/* ===== 3D Print Shop – Heavy Graphics Theme ===== */
:root {
    --primary: #0a0e1a;
    --primary-light: #141b2d;
    --card-bg: #1a2236;
    --accent: #00e5ff;
    --accent2: #a855f7;
    --accent3: #f472b6;
    --accent-hover: #22d3ee;
    --accent-glow: rgba(0, 229, 255, 0.4);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --success: #34d399;
    --danger: #f87171;
    --warning: #fbbf24;
    --radius: 18px;
    --shadow: 0 20px 50px -15px rgba(0,0,0,0.5);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--primary);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0,229,255,0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 10%, rgba(168,85,247,0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 100%, rgba(244,114,182,0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}
body > * { position: relative; z-index: 1; }

.top-bar {
    background: rgba(10, 14, 26, 0.95);
    border-bottom: 1px solid rgba(0,229,255,0.15);
    font-size: 0.85rem;
    color: var(--text-muted);
    backdrop-filter: blur(10px);
}
.top-bar a { text-decoration: none; transition: var(--transition); }
.top-bar a:hover { color: var(--accent) !important; }

.main-nav {
    background: rgba(10, 14, 26, 0.9) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,229,255,0.12);
    padding: 0.75rem 0;
}

.logo-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    box-shadow: 0 0 25px var(--accent-glow);
    animation: pulse-glow 3s infinite;
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 35px var(--accent-glow), 0 0 60px rgba(168,85,247,0.25); }
}

.brand-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 1px;
}
.text-accent { color: var(--accent); }

.nav-link {
    font-weight: 500;
    color: var(--text-muted) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 10px;
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--accent) !important;
    background: rgba(0,229,255,0.1);
}

.dropdown-menu {
    background: var(--primary-light);
    border: 1px solid rgba(0,229,255,0.2);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 0.5rem;
}
.dropdown-item {
    color: var(--text-muted);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    transition: var(--transition);
}
.dropdown-item:hover {
    background: rgba(0,229,255,0.12);
    color: var(--accent);
}

.btn-cart {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-cart:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px var(--accent-glow);
    color: white;
}
.cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(244,63,94,0.5);
}

.hero {
    position: relative;
    padding: 5.5rem 0 4.5rem;
    overflow: hidden;
}
.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: clamp(2.3rem, 5.5vw, 3.8rem);
    line-height: 1.15;
    margin-bottom: 1.3rem;
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 2rem;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: 14px;
    transition: var(--transition);
    box-shadow: 0 6px 25px var(--accent-glow);
    position: relative;
    overflow: hidden;
}
.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--accent-glow);
    color: white;
}

.btn-outline-accent {
    border: 2px solid var(--accent);
    color: var(--accent);
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 1.8rem;
    border-radius: 14px;
    transition: var(--transition);
}
.btn-outline-accent:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.hero-visual-box {
    background: linear-gradient(145deg, rgba(26,34,54,0.9), rgba(20,27,45,0.95));
    border: 1px solid rgba(0,229,255,0.25);
    border-radius: 24px;
    padding: 2rem;
    position: relative;
    box-shadow: 0 25px 60px -20px rgba(0,229,255,0.2);
    overflow: hidden;
}
.hero-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}
.hero-icon-item {
    background: rgba(0,229,255,0.06);
    border: 1px solid rgba(0,229,255,0.15);
    border-radius: 16px;
    padding: 1.1rem 0.6rem;
    text-align: center;
    transition: var(--transition);
}
.hero-icon-item:hover {
    background: rgba(0,229,255,0.12);
    border-color: var(--accent);
    transform: translateY(-4px);
}
.hero-icon-item i {
    font-size: 1.7rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-icon-item span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.stat-item .fs-3 {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 1.9rem;
    margin-bottom: 0.4rem;
}
.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.category-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 200px;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(0,229,255,0.12);
    background: var(--card-bg);
}
.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,14,26,0.95) 0%, rgba(10,14,26,0.4) 50%, transparent 100%);
    z-index: 1;
}
.category-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--accent);
    box-shadow: 0 20px 40px -15px var(--accent-glow);
}
.category-content {
    position: relative;
    z-index: 2;
    padding: 1.4rem;
    width: 100%;
}
.category-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.7rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(168,85,247,0.2));
    border: 1px solid rgba(0,229,255,0.3);
    color: var(--accent);
}
.category-name {
    font-weight: 700;
    font-size: 1.15rem;
    color: white;
    margin: 0;
}

.product-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(0,229,255,0.1);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0,229,255,0.4);
    box-shadow: 0 25px 50px -15px rgba(0,229,255,0.25);
}

.product-img-wrap {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(145deg, #1a2236, #0f1525);
    overflow: hidden;
}
.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.product-card:hover .product-img-wrap img { transform: scale(1.1); }

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0,229,255,0.1), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(168,85,247,0.1), transparent 50%),
        linear-gradient(145deg, #1a2236, #0f1525);
    position: relative;
}
.product-placeholder::before {
    content: '';
    position: absolute;
    width: 90px;
    height: 90px;
    border: 2px dashed rgba(0,229,255,0.2);
    border-radius: 18px;
    transform: rotate(12deg);
}
.product-placeholder i {
    font-size: 3.2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}
.product-placeholder .ph-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    z-index: 1;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.product-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(12px);
    transition: var(--transition);
    z-index: 2;
}
.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}
.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(10,14,26,0.9);
    border: 1px solid rgba(0,229,255,0.3);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(6px);
}
.action-btn:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.product-body {
    padding: 1.3rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.product-category {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.product-title {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-title:hover { color: var(--accent); }

.product-price {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: auto;
}

.feature-box {
    background: linear-gradient(145deg, rgba(26,34,54,0.8), rgba(20,27,45,0.9));
    border: 1px solid rgba(0,229,255,0.12);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}
.feature-box:hover {
    border-color: rgba(0,229,255,0.35);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px -15px var(--accent-glow);
}
.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.2rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(168,85,247,0.15));
    border: 1px solid rgba(0,229,255,0.25);
    color: var(--accent);
}

.cart-item {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.3rem;
    border: 1px solid rgba(0,229,255,0.1);
    margin-bottom: 1rem;
}

.qty-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(0,229,255,0.3);
    background: transparent;
    color: var(--accent);
    font-weight: 700;
    transition: var(--transition);
}
.qty-btn:hover {
    background: var(--accent);
    color: var(--primary);
}

.summary-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.8rem;
    border: 1px solid rgba(0,229,255,0.12);
    position: sticky;
    top: 100px;
}

.form-control, .form-select {
    background: var(--primary-light);
    border: 1px solid rgba(0,229,255,0.2);
    color: var(--text);
    border-radius: 12px;
    padding: 0.75rem 1.1rem;
}
.form-control:focus, .form-select:focus {
    background: var(--primary-light);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    color: var(--text);
}
.form-control::placeholder { color: var(--text-muted); }
.form-label { font-weight: 500; color: var(--text-muted); margin-bottom: 0.4rem; }

.footer {
    background: rgba(10, 14, 26, 0.95);
    border-top: 1px solid rgba(0,229,255,0.12);
    margin-top: 4rem;
}
.footer-title {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.65rem; }
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(0,229,255,0.08);
    color: var(--accent);
    margin-right: 8px;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid rgba(0,229,255,0.15);
}
.social-btn:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.newsletter-form .form-control { border-radius: 12px 0 0 12px; }
.newsletter-form .btn { border-radius: 0 12px 12px 0; }

.empty-state {
    text-align: center;
    padding: 5rem 1rem;
}
.empty-state i {
    font-size: 5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
}

.page-header {
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid rgba(0,229,255,0.1);
    margin-bottom: 2rem;
}

.badge-stock {
    font-size: 0.75rem;
    padding: 5px 12px;
    border-radius: 20px;
}

.page-link {
    background: var(--card-bg);
    border-color: rgba(0,229,255,0.2);
    color: var(--text-muted);
    border-radius: 10px !important;
    margin: 0 3px;
}
.page-link:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.page-item.active .page-link {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-color: transparent;
    color: white;
}

@media (max-width: 768px) {
    .hero { padding: 3rem 0; }
    .product-actions { opacity: 1; transform: none; }
}