:root {
  --bg: #f5f1e8;
  --bg-soft: #fbf8f2;
  --paper: #fffdf8;
  --ink: #1f2a2a;
  --muted: #586260;
  --line: #d9cfbe;
  --accent: #1f6a5a;
  --accent-2: #bb6b2d;
  --accent-3: #294d73;
  --shadow: 0 18px 40px rgba(31, 42, 42, 0.08);
  --radius: 18px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(187, 107, 45, 0.14), transparent 24rem),
    radial-gradient(circle at top left, rgba(31, 106, 90, 0.18), transparent 30rem),
    linear-gradient(180deg, #efe7d7 0%, var(--bg) 24%, #f7f4ee 100%);
  line-height: 1.55;
}

a {
  color: var(--accent);
}

.shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.hero {
  padding: 3.5rem 0 2rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.9rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(31, 106, 90, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 52rem;
  margin: 1.2rem 0 0;
  font-size: 1.08rem;
  color: var(--muted);
}

.top-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-top: 1.8rem;
}

.panel {
  background: rgba(255, 253, 248, 0.82);
  border: 1px solid rgba(217, 207, 190, 0.9);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.panel h2,
.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.panel p,
.panel li {
  color: var(--muted);
}

.panel ul {
  margin: 0;
  padding-left: 1.1rem;
}

.nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.nav-pills a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-pills a:hover {
  border-color: var(--accent);
}

.legend {
  display: grid;
  gap: 0.7rem;
}

.legend-item {
  padding: 0.8rem 0.95rem;
  border-left: 4px solid var(--accent);
  background: rgba(31, 106, 90, 0.06);
  border-radius: 12px;
}

.legend-item strong {
  display: block;
  margin-bottom: 0.15rem;
}

.theme-section {
  margin-top: 2.2rem;
}

.filter-panel {
  margin-top: 1.2rem;
}

.filter-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.filter-head p {
  margin: 0;
  color: var(--muted);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.filter-sections {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.filter-section {
  padding-top: 0.15rem;
  border-top: 1px solid rgba(217, 207, 190, 0.75);
}

.filter-section h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent-3);
}

.filter-toggle,
.filter-reset {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  font: inherit;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease, color 120ms ease;
}

.filter-toggle:hover,
.filter-reset:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.filter-toggle.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.section-header {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.section-header p {
  margin: 0;
  max-width: 52rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  display: grid;
  gap: 0.9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card[hidden] {
  display: none !important;
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: baseline;
}

.card h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.1;
}

.year {
  color: var(--accent-2);
  font-weight: 700;
  white-space: nowrap;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: #f1ede4;
  border: 1px solid var(--line);
  color: var(--accent-3);
  font-size: 0.84rem;
}

.refs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: -0.1rem;
}

.ref-chip {
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  background: rgba(31, 106, 90, 0.08);
  border: 1px dashed rgba(31, 106, 90, 0.28);
  color: var(--accent);
  font-size: 0.8rem;
}

.facts {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.1rem;
}

.fact {
  margin: 0;
  line-height: 1.42;
  color: var(--ink);
}

.fact strong {
  display: inline;
  margin-right: 0.35rem;
  color: var(--ink);
  font-weight: 700;
}

.stikord {
  margin: 0;
  margin-top: 0.15rem;
  color: var(--muted);
}

.stikord span {
  display: inline-block;
  margin: 0 0.35rem 0.35rem 0;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(41, 77, 115, 0.08);
  color: var(--accent-3);
  font-size: 0.85rem;
}

.card-actions {
  margin-top: 0.1rem;
}

.question-link {
  display: inline-block;
  padding: 0.62rem 0.95rem;
  border-radius: 999px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
}

.question-link:hover {
  background: #195749;
  border-color: #195749;
}

.footer-note {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255, 253, 248, 0.7);
}

.footer-note h3 {
  margin: 0 0 0.9rem;
  font-size: 1.1rem;
}

.material-grid {
  display: grid;
  gap: 0.8rem;
}

.material-item strong {
  display: inline-block;
  min-width: 3.2rem;
  color: var(--ink);
}

.material-item p {
  margin: 0.28rem 0 0;
  color: var(--muted);
}

.material-subhead {
  margin: 1rem 0 0.45rem;
  color: var(--accent-3);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

@media (max-width: 980px) {
  .top-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .filter-head {
    display: block;
  }

  .filter-reset {
    margin-top: 0.8rem;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 1rem), var(--max));
  }

  .hero {
    padding-top: 2rem;
  }

  .panel,
  .card {
    padding: 1rem;
  }

  .fact {
    line-height: 1.48;
  }
}