:root {
  --bg: #0b0d12;
  --bg-elevated: #161922;
  --fg: #f1f2f4;
  --muted: #9aa0ac;
  --accent: #5fb3ff;
  --accent-fg: #0b0d12;
  --border: #262a35;
  --radius: 10px;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 1.25rem;
}

.brand {
  color: var(--fg);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  gap: 0.25rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav a:hover {
  color: var(--fg);
  background: var(--bg-elevated);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  padding: 2.5rem 0 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 1.15rem;
  margin-top: 0;
}

.links {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.links a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

section > p {
  color: var(--fg);
}

a {
  color: var(--accent);
}

.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}