:root {
  --bg: #0b0d12;
  --panel: #121722;
  --panel-2: #171d2a;
  --text: #f4f7fb;
  --muted: #aab4c3;
  --line: rgba(255,255,255,.10);
  --accent: #7dd3fc;
  --accent-2: #c084fc;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(125,211,252,.14), transparent 28rem),
    radial-gradient(circle at top right, rgba(192,132,252,.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  backdrop-filter: blur(14px);
  background: rgba(11,13,18,.72);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 999px;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: rgba(255,255,255,.08);
}

.nav-toggle {
  display: none;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(44px, 8vw, 96px);
  line-height: .95;
  letter-spacing: -0.07em;
  margin: 0 0 20px;
}

h2 {
  font-size: 24px;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

h3 {
  margin: 0 0 8px;
}

p {
  color: var(--muted);
  margin: 0 0 16px;
}

.lead {
  max-width: 720px;
  font-size: clamp(18px, 2.2vw, 24px);
  color: #d7dee8;
}

.page-header {
  margin-bottom: 36px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button,
.link-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071018;
  border: 0;
}

.button:hover,
.link-grid a:hover,
.text-link:hover {
  transform: translateY(-1px);
}

section {
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card,
.notice {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.notice {
  border-color: rgba(125,211,252,.30);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.project-list {
  display: grid;
  gap: 18px;
}

.project .tag {
  display: inline-flex;
  margin: 6px 6px 0 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(125,211,252,.10);
  color: #bae6fd;
  font-size: 12px;
  font-weight: 700;
}

.text-link {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

ul {
  padding-left: 20px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px clamp(20px, 5vw, 64px);
}

.site-footer p {
  margin: 0;
  font-size: 14px;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    top: 62px;
    left: 20px;
    right: 20px;
    padding: 12px;
    background: rgba(18,23,34,.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    flex-direction: column;
    align-items: stretch;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .grid.two,
  .grid.three,
  .link-grid {
    grid-template-columns: 1fr;
  }
  .container { padding: 42px 0; }
}