:root {
  --bg: #f6edc9;
  --bg-soft: #fbf6dd;
  --paper: rgba(255, 248, 220, 0.9);
  --card: rgba(255, 252, 241, 0.86);
  --line: rgba(88, 64, 10, 0.15);
  --text: #2d2204;
  --muted: #66542c;
  --accent: #f0c51a;
  --accent-deep: #d6a800;
  --accent-ink: #553d00;
  --shadow: 0 16px 40px rgba(111, 84, 12, 0.12);
  --radius: 24px;
}

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

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 219, 77, 0.34), transparent 32%),
    radial-gradient(circle at top right, rgba(211, 175, 23, 0.18), transparent 28%),
    linear-gradient(180deg, #f4d95d 0%, var(--bg) 22%, #f7f0cf 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.22;
  pointer-events: none;
}

a { color: inherit; }
.site-header, main, .site-footer { position: relative; z-index: 1; }
.site-header { padding: 22px clamp(18px, 4vw, 48px); }
.brand-shell, main, .site-footer { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.brand-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px 22px 20px;
  background: rgba(255, 249, 228, 0.72);
  border: 1px solid var(--line);
  border-radius: 32px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.brand { display: flex; flex-direction: column; gap: 4px; text-decoration: none; align-items: center; text-align: center; }
.brand-kicker, .eyebrow, .panel-label, .card-tag, .footer-title, .mini-title {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 800;
}

.brand-kicker, .eyebrow, .panel-label, .card-tag, .mini-title { color: var(--accent-ink); }
.brand-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 0.9;
  font-weight: 700;
}

.brand-meta {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(240, 197, 26, 0.16);
  border: 1px solid rgba(88, 64, 10, 0.1);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; width: 100%; }
.site-nav a {
  text-decoration: none;
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
}

.site-nav a.is-active, .site-nav a:hover, .site-nav a:focus-visible {
  background: rgba(240, 197, 26, 0.22);
  color: var(--text);
  outline: none;
}

.nav-toggle { display: none; }
main { padding: 18px 0 56px; }
.hero, .section, .page-hero, .page-block, .callout, .page-grid { margin-bottom: 24px; }
.hero, .page-hero, .section, .page-block, .callout {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  gap: 24px;
  padding: clamp(28px, 5vw, 56px);
}

.hero h1, .page-hero h1 {
  margin: 0 0 16px;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.1rem, 4.8vw, 3.8rem);
  line-height: 0.98;
  max-width: 12ch;
}

.lead {
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 62ch;
  color: var(--muted);
}

.hero-panel, .mini-card, .card, .notice, .source-box, .step, .timeline-item, .definition-card {
  background: var(--card);
  border: 1px solid rgba(88, 64, 10, 0.12);
  border-radius: 20px;
}

.hero-panel {
  padding: 24px;
  align-self: end;
  background:
    linear-gradient(180deg, rgba(255, 244, 201, 0.95), rgba(255, 250, 234, 0.88)),
    var(--card);
}
.key-points, .footer-links, .check-list, .source-list, .steps, .timeline, .chips {
  margin: 0;
  padding: 0;
  list-style: none;
}

.key-points li, .footer-links li, .check-list li, .source-list li, .timeline-item {
  position: relative;
  padding-left: 18px;
}

.key-points li + li, .footer-links li + li, .check-list li + li, .source-list li + li, .timeline-item + .timeline-item {
  margin-top: 12px;
}

.key-points li::before, .footer-links li::before, .check-list li::before, .source-list li::before, .timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-deep);
}

.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.button:hover, .button:focus-visible { transform: translateY(-1px); outline: none; }
.button-primary { background: linear-gradient(135deg, var(--accent) 0%, #f7d95d 100%); color: var(--text); }
.button-secondary { background: rgba(255, 255, 255, 0.55); border: 1px solid var(--line); }
.button-primary,
.button-secondary {
  box-shadow: 0 10px 24px rgba(88, 64, 10, 0.12);
}
.section, .page-block, .callout, .page-hero { padding: clamp(24px, 4vw, 40px); }

.section-heading h2, .page-block h2, .callout h2, .mini-card h3, .card h3, .definition-card h3 {
  margin: 8px 0 12px;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1;
}

.grid { display: grid; gap: 18px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .mini-card, .definition-card, .step, .source-box { padding: 22px; }

.card {
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card:hover, .card:focus-visible { transform: translateY(-4px); border-color: rgba(88, 64, 10, 0.26); outline: none; }
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent-deep), #f7d95d, rgba(247, 217, 93, 0.35));
}
.card p, .page-block p, .mini-card p, .definition-card p, .step p, .timeline-item p, .notice p, .official-panel p, .stats-panel p, .sidebar-nav p {
  color: var(--muted);
  line-height: 1.62;
  font-size: 0.96rem;
}

.section-heading h2::after,
.page-block h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-deep), rgba(214, 168, 0, 0.25));
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 24px;
  align-items: end;
}

.page-hero h1 { max-width: 11ch; }
.page-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.75fr); gap: 24px; }
.stack, .aside-column { display: grid; gap: 24px; }
.aside-column { align-self: start; }
.notice { padding: 20px; }
.institution-strip { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 24px; }
.official-panel, .sidebar-nav, .stats-panel { background: var(--card); border: 1px solid rgba(88, 64, 10, 0.12); border-radius: 20px; padding: 22px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.stat { padding: 18px; border-radius: 18px; background: rgba(240, 197, 26, 0.12); border: 1px solid rgba(88, 64, 10, 0.08); }
.stat strong { display: block; font-size: 1.8rem; font-family: "Cormorant Garamond", serif; }
.content-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 24px; align-items: start; }
.sidebar-nav { position: sticky; top: 18px; }
.sidebar-nav ul { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.sidebar-nav a { display: block; text-decoration: none; padding: 10px 12px; border-radius: 12px; color: var(--muted); font-weight: 700; }
.sidebar-nav a:hover, .sidebar-nav a:focus-visible, .sidebar-nav a.is-current { background: rgba(240, 197, 26, 0.18); color: var(--text); outline: none; }
.publication-note { border-left: 4px solid var(--accent-deep); padding-left: 16px; }
.home-columns { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); gap: 24px; }
.steps { display: grid; gap: 14px; }

.step-number {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(240, 197, 26, 0.22);
  font-weight: 800;
}

.timeline { display: grid; gap: 14px; }
.timeline-item { padding: 18px 18px 18px 26px; }
.timeline-item::before { left: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 10px 14px; border-radius: 999px; background: rgba(240, 197, 26, 0.18); border: 1px solid rgba(88, 64, 10, 0.1); font-weight: 700; }
.site-footer { padding: 0 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr 1.2fr;
  gap: 24px;
  padding: 24px;
  background: rgba(68, 51, 8, 0.92);
  color: #f8efcf;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.footer-title { color: #f4d95d; margin: 0 0 14px; }
.footer-links a { color: inherit; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { text-decoration: underline; outline: none; }

.source-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  background: #7f2f16;
  color: #fff4d6;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(20, 7, 2, 0.18);
}

.source-cta:hover,
.source-cta:focus-visible {
  background: #672310;
  color: #fff8e6;
  outline: none;
}

.page-source-link {
  display: flex;
  justify-content: center;
  margin: 8px 0 28px;
}

.form-panel {
  max-width: 760px;
  margin: 0 auto;
}

.status-message {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 0.95rem;
}

.status-ok {
  background: rgba(118, 170, 76, 0.16);
  border: 1px solid rgba(84, 121, 54, 0.2);
}

.status-error {
  background: rgba(154, 61, 40, 0.12);
  border: 1px solid rgba(154, 61, 40, 0.18);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-weight: 800;
  color: var(--text);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid rgba(88, 64, 10, 0.16);
  background: rgba(255, 255, 255, 0.75);
  font: inherit;
  color: var(--text);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(214, 168, 0, 0.28);
  border-color: rgba(214, 168, 0, 0.55);
}

.form-field-full {
  grid-column: 1 / -1;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.highlight-note {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(240, 197, 26, 0.12);
  border: 1px solid rgba(88, 64, 10, 0.08);
}

.highlight-note strong {
  color: var(--text);
}

@media (max-width: 960px) {
  .hero, .page-hero, .page-grid, .cards-3, .cards-2, .footer-grid, .institution-strip, .content-layout, .home-columns, .stats-grid { grid-template-columns: 1fr; }
  .brand-shell { border-radius: 28px; }
  .site-nav { width: 100%; }
  .sidebar-nav { position: static; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header { padding-inline: 12px; }
  .brand-shell, main, .site-footer { width: min(100% - 24px, 1180px); }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 800;
    background: rgba(240, 197, 26, 0.24);
    color: var(--text);
  }

  .site-nav { display: none; flex-direction: column; gap: 8px; }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; background: rgba(255, 255, 255, 0.48); }
}