:root {
  --bg: #0b1220;
  --bg-alt: #0f1830;
  --fg: #e7ecf3;
  --fg-dim: #a7b2c5;
  --accent: #6aa9ff;
  --accent-strong: #3a86ff;
  --border: rgba(255, 255, 255, 0.08);
  --maxw: 760px;
}

* { box-sizing: border-box; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; }

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

.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 72px 0 56px;
  text-align: left;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  margin: 12px 0 8px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  color: var(--fg-dim);
  font-size: 1.125rem;
  margin: 0;
  max-width: 56ch;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(106, 169, 255, 0.12);
  border: 1px solid rgba(106, 169, 255, 0.35);
  border-radius: 999px;
}

main { padding: 48px 0 64px; }

main section + section { margin-top: 40px; }

h2 {
  font-size: 1.375rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  margin: 0 0 6px;
  color: var(--fg);
}

p { margin: 0 0 12px; color: var(--fg); }
section p:last-child { margin-bottom: 0; }

.projects {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

.projects li {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}

.projects p {
  color: var(--fg-dim);
  margin: 0;
}

.cta { margin-top: 16px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  background: var(--accent-strong);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.btn:hover {
  background: var(--accent);
  text-decoration: none;
  color: #0b1220;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 32px;
  color: var(--fg-dim);
  font-size: 0.9rem;
}

footer p { margin: 0; }
.sep { margin: 0 8px; opacity: 0.6; }

@media (max-width: 480px) {
  .hero { padding: 56px 0 40px; }
  main { padding: 40px 0 56px; }
  .sep { display: block; height: 4px; opacity: 0; }
}