/* arshaykathpalia — drawing-sheet design system
   paper, ink, one annotation red. hairlines everywhere. */

:root {
  --paper: #faf9f6;
  --paper-2: #f3f1ec;
  --ink: #16150f;
  --ink-2: #55534a;
  --line: #16150f;
  --hair: 1px;
  --red: #c53528;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --max: 1200px;
}

* { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* faint drafting grid */
  background-image:
    linear-gradient(to right, rgba(22,21,15,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22,21,15,.045) 1px, transparent 1px);
  background-size: 48px 48px;
}

a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(22,21,15,.35); }
a:hover { color: var(--red); border-bottom-color: var(--red); }

code { font-family: var(--mono); font-size: .85em; background: var(--paper-2); padding: 0 .3em; }

/* ---------------------------------------------------------- header */

.titlebar {
  display: flex; align-items: stretch; gap: 0;
  border-bottom: var(--hair) solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
}
.wordmark {
  font-family: var(--mono); font-weight: 500; letter-spacing: .12em;
  padding: 14px 20px; border-bottom: none;
  border-right: var(--hair) solid var(--line);
  white-space: nowrap;
}
.wordmark:hover { color: var(--ink); background: var(--paper-2); }
.nav { display: flex; flex: 1; }
.nav a {
  font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  padding: 16px 18px; border-bottom: none; border-right: var(--hair) solid var(--line);
  color: var(--ink-2);
}
.nav a:hover { color: var(--red); background: var(--paper-2); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::before { content: "■ "; color: var(--red); font-size: 9px; vertical-align: 2px; }
.cv-chip {
  font-family: var(--mono); font-size: 13px; letter-spacing: .08em;
  padding: 16px 20px; border-bottom: none; border-left: var(--hair) solid var(--line);
  margin-left: auto; color: var(--red); white-space: nowrap;
}
.cv-chip:hover { background: var(--red); color: var(--paper); }

/* ----------------------------------------------------------- sheet */

.sheet {
  max-width: var(--max);
  margin: 0 auto;
  border-left: var(--hair) solid var(--line);
  border-right: var(--hair) solid var(--line);
  background: var(--paper);
  min-height: calc(100vh - 130px);
}

.band { padding: 56px 48px; border-bottom: var(--hair) solid var(--line); }
.band:last-child { border-bottom: none; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

h1 { font-size: clamp(30px, 4.5vw, 46px); line-height: 1.08; font-weight: 600; letter-spacing: -.015em; }
h2 { font-size: 21px; font-weight: 600; margin-bottom: 18px; }
h3 { font-size: 18px; font-weight: 600; }

.fig, .k {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  color: var(--red); text-transform: uppercase;
}
h1 .fig, h2 .fig { display: block; margin-bottom: 8px; }

.over {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em;
  color: var(--ink-2); margin-bottom: 14px;
}
.lede { font-size: 19px; max-width: 62ch; margin: 18px 0 34px; }
.aside { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); margin-top: 28px; }

.btn {
  display: inline-block; font-family: var(--mono); font-size: 13px; letter-spacing: .06em;
  border: var(--hair) solid var(--line); padding: 10px 18px; margin-right: 10px;
  background: var(--ink); color: var(--paper);
}
.btn:hover { background: var(--red); border-color: var(--red); color: var(--paper); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { color: var(--red); border-color: var(--red); background: transparent; }

/* ------------------------------------------------------------ hero */

.hero {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 0; border-bottom: var(--hair) solid var(--line);
}
.hero-text { padding: 64px 48px; border-right: var(--hair) solid var(--line); }
.hero h1 { margin: 10px 0 22px; }
.hero-bio p { max-width: 52ch; color: var(--ink-2); }
.hero-links { margin-top: 30px; }

.syntax-map { display: flex; flex-direction: column; padding: 24px; }
#syntaxmap { flex: 1; min-height: 420px; }
#syntaxmap svg { width: 100%; height: 100%; display: block; }
.syntax-map figcaption {
  font-family: var(--mono); font-size: 11.5px; line-height: 1.6;
  color: var(--ink-2); border-top: var(--hair) solid var(--line); padding-top: 12px;
}
.syntax-map .readout { display: block; color: var(--red); min-height: 1.6em; }

/* node/edge styles used by syntax-map.js */
.sm-edge { stroke: var(--ink); stroke-width: 1; opacity: .45; }
.sm-edge.hot { stroke: var(--red); opacity: 1; }
.sm-node { cursor: pointer; }
.sm-node rect, .sm-node circle { fill: var(--paper); stroke: var(--ink); stroke-width: 1.2; }
.sm-node.hot rect, .sm-node.hot circle { stroke: var(--red); fill: #fdeeec; }
.sm-node text {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; fill: var(--ink-2);
}
.sm-node.hot text { fill: var(--red); }
.sm-depth { font-family: var(--mono); font-size: 9px; fill: var(--ink-2); opacity: .55; }

/* ------------------------------------------------------- work lists */

.work-list { border-top: var(--hair) solid var(--line); }
.work-row, .link-row {
  display: grid; grid-template-columns: 64px 1fr auto auto; gap: 18px; align-items: baseline;
  padding: 16px 4px; border-bottom: var(--hair) solid var(--line);
}
.link-row { grid-template-columns: minmax(150px, max-content) 1fr auto; }
.work-row:hover .work-title, .link-row:hover .work-title { color: var(--red); }
.work-title { font-size: 19px; font-weight: 500; }
.work-kind, .work-year { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.link-row.pending { opacity: .6; cursor: default; }

/* ----------------------------------------------------------- cards */

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.card { border: var(--hair) solid var(--line); background: var(--paper); display: flex; flex-direction: column; }
.card:hover { outline: var(--hair) solid var(--red); outline-offset: -1px; }
.card-img { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: var(--hair) solid var(--line); background: var(--paper-2); }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.96); }
.card:hover .card-img img { filter: none; }
.card-img .ph {
  display: grid; place-items: center; height: 100%;
  font-family: var(--mono); font-size: 12px; color: var(--ink-2); letter-spacing: .1em;
}
.card-meta { padding: 18px 20px 22px; }
.card-meta h3 { margin: 6px 0 6px; }
.card-meta .sub { color: var(--ink-2); font-size: 15px; }
.card-meta .tag { font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); margin-top: 10px; }

/* --------------------------------------------------------- project */

.project { }
.project-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 32px;
  padding: 56px 48px 28px; border-bottom: var(--hair) solid var(--line);
}
.project-head .sub { color: var(--ink-2); margin-top: 10px; font-size: 18px; }
.scalebar { display: flex; gap: 0; font-family: var(--mono); font-size: 10px; color: var(--ink-2); }
.scalebar span { border-top: 3px solid var(--ink); padding: 4px 14px 0 2px; }
.scalebar span:nth-child(even) { border-top-color: transparent; border-bottom: none; }

.project-body { padding: 40px 48px; max-width: 72ch; }
.project-body p { margin-bottom: 1.1em; }
.project-body p:first-child::first-letter { color: var(--red); }

.plates { padding: 0 48px 48px; display: grid; gap: 40px; }
.plate { border: var(--hair) solid var(--line); background: #fff; }
.plate img, .plate object { width: 100%; display: block; }
.plate figcaption {
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-2);
  padding: 10px 14px; border-top: var(--hair) solid var(--line);
  text-transform: lowercase; letter-spacing: .05em;
}

.pager {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 24px 48px 56px; font-family: var(--mono); font-size: 13px;
}

/* --------------------------------------------------------- writing */

.placeholder {
  border: 1px dashed var(--ink-2); padding: 22px 24px; margin-bottom: 40px;
  background: var(--paper-2);
}
.placeholder .k { display: block; margin-bottom: 8px; }
.placeholder p { color: var(--ink-2); font-size: 15px; max-width: 62ch; }

.fragments { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 40px; }
.fragment { border: var(--hair) solid var(--line); padding: 18px 20px; background: #fff; }
.fragment .k { display: block; margin-bottom: 8px; }

.books { list-style: none; margin-bottom: 40px; }
.books li { padding: 12px 4px; border-bottom: var(--hair) solid var(--line); }
.books .note { display: block; color: var(--ink-2); font-size: 14.5px; }

.essay .project-body { font-size: 18px; }

/* ----------------------------------------------------------- books */

.bookshelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 28px;
  margin-bottom: 40px;
}
.book-plate {
  border: var(--hair) solid var(--line);
  background: #fff;
  display: flex; flex-direction: column;
}
.book-plate:hover { outline: var(--hair) solid var(--red); outline-offset: -1px; }
.book-cover {
  aspect-ratio: 2 / 3;
  background: var(--paper-2);
  border-bottom: var(--hair) solid var(--line);
}
.book-cover img { width: 100%; height: 100%; object-fit: contain; display: block; }
.book-plate figcaption {
  padding: 10px 12px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.book-plate .bp-title { font-weight: 500; font-size: 14.5px; line-height: 1.3; margin-top: 3px; }
.book-plate .bp-author { font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); }
.book-plate .bp-note { font-size: 13px; color: var(--ink-2); margin-top: 6px; line-height: 1.45; }
.books.unplated { margin-bottom: 40px; }
.books.unplated .k { display: inline-block; margin-right: 10px; }

@media (max-width: 560px) {
  .bookshelf { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .book-plate figcaption { padding: 8px 10px 12px; }
}

/* ----------------------------------------------------------- about */

.about-top { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
.longbio p { margin-bottom: 1.1em; max-width: 66ch; }
.longbio p:first-of-type::first-letter { color: var(--red); }
.cv-panel { display: flex; flex-direction: column; gap: 20px; }
.cv-box { border: var(--hair) solid var(--line); padding: 22px 24px; background: #fff; }
.cv-box .btn { margin-top: 14px; }
.facts { list-style: none; }
.facts li { padding: 7px 0; border-bottom: 1px dotted rgba(22,21,15,.3); font-size: 15px; }
.facts li:last-child { border-bottom: none; }
.chips { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono); font-size: 12px; border: var(--hair) solid var(--line);
  padding: 4px 10px;
}
.chip.pending { color: var(--ink-2); border-style: dashed; }

/* ----------------------------------------------------------- stamp */

.stamp {
  max-width: var(--max); margin: 0 auto;
  border: var(--hair) solid var(--line); border-top-width: 2px;
  display: flex; flex-wrap: wrap;
  background: var(--paper);
  margin-bottom: 40px;
}
.stamp-cell {
  padding: 10px 16px 12px; border-right: var(--hair) solid var(--line);
  display: flex; flex-direction: column; gap: 2px;
  font-family: var(--mono); font-size: 12px;
}
.stamp-cell .k { color: var(--ink-2); font-size: 9.5px; }
.stamp-cell.grow { flex: 1; min-width: 220px; }
.thread { color: var(--red); font-style: italic; }

/* ------------------------------------------------------ responsive */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-text { border-right: none; border-bottom: var(--hair) solid var(--line); }
  #syntaxmap { min-height: 340px; }
  .cols, .about-top { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .fragments { grid-template-columns: 1fr; }
  .band, .project-head, .project-body, .pager { padding-left: 22px; padding-right: 22px; }
  .plates { padding: 0 22px 40px; }
  .project-head { flex-direction: column; align-items: flex-start; }
  .wordmark { padding: 14px 14px; letter-spacing: .06em; }
  .nav a { padding: 16px 10px; font-size: 11.5px; }
  .cv-chip { padding: 16px 12px; }
  .work-row, .link-row { grid-template-columns: 40px 1fr auto; }
  .work-kind { display: none; }
}
@media (max-width: 560px) {
  body { overflow-x: hidden; }
  .titlebar { flex-wrap: wrap; }
  .wordmark { flex: 1; border-right: none; }
  .cv-chip { border-left: var(--hair) solid var(--line); }
  .nav {
    order: 3; flex-basis: 100%; overflow-x: auto;
    border-top: var(--hair) solid var(--line);
  }
  .nav a { flex: 1; text-align: center; white-space: nowrap; }
  .link-row { grid-template-columns: 1fr auto; }
  .link-row .work-kind { display: none; }
  .stamp { flex-direction: column; }
  .stamp-cell { border-right: none; border-bottom: var(--hair) solid var(--line); }
}