/* ============================================================
   Redesign stylesheet (Home). Consumes design tokens (tokens.css)
   + self-hosted fonts (fonts.css). Both themes via [data-theme].
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(60% 50% at 80% 8%, color-mix(in srgb, var(--violet) 18%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 60%, var(--bg-2));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.05; letter-spacing: -0.01em; color: var(--text); }
.zh { font-family: var(--font-cjk); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-7); }
.mono { font-family: var(--font-mono); }

/* skip link */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); }
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* ---------------- Navigation ---------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5); padding: var(--space-4) var(--space-7);
  background: color-mix(in srgb, var(--bg-0) 72%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; color: var(--text); display: flex; align-items: center; gap: var(--space-2); }
.brand .star { color: var(--violet); }
.nav-links { display: flex; align-items: center; gap: var(--space-2); }
.nav-links > * { position: relative; }
.nav-item, .nav-trigger {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--fs-small); color: var(--text-2); background: none; border: 0;
  font-family: inherit; cursor: pointer; padding: 8px 12px; border-radius: var(--radius-sm);
}
.nav-item:hover, .nav-trigger:hover, .nav-item:focus-visible, .nav-trigger:focus-visible { color: var(--text); background: var(--surface); }
.nav-item[aria-current="page"] { color: var(--text); }
.nav-item[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; border-radius: 2px; background: var(--grad); }
.nav-group:hover .menu, .nav-group:focus-within .menu { display: block; }
.menu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 190px;
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); padding: var(--space-2); margin-top: 6px;
}
.menu a { display: block; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--text-2); font-size: var(--fs-small); }
.menu a:hover { background: var(--surface); color: var(--text); }
.cv-btn { font-size: var(--fs-small); font-weight: 600; color: var(--text); border: 1px solid var(--border); padding: 8px 16px; border-radius: var(--radius-pill); }
.cv-btn:hover { border-color: var(--violet); }
.theme-toggle { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 1rem; cursor: pointer; }
.theme-toggle:hover { color: var(--text); border-color: var(--violet); }
.hamburger { display: none; }

/* ---------------- Hero ---------------- */
.hero { position: relative; min-height: min(88vh, 820px); display: flex; align-items: center; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero .backdrop { position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(58% 50% at 72% 42%, color-mix(in srgb, var(--violet) 22%, transparent), transparent 70%),
    radial-gradient(52% 50% at 88% 64%, color-mix(in srgb, var(--cyan) 16%, transparent), transparent 70%); }
.hero .vignette { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(46% 60% at 22% 50%, color-mix(in srgb, var(--bg-0) 92%, transparent) 0%, color-mix(in srgb, var(--bg-0) 55%, transparent) 50%, transparent 80%); }
.hero-inner { position: relative; z-index: 2; padding-top: var(--space-7); padding-bottom: var(--space-7); max-width: 620px; }
.kicker { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.32em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--space-5); }
.hero h1 { font-size: var(--fs-display); margin: 0; text-shadow: 0 0 46px color-mix(in srgb, var(--violet) 45%, transparent); }
.hero h1 .zh { display: block; font-family: var(--font-cjk); font-weight: 400; font-size: clamp(1.3rem, 2vw, 1.8rem); letter-spacing: 0.2em; color: var(--text-2); margin-top: var(--space-4); text-shadow: none; }
.tagline { margin: var(--space-5) 0 0; font-size: clamp(1.15rem, 1.8vw, 1.55rem); font-weight: 300; line-height: 1.45; color: var(--text-2); }
.tagline .m { color: var(--text); font-weight: 600; }
.tagline .g { font-weight: 600; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta { margin-top: var(--space-7); display: flex; gap: var(--space-4); flex-wrap: wrap; }
.btn { font-weight: 600; font-size: var(--fs-small); padding: 14px 28px; border-radius: var(--radius-pill); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary { color: #0a0a14; background: var(--grad); box-shadow: var(--shadow-glow); border: 0; }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn-ghost:hover { border-color: var(--violet); }
.hero-cap { position: absolute; right: var(--space-7); bottom: var(--space-4); z-index: 2; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.16em; color: var(--text-3); }

/* focus visibility */
:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 860px) {
  .container { padding: 0 var(--space-5); }
  .nav { padding: var(--space-3) var(--space-5); }
  .nav-links, .cv-btn { display: none; }
  .hamburger { display: inline-flex; }
  .hero { min-height: 0; padding: var(--space-6) 0 var(--space-7); }
  .hero-inner { max-width: 100%; }
  .hero-cap { display: none; }
}

/* ---------------- Sections ---------------- */
.section { padding: var(--space-9) 0; border-top: 1px solid var(--border); }
.section-kicker { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.28em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--space-4); }
.section-title { font-size: var(--fs-h2); margin: 0 0 var(--space-4); }
.section-intro { color: var(--text-2); max-width: 60ch; margin: 0 0 var(--space-7); font-size: 1.1rem; }
.section-intro a, .about a { color: var(--blue); border-bottom: 1px solid color-mix(in srgb, var(--blue) 40%, transparent); }
.about { color: var(--text-2); max-width: 68ch; font-size: 1.1rem; }
.about strong { color: var(--text); }

.research-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.research-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: var(--space-6) var(--space-5); transition: border-color .2s ease, transform .2s ease; }
.research-card:hover { border-color: color-mix(in srgb, var(--violet) 50%, var(--border)); transform: translateY(-2px); }
.research-card .icon { width: 34px; height: 34px; stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.research-card.sla .icon { color: var(--cat-sla); stroke: var(--cat-sla); }
.research-card.ii  .icon { color: var(--cat-ii);  stroke: var(--cat-ii); }
.research-card.ic  .icon { color: var(--cat-ic);  stroke: var(--cat-ic); }
.research-card.du  .icon { color: var(--cat-du);  stroke: var(--cat-du); }
.research-card h3 { font-size: var(--fs-h3); margin: var(--space-4) 0 var(--space-2); }
.research-card p { color: var(--text-2); font-size: var(--fs-small); margin: 0; line-height: 1.55; }

/* ---------------- Generic blocks (team / opportunities / values) ---------------- */
.lead { color: var(--text-2); max-width: 70ch; font-size: 1.1rem; }
.lead a, .card a, .tl-content a { color: var(--blue); border-bottom: 1px solid color-mix(in srgb, var(--blue) 35%, transparent); }
.lead strong { color: var(--text); }
.team-tagline { font-family: var(--font-serif); font-style: italic; font-size: 1.4rem; color: var(--violet); margin: 0 0 var(--space-4); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: var(--space-5); }
.card h3 { font-size: var(--fs-h3); margin: 0 0 var(--space-2); }
.card p { color: var(--text-2); font-size: var(--fs-small); margin: 0; line-height: 1.55; }
.fellowships { margin-top: var(--space-3); font-size: var(--fs-small); color: var(--text-3); line-height: 1.9; }
.fellowships a { color: var(--blue); border-bottom: 0; white-space: nowrap; }

/* ---------------- Biography timeline ---------------- */
.timeline { position: relative; margin-top: var(--space-6); }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--grad); opacity: 0.6; }
.tl-item { position: relative; padding: 0 0 var(--space-6) var(--space-7); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: 2px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg-1); border: 2px solid var(--violet); }
.tl-date { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.08em; color: var(--text-3); }
.tl-title { font-family: var(--font-serif); font-size: var(--fs-h3); margin: 2px 0; color: var(--text); }
.tl-loc { font-size: var(--fs-small); color: var(--text-3); }
.tl-content { color: var(--text-2); font-size: var(--fs-small); margin-top: 6px; line-height: 1.55; max-width: 70ch; }
.personal-note { margin-top: var(--space-6); color: var(--text-2); font-style: italic; max-width: 72ch; }

@media (max-width: 920px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ---------------- Generic interactive list (talks/teaching/mentorship/awards/service) ---------------- */
/* reuses .pub-header/.pub-h1/.pub-sub, .pub-controls/.pub-search/.pub-sort/.pub-filters,
   .chip/.badge/.tag/.is-hidden/.pub-empty/.pub-loadmore-wrap/.linkbtn from the Publications block. */
.item { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--border); border-radius: var(--radius-card); padding: var(--space-5); }
.item.accent-sla { border-left-color: var(--cat-sla); }
.item.accent-ii  { border-left-color: var(--cat-ii); }
.item.accent-ic  { border-left-color: var(--cat-ic); }
.item.accent-du  { border-left-color: var(--cat-du); }
.item.accent-violet { border-left-color: var(--violet); }
.item.student { border-left-color: #ff9d4d; background: linear-gradient(90deg, color-mix(in srgb, #ff9d4d 7%, transparent), var(--surface) 42%); }
.item-head { display: flex; justify-content: space-between; gap: var(--space-4); align-items: baseline; flex-wrap: wrap; }
.item-title { font-family: var(--font-serif); font-size: var(--fs-h3); margin: 0 0 4px; color: var(--text); }
.item-when { font-family: var(--font-mono); font-size: var(--fs-label); color: var(--text-3); white-space: nowrap; }
.item-meta { color: var(--text-2); font-size: var(--fs-small); line-height: 1.5; }
.item-meta strong { color: var(--text); font-weight: 600; }
.item-meta a, .item-links a { color: var(--blue); }
.item-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-3); align-items: center; }
.item-section-title { font-family: var(--font-serif); font-size: var(--fs-h3); color: var(--text); margin: var(--space-7) 0 var(--space-4); }

/* ---------------- Footer ---------------- */
.site-footer { border-top: 1px solid var(--border); padding: var(--space-7) 0; color: var(--text-3); font-size: var(--fs-small); }
.site-footer .container { display: flex; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; }

@media (max-width: 920px) { .research-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .research-grid { grid-template-columns: 1fr; } }

/* reduced motion: the JS also halts animation; ensure no CSS smooth scroll jank */
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ============================================================
   Publications page
   ============================================================ */

/* ---- Header band ---- */
.pub-header {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .pub-header {
  background: linear-gradient(180deg, var(--surface-2), var(--bg-1));
}
.pub-header-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(50% 60% at 78% 18%, color-mix(in srgb, var(--violet) 20%, transparent), transparent 70%);
}
.pub-header > .container { position: relative; z-index: 1; }
.pub-h1 { font-family: var(--font-serif); font-size: var(--fs-h1); margin: 0; }
.pub-sub { color: var(--text-2); max-width: 60ch; margin: var(--space-4) 0 0; font-size: 1.1rem; }

/* flush section: drop top padding so dashboard sits under header band */
.section--flush { padding-top: 0; }

/* ---- Dashboard (stats + chart) ---- */
.pub-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
  gap: var(--space-6);
  align-items: stretch;
  margin-bottom: var(--space-8);
}
.pub-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.pub-stat {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5) var(--space-4);
  justify-content: center;
}
.pub-stat .n {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pub-stat .l {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--text-3);
}
.pub-chart {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.pub-chart-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
}
.pub-chart-head .t { font-family: var(--font-serif); font-weight: 700; color: var(--text); font-size: var(--fs-h3); }
.pub-chart-head .m { font-family: var(--font-mono); font-size: var(--fs-label); color: var(--text-3); }
.pub-chart img { width: 100%; height: auto; display: block; }
/* theme swap: dark image by default, light image under light theme */
.chart-light { display: none; }
.chart-dark { display: block; }
[data-theme="light"] .chart-dark { display: none; }
[data-theme="light"] .chart-light { display: block; }

/* ---- Controls (search / sort / filters) ---- */
.pub-controls {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.pub-search, .pub-sort {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
}
.pub-search { flex: 1 1 260px; min-width: 180px; }
.pub-search::placeholder { color: var(--text-3); }
.pub-sort { cursor: pointer; }
.pub-search:focus-visible, .pub-sort:focus-visible { outline: 2px solid var(--violet); outline-offset: 1px; border-color: var(--violet); }

.pub-filters { display: flex; flex-wrap: wrap; gap: var(--space-2); width: 100%; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  cursor: pointer;
}
.chip:hover { color: var(--text); border-color: color-mix(in srgb, var(--violet) 45%, var(--border)); }
.chip.is-active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--violet) 55%, var(--border));
  background: color-mix(in srgb, var(--violet) 16%, var(--surface));
}
.chip .dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.d-sla { background: var(--cat-sla); }
.d-ii  { background: var(--cat-ii); }
.d-ic  { background: var(--cat-ic); }
.d-du  { background: var(--cat-du); }
.chip .ct { font-family: var(--font-mono); font-size: var(--fs-label); color: var(--text-3); }
.chip.is-active .ct { color: var(--text-2); }

/* ---- Paper list ---- */
.pub-list { display: flex; flex-direction: column; gap: var(--space-4); }
.paper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  transition: border-color .2s ease, transform .2s ease;
}
.paper:hover { transform: translateY(-2px); border-top-color: color-mix(in srgb, var(--violet) 35%, var(--border)); }
.paper.sla { border-left-color: var(--cat-sla); }
.paper.ii  { border-left-color: var(--cat-ii); }
.paper.ic  { border-left-color: var(--cat-ic); }
.paper.du  { border-left-color: var(--cat-du); }
.paper.student {
  border-left-color: #ff9d4d;
  background: color-mix(in srgb, #ff9d4d 7%, var(--surface));
}
.paper-main { min-width: 0; }
.paper-title { font-family: var(--font-serif); font-size: var(--fs-h3); margin: 0 0 6px; line-height: 1.25; }
.paper-meta { color: var(--text-2); font-size: var(--fs-small); line-height: 1.5; }
.paper-meta strong { color: var(--text); font-weight: 600; }
.paper-badges { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-3); }

/* category badges — AA contrast in both themes: category-hue text on translucent same-hue bg */
.badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 600;
  line-height: 1;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}
.b-sla { color: var(--cat-sla); border: 1px solid color-mix(in srgb, var(--cat-sla) 40%, transparent); background: color-mix(in srgb, var(--cat-sla) 14%, var(--surface)); }
.b-ii  { color: var(--cat-ii);  border: 1px solid color-mix(in srgb, var(--cat-ii) 40%, transparent);  background: color-mix(in srgb, var(--cat-ii) 14%, var(--surface)); }
.b-ic  { color: var(--cat-ic);  border: 1px solid color-mix(in srgb, var(--cat-ic) 40%, transparent);  background: color-mix(in srgb, var(--cat-ic) 14%, var(--surface)); }
.b-du  { color: var(--cat-du);  border: 1px solid color-mix(in srgb, var(--cat-du) 40%, transparent);  background: color-mix(in srgb, var(--cat-du) 14%, var(--surface)); }

/* tags */
.tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 600;
  line-height: 1;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}
.tag.feat {
  color: var(--text-2);
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.tag.stu {
  color: #b25a00;
  border: 1px solid color-mix(in srgb, #ff9d4d 50%, transparent);
  background: color-mix(in srgb, #ff9d4d 16%, var(--surface));
}
[data-theme="light"] .tag.stu { color: #8a4500; }

.paper-links { display: inline-flex; gap: var(--space-3); margin-left: 2px; }
.paper-links a.reslink {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--blue);
  border-bottom: 0;
}
.paper-links a.reslink:hover { text-decoration: underline; }

.paper-cite { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.paper-cite .n { font-family: var(--font-mono); font-weight: 700; font-size: 1.4rem; line-height: 1; color: var(--text); }
.paper-cite .l { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.06em; color: var(--text-3); }

/* hidden by JS filtering / load-more */
.is-hidden { display: none !important; }

/* empty state */
.pub-empty { color: var(--text-2); font-size: 1.05rem; margin: var(--space-7) 0; text-align: center; }
.linkbtn {
  font-family: inherit; font-size: inherit;
  color: var(--blue);
  background: none; border: 0; padding: 0;
  cursor: pointer; text-decoration: underline;
}
.linkbtn:hover { color: var(--violet); }

/* load more */
.pub-loadmore-wrap { display: flex; justify-content: center; margin-top: var(--space-7); }

/* ---- Responsive ---- */
@media (max-width: 920px) {
  .pub-dashboard { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .pub-stats { grid-template-columns: repeat(2, 1fr); }
  .pub-controls { flex-direction: column; align-items: stretch; }
  .pub-search, .pub-sort { width: 100%; flex: 1 1 auto; }
  .paper {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .paper-cite { text-align: left; align-items: flex-start; flex-direction: row; gap: var(--space-2); align-items: baseline; }
}

/* mentorship stage chip dots (match item accents) */
.d-postdoc{background:var(--cat-sla)}
.d-doctoral{background:var(--cat-ii)}
.d-masters{background:var(--cat-ic)}
.d-bachelors{background:var(--cat-du)}

.install { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; margin-top: var(--space-3); overflow-x: auto; }

/* ---------------- Mobile nav (hamburger) ---------------- */
@media (max-width: 860px) {
  .nav-open .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; left: 0; right: 0; top: 100%; background: var(--bg-1);
    border-bottom: 1px solid var(--border); padding: var(--space-4) var(--space-5);
    max-height: 80vh; overflow-y: auto; }
  .nav-open .nav-group { position: static; }
  .nav-open .menu { display: block; position: static; border: 0; box-shadow: none; background: transparent;
    padding: 0 0 var(--space-3) var(--space-4); margin: 0; min-width: 0; }
  .nav-open .nav-trigger { width: 100%; justify-content: flex-start; pointer-events: none;
    color: var(--text-3); text-transform: uppercase; font-size: var(--fs-label); letter-spacing: .12em; }
  .nav-open .nav-item { width: 100%; padding: 10px 12px; }
  .nav-open .menu a { padding: 10px 12px; }
  .nav-open .cv-btn { display: inline-flex; margin-top: var(--space-3); width: max-content; }
}