/* ════════════════════════════════════════════════════════════════════════════
   responsive.css — Mobile, tablet, and touch device breakpoints
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Tablet (≤ 1024px) ───────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 20px;
  }

  .hero-content {
    padding: 0 20px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .about-avatar-wrap {
    order: -1;
    display: flex;
    justify-content: center;
  }

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

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

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

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

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

  .stats-row {
    gap: 32px;
  }
}

/* ── Mobile (≤ 768px) ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --fs-hero-name:  clamp(2.75rem, 16vw, 4.4rem);
    --fs-hero-sub:   clamp(1rem, 4vw, 1.3rem);
    --fs-section-title: clamp(1.75rem, 8vw, 2.2rem);
    --section-padding: 68px 0;
  }

  /* Navbar */
  .navbar {
    padding: 14px 16px;
  }

  .navbar.scrolled {
    padding: 10px 16px;
  }

  .nav-inner {
    gap: 14px;
  }

  .nav-logo {
    font-size: 1rem;
  }

  .nav-logo-mark {
    width: 30px;
    height: 30px;
  }

  .nav-links-wrap {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 86vw);
    height: 100dvh;
    background: rgba(9,9,11,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 82px 24px 28px;
    gap: 8px;
    transition: right 0.35s cubic-bezier(0.16,1,0.3,1);
    border-left: 1px solid rgba(255,255,255,0.08);
    z-index: 998;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

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

  .nav-link {
    font-size: 1.1rem;
    padding: 10px 0;
    width: 100%;
  }

  .nav-link::after {
    display: none;
  }

  #hamburger {
    display: flex;
  }

  .nav-theme-btn {
    margin-top: 0;
    width: 36px;
    height: 36px;
    justify-content: center;
  }

  .nav-cli-btn {
    height: 36px;
    padding: 0 8px;
    font-size: 0.72rem;
  }

  .nav-cli-badge {
    display: none;
  }

  #terminal-easter-egg {
    width: 100%;
    height: 80vh;
    max-height: 80vh;
    border-radius: var(--radius-md);
  }

  .term-body {
    padding: 12px 14px;
    font-size: 0.78rem;
  }

  /* Hero */
  .hero-section {
    min-height: auto;
    padding: 92px 16px 56px;
    text-align: center;
    align-items: flex-start;
  }

  .hero-grid-bg {
    background-size: 44px 44px;
    opacity: 0.7;
  }

  .hero-blob {
    filter: blur(70px);
  }

  .hero-blob-1 {
    width: 320px;
    height: 320px;
    top: -120px;
    left: -140px;
  }

  .hero-blob-2 {
    width: 280px;
    height: 280px;
    right: -120px;
    bottom: 20px;
  }

  .hero-blob-3 {
    display: none;
  }

  .hero-content {
    width: 100%;
    padding: 0;
  }

  .hero-badge {
    margin: 0 auto 24px;
    max-width: 100%;
    padding: 6px 12px 6px 8px;
    font-size: 0.76rem;
    line-height: 1.25;
  }

  .hero-title {
    letter-spacing: 0;
    margin-bottom: 14px;
  }

  .hero-subtitle {
    min-height: 1.7em;
    margin-bottom: 16px;
  }

  .hero-description {
    font-size: 0.96rem;
    line-height: 1.65;
    margin-bottom: 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 36px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .stats-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    width: 100%;
    padding-top: 24px;
  }

  .stat-item {
    min-width: 0;
  }

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

  .stat-label {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
  }

  .scroll-indicator {
    display: none;
  }

  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-eyebrow {
    letter-spacing: 0.08em;
  }

  .section-title {
    font-size: var(--fs-section-title);
    letter-spacing: 0;
  }

  .section-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-text p {
    font-size: 0.95rem;
  }

  .about-avatar {
    width: 180px;
    height: 180px;
  }

  .about-avatar-frame {
    width: 180px;
    height: 180px;
  }

  .avatar-emoji {
    font-size: 5.2rem;
  }

  .avatar-badge {
    right: 50%;
    bottom: -16px;
    transform: translateX(50%);
  }

  .about-chips {
    justify-content: center;
  }

  /* Skills */
  .skills-categories {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .skill-category {
    padding: 22px;
  }

  .skill-category-title {
    font-size: 0.75rem;
  }

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

  .service-card {
    padding: 24px 20px;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .project-body {
    padding: 20px;
  }

  .project-description {
    line-height: 1.6;
  }

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

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

  /* Printing */
  .materials-grid {
    display: flex;
    flex-wrap: wrap;
  }

  .printer-specs {
    grid-template-columns: 1fr;
  }

  .printing-info-card,
  .printing-cta {
    padding: 24px 20px;
  }

  .printing-service-card {
    align-items: flex-start;
    padding: 18px;
  }

  .ps-icon {
    width: 42px;
    height: 42px;
    font-size: 1.45rem;
  }

  .printing-cta {
    border-radius: var(--radius-lg);
  }

  .printing-cta h3,
  .contact-cta-card h3 {
    font-size: 1.35rem;
    letter-spacing: 0;
  }

  /* YouTube */
  .yt-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .yt-info-card {
    padding: 24px 20px;
  }

  .yt-stats {
    flex-wrap: wrap;
    gap: 18px;
  }

  .yt-embed-wrap {
    aspect-ratio: 16/9;
  }

  /* Timeline */
  .timeline {
    padding-left: 20px;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item {
    padding-left: 28px;
  }

  .timeline-dot {
    left: -7px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .contact-card {
    padding: 20px;
  }

  .contact-cta-card {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  /* Scroll progress */
  #scroll-progress {
    height: 2px;
  }

  #back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }

  #terminal-easter-egg {
    width: 100%;
    max-height: calc(100dvh - 32px);
    overflow: auto;
  }

  .reveal-left,
  .reveal-right {
    transform: translateY(24px);
  }
}

/* ── Small Mobile (≤ 480px) ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  :root {
    --fs-hero-name: clamp(2.45rem, 17vw, 3.4rem);
    --section-padding: 56px 0;
  }

  .navbar {
    padding-inline: 12px;
  }

  .container {
    padding: 0 14px;
  }

  .hero-section {
    padding: 84px 14px 48px;
  }

  .hero-badge {
    border-radius: var(--radius-md);
  }

  .btn {
    padding: 12px 18px;
  }

  .stats-row {
    gap: 14px 10px;
  }

  .section-header {
    margin-bottom: 30px;
  }

  .about-title {
    font-size: 1.65rem;
    letter-spacing: 0;
  }

  .about-chip {
    font-size: 0.78rem;
    padding: 6px 10px;
  }

  .skill-category,
  .service-card,
  .project-body,
  .printing-info-card,
  .yt-info-card,
  .timeline-card {
    padding: 18px;
  }

  .project-img-wrap {
    aspect-ratio: 4/3;
  }

  .project-title,
  .service-title,
  .printer-name {
    font-size: 1rem;
    letter-spacing: 0;
  }

  .printer-brand {
    align-items: flex-start;
  }

  .material-chip,
  .tag {
    white-space: normal;
  }

  .printing-service-card {
    gap: 12px;
  }

  .contact-card {
    align-items: flex-start;
    text-align: left;
    gap: 10px;
  }

  .project-card .btn {
    font-size: 0.8rem;
    padding: 10px 14px;
  }

  .footer {
    padding: 28px 16px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 18px;
  }
}

/* ── Touch Devices — disable mouse effects ───────────────────────────────── */
@media (hover: none) {
  #mouse-spotlight {
    display: none;
  }

  #particle-canvas {
    pointer-events: none;
  }

  .card-hover:hover {
    transform: none;
  }

  .service-card:hover,
  .project-card:hover,
  .printing-service-card:hover,
  .contact-card:hover {
    transform: none;
    box-shadow: var(--shadow-card);
  }

  .project-card:hover .project-img {
    transform: none;
  }

  .btn-primary:hover,
  .btn-secondary:hover {
    transform: none;
    box-shadow: none;
  }
}

/* ── Large Screens (≥ 1400px) ────────────────────────────────────────────── */
@media (min-width: 1400px) {
  :root {
    --container-max: 1280px;
  }

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

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

/* ── Print ───────────────────────────────────────────────────────────────── */
@media print {
  .navbar, #back-to-top, #particle-canvas, #mouse-spotlight,
  #scroll-progress, #terminal-easter-egg {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
}