:root {
  color-scheme: dark;
  --bg: #0d0d0f;
  --surface: #1c1c20;
  --surface-2: #27272d;
  --text: #f5f5f7;
  --muted: #a6a6ad;
  --line: #383840;
  --accent: #e8ff47;
  --accent-ink: #111111;
  --max: 1040px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  border-bottom: 1px solid var(--line);
  background: rgba(13, 13, 15, 0.86);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.hero {
  padding: 76px 0 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 750;
  font-size: 14px;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

p {
  margin: 0 0 16px;
}

.lead {
  max-width: 680px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 760;
  background: var(--accent);
  color: var(--accent-ink);
}

.button.secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.device-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  padding: 18px;
}

.phone {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: #09090a;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  padding: 18px;
}

.phone-top {
  height: 24px;
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.speaker {
  width: 74px;
  height: 6px;
  border-radius: 99px;
  background: #303036;
}

.app-panel {
  background: var(--surface);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
}

.accent-panel {
  background: var(--accent);
  color: var(--accent-ink);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tool-mini {
  min-height: 74px;
  border-radius: 14px;
  background: var(--surface-2);
  padding: 12px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}

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

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.list li {
  margin: 8px 0;
}

.footer {
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.lang-block {
  padding-top: 34px;
  border-top: 1px solid var(--line);
  margin-top: 34px;
}

@media (max-width: 820px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

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

  .hero {
    padding-top: 52px;
  }

  .hero-grid,
  .grid,
  .two-col {
    grid-template-columns: 1fr;
  }
}