/* =========================================
   responsive.css — Mobile-first breakpoints
  PMLAB portfolio website
   ========================================= */

/* ============================================
   TABLET — max-width: 1024px
============================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

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

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

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

  .contact-grid {
    gap: 3rem;
  }
}

/* ============================================
   TABLET PORTRAIT — max-width: 768px
============================================ */
@media (max-width: 768px) {
  :root {
    --logo-intro-scale-start: 4.0;
    --logo-intro-range: 400;
  }

  .nav-logo {
    transform: none;
  }

  .brand-logo {
    width: 74px;
    height: 74px;
  }

  .brand-sub {
    font-size: 0.5rem;
    max-width: 110px;
  }

  /* --- Nav --- */
  .hamburger {
    display: flex;
  }

  #nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: rgba(11, 11, 15, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-card);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--t-mid);
    z-index: var(--z-overlay);
  }

  #nav-menu.open {
    transform: translateX(0);
  }

  .nav-menu a {
    font-size: 1.1rem;
  }

  .nav-cta {
    padding: 0.75rem 1.6rem;
  }

  /* --- Hero --- */
  .hero-headline {
    font-size: clamp(3rem, 13vw, 5rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .hero-actions .btn {
    width: auto;
  }

  /* --- About --- */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-stats {
    position: static;
    flex-direction: row;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 1rem;
  }

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

  /* --- Gallery --- */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }

  .gallery-item.span-2 {
    grid-column: span 1;
  }

  /* --- Blog --- */
  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* --- Contact --- */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

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

  /* --- Lightbox nav buttons --- */
  .lb-prev { left: 0.5rem; }
  .lb-next { right: 0.5rem; }
}

/* ============================================
   MOBILE — max-width: 480px
============================================ */
@media (max-width: 480px) {
  :root {
    --logo-intro-scale-start: 3.2;
    --logo-intro-range: 300;
  }

  /* --- Gallery --- */
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .gallery-item.span-row-2 {
    grid-row: span 1;
  }

  /* --- Portfolio filters — allow horizontal scroll --- */
  .portfolio-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
  }

  .portfolio-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex-shrink: 0;
  }

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

  /* --- Video modal --- */
  .vm-inner {
    width: 95vw;
    border-radius: var(--radius-md);
  }

  .vm-info {
    padding: 0.9rem 1.1rem 1.2rem;
  }

  /* --- Hero --- */
  .scroll-indicator {
    display: none;
  }

  /* --- About stats --- */
  .about-stats {
    gap: 0.5rem;
  }

  .stat-card {
    padding: 0.7rem 0.9rem;
    min-width: 90px;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

/* ============================================
   REDUCED MOTION
============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-bg {
    transform: none !important;
  }

  [data-parallax] {
    transform: none !important;
  }

  #logo-intro {
    display: none !important;
  }

  .hero-content,
  .scroll-indicator {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================
   PRINT
============================================ */
@media print {
  #navbar,
  .scroll-indicator,
  #lightbox,
  #video-modal,
  .hero-actions,
  .contact-form {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}