/* dark by default; light only when chosen with the toggle */
:root {
  --bg: #0a0c10;
  --panel: #11141a;
  --panel-2: #161a21;
  --border: #1f242c;
  --border-strong: #2b313b;
  --text: #ececef;
  --muted: #9ca3af;
  --faint: #5b6270;
  --accent: #4ade80;
  --accent-soft: rgba(74, 222, 128, .10);
  --glow: rgba(74, 222, 128, .07);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px -16px rgba(0,0,0,.6);
  --term-bg: #0d1015;
  --term-text: #d4d4d8;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #fafafa;
  --panel: #ffffff;
  --panel-2: #f4f4f5;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --text: #18181b;
  --muted: #52525b;
  --faint: #a1a1aa;
  --accent: #16a34a;
  --accent-soft: rgba(22, 163, 74, .10);
  --glow: rgba(22, 163, 74, .10);
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px -12px rgba(0,0,0,.12);
  --term-bg: #0f1115;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
code, .mono, pre, .eyebrow, .num, .kind, .chips, .c-label, .brand {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
}
code { font-size: .88em; background: var(--panel-2); border: 1px solid var(--border); padding: 1px 5px; border-radius: 5px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* soft accent glow + faint grid behind the hero */
.glow {
  position: absolute; inset: 0 0 auto 0; height: 720px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 320px at 75% 10%, var(--glow), transparent 70%),
    linear-gradient(var(--border) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--border) 1px, transparent 1px) 0 0 / 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
          mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
}

/* header */
.bar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.bar-inner { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 15px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.bar nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.bar nav a { color: var(--muted); transition: color .15s; }
.bar nav a:hover { color: var(--text); }
#theme {
  display: grid; place-items: center; width: 34px; height: 34px;
  color: var(--muted); background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; transition: color .15s, border-color .15s;
}
#theme:hover { color: var(--text); border-color: var(--border-strong); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center;
  padding: 104px 0 96px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px;
  font-size: 12.5px; color: var(--accent); letter-spacing: .02em;
  padding: 5px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
h1 {
  font-size: clamp(36px, 5.4vw, 60px); line-height: 1.06; letter-spacing: -0.035em;
  font-weight: 700; margin: 0 0 22px;
}
.lede { font-size: 18px; color: var(--muted); max-width: 52ch; margin: 0 0 32px; }
.lede strong { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; height: 44px; padding: 0 20px;
  font-size: 15px; font-weight: 500; border-radius: 10px;
  border: 1px solid var(--border-strong); background: var(--panel); color: var(--text);
  transition: transform .15s, border-color .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--faint); }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.primary:hover { border-color: var(--text); opacity: .92; }

/* terminal card (dark in both themes) */
.term {
  background: var(--term-bg); color: var(--term-text);
  border: 1px solid var(--border-strong); border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow), 0 30px 60px -30px var(--glow);
}
.term-top {
  display: flex; align-items: center; gap: 7px; padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.06); background: rgba(255,255,255,.02);
}
.term-top i { width: 10px; height: 10px; border-radius: 50%; background: #3a3f48; }
.term-top span { margin-left: 8px; font: 12px "JetBrains Mono", monospace; color: #6b7280; }
.term pre { margin: 0; padding: 20px 22px 24px; font-size: 13.5px; line-height: 1.75; white-space: pre-wrap; }
.term .p { color: #4ade80; }
.term .o { color: #9ca3af; }
.term .ok { color: #86efac; }
.caret { display: inline-block; width: 8px; height: 16px; vertical-align: -3px; background: #4ade80; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } .btn, .card { transition: none; } }

/* sections */
section { padding: 40px 0 72px; }
.sec-head { display: flex; gap: 20px; align-items: baseline; margin-bottom: 36px; }
.num { margin: 0; font-size: 13px; color: var(--accent); }
h2 { font-size: 30px; letter-spacing: -0.025em; margin: 0 0 6px; font-weight: 650; }
.sub { margin: 0; color: var(--muted); max-width: 62ch; }

/* project cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  display: flex; flex-direction: column; gap: 14px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; box-shadow: var(--shadow);
  transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.card.featured {
  background:
    radial-gradient(420px 200px at 100% 0%, var(--accent-soft), transparent 70%),
    var(--panel);
}
.card-head { display: flex; align-items: center; gap: 12px; }
.icon {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px;
  border-radius: 10px; background: var(--panel-2); border: 1px solid var(--border);
  font: 600 12px "JetBrains Mono", monospace; color: var(--accent);
}
h3 { margin: 0; font-size: 16.5px; font-weight: 600; letter-spacing: -0.01em; }
.kind { margin: 1px 0 0; font-size: 12px; color: var(--faint); }
.badge {
  margin-left: auto; font: 500 12px "JetBrains Mono", monospace;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border);
}
.badge.live { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.badge.live::before { content: "● "; }
.card p:not(.kind):not(.label) { margin: 0; color: var(--muted); font-size: 14.5px; }
.card .card-foot { margin-top: auto; padding-top: 6px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; font-size: 11.5px; }
.chips li { padding: 3px 9px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.link { font-size: 14.5px; font-weight: 500; color: var(--accent); }
.link:hover { text-decoration: underline; text-underline-offset: 3px; }
.soon { font: 12px "JetBrains Mono", monospace; color: var(--faint); }
.card .label {
  flex: none; margin: 4px 0 -6px; font: 500 11px "JetBrains Mono", monospace;
  letter-spacing: .08em; text-transform: uppercase; color: var(--faint);
}
.chips.hl li { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.chips.hl li::before { content: "★ "; }

/* better together */
.combos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.combo {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 22px; box-shadow: var(--shadow);
}
.pair { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 14px; font: 500 13px "JetBrains Mono", monospace; }
.pair span { padding: 4px 10px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--border); }
.pair b { color: var(--accent); font-weight: 600; }
.combo ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.combo li { position: relative; padding-left: 18px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.combo li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }

/* contact */
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.c-card {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 20px 22px; border-radius: 14px; background: var(--panel);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: border-color .2s, transform .2s;
}
a.c-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.c-label { font-size: 12px; color: var(--faint); }
.c-value { font-weight: 500; overflow-wrap: anywhere; }
.arrow { position: absolute; top: 18px; right: 20px; color: var(--faint); transition: color .2s; }
a.c-card:hover .arrow { color: var(--accent); }

footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding-top: 28px; padding-bottom: 40px; margin-top: 24px;
  border-top: 1px solid var(--border); font-size: 13px; color: var(--faint);
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding: 72px 0 64px; }
  .combos { grid-template-columns: 1fr 1fr; }
  .contact { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .bar nav { gap: 18px; }
  .hero { padding: 48px 0 48px; }
  .lede { font-size: 16.5px; }
  .grid, .contact, .combos { grid-template-columns: 1fr; }
  .sec-head { flex-direction: column; gap: 6px; }
  h2 { font-size: 26px; }
  .term pre { font-size: 12.5px; padding: 16px 16px 20px; }
}