:root {
  color-scheme: dark;
  --bg: #07090c;
  --bg-deep: #030405;
  --surface: #101318;
  --surface-raised: #171b21;
  --surface-soft: rgba(19, 23, 29, 0.78);
  --text: #f6f7f9;
  --text-soft: #b9c0ca;
  --text-muted: #8e97a3;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --gold: #f2bd72;
  --gold-bright: #ffd79e;
  --cyan: #6cd9e6;
  --focus: #8ce7f0;
  --danger: #ff8b8b;
  --container: 1200px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.42);
  --header-height: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% -10%, rgba(72, 157, 171, 0.1), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

button,
.button,
.nav-link,
.footer-link,
.brand-link {
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

::selection {
  background: var(--gold);
  color: #15100a;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms var(--ease);
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 9, 12, 0.78);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  min-width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--line), 0 10px 28px rgba(108, 217, 230, 0.12);
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.brand-copy span {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0 14px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.nav-link.external::after {
  content: "↗";
  margin-left: 6px;
  color: var(--text-muted);
  font-size: 12px;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition: transform 200ms var(--ease), background 200ms ease, border-color 200ms ease, color 200ms ease;
}

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

.button-primary {
  background: linear-gradient(120deg, var(--gold-bright), var(--gold));
  color: #1d1409;
  box-shadow: 0 14px 36px rgba(242, 189, 114, 0.2);
}

.button-primary:hover {
  background: linear-gradient(120deg, #ffe3b7, #f6c982);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.09);
}

.button svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.header-download {
  min-height: 44px;
  padding-inline: 18px;
  font-size: 14px;
}

main:focus {
  outline: none;
}

.hero {
  position: relative;
  min-height: 0;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 84% 30%, rgba(242, 189, 114, 0.19), transparent 30rem),
    radial-gradient(circle at 16% 68%, rgba(108, 217, 230, 0.1), transparent 32rem),
    linear-gradient(180deg, #0a0d11, #07090c);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.35;
  pointer-events: none;
  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: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 5vw, 72px);
  padding-block: clamp(56px, 6vw, 88px);
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--gold-bright);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.hero-title {
  max-width: 720px;
  margin: 0;
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.hero-title em {
  color: var(--gold-bright);
  font-style: normal;
}

.hero-lead {
  max-width: 600px;
  margin: 26px 0 0;
  color: var(--text-soft);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 0;
  color: var(--text-muted);
  font-size: 13px;
  list-style: none;
}

.hero-facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-facts li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(108, 217, 230, 0.7);
}

.hero-media {
  position: relative;
  min-width: 0;
}

.hero-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(242, 189, 114, 0.12);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 58%, rgba(3, 4, 5, 0.72));
}

.hero-frame picture,
.hero-frame img,
.hero-frame video {
  width: 100%;
  height: 100%;
}

.hero-frame img,
.hero-frame video {
  object-fit: cover;
}

.lazy-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: transparent;
}

.media-label {
  position: absolute;
  z-index: 3;
  right: 20px;
  bottom: 18px;
  left: 20px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.media-label strong {
  display: block;
  font-size: 17px;
}

.media-label span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.quality-badge {
  min-width: 50px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(4, 5, 6, 0.56);
  padding: 6px 11px;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  backdrop-filter: blur(10px);
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(242, 189, 114, 0.22);
  border-radius: 50%;
  top: -68px;
  right: -60px;
}

.hero-orbit::before {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(108, 217, 230, 0.18);
  border-radius: inherit;
}

.section {
  position: relative;
  padding-block: clamp(64px, 6vw, 88px);
}

.section-muted {
  border-block: 1px solid var(--line);
  background: #0a0d11;
}

.section-heading {
  max-width: 740px;
  margin-bottom: clamp(28px, 3.5vw, 40px);
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: clamp(36px, 4.4vw, 62px);
  font-weight: 730;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.section-copy {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 17px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.art-card {
  position: relative;
  align-self: start;
  aspect-ratio: 16 / 9;
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.art-card picture,
.art-card img {
  width: 100%;
  height: 100%;
}

.art-card picture {
  display: block;
}

.art-card img {
  min-height: 0;
  object-fit: cover;
  transition: transform 600ms var(--ease), filter 300ms ease;
}

.art-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(3, 4, 5, 0.86));
  pointer-events: none;
}

.art-card:hover img {
  transform: scale(1.035);
  filter: saturate(1.08);
}

.art-card figcaption {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 18px;
  left: 20px;
}

.art-card figcaption strong {
  display: block;
  font-size: 18px;
}

.art-card figcaption span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
}

.demo-player {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.demo-player picture,
.demo-player img,
.demo-player video {
  width: 100%;
  height: 100%;
}

.demo-player img,
.demo-player video {
  object-fit: cover;
}

.demo-player .quality-badge {
  position: absolute;
  z-index: 4;
  top: 18px;
  right: 18px;
}

.demo-copy h2 {
  margin: 0;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.demo-copy > p {
  margin: 20px 0 0;
  color: var(--text-soft);
  font-size: 17px;
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}

.feature-list svg {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--gold);
}

.feature-list strong {
  display: block;
  font-size: 16px;
}

.feature-list span {
  display: block;
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 14px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 100% 0, rgba(108, 217, 230, 0.1), transparent 17rem),
    var(--surface);
  padding: clamp(24px, 3vw, 32px);
}

.feature-card:nth-child(2),
.feature-card:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0, rgba(242, 189, 114, 0.12), transparent 17rem),
    var(--surface);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--gold-bright);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  margin: 32px 0 0;
  font-size: 24px;
  letter-spacing: -0.025em;
}

.feature-card p {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.faq-list {
  max-width: 900px;
  border-top: 1px solid var(--line);
}

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

.faq-item summary {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 680;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  width: 32px;
  height: 32px;
  display: grid;
  flex: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-soft);
  font-size: 20px;
  transition: transform 200ms var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 760px;
  margin: -2px 0 24px;
  color: var(--text-soft);
}

.faq-block {
  margin-top: clamp(56px, 6vw, 80px);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 40%, rgba(242, 189, 114, 0.22), transparent 23rem),
    linear-gradient(130deg, #12171d, #0c0f13);
  padding: clamp(32px, 4vw, 48px);
  box-shadow: var(--shadow-lg);
}

.cta-panel h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.cta-panel p {
  margin: 14px 0 0;
  color: var(--text-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
  padding-block: 56px 28px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) repeat(3, minmax(150px, 0.6fr));
  gap: 40px;
}

.footer-brand p {
  max-width: 360px;
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-column h2 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  color: var(--text-muted);
  font-size: 13px;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 5px;
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 44px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  color: #747d89;
  font-size: 12px;
}

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 75% 20%, rgba(242, 189, 114, 0.16), transparent 30rem),
    radial-gradient(circle at 20% 100%, rgba(108, 217, 230, 0.09), transparent 34rem),
    #090c10;
  padding-block: clamp(64px, 8vw, 104px);
}

.page-hero-copy {
  max-width: 820px;
}

.page-title {
  margin: 0;
  font-size: clamp(48px, 7vw, 86px);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.page-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.8;
}

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

.about-card,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: clamp(24px, 3vw, 32px);
}

.about-card .number {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.about-card h2 {
  margin: 28px 0 0;
  font-size: 24px;
}

.about-card p {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 18px;
}

.contact-intro h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -0.04em;
}

.contact-intro p {
  color: var(--text-soft);
}

.contact-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-block: 18px;
}

.contact-row:first-child {
  padding-top: 0;
}

.contact-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-row dt {
  color: var(--text-muted);
}

.contact-row dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.contact-row a {
  color: var(--gold-bright);
  text-underline-offset: 4px;
}

.legal-shell {
  padding-block: clamp(64px, 8vw, 112px);
}

.legal-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 820px);
  align-items: start;
  justify-content: center;
  gap: clamp(32px, 6vw, 80px);
}

.legal-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.legal-aside strong {
  display: block;
  margin-bottom: 14px;
  color: var(--text);
  font-size: 14px;
}

.legal-aside a {
  min-height: 36px;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--line);
  padding-left: 14px;
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
}

.legal-aside a:hover {
  border-color: var(--gold);
  color: var(--text);
}

.legal-copy {
  min-width: 0;
  color: #d7dbe1;
}

.legal-copy > h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(38px, 5vw, 58px);
  letter-spacing: -0.045em;
  line-height: 1.14;
}

.legal-copy h2 {
  margin: 64px 0 20px;
  scroll-margin-top: calc(var(--header-height) + 24px);
  color: var(--text);
  font-size: 27px;
  letter-spacing: -0.02em;
}

.legal-copy h3 {
  margin: 38px 0 14px;
  scroll-margin-top: calc(var(--header-height) + 24px);
  color: var(--text);
  font-size: 20px;
}

.legal-copy p,
.legal-copy li {
  font-size: 15px;
  line-height: 1.9;
}

.legal-copy p {
  margin: 14px 0;
}

.legal-copy strong {
  color: #fff1dd;
}

.legal-meta {
  display: grid;
  gap: 5px;
  margin: 28px 0 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 20px 22px;
  color: var(--text-soft);
  font-size: 14px;
}

.legal-copy ol,
.legal-copy ul {
  margin: 14px 0;
  padding-left: 1.5em;
}

.legal-copy li + li {
  margin-top: 7px;
}

.legal-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  margin: 22px 0 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.legal-copy table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 13px;
}

.legal-copy th,
.legal-copy td {
  border-bottom: 1px solid var(--line);
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
}

.legal-copy th {
  background: var(--surface-raised);
  color: var(--text);
  font-weight: 700;
}

.legal-copy tr:last-child td {
  border-bottom: 0;
}

.legal-copy a {
  color: var(--gold-bright);
  overflow-wrap: anywhere;
  text-underline-offset: 4px;
}

@media (max-width: 1080px) {
  .header-download {
    display: none;
  }

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

  .hero-copy {
    max-width: 780px;
  }

  .hero-media {
    max-width: 820px;
  }

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

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 18px;
    left: 18px;
    display: none;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    background: rgba(13, 16, 20, 0.98);
    box-shadow: var(--shadow-lg);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    display: grid;
    gap: 2px;
    padding: 8px;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
  }

  .demo-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .demo-copy {
    max-width: 680px;
  }

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

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .legal-aside strong {
    width: 100%;
  }

  .legal-aside a {
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0 12px;
  }
}

@media (max-width: 700px) {
  .brand-copy span {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-block: 48px 56px;
  }

  .hero-title {
    font-size: clamp(43px, 13vw, 64px);
  }

  .hero-media {
    margin-top: 6px;
  }

  .hero-frame,
  .demo-player {
    border-radius: 20px;
  }

  .lazy-video {
    display: none;
  }

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

  .section {
    padding-block: 56px;
  }

  .page-hero {
    padding-block: 56px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .faq-block {
    margin-top: 48px;
  }

  .art-card:nth-child(n) {
    grid-column: auto;
  }

  .art-card {
    min-height: 0;
  }

  .art-card img {
    min-height: 0;
  }

  .bento-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 210px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section,
  .page-hero {
    padding-block: 48px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

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

  .hero-facts {
    display: grid;
  }

  .media-label {
    right: 14px;
    bottom: 12px;
    left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .art-card:hover img,
  .button:hover {
    transform: none;
  }
}