:root {
  --bg: #0b0a10;
  --bg2: #12111a;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #ece9f5;
  --dim: #8d88a3;
  --berry: #ff3d6e;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --grad: linear-gradient(120deg, var(--berry), var(--violet) 55%, var(--cyan));
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --radius: 20px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--berry); color: #fff; }
.dim { color: var(--dim); }

#bg { position: fixed; inset: 0; z-index: -2; width: 100%; height: 100%; }
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 520px; height: 520px; z-index: -1;
  margin: -260px 0 0 -260px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16), transparent 65%);
  transition: transform 0.12s ease-out;
}
.progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 100;
  background: var(--grad); transform: scaleX(0); transform-origin: left;
}

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px clamp(20px, 5vw, 64px);
  transition: background 0.3s, backdrop-filter 0.3s, padding 0.3s;
}
.nav.scrolled {
  background: rgba(11, 10, 16, 0.7); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); padding-block: 10px;
}
.brand { font-family: var(--mono); font-weight: 700; letter-spacing: -0.02em; }
.nav nav { display: flex; gap: 6px; align-items: center; }
.nav nav a { padding: 8px 14px; border-radius: 999px; color: var(--dim); font-size: 0.95rem; transition: color 0.2s, background 0.2s; }
.nav nav a:hover { color: var(--text); background: var(--card); }
.nav nav a.pill { background: var(--grad); color: #fff; font-weight: 500; }

main { max-width: 1180px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }

/* HERO */
.hero {
  min-height: 100vh; display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 56px; align-items: center; padding-top: 110px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); font-family: var(--mono); font-size: 0.78rem; color: var(--dim);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1.08; letter-spacing: -0.035em; margin: 0 0 24px; }
.grad, .typed { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.caret { color: var(--cyan); animation: blink 1s steps(1) infinite; font-weight: 300; }
@keyframes blink { 50% { opacity: 0; } }
.lead { font-size: 1.15rem; color: var(--dim); max-width: 34em; margin: 0 0 34px; }

.cta { display: flex; gap: 14px; flex-wrap: wrap; }
.cta.center { justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px;
  border-radius: 14px; font-weight: 500; transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn.primary { background: var(--grad); color: #fff; box-shadow: 0 10px 34px -10px var(--berry); }
.btn.primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -10px var(--violet); }
.btn.primary span { transition: transform 0.2s; }
.btn.primary:hover span { transform: translateX(4px); }
.btn.ghost { border: 1px solid var(--border); background: var(--card); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-3px); }

.hero-card { position: relative; }
.term {
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: rgba(18, 17, 26, 0.85); backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -30px rgba(139, 92, 246, 0.5);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-12px); } }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: 0.75rem; color: var(--dim); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: 10px; }
.term pre { margin: 0; padding: 20px; min-height: 250px; font-family: var(--mono); font-size: 0.82rem; line-height: 1.75; color: #b9f3c9; white-space: pre-wrap; }
.term pre .k { color: var(--cyan); }
.term pre .w { color: var(--berry); }
.chip {
  position: absolute; padding: 7px 14px; border-radius: 999px; font-family: var(--mono); font-size: 0.75rem;
  background: rgba(18, 17, 26, 0.9); border: 1px solid var(--border); animation: float 5s ease-in-out infinite;
}
.c1 { top: -18px; right: 20px; color: var(--berry); }
.c2 { bottom: 30px; left: -26px; color: var(--cyan); animation-delay: -1.5s; }
.c3 { bottom: -16px; right: 50px; color: var(--violet); animation-delay: -3s; }

/* STATS */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 20px 0 40px;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--border);
}
.stats div { background: var(--bg2); padding: 28px 20px; text-align: center; }
.stats b { display: block; font-size: 2.4rem; font-family: var(--mono); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { color: var(--dim); font-size: 0.85rem; }

/* SECTIONS */
.section { padding: 90px 0 30px; }
.section-head { margin-bottom: 38px; }
.kicker { font-family: var(--mono); font-size: 0.8rem; color: var(--berry); letter-spacing: 0.08em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.03em; margin: 6px 0 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; color: var(--dim); font-size: 1.08rem; }
.about-grid p { margin: 0; }
.about-grid strong { color: var(--text); font-weight: 500; }

/* FILTERS */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.f {
  font: inherit; font-size: 0.9rem; cursor: pointer; padding: 9px 20px; border-radius: 999px;
  color: var(--dim); background: var(--card); border: 1px solid var(--border); transition: all 0.2s;
}
.f:hover { color: var(--text); }
.f.active { color: #fff; background: var(--grad); border-color: transparent; }

/* CARDS */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  position: relative; padding: 28px; border-radius: var(--radius); overflow: hidden;
  background: var(--card); border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s, opacity 0.4s, filter 0.4s;
  transform-style: preserve-3d;
}
.card.featured { grid-column: span 1; }
.card:hover { border-color: rgba(255, 61, 110, 0.5); }
.card.hide { display: none; }
.card-glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 61, 110, 0.16), transparent 60%);
}
.card:hover .card-glow { opacity: 1; }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.icon {
  width: 50px; height: 50px; display: grid; place-items: center; border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 61, 110, 0.18), rgba(139, 92, 246, 0.18));
  border: 1px solid var(--border); color: var(--berry);
}
.icon svg { width: 25px; height: 25px; }
.status { font-family: var(--mono); font-size: 0.7rem; padding: 5px 11px; border-radius: 999px; background: rgba(34, 211, 238, 0.1); color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.25); }
.card h3 { margin: 0 0 4px; font-size: 1.35rem; letter-spacing: -0.02em; }
.tagline { margin: 0 0 12px; color: var(--berry); font-size: 0.92rem; font-weight: 500; }
.desc { margin: 0 0 20px; color: var(--dim); font-size: 0.95rem; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 7px; }
.tags li { font-family: var(--mono); font-size: 0.7rem; padding: 4px 10px; border-radius: 8px; background: rgba(255, 255, 255, 0.06); color: var(--text); }

/* SKILLS */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.skill-col { padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.skill-col h4 { margin: 0 0 16px; font-family: var(--mono); font-size: 0.85rem; color: var(--cyan); font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { padding: 7px 14px; border-radius: 10px; font-size: 0.88rem; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border); transition: all 0.2s; }
.chips span:hover { border-color: var(--berry); color: var(--berry); transform: translateY(-2px); }

/* CONTACT */
.contact { padding-bottom: 90px; }
.contact-card {
  text-align: center; padding: clamp(40px, 7vw, 80px) 28px; border-radius: 28px; border: 1px solid var(--border);
  background: radial-gradient(ellipse at top, rgba(139, 92, 246, 0.2), transparent 60%), var(--card);
}
.contact-card h2 { margin: 10px 0 14px; }
.contact-card p { color: var(--dim); max-width: 34em; margin: 0 auto 32px; }

footer { text-align: center; padding: 34px 20px; border-top: 1px solid var(--border); color: var(--dim); font-size: 0.85rem; }
footer p { margin: 4px 0; }
footer a:hover { color: var(--berry); }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; transition-delay: calc(var(--i, 0) * 70ms); }
.reveal.in { opacity: 1; transform: none; }
.card.reveal.in { transition: opacity 0.8s ease, transform 0.25s ease, border-color 0.25s; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-bottom: 50px; }
  .grid, .skills { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 620px) {
  .grid, .skills { grid-template-columns: 1fr; }
  .nav nav a:not(.pill) { display: none; }
  .c2 { left: -6px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* AIO-TX PAGE */
a.card { display: block; color: inherit; }
.more { display: inline-block; margin-top: 16px; font-size: 0.85rem; color: var(--berry); font-weight: 500; }
.nav nav a.aio-link { color: var(--cyan); }
.nav nav a.aio-link.current { background: var(--card); }
.grid.feat .card:hover { border-color: rgba(34, 211, 238, 0.5); }
.board {
  position: relative; aspect-ratio: 1.25; border-radius: var(--radius); padding: 22px;
  background-color: #0a2a26;
  background-image: linear-gradient(rgba(34,211,238,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(34,211,238,.08) 1px, transparent 1px);
  background-size: 22px 22px; border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow: 0 30px 80px -30px rgba(34, 211, 238, 0.45); animation: float 6s ease-in-out infinite; overflow: hidden;
}
.board-label { font-family: var(--mono); font-weight: 700; color: #b9f3e6; }
.board-label small { color: var(--berry); margin-left: 6px; }
.pins { position: absolute; left: 22px; right: 22px; bottom: 22px; display: flex; justify-content: space-between; }
.pins i { width: 10px; height: 26px; border-radius: 3px; background: linear-gradient(#f5d78a, #b88a2a); }
.die { position: absolute; top: 50%; left: 50%; width: 92px; height: 92px; margin: -58px 0 0 -46px; display: grid; place-items: center; border-radius: 12px; background: #0b0a10; border: 1px solid var(--border); color: var(--cyan); }
.die svg { width: 52px; height: 52px; }
.wave { position: absolute; top: 20px; right: 22px; display: flex; gap: 4px; align-items: flex-end; height: 26px; }
.wave i { width: 4px; border-radius: 2px; background: var(--berry); animation: eq 1.1s ease-in-out infinite; }
.wave i:nth-child(2) { animation-delay: -.2s; } .wave i:nth-child(3) { animation-delay: -.4s; }
.wave i:nth-child(4) { animation-delay: -.6s; } .wave i:nth-child(5) { animation-delay: -.8s; }
@keyframes eq { 0%, 100% { height: 6px; } 50% { height: 26px; } }
.timeline { list-style: none; margin: 0; padding: 0 0 0 28px; border-left: 2px solid var(--border); max-width: 640px; }
.timeline li { position: relative; padding: 0 0 34px 26px; }
.timeline .node { position: absolute; left: -38px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--dim); }
.timeline .done .node { background: #34d399; border-color: #34d399; box-shadow: 0 0 14px #34d399; }
.timeline .next .node { border-color: var(--berry); animation: pulse 2s infinite; }
.timeline h4 { margin: 0 0 4px; font-size: 1.2rem; }
.timeline h4 em { font-style: normal; font-family: var(--mono); font-size: 0.72rem; margin-left: 10px; padding: 4px 10px; border-radius: 999px; background: rgba(34,211,238,.1); color: var(--cyan); }
.timeline p { margin: 0; color: var(--dim); }
.aio-hero { min-height: 92vh; }

/* OPEN SOURCE */
.oss {
  position: relative; overflow: hidden; padding: clamp(28px, 5vw, 56px); border-radius: 28px;
  border: 1px solid var(--border);
  background: radial-gradient(ellipse at 90% 0%, rgba(255, 61, 110, 0.14), transparent 55%),
              radial-gradient(ellipse at 0% 100%, rgba(34, 211, 238, 0.10), transparent 55%), var(--card);
}
.oss-lead { margin: 0 0 30px; max-width: 34em; font-size: 1.2rem; color: var(--dim); }
.oss-lead .smile { color: var(--berry); font-family: var(--mono); font-weight: 700; }
.oss-quote {
  margin: 0 0 30px; padding: 0 0 0 22px; border-left: 3px solid var(--berry);
  display: flex; flex-direction: column; gap: 2px;
  font-size: clamp(1.5rem, 4.2vw, 2.7rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.2;
}
.oss-quote em {
  font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.oss-warn {
  display: inline-block; margin: 0 0 30px; padding: 12px 18px; border-radius: 14px;
  background: rgba(251, 191, 36, 0.09); border: 1px solid rgba(251, 191, 36, 0.35); color: #fcd34d; font-weight: 500;
}