/* ============================================================
   ABSTRACTOCCLUSION — brutalist design system
   Edit color/type tokens below to re-skin the whole site.
   ============================================================ */

:root {
  /* palette — concrete / monochrome */
  --bg:        #0b0b0c;
  --bg-2:      #121214;
  --surface:   #161618;
  --line:      #2a2a2e;
  --line-2:    #3a3a40;
  --text:      #ededed;
  --muted:     #8a8a90;
  --muted-2:   #5c5c63;
  /* single signal accent — swap this to re-theme */
  --accent:    #d6ff3f;   /* acid / occlusion-lumen */
  --accent-ink:#0b0b0c;

  /* type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* metrics */
  --maxw: 1280px;
  --gut: clamp(16px, 4vw, 56px);
  --border: 2px solid var(--line);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background:
    radial-gradient(1100px 780px at 82% -8%, rgba(214,255,63,.07), transparent 58%),
    radial-gradient(900px 720px at -5% 105%, rgba(120,160,255,.05), transparent 55%),
    linear-gradient(180deg, #101013 0%, var(--bg) 42%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* subtle grid texture on the page */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .12;
  pointer-events: none;
  z-index: 0;
}

/* ---------- layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); position: relative; z-index: 1; }
.row { display: flex; }
.mono-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}
.accent { color: var(--accent); }

/* ---------- header / nav ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,11,12,.82);
  backdrop-filter: blur(8px);
  border-bottom: var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 30px; height: 30px; filter: invert(1); }
.brand .name { font-family: var(--display); font-weight: 700; letter-spacing: .04em; font-size: 16px; }
.brand .name b { color: var(--accent); }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  padding: 8px 14px;
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid transparent;
  transition: .15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  border-color: var(--line-2);
  background: var(--surface);
}
.nav-links a[aria-current="page"] { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 2px solid var(--line-2); color: var(--text); width: 42px; height: 38px; }

/* ---------- ticker ---------- */
.ticker {
  border-bottom: var(--border);
  background: var(--accent);
  color: var(--accent-ink);
  overflow: hidden; white-space: nowrap;
}
.ticker .track {
  display: inline-block;
  padding: 7px 0;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 600;
  animation: scroll-x 32s linear infinite;
}
.ticker .track span { padding: 0 28px; }
@keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- hero ---------- */
.hero { border-bottom: var(--border); position: relative; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; display: block; }
.hero-inner { padding: clamp(48px, 9vw, 120px) 0 clamp(40px, 7vw, 90px); }
.eyebrow { display: inline-flex; gap: 10px; align-items: center; margin-bottom: 28px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(40px, 11vw, 132px);
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.hero h1 .stroke {
  -webkit-text-stroke: 2px var(--text);
  color: transparent;
}
.hero .lede {
  max-width: 60ch; margin-top: 28px; font-size: clamp(15px, 1.4vw, 18px); color: var(--muted);
}
.hero .lede b { color: var(--text); font-weight: 500; }
.hero-meta {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 0;
  border-top: var(--border); border-left: var(--border);
}
.hero-meta div {
  flex: 1 1 180px; padding: 16px 20px;
  border-right: var(--border); border-bottom: var(--border);
}
.hero-meta dt { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted-2); }
.hero-meta dd { font-family: var(--display); font-size: 20px; font-weight: 600; margin-top: 4px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px;
  border: 2px solid var(--text);
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600;
  transition: .15s;
}
.btn:hover { background: var(--text); color: var(--bg); }
.btn.accent-btn { border-color: var(--accent); color: var(--accent); }
.btn.accent-btn:hover { background: var(--accent); color: var(--accent-ink); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }

/* ---------- section scaffolding ---------- */
.section { border-bottom: var(--border); padding: clamp(48px,7vw,96px) 0; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 20px; margin-bottom: 44px; flex-wrap: wrap;
}
.section-head h2 {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(26px, 4.5vw, 52px); letter-spacing: -.01em; line-height: 1;
}
.section-head .idx { font-size: 12px; letter-spacing: .2em; color: var(--accent); }

/* ---------- project grid ---------- */
.toolbar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin-bottom: 32px; padding-bottom: 18px; border-bottom: 1px dashed var(--line-2);
}
.filter {
  padding: 8px 14px; border: 1px solid var(--line-2); background: transparent; color: var(--muted);
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  transition: .12s;
}
.filter:hover { color: var(--text); border-color: var(--text); }
.filter.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.filter .count { opacity: .55; margin-left: 6px; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0; border-top: var(--border); border-left: var(--border); }
.card {
  grid-column: span 4;
  border-right: var(--border); border-bottom: var(--border);
  padding: 0; position: relative; display: flex; flex-direction: column;
  min-height: 320px; transition: background .15s;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.012));
}
.card:hover { background: var(--surface); }
.card .thumb {
  aspect-ratio: 16/10; background: var(--bg-2); border-bottom: var(--border);
  display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative;
}
.card .thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.3) contrast(1.05); transition: .3s; }
.card:hover .thumb img { filter: grayscale(0) contrast(1.05); transform: scale(1.03); }
.card .thumb .ph { font-family: var(--mono); font-size: 11px; color: var(--muted-2); letter-spacing: .2em; }
.card .body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card .num { font-size: 11px; color: var(--muted-2); letter-spacing: .2em; }
.card h3 { font-family: var(--display); font-weight: 700; font-size: 24px; text-transform: uppercase; margin: 8px 0 6px; }
.card p { color: var(--muted); font-size: 13px; flex: 1; }
.card .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.tag {
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 8px; border: 1px solid var(--line-2); color: var(--muted);
}
.card .go { margin-top: 16px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); display: flex; gap: 8px; align-items: center; }
.card.hide { display: none; }

/* span helpers for asymmetric brutalist layout */
.card.wide { grid-column: span 8; }
.card.half { grid-column: span 6; }

/* ---------- about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: var(--border); }
.split > div { padding: clamp(24px,4vw,48px); }
.split > div + div { border-left: var(--border); }
.prose p { color: var(--muted); margin-bottom: 18px; max-width: 62ch; }
.prose p b { color: var(--text); font-weight: 500; }
.skill-list { display: flex; flex-direction: column; }
.skill-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.skill-list li:last-child { border-bottom: none; }
.skill-list .lang { font-family: var(--display); font-weight: 600; font-size: 18px; }
.bar { width: 120px; height: 6px; background: var(--line); position: relative; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent); display: block; }

/* ---------- code gallery ---------- */
.snip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.snippet { border: var(--border); background: var(--bg-2); display: flex; flex-direction: column; overflow: hidden; }
.snippet.hide { display: none; }
.snippet header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: var(--border); background: var(--surface);
}
.snippet header .t { font-family: var(--display); font-weight: 600; font-size: 15px; }
.snippet header .lang-tag { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: 3px 8px; }
.snippet .desc { padding: 12px 16px 0; color: var(--muted); font-size: 12px; }
.snippet pre { margin: 0; padding: 16px; overflow: auto; font-size: 12.5px; line-height: 1.55; max-height: 360px; }
.snippet pre code { font-family: var(--mono); background: none !important; }
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border: 1px solid var(--line-2); display: block; }

/* ---------- ambient music player ---------- */
.ambient-player {
  position: fixed; top: 14px; right: 16px; z-index: 60;
  display: flex; align-items: center; gap: 11px;
  padding: 7px 12px;
  background: rgba(11,11,12,.86);
  backdrop-filter: blur(8px);
  border: 2px solid var(--line-2);
}
.ambient-player .ap-toggle {
  width: 30px; height: 30px; flex: none;
  display: grid; place-items: center;
  background: transparent; border: 1px solid var(--line-2); color: var(--text);
  font-size: 10px; line-height: 1; transition: .12s;
}
.ambient-player .ap-toggle:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.ambient-player[data-state="playing"] .ap-toggle { color: var(--accent); border-color: var(--accent); }
.ambient-player .ap-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap;
}
.ambient-player[data-state="playing"] .ap-label { color: var(--accent); }
.ambient-player .ap-vol { width: 84px; accent-color: var(--accent); cursor: pointer; }

/* reserve space so the header nav never sits under the player */
@media (min-width: 641px) { .site-head .nav { padding-right: 230px; } }
@media (max-width: 640px) {
  .ambient-player { top: auto; bottom: 14px; right: 14px; }
  .ambient-player .ap-label { display: none; }
}

/* ---------- video ---------- */
.video-frame { border: var(--border); background: #000; }
.video-frame video { display: block; width: 100%; height: auto; }
.video-frame figcaption { padding: 12px 16px; border-top: var(--border); background: var(--surface); }

/* ---------- 3D model cards ---------- */
.mv-poster {
  display: flex; align-items: center; justify-content: center; height: 100%;
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--muted-2);
  text-align: center; padding: 20px;
}
.mv-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-top: var(--border); }
.mv-actions .btn { padding: 10px 16px; }
model-viewer { --poster-color: transparent; border-bottom: var(--border); }

/* ---------- detail page ---------- */
.detail-hero { border-bottom: var(--border); padding: clamp(40px,7vw,88px) 0; }
.detail-hero h1 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(40px,9vw,104px); line-height: .9; letter-spacing: -.02em; }
.detail-hero .tagline { color: var(--muted); font-size: clamp(15px,1.6vw,20px); margin-top: 20px; max-width: 60ch; }
.media-frame { border: var(--border); background: var(--bg-2); aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame .ph { color: var(--muted-2); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; }
.spec { display: grid; grid-template-columns: repeat(4,1fr); border: var(--border); border-bottom: none; }
.spec div { padding: 18px 20px; border-bottom: var(--border); border-right: var(--border); }
.spec div:nth-child(4n){ border-right: none; }
.spec dt { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted-2); }
.spec dd { font-family: var(--display); font-weight: 600; margin-top: 6px; }
.back-link { display: inline-flex; gap: 10px; align-items: center; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 28px; }
.back-link:hover { color: var(--accent); }

/* ---------- footer ---------- */
.site-foot { border-top: var(--border); padding: clamp(48px,7vw,90px) 0 40px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.foot-grid h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(30px,5vw,64px); line-height: .92; letter-spacing: -.01em; }
.foot-grid h3 a:hover { color: var(--accent); }
.foot-col .mono-label { display: block; margin-bottom: 16px; }
.foot-col a { display: block; padding: 7px 0; color: var(--muted); border-bottom: 1px solid var(--line); transition: .12s; }
.foot-col a:hover { color: var(--accent); padding-left: 8px; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 56px; padding-top: 20px; border-top: var(--border); font-size: 11px; letter-spacing: .1em; color: var(--muted-2); text-transform: uppercase; }

/* ---------- reveal ----------
   Content is ALWAYS visible. The entrance animation only plays in browsers
   where js/main.js loads AND opts in by setting <html class="js anim">.
   If scripts are blocked (some local previews), nothing is ever hidden. */
/* Animation disabled — content is always visible (the scroll reveal was
   unreliable in some local/preview contexts and could leave boxes empty). */
.reveal, .reveal.in { opacity: 1 !important; transform: none !important; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .card { grid-column: span 6; }
  .card.wide, .card.half { grid-column: span 12; }
  .snip-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split > div + div { border-left: none; border-top: var(--border); }
  .foot-grid { grid-template-columns: 1fr; }
  .spec { grid-template-columns: repeat(2,1fr); }
  .spec div:nth-child(4n){ border-right: var(--border); }
  .spec div:nth-child(2n){ border-right: none; }
}
@media (max-width: 640px) {
  .nav-links { position: fixed; inset: 68px 0 auto 0; background: var(--bg); flex-direction: column; border-bottom: var(--border); padding: 8px var(--gut); gap: 0; transform: translateY(-120%); transition: .25s; }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .card { grid-column: span 12; }
  .hero-meta div { flex-basis: 50%; }
}