/* responsive.css */
/* ==========================================
   RESPONSIVE - Mobile & Tablet Breakpoints
   ========================================== */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    order: 2;
  }

  .hero-image-wrap {
    order: 1;
  }

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

  .hero-tagline {
    margin-left: auto;
    margin-right: auto;
  }

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

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

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

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

  .flagship-top-grid {
    grid-template-columns: 1fr;
  }

  .flagship-shell-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .flagship-head-summary {
    max-width: none;
  }

  .flagship-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flagship-system-grid {
    grid-template-columns: 1fr;
  }

  .flagship-engineering-grid {
    grid-template-columns: 1fr;
  }

  .metrics-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.95);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 12px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    width: 100%;
    justify-content: flex-start;
  }

  .nav-toggle {
    display: flex;
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 70px 0;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding-top: 60px;
    min-height: auto;
    padding-bottom: 80px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-image-card {
    width: 260px;
    height: 300px;
  }

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

  .section-title {
    font-size: 1.8rem;
  }

  .about-line {
    font-size: 1rem;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

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

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

  .timeline {
    padding-left: 36px;
  }

  .timeline-line {
    left: 8px;
  }

  .timeline-dot {
    left: -34px;
    width: 10px;
    height: 10px;
  }

  .timeline-dot-ring {
    inset: -3px;
  }

  .timeline-card {
    padding: 20px;
  }

  .education-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px;
  }

  .edu-results {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .result-top {
    text-align: left;
  }

  .result-actions {
    flex-wrap: wrap;
  }

  .modal-content {
    padding: 24px;
    width: 95%;
  }

  .modal-actions {
    flex-direction: column;
  }

  .chat-panel {
    width: calc(100vw - 48px);
    right: -8px;
  }

  .navbar {
    width: calc(100% - 16px);
    top: 8px;
  }

  .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
  }

  .scroll-indicator {
    display: none;
  }

  .project-filter {
    gap: 6px;
  }

  .flagship-shell {
    padding: 22px 16px;
  }

  .mockup-screen {
    height: 300px;
  }

  .flagship-feature-grid {
    grid-template-columns: 1fr;
  }

  .metrics-panel {
    grid-template-columns: 1fr;
  }

  .flagship-content h3 {
    font-size: 1.2rem;
  }

  .flagship-toggle {
    width: 100%;
    text-align: center;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  .cert-category-title {
    font-size: 1rem;
  }

  .sigma-card {
    padding: 1.5rem 1rem;
  }

  .sigma-intro {
    font-size: 1rem;
  }

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

  .footer-links {
    gap: 8px;
  }

  .footer-brand {
    font-size: 0.95rem;
  }
}

@media (max-width: 380px) {
  .hero-title {
    font-size: 1.5rem;
  }

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

  .stat-number {
    font-size: 1.6rem;
  }

  .project-filter {
    flex-direction: column;
    align-items: center;
  }
}