/* =============================================================
   MOBILE RESPONSIVE — COMPLETE OVERHAUL
   All fixes for product.html, nav, gallery, tabs, footer, etc.
   Breakpoints: 1200 | 960 | 768 | 640 | 480 | 380
   ============================================================= */

/* ---- Prevent horizontal overflow globally ---- */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

*, *::before, *::after {
  box-sizing: border-box;
}

/* ---- Container: safe padding on small screens ---- */
.container {
  padding: 0 1.5rem;
}

/* ============================================================
   ANNOUNCEMENT BAR — scroll on tiny screens
   ============================================================ */
.announcement-bar {
  white-space: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  text-overflow: clip;
}
.announcement-bar::-webkit-scrollbar { display: none; }

/* ============================================================
   NAVBAR — Mobile
   ============================================================ */
@media (max-width: 960px) {
  .nav-inner {
    padding: 0 1.2rem;
    height: 64px;
    grid-template-columns: 1fr auto;
  }

  .nav-logo .brand { font-size: 1.5rem; }

  .nav-menu,
  .nav-cta,
  .nav-auth-link,
  .nav-actions-divider { display: none !important; }

  .nav-actions {
    gap: 0.2rem;
  }

  /* Keep search, wishlist, cart icons on mobile */
  .nav-icon-btn {
    width: 36px;
    height: 36px;
  }

  .hamburger { display: flex; }
}

@media (max-width: 480px) {
  .nav-inner { padding: 0 1rem; height: 58px; }
  .nav-logo .brand { font-size: 1.3rem; }
  .nav-logo .tagline { display: none; }
}

/* ============================================================
   MOBILE MENU — Proper layout
   ============================================================ */
.mobile-menu {
  width: 100%;
}

.mobile-menu-inner {
  padding: 1rem 1.2rem 1.5rem;
}

.mobile-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  padding-top: 1rem;
  margin-top: 0.6rem;
  border-top: 1px solid var(--border);
}

.mobile-actions-row a {
  flex: unset !important;
  text-align: center;
  padding: 0.55rem 0.5rem !important;
  border: 1px solid var(--border) !important;
  border-radius: 4px !important;
  border-bottom: 1px solid var(--border) !important;
  font-size: 0.72rem !important;
}

/* ============================================================
   PAGE HERO
   ============================================================ */
@media (max-width: 768px) {
  .page-hero { padding: 3rem 0 2rem; }
  .page-hero h1 { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .page-hero p { font-size: 0.88rem; padding: 0 0.5rem; }
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
@media (max-width: 480px) {
  .breadcrumb-inner {
    font-size: 0.72rem;
    flex-wrap: wrap;
    gap: 0.3rem;
    padding: 0.8rem 1rem;
  }
}

/* ============================================================
   PRODUCT DETAIL GRID — the critical fix
   ============================================================ */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 960px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ============================================================
   PRODUCT GALLERY — Responsive
   ============================================================ */
.product-gallery {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  /* Gallery only occupies col 1 */
}

@media (max-width: 960px) {
  .product-gallery {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .gallery-thumbs {
    display: flex;
    flex-direction: row;
    gap: 0.6rem;
    order: 2;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .gallery-thumbs::-webkit-scrollbar { display: none; }

  .gallery-main { order: 1; }

  .gallery-thumb {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .gallery-thumb { width: 54px; height: 54px; }

  .gallery-main {
    aspect-ratio: 4/3;
    border-radius: 4px;
    overflow: hidden;
  }

  #gallery-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

/* ============================================================
   PRODUCT DETAIL INFO
   ============================================================ */
@media (max-width: 960px) {
  .product-detail-info { padding-left: 0; }
}

@media (max-width: 640px) {
  .product-detail-name { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  .product-detail-price {
    gap: 0.7rem;
    flex-wrap: wrap;
  }
  .product-detail-price .price-current { font-size: 1.7rem; }
}

/* ============================================================
   PRODUCT CTA ROW — Add to cart + qty
   ============================================================ */
.product-cta-row {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1.8rem;
  flex-wrap: wrap;
}

.btn-add-to-cart { flex: 1; min-width: 0; }

@media (max-width: 480px) {
  .product-cta-row {
    gap: 0.6rem;
  }

  .qty-input {
    width: 100%;
    justify-content: center;
    order: 1;
  }

  .btn-add-to-cart {
    flex: 1;
    order: 2;
    padding: 0.85rem 1rem;
    font-size: 0.75rem;
    justify-content: center;
  }

  .btn-wishlist-icon {
    order: 3;
    flex-shrink: 0;
  }

  .btn-buy-now {
    width: 100%;
    justify-content: center;
    margin-top: 0.8rem;
    padding: 0.9rem 1rem;
    font-size: 0.75rem;
  }
}

/* ============================================================
   TRUST BADGES
   ============================================================ */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  .trust-badges {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
  }

  .trust-badge span {
    font-size: 0.62rem;
  }

  .trust-badge-icon {
    width: 34px;
    height: 34px;
  }
}

@media (max-width: 360px) {
  .trust-badges { grid-template-columns: 1fr; }
  .trust-badge { flex-direction: row; text-align: left; gap: 0.8rem; }
}

/* ============================================================
   PRODUCT TABS — Scrollable on mobile
   ============================================================ */
.tab-nav {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 2px solid var(--border);
  gap: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  flex-shrink: 0;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .tab-btn {
    padding: 0.7rem 1rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 480px) {
  .tab-btn {
    padding: 0.65rem 0.8rem;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
  }

  .tab-content { font-size: 0.85rem; }

  .spec-table td { font-size: 0.8rem; padding: 0.6rem 0.7rem; }
}

/* ============================================================
   REVIEW SUMMARY — Stack on mobile
   ============================================================ */
@media (max-width: 640px) {
  .review-summary {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }

  .review-score-block { text-align: left; }
  .review-bars { width: 100%; }
}

/* ============================================================
   COLOR SWATCHES & SIZE OPTIONS
   ============================================================ */
.color-swatches { flex-wrap: wrap; }

@media (max-width: 480px) {
  .size-options { gap: 0.4rem; }
  .size-option { padding: 0.4rem 0.7rem; font-size: 0.75rem; }
}

/* ============================================================
   REVIEWS 2-COL GRID — 1 col on mobile
   ============================================================ */
@media (max-width: 640px) {
  .reviews-grid-2col {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RELATED PRODUCTS GRID
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

@media (max-width: 420px) {
  .products-grid { grid-template-columns: 1fr; }
}

/* Product card adjustments */
@media (max-width: 640px) {
  .product-info { padding: 1rem; }
  .product-name { font-size: 1rem; }
  .price-current { font-size: 1.1rem; }
  .product-add-btn { padding: 0.55rem; font-size: 0.72rem; }
}

/* ============================================================
   SECTION PADDING — reduce on mobile
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .section-header { margin-bottom: 2.5rem; }
  .section-title { font-size: clamp(1.8rem, 5vw, 2.6rem); }
}

@media (max-width: 480px) {
  .section { padding: 2.5rem 0; }
  .container { padding: 0 1rem; }
}

/* ============================================================
   FOOTER — Full mobile rework
   ============================================================ */
@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
  }

  .footer-brand { grid-column: auto; }

  footer { padding: 3rem 0 0; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1.2rem 0;
  }

  .footer-bottom-links {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .footer-bottom p,
  .footer-bottom-links a { font-size: 0.72rem; }

  .social-links { gap: 0.5rem; }
  .social-link { width: 34px; height: 34px; }
}

/* ============================================================
   BACK TO TOP — don't overlap content on mobile
   ============================================================ */
@media (max-width: 640px) {
  .back-to-top {
    bottom: 1.2rem;
    right: 1.2rem;
    width: 42px;
    height: 42px;
  }
}

/* ============================================================
   TOAST — full width on tiny screens
   ============================================================ */
@media (max-width: 480px) {
  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 4rem;
  }

  .toast {
    max-width: 100%;
    width: 100%;
  }
}

/* ============================================================
   LIGHTBOX — full screen on mobile
   ============================================================ */
@media (max-width: 640px) {
  .lightbox-inner {
    max-width: 100vw;
    max-height: 100vh;
    padding: 1rem;
  }

  .lightbox-image {
    max-width: 95vw;
    max-height: 80vh;
  }

  .lightbox-close {
    top: -2rem;
    right: 0;
    font-size: 1.3rem;
  }
}

/* ============================================================
   GALLERY ZOOM BTN — always visible on touch devices
   ============================================================ */
@media (hover: none) {
  .gallery-zoom-btn { opacity: 1; }
  .product-actions { transform: translateY(0) !important; }
}

/* ============================================================
   SPEC TABLE — responsive on small screens
   ============================================================ */
@media (max-width: 480px) {
  .spec-table { display: block; overflow-x: auto; }
  .spec-table td:first-child { width: 45%; min-width: 120px; }
}

/* ============================================================
   QTY INPUT — min touch target
   ============================================================ */
@media (max-width: 480px) {
  .qty-btn { width: 42px; height: 42px; font-size: 1.2rem; }
  .qty-value { font-size: 1rem; }
}

/* ============================================================
   BUTTONS — safe min height for touch
   ============================================================ */
@media (max-width: 768px) {
  .btn-primary,
  .btn-outline {
    padding: 0.85rem 1.5rem;
    font-size: 0.78rem;
    min-height: 46px;
  }
}

/* ============================================================
   PRODUCT ACTIONS — show on touch (no hover)
   ============================================================ */
@media (hover: none) and (pointer: coarse) {
  .product-card .product-actions {
    transform: translateY(0);
    background: linear-gradient(to top, rgba(28,16,7,0.45), transparent);
  }
}

/* ============================================================
   SECTION EYEBROW — smaller on mobile
   ============================================================ */
@media (max-width: 480px) {
  .section-eyebrow {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
  }
  .section-eyebrow::before,
  .section-eyebrow::after { width: 18px; }
}

/* ============================================================
   PRODUCT CATEGORY + RATING
   ============================================================ */
@media (max-width: 480px) {
  .product-rating--spaced { flex-wrap: wrap; gap: 0.3rem; }
  .review-link { margin-left: 0; }
  .stock-status { font-size: 0.8rem; }
  .option-label { font-size: 0.72rem; }
}