:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0d1b2e;
  --card: rgba(255, 255, 255, 0.08);
  --card-strong: rgba(255, 255, 255, 0.14);
  --text: #f7fbff;
  --muted: #b8c7d9;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #f7c948;
  --accent-strong: #ffd166;
  --blue: #45a3ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* {
  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 top left, rgba(69, 163, 255, 0.26), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(247, 201, 72, 0.16), transparent 26rem),
    linear-gradient(135deg, #07111f 0%, #0b1322 48%, #111827 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  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: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

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

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #f59e0b);
  color: #111827;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 32px;
  align-items: center;
  padding: 74px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 8vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.lead,
.section p,
.card p,
.site-footer {
  color: var(--muted);
  line-height: 1.72;
}

.lead {
  max-width: 720px;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--accent);
  color: #111827;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.hero-card,
.card,
.contact,
.platform-list {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: 30px;
}

.hero-card div {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
}

.metric {
  display: block;
  margin-bottom: 6px;
  color: var(--accent-strong);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.section {
  padding: 68px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card {
  min-height: 230px;
  padding: 28px;
  border-radius: 28px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.45fr);
  gap: 28px;
  align-items: center;
}

.platform-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 20px;
  border-radius: 28px;
  list-style: none;
}

.platform-list li {
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(69, 163, 255, 0.22), rgba(255, 255, 255, 0.08));
  font-size: 1.18rem;
  font-weight: 900;
}

.contact {
  margin-bottom: 54px;
  padding: clamp(28px, 5vw, 54px);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(69, 163, 255, 0.18), rgba(247, 201, 72, 0.12));
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

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

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

  .hero {
    padding-top: 42px;
  }

  .nav {
    flex-wrap: wrap;
  }
}

@media (max-width: 520px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 22px, 1120px);
  }

  h1 {
    font-size: 2.5rem;
  }

  .button {
    width: 100%;
  }
}