/* Ana değişkenler - Gri/Siyah/Beyaz tema */
:root {
    --primary: #c8cdd7;
    --primary-dark: #6e737d;
    --background: #0a0a0c;
    --surface: #1e2024;
    --text: #f5f5f7;
    --text-secondary: rgba(245, 245, 247, 0.65);
    --border: rgba(200, 205, 215, 0.12);
    --glass: rgba(255, 255, 255, 0.05);
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 8rem 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(200, 205, 215, 0.08), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(110, 115, 125, 0.08), transparent 40%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-preview {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.hero-preview:hover .hero-image {
    transform: scale(1.05);
}

.hero-features {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.feature-tag {
    background: rgba(200, 205, 215, 0.15);
    backdrop-filter: blur(8px);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
}

/* Butonlar */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text);
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 205, 215, 0.15);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(200, 205, 215, 0.08);
    color: var(--text);
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(200, 205, 215, 0.12);
    transform: translateY(-2px);
}

/* Features Section */
.features-section {
    padding: 8rem 0;
    background: var(--surface);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(200, 205, 215, 0.2);
    box-shadow: 0 8px 32px rgba(200, 205, 215, 0.08);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(200, 205, 215, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Products Section */
.products-section {
    padding: 8rem 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(200, 205, 215, 0.2);
    box-shadow: 0 8px 32px rgba(200, 205, 215, 0.08);
}

.product-image {
    position: relative;
    aspect-ratio: 16/9;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
}

.product-badge.in-stock {
    background: rgba(34, 197, 94, 0.2);
    color: rgb(34, 197, 94);
}

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* Stats Section */
.stats-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, transparent, rgba(200, 205, 215, 0.04));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(200, 205, 215, 0.2);
    box-shadow: 0 8px 32px rgba(200, 205, 215, 0.08);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.stat-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-content p {
    color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials-section {
    padding: 8rem 0;
}

.testimonial-card {
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}

/* Utilities */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-text h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* Model Section */
.model-section {
    padding: 6rem 0;
    background: var(--surface);
}

.model-container {
    position: relative;
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
}

#model-viewer {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.model-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.model-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(200, 205, 215, 0.08);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-btn:hover {
    background: rgba(200, 205, 215, 0.12);
    transform: translateY(-2px);
}

.model-btn.feature-active {
    background: var(--primary);
    color: var(--background);
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 12, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-content {
    text-align: center;
}

.loading-content h3 {
    margin-bottom: 1rem;
    color: var(--text);
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(200, 205, 215, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transition: width 0.3s ease;
}

/* Model Preview Section */
.model-preview-section {
    padding: 6rem 0;
    background: var(--surface);
}

.model-preview-container {
    margin-top: 3rem;
}

.model-viewer-wrapper {
    position: relative;
    width: 100%;
    height: 600px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    overflow: hidden;
}

#model-viewer {
    width: 100%;
    height: 100%;
}

.model-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.control-group {
    background: rgba(20, 22, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
}

.control-group h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.control-group .buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.model-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(200, 205, 215, 0.08);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-btn i {
    font-size: 1.25rem;
}

.model-btn:hover {
    background: rgba(200, 205, 215, 0.12);
    transform: translateY(-2px);
}

.model-btn.feature-active {
    background: var(--primary);
    color: var(--background);
    border-color: var(--primary);
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 12, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.loading-content {
    text-align: center;
}

.loading-content h3 {
    margin-bottom: 1rem;
    color: var(--text);
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(200, 205, 215, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transition: width 0.3s ease;
}

@media (max-width: 768px) {
    #model-viewer {
        height: 400px;
    }

    .control-group {
        padding: 1rem;
    }

    .model-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}