/* ===========================
   Responsive: Tablet (1024px)
   =========================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-summary {
    margin: 0 auto 32px;
  }

  .hero-actions {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .project-card.featured {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  .mission-pillars {
    grid-template-columns: 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ===========================
   Responsive: Mobile (768px)
   =========================== */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-motto {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 36px;
  }

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

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

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

  .opendata-card--featured {
    grid-column: span 1;
  }

  .about-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .mission-card blockquote {
    padding: 24px;
  }

  .scroll-indicator {
    display: none;
  }

  .timeline {
    padding-left: 32px;
  }

  .timeline-milestones {
    padding-left: 60px;
  }

  .milestone-year {
    left: -60px;
    width: 40px;
    font-size: 0.75rem;
  }
}

/* ===========================
   Responsive: Small (480px)
   =========================== */
@media (max-width: 480px) {
  .hero-name {
    font-size: 2rem;
  }

  .avatar-placeholder {
    width: 160px;
    height: 160px;
    font-size: 2.5rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 16px;
  }

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

  .sr-card {
    flex-direction: column;
    gap: 16px;
  }
}