/* ---------- Base ---------- */
:root {
  --bg: #0b1220;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --accent: #7c3aed; /* nerdy violet */
  --accent-2: #22c55e; /* terminal green */
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1100px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 0%, rgba(124, 58, 237, 0.18), transparent 55%),
              radial-gradient(900px 600px at 100% 20%, rgba(34, 197, 94, 0.10), transparent 55%),
              var(--bg);
  line-height: 1.55;
}

/* Subtle grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(700px 450px at 50% 20%, black 40%, transparent 78%);
}

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

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.skip-link:focus { left: 1rem; z-index: 9999; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 220px;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(124,58,237,0.35), rgba(34,197,94,0.18));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  font-family: var(--mono);
  font-weight: 700;
}

.name { font-weight: 700; letter-spacing: 0.2px; }
.tagline { font-size: 0.88rem; color: var(--muted); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: flex-end;
}
.nav a {
  font-size: 0.92rem;
  color: var(--muted);
  padding: 0.35rem 0.55rem;
  border-radius: 10px;
}
.nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1.2rem;
  padding: 2rem 0 1.2rem;
}

.hero-card {
  padding: 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-top {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.pill {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(124,58,237,0.35);
  background: rgba(124,58,237,0.12);
}
.pill.ghost {
  border-color: rgba(34,197,94,0.35);
  background: rgba(34,197,94,0.10);
}

h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.7rem, 2.8vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.3px;
}
.accent { color: rgba(255,255,255,0.96); }
.accent::after {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-left: 0.35rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, var(--accent), rgba(124,58,237,0.15));
  vertical-align: middle;
  opacity: 0.9;
}

.muted { color: var(--muted); }

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2px;
}
.btn:hover { text-decoration: none; background: rgba(255,255,255,0.09); }
.btn.primary {
  border-color: rgba(124,58,237,0.38);
  background: linear-gradient(135deg, rgba(124,58,237,0.32), rgba(124,58,237,0.14));
}

/* Terminal card */
.terminal {
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.22);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.25);
}
.terminal-title {
  margin-left: 0.35rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--muted);
}

.terminal-body {
  margin: 0;
  padding: 1rem 1rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.86);
}
.terminal-body code { color: inherit; }
.terminal-body code::selection { background: rgba(34,197,94,0.25); }

/* ---------- Sections ---------- */
.section {
  padding: 1.7rem 0 0.5rem;
}

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}
.section-title h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.2px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.grid.two { grid-template-columns: 1fr 1fr; }

.card {
  padding: 1.15rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 10px 32px rgba(0,0,0,0.22);
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.badge {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--muted);
  background: rgba(255,255,255,0.05);
}

.item { padding-top: 0.85rem; border-top: 1px dashed rgba(255,255,255,0.14); }
.item:first-of-type { border-top: none; padding-top: 0; }
.item-title { font-weight: 650; margin-bottom: 0.25rem; }

/* Chips */
.chipset {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.chip {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.86);
}

/* Languages list */
.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}
.list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
}
.key { font-weight: 650; }
.value { color: var(--muted); font-family: var(--mono); }

/* Footer */
.footer {
  padding: 2.2rem 0 2.6rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; }
  .nav { display: none; }
  .grid { grid-template-columns: 1fr; }
  .grid.two { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}