/* =====================================================
   Duncan | 260530 Taichung Green Museumbrary Portrait Plan
   ===================================================== */

:root {
  --bg: #f1eee7;
  --paper: #fbfaf6;
  --ink: #1f1f1f;
  --muted: #6f675d;
  --quiet: #a0998f;
  --line: rgba(31, 31, 31, .12);
  --deep: #352c25;
  --ochre: #b88a32;
  --sand: #c6a36a;
  --brick: #8b5e3c;
  --shadow: 0 22px 70px rgba(0, 0, 0, .14);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
    "PingFang TC", "Microsoft JhengHei", sans-serif;
  --ease-out: cubic-bezier(.2, .7, .2, 1);
  --duration: 900ms;
  --max-width: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-stack);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
}

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(5rem, 9vw, 9rem);
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 200;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 42px, 0);
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.reveal.slide-left {
  transform: translate3d(-48px, 30px, 0);
}

.reveal.slide-right {
  transform: translate3d(48px, 30px, 0);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem var(--gutter);
  background: linear-gradient(180deg, rgba(31, 28, 24, .46), rgba(31, 28, 24, .12));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background .3s ease, box-shadow .3s ease, color .3s ease;
}

.site-header.scrolled {
  background: rgba(241, 238, 231, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}

.site-logo {
  color: rgba(251, 250, 246, .84);
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header.scrolled .site-logo {
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.site-nav a {
  color: rgba(251, 250, 246, .86);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color .2s ease;
}

.site-nav a:hover {
  color: var(--paper);
}

.site-header.scrolled .site-nav a {
  color: var(--muted);
}

.site-header.scrolled .site-nav a:hover {
  color: var(--ink);
}

.floating-links {
  position: fixed;
  top: 5.25rem;
  left: 50%;
  z-index: 99;
  width: min(calc(100% - (var(--gutter) * 2)), var(--max-width));
  height: 52px;
  display: flex;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.26), rgba(241,238,231,.10)), rgba(241,238,231,.22);
  border: 1px solid rgba(31,31,31,.18);
  box-shadow: 0 18px 46px rgba(0,0,0,.12), 0 1px 0 rgba(255,255,255,.50) inset;
  backdrop-filter: blur(7px) saturate(1.12);
  -webkit-backdrop-filter: blur(7px) saturate(1.12);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -16px);
  transition: opacity .28s ease, transform .28s ease;
}

.floating-links.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.floating-links-brand {
  width: clamp(150px, 16vw, 210px);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31, 31, 31, .68);
  color: var(--bg);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.floating-links-nav {
  display: flex;
  flex: 1 1 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.floating-links-nav::-webkit-scrollbar {
  display: none;
}

.floating-links-nav a {
  position: relative;
  flex: 1 0 132px;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1.25rem;
  color: #171512;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .13em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.floating-links-nav a::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: rgba(184, 138, 50, .86);
  transform: translateY(3px);
  transition: transform .25s ease;
}

.floating-links-nav a:hover::before {
  transform: translateY(0);
}

.back-to-top {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 98;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: rgba(241, 238, 231, .88);
  color: var(--ink);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity .25s ease, transform .25s ease;
  cursor: pointer;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--deep);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: -8vh 0 0;
  width: 100%;
  height: 110%;
  object-fit: cover;
  z-index: -2;
  filter: saturate(.88) contrast(.92);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(39,32,27,.82), rgba(58,48,39,.38) 48%, rgba(58,48,39,.12)),
    linear-gradient(180deg, rgba(39,32,27,.08), rgba(39,32,27,.72));
}

.hero-content {
  width: 100%;
  padding-block: clamp(9rem, 18vh, 12rem) clamp(5rem, 10vh, 8rem);
  color: var(--paper);
}

.hero-eyebrow,
.section-label,
.intro-kicker {
  display: inline-flex;
  color: var(--ochre);
  font-size: .75rem;
  letter-spacing: .18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero-eyebrow {
  color: rgba(251, 250, 245, .74);
}

.hero-title {
  max-width: 760px;
  margin-top: .85rem;
  font-size: clamp(4rem, 11vw, 10.5rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: .9;
}

.hero-quote {
  max-width: 620px;
  margin-top: 2rem;
  color: rgba(251, 250, 245, .84);
  font-size: clamp(1.02rem, 2vw, 1.32rem);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  margin-top: 2.2rem;
}

.hero-meta span,
.hero-meta a {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(251, 250, 245, .30);
  padding: .55rem .85rem;
  color: rgba(251, 250, 245, .82);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.hero-meta a:hover {
  border-color: rgba(251, 250, 245, .62);
  color: var(--paper);
}

.hero-scroll-hint {
  position: absolute;
  right: var(--gutter);
  bottom: 2rem;
  color: rgba(251, 250, 245, .70);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.split-intro {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) 1fr;
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
}

.intro-copy h2,
.structure-copy h2,
.route-heading h2,
.closing-copy h2 {
  max-width: 820px;
  font-size: clamp(2.2rem, 5vw, 5.1rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: .98;
}

.intro-copy p,
.structure-copy p,
.closing-copy p {
  max-width: 820px;
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.planning-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 7vw, 6rem);
  background: var(--line);
  border-block: 1px solid var(--line);
}

.plan-item {
  min-height: 280px;
  padding: clamp(1.3rem, 2.4vw, 2rem);
  background: var(--paper);
}

.plan-item span {
  color: var(--brick);
  font-size: .74rem;
  letter-spacing: .18em;
}

.plan-item h3 {
  margin-top: 2.5rem;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 500;
}

.plan-item p {
  margin-top: 1rem;
  color: var(--muted);
  font-size: .94rem;
}

.structure {
  background: var(--deep);
  color: var(--paper);
}

.structure-layout {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
}

.structure .section-label {
  color: var(--sand);
}

.structure-copy p {
  color: rgba(251, 250, 245, .72);
}

.architecture-list {
  display: grid;
  gap: 1px;
  list-style: none;
  background: rgba(251, 250, 245, .16);
}

.architecture-list li {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 1.5rem;
  padding: 1.35rem clamp(1rem, 2vw, 1.7rem);
  background: rgba(53, 44, 37, .92);
}

.architecture-list strong {
  color: var(--sand);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.architecture-list span {
  color: rgba(251, 250, 245, .78);
}

.route {
  position: relative;
  overflow: visible;
  min-height: 380vh;
  scroll-margin-top: 8.5rem;
  background:
    linear-gradient(135deg, rgba(184,138,50,.18), transparent 34%),
    linear-gradient(315deg, rgba(139,94,60,.13), transparent 28%),
    var(--bg);
}

.route-heading {
  display: grid;
  gap: .8rem;
}

.route-ribbon {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  margin-top: clamp(2rem, 5vw, 4rem);
  overflow: hidden;
}

.route-sticky {
  width: 100%;
  overflow: hidden;
  padding: 0 var(--gutter);
}

.route-track {
  display: flex;
  gap: clamp(1rem, 2vw, 1.4rem);
  width: max-content;
  transform: translate3d(var(--route-x, 0px), 0, 0);
  transition: transform .08s linear;
  will-change: transform;
}

.route-card {
  position: relative;
  flex: 0 0 min(72vw, 430px);
  min-height: 520px;
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.route-card img {
  width: 100%;
  height: 310px;
  object-fit: cover;
}

.route-card-body {
  padding: 1.35rem;
}

.route-card small {
  color: var(--brick);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.route-card h3 {
  margin-top: .55rem;
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.2;
}

.route-card p {
  margin-top: .85rem;
  color: var(--muted);
  font-size: .94rem;
}

.scene-atlas {
  background: #e7dfd1;
}

.zone-panel {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  padding-block: clamp(6.5rem, 9vw, 8rem) clamp(3.5rem, 6vw, 5.5rem);
  overflow: visible;
  scroll-margin-top: 8.5rem;
  border-top: 1px solid var(--line);
  background: var(--zone-bg, var(--paper));
  clip-path: var(--zone-clip, inset(0 0 0 0));
  will-change: clip-path;
}

.zone-panel::before {
  content: "";
  position: absolute;
  inset: -12% 0;
  z-index: -1;
  background:
    radial-gradient(circle at 18% 22%, var(--zone-wash-a, rgba(184, 138, 50, .18)), transparent 36%),
    radial-gradient(circle at 88% 74%, var(--zone-wash-b, rgba(139, 94, 60, .12)), transparent 42%),
    linear-gradient(128deg, rgba(255, 255, 255, .24), transparent 42%, rgba(53, 44, 37, .06));
  opacity: .95;
  transform: translate3d(var(--zone-bg-x, 0), var(--zone-bg-y, 0), 0) scale(var(--zone-bg-scale, 1));
  transform-origin: 50% 50%;
  will-change: transform;
}

.zone-panel::after {
  content: "";
  position: absolute;
  inset: clamp(1.2rem, 3vw, 3rem);
  z-index: -1;
  border: 1px solid rgba(31, 31, 31, .08);
  background:
    linear-gradient(90deg, rgba(255,255,255,.18), transparent 38%),
    linear-gradient(180deg, transparent, rgba(53,44,37,.05));
  opacity: .7;
  transform: translate3d(var(--zone-frame-x, 0), var(--zone-frame-y, 0), 0) scale(var(--zone-frame-scale, 1));
  transform-origin: 50% 50%;
  will-change: transform;
  pointer-events: none;
}

.zone-transition-1 {
  --zone-bg: #ece2d1;
  --zone-wash-a: rgba(184, 138, 50, .28);
  --zone-wash-b: rgba(118, 111, 100, .20);
}

.zone-transition-2 {
  --zone-bg: #e8dfd0;
  --zone-wash-a: rgba(139, 94, 60, .25);
  --zone-wash-b: rgba(198, 163, 106, .22);
}

.zone-transition-3 {
  --zone-bg: #dfd6c8;
  --zone-wash-a: rgba(120, 110, 96, .26);
  --zone-wash-b: rgba(184, 138, 50, .24);
}

.zone-transition-4 {
  --zone-bg: #ddd3c4;
  --zone-wash-a: rgba(53, 44, 37, .14);
  --zone-wash-b: rgba(184, 138, 50, .20);
}

.zone-transition-5 {
  --zone-bg: #eadcc8;
  --zone-wash-a: rgba(198, 163, 106, .32);
  --zone-wash-b: rgba(111, 103, 93, .17);
}

.zone-transition-6 {
  --zone-bg: #d9d1c4;
  --zone-wash-a: rgba(139, 94, 60, .22);
  --zone-wash-b: rgba(31, 31, 31, .12);
}

.zone-transition-7 {
  --zone-bg: #eee4d3;
  --zone-wash-a: rgba(184, 138, 50, .30);
  --zone-wash-b: rgba(139, 94, 60, .18);
}

.zone-transition-8 {
  --zone-bg: #e3dacb;
  --zone-wash-a: rgba(104, 95, 84, .20);
  --zone-wash-b: rgba(198, 163, 106, .20);
}

.zone-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(330px, .72fr) minmax(0, 1.28fr);
  gap: clamp(2.8rem, 6vw, 6.8rem);
  align-items: start;
}

.zone-copy {
  position: sticky;
  top: clamp(8.8rem, 16vh, 11rem);
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: start;
  padding-block: clamp(.75rem, 2vh, 1.35rem);
}

.zone-number {
  color: var(--brick);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.zone-copy h2 {
  margin-top: 1rem;
  font-size: clamp(2.3rem, 5vw, 5.8rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: .95;
}

.zone-copy p {
  margin-top: 1.3rem;
  color: var(--muted);
}

.zone-notes {
  display: grid;
  gap: .7rem;
  margin-top: 1.8rem;
  list-style: none;
}

.zone-notes li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: .7rem;
  color: var(--muted);
  font-size: .9rem;
}

.zone-notes strong {
  color: var(--ink);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: start;
  transform: translate3d(var(--scene-flow-x, 0), var(--scene-flow-y, 0), 0) scale(var(--scene-flow-scale, 1));
  transform-origin: var(--scene-flow-origin, 50% 18%);
  transition: filter .24s ease;
  will-change: transform, filter;
}

.scene-card {
  --card-offset-y: 0px;
  --card-flow-x: 0px;
  --card-flow-y: 0px;
  --card-scale: 1;
  position: relative;
  background: #201b17;
  color: var(--paper);
  box-shadow: 0 18px 54px rgba(0,0,0,.18);
  transform: translate3d(var(--card-flow-x), calc(var(--card-offset-y) + var(--card-flow-y)), 0) scale(var(--card-scale));
  transform-origin: 50% 12%;
  will-change: transform;
}

.scene-card:nth-child(3n + 1) {
  margin-top: clamp(0rem, 5vw, 3rem);
}

.scene-card:nth-child(4n + 2) {
  --card-offset-y: clamp(0rem, 4vw, 2rem);
}

.scene-card.wide {
  grid-column: 1 / -1;
}

.scene-media {
  position: relative;
  overflow: hidden;
  background: #201b17;
}

.scene-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.scene-card.portrait .scene-media img {
  aspect-ratio: 3 / 4;
}

.scene-card.wide .scene-media img {
  aspect-ratio: 16 / 9;
}

.scene-caption {
  display: grid;
  gap: .8rem;
  padding: 1.2rem;
  background: #231e19;
}

.scene-caption-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.scene-caption h3 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.25;
}

.scene-caption code {
  color: var(--sand);
  font-family: inherit;
  font-size: .72rem;
  letter-spacing: .16em;
}

.scene-caption p {
  color: rgba(251,250,245,.74);
  font-size: .92rem;
}

.shot-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(251,250,245,.14);
}

.shot-meta span {
  padding: .7rem .75rem;
  background: #2c251f;
  color: rgba(251,250,245,.78);
  font-size: .72rem;
  letter-spacing: .08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  background: rgba(25, 21, 18, .86);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.photo-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.has-lightbox {
  overflow: hidden;
}

.photo-lightbox-frame {
  display: grid;
  gap: .75rem;
  width: min(94vw, 1440px);
  max-height: 90vh;
  color: rgba(251, 250, 245, .78);
  transform: scale(.965);
  transition: transform .22s ease;
}

.photo-lightbox.is-open .photo-lightbox-frame {
  transform: scale(1);
}

.photo-lightbox-frame img {
  width: 100%;
  max-height: min(82vh, 980px);
  object-fit: contain;
  background: #1f1b17;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .36);
}

.photo-lightbox-frame figcaption {
  font-size: .8rem;
  letter-spacing: .14em;
  text-align: center;
  text-transform: uppercase;
}

.photo-lightbox-close {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  z-index: 301;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(251, 250, 245, .34);
  background: rgba(251, 250, 245, .10);
  color: var(--paper);
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.photo-lightbox-close:hover,
.photo-lightbox-close:focus-visible {
  background: rgba(251, 250, 245, .22);
}

.photo-lightbox-close svg {
  width: 24px;
  height: 24px;
}

.closing {
  background: var(--deep);
  color: var(--paper);
}

.closing-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
}

.closing .section-label {
  color: var(--sand);
}

.closing-copy p {
  color: rgba(251,250,245,.74);
}

.closing-copy a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: .28em;
}

.shooting-result {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.result-copy {
  max-width: 760px;
}

.result-copy h2 {
  margin-top: .65rem;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.08;
}

.result-copy p {
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: clamp(.95rem, 1.35vw, 1.08rem);
  line-height: 1.9;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  justify-content: flex-end;
}

.shooting-result .btn-link {
  border-color: rgba(31, 31, 31, .2);
  color: var(--ink);
}

.shooting-result .btn-link:hover {
  background: var(--ink);
  color: var(--paper);
}

.shooting-result .result-primary {
  background: var(--ink);
  color: var(--paper);
}

.shooting-result .result-primary:hover {
  background: var(--deep);
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  justify-content: flex-end;
}

.btn-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(251,250,245,.36);
  padding: .7rem 1.1rem;
  color: var(--paper);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .2s ease, color .2s ease;
}

.btn-link:hover {
  background: var(--paper);
  color: var(--deep);
}

.btn-link-ghost {
  border-color: rgba(198,163,106,.72);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem var(--gutter);
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .site-nav {
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: .2rem;
  }

  .floating-links {
    top: 6.4rem;
  }

  .split-intro,
  .structure-layout,
  .zone-shell,
  .result-layout,
  .closing-layout {
    grid-template-columns: 1fr;
  }

  .result-actions {
    justify-content: flex-start;
  }

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

  .zone-copy {
    position: relative;
    top: auto;
    min-height: auto;
    display: block;
    transform: none !important;
  }

  .zone-panel {
    clip-path: none !important;
    min-height: auto;
    overflow: visible;
  }

  .scene-grid {
    transform: none !important;
  }
}

@media (max-width: 760px) {
  .floating-links {
    display: none;
  }

  .route {
    min-height: auto;
  }

  .route-ribbon {
    position: static;
    height: auto;
    display: block;
    overflow: visible;
    padding-block: 1rem 1.4rem;
  }

  .route-sticky {
    width: auto;
    overflow: visible;
    padding-inline: var(--gutter);
  }

  .route-track {
    display: grid;
    width: 100%;
    transform: none !important;
    gap: 1rem;
  }

  .route-card {
    width: 100%;
    min-height: auto;
    flex: none;
  }

  .route-card img {
    height: clamp(190px, 52vw, 260px);
  }
}

@media (max-width: 680px) {
  .hero {
    min-height: 92vh;
  }

  .hero-content {
    padding-top: 10rem;
  }

  .hero-title {
    font-size: clamp(3.4rem, 18vw, 5.6rem);
  }

  .planning-grid,
  .scene-grid,
  .shot-meta {
    grid-template-columns: 1fr;
  }

  .planning-grid {
    gap: 0;
    margin-top: 2.2rem;
    background: transparent;
  }

  .plan-item {
    min-height: auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--line);
  }

  .plan-item:last-child {
    border-bottom: 1px solid var(--line);
  }

  .plan-item h3 {
    margin-top: 1.4rem;
  }

  .planning-grid .reveal,
  .planning-grid .reveal.slide-left,
  .planning-grid .reveal.slide-right {
    opacity: 1;
    transform: none;
  }

  .architecture-list li,
  .zone-notes li {
    grid-template-columns: 1fr;
    gap: .35rem;
  }

  .scene-card:nth-child(3n + 1),
  .scene-card:nth-child(4n + 2) {
    margin-top: 0;
    transform: none;
  }

  .reveal.slide-left,
  .reveal.slide-right {
    transform: translate3d(0, 42px, 0);
  }

  .scene-card.wide {
    grid-column: auto;
  }

  .scene-card.wide .scene-media img {
    aspect-ratio: 4 / 3;
  }

  .floating-links-brand {
    width: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}