/* ============================================================
   RDS — Research & Debate Society, ICUP
   Shared Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0d1b2a;
  --gold: #c5973a;
  --gold-light: #e8c06a;
  --cream: #f5f0e8;
  --cream-dim: #d9d0be;
  --text: #f0ece3;
  --text-dim: #9a9285;
  --border: rgba(197,151,58,0.25);
}

body {
  background: var(--navy);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

/* ── Navigation ──────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 56px;
  border-bottom: 1px solid var(--border);
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}









.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--gold-light); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-dim);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 48px 64px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -80px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(197,151,58,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cream);
  max-width: 700px;
  margin-bottom: 12px;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold-light);
}

.hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: var(--gold);
  color: var(--navy);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--gold-light); }

.btn-outline {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: var(--cream-dim);
  font-size: 14px;
  border: 1px solid rgba(197,151,58,0.4);
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover { border-color: var(--gold); color: var(--gold-light); }

/* ── Stats ────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}

.stat {
  padding: 32px 40px;
  border-right: 1px solid var(--border);
}

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

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 40px;
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── Section Header ──────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 48px 48px 24px;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
}

.section-link {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.section-link:hover { color: var(--gold-light); }

/* ── Featured ─────────────────────────────────────────────── */
.featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.featured-main {
  padding: 48px;
  border-right: 1px solid var(--border);
  display: block;
  transition: background 0.2s;
}

.featured-main:hover { background: rgba(197,151,58,0.03); }

.featured-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 4px 10px;
  margin-bottom: 20px;
}

.featured-title {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--cream);
  margin-bottom: 16px;
  display: block;
  transition: color 0.2s;
}

.featured-main:hover .featured-title { color: var(--gold-light); }

.featured-excerpt {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 28px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
}

.article-meta .author { color: var(--cream-dim); font-weight: 500; }

.dot {
  width: 3px; height: 3px;
  background: var(--text-dim);
  border-radius: 50%;
  display: inline-block;
}

/* ── Side Articles ────────────────────────────────────────── */
.featured-side { display: flex; flex-direction: column; }

.side-article {
  padding: 32px 40px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  display: block;
}

.side-article:last-child { border-bottom: none; }
.side-article:hover { background: rgba(197,151,58,0.04); }

.side-article-num {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  font-weight: 700;
  color: rgba(197,151,58,0.15);
  line-height: 1;
  margin-bottom: 12px;
}

.side-article-tag {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.side-article-title {
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.4;
  margin-bottom: 10px;
}

.side-article:hover .side-article-title { color: var(--gold-light); }
.side-article-author { font-size: 12px; color: var(--text-dim); }

/* ── Mission ──────────────────────────────────────────────── */
.mission {
  padding: 64px 48px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}

.mission-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 6px;
}

.mission-quote {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--cream);
  line-height: 1.6;
  border-left: 2px solid var(--gold);
  padding-left: 32px;
}

.mission-body {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.9;
  margin-top: 20px;
  padding-left: 32px;
}

/* ── Categories ───────────────────────────────────────────── */
.categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}

.category {
  padding: 36px 40px;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
  display: block;
}

.category:last-child { border-right: none; }
.category:hover { background: rgba(197,151,58,0.05); }

.category-icon { font-size: 22px; margin-bottom: 16px; color: var(--gold); }
.category-name { font-family: 'Playfair Display', serif; font-size: 16px; color: var(--cream); margin-bottom: 6px; }
.category-count { font-size: 12px; color: var(--text-dim); }

/* ── Footer Band ──────────────────────────────────────────── */
.footer-band {
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-name {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  color: var(--cream-dim);
}

.footer-detail {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-top: 4px;
}

.footer-contact {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.footer-contact:hover { color: var(--gold-light); }

/* ── Listing Page ─────────────────────────────────────────── */
.page-hero {
  padding: 64px 48px 48px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40px; right: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(197,151,58,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--gold);
}

.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--cream);
  max-width: 600px;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.8;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--border);
}

.article-card {
  padding: 40px 48px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  display: block;
}

.article-card:nth-child(2n) { border-right: none; }
.article-card:hover { background: rgba(197,151,58,0.03); }

.card-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 3px 10px;
  margin-bottom: 16px;
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--cream);
  margin-bottom: 12px;
  display: block;
  transition: color 0.2s;
}

.article-card:hover .card-title { color: var(--gold-light); }

.card-excerpt {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-dim);
}

.card-meta .author { color: var(--cream-dim); font-weight: 500; }

.card-arrow {
  display: inline-block;
  font-size: 13px;
  color: var(--gold);
  margin-top: 16px;
  transition: transform 0.2s;
}

.article-card:hover .card-arrow { transform: translateX(4px); }

/* ── Article Page ─────────────────────────────────────────── */
.article-header {
  padding: 64px 48px 48px;
  border-bottom: 1px solid var(--border);
  max-width: 860px;
}

.article-header .featured-tag { margin-bottom: 24px; }

.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cream);
  margin-bottom: 24px;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 16px;
  font-size: 14px;
}

.article-byline .author-name {
  color: var(--cream-dim);
  font-weight: 500;
}

.article-byline .author-affil {
  color: var(--text-dim);
  font-size: 13px;
}

.article-pub-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
}

.article-body {
  padding: 56px 48px;
  max-width: 860px;
}

.article-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--cream);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.article-body h3 {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--cream-dim);
  margin: 32px 0 12px;
}

.article-body p {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.9;
  margin-bottom: 20px;
}

.article-body p:first-of-type {
  font-size: 17px;
  color: rgba(240,236,227,0.85);
}

.article-body em { font-style: italic; }

.article-body strong {
  color: var(--cream-dim);
  font-weight: 500;
}

.article-body ul, .article-body ol {
  margin: 16px 0 20px 24px;
}

.article-body li {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-body blockquote {
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 24px;
  margin: 28px 0;
}

.article-body blockquote p {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 18px;
  color: var(--cream-dim);
}

.article-body sup {
  font-size: 11px;
  color: var(--gold);
  vertical-align: super;
}

.article-body a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.article-body a:hover { color: var(--gold-light); }

.article-footnote {
  font-size: 13px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 8px;
}

.references-section {
  padding: 40px 48px 56px;
  border-top: 1px solid var(--border);
  max-width: 860px;
}

.references-section h2 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.references-section ol {
  margin-left: 20px;
}

.references-section li {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 12px;
}

.references-section a {
  color: var(--gold);
  word-break: break-all;
}

.citation-box {
  margin: 40px 48px;
  padding: 24px 32px;
  border: 1px solid var(--border);
  background: rgba(197,151,58,0.03);
  max-width: 760px;
}

.citation-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.citation-text {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
  font-style: italic;
}

.external-link-box {
  margin: 0 48px 40px;
  padding: 20px 28px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: background 0.2s;
}

.external-link-box:hover { background: rgba(197,151,58,0.05); }
.external-link-box span { font-size: 13px; color: var(--text-dim); }
.external-link-box .ext-arrow { font-size: 13px; color: var(--gold); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 32px 48px 0;
  transition: color 0.2s;
}

.back-link:hover { color: var(--gold-light); }

/* ── Team Page ────────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--border);
}

.team-card {
  padding: 48px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.team-card:nth-child(2n) { border-right: none; }

.team-role {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.team-name {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 4px;
}

.team-affil {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.team-bio {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
}

.team-links {
  display: flex;
  gap: 16px;
}

.team-link {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.team-link:hover { color: var(--gold-light); }

/* ── Contact / About ──────────────────────────────────────── */
.content-block {
  padding: 64px 48px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}

.content-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 6px;
}

.content-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 20px;
  line-height: 1.3;
}

.content-body p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.9;
  margin-bottom: 16px;
}

.contact-email {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 28px;
  background: var(--gold);
  color: var(--navy);
  font-weight: 500;
  font-size: 14px;
  transition: background 0.2s;
}

.contact-email:hover { background: var(--gold-light); }

.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.keyword {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 4px 12px;
}

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  padding: 80px 48px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.empty-state p {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 400px;
  margin: 0 auto;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .hero { padding: 48px 24px 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px; }
  .featured { grid-template-columns: 1fr; }
  .featured-main { padding: 32px 24px; border-right: none; border-bottom: 1px solid var(--border); }
  .side-article { padding: 24px; }
  .mission { grid-template-columns: 1fr; gap: 24px; padding: 48px 24px; }
  .mission-quote, .mission-body { padding-left: 20px; }
  .categories { grid-template-columns: repeat(2, 1fr); }
  .category { padding: 24px; }
  .section-header { padding: 32px 24px 16px; }
  .footer-band { flex-direction: column; gap: 16px; text-align: center; padding: 32px 24px; }
  .page-hero { padding: 48px 24px 36px; }
  .articles-grid { grid-template-columns: 1fr; }
  .article-card { border-right: none; padding: 32px 24px; }
  .article-header { padding: 48px 24px 36px; }
  .article-body { padding: 40px 24px; }
  .references-section { padding: 32px 24px 48px; }
  .citation-box, .external-link-box { margin-left: 24px; margin-right: 24px; }
  .back-link { padding: 24px 24px 0; }
  .team-grid { grid-template-columns: 1fr; }
  .team-card { border-right: none; padding: 36px 24px; }
  .content-block { grid-template-columns: 1fr; gap: 24px; padding: 48px 24px; }
}