/* ============================================
   MARZ STUDIO — Store Stylesheet v2
   Ultra-premium dark cyberpunk with depth,
   glassmorphism, glow effects & micro-interactions
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #050508;
    --bg-surface: #0a0a12;
    --bg-card: rgba(10,10,18,0.88);
    --bg-card-hover: rgba(16,16,28,0.95);
    --bg-card-solid: #0e0e18;
    --bg-glass: rgba(10,10,18,0.55);
    --bg-glass-strong: rgba(10,10,18,0.75);
    --border: rgba(255,255,255,0.045);
    --border-hover: rgba(0,229,255,0.35);
    --border-subtle: rgba(255,255,255,0.025);
    --border-glow: rgba(0,229,255,0.5);
    --text: #f0f0f5;
    --text-dim: #9ca3af;
    --text-muted: #6b7280;
    --accent: #00e5ff;
    --accent-dark: #00b8d4;
    --accent-light: #33ecff;
    --accent-glow: rgba(0,229,255,0.10);
    --accent-glow-strong: rgba(0,229,255,0.22);
    --purple: #a855f7;
    --purple-dark: #7c3aed;
    --purple-glow: rgba(168,85,247,0.12);
    --success: #10b981;
    --success-glow: rgba(16,185,129,0.12);
    --danger: #ef4444;
    --danger-glow: rgba(239,68,68,0.12);
    --warning: #f59e0b;
    --warning-glow: rgba(245,158,11,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-lg: 0 24px 64px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 60px rgba(0,229,255,0.06);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.03);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --transition-fast: all 0.2s cubic-bezier(0.4,0,0.2,1);
    --transition-slow: all 0.5s cubic-bezier(0.4,0,0.2,1);
    --transition-bounce: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Subtle grid background */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.018) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 70%);
}

/* Top ambient glow */
body::after {
    content: '';
    position: fixed;
    top: -300px; left: 50%; transform: translateX(-50%);
    width: 900px; height: 600px;
    background: radial-gradient(ellipse, rgba(0,229,255,0.045) 0%, rgba(168,85,247,0.02) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,229,255,0.15); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,229,255,0.35); }

/* === ANIMATIONS === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInScale { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes pulseGlow { 0%, 100% { box-shadow: 0 0 20px rgba(0,229,255,0.1); } 50% { box-shadow: 0 0 40px rgba(0,229,255,0.2); } }
@keyframes gradientShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes borderFlow { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes iconGlow { 0%, 100% { filter: drop-shadow(0 0 8px rgba(0,229,255,0.5)); } 50% { filter: drop-shadow(0 0 18px rgba(0,229,255,0.9)); } }
@keyframes rotateHue { 0% { filter: hue-rotate(0deg); } 100% { filter: hue-rotate(360deg); } }
@keyframes scanline { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }
@keyframes gridPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.7; } }

/* === NAVIGATION === */
.store-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(5,5,8,0.8);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border-bottom: 1px solid var(--border);
}
.store-nav::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.15), rgba(168,85,247,0.1), transparent);
}
.store-nav-inner {
    max-width: 1360px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 36px; height: 72px;
}
.store-logo {
    display: flex; align-items: center; gap: 10px;
    color: var(--text); font-weight: 800; font-size: 18px;
    letter-spacing: 1.5px;
}
.logo-icon {
    color: var(--accent); font-size: 22px;
    animation: iconGlow 3s ease-in-out infinite;
}
.logo-accent { color: var(--accent); }
.store-nav-links { display: flex; gap: 4px; }
.store-nav-links a {
    color: var(--text-dim); font-weight: 500; font-size: 14px;
    padding: 8px 18px; border-radius: 10px;
    transition: var(--transition);
    position: relative;
}
.store-nav-links a::after {
    content: '';
    position: absolute; bottom: 2px; left: 50%; width: 0; height: 2px;
    background: var(--accent); border-radius: 2px;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}
.store-nav-links a:hover { color: var(--text); }
.store-nav-links a:hover::after,
.store-nav-links a.active::after { width: 60%; }
.store-nav-links a.active {
    color: var(--accent);
    background: var(--accent-glow);
}
.store-nav-actions { display: flex; align-items: center; gap: 16px; }
.cart-link {
    display: flex; align-items: center; gap: 8px;
    background: rgba(0,229,255,0.06);
    border: 1px solid rgba(0,229,255,0.12);
    padding: 10px 24px; border-radius: 50px;
    color: var(--text); font-weight: 600; font-size: 14px;
    transition: var(--transition);
    position: relative;
}
.cart-link:hover {
    border-color: var(--accent); color: var(--accent);
    box-shadow: 0 0 24px rgba(0,229,255,0.12);
    background: rgba(0,229,255,0.1);
}
.cart-count {
    background: var(--accent); color: var(--bg); font-size: 11px; font-weight: 800;
    width: 20px; height: 20px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 12px rgba(0,229,255,0.5);
    animation: pulseGlow 2s ease-in-out infinite;
}

/* === LAYOUT === */
.store-container { max-width: 1360px; margin: 0 auto; padding: 0 36px; position: relative; z-index: 1; }

/* === HERO SECTION === */
.store-hero {
    padding: 110px 0 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.store-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse 90% 50% at 50% 0%, rgba(0,229,255,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 25% 10%, rgba(168,85,247,0.04) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 75% 10%, rgba(0,229,255,0.03) 0%, transparent 50%);
    pointer-events: none;
}
.store-hero-content { position: relative; z-index: 1; animation: fadeInUp 0.7s ease-out; }
.store-badge {
    display: inline-block;
    padding: 6px 22px;
    background: linear-gradient(135deg, rgba(0,229,255,0.08), rgba(168,85,247,0.08));
    border: 1px solid rgba(0,229,255,0.15);
    border-radius: 50px;
    font-size: 10px; font-weight: 800;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 24px;
    text-transform: uppercase;
}
.store-hero h1 {
    font-size: clamp(32px, 5vw, 56px); font-weight: 900;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, var(--purple) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    animation: gradientShift 6s ease-in-out infinite;
    line-height: 1.1;
}
.store-hero p {
    color: var(--text-dim); font-size: 17px; max-width: 520px; margin: 0 auto;
    line-height: 1.8;
}

/* === BREADCRUMBS === */
.breadcrumbs {
    padding: 20px 0; font-size: 13px; color: var(--text-muted);
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    animation: fadeInLeft 0.5s ease-out;
}
.breadcrumbs a { color: var(--text-dim); font-weight: 500; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .current { color: var(--accent); font-weight: 600; }

/* === STORE LAYOUT === */
.store-layout {
    display: grid; grid-template-columns: 280px 1fr; gap: 44px;
    padding-bottom: 80px;
}

/* === SIDEBAR === */
.store-sidebar {
    position: sticky; top: 92px; align-self: start;
    display: flex; flex-direction: column; gap: 20px;
    animation: fadeInLeft 0.6s ease-out;
}
.sidebar-section {
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: var(--transition);
}
.sidebar-section:hover {
    border-color: rgba(255,255,255,0.07);
}
.sidebar-section h3 {
    font-size: 12px; font-weight: 800; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text-dim);
    margin-bottom: 16px;
    display: flex; align-items: center; gap: 8px;
}
.search-form {
    display: flex; gap: 0; align-items: stretch;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    background: rgba(255,255,255,0.02);
}
.search-form:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow), 0 0 24px rgba(0,229,255,0.06);
}
.search-input {
    flex: 1; padding: 11px 16px; background: transparent;
    border: none; color: var(--text);
    font-size: 14px; font-family: inherit; outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { background: transparent; box-shadow: none; border: none; }
.search-btn {
    width: 44px;
    background: var(--accent);
    border: none; cursor: pointer;
    color: var(--bg); font-size: 16px; font-weight: 700;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.search-btn:hover {
    background: var(--accent-light);
    box-shadow: 0 0 16px rgba(0,229,255,0.3);
}

/* Category List */
.category-list { list-style: none; }
.category-list li { margin: 2px 0; }
.category-list li a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: 14px; font-weight: 500;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.category-list li a::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
    transform: scaleY(0);
    transition: var(--transition);
}
.category-list li a:hover,
.category-list li a.active {
    background: var(--accent-glow);
    color: var(--accent);
}
.category-list li a:hover::before,
.category-list li a.active::before {
    transform: scaleY(1);
}
.category-list li a span {
    font-size: 11px; font-weight: 700;
    background: rgba(255,255,255,0.05);
    padding: 3px 10px; border-radius: 20px;
    color: var(--text-muted);
    transition: var(--transition);
}
.category-list li a:hover span,
.category-list li a.active span {
    background: rgba(0,229,255,0.12);
    color: var(--accent);
}

/* Sort List */
.sort-list { list-style: none; }
.sort-list li { margin: 2px 0; }
.sort-list li a {
    display: block;
    padding: 9px 14px; border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: 13px; font-weight: 500;
    transition: var(--transition);
}
.sort-list li a:hover,
.sort-list li a.active {
    background: var(--accent-glow);
    color: var(--accent);
}

/* === STORE HEADER BAR === */
.store-header-bar {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px; padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.results-count { font-size: 14px; color: var(--text-dim); font-weight: 500; }

/* === PRODUCT GRID === */
.product-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: 24px;
}
.product-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl); overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex; flex-direction: column;
    animation: fadeInUp 0.5s ease-out both;
}
.product-card:nth-child(1) { animation-delay: 0s; }
.product-card:nth-child(2) { animation-delay: 0.05s; }
.product-card:nth-child(3) { animation-delay: 0.1s; }
.product-card:nth-child(4) { animation-delay: 0.15s; }
.product-card:nth-child(5) { animation-delay: 0.2s; }
.product-card:nth-child(6) { animation-delay: 0.25s; }
.product-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.4), transparent);
    opacity: 0;
    transition: var(--transition);
}
.product-card::after {
    content: '';
    position: absolute; inset: 0; border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(0,229,255,0.02) 0%, transparent 40%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}
.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 24px 56px rgba(0,0,0,0.35), 0 0 50px rgba(0,229,255,0.05);
}
.product-card:hover::before { opacity: 1; }
.product-card:hover::after { opacity: 1; }

/* Product Badge */
.product-badge,
.product-sale-badge {
    position: absolute; top: 14px; z-index: 2;
    padding: 5px 14px; border-radius: 20px; font-size: 10px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 1px;
    backdrop-filter: blur(8px);
}
.product-badge {
    left: 14px;
    background: linear-gradient(135deg, rgba(245,158,11,0.9), rgba(217,119,6,0.9));
    color: #000;
    box-shadow: 0 4px 16px rgba(245,158,11,0.3);
}
.product-sale-badge {
    right: 14px;
    background: linear-gradient(135deg, rgba(239,68,68,0.9), rgba(220,38,38,0.9));
    color: #fff;
    box-shadow: 0 4px 16px rgba(239,68,68,0.3);
}

/* Product Image */
.product-image-link { display: block; }
.product-image {
    height: 210px;
    background: linear-gradient(145deg, rgba(0,229,255,0.04), rgba(168,85,247,0.025));
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.product-image::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 80px;
    background: linear-gradient(transparent, var(--bg-card));
    pointer-events: none;
}
.product-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: var(--transition-slow);
}
.product-card:hover .product-image img {
    transform: scale(1.08);
}
.product-placeholder {
    font-size: 56px; opacity: 0.2;
    transition: var(--transition);
}
.product-card:hover .product-placeholder {
    opacity: 0.45;
    transform: scale(1.1) rotate(-3deg);
}

/* Product Info */
.product-info {
    padding: 20px 24px; display: flex; flex-direction: column; gap: 10px;
    flex: 1;
}
.product-category {
    font-size: 10px; font-weight: 800; color: var(--accent);
    text-transform: uppercase; letter-spacing: 2.5px;
    display: inline-flex; align-items: center; gap: 6px;
}
.product-category::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}
.product-name {
    font-size: 16px; font-weight: 700; color: var(--text);
    line-height: 1.4; transition: var(--transition);
}
.product-name:hover { color: var(--accent); }
.product-desc {
    font-size: 13px; color: var(--text-muted); line-height: 1.65;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-meta {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: auto;
}
.product-rating {
    display: flex; align-items: center; gap: 2px; font-size: 12px;
}
.product-rating .star { color: var(--text-muted); transition: var(--transition); }
.product-rating .star.filled { color: var(--warning); text-shadow: 0 0 8px rgba(245,158,11,0.5); }
.rating-count { font-size: 11px; color: var(--text-muted); margin-left: 4px; }
.product-version {
    font-size: 11px; color: var(--text-muted); font-family: var(--font-mono);
    background: rgba(255,255,255,0.04); padding: 3px 10px; border-radius: 20px;
    border: 1px solid var(--border);
}

/* Product Footer */
.product-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px 22px;
    border-top: 1px solid var(--border-subtle);
}
.product-price { display: flex; align-items: baseline; gap: 8px; }
.price-current {
    font-size: 22px; font-weight: 900; color: var(--accent);
    text-shadow: 0 0 24px rgba(0,229,255,0.2);
}
.price-old {
    font-size: 14px; color: var(--text-muted); text-decoration: line-through;
}
.add-to-cart-btn {
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border: none; border-radius: 50px; cursor: pointer;
    font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.add-to-cart-btn::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.5s;
}
.add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,229,255,0.35);
}
.add-to-cart-btn:hover::before { left: 100%; }

/* === EMPTY STATE === */
.empty-state {
    text-align: center; padding: 80px 40px;
    background: var(--bg-card);
    border: 1px dashed rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
}
.empty-icon {
    font-size: 72px; margin-bottom: 20px; opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}
.empty-state h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.empty-state p { color: var(--text-dim); font-size: 14px; }

/* === PAGINATION === */
.pagination {
    display: flex; justify-content: center; align-items: center; gap: 8px;
    padding: 48px 0;
}
.page-link {
    padding: 10px 18px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: 14px; font-weight: 600;
    transition: var(--transition);
}
.page-link:hover {
    border-color: var(--accent); color: var(--accent);
    box-shadow: 0 0 16px rgba(0,229,255,0.08);
}
.page-link.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(0,229,255,0.3);
}

/* === PAGE TITLE === */
.page-title { font-size: 28px; font-weight: 800; margin-bottom: 32px; }

/* === ALERTS / FLASH === */
.alert {
    padding: 16px 24px; border-radius: var(--radius); margin-bottom: 24px;
    font-size: 14px; font-weight: 500; border: 1px solid;
    backdrop-filter: blur(12px);
    animation: fadeInUp 0.4s ease-out;
}
.alert-success {
    background: rgba(16,185,129,0.06); border-color: rgba(16,185,129,0.2); color: var(--success);
    box-shadow: 0 0 24px rgba(16,185,129,0.04);
}
.alert-error {
    background: rgba(239,68,68,0.06); border-color: rgba(239,68,68,0.2); color: var(--danger);
    box-shadow: 0 0 24px rgba(239,68,68,0.04);
}

/* ═══════════════════════════════════════════
   PRODUCT DETAIL PAGE — Premium Overhaul
   ═══════════════════════════════════════════ */

.product-detail {
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
    padding: 48px 0 80px;
    animation: fadeInUp 0.6s ease-out;
}

/* === Product Image === */
.product-detail-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: linear-gradient(160deg, #0c0c18, #10101e);
    border: 1px solid var(--border);
    min-height: 480px;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.product-detail-image::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--purple), transparent);
    background-size: 200% 100%;
    animation: borderFlow 4s linear infinite;
    z-index: 2;
}
.product-detail-image::after {
    content: '';
    position: absolute; inset: 0;
    background: 
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0,229,255,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 50% at 80% 20%, rgba(168,85,247,0.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}
.product-detail-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    position: relative; z-index: 0;
    transition: transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.product-detail-image:hover img {
    transform: scale(1.04);
}
.product-detail-placeholder {
    font-size: 120px; opacity: 0.12;
    animation: float 4s ease-in-out infinite;
    position: relative; z-index: 1;
}
.detail-sale-badge {
    position: absolute; top: 24px; left: 24px; z-index: 3;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: #fff;
    font-size: 16px; font-weight: 900; letter-spacing: 0.5px;
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(239,68,68,0.35);
    animation: fadeInScale 0.5s ease-out 0.3s both;
}

/* === Product Info === */
.product-detail-info {
    display: flex; flex-direction: column; gap: 24px;
    animation: fadeInUp 0.6s ease-out 0.15s both;
}
.detail-category {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 20px;
    background: linear-gradient(135deg, var(--accent-glow), rgba(168,85,247,0.06));
    border: 1px solid rgba(0,229,255,0.12);
    border-radius: 50px;
    font-size: 11px; font-weight: 800; color: var(--accent);
    text-transform: uppercase; letter-spacing: 2px;
    align-self: flex-start;
}
.detail-title {
    font-size: clamp(28px, 4vw, 40px); font-weight: 900;
    line-height: 1.15;
    background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.detail-rating {
    display: flex; align-items: center; gap: 6px;
    font-size: 14px; color: var(--text-dim);
}
.detail-rating .star { font-size: 18px; color: var(--text-muted); }
.detail-rating .star.filled { color: var(--warning); text-shadow: 0 0 10px rgba(245,158,11,0.5); }

/* Price */
.detail-price {
    display: flex; align-items: baseline; gap: 16px;
    padding: 20px 28px;
    background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(168,85,247,0.03));
    border: 1px solid rgba(0,229,255,0.08);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.detail-price::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.2), transparent);
}
.price-main {
    font-size: 42px; font-weight: 900; color: var(--accent);
    text-shadow: 0 0 40px rgba(0,229,255,0.25);
    font-family: var(--font-mono);
    letter-spacing: -1px;
}
.price-old {
    font-size: 20px; color: var(--text-muted); text-decoration: line-through;
    font-weight: 500;
}

.detail-short {
    color: var(--text-dim); font-size: 15px; line-height: 1.8;
}

/* === Meta Grid === */
.detail-meta {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.detail-meta .meta-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.detail-meta .meta-item::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, var(--accent), var(--purple));
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: var(--transition);
}
.detail-meta .meta-item:hover {
    border-color: rgba(0,229,255,0.15);
    background: rgba(0,229,255,0.02);
    transform: translateX(4px);
}
.detail-meta .meta-item:hover::before { opacity: 1; }
.meta-label {
    color: var(--text-muted); font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.meta-value {
    color: var(--text); font-weight: 700; font-size: 14px;
    font-family: var(--font-mono);
}

/* === Action Buttons === */
.detail-actions {
    display: flex; flex-direction: column; gap: 12px;
}
.btn-buy {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    padding: 20px 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border: none; border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px;
    transition: var(--transition);
    position: relative; overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,229,255,0.2);
}
.btn-buy::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.7s;
}
.btn-buy::after {
    content: '';
    position: absolute; inset: -2px; border-radius: inherit;
    background: linear-gradient(135deg, var(--accent), var(--purple), var(--accent));
    background-size: 200% 200%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
    animation: gradientShift 3s ease-in-out infinite;
}
.btn-buy:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 48px rgba(0,229,255,0.35);
    color: var(--bg);
}
.btn-buy:hover::before { left: 100%; }
.btn-buy:hover::after { opacity: 1; }
.btn-buy:active { transform: translateY(-2px); }

/* Secondary button (cart when PayPal present) */
.btn-buy[style*="transparent"] {
    box-shadow: none !important;
    background: transparent !important;
    border: 2px solid rgba(0,229,255,0.3) !important;
    color: var(--accent) !important;
}
.btn-buy[style*="transparent"]:hover {
    background: rgba(0,229,255,0.08) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 30px rgba(0,229,255,0.12) !important;
}

/* === Security Badges === */
.detail-secure {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    padding-top: 8px;
}
.secure-item {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px;
    background: rgba(16,185,129,0.03);
    border: 1px solid rgba(16,185,129,0.08);
    border-radius: var(--radius);
    font-size: 13px; color: var(--text-dim); font-weight: 500;
    transition: var(--transition);
}
.secure-item:hover {
    border-color: rgba(16,185,129,0.2);
    background: rgba(16,185,129,0.05);
    color: var(--success);
}

/* === Description Section === */
.product-description-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
}
.product-description-section::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.15), transparent);
}
.product-description-section h2 {
    font-size: 22px; font-weight: 800; margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
}
.description-content {
    color: var(--text-dim); font-size: 15px; line-height: 1.9;
}

/* === REVIEWS SECTION === */
.reviews-section {
    padding: 0 0 60px;
    animation: fadeInUp 0.5s ease-out 0.1s both;
}
.reviews-section h2 {
    font-size: 24px; font-weight: 800; margin-bottom: 28px;
    display: flex; align-items: center; gap: 10px;
}
.no-reviews {
    padding: 48px; text-align: center;
    background: var(--bg-card); border: 1px dashed rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    color: var(--text-dim); font-size: 15px;
}
.review-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl);
    padding: 28px; margin-bottom: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.review-card::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, var(--accent), var(--purple));
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: var(--transition);
}
.review-card:hover {
    border-color: rgba(255,255,255,0.08);
    transform: translateX(4px);
}
.review-card:hover::before { opacity: 1; }
.review-header {
    display: flex; align-items: center; gap: 14px; margin-bottom: 14px;
}
.review-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 16px; color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,229,255,0.2);
}
.review-stars {
    display: flex; gap: 2px; font-size: 14px;
    color: var(--text-muted); letter-spacing: 2px;
}
.review-stars .star.filled { color: var(--warning); text-shadow: 0 0 6px rgba(245,158,11,0.4); }
.review-date { font-size: 12px; color: var(--text-muted); margin-left: auto; }
.review-text { color: var(--text-dim); font-size: 14px; line-height: 1.75; }

/* === Review Form === */
.review-form-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px; margin-top: 32px;
    position: relative; overflow: hidden;
}
.review-form-section::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168,85,247,0.2), transparent);
}
.review-form-section h3 { font-size: 18px; font-weight: 800; margin-bottom: 24px; }
.review-form { display: flex; flex-direction: column; gap: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 12px; font-weight: 700; color: var(--text-dim);
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 14px 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: inherit; font-size: 14px; outline: none;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow), 0 0 20px rgba(0,229,255,0.04);
    background: rgba(255,255,255,0.05);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group small { display: block; margin-top: 6px; font-size: 12px; color: var(--text-muted); }

/* Star Rating Interactive */
.star-rating {
    display: flex; flex-direction: row-reverse;
    justify-content: flex-end; gap: 4px;
}
.star-rating input { display: none; }
.star-rating label {
    font-size: 30px; color: var(--text-muted); cursor: pointer;
    transition: var(--transition-fast);
}
.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
    color: var(--warning);
    text-shadow: 0 0 12px rgba(245,158,11,0.5);
}
.btn-review, .btn-submit {
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border: none; border-radius: var(--radius);
    cursor: pointer; font-weight: 800; font-size: 14px;
    text-transform: uppercase; letter-spacing: 1px;
    transition: var(--transition);
    align-self: flex-start;
    position: relative; overflow: hidden;
}
.btn-review::before, .btn-submit::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}
.btn-review:hover, .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,229,255,0.3);
}
.btn-review:hover::before, .btn-submit:hover::before { left: 100%; }

/* === CART PAGE === */
.cart-layout { display: grid; grid-template-columns: 1fr 400px; gap: 44px; padding-bottom: 80px; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item {
    display: flex; align-items: center; gap: 22px; padding: 24px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl);
    transition: var(--transition);
}
.cart-item:hover {
    border-color: rgba(255,255,255,0.08);
    transform: translateX(4px);
}
.cart-item-thumb {
    width: 80px; height: 80px; border-radius: var(--radius-lg); overflow: hidden;
    background: linear-gradient(135deg, rgba(0,229,255,0.06), rgba(168,85,247,0.04));
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cart-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; }
.cart-item-name { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.cart-item-cat { font-size: 12px; color: var(--text-muted); }
.cart-item-price {
    font-size: 22px; font-weight: 900; color: var(--accent);
    text-shadow: 0 0 20px rgba(0,229,255,0.15);
    font-family: var(--font-mono);
}
.cart-item-remove {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    font-size: 18px; padding: 12px; border-radius: 50%;
    transition: var(--transition);
}
.cart-item-remove:hover { background: rgba(239,68,68,0.08); color: var(--danger); }
.cart-empty { text-align: center; padding: 80px 0; }
.cart-empty-icon { font-size: 72px; opacity: 0.2; margin-bottom: 20px; animation: float 3s ease-in-out infinite; }
.cart-empty h3 { margin-bottom: 10px; font-size: 20px; }
.cart-empty p { color: var(--text-dim); margin-bottom: 28px; }

/* === CART SIDEBAR === */
.cart-sidebar { position: sticky; top: 92px; align-self: start; }
.cart-summary {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    position: relative; overflow: hidden;
}
.cart-summary::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--purple), var(--accent));
    background-size: 200% 100%;
    animation: borderFlow 3s linear infinite;
}
.cart-summary h3 { font-size: 18px; font-weight: 800; margin-bottom: 24px; }
.coupon-form { display: flex; gap: 8px; margin-bottom: 20px; }
.coupon-form input {
    flex: 1; padding: 11px 16px; background: rgba(255,255,255,0.03);
    border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text);
    font-size: 14px; font-family: inherit; outline: none;
    transition: var(--transition);
}
.coupon-form input:focus { border-color: var(--accent); }
.coupon-form button {
    padding: 11px 20px; background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--accent); cursor: pointer; font-weight: 700;
    font-size: 13px; transition: var(--transition);
}
.coupon-form button:hover { border-color: var(--accent); background: var(--accent-glow); }
.applied-coupon {
    display: flex; align-items: center; justify-content: space-between; padding: 12px 16px;
    background: rgba(16,185,129,0.04); border: 1px solid rgba(16,185,129,0.12);
    border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 13px; color: var(--success);
}
.summary-row {
    display: flex; justify-content: space-between; padding: 12px 0; font-size: 14px;
    border-bottom: 1px solid var(--border);
}
.summary-row.total {
    font-size: 22px; font-weight: 800; border-top: 2px solid rgba(255,255,255,0.05);
    border-bottom: none; padding-top: 20px; margin-top: 6px;
}
.summary-row.total .amount {
    color: var(--accent);
    text-shadow: 0 0 24px rgba(0,229,255,0.2);
    font-family: var(--font-mono);
}
.summary-row.discount { color: var(--success); }
.btn-checkout {
    display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
    padding: 20px; margin-top: 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border: none; border-radius: var(--radius-lg); cursor: pointer;
    font-size: 15px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px;
    transition: var(--transition); text-decoration: none;
    position: relative; overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,229,255,0.2);
}
.btn-checkout::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}
.btn-checkout:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 48px rgba(0,229,255,0.35); color: var(--bg);
}
.btn-checkout:hover::before { left: 100%; }
.btn-clear {
    display: block; width: 100%; text-align: center; margin-top: 12px; padding: 13px;
    background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-dim); cursor: pointer; font-size: 13px; transition: var(--transition);
}
.btn-clear:hover { border-color: var(--danger); color: var(--danger); background: rgba(239,68,68,0.04); }
.btn-link {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent); font-weight: 600; font-size: 14px;
}
.btn-link:hover { color: #fff; }

/* === CHECKOUT PAGE === */
.checkout-layout { display: grid; grid-template-columns: 1fr 420px; gap: 48px; padding-bottom: 80px; }
.checkout-form-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative; overflow: hidden;
}
.checkout-form-section::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.15), transparent);
}
.checkout-form-section h3 { font-size: 22px; font-weight: 800; margin-bottom: 28px; }
.checkout-form .form-group { margin-bottom: 22px; }
.checkout-form .form-group label {
    display: block; font-size: 11px; font-weight: 800; color: var(--text-dim);
    margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1.5px;
}
.checkout-form .form-group input {
    width: 100%; padding: 16px 20px; background: rgba(255,255,255,0.03);
    border: 1px solid var(--border); border-radius: var(--radius); color: var(--text);
    font-size: 15px; font-family: inherit; outline: none; transition: var(--transition);
}
.checkout-form .form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255,255,255,0.05);
}
.checkout-form .form-group small { display: block; margin-top: 8px; font-size: 12px; color: var(--text-muted); }
.checkout-security {
    margin: 28px 0; padding: 24px;
    background: rgba(16,185,129,0.03);
    border: 1px solid rgba(16,185,129,0.1);
    border-radius: var(--radius-lg);
}
.checkout-security h4 { font-size: 14px; margin-bottom: 10px; color: var(--success); }
.checkout-security p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.btn-pay {
    display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
    padding: 20px; background: linear-gradient(135deg, #0070ba, #003087);
    color: #fff; border: none; border-radius: var(--radius-lg); cursor: pointer;
    font-size: 16px; font-weight: 800; transition: var(--transition);
    position: relative; overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,112,186,0.25);
}
.btn-pay::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s;
}
.btn-pay:hover { transform: translateY(-3px); box-shadow: 0 14px 48px rgba(0,112,186,0.4); }
.btn-pay:hover::before { left: 100%; }
.checkout-summary {
    position: sticky; top: 92px; align-self: start;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
    position: relative; overflow: hidden;
}
.checkout-summary::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--purple), var(--accent));
    background-size: 200% 100%;
    animation: borderFlow 3s linear infinite;
}
.checkout-summary h3 { font-size: 18px; font-weight: 800; margin-bottom: 24px; }
.checkout-item {
    display: flex; justify-content: space-between; padding: 14px 0;
    font-size: 14px; border-bottom: 1px solid var(--border);
}
.checkout-item-name { color: var(--text); font-weight: 500; }
.checkout-item-price { color: var(--accent); font-weight: 700; font-family: var(--font-mono); }
.checkout-divider { height: 1px; background: var(--border); margin: 14px 0; }
.checkout-row {
    display: flex; justify-content: space-between; padding: 10px 0; font-size: 14px;
}
.checkout-row.discount { color: var(--success); }
.checkout-row.total {
    font-size: 24px; font-weight: 900; padding-top: 18px;
    border-top: 2px solid rgba(255,255,255,0.05); margin-top: 10px;
}
.checkout-row.total span:last-child {
    color: var(--accent);
    text-shadow: 0 0 24px rgba(0,229,255,0.2);
    font-family: var(--font-mono);
}
.checkout-guarantees {
    margin-top: 28px; display: flex; flex-direction: column; gap: 10px;
    font-size: 12px; color: var(--text-dim);
}
.checkout-guarantees div { display: flex; align-items: center; gap: 8px; }

/* === SUCCESS PAGE === */
.success-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 80vh; padding: 120px 24px 60px;
}
.success-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 56px; text-align: center; max-width: 580px; width: 100%;
    position: relative; overflow: hidden;
    animation: fadeInScale 0.6s ease-out;
}
.success-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--success), var(--accent));
    background-size: 200% 100%;
    animation: borderFlow 3s linear infinite;
}
.success-icon { font-size: 72px; margin-bottom: 20px; }
.success-card h1 { font-size: 28px; margin-bottom: 14px; color: var(--success); }
.success-card p { color: var(--text-dim); line-height: 1.8; margin-bottom: 18px; }
.download-info {
    background: rgba(0,229,255,0.03); border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg); padding: 24px; margin: 28px 0; text-align: left;
}
.download-info h3 { font-size: 15px; margin-bottom: 12px; color: var(--accent); }
.download-info ul { list-style: none; font-size: 13px; color: var(--text-dim); }
.download-info ul li { padding: 5px 0; display: flex; align-items: center; gap: 8px; }
.btn-download {
    display: inline-flex; align-items: center; gap: 10px; padding: 18px 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg); border-radius: var(--radius-lg); font-weight: 800; font-size: 15px;
    text-decoration: none; transition: var(--transition);
    box-shadow: 0 4px 24px rgba(0,229,255,0.2);
}
.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 48px rgba(0,229,255,0.35);
    color: var(--bg);
}
.order-number { font-family: var(--font-mono); color: var(--accent); font-weight: 600; }

/* === NO RESULTS === */
.no-results { padding: 80px 0; text-align: center; }
.no-results h3 { margin-bottom: 10px; font-size: 20px; }
.no-results p { color: var(--text-dim); }

/* === FOOTER === */
.store-footer {
    border-top: 1px solid var(--border);
    padding: 48px 0; text-align: center;
    color: var(--text-muted); font-size: 13px;
    position: relative;
    background: rgba(5,5,8,0.5);
}
.store-footer::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.12), transparent);
}
.store-footer p { position: relative; z-index: 1; }
.store-footer strong { color: var(--accent); font-weight: 700; }

/* === SELECTION HIGHLIGHT === */
::selection { background: rgba(0,229,255,0.18); color: #fff; }

/* === FOCUS VISIBLE === */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .store-layout { grid-template-columns: 240px 1fr; gap: 28px; }
    .product-detail { grid-template-columns: 1fr; gap: 40px; }
    .product-detail-image { min-height: 360px; }
    .checkout-layout { grid-template-columns: 1fr; }
    .checkout-summary { position: static; order: -1; }
    .store-container { padding: 0 24px; }
}
@media (max-width: 768px) {
    .store-layout { grid-template-columns: 1fr; }
    .store-sidebar { position: static; }
    .cart-layout { grid-template-columns: 1fr; }
    .cart-sidebar { position: static; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
    .store-nav-links { display: none; }
    .detail-meta { grid-template-columns: 1fr; }
    .detail-secure { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .checkout-layout { grid-template-columns: 1fr; }
    .store-hero { padding: 100px 0 30px; }
    .store-hero h1 { font-size: 28px; }
    .product-detail { gap: 32px; }
    .product-detail-image { min-height: 300px; }
    body::before { background-size: 40px 40px; }
}
@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .store-hero h1 { font-size: 24px; }
    .detail-title { font-size: 24px !important; }
    .price-main { font-size: 32px; }
    .btn-buy { padding: 16px 24px; font-size: 14px; }
    .checkout-form-section, .cart-summary, .checkout-summary { padding: 24px; }
    .product-description-section { padding: 28px; }
    .store-nav-inner { padding: 0 16px; }
    .store-container { padding: 0 16px; }
    .product-detail-image { min-height: 250px; }
}