/* ===== Tokens ===== */
:root {
  --bg: #0b0d10;
  --bg-elev: #0f1318;
  --bg-soft: #11161c;
  --line: #1c232c;
  --line-strong: #2a3340;
  --fg: #e6edf3;
  --fg-mute: #8b97a3;
  --fg-dim: #586673;
  --accent: #00ff9c;       /* terminal green */
  --accent-2: #7df9ff;     /* cyan */
  --warn: #ffcc66;
  --red: #ff6b6b;
  --yellow: #f1c40f;
  --green: #2ecc71;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 10px;
  --max: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(800px 400px at 80% -10%, rgba(0,255,156,0.08), transparent 60%),
    radial-gradient(600px 300px at 0% 30%, rgba(125,249,255,0.06), transparent 60%);
}

a { color: inherit; text-decoration: none; }
.muted { color: var(--fg-dim); font-family: var(--mono); font-weight: 400; }
.accent { color: var(--accent); }
.kw { color: var(--accent-2); font-family: var(--mono); }

/* ===== Top bar ===== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px;
  background: rgba(15,19,24,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
}
.topbar__left { display: flex; align-items: center; gap: 8px; color: var(--fg-mute); }
.topbar__file { margin-left: 12px; }
.topbar__nav { display: flex; gap: 22px; align-items: center; }
.topbar__nav a { color: var(--fg-mute); transition: color .2s; }
.topbar__nav a:hover { color: var(--accent); }
.topbar__cta {
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  padding: 6px 12px;
  border-radius: 6px;
}
.topbar__cta:hover { background: rgba(0,255,156,0.1); }

.dot {
  width: 12px; height: 12px; border-radius: 50%; display: inline-block;
}
.dot--red { background: var(--red); }
.dot--yellow { background: var(--yellow); }
.dot--green { background: var(--green); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 24px 60px;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-mute);
  background: var(--bg-elev);
}
.badge__pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(0,255,156,0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,255,156,0.6); }
  70% { box-shadow: 0 0 0 12px rgba(0,255,156,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,255,156,0); }
}
.hero__title {
  font-size: clamp(40px, 7vw, 84px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 18px 0 18px;
}
.hero__title .muted {
  font-size: clamp(14px, 1.4vw, 18px);
  letter-spacing: 0;
}
.hero__sub {
  color: var(--fg-mute);
  max-width: 640px;
  font-size: 17px;
  margin: 0 0 28px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  color: var(--fg);
  cursor: pointer;
  transition: transform .2s, border-color .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); color: var(--accent); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn--primary {
  background: var(--accent);
  color: #021;
  border-color: var(--accent);
  font-weight: 600;
}
.btn--primary:hover {
  background: transparent;
  color: var(--accent);
}
.btn--ghost { background: transparent; }
.btn--lg { font-size: 16px; padding: 16px 24px; }

/* ===== Terminal ===== */
.terminal {
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,0.6),
    0 0 0 1px rgba(0,255,156,0.05);
  max-width: 820px;
  background: #05080b;
}
.terminal__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: #0c1116;
  border-bottom: 1px solid var(--line);
}
.terminal__title {
  margin-left: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
}
.terminal__body {
  margin: 0;
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: #cdd6e0;
  white-space: pre-wrap;
  overflow-x: auto;
}
.t-prompt { color: var(--accent); }
.t-path { color: var(--accent-2); }
.t-ok { color: var(--accent); font-weight: 700; }
.t-key { color: var(--warn); }
.t-str { color: #b3e5a7; }
.t-bool { color: #ffb86c; }
.t-cursor {
  display: inline-block;
  background: var(--accent);
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ===== Stats ===== */
.stats {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat { text-align: left; }
.stat__num {
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat__label {
  font-family: var(--mono);
  color: var(--fg-dim);
  font-size: 13px;
}

/* ===== Sections ===== */
.section { padding: 100px 24px; }
.section--alt { background: var(--bg-elev); border-block: 1px solid var(--line); }
.section__head {
  max-width: var(--max);
  margin: 0 auto 48px;
}
.section__tag {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.section__head h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
}
.section__lead {
  color: var(--fg-mute);
  max-width: 680px;
  font-size: 17px;
}
.section__close {
  max-width: var(--max);
  margin: 32px auto 0;
  font-family: var(--mono);
  font-size: 28px;
}

/* ===== Cards ===== */
.cards {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  transition: transform .25s, border-color .25s, background .25s;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: #131922;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  pointer-events: none;
  transition: background .3s;
}
.card:hover::before {
  background: linear-gradient(135deg, rgba(0,255,156,0.4), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}
.card__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(0,255,156,0.08);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 18px;
  margin-bottom: 16px;
}
.card__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.card p { color: var(--fg-mute); margin: 0 0 14px; }

.taglist {
  display: flex; flex-wrap: wrap; gap: 6px;
  list-style: none; padding: 0; margin: 0;
}
.taglist li {
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--fg-mute);
}

.card--project .card__meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.pill {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}
.pill--green { background: rgba(46,204,113,0.15); color: var(--accent); border: 1px solid rgba(0,255,156,0.3); }
.card__code {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
  background: #0a0e12;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-top: 14px;
}

/* ===== Ticker ===== */
.ticker {
  max-width: 100%;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 22px 0;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.ticker__track {
  display: inline-flex;
  gap: 28px;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
  font-family: var(--mono);
  font-size: 22px;
  color: var(--fg-mute);
}
.ticker__track span:nth-child(odd) { color: var(--fg); }
.ticker__track span:nth-child(even) { color: var(--accent); }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== Commits ===== */
.commits {
  max-width: var(--max);
  margin: 0 auto;
  list-style: none;
  padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  font-family: var(--mono);
  font-size: 15px;
}
.commits li {
  display: grid;
  grid-template-columns: 110px 180px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  background: var(--bg-soft);
  transition: transform .2s, border-color .2s;
}
.commits li:hover { transform: translateX(4px); border-left-color: var(--accent-2); }
.commits .hash {
  color: var(--warn);
  background: rgba(255,204,102,0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
  width: fit-content;
}
.commits strong { color: var(--accent); font-weight: 600; }
.commits span { color: var(--fg-mute); font-family: var(--sans); font-size: 14px; }

/* ===== CTA ===== */
.cta {
  padding: 120px 24px;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(0,255,156,0.12), transparent 60%),
    var(--bg);
  text-align: center;
  border-top: 1px solid var(--line);
}
.cta__inner { max-width: 720px; margin: 0 auto; }
.cta h2 {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.2;
  margin: 16px 0 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.cta p { color: var(--fg-mute); margin-bottom: 32px; font-size: 17px; }

/* ===== Footer ===== */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 32px;
  border-top: 1px solid var(--line);
}
.footer__col { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: 14px; color: var(--fg-mute); }
.footer__col h4 { color: var(--fg); margin: 0 0 6px; font-size: 13px; font-weight: 500; }
.footer__col a { color: var(--fg-mute); transition: color .2s; }
.footer__col a:hover { color: var(--accent); }
.footer__col p { margin: 8px 0 0; }
.logo {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}
.logo__brace { color: var(--accent); }
.footer__bottom {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between;
  padding-top: 24px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .topbar__nav a:not(.topbar__cta) { display: none; }
  .topbar__file { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards--2, .cards--3 { grid-template-columns: 1fr; }
  .commits li { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr 1fr; }
  .hero { padding: 60px 18px 40px; }
  .section { padding: 72px 18px; }
}
@media (max-width: 520px) {
  .footer { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 6px; }
  .terminal__body { font-size: 12px; padding: 14px; }
}