:root {
  --bg: #0b0d12;
  --surface: #14171f;
  --surface2: #1c2030;
  --border: #2a2f44;
  --foreground: #e6e8ef;
  --muted: #8a90a4;
  --indigo: #818cf8;
  --indigo-bg: rgba(129, 140, 248, 0.12);
  --indigo-border: rgba(129, 140, 248, 0.4);
  --green: #34d399;
  --amber: #fbbf24;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--indigo); text-decoration: none; transition: filter 0.12s; }
a:hover { filter: brightness(1.2); }

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

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  color: #fff;
}
.nav-brand img { width: 32px; height: 32px; }
.nav-spacer { flex: 1; }
.nav-links {
  display: flex;
  gap: 22px;
  font-size: 13px;
  font-weight: 600;
}
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--foreground); filter: none; }

@media (max-width: 540px) {
  .nav { flex-wrap: wrap; gap: 12px; }
  .nav-spacer { display: none; }
  .nav-links { width: 100%; gap: 16px; font-size: 12px; }
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 48px 0 56px;
}
.hero-logo {
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 12px;
}
.hero p {
  font-size: 19px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.5;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--indigo);
  color: #fff;
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.01em;
  border: 1px solid var(--indigo);
}
.hero-cta:hover { filter: brightness(1.15); }

@media (max-width: 540px) {
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 17px; }
}

/* ── Feature cards ──────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 48px 0;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 18px;
}
.feature-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--indigo);
  margin-bottom: 8px;
}
.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.feature-body {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 720px) {
  .features { grid-template-columns: 1fr; }
}

/* ── Section ────────────────────────────────────────────── */
.section {
  margin: 56px 0;
}
.section h2 {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 28px 0 10px;
}
.section p {
  color: var(--foreground);
  margin-bottom: 14px;
}
.section ul {
  padding-left: 22px;
  margin-bottom: 14px;
}
.section ul li {
  margin-bottom: 6px;
  color: var(--foreground);
}
.section .meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--foreground); filter: none; }

@media (max-width: 540px) {
  .footer { flex-direction: column; align-items: flex-start; gap: 12px; }
}