:root {
  color-scheme: dark;
  --bg: #090b10;
  --panel: #111722;
  --panel-strong: #151d2b;
  --text: #f5f7fb;
  --muted: #a9b4c4;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #39d6c8;
  --accent-2: #8ea7ff;
  --warning: #ffd166;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 8%, rgba(57, 214, 200, 0.18), transparent 28rem),
    radial-gradient(circle at 84% 18%, rgba(142, 167, 255, 0.15), transparent 30rem),
    linear-gradient(180deg, #090b10 0%, #0c1018 52%, #090b10 100%);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 11, 16, 0.82);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #061010;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(42px, 7vw, 76px);
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
}

h3 {
  font-size: 20px;
}

.lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 750;
}

.button.primary {
  border-color: transparent;
  color: #041112;
  background: linear-gradient(135deg, var(--accent), #f2ff7c);
}

.visual {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 23, 34, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.visual-top {
  padding: 14px 16px;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.dot:nth-child(2) {
  background: var(--warning);
}

.dot:nth-child(3) {
  background: var(--accent-2);
}

.timeline {
  padding: 24px;
}

.video-block {
  height: 190px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(57, 214, 200, 0.35), rgba(142, 167, 255, 0.18)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.10) 0 18px, rgba(255, 255, 255, 0.04) 18px 36px);
  display: flex;
  align-items: end;
  padding: 18px;
}

.video-label {
  padding: 8px 10px;
  border-radius: 8px;
  color: #061010;
  background: rgba(245, 247, 251, 0.9);
  font-weight: 800;
  font-size: 13px;
}

.clips {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.clip {
  min-height: 96px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 13px;
}

.clip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px;
}

.section-intro {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: rgba(17, 23, 34, 0.64);
}

.card p,
.content p,
.content li {
  color: var(--muted);
}

.card p {
  margin: 10px 0 0;
}

.notice {
  margin-top: 28px;
  border-left: 3px solid var(--accent);
  padding: 18px 20px;
  background: rgba(57, 214, 200, 0.08);
  color: var(--muted);
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 76px 24px;
}

.content {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.content h2 {
  margin-top: 34px;
  font-size: 26px;
}

.content h2:first-child {
  margin-top: 0;
}

.content ul {
  padding-left: 22px;
}

.content a {
  color: var(--accent);
  font-weight: 750;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 58px;
  }

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

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