* { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: Inter, sans-serif; background: #0f0f0e; color: #1a1a18; }

  nav { background: #0f0f0e; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 60px; position: sticky; top: 0; z-index: 100; border-bottom: 0.5px solid rgba(255,255,255,0.07); }
  .nav-logo { font-size: 22px; font-weight: 500; letter-spacing: 4px; color: #fff; text-transform: uppercase; }
  .nav-logo span { color: #e8312a; }
  .nav-links { display: flex; gap: 2rem; font-size: 12px; color: rgba(255,255,255,0.4); letter-spacing: 2px; text-transform: uppercase; }
  .cart-btn { background: #fff; color: #0f0f0e; border: none; border-radius: 6px; padding: 7px 16px; font-size: 13px; font-weight: 600; cursor: pointer; letter-spacing: 0.5px; }
  .cart-btn:hover { background: #e0ddd6; }

  .hero { background: #0f0f0e; color: #fff; padding: 5rem 2rem 4rem; text-align: center; position: relative; overflow: hidden; }
  .hero::before { content: "GMTX"; position: absolute; font-size: 220px; font-weight: 900; color: rgba(255,255,255,0.03); top: 50%; left: 50%; transform: translate(-50%,-50%); letter-spacing: 10px; pointer-events: none; white-space: nowrap; }
  .hero-eyebrow { font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: #e8312a; margin-bottom: 1rem; }
  .hero-title { font-size: 52px; font-weight: 500; letter-spacing: -1.5px; margin-bottom: 1rem; line-height: 1; }
  .hero-title em { font-style: normal; color: rgba(255,255,255,0.35); }
  .hero-sub { font-size: 14px; color: rgba(255,255,255,0.4); letter-spacing: 1px; }

  /* BRAND SECTION — single poster only */
  .brand-section { background: #0f0f0e; padding: 0 2rem 5rem; }
  .brand-tagline { text-align: center; padding: 3rem 2rem 1.5rem; color: rgba(255,255,255,0.2); font-size: 11px; letter-spacing: 4px; text-transform: uppercase; }
  .brand-poster-wrap { max-width: 560px; margin: 0 auto; position: relative; overflow: hidden; cursor: pointer; }
  .brand-poster-wrap img { width: 100%; display: block; transition: transform 0.5s ease; filter: brightness(0.92); }
  .brand-poster-wrap:hover img { transform: scale(1.02); filter: brightness(1); }
  .brand-card-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.5rem; background: linear-gradient(transparent, rgba(0,0,0,0.75)); color: #fff; }
  .brand-card-tag { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: #e8312a; margin-bottom: 4px; }
  .brand-card-title { font-size: 15px; letter-spacing: 1px; color: rgba(255,255,255,0.85); }

  /* PROMO */
  .promo-strip { background: #e8312a; color: #fff; padding: 10px 2rem; display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; align-items: center; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
  .promo-dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255,255,255,0.5); }

  /* PRODUCTS */
  .section { padding: 4rem 2rem; max-width: 1200px; margin: 0 auto; }
  .section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2rem; }
  .section-title { font-size: 11px; font-weight: 500; letter-spacing: 4px; text-transform: uppercase; color: rgba(255,255,255,0.4); }
  .section-count { font-size: 11px; color: rgba(255,255,255,0.2); letter-spacing: 2px; }
  .section-title-ar { font-size: 16px; color: rgba(255,255,255,0.35); direction: rtl; font-family: serif; }

  .products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 2px; }
  .product-card { background: #181816; overflow: hidden; transition: background 0.2s; }
  .product-card:hover { background: #1e1e1c; }
  .product-img-wrapper { position: relative; background: #111; height: 320px; overflow: hidden; }
  .product-img-slides { display: flex; height: 100%; transition: transform 0.3s ease; }
  .product-img-slide { min-width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 20px; }
  .product-img-slide img { max-width: 100%; max-height: 100%; object-fit: contain; }
  .img-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; width: 36px; height: 36px; cursor: pointer; font-size: 18px; display: flex; align-items: center; justify-content: center; z-index: 2; color: #fff; transition: background 0.15s; }
  .img-nav:hover { background: rgba(255,255,255,0.2); }
  .img-nav.prev { left: 0; }
  .img-nav.next { right: 0; }
  .img-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 5px; z-index: 2; }
  .img-dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,0.2); cursor: pointer; border: none; padding: 0; transition: background 0.15s; }
  .img-dot.active { background: #e8312a; }
  .slide-label { position: absolute; top: 12px; right: 12px; font-size: 9px; color: rgba(255,255,255,0.3); letter-spacing: 2px; text-transform: uppercase; }
  .product-badge { position: absolute; top: 12px; left: 12px; font-size: 9px; font-weight: 600; padding: 3px 8px; letter-spacing: 2px; text-transform: uppercase; background: #e8312a; color: #fff; z-index: 2; }
  .product-info { padding: 1.25rem; border-top: 0.5px solid rgba(255,255,255,0.06); }
  .product-name-ar { font-size: 22px; color: #fff; direction: rtl; font-family: serif; margin-bottom: 2px; }
  .product-name { font-size: 12px; color: rgba(255,255,255,0.4); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
  .product-desc { font-size: 11px; color: rgba(255,255,255,0.25); margin-bottom: 14px; letter-spacing: 0.5px; }
  .size-label { font-size: 10px; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,0.3); margin-bottom: 8px; }
  .sizes { display: flex; gap: 6px; margin-bottom: 16px; }
  .size-btn { font-size: 11px; border: 0.5px solid rgba(255,255,255,0.15); padding: 5px 14px; cursor: pointer; background: transparent; color: rgba(255,255,255,0.4); transition: all 0.12s; font-family: inherit; letter-spacing: 1px; }
  .size-btn:hover { border-color: rgba(255,255,255,0.5); color: #fff; }
  .size-btn.selected { background: #e8312a; color: #fff; border-color: #e8312a; }
  .product-footer { display: flex; align-items: center; justify-content: space-between; }
  .product-price { font-size: 16px; font-weight: 500; color: #fff; }
  .add-btn { background: transparent; border: 0.5px solid rgba(255,255,255,0.2); padding: 8px 18px; font-size: 11px; cursor: pointer; color: rgba(255,255,255,0.6); font-family: inherit; letter-spacing: 1px; text-transform: uppercase; transition: all 0.15s; }
  .add-btn:hover { background: #e8312a; border-color: #e8312a; color: #fff; }

  /* ========= BOOK SECTION ========= */
  .book-section { padding: 5rem 2rem; background: #0a0a09; display: flex; flex-direction: column; align-items: center; }
  .book-trigger { display: flex; flex-direction: column; align-items: center; gap: 16px; cursor: pointer; group: true; }
  .book-icon-wrap { position: relative; width: 80px; height: 90px; transition: transform 0.3s ease; }
  .book-trigger:hover .book-icon-wrap { transform: translateY(-4px); }
  .book-icon-wrap svg { width: 80px; height: 90px; }
  .book-label { font-size: 10px; letter-spacing: 4px; text-transform: uppercase; color: rgba(255,255,255,0.3); text-align: center; }
  .book-label span { color: #e8312a; }
  .book-hint { font-size: 11px; color: rgba(255,255,255,0.15); letter-spacing: 2px; margin-top: -8px; }

  /* BOOK MODAL */
  .book-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 500; align-items: center; justify-content: center; padding: 1rem; }
  .book-overlay.open { display: flex; }

  .book { position: relative; width: 680px; max-width: 100%; background: #f4f0e6; border-radius: 2px; box-shadow: -8px 8px 40px rgba(0,0,0,0.8), 8px 8px 40px rgba(0,0,0,0.5); overflow: hidden; max-height: 90vh; display: flex; flex-direction: column; }
  .book::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px; background: linear-gradient(to right, #c8b89a, #e8d8b8, #c8b89a); z-index: 10; box-shadow: 0 0 8px rgba(0,0,0,0.3); }
  .book-spine { position: absolute; left: 0; top: 0; bottom: 0; width: 18px; background: linear-gradient(to right, #8a7055, #b89a78, #c8aa88); z-index: 5; }
  .book-top-ornament { background: #2a1f0f; padding: 14px 28px 14px 38px; display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid #8a7055; flex-shrink: 0; }
  .book-top-title { font-family: Georgia, serif; font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: #c8aa88; }
  .book-close { background: none; border: none; color: #8a7055; font-size: 22px; cursor: pointer; font-family: Georgia, serif; line-height: 1; }
  .book-close:hover { color: #c8aa88; }

  .book-pages { display: flex; overflow-y: auto; flex: 1; }
  .book-page { flex: 1; padding: 3rem 2.5rem 3rem 2rem; background: #f4f0e6; position: relative; }
  .book-page.right-page { padding-left: 3rem; background: #f0ece0; border-left: 1px solid #d4c4a0; }
  .book-page::after { content: ''; position: absolute; top: 0; bottom: 0; right: 0; width: 30px; background: linear-gradient(to right, transparent, rgba(0,0,0,0.04)); pointer-events: none; }
  .book-page.right-page::after { display: none; }

  /* old book typography */
  .chapter-number { font-family: Georgia, "Times New Roman", serif; font-size: 10px; letter-spacing: 5px; text-transform: uppercase; color: #8a7055; margin-bottom: 6px; }
  .chapter-number-ar { font-family: Georgia, serif; font-size: 12px; color: #8a7055; direction: rtl; text-align: right; margin-bottom: 6px; }
  .chapter-ornament { text-align: center; color: #c8aa88; font-size: 18px; margin: 8px 0 20px; letter-spacing: 8px; }
  .chapter-title { font-family: Georgia, "Times New Roman", serif; font-size: 22px; font-weight: normal; color: #2a1f0f; line-height: 1.3; margin-bottom: 6px; font-style: italic; }
  .chapter-title-ar { font-family: Georgia, serif; font-size: 20px; color: #2a1f0f; direction: rtl; text-align: right; margin-bottom: 20px; font-style: italic; }
  .chapter-divider { border: none; border-top: 0.5px solid #c8aa88; margin: 16px 0 20px; }
  .chapter-drop-cap { float: left; font-family: Georgia, serif; font-size: 64px; line-height: 0.75; color: #8a7055; margin-right: 8px; margin-top: 8px; font-style: italic; }
  .chapter-body { font-family: Georgia, "Times New Roman", serif; font-size: 13.5px; line-height: 1.95; color: #2a1f0f; text-align: justify; }
  .chapter-body p { margin-bottom: 1.1rem; }
  .chapter-body p:first-child::first-letter { float: left; font-size: 52px; line-height: 0.78; color: #8a7055; margin-right: 6px; margin-top: 6px; font-style: italic; font-family: Georgia, serif; }
  .chapter-body-ar { font-family: Georgia, serif; font-size: 14px; line-height: 2; color: #2a1f0f; direction: rtl; text-align: right; }
  .chapter-body-ar p { margin-bottom: 1.1rem; }
  .page-number { text-align: center; font-family: Georgia, serif; font-size: 10px; color: #8a7055; letter-spacing: 3px; margin-top: 2rem; }
  .page-footer-ornament { text-align: center; color: #c8aa88; font-size: 14px; letter-spacing: 6px; margin-top: 8px; }

  /* CART */
  .cart-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; }
  .cart-overlay.open { display: block; }
  .cart-panel { position: fixed; top: 0; right: 0; width: 420px; max-width: 100vw; height: 100vh; background: #111; z-index: 201; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.25s ease; }
  .cart-panel.open { transform: translateX(0); }
  .cart-header { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 1.5rem; border-bottom: 0.5px solid rgba(255,255,255,0.08); }
  .cart-header h3 { font-size: 12px; font-weight: 500; letter-spacing: 4px; text-transform: uppercase; color: #fff; }
  .close-btn { background: none; border: none; color: rgba(255,255,255,0.4); font-size: 24px; cursor: pointer; line-height: 1; }
  .close-btn:hover { color: #fff; }
  .cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.5rem; }
  .cart-empty { text-align: center; padding: 3rem 1rem; color: rgba(255,255,255,0.3); font-size: 13px; letter-spacing: 1px; }
  .cart-item { display: flex; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 0.5px solid rgba(255,255,255,0.06); }
  .cart-item-thumb { width: 56px; height: 56px; object-fit: contain; background: #1e1e1c; flex-shrink: 0; padding: 4px; }
  .cart-item-info { flex: 1; }
  .cart-item-name { font-size: 12px; font-weight: 500; margin-bottom: 3px; color: #fff; }
  .cart-item-meta { font-size: 11px; color: rgba(255,255,255,0.35); letter-spacing: 1px; }
  .cart-item-price { font-size: 14px; font-weight: 500; color: #fff; white-space: nowrap; }
  .remove-item { background: none; border: none; color: rgba(255,255,255,0.2); cursor: pointer; font-size: 20px; padding: 4px; }
  .remove-item:hover { color: #e8312a; }
  .cart-footer { padding: 1.5rem; border-top: 0.5px solid rgba(255,255,255,0.08); }
  .cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
  .cart-total-label { font-size: 11px; color: rgba(255,255,255,0.35); letter-spacing: 2px; text-transform: uppercase; }
  .cart-total-price { font-size: 20px; font-weight: 500; color: #fff; }
  .order-form { display: flex; flex-direction: column; gap: 10px; }
  .form-title { font-size: 10px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 2px; }
  .order-form input, .order-form textarea { width: 100%; padding: 10px 12px; border: 0.5px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04); color: #fff; font-size: 13px; font-family: inherit; outline: none; transition: border-color 0.15s; }
  .order-form input:focus, .order-form textarea:focus { border-color: #e8312a; }
  .order-form textarea { resize: none; height: 60px; }
  .submit-btn { background: #e8312a; color: #fff; border: none; padding: 13px; font-size: 12px; font-weight: 600; cursor: pointer; width: 100%; font-family: inherit; margin-top: 4px; letter-spacing: 2px; text-transform: uppercase; }
  .submit-btn:hover { background: #c5271f; }
  .submit-btn:disabled { background: #444; cursor: not-allowed; }
  .form-note { font-size: 10px; color: rgba(255,255,255,0.2); text-align: center; margin-top: 4px; letter-spacing: 1px; }
  .success-screen { display: none; text-align: center; padding: 2rem 1rem; }
  .success-screen.show { display: block; }
  .success-icon { font-size: 48px; margin-bottom: 1rem; }
  .success-title { font-size: 16px; font-weight: 500; margin-bottom: 8px; color: #fff; }
  .success-sub { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.7; }

  .cart-toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #e8312a; color: #fff; padding: 12px 20px; font-size: 12px; display: none; align-items: center; gap: 8px; z-index: 600; white-space: nowrap; letter-spacing: 1px; }
  .cart-toast.show { display: flex; animation: slideUp 0.2s ease; }
  @keyframes slideUp { from { transform: translateX(-50%) translateY(12px); opacity: 0; } to { transform: translateX(-50%) translateY(0); opacity: 1; } }

  .footer { background: #0a0a09; border-top: 0.5px solid rgba(255,255,255,0.05); padding: 2rem; text-align: center; color: rgba(255,255,255,0.2); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; }

  @media (max-width: 640px) {
    .hero { padding: 3rem 1.25rem; }
    .hero-title { font-size: 36px; }
    .hero::before { font-size: 100px; }
    .section { padding: 2.5rem 1.25rem; }
    nav { padding: 0 1.25rem; }
    .nav-links { display: none; }
    .cart-panel { width: 100vw; }
    .products-grid { grid-template-columns: 1fr 1fr; gap: 2px; }
    .book { width: 100%; max-height: 95vh; }
    .book-pages { flex-direction: column; }
    .book-page.right-page { border-left: none; border-top: 1px solid #d4c4a0; }
    .book::before { display: none; }
  }