@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;700&display=swap");

:root {
  --design-width: 2000;
  --page-scale: 1;
  /* Brand tokens — sync with Transable-app DESIGN.md / brand-tokens.ts */
  --primary: #1a237e;
  --primary-dark: #000051;
  --primary-light: #534bae;
  --secondary: #edc33f;
  --secondary-dark: #c1a630;
  --secondary-light: #fff9c4;
  --paper: #f9f9f9;
  --paper-soft: #fdfcfa;
  --surface: #f5f4f0;
  --ink: #212121;
  --ink-muted: #424242;
  --official-blue: #1a237e;
  --official-yellow: #edc33f;
  --brass: #edc33f;
  --brass-dark: #c1a630;
  --blue: #1a237e;
  --blue-soft: rgba(26, 35, 126, 0.08);
  --graphite: #212121;
  --line: #dfe3ea;
  --glass: rgba(253, 252, 250, 0.86);
  --shadow: 0 24px 60px rgba(26, 35, 126, 0.1);
  --font-ui: "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic", "Meiryo", sans-serif;
  --font-latin: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  /* Fluid type scale — Apple-like display weight */
  --text-hero: clamp(2.6rem, 1.2rem + 5vw, 4.5rem);
  --text-display: clamp(2rem, 1.1rem + 3.2vw, 3.4rem);
  --text-title: clamp(1.35rem, 1rem + 1.1vw, 1.85rem);
  --text-body: clamp(1.05rem, 0.95rem + 0.4vw, 1.2rem);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --reveal-distance: 28px;
  --radius-shot: 22px;
  --content-max: 1120px;
  /* Spacing — generous air */
  --wrap-width: min(var(--content-max), 86%);
  --section-y: clamp(96px, 12vw, 160px);
  --section-y-tight: clamp(72px, 9vw, 120px);
  --section-head-gap: clamp(36px, 4.5vw, 56px);
  --copy-max: 28em;
  --body-leading: 1.55;
  color-scheme: light;
}

.wrap {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-inline: auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr);
  gap: 24px clamp(24px, 3vw, 40px);
  align-items: start;
  margin: 0 0 var(--section-head-gap);
}

.section-head > .eyebrow,
.section-head > .kicker {
  margin: 0;
  padding-top: 0.45em;
}

.section-head > :not(.eyebrow):not(.kicker) {
  min-width: 0;
}

@media (max-width: 800px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 30px;
  }

  .section-head > .eyebrow,
  .section-head > .kicker {
    padding-top: 0;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: clamp(15px, 0.45vw + 14px, 18px);
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  overflow-x: clip;
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
}

body,
body.is-fluid {
  width: 100%;
  min-width: 0;
  max-width: none;
  margin: 0;
  background: #f5f5f7;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: clip;
  overflow-wrap: break-word;
  word-wrap: break-word;
  line-break: strict;
  zoom: 1 !important;
}

h1,
h2,
h3,
h4,
p,
li,
figcaption {
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

body::selection {
  background: rgba(237, 195, 63, 0.25);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 10px max(6%, calc((100% - min(var(--content-max), 86%)) / 2));
  color: var(--ink);
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(251, 251, 253, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: none;
}

.brand,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  justify-self: start;
  width: 160px;
  min-width: 160px;
}

.brand-logo {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.site-nav {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 1.6vw, 28px);
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  position: relative;
  color: rgba(33, 33, 33, 0.72);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--brass);
  transition: right 220ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  right: 0;
}

.site-nav a[aria-current="page"] {
  font-weight: 700;
}

.site-nav a:focus-visible {
  outline: none;
}

#definition,
#challenges,
#role,
#product,
#engine,
#practice,
#research,
#main-content {
  scroll-margin-top: 96px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


.site-footer a {
  transition: color 240ms ease;
}

.site-footer a:hover {
  color: var(--brass-dark);
}

.nav-cta {
  grid-column: 3;
  justify-self: end;
  min-width: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--primary);
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0, 0, 81, 0.28);
  font-size: 0.94rem;
  font-weight: 600;
  white-space: nowrap;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.button.primary.nav-cta {
  min-width: 0;
}

.nav-cta:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
  color: #fff;
  box-shadow: 0 3px 0 rgba(0, 0, 81, 0.34);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: min(92svh, 920px);
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: clamp(110px, 14vh, 160px) 0 clamp(72px, 10vh, 110px);
  background: #fbfbfd;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: #fbfbfd;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(251, 251, 253, 0.98), rgba(251, 251, 253, 0.78) 40%, rgba(251, 251, 253, 0.18) 72%),
    linear-gradient(180deg, rgba(251, 251, 253, 0.15), rgba(251, 251, 253, 0.72));
}

.hero-photo {
  position: absolute;
  top: 70px;
  right: 0;
  bottom: 0;
  z-index: 1;
  width: min(58vw, 920px);
  min-width: 640px;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.2) 10%, rgba(0, 0, 0, 0.92) 28%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.2) 10%, rgba(0, 0, 0, 0.92) 28%, #000 100%);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 44% 50%;
  opacity: 1;
  filter: saturate(1.08) contrast(1.04) brightness(0.99);
  transform: scaleX(-1);
  transform-origin: center;
}

.hero-photo::before,
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-photo::before {
  background:
    linear-gradient(90deg, rgba(249, 249, 249, 0.96), rgba(249, 249, 249, 0.5) 20%, rgba(249, 249, 249, 0.08) 42%, rgba(249, 249, 249, 0) 62%),
    linear-gradient(180deg, rgba(249, 249, 249, 0.12), rgba(249, 249, 249, 0) 34%, rgba(249, 249, 249, 0.08));
}

.hero-photo::after {
  background:
    radial-gradient(circle at 30% 48%, rgba(249, 249, 249, 0.2), transparent 30%),
    linear-gradient(90deg, rgba(253, 252, 250, 0.16), rgba(253, 252, 250, 0.02) 48%, rgba(253, 252, 250, 0));
  mix-blend-mode: normal;
  opacity: 0.42;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(560px, var(--wrap-width));
  max-width: 560px;
  margin-left: max(6%, calc((100% - min(var(--content-max), 88vw)) / 2));
}

.eyebrow,
.step-kicker {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
}

.hero-eyebrow {
  margin-bottom: 22px;
  color: var(--primary);
  max-width: 28em;
  white-space: normal;
  line-height: 1.55;
  letter-spacing: 0.04em;
  overflow-wrap: break-word;
}

.hero-line {
  width: 100%;
  max-width: 12em;
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.hero-line span {
  display: block;
  white-space: normal;
}

.hero-copy {
  max-width: 22em;
  margin: 22px 0 0;
  color: var(--ink-muted);
  font-size: clamp(1.15rem, 1rem + 0.55vw, 1.45rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.section-fade {
  display: none;
}

/* Scroll reveals — Apple-like fade / rise */
.reveal {
  opacity: 0;
  transform: translate3d(0, var(--reveal-distance), 0);
  transition:
    opacity 900ms var(--ease-out-expo),
    transform 900ms var(--ease-out-expo);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal-stagger > .reveal:nth-child(1) { transition-delay: 40ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 110ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 180ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 250ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 390ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.hero-actions {
  position: relative;
  width: fit-content;
  max-width: 100%;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 34px;
  padding: 0;
  border: 0;
  background: transparent;
}

.hero-actions::before {
  display: none;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  max-width: 100%;
  font-weight: 700;
  letter-spacing: 0;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.nav-cta:focus-visible {
  outline: 2px solid rgba(26, 35, 126, 0.45);
  outline-offset: 4px;
}

.button.primary {
  position: relative;
  gap: 10px;
  min-width: 190px;
  min-height: 58px;
  padding-inline: 34px;
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0, 0, 81, 0.28);
  font-size: 1.02rem;
}

.button.primary::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--secondary);
  box-shadow: 0 0 0 3px rgba(237, 195, 63, 0.22);
}

.button.primary:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
  color: #fff;
  box-shadow: 0 3px 0 rgba(0, 0, 81, 0.34);
}

.button.ghost {
  border-color: rgba(26, 35, 126, 0.18);
  background: rgba(255, 255, 255, 0.86);
  color: var(--primary);
}

.hero-action-note {
  width: max-content;
  max-width: none;
  margin: 14px 0 0;
  color: rgba(33, 33, 33, 0.58);
  font-size: 0.94rem;
  white-space: nowrap;
  line-height: 1.7;
}

.story {
  position: relative;
  min-height: 600svh;
}

.story-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  z-index: 6;
}

.story-stage + .step {
  margin-top: -100svh;
}

.stage-shell {
  position: relative;
  width: min(720px, 58vw);
  height: min(760px, 86svh);
}

.cycle-shell {
  width: min(760px, 58vw);
  height: min(760px, 86svh);
}

.cycle-shell.is-understand::before {
  content: "";
  position: absolute;
  inset: -8%;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 50% 52%,
      rgba(255, 236, 150, calc(0.28 * var(--understand-bloom, 0))),
      rgba(237, 195, 63, calc(0.1 * var(--understand-bloom, 0))) 42%,
      transparent 68%
    );
  opacity: var(--understand-bloom, 0);
  transform: scale(calc(0.7 + var(--understand-bloom, 0) * 0.45));
}

.cycle-shell::after {
  display: none;
}

.story-copy-stack {
  display: none;
}

.story-copy-card {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  pointer-events: none;
  align-content: start;
  padding: clamp(8px, 1.4svh, 18px) 0 clamp(8px, 1.4svh, 18px) clamp(28px, 2.4vw, 40px);
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  filter: blur(4px);
  transition:
    opacity 700ms ease,
    transform 700ms ease,
    filter 700ms ease;
}

.story-copy-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--brass), transparent);
}

.story-copy-card.is-active {
  z-index: 2;
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  pointer-events: auto;
}

.story-copy-card h2 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: clamp(1.92rem, 2.05vw, 2.26rem);
  font-weight: 700;
  line-height: 1.42;
}

.story-copy-card > p:not(.step-kicker) {
  margin: 18px 0 0;
  color: var(--ink-muted);
  font-size: clamp(0.98rem, 0.94vw, 1.05rem);
  line-height: 1.78;
  overflow-wrap: anywhere;
}

.feature-carousel {
  position: relative;
  isolation: isolate;
  --feature-gap: 14px;
  --feature-card-width: calc(100% - 104px);
  width: min(100%, 840px);
  min-height: 420px;
  display: flex;
  align-items: stretch;
  gap: var(--feature-gap);
  margin: 18px auto 0;
  padding: 10px 0 38px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 96%, transparent);
}


.feature-carousel.is-single {
  justify-content: center;
  padding-bottom: 10px;
}

.feature-carousel.is-single .feature-slide:first-of-type {
  margin-left: 0;
}

.feature-toggle {
  position: absolute;
  left: 50%;
  bottom: 3px;
  z-index: 30;
  width: 32px;
  height: 32px;
  margin: 0;
  border: 0;
  border-radius: 50%;
  appearance: none;
  -webkit-appearance: none;
  background: radial-gradient(circle, rgba(33, 33, 33, 0.26) 0 4px, transparent 4.5px);
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  transform: translateX(calc(-50% + var(--dot-x)));
  transition: background 220ms ease;
}
.story-copy-card:not(.is-active) .feature-carousel,
.story-copy-card:not(.is-active) .feature-carousel * {
  pointer-events: none;
}

.feature-arrow {
  position: absolute;
  top: 50%;
  z-index: 40;
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(237, 195, 63, 0.5);
  border-radius: 50%;
  background: rgba(253, 252, 250, 0.96);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  transform: translate(var(--arrow-x, 0), -50%);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.feature-arrow--previous {
  --arrow-x: -50%;
  left: 45px;
}

.feature-arrow--next {
  --arrow-x: 50%;
  right: 45px;
}

.feature-arrow:hover {
  border-color: rgba(237, 195, 63, 0.9);
  background: #fffdf8;
  color: var(--brass-dark);
  transform: translate(var(--arrow-x, 0), -50%) scale(1.05);
}

.feature-arrow:focus-visible {
  outline: 2px solid rgba(237, 195, 63, 0.78);
  outline-offset: 3px;
}
.feature-toggle:hover {
  background: radial-gradient(circle, rgba(237, 195, 63, 0.62) 0 4.5px, transparent 5px);
}

.feature-toggle:checked {
  background: radial-gradient(circle, rgba(237, 195, 63, 0.94) 0 5.5px, transparent 6px);
}

.feature-toggle:focus-visible {
  outline: 1px solid rgba(237, 195, 63, 0.7);
  outline-offset: -4px;
}
.feature-slide {
  position: relative;
  z-index: 1;
  flex: 0 0 var(--feature-card-width);
  width: var(--feature-card-width);
  min-width: 0;
  min-height: 370px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px;
  border: 1px solid rgba(237, 195, 63, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(253, 252, 250, 0.97), rgba(255, 255, 255, 0.78)),
    rgba(253, 252, 250, 0.86);
  box-shadow:
    0 18px 44px rgba(33, 33, 33, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
  opacity: 1;
  filter: blur(0);
  visibility: visible;
  transform: translate3d(0, 0, 0);
  transition: transform 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.feature-slide:first-of-type {
  margin-left: 52px;
}

.feature-slide.is-edge-clone {
  pointer-events: none;
  opacity: 0;
}

/* Keep only the centered card opaque so peeks never cover the cycle logo */
.feature-slide:not(.is-feature-active) {
  opacity: 0;
}

.feature-slide.is-feature-active {
  opacity: 1;
}

.feature-toggle:nth-of-type(1):checked ~ .feature-slide {
  transform: translate3d(calc(-100% - 14px), 0, 0);
}

.feature-toggle:nth-of-type(2):checked ~ .feature-slide {
  transform: translate3d(calc(-200% - 28px), 0, 0);
}

.feature-toggle:nth-of-type(3):checked ~ .feature-slide {
  transform: translate3d(calc(-300% - 42px), 0, 0);
}

.feature-slide > span {
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.3;
  text-transform: uppercase;
}

.feature-slide strong {
  color: var(--ink);
  font-size: clamp(1.04rem, 1vw, 1.14rem);
  line-height: 1.5;
}

.feature-slide p {
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(0.94rem, 0.92vw, 1rem);
  line-height: 1.68;
}

.feature-shot {
  position: relative;
  width: min(100%, 780px);
  max-width: 100%;
  min-width: 0;
  margin: 10px auto 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid rgba(26, 35, 126, 0.12);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(249, 249, 249, 0.42));
  box-shadow: 0 12px 32px rgba(26, 35, 126, 0.08);
}

.feature-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.56);
}

.feature-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: top center;
}

.feature-shot img.is-enlargeable {
  cursor: zoom-in;
}

.feature-shot:has(img.is-enlargeable:focus-visible) {
  outline: 2px solid rgba(237, 195, 63, 0.72);
  outline-offset: 4px;
}

.image-lightbox {
  width: min(94vw, 1680px);
  max-width: calc(100vw - 32px);
  height: min(92vh, 1020px);
  max-height: calc(100vh - 32px);
  margin: auto;
  padding: 0;
  box-sizing: border-box;
  border: 1px solid rgba(237, 195, 63, 0.38);
  border-radius: 8px;
  background: rgba(253, 252, 250, 0.98);
  color: var(--ink);
  box-shadow: 0 30px 90px rgba(8, 18, 29, 0.32);
  overflow: hidden;
}

.image-lightbox[open] {
  display: block;
}

.image-lightbox::backdrop {
  background: rgba(8, 18, 29, 0.78);
  backdrop-filter: blur(6px);
}

.image-lightbox-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.74fr) minmax(0, 1.6fr);
  width: 100%;
  height: 100%;
}

.image-lightbox-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 64px 42px 36px;
  border-right: 1px solid rgba(33, 33, 33, 0.12);
  background:
    linear-gradient(180deg, rgba(253, 252, 250, 0.98), rgba(249, 249, 249, 0.92)),
    var(--paper-soft);
}

.image-lightbox-phase,
.image-lightbox-feature,
.image-lightbox-description,
.image-lightbox-image-label,
.image-lightbox-count {
  margin: 0;
}

.image-lightbox-phase {
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  text-transform: uppercase;
}

.image-lightbox-feature {
  margin-top: 28px;
  color: var(--brass-dark);
  font-size: 1rem;
  font-weight: 700;
}

.image-lightbox-title {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: clamp(1.55rem, 2vw, 2.18rem);
  line-height: 1.45;
}

.image-lightbox-description {
  margin-top: 22px;
  color: var(--ink-muted);
  font-size: clamp(1.02rem, 1.14vw, 1.16rem);
  line-height: 1.9;
}

.image-lightbox-image-label {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(33, 33, 33, 0.1);
  color: rgba(33, 33, 33, 0.62);
  font-size: 0.9rem;
  line-height: 1.7;
}

.image-lightbox-count {
  margin-top: auto;
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 0.96rem;
}

.image-lightbox-media {
  position: relative;
  min-width: 0;
  min-height: 0;
  background:
    linear-gradient(90deg, rgba(237, 195, 63, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(33, 33, 33, 0.035) 1px, transparent 1px),
    rgba(250, 247, 241, 0.96);
  background-size: 72px 72px, 72px 72px, auto;
  overflow: hidden;
}

.image-lightbox-image {
  position: absolute;
  inset: 64px 56px;
  display: block;
  width: calc(100% - 112px);
  height: calc(100% - 128px);
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.image-lightbox-image.is-clickable {
  cursor: e-resize;
}

.image-lightbox-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  width: 46px;
  height: 46px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(237, 195, 63, 0.48);
  border-radius: 50%;
  background: rgba(253, 252, 250, 0.96);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.image-lightbox-nav[hidden] {
  display: none;
}

.image-lightbox-nav--previous {
  left: 12px;
}

.image-lightbox-nav--next {
  right: 12px;
}

.image-lightbox-nav--up,
.image-lightbox-nav--down {
  left: 50%;
  right: auto;
  top: auto;
  transform: translateX(-50%);
}

.image-lightbox-nav--up {
  top: 12px;
}

.image-lightbox-nav--down {
  bottom: 12px;
}

.image-lightbox-nav:hover {
  border-color: rgba(237, 195, 63, 0.86);
  background: #fffdf8;
  color: var(--brass-dark);
}

.image-lightbox-nav:focus-visible,
.image-lightbox-image:focus-visible {
  outline: 2px solid rgba(237, 195, 63, 0.72);
  outline-offset: 3px;
}

.image-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 5;
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(33, 33, 33, 0.18);
  border-radius: 50%;
  background: rgba(253, 252, 250, 0.94);
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.image-lightbox-close:focus-visible {
  outline: 2px solid rgba(237, 195, 63, 0.72);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .image-lightbox-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .image-lightbox-copy {
    padding: 54px 24px 22px;
    border-right: 0;
    border-bottom: 1px solid rgba(33, 33, 33, 0.12);
  }

  .image-lightbox-feature {
    margin-top: 14px;
  }

  .image-lightbox-title {
    font-size: 1.38rem;
  }

  .image-lightbox-description {
    margin-top: 12px;
    font-size: 1rem;
    line-height: 1.7;
  }

  .image-lightbox-image-label {
    display: none;
  }

  .image-lightbox-count {
    margin-top: 12px;
  }

  .image-lightbox-image {
    inset: 58px 48px;
    width: calc(100% - 96px);
    height: calc(100% - 116px);
  }
}

.feature-shot.is-question-menu {
  width: min(100%, 600px);
  aspect-ratio: 1283 / 728;
  background: rgba(255, 255, 255, 0.9);
}

.feature-shot.is-question-menu img {
  object-fit: contain;
  object-position: center center;
}

.feature-shot.is-essay-support {
  width: min(100%, 600px);
  height: clamp(300px, 23vw, 340px);
  aspect-ratio: auto;
}

.feature-shot.is-essay-support img {
  object-fit: cover;
  object-position: top left;
  transform: scale(1.05);
  transform-origin: top left;
}

.feature-shot.is-proofreading-focus {
  width: min(100%, 900px);
  aspect-ratio: 30 / 13;
  display: grid;
  grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
  gap: 8px;
  align-items: center;
  padding: 8px;
  background: rgba(255, 255, 255, 0.94);
}

.feature-shot.is-proofreading-focus img {
  object-fit: contain;
  object-position: center center;
  border-radius: 4px;
}


.feature-shot.is-translation-overview {
  width: min(100%, 600px);
  aspect-ratio: 1761 / 1027;
}

.feature-shot.is-translation-overview img {
  object-fit: contain;
  object-position: top center;
}

.feature-shot.is-ai-explanation {
  width: min(100%, 878px);
  aspect-ratio: 1157 / 529;
}

.feature-shot.is-ai-explanation img {
  object-fit: contain;
  object-position: top center;
}

.feature-shot.is-backtranslation-focus {
  width: min(100%, 728px);
  aspect-ratio: 1100 / 257;
  background: rgba(255, 255, 255, 0.94);
}

.feature-shot.is-backtranslation-focus img {
  object-fit: contain;
  object-position: center center;
}

.feature-shot.is-evaluation-overview {
  width: min(100%, 645px);
  height: clamp(300px, 23vw, 350px);
  aspect-ratio: auto;
  background: rgba(255, 255, 255, 0.94);
}

.feature-shot.is-evaluation-overview img {
  object-fit: cover;
  object-position: top center;
  transform: none;
}

.feature-shot.is-revision-focus {
  width: min(100%, 645px);
  height: clamp(250px, 19vw, 300px);
  aspect-ratio: auto;
  background: rgba(255, 255, 255, 0.94);
}

.feature-shot.is-revision-focus img {
  object-fit: cover;
  object-position: top center;
  transform: none;
}

.feature-shot.is-mypage-history {
  width: min(100%, 645px);
  height: clamp(290px, 21vw, 325px);
  aspect-ratio: auto;
  background: rgba(255, 255, 255, 0.94);
}

.feature-shot.is-mypage-history img {
  object-fit: cover;
  object-position: top center;
}

.feature-slide.is-compact {
  align-content: center;
  gap: 10px;
}

.feature-note {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.feature-note span {
  display: grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid rgba(237, 195, 63, 0.22);
  border-radius: 999px;
  background: rgba(253, 252, 250, 0.72);
  color: rgba(33, 33, 33, 0.72);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  line-height: 1.2;
}

@media (prefers-reduced-motion: reduce) {
  .feature-slide {
    transition: none;
  }
}
@media (min-width: 0px) {
  .story .step {
    pointer-events: none;
  }

  /* Left copy + right logo: separate columns so they never overlap */
  .story-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.68fr);
    align-items: start;
    justify-items: stretch;
    column-gap: clamp(48px, 5.5vw, 88px);
    padding: clamp(72px, 10vh, 120px) clamp(20px, 4vw, 64px) clamp(40px, 6vh, 72px);
  }

  .stage-shell,
  .cycle-shell {
    --cycle-stage-size: min(100%, 30vw, calc(100svh - 200px), 440px);
    --cycle-align-shift: 0px;
    position: relative;
    right: auto;
    top: auto;
    width: var(--cycle-stage-size);
    height: var(--cycle-stage-size);
    max-width: 100%;
    margin: var(--cycle-align-shift) auto 0;
    transform: none;
    z-index: 3;
    justify-self: center;
    align-self: start;
    overflow: visible;
  }

  .story-copy-stack {
    position: relative;
    left: auto;
    top: auto;
    z-index: 1;
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: min(860px, calc(100svh - 140px));
    min-width: 0;
    align-self: start;
    pointer-events: auto;
    overflow: hidden;
    contain: paint;
  }

  /* Active card sets stack height so the logo can vertically center with it */
  .story-copy-card {
    inset: auto;
    /* Avoid translateY on swap — it desyncs the right-side logo alignment */
    transform: none;
    filter: none;
    transition: opacity 420ms ease;
  }

  .story-copy-card.is-active {
    position: relative;
    transform: none;
    filter: none;
  }

  .story-copy-card:not(.is-active) {
    position: absolute;
    inset: 0;
    transform: none;
    filter: none;
  }

  .story-copy-card > .step-kicker,
  .story-copy-card > h2,
  .story-copy-card > p:not(.step-kicker) {
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
  }

  .feature-carousel {
    width: 100%;
    max-width: 100%;
  }

  .story .step-copy,
  .story .step.is-active .step-copy {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
    filter: blur(4px);
  }
}

.stage-shell::before,
.stage-shell::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.stage-shell::before {
  inset: 10% 1% 8%;
  z-index: 0;
  border: 1px solid rgba(237, 195, 63, 0.16);
  border-radius: 42px;
  background:
    linear-gradient(120deg, rgba(253, 252, 250, 0.28), rgba(253, 252, 250, 0.06)),
    radial-gradient(circle at 50% 42%, rgba(77, 121, 168, 0.08), transparent 58%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transform: rotate(-1.2deg);
}

.stage-shell::after {
  left: 50%;
  top: 50%;
  z-index: 1;
  width: min(540px, 74vw);
  height: min(540px, 74vw);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(253, 252, 250, 0.62), rgba(253, 252, 250, 0.14) 58%, transparent 70%),
    conic-gradient(from var(--active-angle, 24deg), rgba(237, 195, 63, 0.16), transparent 16%, rgba(77, 121, 168, 0.12), transparent 42%, rgba(237, 195, 63, 0.16));
  opacity: 0.72;
  transform: translate(-50%, -50%) scale(var(--stage-scale, 0.96));
  filter: blur(0.2px);
}

.cycle-orbit {
  position: absolute;
  inset: 6%;
  z-index: 5;
  border: 1px solid rgba(237, 195, 63, 0.28);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(253, 252, 250, 0.72), rgba(253, 252, 250, 0.08) 58%, transparent 72%),
    conic-gradient(from var(--active-angle, 0deg), rgba(237, 195, 63, 0.38), rgba(77, 121, 168, 0.14), rgba(237, 195, 63, 0.12), rgba(77, 121, 168, 0.2), rgba(237, 195, 63, 0.38));
  box-shadow:
    0 32px 84px rgba(33, 33, 33, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.cycle-orbit::before,
.cycle-orbit::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(33, 33, 33, 0.08);
  border-radius: 50%;
}

.cycle-orbit::before {
  inset: 17%;
}

.cycle-orbit::after {
  inset: 32%;
}

.cycle-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  display: grid;
  place-items: center;
  width: min(238px, 42%);
  aspect-ratio: 1;
  padding: 28px;
  border: 1px solid rgba(237, 195, 63, 0.28);
  border-radius: 50%;
  background: rgba(253, 252, 250, 0.82);
  box-shadow:
    0 26px 58px rgba(33, 33, 33, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  text-align: center;
  transform: translate(-50%, -50%) scale(calc(1 + var(--cycle-pulse, 0) * 0.025));
  transition: transform 420ms ease;
}

.cycle-core strong {
  color: var(--ink);
  font-size: 1.34rem;
  line-height: 1.45;
}

.cycle-core small {
  color: var(--ink-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.cycle-node {
  position: absolute;
  z-index: 5;
  display: grid;
  gap: 2px;
  min-width: 168px;
  padding: 16px 18px;
  border: 1px solid rgba(237, 195, 63, 0.2);
  border-radius: 8px;
  background: rgba(253, 252, 250, 0.68);
  box-shadow: 0 20px 48px rgba(33, 33, 33, 0.08);
  text-align: left;
  transform-origin: center;
  transition:
    opacity 420ms ease,
    transform 520ms ease,
    border-color 420ms ease,
    background-color 420ms ease,
    box-shadow 420ms ease;
}

.cycle-node.is-active {
  border-color: rgba(237, 195, 63, 0.56);
  background: rgba(253, 252, 250, 0.92);
  box-shadow: 0 30px 68px rgba(33, 33, 33, 0.16);
  transform: translate(var(--node-x, 0), var(--node-y, 0)) scale(1.06);
}

.cycle-node:not(.is-active) {
  opacity: 0.58;
}

.cycle-index {
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.cycle-node strong {
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 1.18rem;
  line-height: 1.2;
}

.cycle-node small {
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.cycle-node-ask {
  --node-x: -50%;
  --node-y: -4px;
  left: 50%;
  top: -1%;
  transform: translate(-50%, 0);
  text-align: center;
}

.cycle-node-respond {
  --node-x: 4px;
  --node-y: -50%;
  right: -2%;
  top: 50%;
  transform: translate(0, -50%);
}

.cycle-node-reflect {
  --node-x: -50%;
  --node-y: -2px;
  left: 50%;
  bottom: 4%;
  z-index: 8;
  transform: translate(-50%, 0);
  text-align: center;
}

.cycle-node-understand {
  --node-x: -4px;
  --node-y: -50%;
  left: -2%;
  top: 50%;
  transform: translate(0, -50%);
}

.cycle-caption {
  position: absolute;
  left: 50%;
  bottom: clamp(-64px, -7svh, -38px);
  z-index: 7;
  display: grid;
  gap: 4px;
  width: min(560px, 88%);
  padding: 16px 20px;
  border: 1px solid rgba(237, 195, 63, 0.18);
  border-radius: 8px;
  background: rgba(253, 252, 250, 0.74);
  box-shadow: 0 18px 44px rgba(33, 33, 33, 0.08);
  text-align: center;
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.cycle-caption strong {
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.55;
}

.logo-cycle {
  --understand-bloom: 0;
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 6;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%) scale(var(--stage-scale, 0.9));
  transition: transform 520ms ease;
}

.logo-cycle-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  filter:
    drop-shadow(0 16px 28px rgba(33, 33, 33, 0.08));
}

.logo-mark-part {
  fill: var(--secondary);
  opacity: 0.34;
  transition:
    opacity 520ms ease,
    fill 520ms ease,
    filter 520ms ease;
}

.logo-cycle[data-active-phase="0"] .logo-mark-ask,
.logo-cycle[data-active-phase="1"] .logo-mark-respond,
.logo-cycle[data-active-phase="2"] .logo-mark-reflect {
  fill: var(--secondary-light);
  opacity: 1;
  filter:
    drop-shadow(0 0 12px rgba(237, 195, 63, 0.55))
    drop-shadow(0 0 34px rgba(26, 35, 126, 0.22));
}

/* Understand: all petals lit — understanding fills the cycle */
.logo-cycle[data-active-phase="3"] .logo-mark-part {
  fill: var(--secondary-light);
  opacity: 1;
  filter:
    drop-shadow(0 0 14px rgba(255, 226, 99, 0.72))
    drop-shadow(0 0 42px rgba(237, 195, 63, 0.38));
}

.logo-cycle-understand-bloom {
  position: absolute;
  left: 50%;
  top: 52%;
  z-index: 2;
  width: 118%;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(
      circle,
      rgba(255, 248, 214, calc(0.72 * var(--understand-bloom))) 0%,
      rgba(255, 226, 99, calc(0.42 * var(--understand-bloom))) 28%,
      rgba(237, 195, 63, calc(0.18 * var(--understand-bloom))) 52%,
      transparent 72%
    );
  opacity: var(--understand-bloom);
  transform: translate(-50%, -50%) scale(calc(0.42 + var(--understand-bloom) * 0.78));
  filter: blur(calc(2px + var(--understand-bloom) * 10px));
  transition: none;
  will-change: transform, opacity;
}

.logo-cycle-understand-bloom::before,
.logo-cycle-understand-bloom::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.logo-cycle-understand-bloom::before {
  width: 58%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 220, 99, calc(0.55 * var(--understand-bloom)));
  box-shadow:
    0 0 24px rgba(255, 226, 99, calc(0.45 * var(--understand-bloom))),
    inset 0 0 28px rgba(255, 248, 214, calc(0.35 * var(--understand-bloom)));
  opacity: calc(0.35 + var(--understand-bloom) * 0.65);
  transform: translate(-50%, -50%) scale(calc(0.7 + var(--understand-bloom) * 0.55));
}

.logo-cycle-understand-bloom::after {
  width: 86%;
  aspect-ratio: 1;
  border: 1px solid rgba(237, 195, 63, calc(0.28 * var(--understand-bloom)));
  opacity: calc(var(--understand-bloom) * 0.85);
  transform: translate(-50%, -50%) scale(calc(0.55 + var(--understand-bloom) * 0.7));
}

.logo-cycle-understand-focus {
  position: absolute;
  left: 50%;
  top: 52%;
  z-index: 3;
  width: 36%;
  aspect-ratio: 1;
  border: 1px solid rgba(237, 195, 63, 0);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(253, 252, 250, 0.88), rgba(253, 252, 250, 0.22) 58%, transparent 70%),
    radial-gradient(circle, rgba(237, 195, 63, 0), transparent 72%);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.9);
  transition:
    opacity 520ms ease,
    transform 520ms ease,
    border-color 520ms ease,
    background 520ms ease,
    box-shadow 520ms ease;
}

.logo-cycle[data-active-phase="3"] .logo-cycle-understand-focus {
  border-color: rgba(255, 220, 99, 0.55);
  background:
    radial-gradient(circle, rgba(255, 255, 246, 0.98), rgba(255, 247, 203, 0.7) 52%, transparent 72%),
    radial-gradient(circle, rgba(255, 226, 99, 0.55), transparent 74%);
  box-shadow:
    0 0 22px rgba(255, 235, 156, 0.85),
    0 0 64px rgba(237, 195, 63, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
  opacity: 1;
  transform: translate(-50%, -50%) scale(calc(1.05 + var(--understand-bloom) * 0.28));
}

.logo-cycle[data-active-phase="3"] .logo-cycle-center strong {
  color: #6f5621;
  text-shadow: 0 0 18px rgba(255, 226, 99, 0.55);
}

.logo-cycle[data-active-phase="3"] .logo-cycle-center small {
  color: rgba(111, 86, 33, 0.82);
}

@media (prefers-reduced-motion: reduce) {
  .logo-cycle-understand-bloom {
    filter: blur(6px);
    transform: translate(-50%, -50%) scale(1);
  }
}

.logo-cycle::before,
.logo-cycle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.logo-cycle::before {
  width: 72%;
  aspect-ratio: 1;
  border: 1px solid rgba(253, 252, 250, 0.56);
}

.logo-cycle::after {
  width: 38%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(253, 252, 250, 0.94), rgba(253, 252, 250, 0.56) 68%, transparent 70%);
}

.logo-cycle .cycle-node {
  position: absolute;
  left: var(--logo-left);
  top: var(--logo-top);
  z-index: 8;
  min-width: 128px;
  display: grid;
  gap: 2px;
  padding: 12px 16px;
  border: 1px solid rgba(193, 166, 48, 0.24);
  border-radius: 8px;
  background: rgba(253, 252, 250, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.62),
    0 18px 42px rgba(33, 33, 33, 0.09);
  color: var(--ink);
  text-align: center;
  transform: translate(-50%, -50%) scale(1);
  transition:
    opacity 420ms ease,
    transform 520ms ease,
    border-color 420ms ease,
    background-color 420ms ease,
    box-shadow 420ms ease;
}

.logo-cycle .cycle-node.is-active {
  border-color: rgba(255, 220, 99, 0.58);
  background: rgba(255, 252, 243, 0.94);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 0 0 1px rgba(255, 232, 132, 0.26),
    0 0 26px rgba(237, 195, 63, 0.2);
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.logo-cycle .cycle-node:not(.is-active) {
  opacity: 0.62;
}

.logo-cycle .cycle-node strong {
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 1.08rem;
  line-height: 1.2;
}

.logo-cycle .cycle-node small {
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.45;
  white-space: normal;
}

.logo-cycle .cycle-node.is-active strong {
  color: #6f5621;
}

.logo-cycle .cycle-node.is-active small {
  color: rgba(33, 33, 33, 0.74);
}

.logo-cycle-ask {
  --logo-left: 50%;
  --logo-top: 19%;
}

.logo-cycle-respond {
  --logo-left: 75%;
  --logo-top: 67%;
}

.logo-cycle-reflect {
  --logo-left: 25%;
  --logo-top: 67%;
}

.logo-cycle .logo-cycle-center {
  --logo-left: 50%;
  --logo-top: 52%;
  min-width: 0;
  width: min(190px, 34%);
  aspect-ratio: auto;
  align-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.logo-cycle .logo-cycle-center.is-active {
  background: transparent;
  box-shadow: none;
  transform: translate(-50%, -50%) scale(1);
}

.logo-cycle .logo-cycle-center small {
  max-width: 10em;
  margin: 0 auto;
}

.step {
  min-height: 150svh;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(32px, 1fr) minmax(260px, 420px) minmax(280px, 50vw) minmax(260px, 420px) minmax(32px, 1fr);
  align-items: center;
  padding: 110px 0;
}

.step::before {
  content: "";
  position: absolute;
  right: max(4vw, 44px);
  top: 50%;
  z-index: 0;
  width: min(760px, 58vw);
  height: min(560px, 70svh);
  background-image: var(--step-bg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-48%) scale(0.94);
  filter:
    drop-shadow(0 34px 68px rgba(33, 33, 33, 0.13))
    saturate(0.92);
  transition:
    opacity 760ms ease,
    transform 760ms ease;
}

.step::after {
  content: "";
  position: absolute;
  right: max(3vw, 32px);
  top: 50%;
  z-index: 0;
  width: min(620px, 50vw);
  height: min(520px, 64svh);
  border: 1px solid rgba(237, 195, 63, 0.16);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(253, 252, 250, 0.38), rgba(255, 255, 255, 0.1)),
    linear-gradient(180deg, rgba(77, 121, 168, 0.05), rgba(237, 195, 63, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.46);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) rotate(-1.1deg) scale(0.96);
  transition:
    opacity 760ms ease,
    transform 760ms ease;
}

.step[data-step="0"],
.step[data-step="1"],
.step[data-step="2"],
.step[data-step="3"] {
  --step-bg: none;
}

.step::before,
.step::after {
  display: none;
}

.step-visual {
  display: none;
}

.step.is-active::before {
  opacity: 0.18;
  transform: translateY(-50%) scale(1);
}

.step.is-active::after {
  opacity: 0.58;
  transform: translateY(-50%) rotate(-1.1deg) scale(1);
}

.step-copy {
  position: relative;
  z-index: 3;
  padding: 0 0 0 28px;
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  filter: blur(3px);
  transition:
    opacity 640ms ease,
    transform 640ms ease,
    filter 640ms ease;
}

.step-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--brass), transparent);
}

.step-copy.left {
  grid-column: 2;
}

.step-copy.right {
  grid-column: 4;
}

.step-visual {
  position: relative;
  z-index: 3;
  width: min(460px, 100%);
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(237, 195, 63, 0.2);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(253, 252, 250, 0.82), rgba(255, 255, 255, 0.34)),
    rgba(253, 252, 250, 0.54);
  box-shadow:
    0 24px 60px rgba(33, 33, 33, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  opacity: 0;
  transform: translateY(28px) scale(0.96);
  filter: blur(5px);
  pointer-events: none;
  transition:
    opacity 700ms ease,
    transform 700ms ease,
    filter 700ms ease;
}

.step-visual::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(33, 33, 33, 0.08);
  border-radius: 8px;
  pointer-events: none;
}

.step-visual.left {
  grid-column: 2;
  justify-self: end;
}

.step-visual.right {
  grid-column: 4;
  justify-self: start;
}

.step-visual img {
  width: 100%;
  height: auto;
  max-height: 330px;
  object-fit: contain;
  filter: drop-shadow(0 18px 32px rgba(33, 33, 33, 0.13));
}

.step.is-active .step-copy,
.step.is-active .step-visual {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.step h2,
.section-heading h2 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.6;
}

.step p:last-child {
  margin: 22px 0 0;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
}

.challenge-band {
  position: relative;
  z-index: 3;
  background: var(--paper-soft);
  border-top: 1px solid rgba(26, 35, 126, 0.08);
  padding: 0;
  overflow: hidden;
  min-width: 0;
}

.challenge-band > .challenge-prompt,
.challenge-band > .section-heading,
.challenge-band > .challenge-heading,
.challenge-band > .challenge-grid,
.challenge-band > .challenge-support {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-inline: auto;
}

.challenge-band > .challenge-grid {
  margin-top: 36px;
  margin-bottom: var(--section-y);
}

.section-heading,
.section-lead,
.challenge-heading,
.challenge-support,
.product-heading,
.practice-heading,
.research-heading,
.engine-intro {
  min-width: 0;
}

.section-heading {
  max-width: 840px;
}

.section-lead {
  max-width: var(--copy-max);
  margin: 20px 0 0;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: var(--body-leading);
}

.challenge-band .eyebrow {
  font-size: 0.92rem;
}

.challenge-heading {
  max-width: 880px;
}

#role.challenge-heading {
  max-width: 1180px;
}

#role .section-lead {
  max-width: 1180px;
  font-size: 21px;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.challenge-prompt {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(300px, 0.85fr);
  gap: 28px clamp(28px, 5vw, 64px);
  align-items: center;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: var(--section-y) auto var(--section-head-gap);
  padding: clamp(56px, 6.5vw, 88px) clamp(28px, 4vw, 56px);
  border: 0;
  border-radius: 28px;
  background:
    linear-gradient(rgba(253, 252, 250, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(253, 252, 250, 0.045) 1px, transparent 1px),
    linear-gradient(110deg, rgba(26, 35, 126, 0.98), rgba(0, 0, 81, 0.94)),
    var(--primary-dark);
  background-size: 72px 72px, 72px 72px, auto, auto;
  color: var(--paper-soft);
  box-shadow:
    inset 0 -1px 0 rgba(253, 252, 250, 0.12),
    0 24px 60px rgba(26, 35, 126, 0.18);
}

.challenge-prompt::before {
  content: "";
  position: absolute;
  right: 28px;
  bottom: 0;
  left: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(237, 195, 63, 0.5), transparent);
  opacity: 0.74;
}

.challenge-prompt > * {
  position: relative;
  z-index: 1;
}

.challenge-prompt .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -4px;
  color: rgba(237, 195, 63, 0.86);
}

.challenge-question {
  max-width: 860px;
  margin: 0;
  color: var(--paper-soft);
  font-size: clamp(1.9rem, 3vw, 3.35rem);
  font-weight: 700;
  line-height: 1.38;
  overflow-wrap: break-word;
}

.challenge-question-note {
  grid-column: 1;
  max-width: 640px;
  margin: 6px 0 0;
  color: rgba(253, 252, 250, 0.76);
  font-size: 1.08rem;
  line-height: 1.9;
}

.challenge-question-list {
  grid-column: 2;
  grid-row: 2 / span 2;
  align-self: center;
  margin: 0;
  padding: 8px 0 8px 24px;
  border-left: 1px solid rgba(253, 252, 250, 0.16);
  list-style: none;
}

.challenge-question-list li {
  position: relative;
  padding: 18px 0 18px 40px;
  border-top: 1px solid rgba(253, 252, 250, 0.14);
  color: rgba(253, 252, 250, 0.74);
  font-size: 1.16rem;
  line-height: 1.72;
}

.challenge-question-list li:first-child {
  border-top: 0;
}

.challenge-question-list li::before {
  content: "?";
  position: absolute;
  left: 0;
  top: 20px;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(237, 195, 63, 0.54);
  border-radius: 50%;
  color: rgba(237, 195, 63, 0.92);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 20px;
  text-align: center;
}

.challenge-support {
  max-width: 1120px;
  margin-top: 34px;
}

.challenge-support-title {
  margin: 0 0 10px;
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.challenge-support p:last-child {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.16rem;
  line-height: 1.85;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: rgba(33, 33, 33, 0.12);
  border: 1px solid rgba(33, 33, 33, 0.12);
}

.challenge-grid article {
  min-width: 0;
  min-height: 248px;
  padding: 30px 24px;
  background: var(--paper-soft);
  overflow-wrap: break-word;
}

.challenge-number {
  display: block;
  color: var(--brass-dark);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.challenge-grid h3 {
  margin: 34px 0 12px;
  font-size: clamp(0.96rem, 0.9vw, 1.08rem);
  line-height: 1.55;
  white-space: normal;
  overflow-wrap: break-word;
}

@media (max-width: 0px) {
  .challenge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.challenge-grid p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.product-band {
  position: relative;
  z-index: 3;
  padding: var(--section-y) 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(249, 249, 249, 0.98)),
    var(--paper);
  border-top: 1px solid rgba(26, 35, 126, 0.08);
}

.product-band > .product-heading,
.product-band > .product-grid,
.product-band > .product-secondary,
.product-band > .product-gallery,
.product-band > .product-actions {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-inline: auto;
}

.product-heading {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr);
  gap: 24px clamp(24px, 3vw, 40px);
  align-items: start;
  max-width: none;
  margin: 0 auto var(--section-head-gap);
  text-align: left;
}

.product-heading .eyebrow {
  grid-column: 1;
  grid-row: 1 / span 2;
  margin: 0;
  padding-top: 0.45em;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
}

.product-heading h2 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.45;
}

.product-heading .section-lead {
  grid-column: 2;
  grid-row: 2;
  margin: 18px 0 0;
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: var(--body-leading);
}

@media (max-width: 800px) {
  .product-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-heading .eyebrow {
    padding-top: 0;
  }

  .product-heading h2,
  .product-heading .section-lead {
    grid-column: 1;
  }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  max-width: var(--content-max);
  margin: 0 auto;
}

.product-grid article,
.product-card-featured {
  min-width: 0;
  padding: clamp(26px, 3vw, 36px);
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 10px 36px rgba(26, 35, 126, 0.06);
  overflow-wrap: break-word;
}

.product-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.product-grid h3 {
  margin: 0 0 14px;
  font-size: var(--text-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.product-grid p {
  margin: 0;
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: 1.7;
}

.product-secondary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: var(--content-max);
  margin: 28px auto 0;
  padding: 0;
  list-style: none;
}

.product-secondary a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  background: rgba(255, 255, 255, 0.72);
  transition:
    transform 220ms var(--ease-out-expo),
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.product-secondary a:hover {
  transform: translateY(-2px);
  border-color: rgba(26, 35, 126, 0.22);
  box-shadow: 0 10px 28px rgba(26, 35, 126, 0.08);
}

.product-secondary strong {
  color: var(--primary);
  font-size: 0.98rem;
}

.product-secondary span {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.product-gallery {
  --gallery-gap: clamp(12px, 1.6vw, 20px);
  /* Card width tracks viewport; peek next card on wide screens */
  --gallery-card: clamp(260px, 72vw, 560px);
  max-width: none;
  margin: 48px auto 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(26, 35, 126, 0.28) transparent;
}

.product-gallery:focus-visible {
  outline: 2px solid rgba(237, 195, 63, 0.7);
  outline-offset: 6px;
}

.product-gallery-track {
  display: flex;
  gap: var(--gallery-gap);
  width: max-content;
  min-width: 100%;
  padding: 4px 4px 18px;
}

.product-gallery-item {
  flex: 0 0 var(--gallery-card);
  width: var(--gallery-card);
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: var(--radius-shot);
  background: #fff;
  box-shadow: 0 18px 48px rgba(26, 35, 126, 0.1);
  scroll-snap-align: start;
}

.product-gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: top center;
  background: var(--paper-soft);
}

.product-gallery-item figcaption {
  display: grid;
  gap: 4px;
  align-content: center;
  margin: 0;
  padding: 14px 16px;
  min-height: 0;
  border-top: 1px solid rgba(26, 35, 126, 0.08);
  background: var(--paper-soft);
}

.product-gallery-item figcaption strong {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
}

.product-gallery-item figcaption span {
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  max-width: var(--content-max);
  margin: 40px auto 0;
}

.final-cta {
  position: relative;
  z-index: 3;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto var(--section-y);
  padding: clamp(56px, 6vw, 80px) clamp(28px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
  border-radius: 28px;
  background:
    linear-gradient(110deg, rgba(26, 35, 126, 0.98), rgba(0, 0, 81, 0.94)),
    var(--primary-dark);
  color: var(--paper-soft);
  box-shadow: 0 24px 60px rgba(26, 35, 126, 0.16);
}

.final-cta div {
  max-width: 980px;
  min-width: 0;
}

.final-cta .eyebrow {
  color: rgba(237, 195, 63, 0.86);
}

.final-cta h2 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.55;
}

.final-cta p {
  margin: 18px 0 0;
  color: rgba(253, 252, 250, 0.72);
}

.final-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  min-width: 220px;
}

.final-cta .button.primary {
  min-width: 190px;
  border-color: var(--secondary);
  background: var(--secondary);
  color: var(--ink);
  box-shadow: 0 2px 0 rgba(193, 166, 48, 0.35);
}

.final-cta .button.primary:hover {
  border-color: var(--secondary-dark);
  background: var(--secondary-dark);
  color: var(--ink);
}

.final-cta .button.primary::before {
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.18);
}

.final-cta-ghost {
  border-color: rgba(253, 252, 250, 0.28) !important;
  background: rgba(253, 252, 250, 0.08) !important;
  color: var(--paper-soft) !important;
}

.final-cta-ghost:hover {
  background: rgba(253, 252, 250, 0.14) !important;
}

.site-footer {
  display: grid;
  gap: 28px;
  padding: 40px 0 32px;
  background: var(--primary-dark);
  color: rgba(253, 252, 250, 0.78);
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 28px 48px;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-footer-brand-block {
  display: grid;
  gap: 8px;
  max-width: 28rem;
}

.site-footer-brand,
.site-footer p {
  margin: 0;
  font-family: var(--font-latin);
  font-weight: 600;
}

.site-footer-brand {
  color: var(--paper-soft);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.site-footer-brand:hover {
  color: var(--secondary);
}

.site-footer-tagline {
  color: rgba(253, 252, 250, 0.62);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.55;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  max-width: 42rem;
}

.site-footer-nav a {
  color: rgba(253, 252, 250, 0.78);
  font-size: 0.92rem;
  line-height: 1.4;
}

.site-footer-nav a:hover,
.site-footer-nav a[aria-current="page"] {
  color: var(--paper-soft);
}

.site-footer-nav a[aria-current="page"] {
  font-weight: 700;
}

.site-footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 24px;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid rgba(253, 252, 250, 0.14);
  color: rgba(253, 252, 250, 0.55);
  font-size: 0.84rem;
}

.site-footer-meta p {
  font-family: var(--font-ui);
  font-weight: 500;
}

.site-footer-meta a {
  color: rgba(253, 252, 250, 0.62);
}

.site-footer-meta a:hover {
  color: var(--paper-soft);
}

@media (max-width: 0px) {
  .hero-photo {
    right: -110px;
    width: min(680px, 62vw);
    min-width: 520px;
    opacity: 0.72;
  }

  .challenge-prompt {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .challenge-prompt .eyebrow {
    margin-bottom: -12px;
  }

  .challenge-question-note,
  .challenge-question-list {
    grid-column: auto;
    grid-row: auto;
  }

  .challenge-question-list {
    padding: 8px 0 0;
    border-top: 1px solid rgba(253, 252, 250, 0.16);
    border-left: 0;
  }

  .challenge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step {
    grid-template-columns: 7vw minmax(240px, 360px) minmax(240px, 1fr) minmax(240px, 360px) 7vw;
  }
}

@media (max-width: 0px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 14px 20px;
  }

  .site-nav {
    display: none;
  }


  .nav-cta {
    grid-column: 2;
  }

  .hero-photo {
    top: 58px;
    right: -240px;
    width: 620px;
    min-width: 620px;
    opacity: 0.24;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.16) 16%, rgba(0, 0, 0, 0.78) 44%, #000 100%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.16) 16%, rgba(0, 0, 0, 0.78) 44%, #000 100%);
  }

  .challenge-prompt {
    margin-inline: -24px;
    padding: 74px 24px 78px;
  }

  .challenge-question {
    font-size: 1.82rem;
    line-height: 1.45;
  }

  .hero {
    min-height: 90svh;
    padding: 112px 24px 72px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(249, 249, 249, 0.94), rgba(249, 249, 249, 0.78) 58%, rgba(249, 249, 249, 0.98)),
      linear-gradient(90deg, rgba(249, 249, 249, 0.88), rgba(249, 249, 249, 0.5));
  }

  .hero-line {
    font-size: 1.48rem;
  }

  .stage-shell {
    width: 92vw;
    height: 68svh;
    transform: translateY(-10svh);
  }

  .cycle-shell {
    width: 92vw;
    height: 68svh;
  }

  .cycle-orbit {
    inset: 8%;
  }

  .cycle-core {
    width: min(190px, 44%);
    padding: 20px;
  }

  .cycle-core strong {
    font-size: 0.94rem;
  }

  .cycle-core small {
    font-size: 0.74rem;
  }

  .cycle-node {
    min-width: 132px;
    padding: 12px 14px;
  }

  .cycle-node strong {
    font-size: 0.96rem;
  }

  .cycle-node small {
    font-size: 0.76rem;
  }

  .cycle-node-respond {
    right: -3%;
  }

  .cycle-node-understand {
    left: -3%;
  }

  .cycle-caption {
    bottom: clamp(-54px, -6svh, -28px);
    padding: 13px 16px;
  }

  .cycle-caption strong {
    font-size: 0.82rem;
  }

  .logo-cycle {
    width: min(500px, 86vw);
  }

  .logo-cycle .cycle-node {
    min-width: 112px;
    padding: 10px 12px;
  }

  .logo-cycle .cycle-node strong {
    font-size: 0.92rem;
  }

  .logo-cycle .cycle-node small {
    font-size: 0.72rem;
  }

  .step {
    min-height: 100svh;
    grid-template-columns: 24px 1fr 24px;
    align-items: end;
    align-content: end;
    gap: 18px;
    padding: 46svh 0 56px;
  }

  .step::before {
    right: auto;
    left: 50%;
    top: 32%;
    width: min(560px, 130vw);
    height: 42svh;
    transform: translate(-50%, -50%) scale(0.94);
  }

  .step::after {
    right: auto;
    left: 50%;
    top: 32%;
    width: min(420px, 92vw);
    height: 34svh;
    transform: translate(-50%, -50%) rotate(-1deg) scale(0.96);
  }

  .step.is-active::before {
    opacity: 0.12;
    transform: translate(-50%, -50%) scale(1);
  }

  .step.is-active::after {
    opacity: 0.34;
    transform: translate(-50%, -50%) rotate(-1deg) scale(1);
  }

  .step-copy.left,
  .step-copy.right,
  .step-visual.left,
  .step-visual.right {
    grid-column: 2;
  }

  .step-visual {
    width: min(330px, 100%);
    justify-self: stretch;
    padding: 12px;
  }

  .step-visual.left,
  .step-visual.right {
    justify-self: stretch;
  }

  .step-visual img {
    max-height: 150px;
  }

  .step h2,
  .section-heading h2 {
    font-size: 1.55rem;
  }

  .challenge-band {
    padding: 0 24px 82px;
  }

  .final-cta {
    padding: 82px 24px;
  }

  .challenge-grid,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .challenge-grid article {
    min-height: 198px;
  }


  .final-cta {
    gap: 28px;
  }
}

@media (max-width: 0px) {
  body {
    font-size: 15px;
  }

  .site-header {
    display: flex;
    justify-content: flex-start;
  }

  .brand {
    width: 136px;
    min-width: 136px;
  }

  .nav-cta {
    display: none;
  }

  .hero-content {
    width: min(326px, calc(100vw - 56px));
    max-width: min(326px, calc(100vw - 56px));
  }

  .hero-line {
    font-size: 1.24rem;
    word-break: normal;
  }

  .hero-line span {
    display: block;
  }

  .hero-copy {
    line-break: strict;
    overflow-wrap: normal;
    word-break: normal;
  }

  .hero-photo {
    right: -330px;
    width: 560px;
    min-width: 560px;
    opacity: 0.16;
  }

  .hero-actions {
    width: 100%;
    border-radius: 28px;
  }

  .hero-actions::before {
    display: none;
  }

  .button {
    width: 100%;
  }

  .challenge-prompt {
    margin-inline: -24px;
    padding: 64px 22px 68px;
  }

  .challenge-question {
    font-size: 1.58rem;
  }

  .challenge-question-list li {
    padding-left: 34px;
    font-size: 0.94rem;
  }

  .cycle-shell {
    height: 64svh;
  }

  .cycle-node {
    min-width: 112px;
    padding: 10px 12px;
  }

  .cycle-node strong {
    font-size: 0.86rem;
  }

  .cycle-node small {
    font-size: 0.68rem;
  }

  .cycle-core {
    width: 154px;
    padding: 16px;
  }

  .cycle-caption {
    width: min(320px, 88vw);
  }

  .logo-cycle {
    width: min(350px, 88vw);
  }

  .logo-cycle .cycle-node {
    min-width: 92px;
    padding: 8px 9px;
  }

  .logo-cycle .cycle-node strong {
    font-size: 0.8rem;
  }

  .logo-cycle .cycle-node small {
    font-size: 0.64rem;
  }

  .challenge-question {
    font-size: 1.58rem;
  }

  .challenge-question-note {
    margin-top: -8px;
    font-size: 0.95rem;
  }

  .challenge-question-list li {
    padding-left: 32px;
    font-size: 1.02rem;
  }

  .challenge-grid article {
    padding: 26px 22px;
  }

  .challenge-grid h3 {
    margin-top: 26px;
  }

  .final-cta h2 {
    font-size: 1.52rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}
/* Keep the 2000px desktop composition and scale it as one canvas. */
.site-nav {
  gap: clamp(14px, 1.6vw, 28px);
}

.hero {
  min-height: 792px;
  padding: 132px 144px 84px;
}

.hero-photo {
  width: 920px;
}

.story {
  min-height: 6750px;
}

.story-stage {
  height: 100svh;
  min-height: 720px;
}

.story-stage + .step {
  margin-top: -100svh;
}

.stage-shell,
.cycle-shell {
  --cycle-stage-size: min(460px, 30vw, calc(100svh - 220px));
  width: var(--cycle-stage-size);
  height: var(--cycle-stage-size);
}

.story-copy-stack {
  height: auto;
  max-height: min(820px, calc(100svh - 140px));
}

.story-copy-card {
  padding: 16px 0 16px 40px;
}

.story-copy-card h2 {
  font-size: clamp(1.7rem, 1.2rem + 1.2vw, 2.1rem);
  line-height: 1.3;
}

.story-copy-card > p:not(.step-kicker) {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.story-copy-card > .step-kicker {
  margin-bottom: 10px;
}

.feature-slide strong {
  font-size: 1.12rem;
}

.feature-slide p {
  font-size: 1rem;
}

.feature-carousel {
  --feature-card-width: calc(100% - 72px);
  width: 100%;
  height: min(480px, calc(100svh - 340px));
  min-height: 360px;
  margin-top: 18px;
  padding-bottom: 38px;
}

.feature-carousel.is-single {
  height: min(460px, calc(100svh - 340px));
  min-height: 340px;
  padding-bottom: 38px;
}

.feature-slide {
  height: calc(100% - 28px);
  min-height: 320px;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  align-content: stretch;
  overflow: hidden;
  padding: 20px 20px 48px;
}

.feature-carousel.is-single .feature-slide {
  height: calc(100% - 12px);
  min-height: 300px;
}

.feature-slide::after {
  content: "画像をクリックすると拡大表示できます。";
  position: absolute;
  right: 20px;
  bottom: 9px;
  left: 20px;
  z-index: 4;
  color: rgba(33, 33, 33, 0.62);
  font-size: clamp(0.78rem, 0.7rem + 0.4vw, 0.95rem);
  line-height: 1.35;
  opacity: 0;
  text-align: center;
  white-space: normal;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.feature-slide.is-feature-active::after {
  opacity: 1;
  transition-delay: 420ms;
}

@media (prefers-reduced-motion: reduce) {
  .feature-slide::after,
  .feature-slide.is-feature-active::after {
    transition: none;
  }
}

.feature-slide > span {
  font-size: 18px;
}

.feature-slide strong {
  font-size: 21px;
}

.feature-slide p {
  font-size: 19px;
}

.feature-slide .feature-shot {
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  align-self: stretch;
  max-width: 780px;
  margin-top: 6px;
}

.feature-slide .feature-shot img {
  object-fit: cover;
  object-position: top center;
}

.eyebrow,
.step-kicker,
.hero-action-note,
.site-nav a,
.logo-cycle .cycle-node small {
  font-size: 18px;
}

.logo-cycle {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.cycle-caption {
  bottom: -63px;
}
.story .step {
  min-height: 1688px;
}

.step {
  grid-template-columns: minmax(32px, 1fr) minmax(260px, 420px) 800px minmax(260px, 420px) minmax(32px, 1fr);
}

.step-visual.right {
  right: 64px;
  width: 760px;
  height: 560px;
}

.step-visual.left {
  right: 48px;
  width: 620px;
  height: 520px;
}

.challenge-band {
  padding: 0 144px 106px;
}

.challenge-prompt {
  gap: 20px 86px;
  margin: 0 -144px 78px;
  padding: 92px 144px 98px;
}

.challenge-prompt::before {
  right: 144px;
}

.challenge-prompt::after {
  left: 144px;
}

.challenge-question {
  font-size: 3rem;
}

.challenge-grid h3 {
  font-size: 1.06rem;
}

.final-cta {
  padding: 78px 144px;
}

.site-footer {
  padding: 36px 144px;
}

/* Responsive tablet and mobile layout. Desktop keeps the 2000px canvas. */
@media (max-width: 1366px) {
  html {
    /* Fluid root: scales continuously with viewport width */
    font-size: clamp(15px, 0.55vw + 13.4px, 18px);
    scroll-padding-top: 96px;
  }

  body {
    width: 100%;
    min-width: 0;
    font-size: 1rem;
    zoom: 1 !important;
    background-size: 72px 72px, 72px 72px, auto;
  }

  .hero-line {
    width: min(760px, 100%);
    max-width: 100%;
    font-size: clamp(1.55rem, 1.1rem + 2.4vw, 2.45rem);
    letter-spacing: -0.03em;
    line-height: 1.28;
  }

  .hero-copy {
    font-size: clamp(0.98rem, 0.9rem + 0.35vw, 1.12rem);
  }

  .challenge-question,
  .product-heading h2,
  #challenges-title,
  .final-cta h2 {
    font-size: var(--text-display);
    letter-spacing: -0.02em;
    line-height: 1.3;
  }

  .product-grid h3,
  .challenge-grid h3 {
    font-size: var(--text-title);
  }

  .product-grid p,
  .challenge-grid p,
  .section-lead {
    font-size: var(--text-body);
  }

  .site-header {
    left: 0;
    right: 0;
    width: 100%;
    grid-template-columns: 150px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 14px 28px;
  }

  .brand {
    width: 150px;
    min-width: 150px;
  }

  .site-nav {
    gap: 18px;
  }

  .site-nav a {
    font-size: 14px;
  }

  .nav-cta {
    min-height: 44px;
    padding-inline: 20px;
    font-size: 15px;
  }

  #definition,
  #challenges,
  #role,
  #product,
  #engine,
  #practice,
  #research,
  #main-content {
    scroll-margin-top: 92px;
  }

  .hero {
    min-height: 720px;
    padding: 122px 64px 74px;
  }

  .hero-content {
    width: min(56vw, 620px);
    max-width: 620px;
  }

  .hero-photo {
    top: 72px;
    width: 54vw;
    min-width: 0;
  }

  .hero-brand-lockup {
    width: min(520px, 100%);
  }

  .hero-line {
    width: min(680px, 100%);
    max-width: 100%;
    font-size: clamp(1.55rem, 1.05rem + 2.2vw, 2.2rem);
  }

  .hero-copy {
    max-width: 590px;
    font-size: clamp(0.98rem, 0.9rem + 0.3vw, 1.08rem);
  }

  .hero-action-note {
    max-width: 100%;
    font-size: clamp(0.84rem, 0.78rem + 0.25vw, 0.95rem);
  }

  .challenge-band {
    padding: 0 64px 88px;
  }

  .challenge-prompt {
    gap: 22px 54px;
    margin: 0 -64px 68px;
    padding: 74px 64px 80px;
  }

  .challenge-prompt::before {
    right: 64px;
    left: 64px;
  }

  .challenge-question {
    font-size: clamp(1.7rem, 1.1rem + 2.4vw, 2.4rem);
  }

  .challenge-question-note {
    font-size: var(--text-body);
  }

  .challenge-question-list li {
    font-size: var(--text-body);
  }

  #role.challenge-heading,
  #role .section-lead {
    max-width: 100%;
  }

  #role .section-lead {
    font-size: 18px;
  }

  .challenge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .challenge-grid article {
    min-height: 220px;
  }

  .challenge-grid h3 {
    white-space: normal;
  }

  .product-band {
    padding: 64px 48px 72px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-gallery {
    --gallery-card: clamp(280px, 70vw, 480px);
  }

  .final-cta {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .final-cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .story {
    min-height: 0;
    padding: 76px 64px 104px;
  }

  .story-stage {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    grid-template-columns: none;
    column-gap: 0;
    padding: 0;
    overflow: visible;
  }

  .story-stage + .step {
    margin-top: 0;
  }

  .story .step {
    display: none;
    min-height: 0;
  }

  .stage-shell,
  .cycle-shell {
    position: relative;
    top: auto;
    right: auto;
    order: -1;
    width: min(520px, 100%);
    height: auto;
    aspect-ratio: 1;
    margin: 0 auto 84px;
    transform: none;
    --cycle-stage-size: min(520px, 100%);
  }

  .logo-cycle {
    width: min(500px, 84%);
    height: auto;
  }

  .story-copy-stack {
    position: relative;
    left: auto;
    top: auto;
    width: min(100%, 920px);
    height: auto;
    margin: 0 auto;
    display: grid;
    gap: 76px;
  }

  .story-copy-card,
  .story-copy-card.is-active {
    position: relative;
    inset: auto;
    width: 100%;
    min-height: 0;
    padding: 12px 0 12px 30px;
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
    pointer-events: auto;
  }

  .story-copy-card > .step-kicker,
  .story-copy-card > h2,
  .story-copy-card > p:not(.step-kicker) {
    width: 100%;
    max-width: 840px;
    margin-inline: auto;
  }

  .story-copy-card:not(.is-active) .feature-carousel,
  .story-copy-card:not(.is-active) .feature-carousel * {
    pointer-events: auto;
  }

  .feature-carousel {
    width: min(100%, 840px);
    -webkit-mask-image: none;
    mask-image: none;
  }

  .feature-toggle:nth-of-type(1):checked ~ .feature-slide {
    transform: translateX(calc(-100% - 14px));
  }

  .feature-toggle:nth-of-type(2):checked ~ .feature-slide {
    transform: translateX(calc(-200% - 28px));
  }

  .feature-toggle:nth-of-type(3):checked ~ .feature-slide {
    transform: translateX(calc(-300% - 42px));
  }

  .feature-shot,
  .feature-shot img {
    visibility: visible;
    opacity: 1;
  }

  .final-cta {
    padding: 68px 64px;
  }

  .final-cta p:last-child {
    white-space: normal;
  }

  .site-footer {
    padding: 36px 48px 28px;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 132px;
  }

  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand cta"
      "nav nav";
    gap: 8px 18px;
    padding: 12px 20px 0;
  }

  .brand {
    grid-area: brand;
  }

  .site-nav {
    grid-area: nav;
    width: calc(100% + 40px);
    margin-inline: -20px;
    padding: 9px 20px 12px;
    justify-self: stretch;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-cta {
    grid-area: cta;
  }

  #definition,
  #challenges,
  #role,
  #product,
  #engine,
  #practice,
  #research,
  #main-content {
    scroll-margin-top: 132px;
  }

  .hero {
    padding-top: 150px;
  }

  .challenge-prompt {
    grid-template-columns: 1fr;
  }

  .challenge-prompt .eyebrow,
  .challenge-question-note,
  .challenge-question-list {
    grid-column: auto;
    grid-row: auto;
  }

  .challenge-question-list {
    padding: 10px 0 0;
    border-top: 1px solid rgba(253, 252, 250, 0.16);
    border-left: 0;
  }

  .product-band {
    padding: 56px 20px 64px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .final-cta {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer-inner {
    flex-direction: column;
    gap: 22px;
  }

  .site-footer-nav {
    max-width: none;
    gap: 10px 18px;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 16px;
    scroll-padding-top: 128px;
  }

  body {
    font-size: 16px;
    background-size: 48px 48px, 48px 48px, auto;
  }

  .site-header {
    padding-inline: 16px;
  }

  .brand {
    width: 134px;
    min-width: 134px;
  }

  .nav-cta {
    min-height: 40px;
    padding-inline: 14px;
    font-size: 13px;
  }

  .site-nav {
    width: calc(100% + 32px);
    margin-inline: -16px;
    padding-inline: 16px;
    gap: 20px;
  }

  .site-nav a {
    font-size: 13px;
  }

  #definition,
  #challenges,
  #role,
  #product,
  #engine,
  #practice,
  #research,
  #main-content {
    scroll-margin-top: 128px;
  }

  .hero {
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 148px 20px 0;
  }

  .hero-content {
    order: 1;
    width: 100%;
    max-width: none;
  }

  .hero-photo {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    order: 2;
    width: calc(100% + 40px);
    min-width: 0;
    height: 310px;
    margin: 38px -20px 0;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 78%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 0%, #000 78%, transparent 100%);
  }

  .hero-photo::before {
    background: linear-gradient(180deg, rgba(249, 249, 249, 0.08), transparent 45%, rgba(249, 249, 249, 0.42));
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(249, 249, 249, 0.96), rgba(249, 249, 249, 0.8) 62%, rgba(249, 249, 249, 0.25)),
      linear-gradient(90deg, rgba(249, 249, 249, 0.82), rgba(249, 249, 249, 0.46));
  }

  .hero-brand-lockup {
    width: min(350px, 92%);
    margin-bottom: 22px;
  }

  .hero-line {
    width: 100%;
    margin-top: 22px;
    font-size: clamp(1.4rem, 0.85rem + 2.8vw, 1.85rem);
    letter-spacing: -0.03em;
    line-height: 1.35;
  }

  .hero-line span {
    white-space: normal;
  }

  .hero-copy {
    margin-top: 20px;
    font-size: clamp(0.95rem, 0.88rem + 0.4vw, 1.05rem);
    line-height: 1.85;
  }

  .hero-actions {
    width: 100%;
    margin-top: 28px;
  }

  .hero-actions::before {
    display: none;
  }

  .hero-actions .button {
    flex: 1 1 180px;
  }

  .hero-action-note {
    width: auto;
    white-space: normal;
    font-size: clamp(0.82rem, 0.76rem + 0.3vw, 0.92rem);
  }

  .challenge-band {
    padding: 0 20px 72px;
  }

  .challenge-prompt {
    gap: 24px;
    margin: 0 -20px 56px;
    padding: 58px 20px 64px;
    background-size: 48px 48px, 48px 48px, auto, auto;
  }

  .challenge-prompt::before {
    right: 20px;
    left: 20px;
  }

  .challenge-prompt .eyebrow {
    margin-bottom: -6px;
  }

  .challenge-question {
    max-width: 100%;
    font-size: clamp(1.45rem, 0.9rem + 2.8vw, 1.95rem);
    line-height: 1.35;
    letter-spacing: -0.02em;
  }

  .challenge-question-note {
    margin-top: 0;
    font-size: 1rem;
    line-height: 1.85;
  }

  .challenge-question-list li {
    padding: 16px 0 16px 34px;
    font-size: 1rem;
  }

  .challenge-question-list li::before {
    top: 18px;
  }

  .section-heading h2,
  .final-cta h2 {
    font-size: 1.75rem;
    line-height: 1.55;
  }

  #role .section-lead {
    font-size: 17px;
    line-height: 1.85;
  }

  .challenge-support {
    margin-top: 30px;
  }

  .challenge-support p:last-child {
    font-size: 1.05rem;
  }

  .challenge-grid {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }

  .challenge-grid article {
    min-height: 0;
    padding: 26px 22px 28px;
  }

  .challenge-grid h3 {
    margin: 24px 0 10px;
    font-size: 1.08rem;
  }

  .challenge-grid p {
    font-size: 1rem;
  }

  .story {
    padding: 62px 20px 82px;
  }

  .stage-shell,
  .cycle-shell {
    width: min(500px, 100%);
    margin-bottom: 64px;
  }

  .stage-shell::before {
    border-radius: 28px;
  }

  .logo-cycle {
    width: min(500px, 88%);
  }

  .logo-cycle .cycle-node {
    min-width: 96px;
    padding: 8px 10px;
  }

  .logo-cycle .cycle-node strong {
    font-size: 16px;
  }

  .logo-cycle .cycle-node small {
    font-size: 13px;
    line-height: 1.55;
  }

  .story-copy-stack {
    gap: 66px;
  }

  .story-copy-card,
  .story-copy-card.is-active {
    padding: 8px 0 8px 18px;
  }

  .story-copy-card::before {
    top: 6px;
    bottom: 6px;
  }

  .story-copy-card h2 {
    font-size: 1.75rem;
    line-height: 1.45;
  }

  .story-copy-card > p:not(.step-kicker) {
    margin-top: 14px;
    font-size: 17px;
    line-height: 1.8;
  }

  .story-copy-card > .step-kicker {
    margin-bottom: 8px;
    font-size: 14px;
  }

  .feature-carousel {
    --feature-card-width: calc(100% - 40px);
    width: 100%;
    height: 570px;
    min-height: 570px;
    margin-top: 20px;
  }

  .feature-carousel.is-single {
    height: 548px;
    min-height: 548px;
  }

  .feature-slide {
    height: 520px;
    min-height: 520px;
    padding: 16px 16px 46px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 500px;
    min-height: 500px;
  }

  .feature-slide:first-of-type {
    margin-left: 20px;
  }

  .feature-slide > span {
    font-size: 14px;
  }

  .feature-slide strong {
    font-size: 18px;
    line-height: 1.45;
  }

  .feature-slide p {
    font-size: 16px;
    line-height: 1.65;
  }

  .feature-slide::after {
    right: 14px;
    bottom: 10px;
    left: 14px;
    font-size: 13px;
  }

  .feature-slide .feature-shot {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    margin-top: 8px;
  }

  .feature-arrow {
    width: 46px;
    height: 46px;
    font-size: 16px;
  }

  .feature-arrow--previous {
    left: 18px;
  }

  .feature-arrow--next {
    right: 18px;
  }

  .feature-toggle {
    width: 36px;
    height: 36px;
  }

  .final-cta {
    padding: 58px 20px 64px;
  }

  .final-cta p:last-child {
    font-size: 1rem;
    line-height: 1.8;
  }

  .final-cta .button.primary {
    width: 100%;
  }

  .site-footer {
    padding: 32px 20px 24px;
  }

  .site-footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .image-lightbox {
    width: calc(100vw - 16px);
    max-width: calc(100vw - 16px);
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
  }

  .image-lightbox-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .image-lightbox-copy {
    max-height: 42dvh;
    padding: 50px 18px 16px;
    overflow-y: auto;
  }

  .image-lightbox-phase {
    font-size: 13px;
  }

  .image-lightbox-feature {
    margin-top: 10px;
    font-size: 14px;
  }

  .image-lightbox-title {
    margin-top: 6px;
    font-size: 20px;
  }

  .image-lightbox-description {
    margin-top: 10px;
    font-size: 15px;
    line-height: 1.7;
  }

  .image-lightbox-count {
    margin-top: 10px;
    font-size: 13px;
  }

  .image-lightbox-image {
    inset: 50px 42px;
    width: calc(100% - 84px);
    height: calc(100% - 100px);
  }

  .image-lightbox-nav {
    width: 40px;
    height: 40px;
  }

  .image-lightbox-nav--previous {
    left: 6px;
  }

  .image-lightbox-nav--next {
    right: 6px;
  }

  .image-lightbox-nav--up {
    top: 6px;
  }

  .image-lightbox-nav--down {
    bottom: 6px;
  }

  .image-lightbox-close {
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .brand {
    width: 122px;
    min-width: 122px;
  }

  .button.primary.nav-cta {
    min-width: 0;
    padding-inline: 12px;
    font-size: 12px;
  }

  .hero {
    padding-top: 142px;
  }

  .hero-brand-lockup {
    width: min(310px, 92%);
  }

  .hero-line {
    font-size: clamp(1.28rem, 0.8rem + 3.4vw, 1.55rem);
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .challenge-question {
    font-size: clamp(1.35rem, 0.85rem + 3vw, 1.7rem);
  }

  .stage-shell,
  .cycle-shell {
    width: min(360px, 100%);
  }

  .logo-cycle .cycle-node {
    min-width: 84px;
    padding: 7px 8px;
  }

  .logo-cycle .cycle-node strong {
    font-size: 14px;
  }

  .logo-cycle .cycle-node small {
    font-size: 12px;
  }

  .logo-cycle .logo-cycle-center {
    width: min(124px, 40%);
  }

  .story-copy-card h2 {
    font-size: 1.55rem;
  }

  .feature-carousel {
    height: 590px;
    min-height: 590px;
  }

  .feature-carousel.is-single {
    height: 566px;
    min-height: 566px;
  }

  .feature-slide {
    height: 540px;
    min-height: 540px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 518px;
    min-height: 518px;
  }

  .feature-slide::after {
    font-size: 12px;
  }
}

@media (hover: none) {
  .button:hover,
  .nav-cta:hover,
  .feature-arrow:hover {
    transform: none;
  }
}
/* Scroll-linked learning cycle for responsive screens with enough height. */
@media (max-width: 1366px) and (min-height: 700px) {
  .story {
    min-height: 0;
    padding: 0;
  }

  .story-stage {
    position: sticky;
    top: 0;
    height: 100svh;
    min-height: 0;
    display: block;
    overflow: hidden;
  }

  .story-stage + .step {
    margin-top: -100svh;
  }

  .story .step {
    display: grid;
    min-height: 135svh;
    padding: 0;
    pointer-events: none;
  }

  .stage-shell,
  .cycle-shell {
    display: none;
  }

  .story-copy-stack {
    position: absolute;
    left: 50%;
    top: 92px;
    width: min(calc(100% - 64px), 920px);
    height: calc(100svh - 100px);
    margin: 0;
    display: block;
    transform: translateX(-50%);
  }

  .story-copy-card,
  .story-copy-card.is-active {
    position: absolute;
    inset: 0;
    min-height: 0;
    padding: 8px 0 8px 30px;
  }

  .story-copy-card {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(24px) scale(0.985);
    transition:
      opacity 620ms ease,
      transform 620ms ease,
      filter 620ms ease;
    pointer-events: none;
  }

  .story-copy-card.is-active {
    opacity: 1;
    filter: none;
    transform: none;
    pointer-events: auto;
  }

  .story-copy-card:not(.is-active) .feature-carousel,
  .story-copy-card:not(.is-active) .feature-carousel * {
    pointer-events: none;
  }

  .feature-carousel {
    height: 430px;
    min-height: 430px;
  }

  .feature-carousel.is-single {
    height: 410px;
    min-height: 410px;
  }

  .feature-slide {
    height: 380px;
    min-height: 380px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 380px;
    min-height: 380px;
  }
}

@media (max-width: 900px) and (min-height: 700px) {
  .story-copy-stack {
    top: 132px;
    width: min(calc(100% - 40px), 840px);
    height: calc(100svh - 140px);
  }

  .story-copy-card,
  .story-copy-card.is-active {
    padding-left: 20px;
  }
}

@media (max-width: 720px) and (min-height: 700px) {
  .story .step {
    min-height: 142svh;
  }

  .story-copy-stack {
    top: 126px;
    width: calc(100% - 32px);
    height: calc(100svh - 132px);
  }

  .story-copy-card,
  .story-copy-card.is-active {
    padding: 4px 0 4px 16px;
  }

  .story-copy-card h2 {
    font-size: 1.55rem;
    line-height: 1.38;
  }

  .story-copy-card > p:not(.step-kicker) {
    margin-top: 12px;
    font-size: 16px;
    line-height: 1.65;
  }

  .feature-carousel {
    height: 400px;
    min-height: 400px;
    margin-top: 16px;
  }

  .feature-carousel.is-single {
    height: 380px;
    min-height: 380px;
  }

  .feature-slide {
    height: 350px;
    min-height: 350px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 350px;
    min-height: 350px;
  }
}

@media (max-width: 480px) and (min-height: 700px) {
  .feature-carousel {
    height: 390px;
    min-height: 390px;
  }

  .feature-carousel.is-single {
    height: 370px;
    min-height: 370px;
  }

  .feature-slide {
    height: 340px;
    min-height: 340px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 340px;
    min-height: 340px;
  }
}

@media (max-width: 360px) and (min-height: 700px) {
  .feature-carousel {
    height: 380px;
    min-height: 380px;
  }

  .feature-carousel.is-single {
    height: 360px;
    min-height: 360px;
  }

  .feature-slide {
    height: 330px;
    min-height: 330px;
  }

  .feature-carousel.is-single .feature-slide {
    height: 330px;
    min-height: 330px;
  }
}

/* Short screens keep every card in the document flow and emphasize the active one. */
@media (max-width: 1366px) and (max-height: 699px) {
  .story-copy-card:not(.is-active) {
    opacity: 0.38;
    filter: saturate(0.72);
    transform: translateY(16px);
  }

  .story-copy-card.is-active {
    opacity: 1;
    filter: none;
    transform: none;
  }
}
/* Short tablet screens retain the scroll-linked sequence in a compact split view. */
@media (min-width: 600px) and (max-width: 1366px) and (min-height: 520px) and (max-height: 699px) {
  .story {
    min-height: 0;
    padding: 0;
  }

  .story-stage {
    position: sticky;
    top: 0;
    height: 100svh;
    min-height: 0;
    display: block;
    overflow: hidden;
  }

  .story-stage + .step {
    margin-top: -100svh;
  }

  .story .step {
    display: grid;
    min-height: 150svh;
    padding: 0;
    pointer-events: none;
  }

  .stage-shell,
  .cycle-shell {
    display: none;
  }

  .story-copy-stack {
    position: absolute;
    left: 50%;
    top: 92px;
    width: min(calc(100% - 48px), 1180px);
    height: calc(100svh - 100px);
    margin: 0;
    display: block;
    transform: translateX(-50%);
  }

  .story-copy-card,
  .story-copy-card.is-active {
    position: absolute;
    inset: 0;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.5fr);
    grid-template-rows: auto auto 1fr;
    gap: 8px 28px;
    padding: 6px 0 6px 24px;
  }

  .story-copy-card:not(.is-active) {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(20px) scale(0.985);
    transition:
      opacity 620ms ease,
      transform 620ms ease,
      filter 620ms ease;
    pointer-events: none;
  }

  .story-copy-card.is-active {
    opacity: 1;
    filter: none;
    transform: none;
    pointer-events: auto;
  }

  .story-copy-card > .step-kicker,
  .story-copy-card > h2,
  .story-copy-card > p:not(.step-kicker) {
    grid-column: 1;
    width: 100%;
    margin-inline: 0;
  }

  .story-copy-card > .step-kicker {
    grid-row: 1;
    align-self: end;
  }

  .story-copy-card > h2 {
    grid-row: 2;
    font-size: 1.65rem;
    line-height: 1.4;
  }

  .story-copy-card > p:not(.step-kicker) {
    grid-row: 3;
    margin-top: 6px;
    font-size: 15px;
    line-height: 1.68;
  }

  .story-copy-card .feature-carousel {
    grid-column: 2;
    grid-row: 1 / 4;
    align-self: start;
    width: 100%;
    height: min(430px, calc(100svh - 116px));
    min-height: 0;
    margin-top: 0;
  }

  .story-copy-card .feature-carousel.is-single {
    height: min(410px, calc(100svh - 116px));
    min-height: 0;
  }

  .story-copy-card .feature-slide,
  .story-copy-card .feature-carousel.is-single .feature-slide {
    height: min(380px, calc(100svh - 166px));
    min-height: 0;
  }

  .story-copy-card:not(.is-active) .feature-carousel,
  .story-copy-card:not(.is-active) .feature-carousel * {
    pointer-events: none;
  }
}

@media (min-width: 600px) and (max-width: 900px) and (min-height: 520px) and (max-height: 699px) {
  .story-copy-stack {
    top: 132px;
    width: calc(100% - 36px);
    height: calc(100svh - 140px);
  }

  .story-copy-card,
  .story-copy-card.is-active {
    grid-template-columns: minmax(180px, 0.62fr) minmax(0, 1.38fr);
    gap: 8px 20px;
    padding-left: 18px;
  }

  .story-copy-card .feature-carousel,
  .story-copy-card .feature-carousel.is-single {
    height: min(410px, calc(100svh - 156px));
  }

  .story-copy-card .feature-slide,
  .story-copy-card .feature-carousel.is-single .feature-slide {
    height: min(360px, calc(100svh - 206px));
  }
}
/* Fluid product / showcase refinements */
@media (max-width: 980px) {
  .product-grid,
  .product-secondary {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    --gallery-card: clamp(240px, 82vw, 420px);
    margin-inline: -8px;
    padding-inline: 8px;
    scroll-padding-inline: 8px;
  }

  .challenge-prompt {
    grid-template-columns: 1fr;
    margin-inline: 16px;
  }

  .hero-photo {
    min-width: 0;
    width: min(70vw, 520px);
    opacity: 0.9;
  }
}

@media (min-width: 1200px) {
  .hero-content {
    width: min(680px, 48vw);
    max-width: 680px;
  }

  .hero-line {
    max-width: 14em;
  }
}

/* Formal definition — three-part reading */
.definition-band {
  position: relative;
  z-index: 3;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-y) 0 var(--section-y-tight);
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr);
  gap: 20px clamp(24px, 3vw, 40px);
  align-items: start;
  border-top: 1px solid rgba(26, 35, 126, 0.08);
}

.definition-band .eyebrow {
  margin: 0;
  padding-top: 0.55em;
}

.definition-full {
  grid-column: 2;
  margin: 0 0 18px;
  max-width: 18em;
  color: var(--primary);
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.45;
  overflow-wrap: break-word;
}

.definition-full.is-subpage {
  max-width: none;
  margin-bottom: 18px;
  font-size: clamp(1.25rem, 0.95rem + 1.2vw, 1.75rem);
}

.definition-lead {
  grid-column: 2;
  margin: 0 0 32px;
  max-width: var(--copy-max);
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: var(--body-leading);
}

.definition-parts {
  list-style: none;
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.definition-parts li {
  min-width: 0;
  padding: 22px 22px 24px;
  border-radius: 18px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  background: #fff;
  box-shadow: 0 8px 28px rgba(26, 35, 126, 0.05);
}

.definition-part-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.definition-parts strong {
  display: block;
  margin: 0 0 10px;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--ink);
}

.definition-parts p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.definition-foot {
  grid-column: 2;
  margin: 28px 0 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: var(--body-leading);
}

@media (max-width: 980px) {
  .definition-parts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .definition-band {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .definition-band .eyebrow {
    padding-top: 0;
  }

  .definition-full,
  .definition-lead,
  .definition-parts,
  .definition-foot {
    grid-column: 1;
  }
}

.engine-intro {
  position: relative;
  z-index: 4;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-y) 0 var(--section-y-tight);
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr);
  gap: 20px clamp(24px, 3vw, 40px);
  align-items: start;
}

.engine-intro .eyebrow {
  margin: 0;
  padding-top: 0.55em;
}

.engine-intro-title {
  grid-column: 2;
  margin: 0 0 18px;
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.45;
  max-width: 18em;
}

.engine-intro .section-lead {
  grid-column: 2;
  margin: 0;
  max-width: var(--copy-max);
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: var(--body-leading);
}

@media (max-width: 800px) {
  .engine-intro {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .engine-intro .eyebrow {
    padding-top: 0;
  }

  .engine-intro-title,
  .engine-intro .section-lead {
    grid-column: 1;
  }
}

.practice-band,
.research-band {
  position: relative;
  z-index: 3;
  padding: var(--section-y) 0;
}

.practice-band {
  background:
    linear-gradient(180deg, rgba(249, 249, 249, 0.96), rgba(255, 255, 255, 0.98)),
    var(--paper);
  border-top: 1px solid rgba(26, 35, 126, 0.08);
}

.research-band {
  background: rgba(232, 234, 246, 0.28);
  border-top: 1px solid rgba(26, 35, 126, 0.08);
}

.practice-band > .practice-heading,
.practice-band > .practice-timeline,
.practice-band > .practice-layout,
.practice-band > .practice-actions,
.research-band > .research-heading,
.research-band > .home-record-feed,
.research-band > .research-actions,
.research-band > .record-feed {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-inline: auto;
}

.practice-heading,
.research-heading {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr);
  gap: 24px clamp(24px, 3vw, 40px);
  align-items: start;
  max-width: none;
  margin: 0 auto var(--section-head-gap);
}

.practice-heading .eyebrow,
.research-heading .eyebrow {
  grid-column: 1;
  grid-row: 1 / span 2;
  margin: 0;
  padding-top: 0.45em;
}

.practice-heading h2,
.research-heading h2 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.45;
}

.practice-heading .section-lead,
.research-heading .section-lead {
  grid-column: 2;
  grid-row: 2;
  margin: 18px 0 0;
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: var(--body-leading);
}

@media (max-width: 800px) {
  .practice-heading,
  .research-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .practice-heading .eyebrow,
  .research-heading .eyebrow {
    padding-top: 0;
  }

  .practice-heading h2,
  .practice-heading .section-lead,
  .research-heading h2,
  .research-heading .section-lead {
    grid-column: 1;
  }
}

.practice-timeline {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--content-max);
  display: grid;
  gap: 0;
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: 20px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 10px 36px rgba(26, 35, 126, 0.05);
}

.practice-timeline li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(26, 35, 126, 0.08);
}

.practice-timeline li:last-child {
  border-bottom: 0;
}

.practice-time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(26, 35, 126, 0.08);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.practice-timeline strong {
  display: block;
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.practice-timeline p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  max-width: var(--content-max);
  margin: 32px auto 0;
}

@media (max-width: 980px) {
  .hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .practice-timeline li {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 18px 18px;
  }
}

@media (max-width: 720px) {
  .practice-timeline li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .engine-intro-title {
    font-size: 1.55rem;
  }
}

/* Home research — compact growing feed */
.home-record-feed {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--content-max);
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: 20px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 10px 36px rgba(26, 35, 126, 0.05);
}

.home-record-feed li {
  display: grid;
  grid-template-columns: minmax(110px, 150px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(26, 35, 126, 0.08);
  min-width: 0;
}

.home-record-feed li:last-child {
  border-bottom: 0;
}

.home-record-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 2px;
  color: var(--ink-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.home-record-feed a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
}

.home-record-feed a:hover strong {
  color: var(--primary);
}

.home-record-feed strong {
  font-size: 1rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  overflow-wrap: break-word;
}

.home-record-feed a span {
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  overflow-wrap: break-word;
}

.research-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  max-width: var(--content-max);
  margin: 28px auto 0;
}

.record-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(26, 35, 126, 0.08);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pillar-label {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.practice-aside {
  max-width: var(--content-max);
  margin: 32px auto 0;
  padding: 28px 30px;
  border-radius: 20px;
  border: 1px solid rgba(26, 35, 126, 0.12);
  background:
    linear-gradient(135deg, rgba(26, 35, 126, 0.04), rgba(237, 195, 63, 0.08)),
    #fff;
}

.practice-aside .eyebrow {
  margin-bottom: 10px;
}

.practice-aside h3 {
  margin: 0 0 10px;
  font-size: var(--text-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.practice-aside p {
  margin: 0 0 14px;
  color: var(--ink-muted);
  font-size: var(--text-body);
  line-height: 1.75;
}

.text-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link:hover {
  color: var(--primary-dark);
}

/* Subpages */
body.is-subpage {
  padding-top: 0;
}

.subpage {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 120px clamp(20px, 5vw, 48px) 72px;
  min-width: 0;
  box-sizing: border-box;
}

.subpage-catalog {
  max-width: min(1080px, 100%);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 28px;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.subpage-hero {
  margin-bottom: 48px;
  min-width: 0;
}

.subpage-hero h1 {
  margin: 0 0 18px;
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.4;
  overflow-wrap: break-word;
}

.subpage-lead,
.catalog-growing-note,
.subpage-note {
  overflow-wrap: break-word;
}

.subpage-lead {
  margin: 0;
  color: var(--ink);
  font-size: var(--text-body);
  line-height: 1.85;
}

.subpage-note {
  margin: 20px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--secondary);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.subpage-section {
  margin: 0 0 56px;
}

.subpage-section > h2 {
  margin: 0 0 22px;
  font-size: var(--text-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.pillar-grid,
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pillar-grid article,
.insight-grid article {
  padding: 22px 22px 24px;
  border-radius: 18px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  background: #fff;
  box-shadow: 0 8px 28px rgba(26, 35, 126, 0.05);
}

.pillar-grid h3,
.insight-grid h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.pillar-grid p,
.insight-grid p {
  margin: 0 0 14px;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.pillar-grid .text-link,
.insight-grid .text-link {
  font-size: 0.9rem;
}

.citation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.citation-list > li {
  padding: 24px 26px;
  border-radius: 18px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  background: #fff;
  box-shadow: 0 8px 28px rgba(26, 35, 126, 0.05);
}

.citation-list h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  line-height: 1.45;
}

.citation-meta {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.citation-authors {
  margin: 0 0 12px;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.citation-list p {
  margin: 0 0 12px;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.citation-note {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(26, 35, 126, 0.04);
  font-size: 0.9rem !important;
}

.citation-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin: 0 !important;
}

.citation-links a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.citation-list.is-compact > li {
  padding: 20px 22px;
}

.subpage-disclaimer {
  margin: 20px 0 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.about-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.about-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  background: #fff;
}

.about-links a:hover {
  border-color: rgba(26, 35, 126, 0.22);
}

.about-links strong {
  color: var(--primary);
}

.about-links span {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.subpage-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 24px;
  padding: 36px 32px;
  border-radius: 24px;
  background:
    linear-gradient(110deg, rgba(26, 35, 126, 0.98), rgba(0, 0, 81, 0.94)),
    var(--primary-dark);
  color: var(--paper-soft);
}

.subpage-cta h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.45;
}

.subpage-cta p {
  margin: 10px 0 0;
  color: rgba(253, 252, 250, 0.72);
}

.subpage-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 220px;
}

.subpage-cta .button.primary {
  border-color: var(--secondary);
  background: var(--secondary);
  color: var(--ink);
}

.subpage-cta .button.ghost {
  border-color: rgba(253, 252, 250, 0.28);
  background: rgba(253, 252, 250, 0.08);
  color: var(--paper-soft);
}

.site-nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

@media (max-width: 980px) {
  .pillar-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .home-record-feed li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .subpage-cta {
    grid-template-columns: 1fr;
  }

  .subpage-cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .subpage {
    padding-top: 100px;
  }

  .practice-aside {
    padding: 22px 20px;
  }
}

/* Scalable research catalog */
.catalog-growing-note {
  margin: 18px 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.record-toolbar {
  position: sticky;
  top: 72px;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin: 0 0 28px;
  padding: 12px 14px;
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: 16px;
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(12px);
}

.record-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.record-filter {
  appearance: none;
  border: 1px solid rgba(26, 35, 126, 0.14);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-muted);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.record-filter:hover {
  border-color: rgba(26, 35, 126, 0.28);
  color: var(--primary);
}

.record-filter.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.record-count {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.record-catalog {
  display: grid;
  gap: 36px;
  margin-bottom: 48px;
}

.record-year {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(26, 35, 126, 0.12);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.record-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(26, 35, 126, 0.1);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(26, 35, 126, 0.04);
}

.record-item {
  min-width: 0;
  padding: 20px 22px 18px;
  border-bottom: 1px solid rgba(26, 35, 126, 0.08);
}

.record-item:last-child {
  border-bottom: 0;
}

.record-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 8px;
}

.record-venue {
  color: var(--ink-muted);
  font-size: 0.84rem;
  overflow-wrap: anywhere;
}

.record-title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
}

.record-authors {
  margin: 0 0 8px;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.record-summary {
  margin: 0 0 10px;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.record-note {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(26, 35, 126, 0.04);
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.record-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 0;
}

.record-links a {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.catalog-empty {
  margin: 0 0 40px;
  padding: 28px;
  border-radius: 16px;
  border: 1px dashed rgba(26, 35, 126, 0.2);
  color: var(--ink-muted);
  text-align: center;
}

@media (max-width: 720px) {
  .record-toolbar {
    top: 64px;
    padding: 12px;
  }

  .record-item {
    padding: 18px 16px 16px;
  }

  .record-title {
    font-size: 0.98rem;
  }
}

/* =========================================================
   Apple-lite layout layer (home)
   Centered statements, stacked product modules, airy bands.
   ========================================================= */

.apple-lite .section-center {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto var(--section-head-gap);
  text-align: center;
}

.apple-lite .section-center .eyebrow {
  margin-bottom: 14px;
}

.apple-lite .section-center h2 {
  margin: 0 auto;
  max-width: 14em;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--ink);
}

.apple-lite .section-center .section-lead {
  margin: 18px auto 0;
  max-width: 28em;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 0.95rem + 0.45vw, 1.25rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.apple-lite .eyebrow,
.apple-lite .step-kicker {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.apple-lite .hero-eyebrow {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 18px;
}

/* Statement / definition */
.statement-band {
  position: relative;
  z-index: 3;
  width: 100%;
  margin: 0;
  padding: var(--section-y) 6%;
  text-align: center;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.statement-band .eyebrow {
  margin: 0 0 18px;
}

.statement-title {
  margin: 0 auto;
  max-width: 12em;
  color: var(--primary);
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.statement-lead {
  margin: 22px auto 0;
  max-width: 22em;
  color: var(--ink-muted);
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.statement-pills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin: 40px auto 0;
  padding: 0;
}

.statement-pills li {
  color: var(--ink);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.statement-pills li:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-left: 28px;
  border-radius: 50%;
  background: var(--secondary);
  vertical-align: middle;
  transform: translateY(-2px);
}

/* Why / role */
.why-band {
  width: 100%;
  padding: var(--section-y) 0;
  background: #f5f5f7;
}

.why-grid {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.why-grid article {
  padding: 0;
  text-align: center;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.why-grid h3 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.why-grid p {
  margin: 0 auto;
  max-width: 16em;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.55;
}

/* Product modules */
.apple-lite .product-band {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--section-y) 0;
  background: #fff;
  border: 0;
}

.apple-lite .product-band > .product-heading,
.apple-lite .product-band > .feature-modules,
.apple-lite .product-band > .product-secondary {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.apple-lite .product-heading,
.apple-lite .practice-heading,
.apple-lite .research-heading {
  display: block;
  grid-template-columns: none;
  text-align: center;
  margin-bottom: var(--section-head-gap);
}

.apple-lite .product-heading .eyebrow,
.apple-lite .product-heading h2,
.apple-lite .product-heading .section-lead,
.apple-lite .practice-heading .eyebrow,
.apple-lite .practice-heading h2,
.apple-lite .practice-heading .section-lead,
.apple-lite .research-heading .eyebrow,
.apple-lite .research-heading h2,
.apple-lite .research-heading .section-lead {
  display: block;
  grid-column: auto;
  grid-row: auto;
  margin-left: auto;
  margin-right: auto;
  padding-top: 0;
  text-align: center;
  max-width: 18em;
}

.apple-lite .product-heading .section-lead,
.apple-lite .practice-heading .section-lead {
  max-width: 28em;
}

.feature-modules {
  display: grid;
  gap: clamp(56px, 8vw, 110px);
  margin-bottom: clamp(48px, 6vw, 72px);
}

.feature-module {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.feature-module.is-flip {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
}

.feature-module.is-flip .feature-module-copy {
  order: 2;
}

.feature-module.is-flip .feature-module-visual {
  order: 1;
}

.feature-module-copy .product-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-module-copy h3 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--ink);
}

.feature-module-copy p {
  margin: 0;
  max-width: 22em;
  color: var(--ink-muted);
  font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.18rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.feature-module-visual {
  margin: 0;
  border-radius: var(--radius-shot);
  overflow: hidden;
  background: #f5f5f7;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.feature-module-visual img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: top center;
  background: #fff;
}

.apple-lite .product-secondary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.apple-lite .product-secondary a {
  display: grid;
  gap: 4px;
  padding: 22px 20px;
  border-radius: 18px;
  background: #f5f5f7;
  border: 0;
  box-shadow: none;
  transition: background 200ms ease, transform 200ms ease;
}

.apple-lite .product-secondary a:hover {
  background: #ebebed;
  transform: translateY(-2px);
}

.apple-lite .product-secondary strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.apple-lite .product-secondary span {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

/* Engine intro centered */
.apple-lite .engine-intro {
  display: block;
  grid-template-columns: none;
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-y-tight) 0 clamp(24px, 4vw, 40px);
  text-align: center;
}

.apple-lite .engine-intro .eyebrow,
.apple-lite .engine-intro-title,
.apple-lite .engine-intro .section-lead {
  display: block;
  grid-column: auto;
  margin-left: auto;
  margin-right: auto;
  padding-top: 0;
  text-align: center;
}

.apple-lite .engine-intro-title {
  margin: 0 auto;
  max-width: 16em;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.apple-lite .engine-intro .section-lead {
  margin: 16px auto 0;
  max-width: 26em;
}

.apple-lite .story {
  background: #f5f5f7;
}

.apple-lite .story-copy-card h2 {
  font-size: clamp(1.7rem, 1.1rem + 1.5vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.apple-lite .story-copy-card > p:not(.step-kicker) {
  max-width: 28em;
  line-height: 1.5;
}

/* Practice */
.apple-lite .practice-band {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--section-y) 0;
  background: #fff;
}

.apple-lite .practice-band > .practice-heading,
.apple-lite .practice-band > .practice-phases,
.apple-lite .practice-band > .practice-aside,
.apple-lite .practice-band > .practice-actions {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.practice-phases {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0 auto clamp(40px, 5vw, 56px);
  padding: 0;
}

.practice-phases li {
  display: grid;
  gap: 8px;
  padding: 28px 22px;
  border-radius: 22px;
  background: #f5f5f7;
  text-align: center;
}

.practice-phases strong {
  font-size: clamp(1.2rem, 1rem + 0.6vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.practice-phases span {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.apple-lite .practice-aside {
  margin: 0 auto 36px;
  padding: 28px 32px;
  border-radius: 22px;
  background: #f5f5f7;
  border: 0;
  text-align: center;
}

.apple-lite .practice-aside h3 {
  margin: 8px 0 14px;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.apple-lite .practice-actions {
  justify-content: center;
}

/* Research */
.apple-lite .research-band {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--section-y) 0;
  background: #f5f5f7;
}

.apple-lite .research-band > .research-heading,
.apple-lite .research-band > .home-record-feed,
.apple-lite .research-band > .research-actions {
  width: var(--wrap-width);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.apple-lite .home-record-feed {
  margin: 0 auto 36px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
}

.apple-lite .home-record-feed li {
  display: grid;
  gap: 8px;
  padding: 22px 26px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.apple-lite .home-record-feed li:last-child {
  border-bottom: 0;
}

.apple-lite .home-record-feed a {
  display: grid;
  gap: 4px;
}

.apple-lite .home-record-feed strong {
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.apple-lite .home-record-feed a span {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.apple-lite .research-actions {
  justify-content: center;
}

/* Final CTA */
.apple-lite .final-cta {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: clamp(100px, 14vw, 160px) 6%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  justify-items: center;
  align-items: center;
  text-align: center;
  background: var(--primary);
  color: #fff;
  border-radius: 0;
  box-shadow: none;
}

.apple-lite .final-cta > div {
  max-width: min(18em, 92vw);
}

.apple-lite .final-cta h2 {
  margin: 0;
  max-width: none;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.25;
  color: #fff;
  overflow-wrap: normal;
  word-break: keep-all;
}

.apple-lite .final-cta-actions {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.apple-lite .final-cta .button.primary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: var(--primary-dark);
  box-shadow: none;
}

.apple-lite .final-cta .button.primary::before {
  display: none;
}

.apple-lite .final-cta .button.primary:hover {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  color: var(--primary-dark);
}

.apple-lite .final-cta-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent;
  color: #fff;
}

.apple-lite .final-cta-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.apple-lite .button.primary::before {
  display: none;
}

.apple-lite .button.primary {
  box-shadow: none;
  font-weight: 600;
}

.apple-lite .button.ghost {
  background: transparent;
}

/* Footer stays dark after navy CTA — light bg + light text was illegible */
.apple-lite .site-footer {
  background: var(--primary-dark);
  color: rgba(253, 252, 250, 0.78);
  border-top: 0;
}

.apple-lite .site-footer a:hover {
  color: var(--secondary);
}

@media (max-width: 900px) {
  .feature-module,
  .feature-module.is-flip {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-module.is-flip .feature-module-copy,
  .feature-module.is-flip .feature-module-visual {
    order: initial;
  }

  .why-grid,
  .practice-phases,
  .apple-lite .product-secondary {
    grid-template-columns: 1fr;
  }

  .statement-pills li:not(:last-child)::after {
    margin-left: 18px;
  }
}

@media (max-width: 720px) {
  .apple-lite .hero-line {
    max-width: 10em;
  }

  .practice-phases {
    grid-template-columns: 1fr 1fr;
  }
}