/**
 * Syllabix - Responsive Layouts & Mobile Navigation
 * Full touch optimization and multi-screen ergonomics
 * Designed for GDC RIT Dubai × +TWE DesignAthon 2026
 */

/* ==========================================================================
   Mobile Navigation Drawer
   ========================================================================== */

.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background-color: var(--bg-surface);
  z-index: 500;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-smooth), opacity var(--transition-normal);
}

.mobile-nav-drawer.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-links a {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-links a.active {
  color: var(--primary);
  background-color: var(--primary-light);
}

.mobile-nav-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

/* Tablet & Mobile (< 1024px) */
@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .radar-dashboard-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .creator-card {
    grid-column: span 2;
  }

  .tour-card,
  .tour-card.position-left-top {
    top: auto;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    max-width: calc(100% - 3rem);
    margin: 0 auto;
  }
}

/* Mobile Devices (< 768px) */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .nav-container {
    height: 4rem;
  }

  .page-hero {
    padding: 3rem 0 2rem;
  }

  .page-title {
    font-size: 2.2rem;
  }

  .page-subtitle {
    font-size: 1rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .radar-main-card {
    padding: 1.25rem;
  }

  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .timeline-item-right {
    width: 100%;
    justify-content: space-between;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-subtle);
  }

  .squads-cards-grid {
    grid-template-columns: 1fr;
  }

  .squads-filter-bar {
    padding: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .creator-card {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .profile-drawer {
    max-width: 100%;
  }

  .modal-content {
    margin: 1rem;
  }

  /* Tour Card on Mobile */
  .tour-card,
  .tour-card.position-left-top {
    top: auto;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    width: auto;
    max-width: calc(100% - 2rem);
    padding: 1.25rem;
  }

  .tour-body h4 {
    font-size: 1.1rem;
  }

  .tour-body p {
    font-size: 0.875rem;
  }
}