/* =========================================================================
   Jingwei Ni — "Calibrated" instrument identity
   Palette derived from the research thesis: confidence vs. verified truth.
   ========================================================================= */

:root {
  --ink: #16181d;
  --ink-soft: #353941;
  --body: #3c4047;
  --muted: #6b6f6a;
  --paper: #f3f1e9;
  --paper-2: #edeadf;
  --surface: #fcfbf7;
  --line: #dcd8cc;
  --line-strong: #c2bdac;

  --signal: #2b59c7;          /* "calibrated / verified" */
  --signal-ink: #1c3f96;
  --signal-soft: #e4eafa;
  --trace: #c2410c;           /* "flagged / not yet verified" */
  --trace-soft: #f8e7da;

  --radius: 6px;
  --radius-lg: 12px;
  --max-width: 1160px;

  --mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: 88px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Faint graph-paper grid — measurement, not decoration */
body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(90deg, rgba(22, 24, 29, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(22, 24, 29, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 62%);
}

img { max-width: 100%; display: block; }

a {
  color: var(--signal-ink);
  text-decoration-thickness: 0.07em;
  text-underline-offset: 0.18em;
  transition: color 0.18s ease;
}

a:hover { color: var(--trace); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

/* ---- shared type bits ------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--display);
  color: var(--ink);
  margin-top: 0;
  font-weight: 600;
  letter-spacing: -0.015em;
}

p { margin-top: 0; }

/* mono "readout" label — the instrument vernacular */
.readout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.readout::before {
  content: "";
  width: 18px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--signal);
}

.readout-div { color: var(--line-strong); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(100% - 40px, var(--max-width));
  min-height: 70px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
}

.brand-mark::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 5px;
  width: 5px;
  height: 5px;
  background: var(--signal);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 3vw, 30px);
  flex-wrap: wrap;
}

.nav-links a {
  position: relative;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 1.5px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--signal-ink); }

.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

/* ---- section rhythm --------------------------------------------------- */

.section-band { padding: clamp(60px, 9vw, 116px) 0; }

.section-heading { margin-bottom: clamp(30px, 5vw, 52px); }

.section-title {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.7rem);
  line-height: 1.02;
}

.section-heading .section-title { max-width: 18ch; }

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

.hero {
  position: relative;
  padding: clamp(44px, 7vw, 86px) 0 clamp(40px, 6vw, 64px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background:
    radial-gradient(120% 90% at 88% -10%, var(--signal-soft) 0%, transparent 46%),
    linear-gradient(180deg, var(--surface), transparent 38%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.8fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: center;
}

.hero-grid > *,
.intro-grid > *,
.education-grid > *,
.publications-heading > * { min-width: 0; }

.hero-readout { font-size: 0.74rem; }

h1 {
  margin: 0 0 22px;
  max-width: 16ch;
  font-size: clamp(2.7rem, 7.4vw, 5.6rem);
  line-height: 0.96;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.h1-accent { color: var(--signal-ink); }

.hero-lede {
  max-width: 54ch;
  margin: 0 0 30px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  line-height: 1.55;
}

/* ---- signature: calibration gauge ------------------------------------ */

.gauge {
  margin: 0 0 32px;
  padding: 18px 20px 16px;
  max-width: 480px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.gauge-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gauge-label { color: var(--ink); font-weight: 700; }
.gauge-readout { color: var(--muted); }

.gauge-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: var(--paper-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

.gauge-ticks {
  position: absolute;
  inset: -7px 0 auto 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--line-strong) 0 1px,
    transparent 1px 10%
  );
}

.gauge-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 82%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--signal) 0%, color-mix(in srgb, var(--signal) 78%, #5b86e8) 100%);
}

.gauge-needle {
  position: absolute;
  top: 50%;
  left: 82%;
  width: 16px;
  height: 16px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--trace);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 1px var(--trace);
}

.gauge-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.gauge-scale span:nth-child(2) { text-transform: uppercase; }

/* entrance sweep — only with JS, only when motion is allowed */
.js .gauge-fill { animation: gauge-fill 1.5s cubic-bezier(0.16, 0.84, 0.32, 1) 0.35s both; }
.js .gauge-needle { animation: gauge-needle 1.5s cubic-bezier(0.16, 0.84, 0.32, 1) 0.35s both; }

@keyframes gauge-fill { from { width: 0; } to { width: 82%; } }
@keyframes gauge-needle { from { left: 0; } to { left: 82%; } }

/* ---- buttons ---------------------------------------------------------- */

.hero-actions,
.profile-links,
.inline-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.button.secondary { background: var(--surface); color: var(--ink); }

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 24, 29, 0.16);
}

.button.primary:hover,
.button.primary:focus-visible { background: var(--signal-ink); border-color: var(--signal-ink); }
.button.secondary:hover,
.button.secondary:focus-visible { border-color: var(--signal); color: var(--signal-ink); }

/* ---- hero portrait + instrument plate -------------------------------- */

.hero-portrait { position: relative; }

.portrait-frame {
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 40px rgba(22, 24, 29, 0.14);
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 18%;
  filter: saturate(0.97) contrast(1.03);
}

.profile-card {
  position: relative;
  width: min(90%, 360px);
  margin: -46px auto 0;
  padding: 18px 20px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 26px rgba(22, 24, 29, 0.12);
}

.plate-line {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: baseline;
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.plate-line span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.plate-line strong { font-weight: 700; color: var(--ink); }

.profile-links {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  gap: 4px 14px;
}

.profile-links a {
  font-family: var(--mono);
  font-size: 0.74rem;
  overflow-wrap: anywhere;
}

/* ---- featured paper --------------------------------------------------- */

.featured-paper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: clamp(40px, 6vw, 70px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(22, 24, 29, 0.1);
}

.featured-paper h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 2.7vw, 2.1rem);
  line-height: 1.12;
}

.featured-paper h2 a { color: var(--ink); text-decoration: none; }
.featured-paper h2 a:hover,
.featured-paper h2 a:focus-visible { color: var(--signal-ink); }

.featured-authors { margin: 0; color: var(--muted); font-family: var(--mono); font-size: 0.8rem; }

.featured-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  text-align: right;
}

.featured-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
}

/* ---- tags (venue / status) ------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  line-height: 1;
  white-space: nowrap;
}

.tag-oral {
  border-color: var(--signal);
  background: var(--signal-soft);
  color: var(--signal-ink);
}

.tag-pending {
  border-color: color-mix(in srgb, var(--trace) 55%, var(--line-strong));
  background: var(--trace-soft);
  color: var(--trace);
}

.pub-year {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

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

.intro-band {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.intro-grid,
.education-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 6vw, 76px);
}

.intro-head .section-title,
.education-head .section-title { max-width: 14ch; }

.prose { color: var(--body); font-size: 1.05rem; }
.prose p { margin-bottom: 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); }

/* ---- research focus --------------------------------------------------- */

.focus-grid {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.focus-grid > .focus-card { flex: 1 1 0; min-width: 0; }

.focus-arrow {
  flex: 0 0 auto;
  align-self: center;
  padding: 0 22px;
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--signal);
}

.focus-card,
.project-card,
.publication-card,
.timeline-item {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.focus-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: clamp(24px, 3.4vw, 34px);
}

.focus-card.accent {
  background: var(--signal-soft);
  border-color: color-mix(in srgb, var(--signal) 30%, var(--line-strong));
}

.focus-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  margin-bottom: auto;
  padding: 5px 11px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.focus-card.accent .focus-tag { border-color: var(--signal-ink); color: var(--signal-ink); }

.focus-card h3 {
  margin: 26px 0 12px;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.12;
}

.focus-card p { margin: 0; color: var(--body); }

/* ---- projects & service ---------------------------------------------- */

.service-band {
  background:
    linear-gradient(180deg, var(--paper-2), var(--paper));
  border-top: 1px solid var(--line);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--signal);
  box-shadow: 0 14px 30px rgba(22, 24, 29, 0.12);
}

.project-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.18;
}

.project-card p { margin: 0 0 18px; color: var(--body); font-size: 0.96rem; }

.card-link,
.inline-links a {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.76rem;
  text-decoration: none;
}

.inline-links { gap: 8px 18px; }

/* ---- publications ----------------------------------------------------- */

.publications-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 340px);
  gap: 28px;
  align-items: end;
}

.section-note { margin: 0 0 4px; color: var(--muted); font-size: 0.98rem; }

.selected-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.publication-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.publication-card:hover {
  transform: translateY(-3px);
  border-color: var(--signal);
  box-shadow: 0 12px 26px rgba(22, 24, 29, 0.1);
}

.publication-card.highlight {
  background: var(--ink);
  border-color: var(--ink);
  color: #e8e9ec;
}

.publication-card.highlight h3,
.publication-card.highlight h3 a { color: #f4f5f7; }
.publication-card.highlight p { color: #b9bcc3; }
.publication-card.highlight .pub-year { background: #fff; color: var(--ink); }

.publication-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.publication-card h3 {
  margin: 0 0 14px;
  font-size: 1.18rem;
  line-height: 1.22;
}

.publication-card h3 a { color: inherit; text-decoration: none; }
.publication-card h3 a:hover,
.publication-card h3 a:focus-visible { color: var(--signal-ink); }
.publication-card.highlight h3 a:hover,
.publication-card.highlight h3 a:focus-visible { color: #8fb0ff; }

.pub-tldr { margin: 0 0 16px; color: var(--body); font-size: 0.95rem; line-height: 1.5; }
.pub-authors { margin: auto 0 0; color: var(--muted); font-family: var(--mono); font-size: 0.76rem; }

/* full list */
.publication-list-block {
  margin-top: clamp(44px, 7vw, 72px);
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}

.list-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 24px;
}

.list-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
}

.list-head .readout { margin: 0; }
.list-head .readout::before { display: none; }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: middle;
}

.dot.signal { background: var(--signal); }
.dot.trace { background: var(--trace); }

.publication-table { display: grid; gap: 6px; }

.publication-entry {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.publication-entry:hover {
  border-color: var(--signal);
  background: var(--surface);
  transform: translateX(3px);
}

.publication-entry.featured-entry {
  border-color: var(--ink);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(22, 24, 29, 0.09);
}

.publication-index {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

.featured-entry .publication-index { color: var(--trace); }

.publication-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
}

.publication-entry .pub-year,
.publication-entry .tag {
  padding: 4px 8px;
  font-size: 0.63rem;
}

.publication-entry h3 {
  max-width: 70ch;
  margin: 0;
  font-size: clamp(0.92rem, 1.2vw, 1.02rem);
  line-height: 1.3;
}

.publication-entry h3 a { color: var(--ink); text-decoration: none; }
.publication-entry h3 a:hover,
.publication-entry h3 a:focus-visible { color: var(--signal-ink); text-decoration: underline; }

/* ---- education -------------------------------------------------------- */

.education-band {
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.timeline {
  display: grid;
  gap: 14px;
  border-left: 1px solid var(--line-strong);
  padding-left: 26px;
}

.timeline-item {
  position: relative;
  padding: 22px 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 26px;
  left: -33px;
  width: 13px;
  height: 13px;
  background: var(--surface);
  border: 3px solid var(--signal);
  border-radius: 50%;
}

.timeline-item:first-child::before { border-color: var(--trace); background: var(--trace); }

.timeline-date {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--signal-ink);
}

.timeline-item h3 { margin: 0 0 6px; font-size: 1.25rem; line-height: 1.15; }
.timeline-item p { margin: 0; color: var(--muted); }

/* ---- footer ----------------------------------------------------------- */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--ink);
  background: var(--ink);
  color: #d7d9de;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.site-footer p { margin: 0; font-family: var(--mono); font-size: 0.8rem; }

.footer-links { gap: 8px 22px; }
.footer-links a { color: #aeb7ff; font-family: var(--mono); font-size: 0.78rem; }
.footer-links a:hover { color: #fff; }

/* ---- scroll reveal ---------------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 0.84, 0.32, 1);
}

.js [data-reveal].in { opacity: 1; transform: none; }

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

@media (max-width: 980px) {
  .project-grid,
  .selected-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero-grid,
  .intro-grid,
  .education-grid,
  .publications-heading { grid-template-columns: 1fr; }

  .hero-copy { order: 2; }
  .hero-portrait { order: 1; max-width: 420px; }

  .intro-head .section-title,
  .education-head .section-title,
  .section-heading .section-title { max-width: none; }

  .featured-paper { grid-template-columns: 1fr; }

  .focus-grid { flex-direction: column; }
  .focus-arrow { transform: rotate(90deg); padding: 14px 0; }

  .featured-meta { flex-direction: row; align-items: center; text-align: left; }
}

@media (max-width: 560px) {
  .nav-shell {
    min-height: auto;
    padding: 14px 0;
    flex-wrap: wrap;
    align-items: center;
  }

  .nav-links { width: 100%; gap: 10px 16px; justify-content: flex-start; }

  .section-band { padding: 54px 0; }
  .hero { padding-top: 30px; }

  h1 { font-size: clamp(2.3rem, 11vw, 3rem); max-width: none; }

  .gauge { max-width: none; }

  .project-grid,
  .selected-grid { grid-template-columns: 1fr; }

  .hero-actions .button { flex: 1 1 auto; }

  .publication-entry {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px 18px;
  }

  .publication-index { font-size: 0.74rem; }

  .footer-grid { flex-direction: column; align-items: flex-start; }
}

/* ---- reduced motion --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js [data-reveal] { opacity: 1; transform: none; }
  .gauge-fill { width: 82%; }
  .gauge-needle { left: 82%; }
}