/* ==========================================================================
   Parvin Emami — site styles
   Colors live in the tokens below; dark mode redefines them.
   ========================================================================== */

:root {
  --paper: #f7f4ee;
  --paper-2: #efebe2;
  --ink: #22231f;
  --muted: #4f514a;
  --line: #dcd7cc;
  --accent: #7a3b5a;        /* plum — fixations, links */
  --accent-soft: #e9d5df;
  --plum: #e8d3dc;
  --sky: #d5e0ea;
  --sage: #dbe3d3;
  --sand: #ece1cc;
  --gaze: rgba(122, 59, 90, .9);
  --gaze-soft: rgba(122, 59, 90, .14);
  --shadow: 0 1px 2px rgba(34, 35, 31, .05), 0 12px 30px -16px rgba(34, 35, 31, .22);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --persian: "Vazirmatn", "Tahoma", sans-serif;

  --max: 1140px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16171a; --paper-2: #1e1f23; --ink: #ece8e1; --muted: #bdb9b1; --line: #33343a;
    --accent: #e3a0bf; --accent-soft: #3d2531;
    --plum: #2e2229; --sky: #1f2a35; --sage: #222b20; --sand: #2c2719;
    --gaze: rgba(227, 160, 191, .9); --gaze-soft: rgba(227, 160, 191, .14);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #16171a; --paper-2: #1e1f23; --ink: #ece8e1; --muted: #bdb9b1; --line: #33343a;
  --accent: #e3a0bf; --accent-soft: #3d2531;
  --plum: #2e2229; --sky: #1f2a35; --sage: #222b20; --sand: #2c2719;
  --gaze: rgba(227, 160, 191, .9); --gaze-soft: rgba(227, 160, 191, .14);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px -16px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.75 var(--sans); overflow-x: hidden;
  transition: background-color .3s, color .3s;
}
::selection { background: var(--accent-soft); }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
h1, h2, h3, h4, p, figure, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
em { font-style: italic; }
button { font: inherit; color: inherit; }

.wrap { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; padding: 8px 14px; background: var(--ink); color: var(--paper); border-radius: 6px; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent);
}
.fix { /* a fixation dot: the site's recurring marker */
  position: relative; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none;
}
.fix::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--accent); opacity: .35; }
.display { font: 400 clamp(2.3rem, 5.5vw, 4rem)/1.1 var(--serif); letter-spacing: -.02em; }
.display em, h2 em { color: var(--accent); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 640px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 72px; }
.wordmark { font: 600 28px/1 var(--serif); letter-spacing: -.06em; text-decoration: none; display: inline-flex; align-items: baseline; gap: 2px; }
.wordmark .fix { width: 8px; height: 8px; margin-left: 2px; }
.wordmark .fix::after { display: none; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a, .more-btn {
  position: relative; padding: 8px 12px; border-radius: 999px; font-size: 14px; text-decoration: none;
  background: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.nav-links > a:hover, .more-btn:hover { background: var(--paper-2); color: var(--ink); }
.nav-links a[aria-current="page"], .more-btn.active { color: var(--accent); }
.nav-links > a[aria-current="page"]::after, .more-btn.active::after {
  content: ""; position: absolute; left: 50%; bottom: 1px; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent);
}
.more { position: relative; }
.more-btn svg { transition: transform .2s; }
.more-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.more-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 220px; padding: 8px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-4px); transition: .18s;
}
.more-menu.open { opacity: 1; visibility: visible; transform: none; }
.more-menu a { display: flex; flex-direction: column; padding: 9px 12px; border-radius: 9px; text-decoration: none; font-size: 14px; }
.more-menu a small { color: var(--muted); font-size: 12px; }
.more-menu a:hover { background: var(--paper-2); color: var(--ink); }
.more-menu a[aria-current="page"] { color: var(--accent); }
.nav-tools { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: none; cursor: pointer;
  display: inline-grid; place-items: center; transition: border-color .2s, background .2s;
}
.icon-btn:hover { border-color: var(--accent); }
.theme-btn .sun { display: none; }
:root[data-theme="dark"] .theme-btn .sun { display: block; }
:root[data-theme="dark"] .theme-btn .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .sun { display: block; }
  :root:not([data-theme="light"]) .theme-btn .moon { display: none; }
}
.menu-btn { display: none; }

@media (max-width: 820px) {
  .menu-btn { display: inline-grid; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 16px 24px; background: var(--paper); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .2s; max-height: calc(100vh - 72px); overflow: auto;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links > a, .more-btn { padding: 12px 4px; border-radius: 0; font-size: 18px; font-family: var(--serif); border-bottom: 1px solid var(--line); width: 100%; justify-content: space-between; }
  .nav-links > a[aria-current="page"]::after, .more-btn.active::after { left: auto; right: 4px; top: 50%; margin-top: -2.5px; }
  .more-btn { display: none; }
  .more-menu { position: static; opacity: 1; visibility: inherit; transform: none; box-shadow: none; border: 0; padding: 0; min-width: 0; background: none; }
  .more-menu a { padding: 12px 4px; border-radius: 0; font: 18px var(--serif); border-bottom: 1px solid var(--line); }
  .more-menu a small { display: none; }
}

/* ---------- Page heads ---------- */
.page-head { padding: clamp(48px, 9vw, 110px) 0 clamp(32px, 5vw, 56px); position: relative; }
.page-head .display { margin: 18px 0 18px; max-width: 900px; }
.page-head .persian-note { font-family: var(--persian); color: var(--muted); font-size: 14px; }

section.block { padding: clamp(40px, 6vw, 72px) 0; border-top: 1px solid var(--line); }
.block-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.block-head h2 { font: 400 clamp(1.8rem, 3.4vw, 2.4rem)/1.2 var(--serif); letter-spacing: -.01em; margin-top: 10px; }
.arrow-link { font-size: 14px; text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 3px; white-space: nowrap; }
.arrow-link:hover { border-color: var(--accent); }

/* ---------- Home hero ---------- */
.hero { position: relative; min-height: calc(100svh - 72px); display: grid; align-items: center; padding: 40px 0 60px; isolation: isolate; touch-action: manipulation; }
#gaze-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero h1 { margin: 22px 0 24px; font: 400 clamp(3rem, 8vw, 7rem)/1 var(--serif); letter-spacing: -.03em; white-space: nowrap; }
.hero h1 em { color: var(--accent); }
.hero-statement { font: 500 clamp(1.05rem, 1.75vw, 1.45rem)/1.4 var(--serif); white-space: nowrap; }
@media (max-width: 560px) { .hero-statement { white-space: normal; } }
.hero .intro { margin-top: 14px; color: var(--muted); max-width: 540px; font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); font-size: 14px; text-decoration: none; background: color-mix(in srgb, var(--paper) 70%, transparent);
  transition: border-color .2s, transform .2s, background .2s; cursor: pointer;
}
.chip:hover, .chip[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent-soft); }
.chip .count { font: 11px var(--mono); color: var(--muted); }
.socials { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; }
.socials a { font-size: 14px; text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.socials a:hover { border-color: var(--accent); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none; font-size: 14px; border: 1px solid var(--ink); cursor: pointer;
  transition: transform .2s, background .2s, color .2s;
}
.btn:hover { color: var(--paper); background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

.portrait { position: relative; justify-self: center; width: min(400px, 100%); }
.portrait-frame {
  position: relative; aspect-ratio: 1; border-radius: 50%; overflow: hidden; background: var(--plum);
  box-shadow: 0 0 0 10px var(--paper), 0 0 0 11px var(--line), var(--shadow);
}
.portrait::before { /* outer "fixation" ring around the photo */
  content: ""; position: absolute; left: -22px; right: -22px; top: -22px; aspect-ratio: 1; border-radius: 50%;
  border: 1px dashed var(--accent); opacity: .45; pointer-events: none;
  animation: spin 60s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar { display: block; width: 100%; height: 100%;
  --skin: #ecc6a8; --skin-shade: #ddaf8f; --skin-line: #c08a6c;
  --hair: #2a1d1a; --hair-light: #6a4c42;
  --top: #f6f4f0; --top-line: #e2ddd5; --avatar-bg: var(--plum); }
.avatar .ponytail { transform-box: view-box; transform-origin: 150px 122px; animation: sway 3.6s ease-in-out infinite alternate; }
@keyframes sway { from { transform: rotate(-4deg); } to { transform: rotate(3deg); } }
:root[data-theme="dark"] .avatar { --avatar-bg: #6b4b5a; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .avatar { --avatar-bg: #6b4b5a; } }
.avatar .pupils { transition: transform .18s ease-out; }
.avatar .eyes { transform-box: fill-box; transform-origin: center; animation: blink 5.5s infinite; }
@keyframes blink { 0%, 94%, 100% { transform: scaleY(1); } 96% { transform: scaleY(.1); } }
.portrait-wrap { position: relative; }
.portrait-tag {
  position: absolute; left: -10px; bottom: 6%; z-index: 2; padding: 10px 14px; border-radius: 14px;
  background: var(--paper); box-shadow: var(--shadow); font-size: 12px; max-width: 250px; display: flex; gap: 10px; align-items: center;
}
.portrait-tag .pulse { width: 8px; height: 8px; border-radius: 50%; background: #5b8c5a; flex: none; box-shadow: 0 0 0 0 rgba(91, 140, 90, .6); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(91, 140, 90, 0); } 100% { box-shadow: 0 0 0 0 rgba(91, 140, 90, 0); } }
.portrait-caption { margin-top: 30px; font: 11px/1.5 var(--mono); color: var(--muted); text-align: center; }
.gaze-hint { position: absolute; bottom: 18px; left: 0; font: 11px var(--mono); color: var(--muted); display: flex; gap: 8px; align-items: center; }

/* ---------- Cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  position: relative; padding: 26px; border-radius: 20px; background: var(--paper-2); overflow: hidden;
  transition: transform .3s cubic-bezier(.2, .8, .2, 1), box-shadow .3s;
}
a.card { text-decoration: none; display: block; }
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); color: inherit; }
.card.plum { background: var(--plum); } .card.sky { background: var(--sky); } .card.sage { background: var(--sage); } .card.sand { background: var(--sand); }
.card .num { font: italic 300 2.2rem/1 var(--serif); opacity: .45; }
.card h3 { font: 400 1.45rem/1.3 var(--serif); letter-spacing: -.01em; margin: 16px 0 10px; }
.card p { font-size: 16px; color: var(--muted); }
.tag { font: 500 11.5px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }

/* ---------- Projects page ---------- */
.project {
  display: grid; grid-template-columns: 90px 1fr 1fr; gap: clamp(20px, 4vw, 48px); padding: clamp(28px, 4vw, 44px);
  border-radius: 28px; margin-bottom: 18px; position: relative; overflow: hidden;
}
.project.plum { background: var(--plum); } .project.sky { background: var(--sky); } .project.sage { background: var(--sage); } .project.sand { background: var(--sand); }
.project .num { font: italic 300 3.4rem/1 var(--serif); opacity: .4; }
.project h2 { font: 400 clamp(1.7rem, 3.2vw, 2.3rem)/1.2 var(--serif); letter-spacing: -.01em; margin: 12px 0 0; }
.project .sub { margin-top: 10px; color: var(--muted); font-size: 16px; }
.project .body p { color: var(--ink); opacity: .85; }
.methods { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.methods span { font: 11px var(--mono); padding: 4px 10px; border-radius: 999px; background: color-mix(in srgb, var(--paper) 60%, transparent); }
.status { display: inline-flex; gap: 8px; align-items: center; font: 11px var(--mono); margin-top: 18px; }
.related { margin-top: 20px; border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent); padding-top: 14px; }
.related li { font-size: 14px; margin-top: 6px; }
.project-shot { width: min(180px, 50%); border-radius: 22px; margin-bottom: 18px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.project svg.deco { position: absolute; right: -40px; bottom: -40px; width: 220px; opacity: .35; pointer-events: none; }

/* ---------- Publications ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.search {
  flex: 1 1 260px; max-width: 360px; display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--paper);
}
.search input { border: 0; outline: 0; background: none; font: inherit; font-size: 14px; color: var(--ink); width: 100%; }
.search:focus-within { border-color: var(--accent); }
.year-group { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line); }
.year-group .yr { font: 300 2.4rem/1 var(--serif); color: var(--muted); position: sticky; top: 96px; align-self: start; }
.pub { padding: 6px 0 22px; }
.pub + .pub { border-top: 1px dashed var(--line); padding-top: 22px; }
.pub h3 { font: 500 1.25rem/1.4 var(--serif); margin: 8px 0 6px; }
.pub h3 a { text-decoration: none; }
.pub h3 a:hover { text-decoration: underline; }
.pub .authors { font-size: 15.5px; color: var(--muted); }
.pub .authors strong { color: var(--ink); font-weight: 600; }
.pub-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pill {
  font: 11px var(--mono); padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: none;
  text-decoration: none; cursor: pointer; display: inline-flex; gap: 6px; align-items: center;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.venue { display: inline-block; font: 500 10.5px/1 var(--mono); letter-spacing: .08em; padding: 5px 9px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); }
.empty { padding: 40px 0; color: var(--muted); font-style: italic; }
.manuscripts li { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 16px 0; border-top: 1px dashed var(--line); }
.manuscripts h3 { font: 400 1.15rem/1.35 var(--serif); }

/* ---------- News: the scanpath timeline ---------- */
.scanpath { position: relative; padding-left: 0; }
.scanpath::before { content: ""; position: absolute; left: 120px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.scanpath li { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 0; padding: 14px 0; }
.scanpath .when { font: 12px/1.8 var(--mono); color: var(--muted); padding-right: 28px; text-align: right; }
.scanpath .what { padding-left: 40px; position: relative; }
.scanpath .node { position: absolute; left: 0; top: 13px; transform: translate(-50%, 0); border-radius: 50%; background: var(--paper); border: 2px solid var(--accent); display: grid; place-items: center; }
.scanpath .node::before { content: ""; width: 40%; height: 40%; border-radius: 50%; background: var(--accent); }
.scanpath .node.w1 { width: 14px; height: 14px; } .scanpath .node.w2 { width: 20px; height: 20px; } .scanpath .node.w3 { width: 28px; height: 28px; top: 9px; }
.scanpath .what p { font-size: 16px; }
.scanpath .what p em { font-family: var(--serif); font-style: normal; font-weight: 500; }
.scanpath .tag { display: block; margin-bottom: 2px; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s, transform .7s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* compact news list on home */
.news-mini li { display: grid; grid-template-columns: 70px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 16px; }
.news-mini li:first-child { border-top: 0; }
.news-mini .when { font: 12px/1.9 var(--mono); color: var(--accent); }

/* ---------- Teaching ---------- */
.course { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); align-items: baseline; }
.course h3 { font: 400 1.4rem/1.2 var(--serif); }
.students { width: 100%; border-collapse: collapse; font-size: 14px; }
.students th { text-align: left; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
.students td { padding: 14px 12px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-scroll { overflow-x: auto; }

/* ---------- Books: a shelf ---------- */
.shelf { display: flex; align-items: flex-end; gap: 6px; padding: 0 12px; min-height: 280px; border-bottom: 10px solid var(--ink); border-radius: 0 0 4px 4px; overflow-x: auto; overflow-y: hidden; padding-top: 30px; }
.spine {
  flex: none; width: 52px; border-radius: 4px 4px 0 0; padding: 14px 0; cursor: pointer; border: 0;
  writing-mode: vertical-rl; transform-origin: bottom center; transition: transform .3s cubic-bezier(.2, .8, .2, 1);
  font: 500 14px/1 var(--serif); letter-spacing: .02em; text-align: left; display: flex; align-items: center; justify-content: space-between;
  box-shadow: inset -4px 0 0 rgba(0, 0, 0, .08), inset 3px 0 0 rgba(255, 255, 255, .25);
  color: #2a2420;
}
.spine small { font: 10px var(--mono); opacity: .7; }
.spine:hover, .spine[aria-pressed="true"] { transform: translateY(-16px) rotate(-2deg); }
.spine:focus-visible { outline-offset: 2px; }
.book-detail { margin-top: 28px; padding: 28px; border-radius: 20px; background: var(--paper-2); min-height: 140px; display: grid; grid-template-columns: 1fr auto; gap: 20px; }
.book-detail h3 { font: 400 1.7rem/1.2 var(--serif); margin: 8px 0 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font: 12px var(--mono); color: var(--muted); margin-top: 16px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Activities ---------- */
.lang { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; padding: 14px 0; border-top: 1px solid var(--line); align-items: center; }
.lang .meter { grid-column: 1 / -1; display: flex; gap: 4px; }
.lang .meter i { flex: 1; height: 4px; border-radius: 4px; background: var(--line); }
.lang .meter i.on { background: var(--accent); }
.lang dt { font: 400 1.15rem var(--serif); }
.lang dd { font: 11px var(--mono); color: var(--muted); }
.plain-list li { padding: 12px 0; border-top: 1px solid var(--line); }

/* ---------- CV timeline ---------- */
.timeline li { position: relative; padding: 0 0 28px 28px; border-left: 1px solid var(--line); margin-left: 6px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); border: 2px solid var(--accent); }
.timeline li:first-child::before { background: var(--accent); }
.timeline .yrs { font: 12px var(--mono); color: var(--accent); }
.timeline h3 { font: 400 1.3rem/1.25 var(--serif); margin: 4px 0 2px; }
.timeline p { font-size: 16px; }

/* ---------- Webcam eye tracking ---------- */
.eyetrack-btn {
  display: flex; align-items: center; gap: 8px; margin: 12px auto 0; padding: 7px 14px; border-radius: 999px;
  border: 1px dashed var(--accent); background: none; color: var(--accent); font: 12px var(--mono); cursor: pointer;
  width: max-content; white-space: nowrap;
}
.eyetrack-btn:hover { background: var(--accent-soft); }
.eyetrack-btn[hidden] { display: none; }
.rec { width: 8px; height: 8px; border-radius: 50%; background: #d0453b; flex: none; }
.et-overlay {
  position: fixed; inset: 0; z-index: 90; display: flex; padding: 16px; overflow-y: auto; overscroll-behavior: contain;
  background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.et-card { margin: auto; width: min(520px, 100%); background: var(--paper); border: 1px solid var(--line); border-radius: 24px; padding: clamp(22px, 5vw, 36px); box-shadow: var(--shadow); }
.et-card h2 { font: 400 clamp(1.6rem, 4vw, 2.1rem)/1.2 var(--serif); margin: 12px 0; }
.et-card h2 em { color: var(--accent); }
.et-card ul { margin-top: 14px; display: grid; gap: 8px; }
.et-card li { padding-left: 18px; position: relative; font-size: 15px; color: var(--muted); }
.et-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.et-overlay.calibrating { display: block; background: color-mix(in srgb, var(--paper) 94%, transparent); }
.et-instructions { position: absolute; left: 50%; bottom: 3%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 32px); text-align: center; font-size: 14px; display: flex; flex-wrap: nowrap; gap: 8px; justify-content: center; align-items: center; }
.et-overlay.calibrating .et-instructions { bottom: auto; top: 264px; }
.et-dot {
  --fill: 0; position: absolute; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; cursor: pointer; padding: 0;
  border: 2px solid var(--accent); background: radial-gradient(circle, var(--accent) calc(var(--fill) * 70%), transparent calc(var(--fill) * 70% + 1%));
  animation: et-pulse 1.6s infinite;
}
.et-dot:disabled { background: var(--accent); opacity: .35; animation: none; cursor: default; }
@keyframes et-pulse { 50% { box-shadow: 0 0 0 8px var(--gaze-soft); } }
#webgazerVideoContainer { top: 64px !important; left: 50% !important; transform: translateX(-50%); z-index: 95 !important; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.et-status {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 70; display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 8px 16px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 13px; white-space: nowrap;
}
.et-status .rec { animation: pulse 2s infinite; }
.et-target { pointer-events: none; width: 22px; height: 22px; margin: -11px 0 0 -11px; background: var(--accent); }
.et-rough { color: #d0453b; }
@media (max-width: 560px) { .et-instructions { font-size: 13px; } .et-status { bottom: 12px; gap: 6px; padding: 6px 6px 6px 12px; font-size: 12px; } }

/* ---------- Placeholders ---------- */
.placeholder { outline: 1.5px dashed color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 4px; border-radius: 6px; }
.ph-badge { font: 500 9.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px dashed var(--accent); border-radius: 4px; padding: 1px 6px; margin-left: 8px; vertical-align: 2px; white-space: nowrap; }

/* ---------- Contact band & footer ---------- */
.contact-band { padding: clamp(48px, 7vw, 80px) 0; border-top: 1px solid var(--line); text-align: center; position: relative; overflow: hidden; }
.contact-band h2 { font: 400 clamp(1.3rem, 3vw, 2rem)/1.3 var(--serif); letter-spacing: -.01em; margin: 14px auto 24px; }
.contact-band h2 em { color: var(--accent); }
.contact-icons { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.icon-link { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: border-color .2s, color .2s, transform .2s; }
.icon-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 24px; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { text-decoration: none; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: 76px; transform: translate(-50%, 20px); background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 999px; font-size: 13px; opacity: 0; transition: .25s; z-index: 80; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .project { grid-template-columns: 1fr; }
  .project .num { font-size: 2.4rem; }
}
@media (max-width: 820px) {
  .hero { min-height: auto; padding-top: 28px; }
  .hero-grid { grid-template-columns: 1fr; }
  .portrait { order: -1; width: min(220px, 62%); justify-self: start; margin: 22px 0 0 22px; }
  .portrait-tag { left: auto; right: -40px; bottom: 2%; max-width: 200px; }
  .eyetrack-btn { margin-left: 0; }
  .gaze-hint { position: static !important; margin-top: 18px; }
  .grid-2 { grid-template-columns: 1fr; }
  .year-group { grid-template-columns: 1fr; gap: 6px; }
  .year-group .yr { position: static; font-size: 1.8rem; }
  .manuscripts li { grid-template-columns: 1fr; gap: 4px; }
  .scanpath::before { left: 12px; }
  .scanpath li { grid-template-columns: 1fr; padding-left: 12px; }
  .scanpath .when { text-align: left; padding: 0 0 2px 32px; }
  .scanpath .what { padding-left: 32px; }
  .scanpath .node { top: -20px; }
  .scanpath .node.w3 { top: -24px; }
  .book-detail { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .news-mini li { grid-template-columns: 1fr; gap: 2px; }
  .course { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, #gaze-canvas, .contact-band, .toolbar, .pub-actions { display: none !important; }
  body { background: #fff; color: #000; }
}