/* ============================================================
   WebSciX 2026 — Academic Conference Design System
   Aesthetic: Scholarly · Refined · Subtle depth
   Palette: Deep navy / warm white / gold accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=DM+Sans:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

/* ---- Variables ---- */
:root {
  --navy:       #0e1e35;
  --navy-mid:   #162844;
  --navy-light: #1e3a5f;
  --gold:       #c8a84b;
  --gold-light: #e2c97e;
  --cream:      #faf8f4;
  --warm-white: #f5f2ec;
  --text:       #1a1a2e;
  --text-muted: #5a5a72;
  --border:     rgba(200,168,75,0.25);
  --sidebar-w:  230px;
  --radius:     6px;
  --shadow:     0 4px 24px rgba(14,30,53,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--navy);
  color: var(--text);
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.75;
}

/* ---- Subtle background texture ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(200,168,75,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(30,58,95,0.4) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.page-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--navy-mid);
  border-right: 1px solid var(--border);
  padding: 0;
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  padding: 28px 22px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand .conf-name {
  font-family: 'EB Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.sidebar-brand .conf-year {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  margin-top: 4px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sidebar nav {
  padding: 16px 0;
  flex: 1;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  padding: 9px 22px;
  transition: all 0.2s;
  border-left: 2px solid transparent;
  letter-spacing: 0.02em;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  color: #fff;
  background: rgba(200,168,75,0.08);
  border-left-color: var(--gold);
}

.sidebar-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  line-height: 1.5;
}

/* ---- Right panel ---- */
.rightbar {
  width: 220px;
  min-height: 100vh;
  background: var(--navy-mid);
  border-left: 1px solid var(--border);
  padding: 28px 18px;
  position: fixed;
  top: 0; right: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rightbar h3 {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.rightbar p, .rightbar li {
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.rightbar a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  display: block;
  padding: 4px 0;
  font-size: 12.5px;
  transition: color 0.2s;
}
.rightbar a:hover { color: var(--gold-light); }

.rightbar ul { list-style: none; }

/* ---- Main content ---- */
.content-wrap {
  margin-left: var(--sidebar-w);
  margin-right: 220px;
  min-height: 100vh;
  background: var(--cream);
  position: relative;
  z-index: 2;
}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* — Hero Banner — */
.site-hero {
  background: var(--navy);
  padding: 52px 60px 44px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.site-hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -80px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(200,168,75,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: 900px;
}

.hero-logos {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.hero-logo {
  height: 68px;
  object-fit: contain;
  filter: brightness(1.1);
}

.hero-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.hero-text { flex: 1; }

.hero-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.hero-title {
  font-family: 'EB Garamond', serif;
  font-size: 40px;
  font-weight: 600;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 10px;
}

.hero-theme {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  font-style: italic;
  font-family: 'EB Garamond', serif;
  line-height: 1.5;
  margin-bottom: 16px;
}

.hero-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}

.hero-meta-item .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* — Section wrapper — */
.page-section {
  padding: 44px 60px;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.page-section:last-child { border-bottom: none; }

/* — Section heading — */
.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  font-family: 'EB Garamond', serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-head h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  opacity: 0.5;
  max-width: 180px;
  margin-left: 8px;
}

.section-head .lead {
  font-size: 14.5px;
  color: var(--text-muted);
  font-style: italic;
  font-family: 'EB Garamond', serif;
}

/* — Body prose — */
.prose p {
  font-size: 15px;
  color: #333;
  line-height: 1.8;
  margin-bottom: 16px;
}

.prose h3 {
  font-family: 'EB Garamond', serif;
  font-size: 19px;
  color: var(--navy);
  font-weight: 500;
  margin: 28px 0 10px;
}

.prose ul, .prose ol {
  padding-left: 22px;
  margin-bottom: 16px;
}

.prose li {
  font-size: 14.5px;
  color: #444;
  line-height: 1.7;
  margin-bottom: 4px;
}

.prose a { color: var(--navy-light); }

/* — Gold rule — */
.gold-rule {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 36px 0;
  opacity: 0.5;
}

/* ============================================================
   IMPORTANT DATES CARD
   ============================================================ */

.dates-card {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.dates-card-header {
  background: var(--navy-mid);
  padding: 14px 22px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--border);
}

.dates-table {
  width: 100%;
  border-collapse: collapse;
}

.dates-table td {
  padding: 13px 22px;
  font-size: 13px;
  border-bottom: 1px solid rgba(200,168,75,0.1);
  color: rgba(255,255,255,0.75);
}

.dates-table tr:last-child td { border-bottom: none; }

.dates-table .milestone { font-weight: 400; }

.dates-table .date-val {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--gold-light);
  text-align: right;
  white-space: nowrap;
}

.dates-table tr.highlight-row td {
  background: rgba(200,168,75,0.06);
  color: #fff;
}

/* ============================================================
   TOPIC CARDS
   ============================================================ */

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.topic-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 20px 22px;
  border-top: 3px solid var(--gold);
  transition: box-shadow 0.2s, transform 0.2s;
}

.topic-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.topic-card h4 {
  font-family: 'EB Garamond', serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 10px;
}

.topic-card ul {
  list-style: none;
  padding: 0;
}

.topic-card li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 3px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  line-height: 1.5;
}
.topic-card li::before {
  content: '–  ';
  color: var(--gold);
}

/* ============================================================
   COMMITTEE GRID
   ============================================================ */

.committee-section h3 {
  font-family: 'EB Garamond', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--navy);
  margin: 32px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(200,168,75,0.3);
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 22px;
  margin-bottom: 20px;
}

.member-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: box-shadow 0.2s;
}

.member-card:hover { box-shadow: var(--shadow); }

.member-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(200,168,75,0.4);
  margin-bottom: 12px;
}

.member-card a { text-decoration: none; }

.member-card h4 {
  font-family: 'EB Garamond', serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 4px;
}

.member-card .role {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}

.member-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   WST HISTORY BLOCK
   ============================================================ */

.wst-block {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 36px 40px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}

.wst-block .wst-label {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.wst-block h2 {
  font-family: 'EB Garamond', serif;
  font-size: 28px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 500;
}

.wst-block p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 14px;
}

.wst-block a {
  color: var(--gold-light);
  text-decoration: none;
}

.wst-logo {
  width: 120px;
  object-fit: contain;
  margin-bottom: 16px;
  filter: brightness(0) invert(1) opacity(0.7);
}

/* Timeline for history */
.history-timeline {
  position: relative;
  padding-left: 24px;
  margin: 24px 0;
}

.history-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

.timeline-entry {
  position: relative;
  margin-bottom: 22px;
  padding-left: 16px;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: -20px; top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.timeline-entry .year {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--gold);
  margin-bottom: 4px;
}

.timeline-entry p {
  font-size: 14px;
  color: #444;
  line-height: 1.6;
}

/* ============================================================
   SUBMISSION BOX
   ============================================================ */

.submission-box {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.submission-box::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.submission-box h3 {
  font-family: 'EB Garamond', serif;
  font-size: 22px;
  color: #fff;
  margin-bottom: 10px;
}

.submission-box p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  margin-bottom: 24px;
}

.submission-box ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.submission-box li {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
}

.submit-btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  padding: 13px 34px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.submit-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

/* ============================================================
   LOCATION & VENUE
   ============================================================ */

.venue-hero-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 28px;
}

.venue-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 22px;
  border-left: 4px solid var(--gold);
}

.venue-card h4 {
  font-family: 'EB Garamond', serif;
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 8px;
}

.venue-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.transport-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
}

.transport-table th {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  font-family: 'Space Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 18px;
  text-align: left;
}

.transport-table td {
  padding: 13px 18px;
  font-size: 13.5px;
  color: #444;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  vertical-align: top;
  line-height: 1.6;
}

.transport-table tr:last-child td { border-bottom: none; }
.transport-table tr:nth-child(even) td { background: rgba(0,0,0,0.015); }

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 24px;
}

/* ============================================================
   PREVIOUS PROCEEDINGS / WORKSHOP
   ============================================================ */

.proceedings-list {
  list-style: none;
  padding: 0;
}

.proceedings-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 14px;
}

.proceedings-list li:last-child { border-bottom: none; }

.proceedings-list .proc-year {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--gold);
  min-width: 44px;
}

.proceedings-list a {
  color: var(--navy-light);
  text-decoration: none;
}
.proceedings-list a:hover { text-decoration: underline; }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */

.page-header {
  background: var(--navy);
  padding: 36px 60px 30px;
  border-bottom: 1px solid var(--border);
}

.page-header .breadcrumb {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 10px;
}

.page-header .breadcrumb a {
  color: rgba(255,255,255,0.35);
  text-decoration: none;
}

.page-header .breadcrumb a:hover { color: var(--gold-light); }

.page-header h1 {
  font-family: 'EB Garamond', serif;
  font-size: 34px;
  font-weight: 500;
  color: #fff;
  line-height: 1.2;
}

.page-header .subtitle {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  font-family: 'EB Garamond', serif;
  font-style: italic;
  margin-top: 6px;
}

/* ============================================================
   WORKSHOP PAGE
   ============================================================ */

.workshop-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-bottom: 20px;
  border-top: 3px solid var(--navy);
  transition: box-shadow 0.2s;
}

.workshop-card:hover { box-shadow: var(--shadow); }

.workshop-card .ws-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.workshop-card h3 {
  font-family: 'EB Garamond', serif;
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 500;
}

.workshop-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
  :root { --sidebar-w: 200px; }
  .rightbar { width: 190px; }
  .content-wrap { margin-right: 190px; }
}

@media (max-width: 860px) {
  .sidebar, .rightbar { display: none; }
  .content-wrap { margin: 0; }
  .site-hero, .page-section, .page-header { padding-left: 24px; padding-right: 24px; }
  .hero-inner { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   UTILITY
   ============================================================ */

.text-gold  { color: var(--gold); }
.text-navy  { color: var(--navy); }
.text-muted { color: var(--text-muted); }
.font-mono  { font-family: 'Space Mono', monospace; }
.font-serif { font-family: 'EB Garamond', serif; }

.tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-color, rgba(0,0,0,0.15));
  color: var(--tag-color, var(--text-muted));
}
.page-header {
  position: relative; /* add this if not present */
}