:root {
  --bg: #0b0d10;
  --surface: #12161b;
  --text: #e7ecf0;
  --muted: #9aa4ad;
  --accent: #6ee7b7;
  --accent-ink: #0b0d10;
  --border: #1c2129;
  --max: 1040px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11,13,16,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.brand { font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
.nav nav a { margin-left: 24px; color: var(--muted); text-decoration: none; }
.nav nav a:hover { color: var(--text); }

.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 20ch;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.lede {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 32px;
}
.cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 80ms ease;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn:hover { transform: translateY(-1px); }
.meta { color: var(--muted); font-size: 14px; }

.pillars { padding: 72px 0; border-bottom: 1px solid var(--border); }
.pillars h2 { font-size: 28px; letter-spacing: -0.01em; margin: 0 0 32px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.grid article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.grid h3 { margin: 0 0 10px; font-size: 18px; }
.grid p { margin: 0; color: var(--muted); }

.download { padding: 72px 0; }
.download h2 { font-size: 28px; margin: 0 0 12px; }
.download > .container > p { color: var(--muted); margin: 0 0 24px; }
.downloads { list-style: none; padding: 0; margin: 0 0 16px; }
.downloads li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
}
.downloads li a { color: var(--accent); text-decoration: none; font-weight: 600; }
.downloads li span { color: var(--muted); font-size: 14px; }
.verify { color: var(--muted); font-size: 14px; margin-top: 16px; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
  font-size: 14px;
}