:root {
  --bg: #0b0d10;
  --bg-alt: #111418;
  --fg: #f2f3f5;
  --muted: #a2a8b4;
  --accent: #4f7cff;
  --accent-fg: #ffffff;
  --border: #23262c;
  --radius: 12px;
  --max-w: 1080px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(11, 13, 16, 0.85);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta { display: inline-flex; }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}
.btn-primary:hover { opacity: 0.92; }
.btn-ghost {
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--muted); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Hero */
.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 720px; }
.eyebrow {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 20px;
}
.lead {
  color: var(--muted);
  font-size: 1.15rem;
  margin: 0 0 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 {
  font-size: 1.8rem;
  margin: 0 0 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}
.steps li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.step-num {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.steps h3 { margin: 0 0 6px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); }

.cta { text-align: center; }
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta p { color: var(--muted); margin-bottom: 32px; }

.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer a { color: var(--muted); }