/* ---------- tokens ---------- */
:root {
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --ink: #17161a;
  --ink-2: #4a4741;
  --rule: #17161a;
  --accent: #2f5d3a;      /* forest green */
  --accent-2: #8fa36b;    /* sage */
  --accent-3: #1f3d2b;    /* deep green */
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 48px);
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --grotesk: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* film grain */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 1000; pointer-events: none;
  opacity: .35; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--grotesk); font-weight: 800; letter-spacing: -.02em; line-height: 1.05; margin: 0; text-transform: uppercase; }
h1 { font-family: var(--serif); font-weight: 400; text-transform: none; letter-spacing: -.015em; font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.05rem; letter-spacing: .02em; }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.rule { border: 0; border-top: 3px solid var(--rule); margin: 0; }
.rule--thin { border-top-width: 1px; }
.accent { color: var(--accent); }

/* ---------- header / nav ---------- */
.site-header { border-bottom: 3px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 64px; }
.brand { font-family: var(--grotesk); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: 1rem; display: flex; align-items: center; gap: 12px; }
.brand .dot { width: 12px; height: 12px; background: var(--accent); border-radius: 50%; display: inline-block; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; padding: 6px 10px; border: 1px solid transparent; }
.nav a:hover { border-color: var(--ink); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.nav-toggle { display: none; font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; background: none; border: 1px solid var(--ink); padding: 6px 10px; cursor: pointer; color: var(--ink); }
@media (max-width: 820px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 3px solid var(--rule); padding: 8px var(--gutter) 16px; flex-direction: column; align-items: stretch; }
  .nav.open { display: flex; }
  .nav a { border-bottom: 1px solid var(--paper-2); padding: 10px 4px; }
}

/* ---------- page head ---------- */
.page-head { padding: clamp(32px, 6vw, 72px) 0 24px; }
.page-head .num { font-family: var(--mono); font-size: .8rem; letter-spacing: .1em; color: var(--accent); }
.page-head .intro { grid-column: 1 / -1; max-width: 62ch; font-size: 1.1rem; color: var(--ink-2); margin-top: 8px; }
.page-head .meta { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); text-align: right; }

/* ---------- home ---------- */
.wrap--hero { padding-top: clamp(16px, 3vw, 40px); padding-bottom: clamp(16px, 3vw, 40px); }
.hero-img { position: relative; border: 1px solid var(--ink); background: var(--paper-2); overflow: hidden; height: calc(100vh - 64px - 2 * clamp(16px, 3vw, 40px)); min-height: 420px; }
.hero-img::after { content: ""; position: absolute; inset: auto 0 0 0; height: 50%; background: linear-gradient(to top, rgba(23, 22, 26, .55), rgba(23, 22, 26, 0)); pointer-events: none; }
.hero-img h1 { z-index: 1; }
.hero-next { position: absolute; z-index: 1; right: clamp(16px, 3vw, 40px); bottom: clamp(16px, 2.5vw, 36px); display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--paper); border: 1px solid var(--paper); padding: 10px 14px; background: rgba(23, 22, 26, .25); backdrop-filter: blur(2px); transition: background .15s, color .15s; }
.hero-next .arr { font-size: 1.1rem; line-height: 1; transition: transform .15s; }
.hero-next:hover { background: var(--paper); color: var(--ink); }
.hero-next:hover .arr { transform: translateX(4px); }
@media (max-width: 600px) { .hero-next { right: auto; left: clamp(16px, 3vw, 40px); bottom: auto; top: 16px; } }
.hero-img img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.95) contrast(1.04); }
.hero-img h1 { position: absolute; left: clamp(16px, 3vw, 40px); bottom: clamp(12px, 2.5vw, 32px); margin: 0; font-size: clamp(3rem, 8vw, 7rem); color: var(--paper); text-shadow: 0 2px 24px rgba(23, 22, 26, .45); line-height: .95; }

/* ---------- masonry gallery ---------- */
.masonry { column-count: 3; column-gap: 20px; padding: 24px 0 64px; }
@media (max-width: 900px) { .masonry { column-count: 2; } }
@media (max-width: 560px) { .masonry { column-count: 1; } }
/* grid variant: landscape images span two columns */
.masonry--grid { column-count: auto; display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 8px; grid-auto-flow: dense; gap: 20px; }
.masonry--grid .piece { margin: 0; grid-row-end: span 30; }
.masonry--grid .piece--wide { grid-column: span 2; }
.masonry--grid .piece { display: flex; }
.masonry--grid .piece img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) { .masonry--grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .masonry--grid { grid-template-columns: 1fr; } .masonry--grid .piece--wide { grid-column: span 1; } }
.piece { break-inside: avoid; margin: 0 0 20px; cursor: zoom-in; border: 1px solid var(--ink); background: var(--paper-2); }
.piece img { width: 100%; height: auto; filter: contrast(1.03); }
.piece figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 8px 10px; font-family: var(--mono); font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; border-top: 1px solid var(--ink); }
.piece figcaption .year { color: var(--accent); }
.piece:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); transition: transform .12s, box-shadow .12s; }

/* ---------- grouped galleries ---------- */
.groups { padding: 8px 0 32px; }
.group { padding-top: 32px; }
.group:first-child { padding-top: 16px; }
.group:first-child > hr:first-child { display: none; }
.group h2 { font-family: var(--serif); font-weight: 400; text-transform: none; letter-spacing: -.01em; font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 10px; }
.group .masonry { padding: 20px 0 8px; }

/* ---------- lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(23, 22, 26, .94); display: none; align-items: center; justify-content: center; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: min(92vw, 1400px); max-height: 78vh; object-fit: contain; box-shadow: 0 0 0 1px var(--paper); }
.lightbox .lb-cap { position: absolute; left: 24px; right: 24px; bottom: 20px; display: flex; justify-content: space-between; gap: 24px; color: var(--paper); font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; }
.lightbox .lb-cap .desc { font-family: var(--serif); text-transform: none; letter-spacing: 0; font-size: .95rem; color: var(--paper-2); }
.lightbox button { position: absolute; background: none; border: 1px solid var(--paper); color: var(--paper); font-family: var(--mono); font-size: .8rem; padding: 8px 12px; cursor: pointer; text-transform: uppercase; }
.lightbox button:hover { background: var(--paper); color: var(--ink); }
.lb-close { top: 20px; right: 24px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); }
@media (max-width: 600px) { .lb-prev, .lb-next { top: auto; bottom: 64px; transform: none; } }

/* ---------- lists (writing, cs, piano, books) ---------- */
.list { padding: 8px 0 64px; }
.row { display: grid; grid-template-columns: 90px 1fr auto; gap: 16px 24px; padding: 20px 0; border-bottom: 1px solid var(--ink); align-items: baseline; }
.row:first-child { border-top: 0; }
.row .date { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; color: var(--accent); text-transform: uppercase; }
.row h3 { font-family: var(--serif); text-transform: none; letter-spacing: 0; font-weight: 500; font-size: 1.35rem; }
.row .sub { color: var(--ink-2); margin: 4px 0 0; font-size: .98rem; }
.row .tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--ink); padding: 2px 7px; }
.row a.title:hover { color: var(--accent); }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } .row .tags { justify-content: flex-start; } }

/* ---------- article (writing) ---------- */
.article { max-width: 68ch; padding: 24px 0 96px; }
.article .back { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.article h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 24px 0 8px; }
.article .date { font-family: var(--mono); font-size: .72rem; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 32px; }
.article .body { font-size: 1.15rem; line-height: 1.7; }
.article .body h2, .article .body h3 { font-family: var(--serif); text-transform: none; letter-spacing: 0; font-weight: 600; margin: 2em 0 .6em; }
.article .body blockquote { border-left: 3px solid var(--accent); margin: 1.5em 0; padding: 0 0 0 1em; color: var(--ink-2); font-style: italic; }
.article .body img { margin: 1.5em 0; border: 1px solid var(--ink); }
.article .body code { font-family: var(--mono); font-size: .9em; background: var(--paper-2); padding: 1px 4px; }
.article .body pre { background: var(--ink); color: var(--paper); padding: 16px; overflow-x: auto; font-size: .85rem; }
.article .body pre code { background: none; padding: 0; color: inherit; }
.article .body hr { border: 0; border-top: 1px solid var(--ink); margin: 2em 0; }

/* ---------- password gate (writing) ---------- */
.gate { max-width: 420px; padding: 32px 0 96px; }
.gate label { display: block; margin-bottom: 8px; color: var(--ink-2); }
.gate-row { display: flex; }
.gate input { flex: 1; min-width: 0; font-family: var(--mono); font-size: 1rem; padding: 10px 12px; border: 1px solid var(--ink); border-right: 0; background: var(--paper-2); color: var(--ink); outline: none; }
.gate input:focus { background: var(--paper); }
.gate button { font-family: var(--mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; padding: 10px 14px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; }
.gate button:hover { background: var(--accent); border-color: var(--accent); }
.gate-msg { margin: 10px 0 0; color: var(--accent); min-height: 1.2em; }
.gate-result { padding: 32px 0 96px; font-size: clamp(1.3rem, 2.4vw, 1.8rem); max-width: 40ch; }

/* ---------- cards (cs projects) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0; border-top: 3px solid var(--ink); border-left: 3px solid var(--ink); margin: 24px 0 64px; }
.card { border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.card .card-num { font-family: var(--mono); font-size: .7rem; color: var(--accent); letter-spacing: .1em; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--ink-2); font-size: .98rem; margin: 0; flex: 1; }
.card .links { display: flex; gap: 14px; font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.card .links a { border-bottom: 1px solid var(--ink); }
.card .links a:hover { border-color: var(--accent); }

/* ---------- computation projects ---------- */
.projects { padding: 8px 0 48px; }
.project { padding-top: 40px; }
.project:first-child { padding-top: 16px; }
.project-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 10px; }
.project h2 { font-family: var(--serif); font-weight: 400; text-transform: none; letter-spacing: -.01em; font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
.project-year { color: var(--accent); }
.project-body { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px 48px; padding: 24px 0 8px; align-items: start; }
.project-text { font-size: 1.05rem; line-height: 1.6; }
.project-text .tagline { font-size: 1.25rem; color: var(--ink); }
.project-text p { color: var(--ink-2); }
.project-text .tagline + p, .project-text p:not(.tagline) { margin-top: 0; }
.project-text .tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 14px; }
.project-text .links { display: flex; gap: 18px; font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.project-text .links a { border-bottom: 1px solid var(--ink); padding-bottom: 1px; }
.project-text .links a:hover { border-color: var(--accent); }
.project-media { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.project-media .frame { grid-column: 1 / -1; aspect-ratio: 16 / 9; width: 100%; border: 1px solid var(--ink); background: var(--ink); }
.doc { display: flex; flex-direction: column; gap: 8px; }
.doc-thumb { border: 1px solid var(--ink); background: var(--paper-2); aspect-ratio: 4 / 3; overflow: hidden; box-shadow: 4px 4px 0 var(--ink); transition: transform .12s, box-shadow .12s; }
.doc-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.doc:hover .doc-thumb { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--accent); }
.doc-label { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.doc-ext { color: var(--ink-2); }
@media (max-width: 820px) { .project-body { grid-template-columns: 1fr; } }

/* ---------- piano ---------- */
.recordings { padding: 24px 0 64px; display: grid; gap: 32px; }
.rec { border: 1px solid var(--ink); padding: 18px; display: grid; grid-template-columns: 1fr; gap: 12px; background: var(--paper-2); }
.rec .rec-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.rec .rec-head h3 { font-family: var(--serif); text-transform: none; letter-spacing: 0; font-weight: 500; font-size: 1.3rem; }
.rec .composer { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.rec .frame { aspect-ratio: 16 / 9; width: 100%; border: 0; background: var(--ink); }
.rec audio { width: 100%; }
.rec .note { color: var(--ink-2); font-size: .95rem; margin: 0; }

/* ---------- books ---------- */
.shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 24px 20px; padding: 24px 0 64px; }
.book { display: flex; flex-direction: column; gap: 8px; }
.book .cover { aspect-ratio: 2 / 3; background: var(--paper-2); border: 1px solid var(--ink); overflow: hidden; box-shadow: 4px 4px 0 var(--ink); }
.book .cover img { width: 100%; height: 100%; object-fit: cover; }
.book .cover .fallback { height: 100%; display: flex; align-items: flex-end; padding: 10px; font-family: var(--grotesk); font-weight: 800; text-transform: uppercase; font-size: .8rem; line-height: 1.1; }
.book .b-title { font-size: .95rem; line-height: 1.25; }
.book .b-author { font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }
.book .b-rating { color: var(--accent-2); font-size: .8rem; letter-spacing: .1em; }
.gr-widget { margin: 8px 0 32px; }
.gr-widget:empty { display: none; }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 48px; padding: 24px 0 96px; align-items: start; }
.about .portrait { border: 1px solid var(--ink); box-shadow: 6px 6px 0 var(--accent); aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-2); }
.about .portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2) contrast(1.05); }
.about .bio { font-size: 1.15rem; line-height: 1.7; }
.about .bio p:first-child::first-letter { font-family: var(--grotesk); font-weight: 800; font-size: 3.2em; float: left; line-height: .8; margin: .05em .12em 0 0; color: var(--accent); }
.about .contacts { margin-top: 32px; border-top: 3px solid var(--ink); }
.about .contacts a { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--ink); font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
@media (max-width: 760px) { .about { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.site-footer { border-top: 3px solid var(--rule); padding: 24px 0 40px; }
.site-footer .wrap { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.empty { font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); padding: 48px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); margin: 24px 0 64px; }