/* ============================================================
   Self-hosted fonts
   ============================================================ */
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}

/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --paper: #F2F3EE;
  --paper-deep: #E9EAE1;
  --surface: #FFFFFF;
  --ink: #1B2333;
  --ink-soft: #4E5A70;
  --ink-faint: #8992A3;
  --line: #D8D8CC;
  --line-soft: #E5E5DB;
  --brass: #9C6F28;
  --brass-deep: #7C5820;
  --brass-tint: #F1E7D2;

  --safe: #2F6D4F;
  --safe-tint: #E4EFE8;
  --moderate: #B4720F;
  --moderate-tint: #F6E9D3;
  --ambitious: #9C3B3B;
  --ambitious-tint: #F3E0DD;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-data: 'IBM Plex Mono', ui-monospace, monospace;

  --radius-sm: 3px;
  --radius-md: 6px;
  --shadow-card: 0 1px 2px rgba(27, 35, 51, 0.06), 0 6px 20px rgba(27, 35, 51, 0.05);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

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

::selection { background: var(--brass-tint); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.container-doc {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ============================================================
   Top bar
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 243, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--brass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--brass-deep);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
}

.brand-sub {
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.topnav {
  display: flex;
  gap: 4px;
}

.topnav a {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.topnav a:hover, .topnav a:focus-visible {
  background: var(--surface);
  color: var(--ink);
}

@media (max-width: 860px) {
  .topnav { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 68px 0 44px;
  border-bottom: 1px solid var(--line);
}

.hero-eyebrow {
  font-size: 12.5px;
  color: var(--brass-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.1rem, 4vw, 3.05rem);
  line-height: 1.1;
  color: var(--ink);
  max-width: 15ch;
  margin-bottom: 20px;
}

.hero-lede {
  font-size: 17.5px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 34px;
}

.hero-lede strong { color: var(--ink); font-weight: 600; }

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-item {
  padding: 18px 20px 18px 0;
  border-right: 1px solid var(--line);
}

.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
}

.stat-label {
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-top: 6px;
}

/* ============================================================
   Section headers
   ============================================================ */
.section { padding: 56px 0; scroll-margin-top: 76px; }
.section + .section { border-top: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--ink);
}

.section-desc {
  font-size: 14.5px;
  color: var(--ink-faint);
  max-width: 48ch;
}

/* ============================================================
   Explorer: filters
   ============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  align-items: center;
}

.filter-bar .form-control,
.filter-bar .form-select {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  border-radius: var(--radius-sm);
  box-shadow: none;
}

.filter-bar .form-control:focus,
.filter-bar .form-select:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px var(--brass-tint);
}

#searchInput { max-width: 280px; }
.filter-bar .form-select { max-width: 190px; }

.chip-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.chip-toggle button {
  background: var(--surface);
  border: none;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  border-right: 1px solid var(--line);
  transition: background 0.15s, color 0.15s;
}
.chip-toggle button:last-child { border-right: none; }
.chip-toggle button.active { background: var(--ink); color: var(--paper); }
.chip-toggle button:hover:not(.active) { background: var(--paper-deep); }

.result-count {
  font-size: 13px;
  color: var(--ink-faint);
  margin-left: auto;
}

/* ============================================================
   Explorer: table
   ============================================================ */
.doc-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow-x: auto;
  background: var(--surface);
}

.doc-table {
  width: 100%;
  min-width: 760px;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 14px;
}

.doc-table thead th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.doc-table thead th:hover { color: var(--ink); }

.doc-table thead th .sort-arrow {
  display: inline-block;
  margin-left: 4px;
  opacity: 0.35;
  font-size: 10px;
}
.doc-table thead th.sorted .sort-arrow { opacity: 1; color: var(--brass-deep); }

.doc-table tbody tr {
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background 0.12s ease;
}
.doc-table tbody tr:last-child { border-bottom: none; }
.doc-table tbody tr:hover { background: var(--brass-tint); }

.doc-table td {
  padding: 13px 14px;
  vertical-align: top;
  color: var(--ink-soft);
}

.cell-university {
  color: var(--ink);
  font-weight: 600;
  width: 22%;
  overflow-wrap: break-word;
}
.cell-program {
  color: var(--ink-soft);
  width: 24%;
  font-size: 13.3px;
  overflow-wrap: break-word;
}
.cell-city { color: var(--ink-faint); font-size: 13px; width: 16%; overflow-wrap: break-word; white-space: normal; }

.doc-table th[data-sort="university"] { width: 22%; }
.doc-table th[data-sort="program"] { width: 24%; }
.doc-table th[data-sort="city"] { width: 16%; }
.doc-table th[data-sort="category"] { width: 10%; }
.doc-table th[data-sort="matchScore"] { width: 9%; }
.doc-table th[data-sort="deadlineWinter2027"] { width: 19%; }

.cell-score {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink);
}

.tier-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.tier-safe { background: var(--safe-tint); color: var(--safe); }
.tier-moderate { background: var(--moderate-tint); color: var(--moderate); }
.tier-ambitious { background: var(--ambitious-tint); color: var(--ambitious); }

.empty-row td {
  text-align: center;
  padding: 46px 20px;
  color: var(--ink-faint);
  font-size: 14px;
}

/* ============================================================
   Detail modal
   ============================================================ */
.modal-content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.modal-header {
  border-bottom: 1px solid var(--line);
  padding: 22px 26px;
  align-items: flex-start;
}

.modal-header .modal-eyebrow {
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.modal-title-custom {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.25;
}

.modal-body { padding: 24px 26px; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px 22px;
  margin-bottom: 24px;
}

.detail-field dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  font-weight: 600;
  margin-bottom: 4px;
}
.detail-field dd {
  font-size: 13.8px;
  color: var(--ink);
  margin: 0;
  line-height: 1.45;
}

.detail-note {
  background: var(--paper);
  border-left: 3px solid var(--brass);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.8px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.detail-note-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brass-deep);
  font-weight: 600;
  margin-bottom: 8px;
}

.unconfirmed { font-style: italic; color: var(--moderate); }

/* ============================================================
   Rankings (Top 20)
   ============================================================ */
.rank-list { border-top: 1px solid var(--line); }

.rank-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background 0.12s ease;
}
.rank-item:hover { background: var(--surface); }

.rank-num {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-faint);
  font-weight: 500;
}
.rank-item:nth-child(-n+3) .rank-num { color: var(--brass-deep); }

.rank-info .rank-uni { font-weight: 600; color: var(--ink); font-size: 15px; }
.rank-info .rank-prog { font-size: 13px; color: var(--ink-faint); margin-top: 1px; }

.rank-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rank-score {
  font-family: var(--font-data);
  font-weight: 600;
  color: var(--ink);
  font-size: 14px;
}

/* ============================================================
   Tiers
   ============================================================ */
.tier-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 900px) {
  .tier-columns { grid-template-columns: 1fr; }
}

.tier-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  border-radius: var(--radius-md);
  padding: 18px;
}
.tier-col.tier-col-safe { border-top-color: var(--safe); }
.tier-col.tier-col-moderate { border-top-color: var(--moderate); }
.tier-col.tier-col-ambitious { border-top-color: var(--ambitious); }

.tier-col-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.tier-col-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}
.tier-col-safe .tier-col-title { color: var(--safe); }
.tier-col-moderate .tier-col-title { color: var(--moderate); }
.tier-col-ambitious .tier-col-title { color: var(--ambitious); }

.tier-col-count { font-size: 12.5px; color: var(--ink-faint); }

.tier-col-desc {
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 14px;
  line-height: 1.5;
}

.tier-pick {
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  cursor: pointer;
}
.tier-pick:first-of-type { border-top: none; }
.tier-pick:hover .tier-pick-uni { color: var(--brass-deep); }

.tier-pick-uni { font-weight: 600; font-size: 14px; color: var(--ink); transition: color 0.12s; }
.tier-pick-prog { font-size: 12.5px; color: var(--ink-faint); margin-top: 1px; }

/* ============================================================
   Roadmap
   ============================================================ */
.roadmap {
  position: relative;
  padding-left: 26px;
}

.roadmap::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1.5px;
  background: var(--line);
}

.road-item {
  position: relative;
  padding-bottom: 30px;
}
.road-item:last-child { padding-bottom: 0; }

.road-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--brass);
}

.road-time {
  font-family: var(--font-data);
  font-size: 12.5px;
  color: var(--brass-deep);
  font-weight: 600;
  margin-bottom: 3px;
}

.road-focus {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.road-desc {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 74ch;
  line-height: 1.6;
}

/* ============================================================
   Footer / methodology
   ============================================================ */
.footer {
  padding: 44px 0 60px;
  border-top: 1px solid var(--line);
}

.footer-note {
  font-size: 13.3px;
  color: var(--ink-faint);
  max-width: 74ch;
  line-height: 1.65;
}

.footer-note + .footer-note { margin-top: 10px; }

.footer-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 22px;
}

/* ============================================================
   Utility
   ============================================================ */
.btn-doc {
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-doc:hover { background: #2A3548; color: var(--paper); }

.btn-outline-doc {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-outline-doc:hover { border-color: var(--ink); color: var(--ink); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }