/* ============================================
   SHAMBA NETWORK — Responsive Breakpoints
   ============================================ */

/* === Max 1280px === */
@media (max-width: 1280px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* === Max 1024px === */
@media (max-width: 1024px) {
  :root {
    --section-padding: 4rem 1.5rem;
  }

  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

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

  .steps::before { display: none; }

  .cta-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    padding-left: 3.5rem;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 20px;
  }
}

/* === Max 768px === */
@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 1rem;
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }

  /* Navigation */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: rgba(15, 7, 46, 0.98);
    backdrop-filter: var(--glass-blur);
    padding: 5rem 2rem 2rem;
    gap: 1rem;
    transition: right var(--transition-medium);
    border-left: 1px solid var(--glass-border);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.5rem 0;
  }

  .mobile-toggle {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 7rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  /* Trust bar */
  .trust-logos {
    gap: 1.5rem;
  }

  .trust-logo {
    font-size: 0.95rem;
  }

  /* Stats */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Partners */
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Tabs */
  .tabs {
    gap: 0.3rem;
  }

  .tab-btn {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }

  /* Page header */
  .page-header {
    padding: 8rem 1.5rem 3rem;
  }

  /* Architecture */
  .arch-layer {
    flex-direction: column;
  }

  /* Case study metrics */
  .case-study-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .case-study-metric {
    text-align: left;
  }

  /* Table scroll */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .data-table {
    min-width: 600px;
  }
}

/* === Max 480px === */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

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

  .stat-number {
    font-size: 1.75rem;
  }

  .stat-card {
    padding: 1.25rem 1rem;
  }

  .grid-4 { grid-template-columns: 1fr; }

  .glass-card {
    padding: 1.5rem;
  }

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

  .partner-card {
    padding: 1.25rem 0.75rem;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .cta-card {
    padding: 2rem 1.5rem;
  }
}