:root {
  color-scheme: dark;
  --bg: #09090b;
  --panel: #18181b;
  --panel-2: #1f1f26;
  --border: #2e2e36;
  --text: #f4f4f5;
  --muted: #d4d4d8;
  --soft: #a1a1aa;
  --accent: #a78bfa;
  --accent-strong: #6d28d9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
}

.site-shell {
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
}

.site-header,
.site-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand span {
  color: var(--soft);
  font-size: 12px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 13px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  border-color: var(--accent);
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 56px 24px 88px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  max-width: 820px;
  margin: 18px 0 20px;
  font-size: clamp(40px, 7vw, 72px);
}

h2 {
  margin: 56px 0 16px;
  font-size: clamp(28px, 4vw, 42px);
}

h3 {
  margin: 28px 0 10px;
  font-size: 22px;
}

p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

li {
  color: var(--muted);
  margin: 8px 0;
  font-size: 16px;
}

.hero-copy {
  font-size: 21px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  background: var(--accent-strong);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

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

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

.card {
  background: var(--panel);
  padding: 24px;
}

.card p {
  font-size: 15px;
}

.note {
  border-left: 3px solid var(--accent);
  background: rgba(167, 139, 250, 0.08);
  padding: 16px 18px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--soft);
  font-size: 13px;
}

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  main {
    padding-top: 32px;
  }

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