/* ============ Tokens ============
   Near-black canvas, neutral greys, one soft champagne accent used sparingly. */
:root {
  --bg: #000000;
  --surface: #0b0b0b;
  --surface-2: #131313;
  --line: #222222;
  --line-soft: #171717;
  --text: #ececec;
  --text-2: #a0a0a0;
  --text-3: #686868;
  --accent: #c9b28e;            /* the only colour; use lightly */
  --accent-2: #d6d6d6;          /* neutral stand-ins so older markup stays monochrome */
  --accent-3: #8c8c8c;
  --ok: #8fb89b;                /* muted signal colours, only in the collision-warning demo */
  --warn: #cdb779;
  --danger: #c98a8a;
  --tile: #161616;
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1120px;
  --font-sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: underline; text-decoration-color: var(--text-3); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
strong, b { font-weight: 500; color: var(--text); }
code, pre, .mono { font-family: var(--font-mono); }
code { font-size: .84em; font-weight: 400; background: var(--surface-2); border: 1px solid var(--line-soft); padding: .08em .38em; border-radius: 5px; color: var(--text); }
h1, h2, h3, h4, h5 { font-family: var(--font-sans); font-weight: 200; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h4, h5 { font-weight: 400; letter-spacing: -.005em; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; margin: 0 0 1em; }
li { margin-bottom: .4em; }
li::marker { color: var(--text-3); }
::selection { background: var(--accent); color: #000; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }

/* ============ Nav ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, .78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.brand { font-weight: 300; font-size: 1.05rem; letter-spacing: .02em; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--accent); color: var(--accent); font-size: .7rem; font-weight: 400; letter-spacing: .06em;
}
.nav-links { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: var(--text-2); font-size: .9rem; font-weight: 300; padding: 8px 14px; display: block; text-decoration: none;
  position: relative; transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 1px; background: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: transparent;
  color: var(--text-2); display: grid; place-items: center; cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-3); }
/* On small screens the menu stays visible: brand on top, links in a scrollable row underneath */
@media (max-width: 900px) {
  .nav .container { flex-direction: column; align-items: stretch; height: auto; gap: 0; padding-top: 12px; }
  .brand { justify-content: center; padding-bottom: 6px; }
  .nav-links {
    justify-content: center; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch;
    margin: 0 -16px; padding: 0 12px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { padding: 10px 10px 12px; font-size: .86rem; white-space: nowrap; }
  .nav-links a.active::after { left: 10px; right: 10px; bottom: 6px; }
  html { scroll-padding-top: 110px; }
}
@media (max-width: 480px) {
  .nav-links { margin: 0 -12px; padding: 0 4px; }
  .nav-links a { padding: 10px 6px 12px; font-size: .78rem; }
  .nav-links a.active::after { left: 6px; right: 6px; }
}

/* ============ Sections ============ */
section { padding: 88px 0; }
section + section { border-top: 1px solid var(--line-soft); }
@media (max-width: 600px) { section { padding: 60px 0; } }
.eyebrow {
  font-family: var(--font-mono); font-size: .74rem; font-weight: 300; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px; display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.section-title { font-size: clamp(2.2rem, 4.6vw, 3.4rem); margin-bottom: 16px; }
.section-lead { color: var(--text-2); font-size: 1.12rem; max-width: 700px; margin-bottom: 48px; }

.page-head { padding: 96px 0 56px; border-bottom: 1px solid var(--line-soft); }
.page-head h1 { font-size: clamp(2.8rem, 7vw, 5rem); margin-bottom: 18px; }
.page-head .section-lead { margin-bottom: 0; }
@media (max-width: 600px) { .page-head { padding: 64px 0 40px; } }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; border-radius: 999px; font-weight: 400;
  font-size: .92rem; border: 1px solid var(--line); color: var(--text); background: transparent; cursor: pointer;
  text-decoration: none; transition: border-color .2s, background .2s, color .2s; font-family: var(--font-sans);
}
.btn:hover { border-color: var(--text-2); }
.btn.primary { background: var(--text); color: #000; border-color: var(--text); }
.btn.primary:hover { background: #fff; }
.btn svg { width: 16px; height: 16px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.chip {
  display: inline-block; font-family: var(--font-mono); font-size: .74rem; font-weight: 300; padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-2);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* ============ Home / hero ============ */
.hero { padding: 104px 0 96px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 44px; } .hero { padding: 64px 0; } }
.hero-bg { display: none; }
.hero .container { position: relative; }
.hello { font-family: var(--font-mono); color: var(--text-3); font-size: .85rem; font-weight: 300; margin-bottom: 18px; letter-spacing: .04em; }
.hero h1 { font-size: clamp(3rem, 7.4vw, 5.6rem); margin-bottom: 26px; }
.hero h1 .grad { color: var(--accent); }
.hero .role { font-size: 1.22rem; color: var(--text-2); margin-bottom: 28px; max-width: 600px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--text-3); font-size: .9rem; margin-bottom: 36px; }
.meta-row span { display: inline-flex; align-items: center; gap: 8px; }
.meta-row svg { width: 15px; height: 15px; stroke-width: 1.5; }

.portrait {
  position: relative; aspect-ratio: 4/5; border-radius: 16px; overflow: hidden; border: 1px solid var(--line);
  background: var(--surface); max-width: 400px; justify-self: center; width: 100%;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.15); }
.portrait .badge {
  position: absolute; left: 14px; bottom: 14px; right: 14px; padding: 14px 16px; border-radius: 10px;
  background: rgba(0,0,0,.72); backdrop-filter: blur(8px); border: 1px solid var(--line);
  font-size: .82rem; color: var(--text-2); z-index: 1;
}
.portrait .badge b { color: var(--text); display: block; font-weight: 400; font-size: .95rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 80px; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { padding: 28px 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
@media (max-width: 900px) { .stat:nth-child(2) { border-right: 0; } .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
.stat .num { font-size: 2.6rem; font-weight: 200; color: var(--text); line-height: 1; margin-bottom: 10px; }
.stat .lbl { font-size: .86rem; color: var(--text-3); line-height: 1.5; }

.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; margin-top: 88px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }
.about-text p { color: var(--text-2); font-size: 1.06rem; }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { position: relative; margin-bottom: 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 8px; width: 9px; height: 9px; border-radius: 50%;
  background: #000; border: 1px solid var(--text-2);
}
.tl-item:first-child::before { border-color: var(--accent); background: var(--accent); }
.tl-when { font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); letter-spacing: .04em; }
.tl-item h4 { font-size: 1.05rem; margin: 4px 0 6px; }
.tl-item p, .tl-item ul { color: var(--text-2); font-size: .94rem; margin-bottom: 0; }

.explore { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: 88px; }
@media (max-width: 900px) { .explore { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .explore { grid-template-columns: 1fr; } }
.explore a {
  padding: 28px 24px 30px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); text-decoration: none;
  display: flex; flex-direction: column; gap: 6px; transition: background .2s;
}
.explore a:last-child { border-right: 0; }
.explore a:hover { background: var(--surface); }
.explore .k { font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); letter-spacing: .12em; }
.explore .t { font-size: 1.5rem; font-weight: 200; }
.explore .d { font-size: .86rem; color: var(--text-2); }
.explore .arrow { color: var(--accent); margin-top: 8px; font-size: .9rem; }

/* ============ Photo slots ============ */
.photo-slot {
  position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--surface);
  border: 1px solid var(--line); aspect-ratio: 4/3;
}
.photo-slot img { width: 100%; height: 100%; object-fit: cover; }
.photo-slot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 16px; font-size: .8rem; color: #ddd;
  background: linear-gradient(transparent, rgba(0,0,0,.8));
}
.photo-slot.empty { border: 1px dashed #2c2c2c; background: var(--surface); }
.photo-slot.empty img { display: none; }
.photo-slot.empty::after {
  content: attr(data-hint); position: absolute; inset: 0; display: grid; place-items: center; text-align: center; white-space: pre-line;
  padding: 20px; color: var(--text-3); font-family: var(--font-mono); font-size: .76rem; line-height: 1.7; font-weight: 300;
}
.photo-slot.empty figcaption { display: none; }
.photo-slot.tall { aspect-ratio: 3/4; }
.photo-slot.wide { aspect-ratio: 16/9; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 800px) { .gallery { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .gallery { grid-template-columns: 1fr; } }

/* ============ Pitch ============ */
.pitch-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-bottom: 56px; }
@media (max-width: 900px) { .pitch-hero { grid-template-columns: 1fr; } }
.pitch-hero p { color: var(--text-2); }
.pitch-steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 0 56px; }
@media (max-width: 900px) { .pitch-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pitch-steps { grid-template-columns: 1fr; } }
.pitch-step { padding: 28px 24px; border-right: 1px solid var(--line); }
.pitch-step:last-child { border-right: 0; }
.pitch-step .n { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); margin-bottom: 12px; letter-spacing: .1em; text-transform: uppercase; }
.pitch-step h4 { margin-bottom: 8px; }
.pitch-step p { color: var(--text-2); font-size: .9rem; margin: 0; }
.quote { border-left: 1px solid var(--accent); padding: 4px 0 4px 22px; font-size: 1.5rem; font-weight: 200; line-height: 1.35; color: var(--text); margin: 0 0 28px; }

/* ============ Projects overview ============ */
.proj-cards { display: grid; gap: 0; border-top: 1px solid var(--line); }
.proj-card {
  display: grid; grid-template-columns: 48px 280px 1fr 32px; gap: 32px; align-items: center; padding: 32px 8px;
  border-bottom: 1px solid var(--line); text-decoration: none; color: var(--text); transition: background .25s;
}
.proj-card:hover { background: var(--surface); }
.proj-card .n { font-family: var(--font-mono); font-size: .8rem; color: var(--text-3); align-self: start; padding-top: 6px; }
.proj-card .thumb { position: relative; margin: 0; aspect-ratio: 16/10; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #000; }
.proj-card .thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25) brightness(.9); transition: transform .5s ease, filter .3s; }
.proj-card:hover .thumb img { transform: scale(1.04); filter: none; }
.proj-card h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 10px; }
.proj-card .what { color: var(--text-2); font-size: .96rem; margin: 0 0 14px; }
.proj-card .tags { display: flex; flex-wrap: wrap; gap: 8px; }
.proj-card .go { color: var(--text-3); font-size: 1.4rem; transition: color .2s, transform .2s; }
.proj-card:hover .go { color: var(--accent); transform: translateX(4px); }
@media (max-width: 900px) {
  .proj-card { grid-template-columns: 200px 1fr; gap: 20px; padding: 28px 4px; }
  .proj-card .n, .proj-card .go { display: none; }
}
@media (max-width: 600px) {
  .proj-card { grid-template-columns: 1fr; gap: 16px; }
}

.proj-index { display: none; }

/* ============ Project detail ============ */
.project { padding: 0; }
.proj-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.proj-head .idx { font-family: var(--font-mono); color: var(--accent); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.proj-head h3 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 16px; }
.proj-head .sub { color: var(--text-2); max-width: 700px; margin: 0; font-size: 1.1rem; }
.proj-body { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; margin-top: 48px; }
@media (max-width: 900px) { .proj-body { grid-template-columns: 1fr; gap: 24px; } }
.proj-body h4 { font-size: 1.15rem; margin-top: 12px; margin-bottom: 12px; }
.proj-body p, .proj-body li { color: var(--text-2); }

.glance { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 8px 0; }
@media (max-width: 800px) { .glance { grid-template-columns: 1fr 1fr; } }
.glance div { padding: 20px 20px; border-right: 1px solid var(--line); }
.glance div:last-child { border-right: 0; }
@media (max-width: 800px) { .glance div:nth-child(2) { border-right: 0; } .glance div:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
.glance b { display: block; font-size: 1.25rem; font-weight: 300; color: var(--text); }
.glance span { font-size: .8rem; color: var(--text-3); }

.figure { margin: 40px 0; }
.figure .frame { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; overflow: hidden; }
.figure figcaption, .figcap { font-size: .84rem; color: var(--text-3); margin-top: 12px; }
.diagram { width: 100%; height: auto; }
.diagram text { font-family: var(--font-sans); fill: var(--text); font-weight: 400; }
.diagram .t2 { fill: var(--text-2); font-weight: 300; }
.diagram .t3 { fill: var(--text-3); font-weight: 300; }
.diagram .mono { font-family: var(--font-mono); }
.diagram .box, .diagram .box-b, .diagram .box-t { fill: var(--surface-2); stroke: #2a2a2a; }
.diagram .box-a { fill: rgba(201, 178, 142, .07); stroke: var(--accent); }
.diagram .wire { stroke: #4a4a4a; fill: none; stroke-width: 1.2; }
.diagram-scroll { overflow-x: auto; }
.diagram-scroll .diagram { min-width: 720px; }

pre.code {
  background: #070707; color: #cfcfcf; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 20px;
  font-size: .8rem; font-weight: 300; line-height: 1.7; overflow-x: auto; margin: 0 0 20px;
}
pre.code .c { color: #5e5e5e; }
pre.code .k { color: var(--accent); }
pre.code .s { color: #b5b5b5; }
pre.code .n { color: #e8e8e8; }
.code-label { font-family: var(--font-mono); font-size: .7rem; color: var(--text-3); margin-bottom: 8px; letter-spacing: .1em; }

.formula {
  font-family: var(--font-mono); font-weight: 300; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px;
  color: var(--text); font-size: .92rem; margin: 0 0 20px; overflow-x: auto; white-space: nowrap;
}
.formula .hl { color: var(--accent); }

.callout { border-left: 1px solid var(--accent); padding: 4px 0 4px 20px; color: var(--text-2); font-size: .95rem; margin: 0 0 20px; }
.callout.warn { border-left-color: var(--text-3); }

.links-row { display: flex; flex-wrap: wrap; gap: 10px; }

table.data { width: 100%; border-collapse: collapse; font-size: .92rem; margin-bottom: 20px; }
table.data th, table.data td { text-align: left; padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); font-weight: 300; }
table.data td { color: var(--text-2); }
table.data td:first-child { color: var(--text); }
.table-wrap { overflow-x: auto; }

.pager { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); margin-top: 88px; }
.pager a { padding: 32px 0; text-decoration: none; display: flex; flex-direction: column; gap: 4px; }
.pager a + a { text-align: right; border-left: 1px solid var(--line); }
.pager a:first-child { padding-right: 24px; }
.pager a + a { padding-left: 24px; }
.pager span { font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); letter-spacing: .12em; text-transform: uppercase; }
.pager b { font-size: 1.4rem; font-weight: 200; }
.pager a:hover b { color: var(--accent); }

/* ============ Interactive widgets ============ */
.widget { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.widget-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.widget-head h4 { margin: 0; font-size: 1rem; }
.live { font-family: var(--font-mono); font-size: .7rem; color: var(--text-3); display: inline-flex; align-items: center; gap: 8px; letter-spacing: .06em; }
.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; margin-top: 18px; }
@media (max-width: 600px) { .controls { grid-template-columns: 1fr; } }
.ctrl label { display: flex; justify-content: space-between; font-size: .84rem; color: var(--text-2); margin-bottom: 6px; }
.ctrl label output { font-family: var(--font-mono); color: var(--text); font-weight: 300; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  font: inherit; font-size: .82rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent;
  color: var(--text-2); cursor: pointer; transition: all .15s;
}
.seg button:hover { color: var(--text); border-color: var(--text-3); }
.seg button.on { background: var(--text); color: #000; border-color: var(--text); font-weight: 400; }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: .84rem; color: var(--text-2); cursor: pointer; }
.toggle input { accent-color: var(--accent); }

canvas.stage { width: 100%; height: auto; border-radius: 8px; background: #000; border: 1px solid var(--line-soft); }

.lights { display: flex; gap: 12px; align-items: center; }
.lamp { width: 28px; height: 28px; border-radius: 50%; background: #111; border: 1px solid #2a2a2a; transition: all .25s; }
.lamp.red.on { background: var(--danger); box-shadow: 0 0 18px rgba(201,138,138,.5); border-color: transparent; }
.lamp.yellow.on { background: var(--warn); box-shadow: 0 0 18px rgba(205,183,121,.5); border-color: transparent; }
.lamp.green.on { background: var(--ok); box-shadow: 0 0 18px rgba(143,184,155,.5); border-color: transparent; }
.readout { font-family: var(--font-mono); font-size: .82rem; color: var(--text-2); line-height: 1.9; font-weight: 300; }
.readout b { color: var(--text); font-weight: 400; }
.status-pill { font-family: var(--font-mono); font-size: .74rem; padding: 5px 12px; border-radius: 999px; letter-spacing: .08em; border: 1px solid; }
.status-pill.red { color: var(--danger); }
.status-pill.yellow { color: var(--warn); }
.status-pill.green { color: var(--ok); }

.cv-lab { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
@media (max-width: 800px) { .cv-lab { grid-template-columns: 1fr; } }
.cv-lab canvas { width: 100%; }
.cv-side { display: flex; flex-direction: column; gap: 16px; }
.cv-note { font-size: .85rem; color: var(--text-2); min-height: 4.5em; }

.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin: 24px 0; }
@media (max-width: 1000px) { .module-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .module-grid { grid-template-columns: 1fr; } }
.module { padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.module h5 { font-size: 1rem; margin: 0 0 8px; }
.module p { font-size: .84rem; color: var(--text-2); margin: 0; line-height: 1.55; }
.module .ic { font-family: var(--font-mono); color: var(--text-3); font-size: .7rem; margin-bottom: 8px; }

.bars { display: grid; gap: 14px; }
.bar-row { display: grid; grid-template-columns: 130px 1fr 60px; gap: 14px; align-items: center; font-size: .86rem; color: var(--text-2); }
.bar-track { height: 10px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; width: 0; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.bar-row b { font-family: var(--font-mono); font-weight: 300; color: var(--text); text-align: right; }

.mc-out { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 10px; margin-top: 16px; }
.mc-out div { padding: 14px; border-right: 1px solid var(--line); }
.mc-out div:last-child { border-right: 0; }
.mc-out span { display: block; font-size: .7rem; color: var(--text-3); font-family: var(--font-mono); }
.mc-out b { font-size: 1.15rem; font-weight: 300; }

.github-cta {
  margin-top: 88px; padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.github-cta h3 { font-size: 2rem; margin-bottom: 8px; }
.github-cta p { color: var(--text-2); margin: 0; }

/* ============ Skills ============ */
.skill-groups { display: grid; gap: 56px; }
.skill-group h3 { font-size: 1.5rem; display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.skill-group h3 .count { font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); }
.skills { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.skill {
  display: flex; align-items: center; gap: 14px; padding: 18px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.skill:hover { background: var(--surface); }
.skill:hover .logo .mask { background: var(--accent); }
.skill .logo { width: 28px; height: 28px; flex: none; display: grid; place-items: center; }
.skill .logo .mask { width: 24px; height: 24px; -webkit-mask: var(--src) center/contain no-repeat; mask: var(--src) center/contain no-repeat; background: #d4d4d4; transition: background .2s; }
.skill .logo svg { width: 24px; height: 24px; }
.skill .logo .code { font-family: var(--font-mono); font-size: .72rem; color: #d4d4d4; border: 1px solid #3a3a3a; border-radius: 6px; padding: 2px 5px; }
.skill .name { font-size: .9rem; font-weight: 300; line-height: 1.3; }
.skill .lvl { font-size: .74rem; color: var(--text-3); display: block; }

/* ============ Resume ============ */
.resume-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 28px; }
@media (max-width: 900px) { .resume-wrap { grid-template-columns: 1fr; } }
.pdf-frame { width: 100%; height: 900px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
@media (max-width: 600px) { .pdf-frame { height: 540px; } }
.resume-side .card + .card { margin-top: 16px; }
.resume-side h4 { font-size: 1rem; }
.resume-side ul { color: var(--text-2); font-size: .92rem; margin: 0; }

/* ============ Footer / contact ============ */
footer { border-top: 1px solid var(--line); padding: 64px 0 32px; }
.foot-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 48px; }
.foot-top h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin: 0 0 8px; }
.foot-top p { color: var(--text-2); margin: 0; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--text-3); font-size: .82rem; }

/* ============ Reveal ============ */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Let grid columns shrink below their content (wide code blocks / formulas scroll instead of widening the page) */
.grid-2 > *, .grid-3 > *, .hero-grid > *, .about-grid > *, .pitch-hero > *, .proj-body > *,
.cv-lab > *, .resume-wrap > *, .glance > *, .controls > * { min-width: 0; }

/* ============ Experience feature (home) ============ */
.exp-feature { display: block; text-decoration: none; color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .2s; }
.exp-feature:hover { border-color: var(--text-3); }
.exp-feature .photo-slot { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); }
.exp-feature .exp-meta { padding: 22px 24px 24px; }
.exp-feature h3 { font-size: 1.35rem; margin: 6px 0 10px; }
.exp-feature p { color: var(--text-2); font-size: .95rem; margin-bottom: 14px; }
.exp-feature .arrow { color: var(--accent); font-size: .9rem; }

/* ============ Real photos / video ============ */
.media { margin: 0; }
.media img, .media video { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.media figcaption { font-size: .84rem; color: var(--text-3); margin-top: 10px; }
.media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0 0; align-items: start; }
.media-row { display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center; margin: 40px 0 0; }
@media (max-width: 800px) { .media-grid, .media-row { grid-template-columns: 1fr !important; } }
.media-grid > *, .media-row > * { min-width: 0; }
.portrait img { object-position: center 30%; }
.glance b { overflow-wrap: anywhere; }

.video-embed { position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ============ Computer-vision exercises ============ */
.ex-index { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin: 32px 0 0; }
@media (max-width: 900px) { .ex-index { grid-template-columns: 1fr 1fr; } }
.ex-index a { padding: 16px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; font-size: .92rem; transition: background .2s; }
.ex-index a:hover { background: var(--surface); }
.ex-index a span { display: block; font-family: var(--font-mono); font-size: .68rem; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 2px; }
section.ex { padding: 80px 0 0; border-top: 0; }
.ex-head { max-width: 780px; margin-bottom: 32px; }
.ex-num { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); letter-spacing: .14em; text-transform: uppercase; }
.ex-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin: 10px 0 14px; }
.ex-head p { color: var(--text-2); }
.ex .media img { background: #000; }
.stages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .stages { grid-template-columns: 1fr 1fr; } }
.stages .media img { aspect-ratio: 3/4; object-fit: cover; }
.gallery-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.gallery-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
@media (max-width: 800px) { .gallery-2, .gallery-3 { grid-template-columns: 1fr; } }
.gallery-2 > *, .gallery-3 > * { min-width: 0; }
.gallery-2 h4 { margin: 0 0 6px; font-size: 1.05rem; }
.wide-fig, .mid-fig { margin-top: 24px; }
.mid-fig { max-width: 640px; }

/* Before / after slider */
.compare { position: relative; margin-top: 16px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #000; user-select: none; touch-action: pan-y; }
.compare img { display: block; width: 100%; height: auto; }
.compare-after { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos)); }
.compare-after img { width: 100%; height: 100%; object-fit: cover; }
.compare::after { content: ""; position: absolute; top: 0; bottom: 0; left: var(--pos); width: 1px; background: var(--accent); pointer-events: none; }
.compare::before {
  content: "↔"; position: absolute; top: 50%; left: var(--pos); transform: translate(-50%, -50%); z-index: 2; pointer-events: none;
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-size: .85rem;
  background: rgba(0,0,0,.75); color: var(--accent); border: 1px solid var(--accent);
}
.compare-label { position: absolute; top: 10px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: #ddd; background: rgba(0,0,0,.6); padding: 3px 8px; border-radius: 4px; pointer-events: none; z-index: 2; }
.compare-label.l { left: 10px; } .compare-label.r { right: 10px; }
.compare input[type="range"] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 3; }
#door .compare { max-width: 520px; margin: 28px auto 0; }

/* ============ Language switch ============ */
html.i18n-pending body { visibility: hidden; }
.lang-switch { display: flex; align-items: center; gap: 2px; font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); }
.lang-switch button { font: inherit; letter-spacing: .08em; background: none; border: 0; color: var(--text-3); padding: 6px 6px; cursor: pointer; transition: color .2s; }
.lang-switch button:hover { color: var(--text); }
.lang-switch button.on { color: var(--accent); }
@media (max-width: 900px) {
  .nav .container { position: relative; }
  .lang-switch { position: absolute; right: 12px; top: 16px; }
}