:root {
  --black: #000;
  --ink: #0d0d12;
  --panel: #16161a;
  --accent: #ffe600;
  --white: #fff;
  --dim: #b8b8c0;
  --text: #0a0a0a;
  --muted: #6b7280;
  --bg-subtle: #f9fafb;
  --border: #e5e7eb;
  --display: 'Bebas Neue', Impact, sans-serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--text); background: var(--black); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 2rem; }
.accent { color: var(--accent); }
.outline { -webkit-text-stroke: 2px rgba(255,255,255,.85); color: transparent; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; font-size: .8125rem; letter-spacing: .08em; text-transform: uppercase; padding: 14px 28px; transition: all .15s ease; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #fff; transform: translateY(-2px); }
.btn-outline { border: 2px solid rgba(255,255,255,.3); color: #fff; padding: 12px 28px; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.05); }
.btn-dark { background: #000; color: #fff; }
.btn-dark:hover { background: var(--accent); color: #000; transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: .75rem; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(0,0,0,.85); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--display); font-size: 1.9rem; letter-spacing: .04em; color: #fff; line-height: 1; }
.logo-mark { width: 22px; height: 22px; border: 3px solid var(--accent); position: relative; transform: rotate(45deg); }
.logo-mark::after { content: ''; position: absolute; inset: 4px; background: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a:not(.btn) { color: #d4d4d8; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.nav-links a:not(.btn):hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: .2s; }

/* ---------- Eyebrow / headings ---------- */
.eyebrow { display: flex; align-items: center; gap: .9rem; color: var(--accent); font-size: .7rem; font-weight: 800; letter-spacing: .3em; text-transform: uppercase; margin-bottom: 1.5rem; }
.eyebrow-bar { width: 2.5rem; height: 2px; background: var(--accent); }
.eyebrow.dark { color: var(--text); }
.eyebrow.dark .eyebrow-bar { background: var(--text); }
.display { font-family: var(--display); font-weight: 400; font-size: clamp(3.2rem, 7vw, 7rem); line-height: .92; letter-spacing: .01em; color: #fff; margin-bottom: 1.75rem; }
.display span { display: block; }
.display-md { font-family: var(--display); font-weight: 400; font-size: clamp(2.6rem, 5vw, 4.5rem); line-height: .95; letter-spacing: .01em; }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.3rem); color: var(--dim); max-width: 36rem; line-height: 1.6; }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--black); overflow: hidden; padding: 5rem 0 7rem; }
.hero-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: 4rem; align-items: center; min-height: min(70vh, 720px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2.5rem 0 2.5rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.hero-tags li { font-family: var(--mono); font-size: .72rem; color: #a1a1aa; border: 1px solid rgba(255,255,255,.14); padding: .35rem .75rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-diagonal { position: absolute; left: 0; right: 0; bottom: -1px; height: 80px; background: var(--accent); clip-path: polygon(0 100%, 100% 0, 100% 100%); }

.hero-visual { display: flex; justify-content: center; }
.core-svg { width: 100%; max-width: 460px; overflow: visible; }
.ring { fill: none; stroke: rgba(255,255,255,.15); stroke-width: 1; }
.ring-1 { stroke-dasharray: 4 10; animation: spin 60s linear infinite; transform-origin: 200px 200px; }
.ring-2 { stroke: rgba(255,230,0,.35); stroke-dasharray: 60 20; animation: spin 30s linear infinite reverse; transform-origin: 200px 200px; }
.ring-3 { stroke: rgba(255,255,255,.25); }
.traces path { fill: none; stroke: rgba(255,255,255,.2); stroke-width: 1.5; }
.pins path { stroke: var(--accent); stroke-width: 3; }
.chip { fill: var(--panel); stroke: var(--accent); stroke-width: 2; }
.chip-label { font-family: var(--display); font-size: 44px; fill: #fff; text-anchor: middle; letter-spacing: 2px; }
.chip-sub { font-family: var(--mono); font-size: 11px; fill: var(--accent); text-anchor: middle; letter-spacing: 2px; }
.node { fill: var(--accent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .25; } }

/* ---------- Strip ---------- */
.strip { background: var(--accent); overflow: hidden; border-bottom: 2px solid #000; }
.strip-track { display: flex; gap: 3rem; width: max-content; padding: 1rem 0; animation: marquee 35s linear infinite; }
.strip-track span { font-family: var(--display); font-size: 1.6rem; letter-spacing: .06em; color: #000; white-space: nowrap; }
.strip-track span::after { content: '✦'; margin-left: 3rem; font-size: 1rem; vertical-align: middle; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { position: relative; padding: 7rem 0; }
.light { background: var(--white); }
.dark-sec { background: var(--ink); color: #fff; overflow: hidden; }
.section-head { margin-bottom: 3.5rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.card { padding: 2.5rem 2rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background .2s ease; position: relative; }
.card::before { content: ''; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--accent); transition: width .3s ease; }
.card:hover { background: var(--bg-subtle); }
.card:hover::before { width: 100%; }
.num { font-family: var(--mono); font-size: .8rem; font-weight: 700; color: var(--muted); }
.card h3 { font-family: var(--display); font-weight: 400; font-size: 2rem; letter-spacing: .02em; margin: 1rem 0 .6rem; }
.card p { color: var(--muted); font-size: .95rem; }

/* Steps */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); }
.step { background: var(--ink); padding: 2.25rem 2rem; transition: background .2s; }
.step:hover { background: var(--panel); }
.step-n { font-family: var(--display); font-size: 3.5rem; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--accent); }
.step h3 { font-family: var(--display); font-weight: 400; font-size: 1.9rem; letter-spacing: .03em; margin: .75rem 0 .4rem; }
.step p { color: var(--dim); font-size: .95rem; }

/* Stack */
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.stack-col h4 { font-size: .75rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; padding-bottom: .9rem; margin-bottom: 1rem; border-bottom: 2px solid #000; }
.stack-col li { font-family: var(--mono); font-size: .9rem; padding: .55rem 0; border-bottom: 1px solid var(--border); color: #27272a; }
.stack-col li::before { content: '▸ '; color: var(--muted); }

/* Portfolio */
.port-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; }
.port-note { color: var(--dim); margin-top: 1rem; font-size: .95rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter { font: 700 .72rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: #d4d4d8; background: transparent; border: 1px solid rgba(255,255,255,.2); padding: .75rem 1.1rem; cursor: pointer; transition: all .15s ease; }
.filter:hover { border-color: #fff; color: #fff; }
.filter.active { background: var(--accent); border-color: var(--accent); color: #000; }
.portfolio { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1.5rem; }
.work { background: var(--panel); border: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.work:hover { border-color: var(--accent); transform: translateY(-4px); }
.work.hide { display: none; }
.work-img { aspect-ratio: 800 / 560; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.08); }
.work-img img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .4s ease; }
.work:hover .work-img img { transform: scale(1.04); }
.work-body { padding: 1.5rem 1.5rem 1.75rem; }
.work-tag { font-family: var(--mono); font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); }
.work h3 { font-family: var(--display); font-weight: 400; font-size: 1.8rem; line-height: 1.05; letter-spacing: .02em; margin: .6rem 0 .5rem; }
.work-body p:last-child { color: var(--dim); font-size: .92rem; }

/* About */
.about-inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about.light { background: var(--bg-subtle); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about .lead { color: var(--text); margin-bottom: 1.25rem; }
.about .body-dim { color: var(--muted); }
.outline-dark { -webkit-text-stroke: 2px var(--text); color: transparent; }
.body-dim { color: var(--dim); }

/* Paths */
.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.path { padding: 3rem 2.5rem; border: 2px solid #000; display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; }
.path-accent { background: var(--accent); }
.path-tag { font-family: var(--mono); font-size: .75rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.path h3 { font-family: var(--display); font-weight: 400; font-size: 3rem; line-height: 1; }
.path p:not(.path-tag) { color: #3f3f46; max-width: 30rem; flex-grow: 1; }

/* Footer */
.footer { background: var(--black); color: #a1a1aa; padding: 5rem 0 2rem; border-top: 4px solid var(--accent); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand p { margin: 1rem 0; max-width: 24rem; }
.footer-mail { color: var(--accent); font-weight: 600; }
.footer-col { display: flex; flex-direction: column; gap: .6rem; }
.footer-col h5 { color: #fff; font-size: .75rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; margin-bottom: .5rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; font-size: .8rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .strip-track, .ring-1, .ring-2, .node { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-inner, .about-inner { grid-template-columns: minmax(0,1fr); gap: 3rem; min-height: 0; }
  .hero-visual { order: -1; }
  .core-svg { max-width: 300px; }
  .cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .portfolio { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stack { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .wrap { padding: 0 1rem; }
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #000; border-bottom: 1px solid rgba(255,255,255,.1); max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .nav-links.open { max-height: 400px; }
  .nav-links a { padding: 1rem; border-top: 1px solid rgba(255,255,255,.06); }
  .nav-links .btn { margin: 1rem; justify-content: center; }
  .section { padding: 5rem 0; }
  .cards, .steps, .stack, .paths, .footer-inner, .portfolio { grid-template-columns: minmax(0,1fr); }
  .core-svg { max-width: 240px; }
  .path { padding: 2rem 1.5rem; }
  .hero { padding: 3rem 0 6rem; }
}