/* ASPAI 2026 – Refined conference design */
:root {
  --color-primary: #0f172a;
  --color-primary-soft: #1e293b;
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-accent-soft: #ccfbf1;
  --color-accent-muted: #99f6e4;
  --color-bg: #f8fafc;
  --color-bg-warm: #fefce8;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-soft: #64748b;
  --color-border: #e2e8f0;
  --color-border-soft: #f1f5f9;
  --color-success: #059669;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --max-width: 1100px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-soft: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

[id] {
  scroll-margin-top: 72px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Top Bar */
.top-bar {
  background: var(--color-primary);
  color: #94a3b8;
  font-size: 0.8rem;
  padding: var(--space-sm) 0;
}

.top-bar-inner {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

.top-bar a {
  color: #94a3b8;
}

.top-bar a:hover {
  color: #fff;
  text-decoration: none;
}

/* Search Box */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: auto;
}

.search-box input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 6px 36px 6px 14px;
  font-size: 0.8rem;
  color: #fff;
  width: 180px;
  transition: all var(--transition);
}

.search-box input::placeholder {
  color: #94a3b8;
}

.search-box input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent);
  width: 220px;
}

.search-box button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}

.search-box button:hover {
  color: #fff;
}

/* Search Results Dropdown */
.search-results {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  width: 320px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: none;
  z-index: 1000;
}

.search-results.active {
  display: block;
}

.search-results-header {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.search-result-item {
  display: block;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border-soft);
  text-decoration: none;
  transition: background var(--transition);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--color-accent-soft);
  text-decoration: none;
}

.search-result-title {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.search-result-page {
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.search-result-snippet {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.search-result-snippet mark {
  background: var(--color-accent-muted);
  color: var(--color-primary);
  padding: 0 2px;
  border-radius: 2px;
}

.search-no-results {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .search-box input {
    width: 140px;
  }
  
  .search-box input:focus {
    width: 160px;
  }
  
  .search-results {
    width: 280px;
    right: -20px;
  }
}

/* Header */
.header {
  background: var(--color-surface);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  color: var(--color-primary);
}

.logo:hover {
  text-decoration: none;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.logo-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* Main Navigation */
.main-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: block;
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li.dropdown-open > a {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  text-decoration: none;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0;
  padding-top: 4px;
  min-width: 200px;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  list-style: none;
  margin: 0;
  padding: calc(var(--space-sm) + 4px) var(--space-sm) var(--space-sm);
  z-index: 200;
}

.has-dropdown:hover .dropdown,
.has-dropdown.dropdown-open .dropdown {
  display: block;
}

.dropdown li a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  font-size: 0.9rem;
  border-radius: 8px;
}

.dropdown li a:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  text-decoration: none;
}

/* Hero Banner */
.hero-banner {
  position: relative;
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 45%, #0f766e 100%);
  color: #fff;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg) calc(var(--space-3xl) + var(--space-xl));
  overflow: hidden;
}

/* Hero: only the inner content carousel (ASPAI / Summer School) */
.hero-banner-with-carousel .hero-carousel {
  position: relative;
  overflow: hidden;
}

.hero-carousel-track {
  display: flex;
  width: 300%;
  transition: transform 0.4s ease;
  will-change: transform;
}

.hero-carousel .hero-slide {
  flex: 0 0 33.333%;
  width: 33.333%;
  min-width: 33.333%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-carousel .hero-slide .container {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0 var(--space-lg);
}

.hero-carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl) 0 0;
}

.hero-banner .hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  padding: 0;
}

.hero-banner .hero-dot:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.25);
}

.hero-banner .hero-dot.active {
  background: #fff;
  border-color: #fff;
}

.hero-banner .hero-dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: radial-gradient(circle at 1px 1px, #fff 1px, transparent 0);
  background-size: 32px 32px;
}

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

.hero-conf-name {
  font-size: 0.85rem;
  color: #94a3b8;
  margin: 0 0 var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 400;
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-date {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin: 0 0 var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.hero-date-icon {
  opacity: 0.9;
}

.hero-date-sep {
  color: #64748b;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn-hero-primary {
  background: #14b8a6;
  color: #0f172a;
}

.btn-hero-primary:hover {
  background: #5eead4;
  color: #0f172a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.4);
  text-decoration: none;
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

/* Section */
.section {
  padding: var(--space-3xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-primary);
  margin: 0 0 var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.subsection-title {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-xl) 0 var(--space-lg);
}

/* Welcome */
.welcome {
  background: var(--color-surface);
  margin-top: -var(--space-xl);
  padding-top: calc(var(--space-3xl) + var(--space-xl));
}

.welcome-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.welcome-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.welcome-photo {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.welcome-placeholder {
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0f766e 0%, #0d9488 50%, #14b8a6 100%);
  color: #fff;
  padding: var(--space-lg);
}

.welcome-placeholder-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 400;
}

.welcome-placeholder-sub {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-top: var(--space-xs);
}

.welcome-text p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.welcome-signature {
  font-style: italic;
  margin-top: var(--space-lg);
  color: var(--color-text);
}

.welcome-chair {
  color: var(--color-primary);
  font-size: 0.95rem;
}

/* Welcome page: photo and text same width via shared wrapper */
.welcome-page .welcome-content-inner {
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.welcome-page .welcome-photo-wrap {
  margin: 0 0 var(--space-2xl);
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.welcome-page .welcome-photo-large {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 360px;
}

.welcome-page .welcome-text-block {
  width: 100%;
}

.welcome-page .welcome-text-block p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.welcome-page .welcome-signature {
  font-style: italic;
  margin-top: var(--space-xl);
  color: var(--color-text);
}

.welcome-page .welcome-chair {
  margin-top: var(--space-lg);
  margin-bottom: 0;
}

/* Inner page layout (for non-home pages) */
.page-main {
  padding: var(--space-3xl) 0 5rem;
}

.page-main .section-title {
  margin-top: 0;
}

.page-main .page-section {
  margin-bottom: var(--space-3xl);
}

.page-main .page-section:last-child {
  margin-bottom: 0;
}

.page-main .page-section > h2.subsection-title {
  font-size: 1.35rem;
  margin-bottom: var(--space-md);
  margin-top: 0;
}

.page-main .page-section h3.subsection-title {
  font-size: 1rem;
  margin-top: var(--space-md);
}

.page-main .page-section h3.subsection-title:not(:first-of-type) {
  margin-top: var(--space-lg);
}

/* General Info */
.general-info {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.info-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.info-card h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent-hover);
  margin: 0 0 var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.info-card h3::before {
  content: '';
  width: 4px;
  height: 1.2em;
  background: var(--color-accent);
  border-radius: 2px;
}

.info-card p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.info-card ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.info-card li {
  margin-bottom: var(--space-xs);
}

/* Venue section (photos + map) */
.venue-section {
  background: var(--color-surface);
}

.venue-address-text {
  font-size: 1.1rem;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

.venue-desc {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
}

.venue-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.venue-photo {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 16/10;
  box-shadow: var(--shadow);
}

.venue-map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.venue-map-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.venue-map {
  display: block;
  width: 100%;
  height: 420px;
  border: none;
}

.venue-map-link {
  margin: 0;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
}

.venue-map-link a {
  font-weight: 600;
}

@media (max-width: 600px) {
  .venue-gallery {
    grid-template-columns: 1fr;
  }
}

/* Conference */
.conference {
  background: var(--color-surface);
}

.schedule-table {
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-soft);
}

.schedule-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--color-border-soft);
  transition: background var(--transition);
}

.schedule-row:last-child {
  border-bottom: none;
}

.schedule-row:hover:not(.schedule-header) {
  background: var(--color-bg);
}

.schedule-row.schedule-header {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.schedule-day,
.schedule-content {
  padding: var(--space-lg);
}

.schedule-day {
  background: var(--color-accent-soft);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
}

.schedule-header .schedule-day,
.schedule-header .schedule-content {
  background: var(--color-primary-soft);
  color: #fff;
}

.schedule-day small {
  display: block;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.schedule-header .schedule-day small {
  color: #94a3b8;
}

.keynotes {
  margin-bottom: var(--space-xl);
}

.keynotes h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-lg);
}

.keynote-grid {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.keynote-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  transition: transform var(--transition);
}

.keynote-card:hover {
  transform: translateY(-2px);
}

.keynote-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 auto var(--space-md);
}

.keynote-name {
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
  font-size: 1rem;
}

.keynote-affiliation {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: var(--space-xs) 0 0;
}

.social-events {
  background: linear-gradient(135deg, var(--color-accent-soft) 0%, #f0fdfa 100%);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  border: 1px solid rgba(13, 148, 136, 0.2);
}

.social-events h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
}

.social-events p {
  margin: 0;
  color: var(--color-text-muted);
}

.cta-box {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Extra space above CTA when it follows a block (e.g. Important Dates) */
.cfp-content .cta-box,
.page-main .info-grid + .cta-box {
  margin-top: var(--space-3xl);
}

.cta-box-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.35);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  border-color: var(--color-accent);
  text-decoration: none;
}

/* Summer School */
.summer-school {
  background: linear-gradient(180deg, var(--color-accent-soft) 0%, #f0fdfa 100%);
}

.summer-school-content p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.summer-school-content ul {
  margin: 0 0 var(--space-lg);
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

/* Schedule block (Summer School) */
.schedule-block {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-soft);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.schedule-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid var(--color-border-soft);
  transition: background var(--transition);
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-item:hover {
  background: var(--color-bg);
}

.schedule-time {
  background: var(--color-accent-soft);
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.schedule-content {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text);
  text-align: center;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.schedule-content strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-xs);
}

/* 3-column info grid */
.info-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .info-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .info-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .schedule-item {
    grid-template-columns: 1fr;
  }
  
  .schedule-time {
    text-align: left;
    justify-content: flex-start;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
  }
}

/* Lecturer grid */
.lecturer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.lecturer-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-soft);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-xl);
  transition: transform var(--transition), box-shadow var(--transition);
}

.lecturer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.lecturer-info h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-xs);
}

.lecturer-affiliation {
  font-size: 0.9rem;
  color: var(--color-accent-hover);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}

.lecturer-topic {
  font-size: 0.9rem;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-soft);
  border-radius: var(--radius);
}

.lecturer-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

.intro-text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

/* Page content block */
.page-content-block {
  max-width: 800px;
}

.page-content-block p {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

.page-content-block ul {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  padding-left: 1.25rem;
}

.page-content-block li {
  margin-bottom: var(--space-sm);
}

/* Committee */
.committee {
  background: var(--color-bg);
}

.chairs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.chair-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--transition);
}

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

.chair-name {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}

.chair-affiliation {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.committee-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-sm);
}

.committee-member {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
}

/* Registration */
.registration {
  background: var(--color-surface);
}

.registration-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.pricing-table {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-soft);
  margin-bottom: var(--space-xl);
}

.pricing-row {
  display: grid;
  grid-template-columns: 1fr 1fr 140px;
  border-bottom: 1px solid var(--color-border-soft);
  transition: background var(--transition);
}

.pricing-row:last-child {
  border-bottom: none;
}

.pricing-row:hover:not(.pricing-header) {
  background: var(--color-bg);
}

.pricing-row.pricing-header {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.pricing-row span {
  padding: var(--space-lg) var(--space-xl);
}

.pricing-row.pricing-featured {
  background: linear-gradient(90deg, var(--color-accent-soft) 0%, transparent 100%);
}

.price {
  font-weight: 700;
  color: var(--color-success);
  font-size: 1.1rem;
}

.pricing-featured .price {
  color: var(--color-accent-hover);
}

.contact-box {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-soft);
}

.contact-box h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.contact-box p {
  margin: 0;
}

.contact-box a {
  font-weight: 600;
}

/* Sponsors */
.sponsors {
  background: var(--color-bg);
  text-align: center;
}

.sponsors p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.sponsor-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.sponsor-logos--secondary {
  margin-top: var(--space-xl);
}

.sponsors-divider {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sponsor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  min-height: 80px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.sponsor-logo img {
  display: block;
  object-fit: contain;
  max-width: 100%;
  height: auto;
}

.sponsor-logo:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-accent);
}

.sponsor-logo img {
  max-width: 140px;
  max-height: 60px;
}

/* Supported by section (Sponsors page) */
.supported-by-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.supported-title {
  margin: 0 0 var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.supported-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.supported-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.supported-logo img {
  max-width: 100px;
  max-height: 100px;
  object-fit: contain;
}

.supported-logo:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-accent);
}

.supported-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* FAQs */
.faq-section {
  background: var(--color-surface);
}

.faq-text {
  margin: 0;
  color: var(--color-text-muted);
}

.faq-text a {
  font-weight: 600;
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: var(--space-2xl) 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-copy {
  font-size: 0.85rem;
  margin: 0;
  color: #64748b;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: relative;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border);
  }

  body.nav-open .nav-menu {
    display: flex;
  }

  .nav-menu > li > a {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border-soft);
  }

  .dropdown {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background: var(--color-accent-soft);
    margin: 0 var(--space-sm) var(--space-sm);
    border-radius: var(--radius);
  }

  .has-dropdown.dropdown-open .dropdown {
    display: block;
  }

  .hero-date {
    flex-direction: column;
  }

  .welcome-content {
    grid-template-columns: 1fr;
  }

  .welcome-image {
    max-width: 300px;
    margin: 0 auto;
  }

  .schedule-row {
    grid-template-columns: 1fr;
  }

  .schedule-day {
    text-align: left;
  }

  .pricing-row {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .pricing-row span {
    padding: var(--space-sm) var(--space-md);
  }

  .pricing-row span:first-child {
    font-weight: 600;
    padding-top: var(--space-md);
  }

  .pricing-row span:last-child {
    padding-bottom: var(--space-md);
  }
}