/* ========================================
   3D VAULT — PREMIUM 3D ÜRÜN MAĞAZASI
   ======================================== */

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

:root {
    --primary: #6C3CE1;
    --primary-light: #8B5CF6;
    --primary-dark: #5521C4;
    --accent: #F59E0B;
    --accent-light: #FBBF24;
    --bg: #0A0A0F;
    --bg-secondary: #111118;
    --bg-card: #1A1A24;
    --bg-card-hover: #22222E;
    --surface: #16161F;
    --text: #F0F0F5;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --border: #2A2A36;
    --gradient: linear-gradient(135deg, #6C3CE1, #EC4899, #F59E0B);
    --gradient-text: linear-gradient(135deg, #A78BFA, #EC4899, #FBBF24);
    --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
    --shadow-md: 0 8px 32px rgba(0,0,0,.4);
    --shadow-lg: 0 16px 64px rgba(0,0,0,.5);
    --shadow-glow: 0 0 40px rgba(108,60,225,.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
    --transition-slow: .6s cubic-bezier(.4,0,.2,1);
    --header-h: 72px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea { font: inherit; color: inherit; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

/* ---------- YÜKLEME ---------- */
.preloader {
    position: fixed; inset: 0; z-index: 10000;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    transition: opacity .5s, visibility .5s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-content { text-align: center; }

.loader-cube {
    width: 60px; height: 60px;
    margin: 0 auto 24px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeSpin 2s infinite ease-in-out;
}
.cube-face {
    position: absolute; width: 60px; height: 60px;
    border: 2px solid var(--primary-light);
    border-radius: 8px;
    background: rgba(108,60,225,.08);
}
.cube-face.front  { transform: translateZ(30px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(30px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(30px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(30px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(30px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(30px); }

@keyframes cubeSpin {
    0% { transform: rotateX(0) rotateY(0); }
    25% { transform: rotateX(90deg) rotateY(90deg); }
    50% { transform: rotateX(180deg) rotateY(180deg); }
    75% { transform: rotateX(270deg) rotateY(270deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

.loader-text {
    font-size: .9rem; color: var(--text-secondary);
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 16px;
}
.loader-bar {
    width: 200px; height: 3px; background: var(--border);
    border-radius: 2px; overflow: hidden;
}
.loader-fill {
    height: 100%; width: 0%;
    background: var(--gradient);
    border-radius: 2px;
    transition: width .3s;
}

/* ---------- NAVİGASYON ---------- */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(0);
}
.header.scrolled {
    background: rgba(10,10,15,.92);
    backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}
.logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 1.3rem; font-weight: 700;
}
.logo-icon {
    color: var(--primary-light);
    font-size: 1.5rem;
    animation: logoPulse 3s infinite;
}
@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: .8; }
}
.logo-accent { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-list { display: flex; gap: 32px; }
.nav-link {
    font-size: .875rem; font-weight: 500;
    color: var(--text-secondary);
    position: relative; transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
    height: 2px; background: var(--gradient);
    transform: scaleX(0); transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    font-size: .9rem;
}
.icon-btn:hover { background: var(--bg-card); color: var(--primary-light); }
.cart-badge {
    position: absolute; top: 2px; right: 2px;
    background: var(--primary);
    color: #fff; font-size: .65rem; font-weight: 700;
    width: 18px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    transform: scale(0);
}
.cart-badge.visible { transform: scale(1); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 24px; }
.menu-toggle span {
    display: block; height: 2px; background: var(--text);
    border-radius: 2px; transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Arama */
.search-bar {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    transform: translateY(-100%); opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}
.search-bar.active { transform: translateY(0); opacity: 1; pointer-events: all; }
.search-bar .container { display: flex; gap: 12px; align-items: center; }
#searchInput {
    flex: 1; background: var(--bg-card); border: 1px solid var(--border);
    padding: 12px 20px; border-radius: var(--radius-md);
    font-size: 1rem; color: var(--text); outline: none;
    transition: var(--transition);
}
#searchInput:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,60,225,.2); }
#searchInput::placeholder { color: var(--text-muted); }

/* ---------- HERO ---------- */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center;
    overflow: hidden;
}
.hero-canvas {
    position: absolute; inset: 0;
    z-index: 1;
}
.hero-canvas canvas { width: 100% !important; height: 100% !important; }
.hero-overlay {
    position: relative; z-index: 2;
    width: 100%;
    background: linear-gradient(90deg, rgba(10,10,15,.95) 0%, rgba(10,10,15,.7) 50%, rgba(10,10,15,.3) 100%);
}
.hero-content { padding: 140px 0 80px; max-width: 680px; }
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108,60,225,.15);
    border: 1px solid rgba(108,60,225,.3);
    border-radius: 100px;
    font-size: .8rem; font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: badgeFade 1s .5s both;
}
@keyframes badgeFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800; line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeUp .8s .7s both;
}
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 1.1rem; color: var(--text-secondary);
    margin-bottom: 32px; max-width: 520px;
    animation: fadeUp .8s .9s both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; animation: fadeUp .8s 1.1s both; }

/* Butonlar */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600; font-size: .95rem;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 24px rgba(108,60,225,.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(108,60,225,.5);
}
.btn-primary span { transition: var(--transition); }
.btn-primary:hover span { transform: translateX(4px); }
.btn-outline {
    border: 1.5px solid var(--border);
    color: var(--text);
    background: transparent;
}
.btn-outline:hover {
    border-color: var(--primary-light);
    background: rgba(108,60,225,.08);
}

/* İstatistikler */
.hero-stats {
    display: flex; gap: 48px;
    animation: fadeUp .8s 1.3s both;
}
.stat-num {
    display: block;
    font-size: 2rem; font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .8rem; color: var(--text-muted); }

/* ---------- BÖLÜM HEADER ---------- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108,60,225,.12);
    border: 1px solid rgba(108,60,225,.25);
    border-radius: 100px;
    font-size: .8rem; font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- FİLTRELER ---------- */
.filters {
    display: flex; justify-content: center;
    gap: 8px; margin-bottom: 48px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 10px 24px;
    border-radius: 100px;
    font-size: .875rem; font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.filter-btn:hover { border-color: var(--primary-light); color: var(--text); }
.filter-btn.active {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
}

/* ---------- ÜRÜN GRID ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(24px);
}
.product-card.visible {
    opacity: 1; transform: none;
}
.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}
.product-thumb {
    position: relative;
    height: 280px;
    background: var(--surface);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-thumb canvas {
    width: 100% !important;
    height: 100% !important;
}
.product-badge {
    position: absolute; top: 12px; left: 12px;
    padding: 4px 12px;
    background: var(--accent);
    color: #000;
    border-radius: 100px;
    font-size: .7rem; font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    z-index: 2;
}
.product-actions-overlay {
    position: absolute; inset: 0;
    background: rgba(10,10,15,.5);
    display: flex; align-items: center; justify-content: center; gap: 12px;
    opacity: 0;
    transition: var(--transition);
    z-index: 3;
}
.product-card:hover .product-actions-overlay { opacity: 1; }
.action-btn {
    width: 44px; height: 44px;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    font-size: .85rem;
}
.action-btn:hover { background: var(--primary); border-color: var(--primary); }
.product-body { padding: 20px; }
.product-category {
    font-size: .75rem; font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.product-name {
    font-size: 1.05rem; font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}
.product-meta {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 14px;
}
.product-rating { display: flex; gap: 2px; color: var(--accent); font-size: .8rem; }
.product-rating span { color: var(--text-muted); font-size: .8rem; }
.product-bottom { display: flex; align-items: center; justify-content: space-between; }
.product-price {
    font-size: 1.2rem; font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.product-price .old-price {
    font-size: .8rem; font-weight: 500;
    text-decoration: line-through;
    -webkit-text-fill-color: var(--text-muted);
    margin-left: 8px;
}
.add-cart-btn {
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: .8rem; font-weight: 600;
    transition: var(--transition);
}
.add-cart-btn:hover { background: var(--primary-dark); transform: scale(1.05); }

/* ---------- 3D GÖRÜNTÜLEYİCİ ---------- */
.viewer-modal {
    position: fixed; inset: 0; z-index: 5000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
}
.viewer-modal.active { opacity: 1; visibility: visible; }
.viewer-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,.85);
    backdrop-filter: blur(8px);
}
.viewer-container {
    position: relative;
    width: 90%; max-width: 1000px;
    max-height: 85vh;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(.9);
    transition: var(--transition);
}
.viewer-modal.active .viewer-container { transform: scale(1); }
.viewer-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.viewer-header h3 { font-size: 1.2rem; }
.viewer-body { display: flex; height: 500px; }
.viewer-3d {
    flex: 1;
    background: var(--surface);
    cursor: grab;
}
.viewer-3d:active { cursor: grabbing; }
.viewer-3d canvas { width: 100% !important; height: 100% !important; }
.viewer-info {
    width: 300px;
    padding: 24px;
    border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
}
.viewer-price {
    font-size: 1.5rem; font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.viewer-desc {
    color: var(--text-secondary);
    font-size: .9rem;
    margin-bottom: 20px;
    line-height: 1.7;
}
.viewer-colors { margin-bottom: 24px; }
.viewer-colors label { font-size: .8rem; color: var(--text-muted); display: block; margin-bottom: 8px; }
.color-options { display: flex; gap: 8px; }
.color-swatch {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.color-swatch.active, .color-swatch:hover { border-color: #fff; transform: scale(1.15); }
.viewer-hint {
    font-size: .75rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.viewer-controls { margin-top: auto; }

/* ---------- ÖZELLİKLER ---------- */
.features { background: var(--bg-secondary); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.feature-card.visible { opacity: 1; transform: none; }
.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.feature-icon {
    width: 56px; height: 56px;
    background: rgba(108,60,225,.12);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: var(--gradient);
    transform: rotate(5deg) scale(1.1);
}
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: .9rem; line-height: 1.7; }

/* ---------- HAKKIMIZDA ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-visual { position: relative; height: 420px; }
.about-shape {
    position: absolute;
    width: 320px; height: 320px;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    background: var(--gradient);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphShape 8s ease-in-out infinite;
    opacity: .15;
}
@keyframes morphShape {
    0%,100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}
.about-stats-card {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 40px;
    display: flex; gap: 40px;
    z-index: 2;
    box-shadow: var(--shadow-md);
}
.about-stat { text-align: center; }
.big-num {
    display: block;
    font-size: 2.2rem; font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.about-stat span:last-child { font-size: .8rem; color: var(--text-muted); }

.about-content .section-tag { margin-bottom: 12px; }
.about-content .section-title { text-align: left; margin-bottom: 20px; }
.about-content > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}
.about-list { margin-bottom: 32px; }
.about-list li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: .95rem;
}

/* ---------- İLETİŞİM ---------- */
.contact { background: var(--bg-secondary); }
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 48px;
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; gap: 16px; }
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    outline: none;
    transition: var(--transition);
    resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108,60,225,.2);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form .btn { align-self: flex-start; }

.contact-info { display: flex; flex-direction: column; gap: 24px; justify-content: center; }
.contact-item {
    display: flex; align-items: center; gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.contact-item:hover { border-color: var(--primary); }
.contact-item span:first-child { font-size: 1.5rem; }
.contact-item p { color: var(--text-secondary); }

/* ---------- SEPET ---------- */
.cart-modal {
    position: fixed; inset: 0; z-index: 6000;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
}
.cart-modal.active { opacity: 1; visibility: visible; }
.cart-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.6); }
.cart-panel {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 420px; max-width: 90vw;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
    transform: translateX(100%);
    transition: var(--transition-slow);
}
.cart-modal.active .cart-panel { transform: translateX(0); }
.cart-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.cart-header h2 { font-size: 1.2rem; }
.cart-body { flex: 1; overflow-y: auto; padding: 24px; }
.cart-empty { text-align: center; padding: 60px 0; }
.cart-empty-icon { font-size: 3rem; display: block; margin-bottom: 12px; opacity: .5; }
.cart-empty p { font-weight: 600; margin-bottom: 4px; }
.cart-empty span { font-size: .85rem; color: var(--text-muted); }

.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item {
    display: flex; gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    animation: fadeUp .3s both;
}
.cart-item-thumb {
    width: 72px; height: 72px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: .9rem; font-weight: 600; margin-bottom: 4px; }
.cart-item-price { font-size: .85rem; color: var(--primary-light); font-weight: 600; }
.cart-item-qty {
    display: flex; align-items: center; gap: 12px;
    margin-top: 8px;
}
.qty-btn {
    width: 28px; height: 28px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: .8rem;
    transition: var(--transition);
}
.qty-btn:hover { border-color: var(--primary); }
.cart-item-qty span { font-weight: 600; min-width: 20px; text-align: center; }
.cart-item-remove {
    color: var(--text-muted);
    font-size: .75rem;
    transition: var(--transition);
    align-self: flex-start;
}
.cart-item-remove:hover { color: #EF4444; }

.cart-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
}
.cart-total {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px;
}
.cart-total span:first-child { font-size: .9rem; color: var(--text-secondary); }
.total-price { font-size: 1.4rem; font-weight: 800; }
.cart-checkout { width: 100%; justify-content: center; }

/* ---------- FOOTER ---------- */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand p { color: var(--text-secondary); margin-top: 16px; font-size: .9rem; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
    width: 36px; height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem;
    transition: var(--transition);
}
.footer-social a:hover { border-color: var(--primary); background: var(--primary); color: #fff; }

.footer-links h4 { font-size: .9rem; font-weight: 700; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: var(--text-secondary); font-size: .85rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: .8rem; color: var(--text-muted); }
.payment-icons { display: flex; gap: 12px; }
.payment-icons span {
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .7rem;
    color: var(--text-muted);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .nav { display: none; }
    .nav.active {
        display: flex; position: absolute;
        top: var(--header-h); left: 0; right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 24px;
        z-index: 999;
    }
    .nav-list { flex-direction: column; gap: 16px; }
    .menu-toggle { display: flex; }
    .hero-overlay { background: rgba(10,10,15,.85); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { height: 300px; }
    .viewer-body { flex-direction: column; height: auto; }
    .viewer-3d { height: 300px; }
    .viewer-info { width: 100%; border-left: none; border-top: 1px solid var(--border); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero-stats { gap: 24px; }
    .hero-content { padding: 120px 0 60px; }
    .product-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .viewer-container { width: 95%; max-height: 90vh; }
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ---------- TOAST ---------- */
.toast {
    position: fixed; bottom: 30px; right: 30px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    display: flex; align-items: center; gap: 12px;
    font-size: .9rem; font-weight: 500;
    transform: translateY(120%);
    transition: var(--transition);
}
.toast.show { transform: translateY(0); }
.toast-icon { font-size: 1.2rem; }


/* Preloader otomatik gizleme */
.preloader { animation: preloaderHide 3s forwards; }
@keyframes preloaderHide { 0%{opacity:1} 90%{opacity:1} 100%{opacity:0;visibility:hidden;pointer-events:none} }


/* Preloader otomatik gizleme */
.preloader { animation: preloaderHide 3s forwards; }
@keyframes preloaderHide { 0%{opacity:1} 90%{opacity:1} 100%{opacity:0;visibility:hidden;pointer-events:none} }