:root {
  --bg: #0b1220;
  --surface: #131d31;
  --surface-2: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --border: #1f2937;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

main { display: block; }

.container { width: min(1100px, 92%); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.alt { background: var(--surface); }
.stack-lg > * + * { margin-top: 2rem; }

h1, h2, h3 { line-height: 1.2; margin-top: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 1rem; }
h2 { margin-bottom: 0.75rem; }

p, ul, ol { margin-top: 0; }
.lead { max-width: 760px; color: var(--muted); font-size: 1.1rem; margin-bottom: 1.6rem; }
.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand { color: #fff; text-decoration: none; font-weight: 800; }
.site-nav { display: flex; align-items: center; gap: 1rem; }
.site-nav a { color: var(--text); text-decoration: none; }
.site-nav a:hover { color: #fff; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #06210f;
  text-decoration: none;
  padding: 0.75rem 1.2rem;
  border-radius: 0.6rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-small { padding: 0.55rem 0.9rem; font-size: 0.9rem; }

ul, ol { padding-left: 1.2rem; }
.grid-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem 1.4rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; }
.card { background: var(--surface-2); border: 1px solid #243248; border-radius: 0.8rem; padding: 1rem; }

.site-footer { border-top: 1px solid var(--border); padding: 1.25rem 0; }
.footer-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.menu-toggle { display: none; }

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
    background: none;
    border: 1px solid #334155;
    color: var(--text);
    border-radius: 0.4rem;
    padding: 0.3rem 0.55rem;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 4%;
    right: 4%;
    top: 66px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 0.65rem;
    padding: 0.8rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav.open { display: flex; }
}
