/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #EB1263;
  --primary-dark: #C00E52;
  --secondary-color: #EB1263;
  --accent-color: #ec4899;
  --text-dark: #12233D;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --gradient-1: linear-gradient(135deg, #EB1263 0%, #C00E52 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  height: 50px;
}

.logo-img {
  height: 50px;
  width: auto;
  max-width: 200px;
  transition: transform 0.3s ease;
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary-color);
}

.btn-register {
  background: var(--gradient-1);
  color: white !important;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-1);
  color: white;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 2rem;
  animation: fadeInUp 1s ease;
}

.hero-theme-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  opacity: 0.98;
  line-height: 1.3;
}

.hero-tagline {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  opacity: 0.9;
  font-style: italic;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.btn-block {
  width: 100%;
  text-align: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-indicator span {
  display: block;
  width: 30px;
  height: 50px;
  border: 2px solid white;
  border-radius: 25px;
  position: relative;
}

.scroll-indicator span::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Styles */
section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-dark);
}

/* Why Attend Section */
.why-attend {
  background: var(--bg-light);
}

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

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* Convener Section */
.convener {
  background: white;
}

.convener-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.convener-name {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.convener-bio {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.convener-read-more {
  background: var(--gradient-1);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.convener-read-more:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.convener-modal-content {
  text-align: left;
}

.convener-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.highlight-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.highlight-icon {
  font-size: 1.5rem;
}

.highlight-text {
  color: var(--text-light);
}

.convener-image {
  position: relative;
}

.convener-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
}

.placeholder-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gradient-1);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
}

/* Speakers Section */
.speakers {
  background: var(--bg-light);
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.speaker-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.speaker-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.speaker-card.featured {
  border: 3px solid var(--primary-color);
}

.speaker-image {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.speaker-image .placeholder-image {
  border-radius: 0;
  height: 100%;
}

.speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panelist-card {
  cursor: pointer;
}

.panelist-social-links {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.panelist-social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-light);
  border-radius: 50%;
  color: var(--text-dark);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.panelist-social-links a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: white;
  margin: auto;
  padding: 0;
  border-radius: 20px;
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--text-light);
  font-size: 2rem;
  font-weight: 300;
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: var(--primary-color);
  color: white;
  transform: rotate(90deg);
}

.modal-body {
  padding: 3rem;
}

.modal-panelist-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 2rem;
  display: block;
  box-shadow: var(--shadow-lg);
}

.modal-panelist-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 1rem;
}

.modal-panelist-bio {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.modal-panelist-bio p {
  margin-bottom: 1rem;
}

.modal-social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.modal-social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--bg-light);
  border-radius: 50%;
  color: var(--text-dark);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.5rem;
}

.modal-social-links a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.social-links i {
  font-size: 1.2rem;
}

.speaker-info {
  padding: 1.5rem;
}

.speaker-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.speaker-info p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.keynote-speaker {
  margin-top: 3rem;
  text-align: center;
}

.keynote-badge {
  display: inline-block;
  background: var(--gradient-2);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Sponsors Section */
.sponsors {
  background: white;
}

.sponsors-intro {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 1rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.sponsor-logo {
  background: var(--bg-light);
  border-radius: 15px;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  transition: transform 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}

.sponsor-logo:hover {
  transform: scale(1.05);
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.sponsor-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.placeholder-logo {
  color: var(--text-light);
  font-weight: 600;
}

/* Event Details Section */
.event-details {
  background: var(--bg-light);
}

.details-intro {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.detail-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

.detail-card:hover {
  transform: translateY(-5px);
}

.detail-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.detail-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.detail-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.detail-card small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

.accessibility-note {
  text-align: center;
  color: var(--text-light);
  margin-top: 2rem;
  font-style: italic;
}

/* Schedule Section */
.schedule {
  background: white;
}

.schedule-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 3rem;
}

.schedule-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-1);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.5rem;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-time {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.timeline-content p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Community Section */
.community {
  background: var(--bg-light);
}

.community-intro {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.community-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.community-feature {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.community-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.community-feature h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.community-feature p {
  color: var(--text-light);
  line-height: 1.6;
}

.community-cta {
  text-align: center;
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.community-cta p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.community-cta .btn-primary {
  background: var(--gradient-1);
  color: white;
  border: none;
}

.community-cta .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Registration Section */
.register {
  background: var(--gradient-1);
  color: white;
}

.register .section-title {
  color: white;
}

.register-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: stretch;
}

.register-text {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.register-description {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  opacity: 0.95;
}

.register-benefits {
  list-style: none;
  margin-bottom: 2rem;
}

.register-benefits li {
  padding: 0.75rem 0;
  opacity: 0.95;
}

.register-cta-text {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1.5rem;
}

.register-form-container {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
}

.register-form h3 {
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
}

/* Ticket Pricing Cards */
.ticket-prices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.ticket-price-card {
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.ticket-price-card h3 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.ticket-amount {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin: 0.5rem 0;
}

.ticket-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.ticket-cta-box {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.ticket-cta-box h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.ticket-cta-box p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  flex-grow: 1;
}

.ticket-cta-box .btn-primary {
  background: var(--gradient-1);
  color: white;
  border: none;
}

.ticket-cta-box .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 1rem;
  text-decoration: none;
}

.footer-logo-img {
  height: 50px;
  width: auto;
  max-width: 200px;
  transition: opacity 0.3s ease;
}

.footer-logo:hover .footer-logo-img {
  opacity: 0.8;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-links a {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  transition: background 0.3s ease;
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .logo-img {
    height: 40px;
    max-width: 150px;
  }

  .footer-logo-img {
    height: 40px;
    max-width: 150px;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    gap: 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.3rem;
  }

  .hero-tagline {
    font-size: 1.1rem;
  }

  .hero-theme-badge {
    font-size: 0.8rem;
    padding: 0.4rem 1.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .convener-content,
  .register-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .features-grid,
  .speakers-grid,
  .details-grid,
  .community-features {
    grid-template-columns: 1fr;
  }

  .schedule-timeline {
    padding-left: 2rem;
  }

  .timeline-item {
    padding-left: 2rem;
  }

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

  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .hero-theme-badge {
    font-size: 0.75rem;
    padding: 0.35rem 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .container {
    padding: 0 15px;
  }

  section {
    padding: 3rem 0;
  }

  .modal-content {
    width: 95%;
    max-height: 95vh;
  }

  .modal-body {
    padding: 2rem 1.5rem;
  }

  .modal-panelist-image {
    width: 150px;
    height: 150px;
  }

  .modal-panelist-name {
    font-size: 1.5rem;
  }
}