@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --secondary: #10b981;
  --secondary-hover: #059669;
  --accent: #3b82f6;
  --bg-color: #f8fafc;
  --surface: #ffffff;
  --text-main: #334155;
  --text-heading: #0f172a;
  --text-light: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.45);
  --glass-bg-dark: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glassmorphism Utilities */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--glass-shadow);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-heading);
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 3.5rem;
  position: relative;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: table;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--secondary);
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Outfit', sans-serif;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--secondary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-primary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
  color: white;
}

.template-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.875rem;
  background-color: rgba(16, 185, 129, 0.08);
  color: var(--secondary);
  border: 1px solid rgba(16, 185, 129, 0.25);
  transition: var(--transition);
  text-decoration: none;
}

.template-link:hover {
  background-color: var(--secondary);
  color: white;
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.template-link i {
  font-size: 1rem;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.btn-maps {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-hover) 100%) !important;
  color: white !important;
  border: none !important;
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3) !important;
}
.btn-maps:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px rgba(16, 185, 129, 0.4) !important;
}

.btn-light {
  background-color: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-light:hover {
  background-color: #ffffff !important;
  color: var(--primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 0.85rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  padding: 0.65rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.header.scrolled .nav-link {
  color: var(--text-heading);
}
.header.scrolled .logo-text {
  color: var(--primary);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1001;
}

.logo img {
  height: 64px;
  object-fit: contain;
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: white;
  transition: var(--transition);
  line-height: 1.1;
}

.logo-text span {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--secondary);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: max(100vh, 650px);
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 5rem;
  overflow: hidden;
  background: var(--primary);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.45) 100%), url('./assets/hero_bg_render.webp') center/cover;
  z-index: 1;
  animation: heroZoom 10s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.10); }
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px); /* creates glowing orb effect */
  z-index: 2;
  animation: floatShape 8s infinite ease-in-out;
}

.shape-1 {
  width: 40vw;
  height: 40vw;
  min-width: 300px;
  min-height: 300px;
  background: rgba(16, 185, 129, 0.25);
  top: -10vw;
  right: -10vw;
}

.shape-2 {
  width: 50vw;
  height: 50vw;
  min-width: 400px;
  min-height: 400px;
  background: rgba(59, 130, 246, 0.2);
  bottom: -20vw;
  left: -20vw;
  animation-delay: -5s;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCI+CjxwYXRoIGQ9Ik0wLDBMMjAsMjBNMjAsMEwwLDIwIiBzdHJva2U9InJnYmEoMjU1LDI1NSwyNTUsMC4wNSkiIHN0cm9rZS13aWR0aD0iMSIvPgo8L3N2Zz4=') repeat;
  opacity: 0.5;
  z-index: 3;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  color: white;
}

.hero-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.2);
  color: var(--secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(16, 185, 129, 0.3);
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: white;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-title span {
  color: var(--secondary);
  display: block;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  backdrop-filter: blur(8px);
}

.hero-meta-item i {
  color: var(--secondary);
  font-size: 1.25rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: white;
  margin-bottom: 3rem;
  max-width: 650px;
  line-height: 1.7;
  text-shadow: 0 1px 15px rgba(0,0,0,0.4);
  opacity: 0.95;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.about-content p {
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.about-objectives {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0,0,0,0.05);
}

.about-objectives h4 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--primary);
}

.objective-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.objective-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.objective-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

/* Tracks Section */
.tracks-section {
  background-color: white;
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.track-card {
  background: var(--bg-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.03);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.track-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
  z-index: -1;
}

.track-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  background: white;
}

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

.track-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.track-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  height: 100%;
  width: 2px;
  background: rgba(15, 23, 42, 0.1);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 4rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 17px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--secondary);
  border: 4px solid white;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.timeline-date {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
}

/* Speakers */
.speakers-section {
  background-color: var(--primary);
  color: white;
  position: relative;
}
.speakers-section .section-title {
  color: white;
}
.speakers-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.speaker-card {
  flex: 0 1 calc(25% - 1.5rem);
  min-width: 280px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.speaker-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.speaker-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  object-position: top;
  filter: grayscale(20%);
  transition: var(--transition);
}

.speaker-card:hover .speaker-image {
  filter: grayscale(0%);
}

.speaker-info {
  padding: 2rem;
}

.speaker-info h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.speaker-role {
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.speaker-desc {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Schedule */
.schedule-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 1rem 2rem;
  background: white;
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: var(--radius-lg);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-light);
  box-shadow: var(--shadow-sm);
}

.tab-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.tab-btn.active {
  background: var(--secondary);
  color: white;
  border-color: var(--secondary);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.schedule-table {
  width: 100%;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}

.schedule-row {
  display: flex;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: background 0.2s;
}

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

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

.schedule-time {
  flex: 0 0 160px;
  padding: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  border-right: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-size: 0.95rem;
}

.schedule-details {
  padding: 1.5rem;
}

.schedule-details h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

/* Fees */
.fees-section {
  background-color: var(--bg-color);
}

.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.pricing-tab {
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  background: rgba(15, 23, 42, 0.1);
  color: var(--text-main);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.pricing-tab.active {
  background: var(--secondary);
  color: white;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

/* =============================================
   Registration Table Layout
============================================= */
.fees-table-wrapper {
  display: none;
  flex-direction: column;
  gap: 2.5rem;
  animation: fadeIn 0.4s ease-out;
}
.fees-table-wrapper.active {
  display: flex;
}

.reg-table-block {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
}

.reg-table-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.75rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
  border-bottom: 3px solid var(--secondary);
}
.reg-table-header small {
  font-weight: 400;
  font-size: 0.85rem;
  opacity: 0.85;
}

.reg-table-scroll {
  overflow-x: auto;
}

.reg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.reg-table thead tr {
  background: var(--bg-color);
  border-bottom: 2px solid rgba(0,0,0,0.07);
}

.reg-table th {
  padding: 0.9rem 1.5rem;
  text-align: left;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.reg-table th i {
  margin-right: 0.35rem;
  color: var(--secondary);
}

.reg-table tbody tr {
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: background 0.2s;
}

.reg-table tbody tr:last-child {
  border-bottom: none;
}

.reg-table tbody tr:hover {
  background: #f0fdf4;
}

.reg-table td {
  padding: 1rem 1.5rem;
  color: var(--text-main);
  vertical-align: middle;
}

.reg-table td.price {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
  white-space: nowrap;
}

.reg-table td.includes {
  color: var(--text-light);
  font-size: 0.88rem;
  white-space: nowrap;
}

.reg-table tr.highlighted-row {
  background: linear-gradient(90deg, rgba(16,185,129,0.06), transparent);
}
.reg-table tr.highlighted-row td.price {
  color: var(--secondary);
}

/* Category badges */
.reg-badge {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.reg-badge.participant {
  background: var(--primary-light);
  color: #ffffff;
}
.reg-badge.presenter {
  background: var(--secondary);
  color: #ffffff;
}

/* Committee */
.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.committee-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
}
.committee-card h4 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  border-bottom: 2px solid rgba(16, 185, 129, 0.2);
  padding-bottom: 0.5rem;
  display: inline-block;
}
.committee-card ul li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

/* Map/Venue */
.venue-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.venue-map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
}
.venue-map iframe {
  width: 100%;
  height: 100%;
}
.venue-info h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}
.venue-info p {
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  background: var(--primary);
  color: white;
  padding: 2.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
.footer-brand img {
  height: 90px;
  margin-bottom: 0.75rem;
}
.footer-text {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.footer h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--secondary);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  color: rgba(255,255,255,0.7);
}
.footer-contact i {
  color: var(--secondary);
  margin-top: 4px;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

/* Organizers Section */
.organizers-section {
  background: white;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.organizers-content {
  text-align: center;
}
.organizers-content p {
  font-size: 1rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  font-weight: 600;
}
.org-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.organizer-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6rem;
  flex-wrap: wrap;
}
.org-logo {
  height: 90px;
  object-fit: contain;
  transition: all 0.3s ease;
}
.org-logo:hover {
  transform: scale(1.05);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
  color: white;
  padding: 8rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}
.cta-content h2 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}
.cta-content p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}
.cta-btn-outline {
  color: white;
  border-color: rgba(255,255,255,0.3);
}
.cta-btn-outline:hover {
  background: #ffffff !important;
  color: var(--primary) !important;
  border-color: #ffffff !important;
}

/* Shared Form UI for specific Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, var(--bg-color) 0%, #e2e8f0 100%);
}
.auth-container {
  width: 100%;
  max-width: 600px;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.back-to-home-top {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  z-index: 10;
}
.back-to-home-top:hover {
  color: var(--secondary);
  transform: translateX(-5px);
}
.auth-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.auth-brand img {
  height: 50px;
  margin: 0 auto 1.5rem;
}
.auth-title {
  font-size: 2rem;
  color: var(--primary);
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-heading);
}
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--bg-color);
}
.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  background: white;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}
.form-text {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 1.25rem;
  }
  .nav-link {
    font-size: 0.85rem;
  }
}

@media (max-width: 1024px) {
  .nav-menu {
    gap: 0.75rem;
  }
}

@media (max-width: 992px) {
  .about-grid, .venue-container {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: var(--transition);
    align-items: flex-start;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    color: var(--primary) !important;
    font-size: 1.1rem;
  }
  
  .mobile-toggle {
    display: flex;
  }

  .header.scrolled .mobile-toggle span {
    background-color: var(--primary);
  }
  
  .mobile-toggle span {
    background-color: white;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-meta {
    flex-direction: column;
    gap: 1rem;
  }

  .schedule-row {
    grid-template-columns: 1fr;
  }
  .schedule-time {
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 1.5rem;
  }

  .speakers-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(5px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: white;
  width: 90%;
  max-width: 800px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s ease;
  position: relative;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-color);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: #ef4444;
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  gap: 2rem;
}

.modal-img-wrapper {
  flex-shrink: 0;
  width: 250px;
}

.modal-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.modal-bio {
  flex-grow: 1;
}

.modal-bio h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.modal-bio p {
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .modal-body {
    flex-direction: column;
  }
  .modal-img-wrapper {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
}

/* Refined Abstract Form Styles */
.form-section {
  margin-bottom: 3.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.form-section-title {
  color: var(--primary);
  margin-bottom: 2rem;
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Outfit', sans-serif;
}
.form-section-title i {
  color: var(--secondary);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.form-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-heading);
}
.form-label i {
  color: var(--text-light);
  font-size: 0.95rem;
}
.required {
  color: #ef4444;
  font-weight: 700;
  margin-left: 2px;
}
.form-control {
  font-family: 'Inter', sans-serif !important;
  font-size: 1rem !important;
}
.select-box {
  appearance: auto !important;
  padding: 0.8rem 1rem !important;
  line-height: normal !important;
  height: auto !important;
}
.declaration-box {
  margin-bottom: 3.5rem;
  background: rgba(16, 185, 129, 0.05);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(16, 185, 129, 0.15);
  box-shadow: inset 0 0 30px rgba(16, 185, 129, 0.03);
}
.declaration-title {
  color: var(--primary);
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Outfit', sans-serif;
}
.declaration-title i {
  color: var(--secondary);
}
.declaration-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.declaration-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  cursor: pointer;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid transparent;
}
.declaration-item:hover {
  background: white;
  border-color: rgba(16, 185, 129, 0.2);
  transform: translateX(5px);
}
.declaration-item input[type='checkbox'] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.25rem;
  cursor: pointer;
  accent-color: var(--secondary);
}
.declaration-item span {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-main);
  font-weight: 500;
}
.submit-btn {
  width: 100%;
  padding: 1.25rem !important;
  font-size: 1.25rem !important;
  font-weight: 800 !important;
  border-radius: var(--radius-lg) !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.25) !important;
}
.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(16, 185, 129, 0.35) !important;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .declaration-box {
    padding: 1.5rem;
  }
}

/* Committees Section */
.committees-section {
  background: #f1f5f9;
}
.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}
.committee-card {
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}
.committee-card:hover {
  transform: translateY(-5px);
  background: white;
  border-color: var(--secondary);
}
.committee-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  color: var(--primary);
}
.committee-header i {
  font-size: 1.5rem;
  color: var(--secondary);
}
.committee-header h3 {
  font-size: 1.25rem;
  margin: 0;
}
.committee-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.committee-list li {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.4;
}
.committee-list li strong {
  color: var(--primary);
  display: block;
  margin-bottom: 2px;
}
.committee-list li small {
  color: var(--text-light);
  font-weight: 500;
}

@media (max-width: 768px) {
  .committee-grid {
    grid-template-columns: 1fr;
  }
}

/* Organizing Committee Specifics */
.organizing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.org-group h4 {
  color: var(--secondary);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  border-left: 3px solid var(--secondary);
  padding-left: 10px;
}

.committees-section {
  background: white;
}

.organizing-container {
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.05) !important;
}

/* Coming Soon Schedule Styles */
.coming-soon-card {
  background: white;
  padding: 5rem 2rem;
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0,0,0,0.05);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.coming-soon-icon {
  font-size: 4rem;
  color: var(--secondary);
  margin-bottom: 2rem;
  display: inline-block;
  animation: pulse-glow 2s infinite ease-in-out;
}

.coming-soon-h {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
}

.coming-soon-p {
  color: var(--text-main);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
  border-radius: 2rem;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary);
}

@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
  .coming-soon-card {
    padding: 3.5rem 1.5rem;
  }
  .coming-soon-h {
    font-size: 1.5rem;
  }
}


/* --- Form Utilities --- */
.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.5rem;
  background: white;
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.radio-group:focus-within, .checkbox-group:focus-within {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-main);
  transition: var(--transition);
}

.form-option:hover {
  color: var(--primary);
}

.form-option input[type="radio"],
.form-option input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--secondary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.form-option-text {
  font-weight: 500;
}

.form-option-note {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.25rem;
  margin-left: 2rem;
  line-height: 1.6;
}

textarea.auto-resize {
  resize: none;
  overflow: hidden;
  min-height: 80px;
  transition: height 0.1s ease;
}

/* Registration Form Specific Styles */
.registration-page {
  background-color: #f1f5f9;
  padding-top: 120px;
  padding-bottom: 5rem;
}

.form-container {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px rgba(0,0,0,0.05);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}

.form-header {
  background: var(--primary);
  color: white;
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
}

.form-header h1 {
  color: white;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.form-header p {
  opacity: 0.8;
  max-width: 700px;
  margin: 0 auto;
  font-size: 0.95rem;
}

.form-body {
  padding: 3rem 4rem;
}

.form-section {
  margin-bottom: 4rem;
  animation: slideIn 0.5s ease-out forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 0.75rem;
}

.section-number {
  width: 32px;
  height: 32px;
  background: var(--secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.section-head h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-heading);
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Fee Options Grid */
.fee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.fee-card {
  position: relative;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.fee-card:hover {
  border-color: var(--secondary);
  background: #f0fdf4;
}

.fee-card input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.fee-card.selected {
  border-color: var(--secondary);
  background: #f0fdf4;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.fee-card .check-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--secondary);
  display: none;
}

.fee-card.selected .check-icon {
  display: block;
}

.fee-name {
  display: block;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.fee-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.fee-price {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--secondary);
}

/* Floating Calculator */
.total-calculator {
  position: sticky;
  bottom: 2rem;
  background: var(--primary);
  color: white;
  padding: 1.5rem 2.5rem;
  border-radius: var(--radius-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 15px 50px rgba(15, 23, 42, 0.2);
  z-index: 100;
  margin-top: 2rem;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.total-info h4 {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.total-amount {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--secondary);
}

.total-currency {
  font-size: 1rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

/* Helper Classes */
.hidden { display: none !important; }

@media (max-width: 768px) {
  .form-body { padding: 2rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: auto; }
  .total-calculator {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    bottom: 1rem;
    margin: 1rem;
    padding: 1.25rem;
  }
}