/* ========================================================
   GAPDS — institutional design system
   Design language adapted from Urban Institute's IA:
   deep blue, condensed bold sans headlines, faceted
   tag/filter browsing as the core interaction pattern.
   ======================================================== */

:root {
  --navy: #0d3a66;
  --navy-deep: #082444;
  --navy-mid: #1e5183;
  --teal: #2f8f6f;
  --teal-deep: #256e57;
  --gold: #c98a2e;
  --pomegranate: #3a6fb0;
  --pomegranate-deep: #2c5a94;
  --paper: #ffffff;
  --offwhite: #f4f6f7;
  --sand: #f4ede1;
  --ink: #16212f;
  --muted: #58636d;
  --line: #dde2e6;

  --font-display: "Fraunces", Georgia, serif;
  --font-head: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  color: var(--navy);
}

p { margin: 0 0 1.1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- Utility bar ---------- */
.utility-bar { background: var(--navy-deep); color: #cfd8e2; font-size: 0.82rem; }
.utility-bar .wrap { display: flex; justify-content: flex-end; gap: 22px; padding-top: 8px; padding-bottom: 8px; }
.utility-bar a { text-decoration: none; color: #cfd8e2; }
.utility-bar a:hover { color: #fff; }
.utility-bar .donate-link { color: var(--gold); font-weight: 700; }

/* ---------- Header / Nav ---------- */
header.site { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 60; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; max-width: var(--max); margin: 0 auto; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 40px; height: auto; flex-shrink: 0; }
.brand-text { font-family: var(--font-head); line-height: 1.1; }
.brand-text strong { display: block; font-size: 1.05rem; letter-spacing: 0.01em; color: var(--navy); font-weight: 800; }
.brand-text span { display: block; font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 2px; }
nav.links { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
nav.links a { text-decoration: none; font-size: 0.92rem; font-weight: 600; padding: 10px 14px; border-radius: 3px; color: var(--navy); transition: background 0.15s ease, color 0.15s ease; }
nav.links a:hover, nav.links a:focus-visible { background: var(--offwhite); }
nav.links a.current { color: var(--teal-deep); box-shadow: inset 0 -3px 0 var(--teal); }
nav.links a.cta { background: var(--pomegranate); color: #fff; font-weight: 700; }
nav.links a.cta:hover { background: var(--pomegranate-deep); }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--navy); border-radius: 4px; padding: 8px 10px; font-size: 1rem; cursor: pointer; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  nav.links { display: none; flex-direction: column; align-items: stretch; width: 100%; padding-top: 10px; }
  nav.links.open { display: flex; }
  .nav { flex-wrap: wrap; }
  .utility-bar .wrap { justify-content: center; flex-wrap: wrap; }
}

/* ---------- Hero ---------- */
.hero { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(13,122,130,0.28), transparent 55%),
    radial-gradient(circle at 92% 8%, rgba(185,141,62,0.22), transparent 42%);
  pointer-events: none;
}
.hero-inner { position: relative; padding: 72px 28px 64px; max-width: var(--max); margin: 0 auto; }
.eyebrow { font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 16px; display: block; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.1rem); max-width: 20ch; color: #fff; }
.hero .lede { font-size: 1.12rem; max-width: 60ch; color: #c9d5e1; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.trending { background: var(--navy-mid); border-top: 1px solid rgba(255,255,255,0.12); }
.trending .wrap { display: flex; align-items: center; gap: 18px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; font-size: 0.88rem; }
.trending .label { color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; flex-shrink: 0; }
.trending a { color: #dce6f0; text-decoration: none; border-bottom: 1px dotted rgba(220,230,240,0.4); }
.trending a:hover { color: #fff; border-color: #fff; }
.trending .sep { color: rgba(255,255,255,0.3); }

/* ---------- Buttons ---------- */
.btn { display: inline-block; padding: 12px 24px; border-radius: 3px; text-decoration: none; font-weight: 700; font-size: 0.92rem; border: 1.5px solid transparent; transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--pomegranate); color: #fff; }
.btn-primary:hover { background: var(--pomegranate-deep); }
.btn-teal { background: var(--teal); color: #fff; }
.btn-teal:hover { background: var(--teal-deep); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-outline-navy { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-outline-navy:hover { border-color: var(--navy); }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
section.tight { padding: 44px 0; }
.section-head { max-width: 68ch; margin-bottom: 36px; }
.section-head .eyebrow { color: var(--pomegranate); }
.section-head h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
.section-alt { background: var(--offwhite); }

/* ---------- Pillar band (home) ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr; } }
.pillar { padding: 32px 28px; border-right: 1px solid var(--line); text-decoration: none; color: var(--ink); background: #fff; transition: background 0.15s ease; display: flex; flex-direction: column; }
.pillar:last-child { border-right: none; }
.pillar:hover { background: var(--offwhite); }
.pillar .tag { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; padding: 4px 10px; border-radius: 20px; display: inline-block; margin-bottom: 14px; width: fit-content; }
.pillar.p-coord .tag { background: rgba(13,122,130,0.12); color: var(--teal-deep); }
.pillar.p-advoc .tag { background: rgba(168,65,47,0.12); color: var(--pomegranate-deep); }
.pillar.p-research .tag { background: rgba(185,141,62,0.16); color: #8a6a2f; }
.pillar.p-peace .tag { background: rgba(58,111,176,0.14); color: var(--pomegranate-deep); }
.pillar.p-dev .tag { background: rgba(201,138,46,0.16); color: #8a6a2f; }
.pillar.p-sustain .tag { background: rgba(47,143,111,0.14); color: var(--teal-deep); }
.pillar h3 { font-size: 1.25rem; margin-bottom: 10px; }
.pillar p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.pillar .go { font-weight: 700; font-size: 0.88rem; color: var(--navy); margin-top: 12px; }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 26px 24px; position: relative; }
.card h3 { font-size: 1.1rem; margin-top: 2px; }
.card p:last-child { margin-bottom: 0; }

/* ---------- Tag chips (signature filter element) ---------- */
.chip { display: inline-block; font-size: 0.78rem; font-weight: 700; padding: 5px 12px; border-radius: 20px; border: 1px solid var(--line); background: #fff; color: var(--muted); text-decoration: none; margin: 0 6px 8px 0; cursor: pointer; transition: all 0.12s ease; }
.chip:hover { border-color: var(--teal); color: var(--teal-deep); }
.chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip-row { margin-bottom: 4px; }

/* ---------- Faceted layout (Research Hub, Portal) ---------- */
.faceted { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .faceted { grid-template-columns: 1fr; } }
.facets { position: sticky; top: 92px; background: var(--offwhite); border: 1px solid var(--line); border-radius: 4px; padding: 22px; }
.facet-group { margin-bottom: 22px; }
.facet-group:last-child { margin-bottom: 0; }
.facet-group h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--navy); margin-bottom: 10px; font-family: var(--font-head); }
.facet-option { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; padding: 5px 0; cursor: pointer; color: var(--ink); }
.facet-option input { accent-color: var(--teal); width: 15px; height: 15px; }
.search-box { display: flex; gap: 0; margin-bottom: 22px; border: 1.5px solid var(--line); border-radius: 4px; overflow: hidden; background: #fff; }
.search-box input { border: none; padding: 12px 14px; font-size: 0.95rem; flex: 1; font-family: var(--font-body); }
.search-box input:focus { outline: none; }
.search-box button { border: none; background: var(--navy); color: #fff; padding: 0 18px; font-weight: 700; cursor: pointer; }
.result-count { font-size: 0.88rem; color: var(--muted); margin-bottom: 18px; }

.result-list { display: grid; gap: 18px; }
.result-item { border: 1px solid var(--line); border-radius: 4px; padding: 22px 24px; background: #fff; transition: box-shadow 0.15s ease; }
.result-item:hover { box-shadow: 0 2px 10px rgba(12,44,76,0.08); }
.result-item .kicker { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--teal-deep); margin-bottom: 6px; }
.result-item h3 { font-size: 1.12rem; margin-bottom: 6px; }
.result-item .meta { font-size: 0.84rem; color: var(--muted); margin-bottom: 10px; }
.result-item .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.result-item .tags span { font-size: 0.74rem; background: var(--offwhite); color: var(--muted); padding: 3px 9px; border-radius: 3px; border: 1px solid var(--line); }
.hidden { display: none !important; }

.expert-card { display: flex; gap: 16px; align-items: flex-start; }
.expert-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(155deg, var(--teal), var(--navy)); flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-family: var(--font-head); font-size: 1.1rem; }

/* ---------- Data viz block ---------- */
.dataviz-card { border: 1px solid var(--line); border-radius: 4px; background: #fff; padding: 26px 28px 20px; }
.dataviz-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.dataviz-card .sub { color: var(--muted); font-size: 0.88rem; margin-bottom: 20px; }
.bar-row { display: grid; grid-template-columns: 160px 1fr 48px; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 0.88rem; }
.bar-track { background: var(--offwhite); border-radius: 3px; height: 20px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 3px 0 0 3px; background: var(--teal); }
.bar-row .val { text-align: right; color: var(--muted); font-weight: 700; font-size: 0.85rem; }
.legend-note { font-size: 0.78rem; color: var(--muted); margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }

/* ---------- Policy debate framing ---------- */
.debate-block { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin-bottom: 22px; }
.debate-head { background: var(--navy); color: #fff; padding: 20px 24px; }
.debate-head .kicker { color: var(--gold); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.debate-head h3 { color: #fff; margin-bottom: 0; font-size: 1.2rem; }
.debate-body { padding: 22px 24px; background: #fff; }
.debate-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 16px; }
@media (max-width: 760px) { .debate-cols { grid-template-columns: 1fr; } }
.debate-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 8px; }
.debate-col.finding { border-left: 3px solid var(--teal); padding-left: 14px; }
.debate-col.ask { border-left: 3px solid var(--pomegranate); padding-left: 14px; }

/* ---------- Pull quote ---------- */
blockquote { font-family: var(--font-display); font-size: 1.25rem; font-style: italic; color: var(--navy); border-left: 3px solid var(--gold); padding-left: 22px; margin: 0; font-weight: 500; }
.band { background: var(--navy-deep); color: #fff; }
.band blockquote { color: #fff; border-left-color: var(--gold); }
.band cite { display: block; margin-top: 14px; font-style: normal; font-size: 0.88rem; color: var(--gold); }

/* ---------- Forms ---------- */
form.stack { display: grid; gap: 16px; max-width: 560px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.86rem; font-weight: 700; color: var(--navy); }
.field input, .field textarea, .field select { font-family: var(--font-body); font-size: 0.96rem; padding: 11px 13px; border: 1.5px solid var(--line); border-radius: 3px; background: #fff; color: var(--ink); }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--teal); outline-offset: 1px; border-color: var(--teal); }
.field textarea { resize: vertical; min-height: 110px; }
.field .hint { font-size: 0.8rem; color: var(--muted); }

.amounts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; max-width: 480px; margin-bottom: 6px; }
@media (max-width: 560px) { .amounts { grid-template-columns: repeat(2, 1fr); } }
.amounts label { border: 1.5px solid var(--line); border-radius: 3px; padding: 13px 8px; text-align: center; font-weight: 800; color: var(--navy); background: #fff; cursor: pointer; display: block; }
.amounts input { position: absolute; opacity: 0; pointer-events: none; }
.amounts label:has(input:checked) { border-color: var(--pomegranate); background: var(--sand); color: var(--pomegranate-deep); }

/* ---------- Footer ---------- */
footer.site { background: var(--navy-deep); color: #c9d5e1; padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
footer.site h4 { color: var(--gold); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 800; margin-bottom: 12px; }
footer.site a { text-decoration: none; color: #c9d5e1; opacity: 0.92; }
footer.site a:hover { color: #fff; opacity: 1; }
footer.site ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 18px; font-size: 0.82rem; color: rgba(201,213,226,0.65); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.narrow { max-width: 68ch; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }