/* ── VARIABLES ── */
:root {
  --primary: #004c9f;
  --accent: #a92025;
  --light-bg: #f5f4f0;
  --text-dark: #1c1c1c;
  --text-muted: #5a5a5a;
  --border: #ddd6c8;
}

* { box-sizing: border-box; }

/* ── BASE ── */
body {
  font-family: 'Source Sans 3', sans-serif;
  color: var(--text-dark);
  background: #fff;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
}

/* ── NAVBAR ── */
.navbar {
  background: #fff;
  border-bottom: 3px solid var(--accent);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
}

.navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary) !important;
  line-height: 1.2;
}

.navbar-brand span { color: var(--accent); }

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark) !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px !important;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--accent) !important; }

.nav-link.active {
  color: var(--accent) !important;
  border-bottom: 2px solid var(--accent);
}

.navbar-toggler { border: none; }

   /* ── FOOTER ── */
   footer {
     background: #0d1f33;
     color: #8ba5bf;
     padding: 52px 0 28px;
     font-size: 0.9rem;
   }

   footer h6 {
     color: #fff;
     font-family: 'Playfair Display', serif;
     font-size: 1rem;
     margin-bottom: 14px;
   }

   footer a {
     color: #8ba5bf;
     text-decoration: none;
     transition: color 0.2s;
   }

   footer a:hover {
     color: #a92025;
   }

   footer ul {
     list-style: none;
     padding: 0;
     margin: 0;
   }

   footer ul li {
     margin-bottom: 7px;
   }

   .footer-bottom {
     border-top: 1px solid #1f3550;
     margin-top: 36px;
     padding-top: 20px;
     font-size: 0.8rem;
     color: #5a7a96;
   }


/* ── HERO ── */
.hero {
  background: url(../imgs/background.jpg) no-repeat bottom center fixed;
  background-size: cover;
  color: #fff;
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 30, 70, 0.82) 0%, rgba(0, 20, 50, 0.75) 100%);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #adc8e6;
  margin-bottom: 16px;
}

.hero h1 {
  font-size:clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 span { color: #f81721; }

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: #c8dff2;
  max-width: 560px;
  line-height: 1.65;
}

.hero-meta {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: #d8eaf8;
}

.hero-meta-item i {
  color: #fff;
  font-size: 1.1rem;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 20px 26px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.hero-badge .number {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 600;
  color: #fff;
  line-height: 1;
}

.hero-badge .label {
  font-size: 0.82rem;
  color: #adc8e6;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.text-accent { color: #f0a84a; }

.info-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #f0a84a;
}

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #0f2540 100%);
  color: #fff;
  padding: 52px 0 44px;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.page-hero p {
  color: #adc8e6;
  font-size: 1rem;
  max-width: 540px;
}

.breadcrumb-item a {
  color: #adc8e6;
  text-decoration: none;
}

.breadcrumb-item.active { color: var(--accent); }

.breadcrumb-item + .breadcrumb-item::before { color: #5a7a96; }

/* ── SECTIONS ── */
.section { padding: 72px 0; }
.section-alt { background: var(--light-bg); }

.section-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

h4.section-title { font-size: 1.5rem; }

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-top: 10px;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 640px;
  line-height: 1.7;
  margin-top: 16px;
}

#registration .registration-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}


/* ── BUTTONS ── */
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 30px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
  display: inline-block;
}

.btn-accent:hover {
  background: #8a191d;
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline-light-custom {
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  background: transparent;
  padding: 11px 28px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-outline-light-custom:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-outline-primary-custom {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
  padding: 10px 24px;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.btn-outline-primary-custom:hover {
  background: var(--primary);
  color: #fff;
}

/* ── DATES TABLE ── */
.dates-table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  font-size: 0.95rem;
}

.dates-table th {
  background: var(--primary);
  color: #fff;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 18px;
}

.dates-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.dates-table tr:last-child td { border-bottom: none; }
.dates-table tr:hover td { background: #fdf8f2; }

.badge-passed {
  background: #e5e5e5;
  color: #888;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-upcoming {
  background: #fff3e0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
}

.date-val {
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

/* ── CARDS ── */
.topic-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 22px;
  height: 100%;
  background: #fff;
  transition: box-shadow 0.22s, transform 0.22s;
}

.topic-card:hover,
.transport-card:hover {
  box-shadow: 0 8px 28px rgba(26, 58, 92, 0.12);
  transform: translateY(-3px);
}

.topic-card .icon {
  width: 44px;
  height: 44px;
  background: #e8f0f8;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.topic-card h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.topic-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── SPEAKERS ── */
.speaker-card {
  text-align: center;
  padding: 28px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  transition: box-shadow 0.2s;
}

.speaker-card:hover { box-shadow: 0 6px 22px rgba(26, 58, 92, 0.1); }

.speaker-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a3a5c, #004c9f, #2e6da4);
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  border: 3px solid var(--accent);
}

.speaker-card h5 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.speaker-card .affiliation {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}

.speaker-card .talk-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-style: italic;
  line-height: 1.5;
}

/* ── TIMELINE ── */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item h6 {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.timeline-item p {
  font-size: 0.87rem;
  color: var(--text-muted);
  margin: 0;
}

/* ── VENUE ── */
.venue-map {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--light-bg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.venue-map i {
  font-size: 2.8rem;
  color: var(--accent);
}

/* ── TRANSPORT ── */
.transport-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 24px;
  height: 100%;
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}

.transport-card .tc-icon {
  width: 50px;
  height: 50px;
  background: #e8f0f8;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.transport-card h5 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.transport-card p,
.transport-card li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.transport-card ul {
  padding-left: 18px;
  margin-top: 8px;
}

/* ── AIRPORT TABLE ── */
.airport-table { font-size: 0.9rem; }

.airport-table th {
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.airport-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.airport-table tr:last-child td { border-bottom: none; }
.airport-table tr:hover td { background: #fdf8f2; }

/* ── AMENITIES ── */
.amenity-box {
  background: var(--light-bg);
  border-radius: 10px;
  padding: 18px 14px;
  text-align: center;
  border: 1px solid var(--border);
}

.amenity-box i {
  font-size: 1.5rem;
  color: var(--accent);
}

.amenity-box div {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ── CITY FACTS ── */
.city-fact {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.city-fact-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: #fff3e0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.city-fact-text h6 {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 2px;
}

.city-fact-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ── SPONSORS ── */
.sponsor-logo {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 24px;
  background: #fff;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.sponsor-logo:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 10px rgba(200, 121, 42, 0.12);
}

/* ── CTA BAND ── */
.cta-band {
  background: var(--primary);
  color: #fff;
  padding: 52px 0;
}

.cta-band h2 {
  font-size: 1.7rem;
  margin-bottom: 10px;
}

.cta-band p {
  color: #adc8e6;
  font-size: 1rem;
  margin-bottom: 0;
}

/* ── SIDEBAR ── */
.sidebar { position: sticky; top: 90px; }

.sidebar-widget {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 22px;
  background: #fff;
}

.sidebar-widget-header {
  background: var(--primary);
  color: #fff;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.sidebar-widget-header i {
  font-size: 1rem;
  color: #f0a84a;
}

.sidebar-widget-header span {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sidebar-widget-body { padding: 16px 18px; }

/* ── DATE ITEMS ── */
.date-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.date-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.date-dot {
  width: 10px;
  height: 10px;
  min-width: 10px;
  border-radius: 50%;
  margin-top: 5px;
}

.date-dot.passed { background: #ccc; }

.date-dot.upcoming {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 121, 42, 0.18);
}

.date-dot.conference {
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.18);
}

.date-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
}

.date-val-side {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-top: 2px;
}

.badge-passed-sm,
.badge-soon-sm {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: 600;
}

.badge-passed-sm { background: #ebebeb; color: #999; }
.badge-soon-sm   { background: #fff3e0; color: var(--accent); }

/* ── NEWS ── */
.news-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-date {
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}

.news-text {
  font-size: 0.84rem;
  color: var(--text-dark);
  line-height: 1.5;
}

.news-text a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.news-badge-new {
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
  vertical-align: middle;
  margin-left: 5px;
}

/* ── LAYOUT ── */
.content-with-sidebar {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.main-content { flex: 1; min-width: 0; }

.sidebar-col { width: 300px; min-width: 300px; }

/* ── COMMITTEE ── */
.committee-list-section { margin-bottom: 40px; }

.committee-list-section .committee-list-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.committee-member {
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 3px solid transparent;
  transition: border-color 0.2s;
}

.committee-member .member-name {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dark);
  margin-bottom: 3px;
}

.committee-member .member-affiliation {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── PROGRAM COMMITTEE ── */
.pc-inline-list { list-style: none; padding: 0; margin: 0; }

.pc-inline-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
}

.pc-inline-list li .pc-inline-name {
  font-weight: 700;
  color: var(--text-dark);
}

/* ── MISC ── */
.bullet-list {
  list-style-type: disc !important;
  padding-left: 1em !important;
  margin-left: 1em;
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero { padding: 52px 0 44px; }
  .section { padding: 52px 0; }
  .map { --bs-aspect-ratio: 100%; }
}

@media (max-width: 991px) {
  .content-with-sidebar { flex-direction: column; }
  .sidebar-col { width: 100%; min-width: unset; }
  .sidebar { position: static; }
  .map { --bs-aspect-ratio: 100%; }
}