:root {
  --red: #c41e17;
  --red-deep: #8c1a14;
  --gold: #b8954e;
  --gold-bright: #d4b36a;
  --paper: #f4efe6;
  --paper-dim: #e8dfd0;
  --ink: #1c1610;
  --ink-deep: #120e0a;
  --brown: #2a2119;
  --muted: #7a6d5f;
  --hairline: rgba(184, 149, 78, 0.28);
  --shell: min(1120px, calc(100vw - 120px));
  /* 全站统一宋体；Web 字体覆盖 400–900，系统宋体缺少粗体时允许浏览器合成。 */
  --songti: "Songti SC", "STSong", "SimSun", "NSimSun", "Noto Serif SC", serif;
  --serif: var(--songti);
  --display: var(--songti);
  --sans: var(--songti);
  --latin: var(--songti);
  /* 中文排版节奏：正文靠行距，标题才略松字距 */
  --leading-body: 1.85;
  --leading-display: 1.35;
  --track-body: 0.02em;
  --track-display: 0.06em;
  --track-eyebrow: 0.22em;
  --weight-body: 500;
  --weight-label: 600;
  --weight-title: 700;
  --ease: cubic-bezier(.22, .68, .32, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.2, 0, 0, 1);
  --text-enter: 900ms var(--ease-out);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink-deep);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: var(--weight-body);
  font-synthesis: weight style;
  font-size: 16px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* 中西文混排自动留白（支持的浏览器） */
  text-autospace: ideograph-alpha ideograph-numeric;
  word-break: normal;
  overflow-wrap: break-word;
}

/* 拉丁装饰字：短、小、淡，不与宋体中文抢视线 */
.latin {
  font-family: var(--latin);
  font-weight: var(--weight-label);
  font-style: italic;
  font-size: .92em;
  letter-spacing: .04em;
  text-transform: none;
  font-variant-numeric: lining-nums;
}

.scene-copy__place .latin,
.eyebrow .latin {
  margin-left: .55em;
  opacity: .72;
  font-size: .95em;
  font-style: normal;
  letter-spacing: .12em;
  text-transform: capitalize;
}

.loader__brand .latin,
.brand .latin,
.orbit__core .latin,
footer .latin {
  font-style: normal;
  font-size: 1em;
  letter-spacing: .02em;
  margin-right: .2em;
  opacity: 1;
}

/* 正文段落：可读性优先，不跟标题拉字距 */
p,
.arrival__foot > p,
.section-head > p,
.truth__content > p,
.platform__intro > p,
.promise-card small,
.flow small,
.scene-copy p {
  letter-spacing: var(--track-body);
  line-height: var(--leading-body);
  text-wrap: pretty;
}

body.is-loading {
  overflow: hidden;
}

::selection {
  color: #fff;
  background: var(--red);
}

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

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

.page-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-pad {
  padding: clamp(96px, 13.7svh, 132px) 0;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: .035;
  background-image:
    repeating-radial-gradient(circle at 22% 31%, transparent 0, #fff .7px, transparent 1.3px, transparent 5px),
    repeating-radial-gradient(circle at 78% 63%, transparent 0, #000 .6px, transparent 1.2px, transparent 6px);
  background-size: 9px 11px, 13px 15px;
  contain: strict;
}

body.has-custom-cursor,
body.has-custom-cursor a,
body.has-custom-cursor button {
  cursor: none;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-content: center;
  place-items: center;
  justify-items: center;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink-deep);
  text-align: center;
  transition: clip-path 1.15s cubic-bezier(.76, 0, .24, 1), visibility 1.15s;
  clip-path: inset(0 0 0 0);
}

.loader.is-done {
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
}

.loader.is-done * {
  animation-play-state: paused !important;
}

.loader__halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(320px, 52vmin, 600px);
  aspect-ratio: 1;
  border: 1px solid rgba(200, 164, 92, .18);
  border-radius: 50%;
  box-shadow: 0 0 120px rgba(200, 164, 92, .1), inset 0 0 120px rgba(200, 164, 92, .07);
  transform: translate(-50%, -50%);
  animation: loader-orbit 8s linear infinite;
}

.loader__halo::before,
.loader__halo::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(200, 164, 92, .2);
  border-radius: inherit;
}

.loader__halo::after {
  inset: 28%;
  border-style: solid;
}

.loader__logo {
  position: relative;
  width: 66px;
  filter: drop-shadow(0 16px 40px rgba(217, 37, 29, .25));
}

.loader__brand {
  position: relative;
  margin: 20px 0 24px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: var(--weight-label);
  letter-spacing: .12em;
}

.loader__track {
  position: relative;
  width: 240px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, .14);
}

.loader__track i {
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  animation: loader-track 1.3s ease-in-out infinite;
}

.loader > span {
  position: relative;
  margin-top: 15px;
  color: rgba(247, 243, 236, .46);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: var(--track-eyebrow);
}

@keyframes loader-track {
  from { transform: translateX(-120%); }
  to { transform: translateX(340%); }
}

@keyframes loader-orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 900;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: 90px;
  padding: 0 42px;
  color: #fff;
  transition: height .45s var(--ease), color .45s var(--ease), background .45s var(--ease), backdrop-filter .45s var(--ease);
}

.site-header.is-light {
  height: 72px;
  color: var(--ink);
  background: rgba(247, 243, 236, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(46, 36, 27, .08);
}

.site-header.is-dark-compact {
  height: 72px;
  color: #fff;
  background: rgba(23, 17, 12, .76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(200, 164, 92, .14);
}

.site-header.is-dark-compact .header-cta {
  border-color: rgba(200, 164, 92, .38);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.brand span {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.brand strong {
  font-family: var(--latin);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .01em;
  font-style: normal;
}

.brand small {
  font-family: var(--display);
  font-size: 15px;
  font-weight: var(--weight-label);
  line-height: 1;
  letter-spacing: .08em;
}

.site-header nav {
  display: flex;
  gap: clamp(18px, 2vw, 34px);
  font-weight: var(--weight-title);
  font-size: 13px;
  letter-spacing: .06em;
  white-space: nowrap;
}

.site-header .brand strong,
.site-header .brand small {
  font-weight: var(--weight-title);
}

.site-header nav a {
  position: relative;
  padding: 8px 0;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}

.site-header nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 17px 12px 20px;
  border: 1px solid rgba(255, 255, 255, .4);
  font-weight: var(--weight-title);
  font-size: 13px;
  letter-spacing: .06em;
  transition: color .3s, background .3s, border-color .3s, transform .18s var(--ease);
}

.site-header.is-light .header-cta {
  border-color: rgba(34, 26, 19, .25);
}

.header-cta:hover {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.header-cta:active,
.finale__button:active {
  transform: scale(.96);
}

.film {
  position: relative;
  height: 100vh;
  height: 100svh;
  background: var(--ink-deep);
}

.film__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  color: #fff;
  background: #0e0b08;
}

.film__videos,
.film__video,
.film__grade,
.flight-trail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.film__videos {
  transform: scale(1.015) translate3d(var(--pointer-x, 0px), var(--pointer-y, 0px), 0);
  transition: transform 1.2s var(--ease);
  will-change: transform;
  contain: strict;
}

.film__video {
  z-index: 0;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity .32s linear, transform 1.1s var(--ease);
  background: #0e0b08;
}

.film__video.is-active {
  z-index: 2;
  opacity: 1;
  transform: scale(1);
  will-change: opacity, transform;
}

.flight-trail {
  z-index: 4;
  pointer-events: none;
  opacity: .52;
}

.film__grade {
  z-index: 5;
  pointer-events: none;
  background:
    linear-gradient(105deg, rgba(12, 9, 6, .62) 0%, rgba(12, 9, 6, .28) 32%, rgba(12, 9, 6, .04) 58%, transparent 72%),
    linear-gradient(180deg, rgba(8, 6, 4, .38) 0%, transparent 24%, transparent 72%, rgba(8, 6, 4, .4) 100%);
}

.film__frame {
  position: absolute;
  inset: 24px;
  z-index: 8;
  pointer-events: none;
}

.film__frame i {
  position: absolute;
  width: 26px;
  height: 26px;
  opacity: .56;
}

.film__frame i:nth-child(1) { top: 0; left: 0; border-top: 1px solid var(--gold); border-left: 1px solid var(--gold); }
.film__frame i:nth-child(2) { top: 0; right: 0; border-top: 1px solid var(--gold); border-right: 1px solid var(--gold); }
.film__frame i:nth-child(3) { bottom: 0; left: 0; border-bottom: 1px solid var(--gold); border-left: 1px solid var(--gold); }
.film__frame i:nth-child(4) { right: 0; bottom: 0; border-right: 1px solid var(--gold); border-bottom: 1px solid var(--gold); }

/* ——— 中文排版：眉题 < 正文 < 标题 ——— */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: var(--weight-label);
  letter-spacing: var(--track-eyebrow);
  line-height: 1.2;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  flex-shrink: 0;
  background: linear-gradient(90deg, transparent, currentColor);
}

.eyebrow--light {
  color: var(--gold-bright);
}

.eyebrow--light::before {
  background: linear-gradient(90deg, transparent, var(--gold-bright));
}

.film__intro {
  position: absolute;
  z-index: 12;
  top: 50%;
  left: 38%;
  width: min(680px, 72vw);
  display: grid;
  justify-items: start;
  padding: 40px 34px 38px 88px;
  border: 0;
  text-align: left;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  isolation: isolate;
  transform: translate(-50%, -50%);
  transition: opacity .7s var(--ease-soft), transform .9s var(--ease-out), filter .7s var(--ease-soft);
}

.film__intro::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 70px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(212, 179, 106, .82) 22%, rgba(212, 179, 106, .28) 78%, transparent);
  pointer-events: none;
}

.film__intro-art {
  position: absolute;
  top: 50%;
  left: -170px;
  z-index: -1;
  width: min(920px, 80vw);
  max-width: none;
  opacity: 0;
  filter: blur(4px) drop-shadow(0 18px 36px rgba(7, 5, 3, .18));
  transform: translateY(-54%) translateX(-16px) scale(.96);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 78%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0%, #000 78%, transparent 100%);
  pointer-events: none;
}

.film__intro.is-ready:not(.is-hidden) .film__intro-art {
  animation: intro-art-in 1.2s var(--ease-out) 40ms both;
}

.film__intro-mark {
  position: absolute;
  left: -79px;
  bottom: 11px;
  z-index: 2;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--paper);
  font-family: var(--display);
  font-size: 20px;
  font-weight: var(--weight-title);
  line-height: 1;
  text-shadow: 0 2px 8px rgba(74, 10, 7, .65);
  opacity: 0;
  transform: translateY(16px);
  filter: blur(5px);
}

.film__intro.is-ready:not(.is-hidden) .film__intro-mark {
  animation: text-rise .88s var(--ease-out) 40ms both;
}

.film__intro.is-hidden {
  opacity: 0;
  filter: blur(6px);
  transform: translate(-50%, -48%) scale(.985);
  pointer-events: none;
}

.film__intro .intro-line {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(6px);
}

.film__intro.is-ready:not(.is-hidden) .intro-line {
  animation: text-rise .95s var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 120ms + 80ms);
}

.film__intro h1 {
  margin: 22px 0 18px;
  font-family: var(--display);
  font-size: clamp(46px, 5.6vw, 68px);
  font-weight: var(--weight-title);
  line-height: var(--leading-display);
  letter-spacing: var(--track-display);
  text-shadow:
    0 2px 3px rgba(10, 7, 4, .82),
    0 8px 20px rgba(10, 7, 4, .62),
    0 18px 48px rgba(10, 7, 4, .42);
  text-wrap: balance;
}

.film__intro h1 em {
  text-shadow:
    0 2px 3px rgba(10, 7, 4, .88),
    0 8px 22px rgba(10, 7, 4, .68),
    0 0 26px rgba(90, 49, 9, .36);
}

.film__intro h1 em,
.scene-copy h2 em,
.finale h2 em,
.truth__statement em {
  color: var(--gold-bright);
  font-style: normal;
  font-family: inherit;
}

.film__intro p {
  margin: 0;
  color: rgba(247, 243, 236, .78);
  font-family: var(--serif);
  font-size: 14px;
  font-weight: var(--weight-body);
  letter-spacing: .08em;
  line-height: 1.7;
}

.intro-rule {
  display: block;
  width: 48px;
  height: 1px;
  margin-top: 28px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
}

.film__copies {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: var(--shell);
  height: 100%;
  pointer-events: none;
  transform: translateX(-50%);
}

.scene-copy {
  position: absolute;
  top: 50%;
  left: 0;
  display: flex;
  align-items: flex-start;
  gap: 28px;
  width: min(520px, 58vw);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-46%);
  transition:
    opacity .45s var(--ease-soft),
    transform .55s var(--ease-out),
    visibility .45s;
}

.scene-copy.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%);
}

.scene-copy__mark {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding-top: 6px;
  color: var(--gold-bright);
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: .08em;
  writing-mode: vertical-rl;
  opacity: 0;
  transform: translateY(12px);
}

.scene-copy__mark i {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--gold-bright), transparent);
}

.scene-copy__body {
  min-width: 0;
  padding: 22px 26px 24px;
  border: 1px solid rgba(212, 179, 106, .16);
  background:
    linear-gradient(145deg, rgba(18, 14, 10, .42), rgba(18, 14, 10, .18));
  backdrop-filter: blur(14px) saturate(1.05);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
}

.scene-copy__place {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0;
  color: rgba(212, 179, 106, .9);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: var(--weight-label);
  letter-spacing: .12em;
}

.scene-copy__place::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: currentColor;
  opacity: .7;
}

.scene-copy h2 {
  margin: 14px 0 12px;
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: var(--weight-title);
  line-height: var(--leading-display);
  letter-spacing: var(--track-display);
  text-wrap: balance;
  text-shadow: 0 8px 28px rgba(0, 0, 0, .22);
}

.scene-copy p {
  max-width: 28em;
  margin: 0;
  color: rgba(247, 243, 236, .72);
  font-family: var(--serif);
  font-size: 14px;
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

/* Shared journey art direction: live type over a transparent branded accent. */
.scene-copy--art {
  --art-opacity: .44;
  --mark-left: -14px;
  --mark-bottom: 33px;
  width: min(680px, 64vw);
  gap: 0;
  isolation: isolate;
}

.scene-copy--art[data-copy="0"] { --art-opacity: .42; --mark-left: -38px; }
.scene-copy--art[data-copy="1"] { --art-opacity: .34; --mark-left: -76px; --mark-bottom: 55px; }
.scene-copy--art[data-copy="2"] { --art-opacity: .4; --mark-left: -76px; --mark-bottom: 40px; }
.scene-copy--art[data-copy="3"] { --art-opacity: .4; --mark-left: -6px; --mark-bottom: 38px; }
.scene-copy--art[data-copy="4"] { --art-opacity: .4; --mark-left: -38px; --mark-bottom: 74px; }
.scene-copy--art[data-copy="5"] { --art-opacity: .38; --mark-left: -68px; --mark-bottom: -24px; }

.scene-copy--art .scene-copy__art {
  position: absolute;
  top: 50%;
  left: -130px;
  z-index: -1;
  width: min(860px, 74vw);
  max-width: none;
  opacity: 0;
  filter: blur(4px) drop-shadow(0 18px 34px rgba(7, 5, 3, .22));
  transform: translateY(-54%) translateX(-14px) scale(.96);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 76%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0%, #000 76%, transparent 100%);
  pointer-events: none;
}

.scene-copy--art.is-active .scene-copy__art {
  animation: scene-art-in 1.1s var(--ease-out) 50ms both;
}

.scene-copy--art .scene-copy__body {
  position: relative;
  width: 100%;
  padding: 28px 34px 30px 78px;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

.scene-copy--art .scene-copy__body::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 26px;
  left: 61px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(212, 179, 106, .78) 22%, rgba(212, 179, 106, .24) 78%, transparent);
}

.scene-copy--art .scene-copy__mark {
  position: absolute;
  left: var(--mark-left);
  bottom: var(--mark-bottom);
  z-index: 2;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  color: var(--paper);
  font-size: 20px;
  font-weight: var(--weight-title);
  line-height: 1;
  letter-spacing: 0;
  writing-mode: horizontal-tb;
  text-shadow: 0 2px 8px rgba(74, 10, 7, .65);
}

.scene-copy--art .scene-copy__mark i {
  display: none;
}

.scene-copy--art .scene-copy__place {
  color: rgba(240, 204, 125, .92);
  letter-spacing: .16em;
}

.scene-copy--art .scene-copy__place::before {
  width: 34px;
}

.scene-copy--art h2 {
  margin: 18px 0 16px;
  max-width: 11em;
  font-size: clamp(34px, 3.5vw, 48px);
  line-height: 1.22;
  letter-spacing: .08em;
  text-shadow: 0 2px 5px rgba(0, 0, 0, .62), 0 8px 32px rgba(0, 0, 0, .5);
}

.scene-copy--art h2 em {
  display: block;
  margin-top: 3px;
  font-size: 1.08em;
  letter-spacing: .12em;
}

.scene-copy--art p {
  max-width: 31em;
  color: rgba(247, 243, 236, .84);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .78), 0 3px 18px rgba(0, 0, 0, .54);
}

@keyframes scene-art-in {
  from {
    opacity: 0;
    filter: blur(4px) drop-shadow(0 18px 34px rgba(7, 5, 3, .12));
    transform: translateY(-54%) translateX(-14px) scale(.96);
  }
  to {
    opacity: var(--art-opacity);
    filter: blur(0) drop-shadow(0 18px 34px rgba(7, 5, 3, .22));
    transform: translateY(-57%) translateX(0) scale(1);
  }
}

@keyframes intro-art-in {
  from {
    opacity: 0;
    filter: blur(4px) drop-shadow(0 18px 36px rgba(7, 5, 3, .1));
    transform: translateY(-54%) translateX(-16px) scale(.96);
  }
  to {
    opacity: .46;
    filter: blur(0) drop-shadow(0 18px 36px rgba(7, 5, 3, .2));
    transform: translateY(-57%) translateX(0) scale(1);
  }
}

/* Staggered line reveal inside active scene */
.scene-copy .reveal-line,
.scene-copy .scene-copy__mark {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(5px);
  transition:
    opacity .15s linear,
    transform .15s linear,
    filter .15s linear;
}

.scene-copy.is-active .reveal-line,
.scene-copy.is-active .scene-copy__mark {
  animation: text-rise .88s var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 110ms + 40ms);
}

.scene-copy.is-active .scene-copy__mark {
  --i: 0;
  animation-delay: 0ms;
}

.scene-copy.is-active .scene-copy__body .reveal-line {
  animation-delay: calc(var(--i, 0) * 110ms + 90ms);
}

@keyframes text-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.film__hud {
  position: absolute;
  z-index: 12;
  top: 50%;
  right: 40px;
  display: grid;
  justify-items: center;
  gap: 4px;
  transform: translateY(-50%);
}

.film__count {
  display: flex;
  align-items: center;
  gap: 8px;
  writing-mode: vertical-rl;
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}

.film__count strong {
  color: var(--gold-bright);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.film__count i {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, .32);
}

.film__chapters {
  display: grid;
  gap: 10px;
  margin: 14px 0 6px;
  justify-items: center;
}

.film__tick {
  position: relative;
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: border-color .28s var(--ease), background-color .28s var(--ease), transform .2s var(--ease), box-shadow .28s var(--ease);
}

.film__tick::before {
  content: "";
  position: absolute;
  inset: -14px;
}

.film__tick span {
  position: absolute;
  top: 50%;
  right: calc(100% + 14px);
  padding: 5px 10px;
  color: rgba(255, 255, 255, .78);
  border: 1px solid rgba(200, 164, 92, .28);
  border-radius: 999px;
  background: rgba(14, 11, 8, .72);
  backdrop-filter: blur(10px);
  font-size: 10px;
  letter-spacing: .16em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(6px, -50%);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.film__tick:hover,
.film__tick:focus-visible {
  border-color: var(--gold-bright);
  background: rgba(227, 196, 123, .22);
  outline: none;
  transform: scale(1.15);
}

.film__tick:hover span,
.film__tick:focus-visible span,
.film__tick.is-active span {
  opacity: 1;
  transform: translate(0, -50%);
}

.film__tick.is-active {
  border-color: var(--gold-bright);
  background: var(--gold-bright);
  box-shadow: 0 0 16px rgba(227, 196, 123, .55);
}

.film__tick:active {
  transform: scale(.96);
}

.film__progress {
  position: relative;
  width: 2px;
  height: 120px;
  margin: 12px 0 10px;
  overflow: visible;
  background: rgba(255, 255, 255, .18);
  cursor: pointer;
  touch-action: none;
}

.film__progress::before {
  content: "";
  position: absolute;
  inset: -12px -16px;
}

.film__progress i {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gold-bright);
  box-shadow: 0 0 14px var(--gold);
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
}

.film__progress:hover,
.film__progress:focus-visible,
.film__progress.is-dragging {
  outline: none;
  background: rgba(255, 255, 255, .28);
}

.film__progress:focus-visible {
  box-shadow: 0 0 0 1px rgba(227, 196, 123, .5);
}

.film__chapter {
  color: rgba(255, 255, 255, .55);
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
}

.scroll-cue {
  position: absolute;
  z-index: 12;
  bottom: 46px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transform: translateX(-50%);
  transition: opacity .3s;
}

.scroll-cue.is-hidden {
  opacity: 0;
}

.scroll-cue.is-hidden i::after {
  animation-play-state: paused;
}

.scroll-cue span {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(247, 243, 236, .55);
}

.scroll-cue i {
  width: 1px;
  height: 34px;
  overflow: hidden;
  background: rgba(255, 255, 255, .28);
}

.scroll-cue i::after {
  content: "";
  display: block;
  width: 100%;
  height: 45%;
  background: var(--gold-bright);
  animation: scroll-drop 1.6s ease-in-out infinite;
}

@keyframes scroll-drop {
  from { transform: translateY(-120%); }
  to { transform: translateY(280%); }
}

.arrival,
.promise,
.truth,
.platform,
.finale {
  min-height: 100vh;
  min-height: 100svh;
}

.arrival {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background: var(--paper);
}

.arrival::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -10%;
  width: 70vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, .5), transparent);
  transform: rotate(-12deg);
}

.arrival__orb {
  position: absolute;
  top: 50%;
  right: -9vw;
  width: min(62vw, 850px);
  aspect-ratio: 1;
  border: 1px solid rgba(200, 164, 92, .24);
  border-radius: 50%;
  transform: translateY(-50%);
}

.arrival__orb i {
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(200, 164, 92, .24);
  border-radius: inherit;
  animation: orbit-spin 24s linear infinite;
  animation-play-state: paused;
}

.arrival.is-motion-active .arrival__orb i {
  animation-play-state: running;
}

.arrival__orb i:nth-child(2) { inset: 26%; animation-direction: reverse; animation-duration: 18s; }
.arrival__orb i:nth-child(3) { inset: 39%; border-style: solid; animation-duration: 12s; }

.arrival__orb img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110px;
  filter: drop-shadow(0 25px 45px rgba(217, 37, 29, .2));
  transform: translate(-50%, -50%);
}

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}

.arrival__copy {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: calc(100svh - clamp(192px, 27.4svh, 264px));
  flex-direction: column;
  justify-content: center;
}

.arrival h2,
.section-head h2,
.platform__intro h2,
.truth__statement h2,
.finale h2 {
  max-width: 16em;
  margin: 20px 0 36px;
  font-family: var(--display);
  font-size: clamp(30px, 3.8vw, 46px);
  font-weight: var(--weight-title);
  line-height: var(--leading-display);
  letter-spacing: var(--track-display);
  text-wrap: balance;
}

.arrival h2 span,
.section-head h2 span,
.platform__intro h2 span {
  color: var(--red);
  font-style: normal;
}

.arrival__foot {
  display: grid;
  grid-template-columns: minmax(0, 600px) 1fr;
  align-items: end;
  gap: 80px;
}

.arrival__foot > p {
  margin: 0;
  max-width: 32em;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 15px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

.signature {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: .12em;
}

.signature i {
  width: 60px;
  height: 1px;
  background: var(--gold);
}

.promise {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 85% 20%, rgba(200, 164, 92, .11), transparent 30%),
    var(--ink);
}

.promise::before {
  content: "老马三诺";
  position: absolute;
  top: 10%;
  right: -2%;
  color: rgba(247, 243, 236, .025);
  font-family: var(--serif);
  font-size: 22vw;
  font-weight: 900;
  white-space: nowrap;
  writing-mode: vertical-rl;
}

.section-head {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr minmax(200px, 280px);
  align-items: end;
  gap: 48px;
}

.section-head h2 {
  margin-bottom: 0;
}

.section-head > p {
  margin: 0 0 8px;
  color: rgba(247, 243, 236, .55);
  font-family: var(--serif);
  font-size: 14px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

.promise__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: clamp(60px, 9.3svh, 90px);
  perspective: 1200px;
}

.promise,
.truth,
.platform,
.finale {
  content-visibility: auto;
  contain-intrinsic-size: 1px 900px;
}

.promise-card {
  position: relative;
  min-height: clamp(360px, 43.6svh, 420px);
  padding: 36px 32px;
  overflow: hidden;
  outline: none;
  border: 1px solid rgba(200, 164, 92, .22);
  background: linear-gradient(155deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .012));
  transform-style: preserve-3d;
  transition: border-color .4s, background .4s, transform .18s ease-out;
  will-change: transform;
  transition-delay: calc(var(--card-i, 0) * 80ms);
}

.promise-card:hover,
.promise-card:focus-visible {
  border-color: rgba(227, 196, 123, .7);
  background: linear-gradient(145deg, rgba(200, 164, 92, .1), rgba(255, 255, 255, .02));
}

.promise-card::after {
  content: "";
  position: absolute;
  top: -90%;
  left: -35%;
  width: 60%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .08), transparent);
  transform: rotate(18deg);
  transition: left .7s var(--ease);
}

.promise-card:hover::after {
  left: 120%;
}

.promise-card__number {
  color: rgba(247, 243, 236, .32);
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: .1em;
}

.promise-card__seal {
  position: absolute;
  top: 32px;
  right: 32px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 2px;
  font-family: var(--display);
  font-size: 20px;
  font-weight: var(--weight-title);
  letter-spacing: .08em;
  transform: rotate(0deg) translateZ(20px);
  box-shadow: inset 0 0 0 3px rgba(196, 30, 23, .12);
}

.promise-card > p {
  margin: 96px 0 8px;
  color: rgba(247, 243, 236, .48);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .12em;
}

.promise-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: var(--weight-title);
  letter-spacing: var(--track-display);
  line-height: 1.3;
  transform: translateZ(25px);
}

.promise-card__line {
  display: block;
  width: 36px;
  height: 1px;
  margin: 28px 0 20px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform-origin: left;
  transition: transform .5s var(--ease-out);
}

.promise-card:hover .promise-card__line,
.promise-card:focus-visible .promise-card__line {
  transform: scaleX(1.7);
}

.promise-card small {
  display: block;
  max-width: 22em;
  color: rgba(247, 243, 236, .58);
  font-family: var(--serif);
  font-size: 13px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

.truth {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--paper);
}

.truth.section-pad {
  padding-bottom: 0;
}

.truth__route {
  position: absolute;
  top: 8%;
  left: 54%;
  width: 52vw;
  aspect-ratio: 1;
  border: 1px solid rgba(200, 164, 92, .22);
  border-radius: 50%;
}

.truth__route::before,
.truth__route::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(200, 164, 92, .2);
  border-radius: inherit;
}

.truth__route::after {
  inset: 31%;
  border-style: solid;
}

.truth__layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 10vw;
  align-items: start;
  align-self: center;
}

.truth__statement h2 {
  margin: 22px 0 0;
  max-width: 12em;
}

.truth__statement em {
  color: var(--red);
  font-style: normal;
}

.truth__content {
  padding-top: 56px;
}

.truth__content > p {
  margin: 0;
  max-width: 32em;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 15px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

.truth__content blockquote {
  margin: 44px 0 0;
  padding: 20px 0 20px 22px;
  border-left: 1px solid var(--gold);
  font-family: var(--display);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: var(--weight-label);
  line-height: 1.7;
  letter-spacing: var(--track-display);
  color: var(--ink);
}

.truth__marquee {
  margin-top: clamp(72px, 9svh, 108px);
  padding: 22px 0;
  overflow: hidden;
  color: var(--ink);
  border-top: 1px solid rgba(46, 36, 27, .13);
  border-bottom: 1px solid rgba(46, 36, 27, .13);
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 28px);
  letter-spacing: .08em;
  white-space: nowrap;
}

.truth__marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
  animation-play-state: paused;
  will-change: transform;
}

.truth__marquee-group {
  display: flex;
  width: max-content;
  min-width: 100vw;
  flex: none;
  align-items: center;
  justify-content: space-between;
}

.truth__marquee-group > span {
  flex: none;
}

.truth__marquee-group > span::after {
  content: "·";
  margin-inline: 1.15em;
}

.truth.is-motion-active .truth__marquee-track {
  animation-play-state: running;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

.platform {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 50% 47%, rgba(200, 164, 92, .12), transparent 28%),
    var(--ink-deep);
}

.platform.section-pad {
  padding: clamp(76px, 9svh, 96px) 0 clamp(52px, 6svh, 68px);
}

.platform__intro {
  position: relative;
  z-index: 2;
  text-align: center;
}

.platform__intro h2 {
  margin: 22px auto 28px;
  max-width: 16em;
}

.platform__intro h2 span {
  color: var(--gold-bright);
}

.platform__intro > p {
  max-width: 36em;
  margin: 0 auto;
  color: rgba(247, 243, 236, .55);
  font-family: var(--serif);
  font-size: 15px;
  line-height: var(--leading-body);
  letter-spacing: var(--track-body);
}

.platform__stage {
  position: relative;
  display: grid;
  min-height: clamp(330px, 44.5svh, 460px);
  place-items: center;
}

.orbit {
  --orbit-radius: min(19.5svh, 205px);
  position: relative;
  width: calc(var(--orbit-radius) * 2);
  aspect-ratio: 1;
  border-radius: 50%;
}

.orbit__ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(200, 164, 92, .22);
  border-radius: 50%;
}

.orbit__ring::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 18px var(--gold-bright);
}

.orbit__ring--outer {
  animation: orbit-spin 25s linear infinite;
  animation-play-state: paused;
}

.orbit__ring--inner {
  inset: 18%;
  border-style: dashed;
  animation: orbit-spin 19s linear infinite reverse;
  animation-play-state: paused;
}

.platform.is-motion-active .orbit__ring,
.platform.is-motion-active .flow__line i {
  animation-play-state: running;
}

.orbit__core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: clamp(155px, 17svh, 175px);
  aspect-ratio: 1;
  place-content: center;
  justify-items: center;
  border: 1px solid rgba(200, 164, 92, .3);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 164, 92, .17), rgba(34, 26, 19, .75) 65%);
  box-shadow: 0 0 80px rgba(200, 164, 92, .12), inset 0 0 50px rgba(200, 164, 92, .08);
  transform: translate(-50%, -50%);
}

.orbit__core img {
  width: 62px;
  margin-bottom: 12px;
}

.orbit__core strong {
  font-family: var(--latin);
  font-size: 24px;
  font-style: normal;
  letter-spacing: .02em;
}

.orbit__core span {
  margin-top: 6px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .16em;
}

.capability {
  --angle: calc(var(--i) * 40deg - 90deg);
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 92px;
  height: 38px;
  place-items: center;
  color: rgba(247, 243, 236, .8);
  border: 1px solid rgba(200, 164, 92, .32);
  border-radius: 999px;
  background: rgba(23, 17, 12, .8);
  backdrop-filter: blur(10px);
  font-size: 11px;
  letter-spacing: .08em;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateX(var(--orbit-radius)) rotate(calc(var(--angle) * -1));
  transition: color .3s, border-color .3s, box-shadow .3s, transform .3s var(--ease);
}

.capability:hover {
  color: var(--gold-bright);
  border-color: var(--gold-bright);
  box-shadow: 0 0 24px rgba(200, 164, 92, .2);
}

.platform__metrics {
  position: absolute;
  inset: auto 5vw 14% auto;
  display: grid;
  gap: 26px;
}

.platform__metrics div {
  display: grid;
  grid-template-columns: 55px auto;
  align-items: baseline;
  gap: 12px;
}

.platform__metrics strong {
  color: var(--gold-bright);
  font-family: var(--latin);
  font-size: 50px;
  font-weight: var(--weight-title);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.platform__metrics span {
  color: rgba(247, 243, 236, .5);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .06em;
}

.flow {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  padding-top: clamp(28px, 3.4svh, 36px);
  border-top: 1px solid rgba(200, 164, 92, .24);
}

.flow__line {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  overflow: hidden;
}

.flow__line i {
  display: block;
  width: 18%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  animation: flow-line 4s ease-in-out infinite;
  animation-play-state: paused;
}

@keyframes flow-line {
  from { transform: translateX(-100%); }
  to { transform: translateX(550%); }
}

.flow article {
  display: grid;
  gap: 9px;
}

.flow article > span {
  color: var(--gold);
  font-family: var(--latin);
  font-size: 12px;
}

.flow article > span.latin {
  font-style: normal;
  opacity: .7;
  letter-spacing: .06em;
}

.flow strong {
  font-family: var(--display);
  font-size: 17px;
  font-weight: var(--weight-title);
  letter-spacing: var(--track-display);
}

.flow small {
  color: rgba(247, 243, 236, .48);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: var(--track-body);
  line-height: var(--leading-body);
}

.finale {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  color: var(--paper);
  background: #100c08;
}

.finale__canvas,
.finale__glow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.finale__glow {
  background:
    radial-gradient(circle at 50% 48%, rgba(200, 164, 92, .18), transparent 26%),
    radial-gradient(circle at 50% 50%, transparent 0 20%, rgba(23, 17, 12, .3) 55%, rgba(8, 6, 4, .8) 100%);
}

.finale__content {
  position: relative;
  z-index: 2;
  width: min(1000px, calc(100vw - 48px));
  padding: 130px 0;
  text-align: center;
}

.finale__content > img {
  width: 78px;
  margin: 0 auto 30px;
  filter: drop-shadow(0 18px 35px rgba(217, 37, 29, .25));
}

.finale h2 {
  margin: 24px auto 20px;
  max-width: 14em;
}

.finale__content > p {
  margin: 0;
  color: rgba(247, 243, 236, .55);
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: .08em;
  line-height: 1.7;
}

.finale__button {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin-top: 50px;
  padding: 15px 19px 15px 27px;
  color: #fff;
  border: 1px solid rgba(200, 164, 92, .62);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: .06em;
  transition: color .3s, background .3s, border-color .3s, transform .18s var(--ease);
}

.finale__button span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: var(--ink);
  border-radius: 50%;
  background: var(--gold-bright);
}

.finale__button:hover {
  color: var(--ink);
  border-color: var(--gold-bright);
  background: var(--gold-bright);
}

.finale footer {
  position: absolute;
  z-index: 3;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 24px 42px;
  color: rgba(247, 243, 236, .4);
  border-top: 1px solid rgba(200, 164, 92, .16);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .08em;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(4px);
  transition:
    opacity .95s var(--ease-out),
    transform .95s var(--ease-out),
    filter .95s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.reveal-stagger .reveal-child {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(5px);
}

.reveal-stagger.is-visible .reveal-child {
  animation: text-rise .9s var(--ease-out) both;
}

.reveal-stagger.is-visible .reveal-child:nth-child(1) { animation-delay: 40ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(2) { animation-delay: 140ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(3) { animation-delay: 240ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(4) { animation-delay: 340ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(5) { animation-delay: 440ms; }

.promise-card.reveal.is-visible {
  transition-delay: calc(var(--card-i, 0) * 100ms);
}

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1800;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
}

.cursor--dot {
  width: 5px;
  height: 5px;
  background: var(--gold-bright);
}

.cursor--ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(227, 196, 123, .65);
  transition: scale .24s, background-color .24s, border-color .24s;
}

.cursor--ring.is-active {
  scale: 1.588235;
  border-color: rgba(227, 196, 123, .22);
  background-color: rgba(200, 164, 92, .1);
}

.noscript {
  position: fixed;
  z-index: 5000;
  right: 20px;
  bottom: 20px;
  padding: 14px 18px;
  color: #fff;
  background: var(--red);
}

@media (max-width: 1100px) {
  :root { --shell: min(100% - 56px, 980px); }
  .site-header { padding: 0 28px; }
  .site-header nav { gap: 18px; font-size: 12px; }
  .film__hud { right: 28px; }
  .scene-copy { left: 0; }
  .arrival__orb { opacity: .54; }
  .promise__grid { gap: 12px; }
  .promise-card { min-height: 430px; padding: 28px; }
  .promise-card__seal { top: 28px; right: 28px; }
  .platform.section-pad { padding: 68px 0 24px; }
  .platform__intro h2 { margin: 14px auto 18px; }
  .platform__intro > p { font-size: 14px; line-height: 1.7; }
  .platform__metrics { right: 3vw; bottom: 14%; gap: 18px; }
  .platform__metrics strong { font-size: 44px; }
  .flow { padding-top: 22px; }
}

@media (min-width: 761px) and (max-height: 900px) {
  .promise__grid { margin-top: 48px; }
  .promise-card { min-height: 340px; }
  .promise-card > p { margin-top: 68px; }
  .platform.section-pad { padding: 68px 0 24px; }
  .platform__intro h2 { margin: 14px auto 18px; }
  .platform__intro > p { font-size: 14px; line-height: 1.7; }
  .platform__metrics strong { font-size: 44px; }
  .flow { padding-top: 22px; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 36px); }
  .section-pad { padding: 100px 0; }
  .site-header { height: 72px; padding: 0 18px; }
  .brand img { width: 32px; height: 32px; }
  .brand strong { font-size: 22px; }
  .brand small, .header-cta { display: none; }
  .site-header nav { display: none; }
  .site-header { grid-template-columns: 1fr; }
  .film { height: 100vh; height: 100svh; }
  .film__video { object-fit: contain; background: #0e0b08; }
  .film__grade { background: linear-gradient(180deg, rgba(8, 6, 4, .48), transparent 22%, transparent 65%, rgba(8, 6, 4, .45)); }
  .film__frame { inset: 14px; }
  .film__intro { left: 50%; width: calc(100vw - 42px); padding: 28px 14px 28px 58px; }
  .film__intro::before { top: 20px; bottom: 22px; left: 46px; }
  .film__intro-art { left: -42vw; width: 164vw; }
  .film__intro-mark {
    left: 5px;
    bottom: 22px;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(153, 43, 31, .9);
    background: rgba(112, 24, 18, .58);
    box-shadow: inset 0 0 0 3px rgba(216, 126, 92, .08), 0 5px 18px rgba(0, 0, 0, .24);
    color: rgba(249, 232, 211, .96);
    font-size: 16px;
  }
  .film__intro h1 { font-size: clamp(34px, 8.5vw, 44px); }
  .film__intro h1 em { display: block; margin-top: 2px; }
  .film__copies { width: calc(100vw - 42px); }
  .scene-copy {
    top: auto;
    bottom: 96px;
    left: 0;
    width: calc(100vw - 64px);
    gap: 14px;
    transform: translateY(12px);
  }
  .scene-copy.is-active { transform: translateY(0); }
  .scene-copy__mark { font-size: 13px; }
  .scene-copy__mark i { height: 32px; }
  .scene-copy__body { padding: 16px 16px 18px; }
  .scene-copy h2 { margin: 12px 0 10px; font-size: clamp(24px, 6.5vw, 32px); }
  .scene-copy p { font-size: 13px; }
  .scene-copy__place { font-size: 12px; }
  .scene-copy--art { width: calc(100vw - 54px); }
  .scene-copy--art .scene-copy__art { left: -38vw; width: 150vw; opacity: 0; }
  .scene-copy--art .scene-copy__body { padding: 18px 14px 20px 56px; }
  .scene-copy--art .scene-copy__body::before { top: 16px; bottom: 18px; left: 45px; }
  .scene-copy--art .scene-copy__mark {
    left: 5px;
    bottom: 16px;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(153, 43, 31, .9);
    background: rgba(112, 24, 18, .58);
    box-shadow: inset 0 0 0 3px rgba(216, 126, 92, .08), 0 5px 18px rgba(0, 0, 0, .24);
    color: rgba(249, 232, 211, .96);
    font-size: 16px;
  }
  .scene-copy--art h2 { margin: 13px 0 12px; font-size: clamp(25px, 7vw, 32px); }
  .scene-copy--art p { font-size: 12px; }
  .film__hud { top: 50%; right: 14px; opacity: .9; }
  .film__progress { height: 90px; }
  .film__tick span { display: none; }
  .film__chapters { gap: 12px; }
  .film__tick { width: 9px; height: 9px; }
  .grain { opacity: .02; }
  .scroll-cue { bottom: 28px; }
  .arrival { min-height: 100vh; min-height: 100svh; }
  .arrival__copy { min-height: auto; }
  .arrival__orb { top: 17%; right: -34%; width: 100vw; opacity: .35; }
  .arrival__orb img { width: 65px; }
  .arrival h2, .section-head h2, .platform__intro h2, .truth__statement h2, .finale h2 {
    margin: 18px 0 28px;
    font-size: clamp(26px, 7vw, 34px);
  }
  .arrival__foot { grid-template-columns: 1fr; gap: 34px; }
  .section-head { grid-template-columns: 1fr; gap: 28px; }
  .promise__grid { grid-template-columns: 1fr; margin-top: 58px; }
  .promise-card { min-height: 340px; }
  .promise-card > p { margin-top: 72px; }
  .promise-card h3 { font-size: 30px; }
  .truth__layout { grid-template-columns: 1fr; gap: 40px; }

  .truth__content { padding-top: 0; }
  .truth__content blockquote { margin-top: 44px; }
  .truth__marquee { margin-top: 80px; }
  .orbit { width: 80vw; }
  .platform__stage { min-height: 560px; }
  .orbit__core { width: 155px; }
  .orbit__core img { width: 44px; }
  .capability { width: 74px; height: 32px; font-size: 9px; transform: translate(-50%, -50%) rotate(var(--angle)) translateX(40vw) rotate(calc(var(--angle) * -1)); }
  .platform__metrics { position: static; inset: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; width: calc(100vw - 36px); margin-top: -40px; }
  .platform__metrics div { display: grid; grid-template-columns: 1fr; justify-items: center; gap: 4px; text-align: center; }
  .platform__metrics strong { font-size: 38px; }
  .flow { grid-template-columns: 1fr; gap: 28px; margin-top: 64px; }
  .flow article { grid-template-columns: 34px 1fr; }
  .flow small { grid-column: 2; }
  .finale__content { width: calc(100vw - 36px); }

  .finale footer { padding: 18px; }
  .finale footer span:last-child { display: none; }
  .cursor { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .film { height: 100vh; height: 100svh; }
  .reveal,
  .reveal-stagger .reveal-child,
  .scene-copy .reveal-line,
  .scene-copy .scene-copy__mark,
  .film__intro .intro-line {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}