/* ============================================================
   raillm — colour concept
   ------------------------------------------------------------
   Light mode:  pure white (#FFFFFF) surfaces, dark elegant
                pine green as ink, burnt amber as accent that
                stays readable on white (WCAG AA for text).
   Dark mode:   deep pine green surfaces (not black), white ink,
                signal amber accent brightened for dark ground.
   ============================================================ */

:root {
  /* pine green ramp — dark, elegant */
  --green-950: #041D15;
  --green-900: #0A2E22;
  --green-850: #0E382A;
  --green-800: #123F2F;
  --green-700: #1A523D;
  --green-600: #24684E;
  --green-500: #2F7F60;
  --green-300: #7FB39A;
  --green-200: #B9D6C7;
  --green-100: #DFEDE5;
  --green-50:  #F1F7F3;

  /* signal amber ramp — yellow/orange, dark enough on white */
  --amber-900: #713F05;
  --amber-800: #8F4E06;
  --amber-700: #B45309;   /* text-safe accent on pure white (≈4.9:1) */
  --amber-600: #D97706;
  --amber-500: #F59E0B;
  --amber-400: #FBBF24;
  --amber-100: #FCEFD9;

  /* semantic tokens — light */
  --bg: #FFFFFF;                  /* pure white, not off-white */
  --bg-elev: #FFFFFF;
  --bg-soft: var(--green-50);
  --ink: var(--green-900);
  --ink-strong: var(--green-950);
  --ink-soft: #46685A;
  --line: #DCE8E1;
  --accent: var(--amber-700);
  --accent-strong: var(--amber-600);
  --accent-soft: var(--amber-100);
  --accent-on-soft: var(--amber-800); /* text-safe on the amber tint */
  --focus: var(--amber-600);

  /* artwork tokens — light (dawn over a green landscape) */
  --art-sky-top: #FFFFFF;
  --art-sky-bottom: #E9F3EC;
  --art-sun: #F2B234;
  --art-sun-glow: rgba(242, 178, 52, 0.30);
  --art-far: #C7DDD0;
  --art-mid: #8FB8A2;
  --art-near-top: #2C6A4F;
  --art-near-bottom: #123F2F;
  --art-prop: #0A2E22;
  --art-track: #08251B;
  --art-rail: #E9F3EC;
  --art-label: #FFFFFF;
  --art-label-soft: rgba(255, 255, 255, 0.72);
  --art-node-ring: rgba(255, 255, 255, 0.92);
  --art-node-fill: rgba(255, 255, 255, 0.14);
  --art-night: rgba(4, 29, 21, 0.38);
  --art-lit: #E9F3EC;
  --art-corridor: rgba(180, 83, 9, 0.55);

  --shadow: 0 10px 30px rgba(4, 29, 21, 0.10);
  --radius: 14px;

  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0A2E22;                 /* dark green, not black */
  --bg-elev: #0E382A;
  --bg-soft: #0C3326;
  --ink: #F2F8F4;
  --ink-strong: #FFFFFF;
  --ink-soft: #9FC2B0;
  --line: #1C4A38;
  --accent: var(--amber-400);
  --accent-strong: var(--amber-500);
  --accent-soft: rgba(251, 191, 36, 0.14);
  --accent-on-soft: var(--amber-400);
  --focus: var(--amber-400);

  /* artwork tokens — dark (nightfall over the network) */
  --art-sky-top: #06251B;
  --art-sky-bottom: #0C3A2A;
  --art-sun: #F5C866;
  --art-sun-glow: rgba(245, 200, 102, 0.18);
  --art-far: #10402F;
  --art-mid: #0C3527;
  --art-near-top: #092A1F;
  --art-near-bottom: #041D15;
  --art-prop: #031710;
  --art-track: #031710;
  --art-rail: #7FB39A;
  --art-label: #F2F8F4;
  --art-label-soft: rgba(242, 248, 244, 0.66);
  --art-node-ring: rgba(242, 248, 244, 0.9);
  --art-node-fill: rgba(242, 248, 244, 0.10);
  --art-night: rgba(2, 14, 10, 0.55);
  --art-lit: var(--amber-400);
  --art-corridor: rgba(251, 191, 36, 0.5);

  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* ---------- base ---------- */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 58px;
}

.brand {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ink-strong);
  font-weight: 700;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand .x { color: var(--accent); }

.topbar-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}
.topbar-nav a { color: var(--ink-soft); }
.topbar-nav a:hover { color: var(--accent); text-decoration: none; }

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: grid;
  place-items: center;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

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

.hero-head {
  padding: 46px 0 26px;
}

.hero-head h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  margin: 0 0 10px;
  color: var(--ink-strong);
  font-weight: 700;
  letter-spacing: 0.005em;
}
.hero-head h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-head p {
  margin: 0;
  max-width: 68ch;
  color: var(--ink-soft);
  font-size: 16.5px;
}

/* full-bleed artwork */
.hero-art {
  position: relative;
  width: 100%;
}

.hero-art svg {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in;
}

.hero-hint {
  position: absolute;
  right: 22px;
  bottom: 18px;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(4, 29, 21, 0.45);
  color: #fff;
  backdrop-filter: blur(6px);
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-hint:hover {
  border-color: var(--amber-400);
  color: var(--amber-400);
}

/* ---------- artwork internals (SVG styled via CSS vars) ---------- */

.art .sky-top    { stop-color: var(--art-sky-top); }
.art .sky-bottom { stop-color: var(--art-sky-bottom); }
.art .far-hill   { fill: var(--art-far); }
.art .mid-hill   { fill: var(--art-mid); }
.art .near-top   { stop-color: var(--art-near-top); }
.art .near-bottom{ stop-color: var(--art-near-bottom); }
.art .sun-core   { fill: var(--art-sun); }
.art .sun-glow   { fill: var(--art-sun-glow); }
.art .prop       { fill: var(--art-prop); stroke: none; }
.art .prop-line  { stroke: var(--art-prop); fill: none; }
.art .track-bed  { stroke: var(--art-track); }
.art .sleepers   { stroke: var(--art-track); }
.art .rail       { stroke: var(--art-rail); }
.art .corridor   { stroke: var(--art-corridor); }
.art .night-stop { stop-color: #041D15; }
html[data-theme="dark"] .art .night-stop-end { stop-opacity: 0.75; }
.art .lit        { fill: var(--art-lit); }
.art .lamp-amber { fill: var(--amber-500); }
.art .lamp-green { fill: var(--green-500); }
.art .glow       { fill: var(--art-sun-glow); }
.art .contour    { stroke: var(--art-mid); }
.art .bird       { stroke: var(--art-prop); }
.art .star       { fill: var(--amber-400); opacity: 0; }
html[data-theme="dark"] .art .star { opacity: 0.85; }
html[data-theme="dark"] .art .lamp-glow { opacity: 0.5; }
.art .lamp-glow  { fill: var(--amber-500); opacity: 0.18; }

.art .caption {
  fill: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.04em;
}

/* phase nodes */
.phase-node { cursor: pointer; }
.phase-node:focus { outline: none; } /* the amber halo below marks focus instead */
.phase-node .node-hit { fill: transparent; }
.phase-node .node-ring {
  fill: var(--art-node-fill);
  stroke: var(--art-node-ring);
  stroke-width: 2.5;
  transition: transform 0.18s ease, stroke 0.18s ease, fill 0.18s ease;
}
.phase-node .node-halo {
  fill: none;
  stroke: var(--amber-500);
  stroke-width: 2;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.phase-node .node-fill {
  fill: var(--amber-500);
  opacity: 0;
  transform: scale(0.4);
  transform-origin: center;
  transform-box: fill-box;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.phase-node .node-dot {
  fill: var(--art-node-ring);
  transition: fill 0.18s ease;
}
.phase-node .node-label {
  fill: var(--art-label);
  font-size: 24px;
  font-weight: 600;
  text-anchor: middle;
  font-family: var(--font-body);
}
.phase-node .node-horizon {
  fill: var(--art-label-soft);
  font-size: 18px;
  text-anchor: middle;
  font-family: var(--font-body);
}

.phase-node:hover .node-halo,
.phase-node:focus-visible .node-halo { opacity: 1; transform: scale(1.12); transform-origin: center; transform-box: fill-box; }
.phase-node:hover .node-ring { stroke: var(--amber-400); }

.phase-node[data-state="full"] .node-fill { opacity: 1; transform: scale(1); }
.phase-node[data-state="full"] .node-dot { fill: var(--green-950); }
.phase-node[data-state="full"] .node-ring { stroke: var(--amber-400); }
.phase-node[data-state="partial"] .node-ring { stroke: var(--amber-400); stroke-dasharray: 6 5; }
.phase-node[data-state="partial"] .node-dot { fill: var(--amber-400); }

/* ---------- main layout ---------- */

.main { padding: 44px 0 20px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
  gap: 44px;
  align-items: start;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 14px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0;
  color: var(--ink-strong);
}
.section-head .count {
  color: var(--ink-soft);
  font-size: 13.5px;
}

/* ---------- filter bar ---------- */

.filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 0 18px;
}

.filterbar .label {
  font-size: 13px;
  color: var(--ink-soft);
  margin-right: 2px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.chip:hover { border-color: var(--accent); }
.chip[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-on-soft);
  font-weight: 600;
}
.chip .swatch {
  width: 9px; height: 9px; border-radius: 50%;
  display: inline-block;
}
.swatch.science  { background: var(--green-600); }
.swatch.industry { background: var(--amber-600); }
.swatch.blog     { background: var(--green-500); }
html[data-theme="dark"] .swatch.science { background: var(--green-300); }
html[data-theme="dark"] .swatch.blog    { background: #F2F8F4; }

.chip-clear {
  border: none;
  background: none;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  padding: 5px 8px;
  display: none;
}
.chip-clear[data-visible="true"] { display: inline-block; }
.chip-clear:hover { text-decoration: underline; }

.active-steps {
  width: 100%;
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 2px;
}
.active-steps[data-visible="true"] { display: flex; }
.step-tag {
  font-size: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.step-tag:hover { border-color: var(--accent); color: var(--accent); }
.step-tag::after { content: " ×"; }

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

.pub-list {
  border-top: 1px solid var(--line);
}

.pub-row {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) 108px 34px;
  gap: 16px;
  align-items: start;
  padding: 16px 10px;
  border-bottom: 1px solid var(--line);
  border-radius: 8px;
  transition: background 0.15s ease;
}
.pub-row:hover { background: var(--bg-soft); }

.pub-date {
  color: var(--ink-soft);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
  white-space: nowrap;
}

.pub-main .pub-title {
  font-weight: 650;
  font-size: 15.5px;
  color: var(--ink-strong);
  text-decoration: none;
}
.pub-main .pub-title:hover { color: var(--accent); }

.pub-desc {
  margin: 3px 0 6px;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.pub-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.pub-steps .mini {
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 1px 8px;
  border-radius: 999px;
}

.pub-cat { padding-top: 2px; }

.pill {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 11px;
  border: 1px solid transparent;
  cursor: pointer;
}
.pill.science {
  background: var(--green-100);
  color: var(--green-800);
  border-color: var(--green-200);
}
.pill.industry {
  background: var(--amber-100);
  color: var(--amber-800);
  border-color: #F3D9AE;
}
.pill.blog {
  background: var(--green-900);
  color: #FFFFFF;
  border-color: var(--green-900);
}
html[data-theme="dark"] .pill.science {
  background: rgba(47, 127, 96, 0.22);
  color: var(--green-200);
  border-color: var(--green-700);
}
html[data-theme="dark"] .pill.industry {
  background: rgba(251, 191, 36, 0.14);
  color: var(--amber-400);
  border-color: rgba(251, 191, 36, 0.35);
}
html[data-theme="dark"] .pill.blog {
  background: #F2F8F4;
  color: var(--green-900);
  border-color: #F2F8F4;
}

.pub-link {
  color: var(--ink-soft);
  padding-top: 2px;
  text-align: right;
}
.pub-link a { color: inherit; font-size: 15px; }
.pub-link a:hover { color: var(--accent); text-decoration: none; }

.empty-note {
  padding: 28px 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* ---------- timeline ---------- */

.timeline-section { margin-top: 46px; }

.timeline {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 18px 26px 10px;
  overflow-x: auto;
}

.tl-canvas {
  position: relative;
  min-width: 560px;
  height: 168px;
}

.tl-lane {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--line);
}
.tl-lane-label {
  position: absolute;
  left: 0;
  transform: translateY(-160%);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.tl-tick {
  position: absolute;
  top: 0;
  bottom: 26px;
  width: 1px;
  background: var(--line);
  opacity: 0.7;
}
.tl-tick-label {
  position: absolute;
  bottom: 4px;
  transform: translateX(-50%);
  font-size: 11.5px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.tl-dot {
  position: absolute;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  border: 2px solid var(--bg);
  transition: transform 0.12s ease, opacity 0.2s ease;
}
.tl-dot.science  { background: var(--green-600); }
.tl-dot.industry { background: var(--amber-600); }
.tl-dot.blog     { background: var(--green-500); }
html[data-theme="dark"] .tl-dot.science { background: var(--green-300); }
html[data-theme="dark"] .tl-dot.blog    { background: #F2F8F4; }
.tl-dot:hover { transform: translate(-50%, -50%) scale(1.45); z-index: 3; }
.tl-dot[data-dimmed="true"] { opacity: 0.18; pointer-events: none; }

.tl-tip {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  background: var(--green-950);
  color: #fff;
  font-size: 12.5px;
  padding: 7px 11px;
  border-radius: 8px;
  transform: translate(-50%, -130%);
  white-space: nowrap;
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity 0.12s ease;
  box-shadow: var(--shadow);
}
.tl-tip[data-visible="true"] { opacity: 1; }
.tl-tip .tip-date { color: var(--amber-400); margin-right: 7px; font-variant-numeric: tabular-nums; }

/* ---------- profile ---------- */

.profile {
  position: sticky;
  top: 84px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 26px;
  box-shadow: var(--shadow);
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, var(--green-600), var(--green-900) 75%);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.03em;
  flex: none;
  border: 2px solid var(--amber-500);
}

.profile-name {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-strong);
  margin: 0;
}
.profile-tag {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

.profile h4 {
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 20px 0 8px;
}

.role-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.role-list li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.role-list li:last-child { border-bottom: none; }
.role-list .role-title { font-weight: 600; color: var(--ink-strong); display: block; }
.role-list .role-org { color: var(--ink-soft); font-size: 13px; }

.profile-bio {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 6px 0 0;
}
.profile-bio strong { color: var(--ink); }

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.profile-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 13px;
  color: var(--ink);
}
.profile-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* ---------- process modal ---------- */

dialog.process-modal {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  color: var(--ink);
  padding: 0;
  width: min(1180px, 94vw);
  max-height: 88vh;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}
dialog.process-modal::backdrop {
  background: rgba(4, 29, 21, 0.55);
  backdrop-filter: blur(3px);
}

.modal-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 22px 28px 6px;
}
.modal-head h3 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 22px;
  color: var(--ink-strong);
}
.modal-head p { margin: 0; font-size: 13px; color: var(--ink-soft); }
.modal-close {
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); }

.chart {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(168px, 1fr);
  gap: 0;
  padding: 18px 22px 8px;
  overflow-x: auto;
}

.phase-col {
  position: relative;
  padding: 0 14px;
}
.phase-col + .phase-col::before {
  content: "→";
  position: absolute;
  left: -7px;
  top: 14px;
  color: var(--accent);
  font-size: 15px;
}

.phase-col-head {
  width: 100%;
  text-align: left;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--ink-strong);
  cursor: pointer;
  padding: 9px 12px;
  margin-bottom: 10px;
  font: inherit;
}
.phase-col-head .ph-name { font-weight: 700; font-size: 13.5px; display: block; }
.phase-col-head .ph-horizon { font-size: 11.5px; color: var(--ink-soft); }
.phase-col-head:hover { border-color: var(--accent); }
.phase-col-head[data-state="full"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.phase-col-head[data-state="full"] .ph-name { color: var(--accent-on-soft); }
.phase-col-head[data-state="partial"] { border-color: var(--accent); border-style: dashed; }

.step-btn {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  margin: 6px 0;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.step-btn:hover { border-color: var(--accent); }
.step-btn[aria-pressed="true"] {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--green-950);
  font-weight: 650;
}

.modal-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 28px 22px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.modal-foot .spacer { flex: 1; }
.modal-foot button {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  cursor: pointer;
}
.modal-foot button:hover { border-color: var(--accent); color: var(--accent); }
.modal-foot .primary {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--green-950); /* dark ink on amber passes AA in both themes */
  font-weight: 650;
}
html[data-theme="dark"] .modal-foot .primary { background: var(--amber-400); border-color: var(--amber-400); }
.modal-foot .primary:hover { color: var(--green-950); filter: brightness(1.06); }

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

.footer {
  margin-top: 60px;
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--ink-soft);
  font-size: 13px;
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: center;
}
.footer a { color: var(--ink-soft); text-decoration: underline; }
.footer a:hover { color: var(--accent); }

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

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .profile { position: static; order: -1; }
}

@media (max-width: 660px) {
  .pub-row { grid-template-columns: 70px minmax(0, 1fr); }
  .pub-cat, .pub-link { grid-column: 2; padding-top: 0; text-align: left; }
  .hero-head { padding: 30px 0 18px; }
}