* { box-sizing: border-box; }

:root {
  --bg: #08090b;
  --surface: #111318;
  --text: #f4f6f8;
  --muted: #9ba3ad;
  --line: #252a31;
  --accent: #9fe7ff;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

.nav {
  max-width: 1100px;
  margin: auto;
  padding: 26px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand { font-size: 1.15rem; font-weight: 800; letter-spacing: -.03em; }
.brand span { color: var(--accent); }

nav { display: flex; gap: 24px; color: var(--muted); font-size: .95rem; }
nav a:hover { color: var(--text); }

main { max-width: 1100px; margin: auto; padding: 0 24px; }

.hero { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; max-width: 820px; }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .14em; }
.hero h1 { font-size: clamp(3.2rem, 8vw, 7rem); line-height: .98; letter-spacing: -.065em; margin: 18px 0 26px; }
.hero h1 span { color: var(--muted); }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 650px; }
.button {
  width: fit-content;
  margin-top: 28px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.button:hover { border-color: var(--accent); }

.section { padding: 100px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; letter-spacing: -.045em; margin: 10px 0 36px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; min-height: 230px; }
.card:hover { transform: translateY(-3px); transition: .2s ease; border-color: #3a424d; }
.icon { font-size: 1.8rem; margin-bottom: 24px; }
.card h3 { margin: 0 0 8px; font-size: 1.25rem; }
.card p, .about p { color: var(--muted); }

.about { max-width: 760px; }
.about h2 { margin-bottom: 18px; }

footer {
  max-width: 1100px;
  margin: auto;
  padding: 30px 24px 50px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: .85rem;
}

@media (max-width: 720px) {
  .nav { padding-top: 20px; }
  nav { gap: 12px; }
  .grid { grid-template-columns: 1fr; }
  .hero { min-height: 70vh; }
  footer { flex-direction: column; gap: 8px; }
}
