/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 8rem 2rem 4rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.hero-btn {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hero-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1rem;
  opacity: 0.9;
}

.price-amount {
  font-size: 2rem;
  font-weight: 700;
  color: #fbbf24;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.learning-list {
  list-style: none;
  padding: 0;
}

.learning-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.learning-list i {
  color: var(--accent-color);
  font-size: 0.875rem;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.info-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-card h4 i {
  color: var(--primary-color);
}

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

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.info-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}

/* Program Section */
.program-section {
  background: var(--bg-secondary);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.program-day {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.day-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
}

.day-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.day-theme {
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.875rem;
}

.day-schedule {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.time {
  min-width: 60px;
  font-weight: 600;
  color: var(--primary-color);
  font-size: 0.875rem;
}

.activity {
  flex: 1;
}

.activity h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.activity p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.speaker {
  display: inline-block;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Speakers Section */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.speaker-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.speaker-image {
  margin-bottom: 1.5rem;
}

.speaker-image img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary-color);
}

.speaker-info h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.speaker-title {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.speaker-institution {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.speaker-bio {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.875rem;
}

/* Pricing Section */
.pricing-section {
  background: var(--bg-primary);
}

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

.pricing-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.pricing-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.pricing-header h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.period {
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.pricing-features i.fa-check {
  color: var(--accent-color);
}

.pricing-features i.fa-times {
  color: var(--text-secondary);
}

.pricing-btn {
  width: 100%;
  padding: 1rem;
  font-weight: 600;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 4rem 0;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-btn {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
}

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

.cta-btn.btn-primary:hover {
  background: #f8fafc;
}

.cta-btn.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.cta-btn.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-section p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-section i {
  color: var(--primary-color);
}

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

.social-links a {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
}

.social-links a:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--bg-primary);
  margin: 2% auto;
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

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

.modal-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: 2rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Notification */
.notification {
  position: fixed;
  top: 100px;
  right: 2rem;
  z-index: 3000;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 1rem 1.5rem;
  min-width: 300px;
  transform: translateX(400px);
  transition: transform 0.3s ease;
}

.notification.show {
  transform: translateX(0);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.notification-icon {
  font-size: 1.25rem;
}

.notification-message {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.notification-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.notification.success .notification-icon {
  color: var(--accent-color);
}

.notification.error .notification-icon {
  color: #ef4444;
}

.notification.info .notification-icon {
  color: var(--primary-color);
}

/* Responsive Design */

/* Large screens */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .section-header h2 {
    font-size: 3rem;
  }
}

/* Medium screens - Tablets */
@media (max-width: 1024px) {
  .nav-container {
    padding: 1rem 1.5rem;
  }

  .nav-menu {
    gap: 1.5rem;
  }

  .hero-banner {
    padding: 6rem 1.5rem 3rem;
  }

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

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .program-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }

  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* Small tablets and large phones */
@media (max-width: 768px) {
  /* Navigation */
  .navbar {
    padding: 0;
    background: rgba(255, 255, 255, 0.98);
  }

  .nav-container {
    flex-wrap: wrap;
    padding: 1rem 1.5rem;
    gap: 1rem;
  }

  .nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
  }

  .nav-logo i {
    font-size: 1.8rem;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.98);
    border-radius: 0 0 16px 16px;
  }

  .nav-menu.active {
    display: flex;
    animation: slideDown 0.3s ease;
  }

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

  .nav-toggle {
    display: block;
    order: 3;
  }

  .nav-logo {
    order: 1;
  }

  .nav-btn {
    order: 2;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    margin-left: auto;
  }

  .nav-menu {
    order: 4;
  }

  .nav-link {
    padding: 1rem 1.5rem;
    text-align: center;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.04);
    margin: 0.25rem 0;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    background: rgba(102, 126, 234, 0.12);
    transform: translateX(4px);
  }

  .nav-link::before {
    display: none;
  }
  /* Hero */
  .hero-banner {
    padding: 5rem 1rem 3rem;
    margin-top: 30px;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.1;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .hero-info {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .info-item {
    justify-content: center;
    font-size: 0.8rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .hero-btn {
    width: 100%;
    max-width: 280px;
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }

  .hero-price {
    flex-direction: column;
    gap: 0.25rem;
  }

  .price-amount {
    font-size: 1.75rem;
  }

  /* Sections */
  .section {
    padding: 3rem 0;
  }

  .container {
    padding: 0 1rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-header h2 {
    font-size: 2rem;
    line-height: 1.2;
  }

  .section-header p {
    font-size: 1rem;
  }

  /* About section */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-content h3 {
    font-size: 1.25rem;
  }

  .learning-list li {
    font-size: 0.9rem;
  }

  /* Program section */
  .program-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .program-day {
    padding: 1.5rem;
  }

  .day-header h3 {
    font-size: 1.25rem;
  }

  .day-theme {
    font-size: 0.8rem;
  }

  .schedule-item {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
  }

  .time {
    min-width: auto;
    font-size: 0.8rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    align-self: flex-start;
  }

  .activity h4 {
    font-size: 0.95rem;
  }

  .activity p {
    font-size: 0.8rem;
  }

  .speaker {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  /* Speakers section */
  .speakers-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .speaker-card {
    padding: 1.5rem;
  }

  .speaker-image img {
    width: 100px;
    height: 100px;
  }

  .speaker-info h4 {
    font-size: 1.125rem;
  }

  .speaker-title,
  .speaker-institution,
  .speaker-bio {
    font-size: 0.85rem;
  }

  /* Pricing section */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .pricing-card {
    padding: 1.5rem;
  }

  .pricing-card.featured {
    transform: none;
    order: -1;
  }

  .pricing-header h4 {
    font-size: 1.25rem;
  }

  .amount {
    font-size: 2rem;
  }

  .pricing-features {
    font-size: 0.9rem;
  }

  /* CTA section */
  .cta-content h2 {
    font-size: 2rem;
    line-height: 1.2;
  }

  .cta-content p {
    font-size: 1rem;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .cta-btn {
    width: 100%;
    max-width: 280px;
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-section h4 {
    font-size: 1rem;
  }

  .footer-section p {
    font-size: 0.875rem;
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }

  /* Modal */
  .modal-content {
    margin: 5% auto;
    width: 95%;
  }

  .modal-header {
    padding: 1rem 1.5rem;
  }

  .modal-body {
    padding: 1.5rem;
  }

  .modal-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .modal-actions .btn {
    width: 100%;
  }

  /* Notification */
  .notification {
    right: 1rem;
    left: 1rem;
    min-width: auto;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  /* Navigation */
  .nav-container {
    padding: 0.875rem 1rem;
    gap: 0.75rem;
  }

  .nav-logo {
    font-size: 1.3rem;
    font-weight: 800;
  }

  .nav-logo i {
    font-size: 1.6rem;
  }

  .nav-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
  }

  .nav-link {
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
    margin: 0.2rem 0;
  }

  .nav-menu {
    padding: 1.25rem 0;
    gap: 0.25rem;
  }

  /* Hero */
  .hero-banner {
    padding: 4rem 0.75rem 2.5rem;
  
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
  }

  .info-item {
    font-size: 0.75rem;
  }

  .hero-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
  }

  .price-amount {
    font-size: 1.5rem;
  }

  /* Sections */
  .section {
    padding: 2.5rem 0;
  }

  .container {
    padding: 0 0.75rem;
  }

  .section-header {
    margin-bottom: 1.5rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .section-header p {
    font-size: 0.9rem;
  }

  /* About section */
  .about-content h3 {
    font-size: 1.125rem;
  }

  .about-content p {
    font-size: 0.9rem;
  }

  .learning-list li {
    font-size: 0.85rem;
  }

  .info-card {
    padding: 1.25rem;
  }

  .info-card h4 {
    font-size: 1rem;
  }

  .info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.5rem 0;
  }

  .info-label,
  .info-value {
    font-size: 0.85rem;
  }

  /* Program section */
  .program-day {
    padding: 1.25rem;
  }

  .day-header {
    margin-bottom: 1.5rem;
  }

  .day-header h3 {
    font-size: 1.125rem;
  }

  .day-schedule {
    gap: 1.25rem;
  }

  .schedule-item {
    padding: 1rem;
  }

  .time {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
  }

  .activity h4 {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
  }

  .activity p {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
  }

  /* Speakers section */
  .speaker-card {
    padding: 1.25rem;
  }

  .speaker-image {
    margin-bottom: 1rem;
  }

  .speaker-image img {
    width: 80px;
    height: 80px;
  }

  .speaker-info h4 {
    font-size: 1rem;
  }

  .speaker-title,
  .speaker-institution,
  .speaker-bio {
    font-size: 0.8rem;
  }

  /* Pricing section */
  .pricing-card {
    padding: 1.25rem;
  }

  .pricing-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
  }

  .pricing-header h4 {
    font-size: 1.125rem;
  }

  .amount {
    font-size: 1.5rem;
  }

  .period {
    font-size: 0.8rem;
  }

  .pricing-features {
    margin-bottom: 1.5rem;
  }

  .pricing-features li {
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
  }

  .pricing-btn {
    padding: 0.75rem;
    font-size: 0.9rem;
  }

  /* CTA section */
  .cta-section {
    padding: 3rem 0;
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }

  .cta-content p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }

  .cta-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
  }

  /* Footer */
  .footer {
    padding: 2rem 0 1rem;
  }

  .footer-content {
    gap: 1.25rem;
  }

  .footer-section h4 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
  }

  .footer-section p {
    font-size: 0.8rem;
  }

  .social-links a {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .footer-bottom {
    font-size: 0.8rem;
    padding-top: 1.5rem;
  }

  /* Modal */
  .modal-header {
    padding: 1rem;
  }

  .modal-header h3 {
    font-size: 1.25rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .form-group {
    margin-bottom: 1.25rem;
  }

  .form-group label {
    font-size: 0.9rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 0.6rem;
    font-size: 0.9rem;
  }
}

/* Extra small screens */
@media (max-width: 360px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .hero-btn,
  .cta-btn {
    font-size: 0.8rem;
    padding: 0.7rem 1rem;
  }

  .program-day,
  .speaker-card,
  .pricing-card {
    padding: 1rem;
  }

  .info-card {
    padding: 1rem;
  }

  .amount {
    font-size: 1.5rem;
  }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-banner {
    padding: 3rem 1rem 2rem;
    margin-top: 80px;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }

  .hero-info {
    margin-bottom: 1.25rem;
  }

  .hero-actions {
    flex-direction: row;
    gap: 1rem;
  }

  .hero-btn {
    flex: 1;
    max-width: 200px;
  }

  .section {
    padding: 2rem 0;
  }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .speaker-image img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Hover effects only on non-touch devices */
@media (hover: hover) and (pointer: fine) {
  .nav-link:hover,
  .hero-btn:hover,
  .speaker-card:hover,
  .pricing-card:hover,
  .cta-btn:hover {
    transform: translateY(-2px);
  }

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

/* Touch devices - remove hover effects and improve touch targets */
@media (hover: none) and (pointer: coarse) {
  .nav-link,
  .hero-btn,
  .pricing-btn,
  .cta-btn {
    min-height: 44px;
  }

  .speaker-card,
  .pricing-card {
    transition: none;
  }

  .speaker-card:hover,
  .pricing-card:hover {
    transform: none;
  }

  .modal-close,
  .notification-close {
    min-width: 44px;
    min-height: 44px;
  }
}

/* Print styles */
@media print {
  .navbar,
  .hero-actions,
  .cta-section,
  .footer {
    display: none;
  }

  .hero-banner {
    background: none;
    color: black;
    padding: 2rem 0;
  }

  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }

  .speaker-card,
  .pricing-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}