:root {
  --bg: #020202;
  --ink: #f4f0e8;
  --muted: #a9a39a;
  --soft: rgba(244, 240, 232, 0.7);
  --line: rgba(244, 240, 232, 0.16);
  --line-strong: rgba(244, 240, 232, 0.34);
  --panel: rgba(255, 255, 255, 0.045);
  --accent: #dfff4f;
  --cyan: #6fe6ff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: clip;
  --hero-progress: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 12% 6%, rgba(111, 230, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 88% 16%, rgba(223, 255, 79, 0.1), transparent 22rem),
    radial-gradient(circle at 62% 82%, rgba(255, 89, 56, 0.12), transparent 26rem),
    #020202;
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 5px 5px;
}

img,
video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a,
button {
  color: inherit;
}

button {
  padding: 0;
  border: 0;
  font: inherit;
  background: none;
  cursor: pointer;
}

a {
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 24px;
  right: 24px;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.brand,
.main-nav {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(18px);
}

.main-nav {
  background: rgba(2, 2, 2, 0.58);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 106px;
  padding: 0 12px;
  border-color: var(--line);
  background: rgba(2, 2, 2, 0.58);
}

.brand img {
  width: 76px;
  height: auto;
  filter: brightness(0) invert(1);
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  transition: background 160ms ease, color 160ms ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.hero {
  width: min(100% - 48px, 1320px);
  margin: 0 auto;
  padding: 128px 0 86px;
}

.motion-hero {
  width: 100%;
  min-height: 205vh;
  padding: 0;
  overflow: clip;
}

.hero-pin {
  position: sticky;
  top: 0;
  display: grid;
  align-content: center;
  min-height: 100vh;
  padding: 108px max(24px, calc((100vw - 1320px) / 2)) 48px;
  overflow: clip;
}

.hero-copy {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
  transform:
    translateY(calc(var(--hero-progress) * -86px))
    scale(calc(1 - var(--hero-progress) * 0.08));
  transform-origin: center top;
}

.hero-kicker,
.hero-lead,
.hero-actions {
  opacity: 0;
  transform: translateY(30px);
}

.is-ready .hero-kicker {
  animation: editorialRise 1100ms cubic-bezier(0.16, 1, 0.3, 1) 260ms forwards;
}

.is-ready .hero-lead {
  animation: editorialRise 1200ms cubic-bezier(0.16, 1, 0.3, 1) 980ms forwards;
}

.is-ready .hero-actions {
  animation: editorialRise 1200ms cubic-bezier(0.16, 1, 0.3, 1) 1200ms forwards;
}

.hero-title {
  display: grid;
  justify-items: center;
  gap: 0;
}

.title-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}

.title-mask span {
  display: block;
  transform: translateY(112%) scaleX(0.86);
  transform-origin: left center;
  filter: blur(12px);
}

.is-ready .title-mask span {
  animation: titleUnmask 1550ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.is-ready .title-mask:nth-child(2) span {
  animation-delay: 160ms;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  transform: translateY(calc(var(--hero-progress) * 64px));
}

.hero-shot {
  --tx: 0px;
  --ty: 0px;
  --rot-now: var(--rot, 0deg);
  --scale-now: 1;
  position: absolute;
  width: clamp(160px, 17vw, 250px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #050505;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  pointer-events: auto;
  opacity: calc(0.82 - var(--hero-progress) * 0.08);
  transform: translate3d(var(--tx), var(--ty), 0) rotate(var(--rot-now)) scale(var(--scale-now));
  transform-origin: center center;
  transition: box-shadow 300ms ease, border-color 300ms ease;
}

.hero-shot:nth-child(1) { left: 7vw; top: 25vh; --rot: -7deg; }
.hero-shot:nth-child(2) { right: 10vw; top: 17vh; --rot: 6deg; }
.hero-shot:nth-child(3) { left: 18vw; bottom: 13vh; --rot: 4deg; }
.hero-shot:nth-child(4) { right: 20vw; bottom: 9vh; --rot: -4deg; }
.hero-shot:nth-child(5) { left: 50%; top: 9vh; --tx: -50%; --rot: 2deg; }

.hero-shot img {
  transform: scale(calc(1.11 - var(--hero-progress) * 0.04));
  filter: saturate(0.9) contrast(1.04);
}

.hero-shot em {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 2;
  color: var(--ink);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  text-transform: uppercase;
}

.edit-timeline {
  position: relative;
  z-index: 4;
  width: min(100%, 1060px);
  margin: min(58vh, 520px) auto 0;
  padding: 16px;
  border: 1px solid rgba(244, 240, 232, calc(0.12 + var(--hero-progress) * 0.22));
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(2, 2, 2, 0.72);
  opacity: calc(var(--hero-progress) * 1.25);
  transform: translateY(calc((1 - var(--hero-progress)) * 84px));
  backdrop-filter: blur(18px);
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.timeline-ruler {
  height: 24px;
  margin: 12px 0 10px;
  background-image: repeating-linear-gradient(90deg, rgba(244, 240, 232, 0.24) 0 1px, transparent 1px 64px);
  opacity: 0.7;
}

.timeline-track {
  position: relative;
  height: 42px;
  margin-top: 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.timeline-track i {
  position: absolute;
  top: 7px;
  left: var(--x);
  width: calc(var(--w) * var(--hero-progress));
  min-width: calc(18px * var(--hero-progress));
  height: 28px;
  padding: 7px 10px;
  border-radius: 5px;
  color: #111;
  background: var(--accent);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
  overflow: hidden;
}

.audio-track i {
  color: var(--ink);
  background: rgba(111, 230, 255, 0.28);
}

.playhead {
  position: absolute;
  top: 48px;
  bottom: 12px;
  left: calc(18px + (100% - 36px) * var(--hero-progress));
  width: 2px;
  background: var(--ink);
  box-shadow: 0 0 22px rgba(244, 240, 232, 0.65);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-english {
  display: block;
  margin-bottom: 18px;
  color: rgba(244, 240, 232, 0.12);
  font-family: "Arial Black", "PingFang SC", sans-serif;
  font-size: clamp(56px, 12vw, 180px);
  line-height: 0.78;
  letter-spacing: 0;
  text-transform: uppercase;
  transform: translateY(70px) scaleY(0.72);
  transform-origin: left bottom;
  opacity: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Arial Black", "PingFang SC", sans-serif;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  max-width: 1120px;
  margin-bottom: 24px;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.96;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 5.4vw, 76px);
  line-height: 0.98;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.16;
}

p {
  color: var(--soft);
  font-size: 17px;
  line-height: 1.75;
}

.hero-lead {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.primary-action {
  background: var(--ink);
  color: #090909;
}

.secondary-action {
  background: rgba(255, 255, 255, 0.045);
}

.hero-card,
.wide-board {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
}

.hero-card {
  margin: 0;
  aspect-ratio: 16 / 9;
}

.wide-board img,
.image-panel img,
.prompt-card img,
.pain-visual img {
  object-fit: contain;
  background: #080808;
}

.image-panel.cinematic img,
.hero-card img,
.prompt-card video,
.pain-visual video,
.media-chip img {
  object-fit: cover;
}

.hero-media-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.media-chip,
.film-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101010;
  text-align: left;
}

.media-chip {
  aspect-ratio: 16 / 9;
}

.media-chip::after,
.film-preview::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.05), transparent 48%, rgba(0, 0, 0, 0.48));
}

.media-chip span {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 1;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.chapter,
.film-strip,
.closing {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  padding: 112px 0;
  scroll-margin-top: 128px;
}

.chapter-heading {
  max-width: 860px;
  margin-bottom: 48px;
}

.chapter-heading .chapter-intro {
  max-width: 940px;
  margin-top: 28px;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.76;
}

.chapter-heading > p:not(.eyebrow):not(.chapter-intro) {
  max-width: 940px;
  margin-top: 28px;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.76;
}

.paired-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(420px, 1.14fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 28px;
}

.paired-section.reverse {
  grid-template-columns: minmax(420px, 1.14fr) minmax(300px, 0.86fr);
}

.paired-section.reverse .copy-panel {
  order: 2;
}

.paired-section.reverse .image-panel {
  order: 1;
}

.paired-section.compact {
  align-items: center;
}

.source-text-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.copy-panel,
.prompt-card,
.pain-row,
.film-strip,
.closing {
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.025);
}

.copy-panel {
  min-height: 0;
  padding: clamp(30px, 4.6vw, 56px);
}

.copy-panel.source-only {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: flex-start;
}

.copy-panel.source-only h3 {
  margin-bottom: 22px;
  font-size: clamp(28px, 2.8vw, 40px);
}

.copy-panel.source-only p {
  max-width: 650px;
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.72;
}

.copy-panel.source-only p:last-child {
  margin-bottom: 0;
}

.storyboard-detail .copy-panel {
  min-height: 0;
}

.storyboard-detail {
  margin-bottom: 32px;
}

.storyboard-detail .copy-panel {
  display: grid;
  gap: 30px;
}

.section-lead p {
  margin-bottom: 0;
  font-size: clamp(18px, 1.75vw, 22px);
  line-height: 1.78;
}

.doc-point-list {
  display: grid;
  gap: 12px;
  margin-top: 0;
}

.doc-point-list article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border: 1px solid var(--line);
  border-width: 1px 0 0;
  border-radius: 0;
  background: transparent;
}

.doc-point-list article::before {
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
}

.doc-point-list article:nth-child(1)::before {
  content: "01";
}

.doc-point-list article:nth-child(2)::before {
  content: "02";
}

.doc-point-list article:nth-child(3)::before {
  content: "03";
}

.doc-point-list strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.3;
}

.doc-point-list p {
  grid-column: 2;
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.72;
}

.section-num {
  display: block;
  margin-bottom: 34px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.image-panel {
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #080808;
}

.ui-flow,
.rhythm-board,
.prompt-system,
.ui-mini-flow {
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.025);
}

.ui-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 20px;
}

.ui-flow::before {
  position: absolute;
  top: 50%;
  left: 36px;
  right: 36px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(223, 255, 79, 0.5), transparent);
}

.flow-node {
  position: relative;
  z-index: 1;
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 2, 2, 0.58);
}

.flow-node span,
.prompt-system span {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.flow-node strong,
.prompt-system strong {
  display: block;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.1;
}

.flow-node em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}

.flow-node.active {
  border-color: rgba(223, 255, 79, 0.58);
  background: linear-gradient(145deg, rgba(223, 255, 79, 0.16), rgba(255, 255, 255, 0.04));
}

.rhythm-board {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(320px, 1.15fr);
  gap: 22px;
  align-items: end;
  min-height: 360px;
  padding: 26px;
}

.rhythm-section {
  margin: 36px 0 34px;
}

.rhythm-copy strong {
  display: block;
  max-width: 420px;
  color: var(--ink);
  font-size: clamp(24px, 2.6vw, 36px);
  line-height: 1.08;
}

.rhythm-copy .section-num {
  margin-bottom: 20px;
}

.rhythm-copy h3 {
  max-width: 440px;
  margin-bottom: 20px;
  font-size: clamp(30px, 3.2vw, 46px);
}

.rhythm-copy p {
  display: block;
  margin-top: 18px;
  color: var(--soft);
  font-size: 16px;
  line-height: 1.7;
}

.rhythm-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 14px;
  min-height: 230px;
  padding-top: 30px;
  border-bottom: 1px solid var(--line-strong);
}

.rhythm-track i {
  position: relative;
  display: flex;
  align-items: end;
  justify-content: center;
  height: var(--h);
  min-height: 48px;
  padding: 10px 6px;
  border-radius: 8px 8px 0 0;
  color: rgba(244, 240, 232, 0.82);
  background: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.rhythm-track i.peak {
  color: #111;
  background: var(--accent);
}

.act-showcase {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.material-block {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.062), rgba(255, 255, 255, 0.022)),
    rgba(255, 255, 255, 0.025);
}

.material-heading {
  display: block;
  margin-bottom: 24px;
}

.material-heading span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  font-weight: 900;
}

.material-heading h3 {
  max-width: 920px;
  margin-bottom: 0;
  font-size: clamp(28px, 3vw, 42px);
  text-align: left;
}

.material-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.material-copy p {
  margin-bottom: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 2, 2, 0.34);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.72;
}

.material-copy strong {
  color: var(--ink);
}

.media-grid,
.inline-media-grid {
  display: grid;
  gap: 12px;
}

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

.media-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-tile {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080808;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.28);
}

.media-tile img,
.media-tile video {
  object-fit: cover;
}

.media-tile video {
  object-fit: contain;
  background: #050505;
}

.media-tile::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.06), transparent 42%, rgba(0, 0, 0, 0.18));
  pointer-events: none;
}

.media-wide {
  margin-top: 12px;
}

.pain-four-layout > .media-wide {
  margin-top: 0;
}

.film-strip {
  width: 100%;
  max-width: none;
  padding: 86px max(24px, calc((100vw - var(--max)) / 2));
  border-inline: 0;
  border-radius: 0;
}

.film-copy {
  max-width: 860px;
  margin-bottom: 34px;
}

.film-note {
  max-width: 680px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
}

.film-player {
  position: relative;
  display: block;
  overflow: hidden;
  width: min(100%, 1080px);
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #050505;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.42);
}

.film-player video {
  object-fit: contain;
}

.film-player::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.06), transparent 52%, rgba(0, 0, 0, 0.48));
  pointer-events: none;
}

.film-player span {
  position: absolute;
  left: 22px;
  bottom: 20px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(2, 2, 2, 0.62);
  font-size: 12px;
  font-weight: 900;
}

.film-copy h2 {
  max-width: 900px;
}

.film-note span {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.film-note p {
  margin-bottom: 0;
}

.film-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.86fr 0.86fr;
  gap: 14px;
}

.film-preview {
  aspect-ratio: 16 / 9;
}

.film-preview:first-child {
  grid-row: auto;
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.wide-board {
  width: 100%;
  margin-bottom: 18px;
}

.wide-board img {
  max-height: 620px;
}

.prompt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.source-prompt-grid {
  align-items: stretch;
}

.prompt-system {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
  padding: 16px;
}

.prompt-system article {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 2, 2, 0.52);
}

.prompt-system p {
  margin: 14px 0 0;
  font-size: 14px;
}

.prompt-card {
  overflow: hidden;
}

.prompt-card.source-only {
  display: grid;
  min-height: 0;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  padding: clamp(28px, 4vw, 44px);
}

.prompt-card.source-only .section-num {
  margin-bottom: 24px;
}

.prompt-copy h3,
.prompt-copy p {
  padding: 0;
}

.prompt-copy p {
  margin-bottom: 14px;
  font-size: 16px;
  line-height: 1.72;
}

.prompt-copy .step-summary {
  color: var(--ink);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
}

.quote-line {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.58;
}

.prompt-card.source-only .inline-media-grid {
  grid-column: 1;
  max-width: 840px;
  margin-top: 0;
  padding-top: 0;
}

.prompt-template {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.prompt-template span {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--soft);
  background: rgba(2, 2, 2, 0.4);
  font-size: 13px;
  line-height: 1.55;
}

.prompt-card button {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--line);
  background: #090909;
}

.pain-list {
  display: grid;
  gap: 18px;
}

.source-pain-list {
  display: grid;
  gap: 22px;
}

.pain-card-source {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
  min-height: 0;
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.025);
}

.pain-card-source span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.pain-card-source h3 {
  margin-bottom: 0;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.08;
}

.pain-card-source p {
  grid-column: 1;
  margin-bottom: 0;
  max-width: 900px;
  color: var(--ink);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.68;
}

.pain-card-source p strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: inherit;
  letter-spacing: 0;
  text-transform: none;
}

.compact-list {
  grid-column: 1;
  margin: 2px 0 0;
  padding-left: 18px;
  color: var(--soft);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.68;
}

.compact-list li + li {
  margin-top: 8px;
}

.pain-media {
  grid-column: 1;
  max-width: 980px;
  margin-top: 14px;
}

.pain-four-layout {
  display: grid;
  gap: 12px;
}

.pain-row {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 14px;
}

.pain-row > div {
  padding: 22px 20px 22px 0;
}

.pain-row span {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.pain-visual {
  overflow: hidden;
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #090909;
}

.ui-mini-flow {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  align-content: center;
  padding: 24px;
}

.ui-mini-flow span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(2, 2, 2, 0.6);
  font-size: 14px;
  font-weight: 900;
}

.closing {
  display: grid;
  justify-items: center;
  margin-bottom: 48px;
  padding: 60px clamp(24px, 6vw, 72px);
  text-align: center;
}

.closing h2 {
  margin: 0 auto 20px;
  max-width: 940px;
  line-height: 1.08;
  text-align: center;
}

.closing p {
  max-width: 760px;
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(12px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-stage {
  width: min(1120px, 94vw);
  max-height: 86vh;
}

.lightbox-stage img,
.lightbox-stage video {
  width: 100%;
  max-height: 86vh;
  object-fit: contain;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #050505;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(84px) scale(0.98);
  clip-path: inset(16% 0 0 0);
  transition:
    opacity 1100ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 1100ms cubic-bezier(0.16, 1, 0.3, 1),
    clip-path 1100ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  clip-path: inset(0 0 0 0);
}

.reveal.is-visible .section-english {
  animation: sectionTitleIn 1350ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.source-text-grid .reveal,
.act-showcase .reveal,
.source-pain-list .reveal,
.prompt-grid .reveal {
  transition-delay: calc(var(--stagger, 0) * 90ms);
}

.media-tile img,
.media-tile video,
.film-player video {
  transform: translateY(var(--parallax-y, 0px)) scale(1.045);
  transition: transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

.media-tile,
.film-player,
.copy-panel,
.prompt-card,
.pain-card-source,
.material-block {
  transform-style: preserve-3d;
}

.border-glow {
  --edge-proximity: 0;
  --cursor-angle: 45deg;
  --edge-sensitivity: 30;
  --color-sensitivity: 48;
  --cone-spread: 24;
  --glow-padding: 18px;
  --fill-opacity: 0.32;
  --card-bg: rgba(2, 2, 2, 0.62);
  position: relative;
  isolation: isolate;
}

.border-glow::before,
.border-glow::after,
.border-glow > .edge-light {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  border-radius: inherit;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.border-glow > :not(.edge-light) {
  position: relative;
  z-index: 1;
}

.border-glow:not(:hover):not(.sweep-active)::before,
.border-glow:not(:hover):not(.sweep-active)::after,
.border-glow:not(:hover):not(.sweep-active) > .edge-light {
  opacity: 0;
}

.border-glow::before {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
    radial-gradient(at 80% 55%, #dfff4f 0, transparent 52%) border-box,
    radial-gradient(at 18% 12%, #6fe6ff 0, transparent 52%) border-box,
    radial-gradient(at 78% 20%, #ff7959 0, transparent 54%) border-box;
  opacity: calc((var(--edge-proximity) - var(--color-sensitivity)) / (100 - var(--color-sensitivity)));
  mask-image:
    conic-gradient(
      from var(--cursor-angle) at center,
      black calc(var(--cone-spread) * 1%),
      transparent calc((var(--cone-spread) + 15) * 1%),
      transparent calc((100 - var(--cone-spread) - 15) * 1%),
      black calc((100 - var(--cone-spread)) * 1%)
    );
}

.border-glow::after {
  background:
    radial-gradient(at 82% 20%, rgba(223, 255, 79, 0.34), transparent 52%),
    radial-gradient(at 12% 12%, rgba(111, 230, 255, 0.22), transparent 58%),
    radial-gradient(at 78% 86%, rgba(255, 121, 89, 0.18), transparent 54%);
  opacity: calc(var(--fill-opacity) * (var(--edge-proximity) - var(--color-sensitivity)) / (100 - var(--color-sensitivity)));
  mix-blend-mode: soft-light;
}

.border-glow > .edge-light {
  inset: calc(var(--glow-padding) * -1);
  opacity: calc((var(--edge-proximity) - var(--edge-sensitivity)) / (100 - var(--edge-sensitivity)));
  mix-blend-mode: plus-lighter;
  mask-image:
    conic-gradient(from var(--cursor-angle) at center, black 3%, transparent 12%, transparent 88%, black 97%);
}

.border-glow > .edge-light::before {
  position: absolute;
  inset: var(--glow-padding);
  border-radius: inherit;
  content: "";
  box-shadow:
    inset 0 0 0 1px rgba(223, 255, 79, 0.75),
    inset 0 0 24px rgba(111, 230, 255, 0.16),
    0 0 32px rgba(223, 255, 79, 0.22),
    0 0 70px rgba(111, 230, 255, 0.12);
}

.border-glow.sweep-active::before,
.border-glow.sweep-active::after,
.border-glow.sweep-active > .edge-light {
  animation: glowSweep 1300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes titleUnmask {
  0% {
    transform: translateY(112%) scaleX(0.84);
    filter: blur(12px);
  }
  56% {
    transform: translateY(0) scaleX(0.84);
    filter: blur(3px);
  }
  100% {
    transform: translateY(0) scaleX(1);
    filter: blur(0);
  }
}

@keyframes editorialRise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sectionTitleIn {
  0% {
    opacity: 0;
    transform: translateY(70px) scaleY(0.72);
  }
  52% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translateY(0) scaleY(1);
  }
}

@keyframes glowSweep {
  0% {
    --edge-proximity: 0;
    --cursor-angle: 110deg;
  }
  45% {
    --edge-proximity: 100;
    --cursor-angle: 250deg;
  }
  100% {
    --edge-proximity: 0;
    --cursor-angle: 465deg;
  }
}

.delay-1 {
  transition-delay: 90ms;
}

.delay-2 {
  transition-delay: 170ms;
}

@media (max-width: 920px) {
  .site-header {
    left: 14px;
    right: 14px;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .chapter,
  .closing {
    width: min(100% - 28px, var(--max));
  }

  .hero {
    padding-top: 104px;
  }

  .motion-hero {
    min-height: 150vh;
  }

  .hero-pin {
    padding: 96px 14px 34px;
  }

  .hero-stage {
    opacity: 0.72;
  }

  .hero-shot {
    width: clamp(120px, 32vw, 180px);
  }

  .hero-shot:nth-child(3),
  .hero-shot:nth-child(4) {
    display: none;
  }

  .edit-timeline {
    margin-top: 54vh;
    padding: 12px;
  }

  .timeline-head {
    font-size: 9px;
  }

  .hero-media-row,
  .paired-section,
  .paired-section.reverse,
  .section-icon-board,
  .source-text-grid,
  .storyboard-detail .copy-panel,
  .rhythm-section .section-brief,
  .material-copy,
  .media-grid-2,
  .media-grid-3,
  .inline-media-grid,
  .prompt-grid,
  .prompt-card.source-only,
  .prompt-system,
  .pain-row,
  .pain-card-source,
  .film-grid {
    grid-template-columns: 1fr;
  }

  .paired-section.reverse .copy-panel,
  .paired-section.reverse .image-panel {
    order: initial;
  }

  .copy-panel,
  .image-panel {
    min-height: 0;
  }

  .section-num {
    margin-bottom: 34px;
  }

  .film-preview:first-child {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .pain-row {
    gap: 16px;
  }

  .ui-flow,
  .rhythm-board {
    grid-template-columns: 1fr;
  }

  .ui-flow::before {
    display: none;
  }

  .pain-row > div {
    padding: 8px 8px 18px;
  }

  .copy-panel.source-only {
    min-height: 0;
  }

  .prompt-card.source-only .inline-media-grid,
  .prompt-template,
  .pain-card-source p,
  .compact-list {
    grid-column: 1;
  }

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

  .pain-card-source h3 {
    font-size: clamp(26px, 8vw, 38px);
  }

  .pain-card-source {
    gap: 12px;
  }

  .material-heading {
    display: block;
  }

  .material-heading h3 {
    margin-top: 12px;
    text-align: left;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(44px, 12vw, 68px);
  }

  h2 {
    font-size: clamp(34px, 11vw, 52px);
  }

  p {
    font-size: 15px;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .chapter,
  .film-strip,
  .closing {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .section-english {
    font-size: clamp(48px, 18vw, 86px);
  }

  .title-mask {
    max-width: 100%;
  }

  .hero-shot:nth-child(2),
  .hero-shot:nth-child(5) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .motion-hero {
    min-height: 100vh;
  }

  .hero-pin {
    position: relative;
  }

  .hero-stage,
  .edit-timeline {
    display: none;
  }
}

/* Ponder-like monochrome direction: quiet portfolio tone, content first. */
:root {
  --bg: #020202;
  --ink: #f6f3ec;
  --muted: #aaa49a;
  --soft: rgba(246, 243, 236, 0.72);
  --line: rgba(246, 243, 236, 0.16);
  --line-strong: rgba(246, 243, 236, 0.34);
  --panel: rgba(255, 255, 255, 0.042);
  --accent: #d8d3c8;
  --cyan: #f6f3ec;
}

body::before {
  background:
    radial-gradient(circle at 14% 14%, rgba(255, 255, 255, 0.08), transparent 32rem),
    radial-gradient(circle at 84% 8%, rgba(255, 255, 255, 0.055), transparent 26rem),
    radial-gradient(circle at 50% 90%, rgba(255, 255, 255, 0.045), transparent 30rem),
    #020202;
}

.page-noise {
  opacity: 0.045;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 6px 6px;
}

.site-header {
  top: 20px;
  left: 28px;
  right: 28px;
}

.brand {
  width: 112px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
}

.brand img {
  width: 92px;
  filter: brightness(0) invert(1);
}

.main-nav {
  min-height: 44px;
  border-color: rgba(246, 243, 236, 0.18);
  background: rgba(2, 2, 2, 0.72);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.3);
}

.main-nav a {
  color: rgba(246, 243, 236, 0.6);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.085);
}

.motion-hero {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.motion-hero::before,
.motion-hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  pointer-events: none;
}

.motion-hero::before {
  background:
    linear-gradient(90deg, rgba(2, 2, 2, 0.88), rgba(2, 2, 2, 0.48) 44%, rgba(2, 2, 2, 0.9)),
    linear-gradient(180deg, rgba(2, 2, 2, 0.42), rgba(2, 2, 2, 0.74) 72%, #020202);
}

.motion-hero::after {
  background:
    radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.08), transparent 28rem),
    linear-gradient(180deg, transparent 76%, #020202);
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: grayscale(1) contrast(1.08) brightness(0.72);
  transform: scale(1.04);
}

.hero-pin {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding-top: 118px;
  padding-bottom: 72px;
}

.hero-copy {
  transform: none;
}

.hero-title {
  max-width: 1120px;
  text-shadow: 0 24px 90px rgba(0, 0, 0, 0.72);
}

.hero-lead {
  color: rgba(246, 243, 236, 0.76);
}

.hero-stage,
.edit-timeline,
.section-english {
  display: none !important;
}

.eyebrow,
.section-num,
.doc-point-list article::before,
.material-heading span,
.flow-node span,
.prompt-system span,
.pain-card-source > span,
.closing .eyebrow {
  color: var(--accent);
}

.eyebrow {
  color: rgba(246, 243, 236, 0.72);
}

.section-num {
  color: rgba(246, 243, 236, 0.82);
}

.primary-action {
  border-color: var(--ink);
  background: var(--ink);
  color: #050505;
}

.secondary-action {
  border-color: rgba(246, 243, 236, 0.28);
  background: rgba(255, 255, 255, 0.035);
}

.copy-panel,
.prompt-card,
.pain-row,
.film-strip,
.closing,
.material-block,
.rhythm-board,
.media-tile,
.film-player {
  border-color: rgba(246, 243, 236, 0.15);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.058), rgba(255, 255, 255, 0.018)),
    rgba(255, 255, 255, 0.02);
}

.material-copy p,
.prompt-template span,
.doc-point-list article,
.compact-list,
.pain-card-source p {
  border-color: rgba(246, 243, 236, 0.14);
}

.ui-flow::before {
  background: linear-gradient(90deg, transparent, rgba(246, 243, 236, 0.34), transparent);
}

.flow-node.active {
  border-color: rgba(246, 243, 236, 0.38);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.095), rgba(255, 255, 255, 0.026));
}

.rhythm-track i {
  color: rgba(246, 243, 236, 0.8);
  background: rgba(255, 255, 255, 0.11);
}

.rhythm-track i.peak {
  color: #050505;
  background: var(--ink);
}

.pain-card-source p strong,
.material-copy strong {
  color: var(--ink);
}

.border-glow {
  --card-bg: rgba(2, 2, 2, 0.72);
  --fill-opacity: 0.18;
}

.border-glow::before {
  background:
    linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
    radial-gradient(at 80% 55%, rgba(246, 243, 236, 0.95) 0, transparent 54%) border-box,
    radial-gradient(at 18% 12%, rgba(246, 243, 236, 0.42) 0, transparent 56%) border-box;
}

.border-glow::after {
  background:
    radial-gradient(at 82% 20%, rgba(246, 243, 236, 0.16), transparent 54%),
    radial-gradient(at 12% 12%, rgba(246, 243, 236, 0.1), transparent 60%);
}

.border-glow > .edge-light::before {
  box-shadow:
    inset 0 0 0 1px rgba(246, 243, 236, 0.72),
    inset 0 0 24px rgba(246, 243, 236, 0.12),
    0 0 34px rgba(246, 243, 236, 0.18),
    0 0 76px rgba(246, 243, 236, 0.08);
}

@media (max-width: 920px) {
  .motion-hero {
    min-height: 100vh;
  }

  .hero-pin {
    padding: 104px 18px 54px;
  }

  .hero-bg-video {
    opacity: 0.2;
  }
}

/* Refinement pass: quieter typography, clearer film background, lighter information density. */
.motion-hero::before {
  background:
    linear-gradient(90deg, rgba(2, 2, 2, 0.54), rgba(2, 2, 2, 0.28) 44%, rgba(2, 2, 2, 0.62)),
    linear-gradient(180deg, rgba(2, 2, 2, 0.16), rgba(2, 2, 2, 0.44) 70%, #020202);
}

.motion-hero::after {
  background:
    radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.03), transparent 28rem),
    linear-gradient(180deg, transparent 74%, #020202);
}

.hero-bg-video {
  opacity: 0.56;
  filter: grayscale(0.42) contrast(1.02) brightness(1.04);
}

.hero-copy {
  max-width: 980px;
}

h1,
h2,
h3 {
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 850;
}

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 1.02;
}

h2 {
  font-size: clamp(34px, 4.7vw, 64px);
  line-height: 1.06;
}

h3 {
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.22;
}

p {
  color: rgba(246, 243, 236, 0.68);
  font-size: 16px;
  line-height: 1.82;
}

.hero-kicker {
  margin-bottom: 20px;
  font-size: 11px;
  color: rgba(246, 243, 236, 0.66);
}

.hero-lead {
  max-width: 760px;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.72;
}

.main-nav {
  align-items: center;
  gap: 3px;
  padding: 4px 7px;
}

.main-nav a {
  transform: translateY(var(--dock-lift, 0)) scale(var(--dock-scale, 1));
  transform-origin: center;
  background: rgba(255, 255, 255, var(--dock-alpha, 0));
  transition:
    transform 260ms cubic-bezier(0.16, 1, 0.3, 1),
    background 260ms cubic-bezier(0.16, 1, 0.3, 1),
    color 180ms ease;
}

.chapter,
.film-strip,
.closing {
  padding-top: 100px;
  padding-bottom: 100px;
}

.chapter-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.chapter-heading .chapter-intro {
  max-width: 760px;
  margin-top: 22px;
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.78;
}

.source-text-grid {
  gap: 18px;
}

.copy-panel,
.material-block,
.prompt-card.source-only,
.pain-card-source {
  border-radius: 8px;
}

.copy-panel.source-only {
  padding: clamp(30px, 4vw, 48px);
}

.copy-panel.source-only h3 {
  font-size: clamp(25px, 2.3vw, 34px);
}

.copy-panel.source-only p,
.section-lead p {
  font-size: clamp(17px, 1.45vw, 20px);
}

.section-num,
.material-heading span,
.pain-card-source > span {
  font-size: 11px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.rhythm-board {
  min-height: 310px;
  padding: clamp(26px, 4vw, 42px);
}

.rhythm-copy h3 {
  font-size: clamp(27px, 2.7vw, 38px);
}

.rhythm-copy strong {
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.16;
}

.material-block {
  padding: clamp(28px, 4.4vw, 56px);
}

.material-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.material-heading span {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding-bottom: 0;
  border-bottom: 0;
  color: rgba(246, 243, 236, 0.68);
  font-size: 12px;
  line-height: 1;
}

.material-heading h3 {
  max-width: 860px;
  font-size: clamp(28px, 2.8vw, 40px);
  line-height: 1.16;
}

.material-copy {
  gap: 28px;
  margin-bottom: 28px;
}

.material-copy p {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(246, 243, 236, 0.68);
  font-size: clamp(16px, 1.32vw, 18px);
  line-height: 1.82;
}

.material-copy strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: rgba(246, 243, 236, 0.92);
}

.act-showcase {
  gap: 18px;
}

.media-grid,
.inline-media-grid {
  gap: 14px;
}

.media-tile {
  border-radius: 7px;
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.24);
}

.media-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(246, 243, 236, 0.28);
}

.prompt-card.source-only {
  padding: clamp(30px, 4.4vw, 52px);
}

.prompt-copy p,
.quote-line,
.prompt-template span {
  font-size: 15px;
}

.pain-card-source {
  gap: 14px;
  padding: clamp(30px, 4.4vw, 56px);
}

.pain-card-source h3 {
  max-width: 880px;
  font-size: clamp(27px, 2.55vw, 38px);
  line-height: 1.18;
}

.pain-card-source p,
.compact-list {
  max-width: 900px;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.78;
}

.pain-card-source p strong {
  margin-bottom: 7px;
  font-size: 13px;
  color: rgba(246, 243, 236, 0.9);
}

.closing {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.closing .eyebrow,
.closing h2,
.closing p {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.closing h2 {
  max-width: 820px;
  font-size: clamp(38px, 5vw, 70px);
  line-height: 1.08;
}

.closing p:last-child {
  max-width: 680px;
  margin-bottom: 0;
}

@media (max-width: 920px) {
  h1 {
    font-size: clamp(42px, 11vw, 66px);
  }

  .hero-bg-video {
    opacity: 0.42;
  }

  .material-copy {
    gap: 14px;
  }
}