/* Main site styles */

:root {
  --bg: #0f172a;           /* slate-900 */
  --panel: #111827;        /* gray-900 */
  --text: #e5e7eb;         /* gray-200 */
  --muted: #94a3b8;        /* slate-400 */
  --brand: #22d3ee;        /* cyan-400 */
  --brand-2: #a78bfa;      /* violet-400 */
  --border: #1f2937;       /* gray-800 */
  --card: #0b1220;         /* deeper panel */
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(34,211,238,.15), transparent 60%),
              radial-gradient(1000px 600px at 120% 10%, rgba(167,139,250,.12), transparent 60%),
              var(--bg);
  line-height: 1.6;
}

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

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

/* Header / Navbar */
.header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(15,23,42,.8);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  font-weight: 700;
  letter-spacing: .2px;
}
.nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  padding: 0;
  margin: 0;
}
.nav a {
  color: var(--text);
  opacity: .9;
}
.nav a:hover {
  color: white;
  opacity: 1;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: center;
  padding: 40px 0 24px;
}
.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(167,139,250,.25);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.hero h1 {
  margin: 0;
  font-size: 28px;
}
.hero p { color: var(--muted); margin: 8px 0 0; }

/* Sections */
.section { margin: 26px 0; }
.section h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 14px 0;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 40%), var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  min-height: 120px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(34,211,238,.35);
  box-shadow: 0 14px 34px rgba(0,0,0,.45);
}
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .tags { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 12px; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.tag.cyan { border-color: rgba(34,211,238,.4); color: #99f6e4; }
.tag.violet { border-color: rgba(167,139,250,.4); color: #ddd6fe; }

/* Footer */
.footer { border-top: 1px solid var(--border); color: var(--muted); padding: 18px 0; margin-top: 24px; font-size: 14px; }

/* Responsive */
@media (max-width: 640px) {
  .hero { grid-template-columns: 80px 1fr; }
  .avatar { width: 80px; height: 80px; }
}