:root {
  --ink: #07111f;
  --ink-soft: #243246;
  --muted: #64748b;
  --blue: #087df5;
  --cyan: #17d7e8;
  --lime: #9cf57a;
  --paper: #f5f8fb;
  --white: #ffffff;
  --line: rgba(12, 35, 62, 0.12);
  --dark: #05111e;
  --dark-soft: #0a1c2e;
  --max: 1240px;
  --shadow: 0 30px 90px rgba(7, 25, 47, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

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

.section-shell {
  width: calc(100% - 48px);
  width: min(calc(100% - 48px), var(--max));
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  margin-inline: auto;
}

.page-aurora {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.36;
}

.page-aurora span:nth-child(1) {
  width: 420px;
  height: 420px;
  top: 40px;
  right: -160px;
  background: rgba(23, 215, 232, 0.34);
}

.page-aurora span:nth-child(2) {
  width: 520px;
  height: 520px;
  top: 620px;
  left: -340px;
  background: rgba(8, 125, 245, 0.2);
}

.page-aurora span:nth-child(3) {
  width: 340px;
  height: 340px;
  top: 1580px;
  right: -220px;
  background: rgba(156, 245, 122, 0.22);
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 18px;
  left: 50%;
  display: flex;
  width: calc(100% - 48px);
  width: min(calc(100% - 48px), var(--max));
  max-width: var(--max);
  height: 68px;
  align-items: center;
  gap: 24px;
  padding: 8px 10px 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background: rgba(248, 251, 253, 0.72);
  box-shadow: 0 18px 50px rgba(6, 25, 46, 0.09);
  backdrop-filter: blur(22px) saturate(1.35);
  transform: translateX(-50%);
  transition: top 240ms ease, background 240ms ease, box-shadow 240ms ease;
}

.site-header.is-scrolled {
  top: 8px;
  background: rgba(248, 251, 253, 0.92);
  box-shadow: 0 16px 44px rgba(6, 25, 46, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
  color: #34445a;
  font-size: 14px;
  font-weight: 700;
}

.desktop-nav a {
  transition: color 180ms ease;
}

.desktop-nav a:hover {
  color: var(--blue);
}

.header-download {
  display: inline-flex;
  height: 48px;
  align-items: center;
  padding: 0 23px;
  border-radius: 15px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease;
}

.header-download:hover {
  background: var(--blue);
  transform: translateY(-1px);
}

.menu-button,
.mobile-menu {
  display: none;
}

.hero {
  display: grid;
  min-height: 820px;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 44px;
  padding-top: 132px;
  padding-bottom: 44px;
}

.hero-copy {
  position: relative;
  z-index: 4;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: #3f5874;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 30px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.hero h1,
.section-heading h2,
.harmony-copy h2,
.download-copy h2 {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 1.04;
}

.hero h1 {
  font-size: 78px;
  font-size: clamp(54px, 5.35vw, 78px);
}

.hero h1 em {
  color: #087df5;
  font-style: normal;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero h1 em {
    background-image: linear-gradient(105deg, #0b74ee 4%, #08badb 52%, #37c98a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.hero-lead {
  max-width: 580px;
  margin: 30px 0 0;
  color: #52657c;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.primary-button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 0 27px;
  border-radius: 18px;
  background: linear-gradient(110deg, #0a76ee, #00add8);
  box-shadow: 0 18px 38px rgba(8, 125, 245, 0.22);
  color: var(--white);
  font-size: 15px;
  font-weight: 850;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.primary-button:hover {
  box-shadow: 0 22px 48px rgba(8, 125, 245, 0.3);
  transform: translateY(-2px);
}

.primary-button b {
  font-size: 20px;
  font-weight: 500;
}

.text-button {
  color: #263a52;
  font-size: 14px;
  font-weight: 800;
}

.text-button span {
  display: inline-block;
  margin-left: 7px;
  color: var(--blue);
  transition: transform 180ms ease;
}

.text-button:hover span {
  transform: translateY(3px);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.hero-tags span {
  padding: 9px 12px;
  border: 1px solid rgba(6, 37, 68, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: #5f7186;
  font-size: 12px;
  font-weight: 750;
  backdrop-filter: blur(10px);
}

.hero-stage {
  position: relative;
  min-height: 650px;
  perspective: 1500px;
}

.poster-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  top: 64px;
  left: 50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29, 188, 229, 0.3), rgba(8, 125, 245, 0.09) 50%, transparent 72%);
  filter: blur(12px);
  transform: translateX(-50%);
}

.device {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 7px solid #142233;
  border-radius: 32px;
  background: #0b1725;
  box-shadow: 0 38px 90px rgba(5, 22, 42, 0.26);
}

.device::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 24px;
  content: "";
  pointer-events: none;
}

.device img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.device-main {
  z-index: 3;
  width: 292px;
  height: 630px;
  top: 10px;
  left: 50%;
  transform: translateX(-50%) rotate(-1deg);
}

.device-left,
.device-right {
  z-index: 1;
  width: 224px;
  height: 484px;
  top: 88px;
  filter: saturate(0.88);
}

.device-left {
  left: 2%;
  transform: rotateY(18deg) rotate(-7deg);
}

.device-right {
  right: 8%;
  transform: rotateY(-18deg) rotate(7deg);
}

.device-source-types {
  z-index: 0;
  width: 184px;
  height: 397px;
  top: 154px;
  right: -8%;
  border-width: 6px;
  border-radius: 27px;
  filter: saturate(0.82);
  opacity: 0.82;
  transform: rotateY(-20deg) rotate(11deg);
}

.floating-card {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 22px 60px rgba(7, 29, 52, 0.16);
  backdrop-filter: blur(20px) saturate(1.4);
}

.floating-card-top {
  top: 86px;
  right: -8px;
  gap: 11px;
  padding: 13px 16px;
  border-radius: 17px;
}

.floating-card-top div {
  display: grid;
  gap: 3px;
}

.floating-card-top b {
  font-size: 13px;
}

.floating-card-top small {
  color: var(--muted);
  font-size: 10px;
}

.status-dot {
  width: 11px;
  height: 11px;
  border: 3px solid #baf7db;
  border-radius: 50%;
  background: #16c77d;
  box-shadow: 0 0 0 5px rgba(22, 199, 125, 0.12);
}

.floating-card-bottom {
  bottom: 38px;
  left: 7px;
  gap: 12px;
  padding: 13px 18px;
  border-radius: 18px;
}

.floating-card-bottom strong {
  color: var(--blue);
  font-size: 31px;
  line-height: 1;
}

.floating-card-bottom span {
  color: #53667d;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.45;
}

.metric-bar {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.metric-bar article {
  position: relative;
  padding: 27px 30px;
}

.metric-bar article + article::before {
  position: absolute;
  width: 1px;
  top: 24px;
  bottom: 24px;
  left: 0;
  background: var(--line);
  content: "";
}

.metric-bar strong,
.metric-bar span {
  display: block;
}

.metric-bar strong {
  margin-bottom: 7px;
  color: #087bea;
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.metric-bar span {
  color: #6b7c90;
  font-size: 12px;
  font-weight: 700;
}

.story-section,
.player-section,
.download-section {
  padding-top: 150px;
  padding-bottom: 150px;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 54px;
}

.section-heading h2,
.harmony-copy h2,
.download-copy h2 {
  font-size: clamp(42px, 5vw, 68px);
}

.section-heading > p:last-child,
.harmony-copy > p,
.download-copy > p {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.scrape-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.flow-card {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  padding: 28px 28px 0;
  border: 1px solid rgba(11, 42, 71, 0.1);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 26px 70px rgba(6, 28, 53, 0.1);
}

.flow-card-featured {
  background: linear-gradient(150deg, #eaf7ff, #f2fffa 60%, #fff);
}

.flow-index {
  display: inline-flex;
  width: 40px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #e7f2ff;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}

.flow-copy b {
  display: block;
  margin-top: 18px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.flow-copy p {
  margin: 12px 0 0;
  color: #697b90;
  font-size: 13px;
  line-height: 1.7;
}

.flow-shot {
  position: absolute;
  width: 66%;
  aspect-ratio: 630 / 1360;
  right: 3%;
  bottom: -12px;
  overflow: hidden;
  border: 6px solid #172637;
  border-radius: 27px 27px 0 0;
  box-shadow: -22px 4px 55px rgba(7, 29, 52, 0.19);
  transform: rotate(4deg);
  transition: transform 500ms cubic-bezier(.2,.8,.2,1);
}

.flow-card:nth-child(2) .flow-shot {
  right: 17%;
  bottom: -12px;
  transform: rotate(0);
}

.flow-card:nth-child(3) .flow-shot {
  right: auto;
  left: 3%;
  transform: rotate(-4deg);
}

.flow-card:hover .flow-shot {
  transform: translateY(-10px) rotate(0);
}

.flow-shot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
}

.metadata-note {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 28px;
  padding: 20px 24px;
  border: 1px solid rgba(9, 52, 87, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
}

.metadata-logo {
  flex: 0 0 auto;
  padding: 9px 12px;
  border-radius: 10px;
  background: #091f31;
  color: #8ee0f1;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.metadata-note p {
  margin: 0;
  color: #718197;
  font-size: 12px;
  line-height: 1.7;
}

.sources-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 10%, rgba(22, 221, 231, 0.18), transparent 34%),
    radial-gradient(circle at 5% 85%, rgba(45, 111, 246, 0.22), transparent 32%),
    var(--dark);
  color: var(--white);
}

.sources-section::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 58px 58px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.sources-inner {
  position: relative;
  z-index: 2;
  padding-top: 150px;
  padding-bottom: 150px;
}

.light-heading .eyebrow {
  color: #8fb0cc;
}

.light-heading > p:last-child {
  color: #91a4b8;
}

.source-explorer {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(24px);
}

.source-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 9px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.source-index a {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 20px;
  color: #91a7bd;
  font-size: 14px;
  font-weight: 800;
  transition: color 180ms ease, background 180ms ease;
}

.source-index a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.source-index small {
  display: inline-flex;
  min-width: 25px;
  height: 25px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(92, 224, 236, 0.12);
  color: #5ce0ec;
  font-size: 10px;
}

.source-groups {
  padding: 42px;
}

.source-group {
  scroll-margin-top: 100px;
}

.source-group + .source-group {
  margin-top: 48px;
  padding-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.source-intro {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.source-intro span {
  color: #5ce0ec;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.source-intro p {
  margin: 0;
  color: #7289a1;
  font-size: 13px;
}

.source-cloud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.source-cloud article {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 88px;
  align-items: center;
  gap: 15px;
  padding: 14px 17px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.055);
  color: #e9f4fd;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.source-cloud article img {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  object-fit: contain;
}

.source-cloud article strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 780;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-cloud article small {
  margin-left: auto;
  color: #718aa1;
  font-size: 10px;
  white-space: nowrap;
}

.source-cloud article:hover {
  border-color: rgba(92, 224, 236, 0.36);
  background: rgba(92, 224, 236, 0.07);
  transform: translateY(-2px);
}

.source-group-live .source-cloud {
  grid-template-columns: minmax(280px, 0.5fr);
}

.cinema-frame {
  position: relative;
  overflow: hidden;
  border: 8px solid #111d2b;
  border-radius: 30px;
  background: #03070c;
  box-shadow: 0 40px 100px rgba(2, 15, 30, 0.25);
}

.cinema-frame img {
  width: 100%;
  aspect-ratio: 2.158 / 1;
  object-fit: cover;
}

.cinema-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 12, 21, 0.56), transparent 40%);
  pointer-events: none;
}

.cinema-copy {
  position: absolute;
  right: 28px;
  bottom: 24px;
  display: flex;
  gap: 9px;
}

.cinema-copy span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(5, 17, 30, 0.5);
  color: #fff;
  font-size: 11px;
  font-weight: 750;
  backdrop-filter: blur(12px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.feature-grid article {
  min-height: 238px;
  padding: 27px;
  border: 1px solid rgba(8, 43, 74, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.66);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.feature-grid article:hover {
  box-shadow: 0 22px 60px rgba(7, 28, 51, 0.1);
  transform: translateY(-4px);
}

.feature-grid i {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(145deg, #e5f4ff, #e6fffb);
  color: var(--blue);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
}

.feature-grid h3 {
  margin: 27px 0 12px;
  font-size: 21px;
  letter-spacing: -0.04em;
}

.feature-grid p {
  margin: 0;
  color: #6a7b90;
  font-size: 13px;
  line-height: 1.75;
}

.feature-grid article.immersive-light-feature {
  position: relative;
  display: grid;
  min-height: 360px;
  grid-column: 1 / -1;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 52px;
  overflow: hidden;
  padding: 48px;
  border-color: rgba(104, 225, 255, 0.2);
  background:
    radial-gradient(circle at 88% 18%, rgba(26, 226, 220, 0.2), transparent 27%),
    radial-gradient(circle at 66% 100%, rgba(27, 113, 255, 0.26), transparent 38%),
    #081828;
  box-shadow: 0 30px 80px rgba(3, 24, 46, 0.2);
  color: #fff;
}

.immersive-light-feature::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 55%, #000);
  pointer-events: none;
}

.immersive-light-copy,
.immersive-light-demo {
  position: relative;
  z-index: 1;
}

.immersive-light-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(139, 240, 255, 0.34);
  border-radius: 15px;
  background: rgba(63, 214, 235, 0.11);
  box-shadow: 0 0 34px rgba(73, 231, 243, 0.28), inset 0 0 22px rgba(96, 222, 255, 0.08);
  color: #81eef4;
  font-size: 15px;
  font-weight: 900;
}

.feature-grid .immersive-light-kicker {
  margin-top: 22px;
  color: #79dce8;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-grid .immersive-light-feature h3 {
  max-width: 580px;
  margin: 12px 0 15px;
  color: #fff;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.05em;
}

.feature-grid .immersive-light-copy > p:last-of-type {
  max-width: 650px;
  color: #9bb1c5;
  font-size: 14px;
}

.immersive-light-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.immersive-light-options span,
.material-levels span {
  padding: 8px 11px;
  border: 1px solid rgba(138, 224, 240, 0.16);
  border-radius: 999px;
  background: rgba(128, 218, 237, 0.07);
  color: #b8cedd;
  font-size: 10px;
  font-weight: 750;
}

.immersive-light-demo {
  min-height: 252px;
  border: 1px solid rgba(182, 240, 255, 0.18);
  border-radius: 34px;
  background: rgba(208, 243, 255, 0.07);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.13), 0 24px 70px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(24px) saturate(1.35);
}

.light-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.light-orb-cyan {
  width: 130px;
  height: 130px;
  top: 22px;
  right: 34px;
  background: radial-gradient(circle at 40% 40%, rgba(192, 255, 255, 0.95), rgba(33, 222, 230, 0.2) 38%, transparent 70%);
  box-shadow: 0 0 70px rgba(45, 225, 235, 0.38);
}

.light-orb-blue {
  width: 170px;
  height: 170px;
  right: 112px;
  bottom: -74px;
  background: radial-gradient(circle at 50% 35%, rgba(68, 155, 255, 0.6), rgba(37, 104, 255, 0.12) 45%, transparent 72%);
}

.light-control {
  position: absolute;
  top: 72px;
  left: 34px;
  display: flex;
  min-width: 190px;
  align-items: center;
  gap: 13px;
  padding: 17px 19px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  background: rgba(218, 247, 255, 0.15);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.23), inset 0 1px rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(22px) saturate(1.5);
}

.light-control-point {
  width: 17px;
  height: 17px;
  border: 4px solid rgba(206, 255, 255, 0.72);
  border-radius: 50%;
  background: #4ee7e6;
  box-shadow: 0 0 24px #4ee7e6;
}

.light-control div {
  display: grid;
  gap: 3px;
}

.light-control b {
  font-size: 13px;
}

.light-control small {
  color: #91aabd;
  font-size: 10px;
}

.material-levels {
  position: absolute;
  right: 24px;
  bottom: 23px;
  display: flex;
  gap: 6px;
}

.material-levels span:nth-child(2) {
  border-color: rgba(91, 236, 241, 0.36);
  background: rgba(59, 223, 232, 0.14);
  color: #c6fbff;
}

.harmony-section {
  overflow: hidden;
  background: #edf5fa;
}

.harmony-inner {
  display: grid;
  min-height: 760px;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 60px;
  padding-top: 110px;
  padding-bottom: 110px;
}

.harmony-copy > p {
  max-width: 580px;
}

.harmony-copy ul {
  display: grid;
  gap: 13px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.harmony-copy li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 20px;
  border: 1px solid rgba(9, 45, 74, 0.08);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.55);
}

.harmony-copy li b {
  font-size: 14px;
}

.harmony-copy li span {
  color: #728499;
  font-size: 12px;
}

.harmony-art {
  position: relative;
  min-height: 520px;
}

.harmony-logo {
  position: absolute;
  z-index: 3;
  width: 220px;
  height: 220px;
  top: 50%;
  left: 50%;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 52px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 38px 95px rgba(8, 68, 118, 0.18);
  backdrop-filter: blur(24px);
  transform: translate(-50%, -50%) rotate(-5deg);
}

.harmony-logo img {
  width: 100%;
  height: 100%;
  border-radius: 38px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(27, 123, 208, 0.17);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-16deg);
}

.orbit-one {
  width: 430px;
  height: 250px;
}

.orbit-two {
  width: 520px;
  height: 370px;
  transform: translate(-50%, -50%) rotate(23deg);
}

.orbit-label {
  position: absolute;
  z-index: 4;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 16px 38px rgba(6, 43, 77, 0.09);
  color: #35526c;
  font-size: 11px;
  font-weight: 850;
  backdrop-filter: blur(16px);
}

.label-one { top: 15%; right: 4%; }
.label-two { bottom: 17%; left: 4%; }
.label-three { right: 14%; bottom: 9%; }

.download-card {
  position: relative;
  display: grid;
  min-height: 500px;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  overflow: hidden;
  padding: 68px 72px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 90% 10%, rgba(42, 226, 231, 0.25), transparent 33%),
    radial-gradient(circle at 65% 120%, rgba(31, 104, 255, 0.3), transparent 42%),
    #061523;
  box-shadow: 0 40px 100px rgba(4, 24, 44, 0.24);
  color: #fff;
}

.download-card::after {
  position: absolute;
  width: 370px;
  height: 370px;
  right: -100px;
  bottom: -190px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.02);
}

.download-copy {
  position: relative;
  z-index: 2;
}

.download-copy .eyebrow {
  color: #86a4bd;
}

.download-copy > p {
  color: #91a5b7;
}

.download-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
}

.download-actions > span {
  color: #7890a4;
  font-size: 12px;
}

.download-qr {
  position: relative;
  z-index: 2;
  display: block;
  width: 290px;
  width: min(290px, 100%);
  max-width: 100%;
  justify-self: end;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  color: #fff;
  text-decoration: none;
  transform: rotate(3deg);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.download-qr:hover {
  border-color: rgba(113, 238, 245, 0.5);
  background: rgba(255, 255, 255, 0.14);
  transform: rotate(0deg) translateY(-4px);
}

.download-qr-code {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  padding: 8px;
  border-radius: 20px;
  background: #fff;
}

.download-qr-meta,
.download-qr-brand {
  display: flex;
  align-items: center;
}

.download-qr-meta {
  justify-content: space-between;
  gap: 12px;
  padding: 16px 4px 2px;
}

.download-qr-brand {
  min-width: 0;
  gap: 11px;
}

.download-qr-brand > img {
  width: 44px;
  min-width: 44px;
  max-width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 12px;
}

.download-qr-brand > span {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.download-qr-brand b {
  font-size: 13px;
  font-weight: 850;
}

.download-qr-brand small {
  color: #8fa7ba;
  font-size: 10px;
  line-height: 1.4;
}

.download-qr-arrow {
  color: #6ee9ef;
  font-size: 18px;
}

.site-footer {
  border-top: 1px solid rgba(8, 42, 72, 0.09);
  background: #f0f5f8;
}

.footer-main,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-main {
  padding-top: 42px;
  padding-bottom: 34px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 13px;
}

.footer-brand div {
  display: grid;
  gap: 4px;
}

.footer-brand b {
  font-size: 17px;
}

.footer-brand span,
.footer-bottom,
.footer-links {
  color: #728397;
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 26px;
  font-weight: 700;
}

.footer-links a:hover,
.footer-bottom a:hover {
  color: var(--blue);
}

.footer-bottom {
  padding-top: 22px;
  padding-bottom: 32px;
  border-top: 1px solid rgba(8, 42, 72, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.8,.2,1);
}

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

.scrape-flow .reveal:nth-child(2),
.feature-grid .reveal:nth-child(2),
.feature-grid .reveal:nth-child(5) {
  transition-delay: 90ms;
}

.scrape-flow .reveal:nth-child(3),
.feature-grid .reveal:nth-child(3),
.feature-grid .reveal:nth-child(6) {
  transition-delay: 180ms;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .desktop-nav { gap: 18px; }
  .hero { grid-template-columns: 0.92fr 1.08fr; gap: 8px; }
  .device-main { width: 264px; height: 570px; }
  .device-left, .device-right { width: 190px; height: 410px; }
  .device-right { right: 7%; }
  .device-source-types { width: 158px; height: 341px; top: 145px; right: -8%; }
  .source-cloud { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .site-header { top: 10px; }
  .desktop-nav, .header-download { display: none; }
  .menu-button {
    display: grid;
    width: 46px;
    height: 46px;
    place-content: center;
    gap: 6px;
    margin-left: auto;
    border: 0;
    border-radius: 14px;
    background: #0d1c2c;
    cursor: pointer;
  }
  .menu-button span { width: 20px; height: 2px; border-radius: 99px; background: #fff; transition: transform 180ms ease; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu {
    position: absolute;
    top: 76px;
    right: 0;
    display: grid;
    width: min(300px, calc(100vw - 48px));
    overflow: hidden;
    padding: 8px;
    border: 1px solid rgba(255,255,255,.8);
    border-radius: 20px;
    background: rgba(248,251,253,.96);
    box-shadow: 0 24px 70px rgba(6,25,46,.2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .mobile-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .mobile-menu a { padding: 16px; border-radius: 13px; font-size: 14px; font-weight: 800; }
  .mobile-menu a:hover { background: #edf4fa; color: var(--blue); }
  .hero { grid-template-columns: 1fr; padding-top: 146px; text-align: center; }
  .hero-copy { max-width: 690px; margin-inline: auto; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .hero-tags, .eyebrow { justify-content: center; }
  .hero-stage { min-height: 650px; margin-top: 20px; }
  .metric-bar { grid-template-columns: repeat(2, 1fr); }
  .metric-bar article:nth-child(3)::before { display: none; }
  .metric-bar article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .scrape-flow { grid-template-columns: 1fr; }
  .flow-card { min-height: 720px; }
  .flow-shot { width: 260px; }
  .flow-card:nth-child(2) .flow-shot { right: 8%; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid article.immersive-light-feature { grid-template-columns: 1fr; gap: 34px; }
  .immersive-light-demo { min-height: 240px; }
  .harmony-inner { grid-template-columns: 1fr; }
  .harmony-art { min-height: 480px; }
  .download-card { grid-template-columns: 1fr; gap: 54px; }
  .download-qr { width: 250px; justify-self: start; }
}

@media (max-width: 680px) {
  .section-shell, .site-header {
    width: calc(100% - 28px);
    width: min(calc(100% - 28px), var(--max));
  }
  .site-header { height: 62px; padding-left: 10px; border-radius: 18px; }
  .brand { font-size: 17px; }
  .brand img { width: 40px; height: 40px; }
  .hero { min-height: auto; padding-top: 124px; padding-bottom: 10px; }
  .hero h1 { font-size: 50px; font-size: clamp(43px, 12vw, 58px); }
  .hero-lead { font-size: 15px; line-height: 1.8; }
  .hero-actions { flex-direction: column; gap: 18px; }
  .primary-button { width: 100%; }
  .hero-stage { min-height: 525px; margin-top: 8px; }
  .device-main { width: 224px; height: 484px; border-width: 6px; border-radius: 27px; }
  .device-left { display: none; }
  .device-right { width: 148px; height: 320px; top: 98px; right: 2%; border-width: 5px; border-radius: 23px; opacity: 0.74; }
  .device-source-types { width: 132px; height: 286px; top: 154px; right: -14%; border-width: 5px; border-radius: 23px; opacity: 0.68; }
  .floating-card-top { top: 66px; right: -3px; }
  .floating-card-bottom { bottom: 4px; left: -2px; }
  .metric-bar { border-radius: 21px; }
  .metric-bar article { padding: 22px 18px; }
  .metric-bar strong { font-size: 21px; }
  .story-section, .player-section, .download-section { padding-top: 105px; padding-bottom: 105px; }
  .sources-inner { padding-top: 105px; padding-bottom: 105px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .harmony-copy h2, .download-copy h2 { font-size: 44px; font-size: clamp(38px, 10.5vw, 50px); }
  .section-heading > p:last-child, .harmony-copy > p, .download-copy > p { font-size: 14px; }
  .flow-card { min-height: 650px; padding: 24px 22px 0; border-radius: 23px; }
  .flow-shot { width: 58%; max-width: 220px; right: 3%; bottom: -10px; }
  .flow-card:nth-child(2) .flow-shot { right: 12%; }
  .metadata-note { align-items: flex-start; }
  .source-explorer { border-radius: 23px; }
  .source-index { grid-template-columns: repeat(2, 1fr); }
  .source-index a { min-height: 54px; }
  .source-groups { padding: 30px 20px; }
  .source-intro { display: block; }
  .source-intro p { margin-top: 10px; line-height: 1.65; }
  .source-cloud { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .source-cloud article { min-height: 72px; gap: 10px; padding: 10px; }
  .source-cloud article img { width: 39px; height: 39px; border-radius: 10px; }
  .source-cloud article strong { font-size: 12px; }
  .source-group-live .source-cloud { grid-template-columns: 1fr; }
  .cinema-frame { border-width: 4px; border-radius: 18px; }
  .cinema-copy { right: 12px; bottom: 10px; }
  .cinema-copy span { display: none; }
  .cinema-copy span:first-child { display: inline-block; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: auto; }
  .feature-grid article.immersive-light-feature { gap: 28px; padding: 30px 24px; }
  .feature-grid .immersive-light-feature h3 { font-size: 30px; }
  .immersive-light-demo { min-height: 220px; border-radius: 25px; }
  .light-control { top: 62px; left: 20px; min-width: 172px; padding: 14px 16px; }
  .light-orb-cyan { right: 10px; }
  .material-levels { right: 15px; bottom: 16px; }
  .harmony-inner { min-height: auto; padding-top: 100px; padding-bottom: 100px; }
  .harmony-copy li { align-items: flex-start; flex-direction: column; gap: 5px; }
  .harmony-art { min-height: 380px; transform: scale(.82); }
  .orbit-one { width: 360px; }
  .orbit-two { width: 430px; }
  .download-card { min-height: auto; padding: 46px 28px; border-radius: 27px; }
  .download-actions { align-items: flex-start; flex-direction: column; }
  .download-qr { width: 260px; width: min(260px, 100%); max-width: 100%; justify-self: center; border-radius: 26px; transform: none; }
  .download-qr-code { border-radius: 17px; }
  .footer-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 18px; }
}

@media (max-width: 390px) {
  .hero-tags span:last-child { display: none; }
  .device-main { width: 208px; height: 450px; }
  .device-right { width: 132px; height: 286px; }
  .device-source-types { width: 118px; height: 255px; }
  .floating-card-top { display: none; }
  .harmony-art { margin-inline: -30px; }
}
