/* ==================== */
/* CSS Variables for Design System */
/* ==================== */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --light-gradient: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
  
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f5576c;
  --dark-color: #1a1a2e;
  --light-color: #fafafa;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==================== */
/* Layout & Container Width */
/* ==================== */
.page__content {
  max-width: 100% !important;
  padding: 0 !important;
}

.page {
  width: 100% !important;
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0 2rem;
}

.archive {
  max-width: 100% !important;
}

.splash .page__content {
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0 !important;
}

/* Override all media query width constraints for splash pages */
@media (min-width: 37.5em) {
  .feature__item--center .archive__item-body {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .feature__item--center .archive__item-teaser {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .feature__item .archive__item-body {
    padding: 0 !important;
  }
}

/* Fix feature row width */
.feature__wrapper,
.feature__item,
.archive__item-body {
  max-width: 100% !important;
  width: 100% !important;
}

.feature__item,
.feature__item--left,
.feature__item--right,
.feature__item--center {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
}

/* Override theme's 57% width constraint on centered feature items */
.feature__item--center .archive__item-body {
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

.feature__item--center .archive__item-teaser {
  width: 100% !important;
  max-width: 100% !important;
}

.archive__item {
  width: 100% !important;
  max-width: 100% !important;
}

.archive__item-excerpt {
  max-width: 100% !important;
  width: 100% !important;
  font-size: 1em !important;
}

/* Force intro text and tables to use full width */
.archive__item-excerpt p,
.archive__item-excerpt > *,
.intro-section p {
  max-width: 100% !important;
  width: 100% !important;
}

table {
  width: 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.dates-wrapper,
.dates-wrapper table {
  width: 100% !important;
  max-width: 100% !important;
}

/* ==================== */
/* Navigation Bar Enhancements */
/* ==================== */
.masthead {
  background: var(--dark-gradient) !important;
  box-shadow: var(--shadow-md);
  border-bottom: 3px solid var(--primary-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.masthead__inner-wrap {
  max-width: 1400px !important;
  margin: 0 auto;
  padding: 0.75rem 2rem;
}

.site-title {
  font-size: 1.6rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.5px;
  color: #fff !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
  transition: var(--transition-base);
}

.site-title:hover {
  transform: scale(1.02);
  color: #a8d8ff !important;
  text-shadow: 3px 3px 12px rgba(102, 126, 234, 0.5);
}

.greedy-nav {
  background: transparent !important;
}

.greedy-nav a {
  color: #e8e8e8 !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-base);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.greedy-nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
  transition: left 0.5s ease;
}

.greedy-nav a:hover::before {
  left: 100%;
}

.greedy-nav a:hover {
  color: #fff !important;
  background: rgba(102, 126, 234, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.greedy-nav .visible-links a {
  padding: 0.75rem 1.25rem !important;
  margin: 0 0.25rem;
}

.greedy-nav button {
  background: rgba(102, 126, 234, 0.25) !important;
  color: #fff !important;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-base);
}

.greedy-nav button:hover {
  background: rgba(102, 126, 234, 0.4) !important;
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

/* Hidden menu (hamburger dropdown) styling */
.greedy-nav .hidden-links {
  background: var(--dark-gradient) !important;
  border: 1px solid var(--primary-color) !important;
  box-shadow: var(--shadow-lg) !important;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.greedy-nav .hidden-links a {
  color: #e8e8e8 !important;
  padding: 1rem 1.5rem !important;
  border-bottom: 1px solid rgba(102, 126, 234, 0.2);
  transition: var(--transition-base);
  background: transparent !important;
}

.greedy-nav .hidden-links a:hover {
  background: rgba(102, 126, 234, 0.15) !important;
  color: #fff !important;
  padding-left: 2rem !important;
  border-left: 3px solid var(--primary-color);
}

/* Prevent entire navigation from changing color */
.greedy-nav:hover,
.masthead:hover,
.masthead:hover .greedy-nav,
.greedy-nav__toggle:hover ~ .greedy-nav,
.visible-links:hover {
  background: var(--dark-gradient) !important;
}

.greedy-nav,
.greedy-nav *,
.visible-links,
.visible-links * {
  background: transparent !important;
}

.greedy-nav .visible-links {
  background: transparent !important;
}

.greedy-nav .visible-links:hover {
  background: transparent !important;
}

.greedy-nav .hidden-links::before {
  border-color: transparent transparent #1a1a2e transparent !important;
}

/* ==================== */
/* Table of Contents (TOC) Styling */
/* ==================== */
.sidebar__right {
  background: var(--light-gradient);
  border-radius: var(--radius-md);
  padding: 1.75rem !important;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(102, 126, 234, 0.1);
  position: sticky !important;
  top: 2rem;
  transition: var(--transition-base);
  float: right !important;
  clear: right !important;
}

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

.toc {
  background: transparent !important;
  border: none !important;
}

.toc__title {
  color: var(--dark-color) !important;
  font-weight: 800 !important;
  font-size: 1.15rem !important;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 3px solid transparent;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-image: linear-gradient(90deg, var(--primary-color), var(--accent-color)) 1;
  border-image-slice: 0 0 1 0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.toc__menu {
  font-size: 0.92rem;
  line-height: 1.6;
}

.toc__menu a {
  color: #555 !important;
  padding: 0.65rem 1rem;
  display: block;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  border-left: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.toc__menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(102, 126, 234, 0.1), rgba(245, 87, 108, 0.1));
  transition: width var(--transition-base);
  z-index: -1;
}

.toc__menu a:hover::before {
  width: 100%;
}

.toc__menu a:hover {
  color: var(--primary-color) !important;
  border-left-color: var(--accent-color);
  padding-left: 1.25rem;
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.toc__menu li {
  margin: 0.35rem 0;
}

.toc__menu ul {
  padding-left: 1.25rem;
}

.toc__menu li ul a {
  font-size: 0.88rem;
  color: #666 !important;
}

.toc__menu li ul a:hover {
  color: var(--secondary-color) !important;
}

/* ==================== */
/* Header/Hero Section Enhancement */
/* ==================== */
.page__hero {
  position: relative;
  overflow: hidden;
}

.page__hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.7) 0%, rgba(15, 52, 96, 0.7) 100%);
  z-index: 1;
}

.page__hero-caption {
  z-index: 2;
  position: relative;
}

.page__title {
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
  font-size: 3rem !important;
  font-weight: 800;
  letter-spacing: 1px;
}

.page__lead {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-size: 1.3rem;
  line-height: 1.8;
}

.btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: white !important;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  color: white !important;
}

.btn--primary {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  border: none;
  color: white !important;
}

.btn--primary:visited,
.btn--primary:link,
.btn--primary:active {
  color: white !important;
}

.btn--inverse {
  background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
  border: none;
  color: white !important;
}

/* Override any link colors inside buttons */
a.btn,
a.btn--primary,
a.btn--inverse {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background-clip: padding-box !important;
  -webkit-background-clip: padding-box !important;
}

a.btn:hover,
a.btn--primary:hover,
a.btn--inverse:hover,
a.btn:visited,
a.btn--primary:visited,
a.btn--inverse:visited,
a.btn:link,
a.btn--primary:link,
a.btn--inverse:link,
a.btn:active,
a.btn--primary:active,
a.btn--inverse:active {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background-clip: padding-box !important;
  -webkit-background-clip: padding-box !important;
}

/* Target any potential theme overrides */
.page__content a.btn,
.page__content a.btn--primary,
.intro-section a.btn,
.intro-section a.btn--primary {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%) !important;
  background-clip: padding-box !important;
  -webkit-background-clip: padding-box !important;
}

/* ==================== */
/* Section Headings */
/* ==================== */
.section-heading {
  text-align: center;
  margin: 4rem auto 2.5rem auto;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--dark-color);
  display: inline-block;
  padding-bottom: 0.75rem;
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.section-heading::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary-color) 20%, var(--accent-color) 80%, transparent);
  border-radius: 2px;
}

.section-heading::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

/* Style markdown h2 headings as section headings */
.page__content h2 {
  text-align: center;
  margin: 4rem auto 2.5rem auto;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--dark-color);
  padding-bottom: 1rem;
  position: relative;
  max-width: fit-content;
  display: block;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page__content h2::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary-color) 20%, var(--accent-color) 80%, transparent);
  border-radius: 2px;
}

.page__content h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

/* Style h3 headings */
.page__content h3 {
  color: #34495e;
  font-weight: 700;
  margin: 2.5rem 0 1.25rem 0;
  font-size: 1.6rem;
  position: relative;
  padding-left: 1.25rem;
  letter-spacing: -0.2px;
}

.page__content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 70%;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

.section-container {
  margin: 2.5rem 0 4.5rem 0;
  animation: fadeInUp 0.8s ease-out;
  width: 100%;
  max-width: 100%;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== */
/* Person Cards (Chairs, Advisors) */
/* ==================== */
.person-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  text-align: center;
  margin: 3rem 0;
}

.person-card {
  flex: 0 1 auto;
  transition: var(--transition-slow);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: white;
  position: relative;
  overflow: hidden;
}

.person-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.person-card:hover::before {
  transform: scaleX(1);
}

.person-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.person-avatar {
  border-radius: 50%;
  width: 160px;
  height: 160px;
  object-fit: cover;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  border: 4px solid #fff;
  position: relative;
}

.person-card::after {
  content: '';
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: var(--transition-base);
  z-index: 0;
}

.person-card:hover::after {
  opacity: 0.15;
  animation: pulse-ring 1.5s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: translateX(-50%) scale(0.95);
    opacity: 0.2;
  }
  50% {
    opacity: 0.15;
  }
  100% {
    transform: translateX(-50%) scale(1.05);
    opacity: 0;
  }
}

.person-card:hover .person-avatar {
  box-shadow: var(--shadow-xl);
  transform: scale(1.05);
  border-color: rgba(102, 126, 234, 0.3);
}

.person-avatar {
  position: relative;
  z-index: 1;
}

.person-name {
  margin: 1.25rem 0 0.4rem 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark-color);
  position: relative;
  z-index: 1;
  letter-spacing: -0.2px;
}

.person-affiliation {
  margin: 0;
  font-style: italic;
  color: #7f8c8d;
  font-size: 0.98rem;
  position: relative;
  z-index: 1;
  line-height: 1.5;
}

/* ==================== */
/* Sponsors Section */
/* ==================== */
.sponsors-wrapper {
  background: linear-gradient(to bottom, #fafafa 0%, #ffffff 40%, #ffffff 60%, #fafafa 100%);
  padding: 5rem 2.5rem;
  margin: 4rem 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(102, 126, 234, 0.1);
  position: relative;
  overflow: hidden;
}

.sponsors-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.05), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.sponsor-tier-title {
  text-align: center;
  margin: 4rem 0 2.5rem 0;
  font-size: 2.2rem;
  font-weight: 800;
  color: #2c3e50;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.sponsor-tier-title::before {
  content: attr(data-tier);
  position: absolute;
  top: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: #999;
  opacity: 0.5;
}

.sponsor-tier-title::after {
  content: '';
  display: block;
  width: 120px;
  height: 5px;
  background: var(--primary-color);
  margin: 1rem auto 0;
  border-radius: 3px;
  box-shadow: var(--shadow-sm);
}

.sponsor-tier-title.platinum {
  background: linear-gradient(135deg, #4a4a4a, #8a8a8a, #4a4a4a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-tier-title.platinum::after {
  background: linear-gradient(90deg, #bfc1c2, #e5e4e2, #bfc1c2);
  box-shadow: 0 4px 12px rgba(191, 193, 194, 0.4);
}

.sponsor-tier-title.gold {
  background: linear-gradient(135deg, #8B6914, #d4af37, #f9d71c, #d4af37, #8B6914);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-tier-title.gold::after {
  background: linear-gradient(90deg, #d4af37, #f9d71c, #d4af37);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.5);
}

.sponsor-tier-title.silver {
  background: linear-gradient(135deg, #5a5a5a, #aaa9ad, #c0c0c0, #aaa9ad, #5a5a5a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-tier-title.silver::after {
  background: linear-gradient(90deg, #aaa9ad, #c0c0c0, #aaa9ad);
  box-shadow: 0 4px 12px rgba(170, 169, 173, 0.4);
}

.sponsor-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 60px;
  margin: 3rem 0 4rem 0;
  padding: 2.5rem;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.03);
  position: relative;
}

.sponsor-item {
  text-align: center;
  transition: var(--transition-slow);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 2px solid #f0f0f0;
  position: relative;
}

/* Ensure no pseudo-elements cover the logo */
.sponsor-item::before,
.sponsor-item::after {
  display: none !important;
}

.sponsor-item:hover {
  transform: scale(1.08) translateY(-8px);
  box-shadow: var(--shadow-xl);
  background: transparent !important;
  border-color: var(--primary-color);
}

.sponsor-logo {
  object-fit: contain;
  filter: none !important;
  transition: var(--transition-base);
  position: relative;
  z-index: 10;
  background: transparent !important;
}

.sponsor-item:hover .sponsor-logo {
  filter: none !important;
  animation: logo-float 2s ease-in-out infinite;
  opacity: 1 !important;
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Sponsor tier sizes */
.sponsor-logo.platinum {
  max-width: 340px;
  max-height: 170px;
}

.sponsor-logo.gold {
  max-width: 280px;
  max-height: 140px;
}

.sponsor-logo.silver {
  max-width: 220px;
  max-height: 110px;
}

/* ==================== */
/* Keynote Speakers */
/* ==================== */
.keynote-section {
  margin: 3.5rem 0;
  padding: 3rem;
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 50%, #fafafa 100%);
  border-radius: var(--radius-lg);
  border-left: 8px solid var(--primary-color);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.keynote-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.keynote-section:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-left-color: var(--accent-color);
}

.keynote-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--dark-color);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  position: relative;
  padding-bottom: 1rem;
  letter-spacing: -0.3px;
}

.keynote-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

.keynote-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem 0;
  border-top: 2px solid rgba(102, 126, 234, 0.15);
  border-bottom: 2px solid rgba(102, 126, 234, 0.15);
}

.keynote-time,
.keynote-link {
  display: inline-flex;
  align-items: center;
  color: #555;
  font-size: 1.05rem;
  font-weight: 600;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.keynote-time:hover,
.keynote-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.keynote-time::before {
  content: '📅';
  margin-right: 0.75rem;
  font-size: 1.3rem;
}

.keynote-link::before {
  content: '🔗';
  margin-right: 0.75rem;
  font-size: 1.3rem;
}

.keynote-link a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: var(--transition-base);
  font-weight: 700;
}

.keynote-link:hover a {
  color: white;
  border-bottom-color: white;
}

.keynote-link a:hover {
  border-bottom-color: var(--accent-color);
}

.keynote-content {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.keynote-image-wrapper {
  flex: 0 0 300px;
  position: relative;
}

.keynote-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -10px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  opacity: 0.15;
  z-index: 0;
}

.keynote-image {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  position: relative;
  z-index: 1;
}

.keynote-image:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-xl);
}

.keynote-details {
  flex: 1;
  min-width: 320px;
}

.keynote-abstract,
.keynote-bio {
  margin: 2.5rem 0;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(102, 126, 234, 0.1);
  transition: var(--transition-base);
}

.keynote-abstract:hover,
.keynote-bio:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.keynote-abstract h4,
.keynote-bio h4 {
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  letter-spacing: -0.2px;
}

.keynote-abstract h4::before {
  content: '📄';
  margin-right: 0.75rem;
  font-size: 1.4rem;
}

.keynote-bio h4::before {
  content: '👤';
  margin-right: 0.75rem;
  font-size: 1.4rem;
}

.keynote-abstract p,
.keynote-bio p {
  line-height: 1.9;
  color: #34495e;
  font-size: 1.05rem;
}

.speaker-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}

/* ==================== */
/* Introduction Section */
/* ==================== */
.intro-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: 3rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 3rem 0;
  line-height: 2;
  font-size: 1.08rem;
  max-width: none !important;
  width: 100% !important;
  border: 1px solid rgba(102, 126, 234, 0.1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-sizing: border-box;
}

.intro-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  border-radius: 0 3px 3px 0;
}

.intro-section p {
  margin-bottom: 1.75rem;
  color: #2c3e50;
  font-weight: 400;
  letter-spacing: 0.2px;
}

.intro-section strong {
  color: var(--dark-color);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-section a {
  color: var(--primary-color) !important;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: var(--transition-base);
  font-weight: 600;
  position: relative;
}

/* Override for buttons inside intro-section */
.intro-section a.btn,
.intro-section a.btn--primary,
.intro-section a.btn--inverse,
.intro-section a.btn--large {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background-clip: padding-box !important;
  -webkit-background-clip: padding-box !important;
  border-bottom: none !important;
  text-decoration: none !important;
}

.intro-section a:hover {
  border-bottom-color: var(--accent-color);
  color: var(--accent-color) !important;
}

/* Keep buttons white on hover */
.intro-section a.btn:hover,
.intro-section a.btn--primary:hover,
.intro-section a.btn--inverse:hover,
.intro-section a.btn--large:hover {
  color: white !important;
  -webkit-text-fill-color: white !important;
}

/* Ensure all email links are visible */
a[href^="mailto:"],
a[href*="@"] {
  color: var(--primary-color) !important;
  text-decoration: underline !important;
}

a[href^="mailto:"]:hover,
a[href*="@"]:hover {
  color: var(--accent-color) !important;
}

/* Specific override for email in intro section */
.archive__item-excerpt a[href^="mailto:"],
.intro-section a[href^="mailto:"] {
  color: #667eea !important;
  background: none !important;
  -webkit-text-fill-color: #667eea !important;
}

/* Email in sponsors section */
.sponsors-wrapper a[href^="mailto:"],
.text-center a[href^="mailto:"] {
  color: #667eea !important;
  -webkit-text-fill-color: #667eea !important;
}

.intro-section ul {
  max-width: 100%;
  margin: 2rem 0;
}

.intro-section ul li {
  margin-bottom: 1rem;
  color: #34495e;
  position: relative;
  padding-left: 2rem;
  transition: var(--transition-base);
}

.intro-section ul li:hover {
  color: var(--dark-color);
  transform: translateX(5px);
}

.intro-section ul li::before {
  content: '▸';
  position: absolute;
  left: 0.5rem;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1rem;
  transition: var(--transition-base);
}

.intro-section ul li:hover::before {
  color: var(--accent-color);
  transform: translateX(3px);
}

.highlight-box {
  background: linear-gradient(135deg, #e8f4f8 0%, #d4e9f0 100%);
  padding: 2.5rem;
  border-left: 6px solid var(--primary-color);
  margin: 3rem 0;
  border-radius: var(--radius-md);
  max-width: 100%;
  box-shadow: var(--shadow-md);
  font-size: 1.15rem;
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: '💡';
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  opacity: 0.3;
}

.highlight-box strong {
  color: var(--dark-color);
  font-weight: 700;
}

/* ==================== */
/* Important Dates Table */
/* ==================== */
.dates-wrapper {
  margin: 3rem auto;
  max-width: 100%;
  width: 100%;
  overflow: visible;
}

.dates-wrapper table {
  width: 100%;
  max-width: 100%;
  margin: 0;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(102, 126, 234, 0.1);
  table-layout: auto !important;
  display: table;
}

.dates-wrapper table th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
  font-weight: 700;
  padding: 1.5rem !important;
  text-align: left;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none !important;
  margin: 0 !important;
  line-height: 1.4;
  box-sizing: border-box !important;
  vertical-align: middle !important;
}

/* Ensure all th elements get the background */
.dates-wrapper table th,
.dates-wrapper table thead th,
.dates-wrapper th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
  border: none !important;
  box-sizing: border-box !important;
  padding: 1.5rem !important;
  margin: 0 !important;
}

/* Style the p tags inside th elements - eliminate all spacing */
.dates-wrapper table th p,
.dates-wrapper table thead th p,
.dates-wrapper th p {
  color: white !important;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  line-height: 1.4 !important;
  display: inline !important;
}

/* Override any theme styles on table headers */
.dates-wrapper table tr th,
.dates-wrapper table thead tr th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border: none !important;
  padding: 1.5rem !important;
}

/* Ensure first row header cells are fully styled */
.dates-wrapper table tr:first-child th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border: none !important;
  border-right: none !important;
  border-left: none !important;
}

/* Specifically target the last th in header row */
.dates-wrapper table tr:first-child th:last-child {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border-top-right-radius: var(--radius-md) !important;
}

.dates-wrapper table tr:first-child th:first-child {
  border-top-left-radius: var(--radius-md) !important;
}

.dates-wrapper table td {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
  background: white;
  transition: var(--transition-base);
  font-size: 1.05rem;
  box-sizing: border-box !important;
}

.dates-wrapper table tr:hover td {
  background: linear-gradient(90deg, #fafafa 0%, #ffffff 100%);
  transform: scale(1.01);
  box-shadow: var(--shadow-sm);
}

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

/* ==================== */
/* Call-to-Action Buttons */
/* ==================== */
.cta-section {
  text-align: center;
  margin: 4rem 0;
  padding: 4rem 2.5rem;
  background: linear-gradient(135deg, #5568d3 0%, #663d8f 100%);
  border-radius: var(--radius-lg);
  color: white;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

/* Ensure no pseudo-elements create glow */
.cta-section::before,
.cta-section::after {
  display: none !important;
  content: none !important;
}

.cta-section h2 {
  color: white !important;
  margin-bottom: 1.25rem;
  font-size: 2.0rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
  text-shadow: 3px 3px 15px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 0, 0, 0.5), 1px 1px 3px rgba(0, 0, 0, 0.9);
  letter-spacing: -0.5px;
  background: none !important;
  -webkit-text-fill-color: white !important;
  background-clip: border-box !important;
  -webkit-background-clip: border-box !important;
}

.cta-section h2::before,
.cta-section h2::after {
  display: none;
}

.cta-section p {
  position: relative;
  z-index: 1;
  font-size: 1.25rem;
  opacity: 1;
  line-height: 1.6;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 0, 0, 0.4);
  color: white !important;
  font-weight: 500;
}

.cta-button {
  display: inline-block;
  padding: 1.4rem 3.5rem;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 800;
  font-size: 1.25rem;
  transition: var(--transition-slow);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: 3px solid white;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  opacity: 0;
  transition: var(--transition-base);
  z-index: -1;
}

.cta-button:hover::before {
  opacity: 1;
}

.cta-button:hover {
  transform: translateY(-6px) scale(1.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
  color: white;
  border-color: white;
}

/* ==================== */
/* Responsive Design */
/* ==================== */
@media (max-width: 1400px) {
  .page {
    max-width: 100% !important;
  }
  
  .splash .page__content {
    max-width: 100% !important;
  }
}

@media (max-width: 768px) {
  .section-heading {
    font-size: 2rem;
  }
  
  .person-grid {
    gap: 20px;
  }
  
  .person-avatar {
    width: 120px;
    height: 120px;
  }
  
  .sponsor-grid {
    gap: 25px;
  }
  
  .sponsor-logo.platinum {
    max-width: 240px;
    max-height: 120px;
  }
  
  .sponsor-logo.gold {
    max-width: 200px;
    max-height: 100px;
  }
  
  .sponsor-logo.silver {
    max-width: 160px;
    max-height: 80px;
  }
  
  .keynote-content {
    flex-direction: column;
  }
  
  .keynote-image-wrapper {
    flex: 0 0 auto;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .page__content {
    padding: 0 1rem !important;
  }
  
  .intro-section ul {
    column-count: 1 !important;
  }
}

@media (max-width: 480px) {
  .person-avatar {
    width: 100px;
    height: 100px;
  }
  
  .person-name {
    font-size: 1rem;
  }
  
  .person-affiliation {
    font-size: 0.85rem;
  }
}

/* ==================== */
/* Utility Classes */
/* ==================== */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.divider {
  height: 3px;
  background: linear-gradient(to right, transparent, rgba(102, 126, 234, 0.3) 20%, var(--primary-color) 50%, rgba(102, 126, 234, 0.3) 80%, transparent);
  margin: 5rem 0;
  position: relative;
  border-radius: 2px;
}

.divider::before {
  content: '◆';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 0 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.2rem;
}

/* ==================== */
/* Page Footer Enhancement */
/* ==================== */
.page__footer {
  background: var(--dark-gradient) !important;
  color: #e8e8e8 !important;
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--primary-color), var(--accent-color)) 1;
  border-image-slice: 1 0 0 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.page__footer a {
  color: var(--primary-color) !important;
  transition: var(--transition-base);
  position: relative;
}

.page__footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-base);
}

.page__footer a:hover::after {
  width: 100%;
}

.page__footer a:hover {
  color: var(--accent-color) !important;
}

/* ==================== */
/* Scroll to Top Button Enhancement */
/* ==================== */
.back-to-top {
  background: var(--primary-gradient) !important;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  border-radius: 50%;
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-xl);
}

/* ==================== */
/* Smooth Scroll Behavior */
/* ==================== */
html {
  scroll-behavior: smooth;
}

/* ==================== */
/* Page Transitions */
/* ==================== */
.page {
  animation: page-fade-in 0.6s ease-out;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== */
/* Selection Styling */
/* ==================== */
::selection {
  background: var(--primary-color);
  color: white;
}

::-moz-selection {
  background: var(--primary-color);
  color: white;
}

/* ==================== */
/* Focus Styles for Accessibility */
/* ==================== */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* ==================== */
/* Loading Animation for Images */
/* ==================== */
img {
  transition: opacity var(--transition-base);
}

img[src] {
  opacity: 0;
  animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* ==================== */
/* Print Styles */
/* ==================== */
@media print {
  .masthead,
  .sidebar__right,
  .page__footer,
  .back-to-top {
    display: none !important;
  }
  
  .page__content {
    max-width: 100% !important;
    padding: 0 !important;
  }
  
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}