/**
 * Cepultrason - Ana Stil Dosyası
 */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #059669;
    --accent-color: #f59e0b;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --bg-light: #f1f5f9;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.25rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo-img {
    height: 130px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
    mix-blend-mode: multiply;
    /* Beyaz arka planı şeffaf yapar */
}

.logo:hover .nav-logo-img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.15rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.admin-link {
    background: var(--primary-color);
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
}

.admin-link:hover {
    background: var(--primary-dark);
}

.admin-link::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: #020617;
    color: white;
    padding: 180px 0 220px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 40%),
        linear-gradient(135deg, rgba(2, 6, 23, 1) 0%, rgba(15, 23, 42, 1) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 150px;
    background: var(--bg-white);
    clip-path: polygon(0 100%, 100% 100%, 100% 0);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
    background: linear-gradient(to right, #ffffff, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 16px;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 10px 20px -10px var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px -10px var(--primary-color);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-4px);
}

.btn-outline {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-4px);
}

/* Sections */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: 5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.product-card {
    background: var(--bg-white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

/* Modern Slider & Card Styles (Image Match) */
.section-header-slider {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding: 0 10px;
}

.slider-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.slider-title span {
    color: var(--primary-light);
    font-weight: 300;
    margin-left: 5px;
}

.slider-nav {
    display: flex;
    gap: 10px;
}

.swiper-button-next-custom,
.swiper-button-prev-custom {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 50%;
}

.swiper-button-next-custom:hover,
.swiper-button-prev-custom:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.product-card-modern {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-card-modern:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
    border-color: var(--primary-light);
}

.product-card-top {
    padding: 20px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.product-img-main {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-card-modern:hover .product-img-main {
    transform: scale(1.05);
}

.product-card-bottom {
    background: var(--bg-light);
    padding: 30px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
    min-height: 250px;
}

.product-name-modern {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-desc-modern {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-card-action {
    margin-top: auto;
}

.btn-more-modern {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 10px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-more-modern:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: scale(1.05);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-light);
}

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-featured {
    position: relative;
}

.product-featured::before {
    content: 'Öne Çıkan';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
}

/* Programs Section */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.program-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.program-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.program-icon {
    font-size: 4.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.program-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.program-platform {
    display: inline-block;
    background: var(--bg-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.program-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.program-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.program-info-item {
    text-align: center;
}

.program-info-label {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
}

.program-info-value {
    font-weight: 600;
    color: var(--text-dark);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-item {
    text-align: center;
    padding: 3.5rem 2rem;
    background: var(--bg-white);
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.feature-item:hover {
    background: var(--bg-white);
    transform: translateY(-15px) rotateX(5deg);
    box-shadow: 0 30px 60px -12px rgba(50, 50, 93, 0.25), 0 18px 36px -18px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    background: var(--bg-light);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 25px;
    margin-left: auto;
    margin-right: auto;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background: var(--primary-color);
    color: white;
    transform: rotate(10deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 3.5rem 2rem;
    background: var(--text-dark);
    border-radius: 30px;
    color: white;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.05);
    background: var(--primary-color);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 1rem;
    display: block;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Product Detail */
.product-detail {
    padding: 3rem 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.product-detail-image {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.product-detail-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.product-detail-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.product-detail-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-specifications {
    margin-top: 2rem;
}

.product-specifications h3 {
    margin-bottom: 1rem;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.spec-list li:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    display: inline-block;
    width: 150px;
}

/* Filters */
.filters {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.filter-group {
    margin-bottom: 1rem;
}

.filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Floating Call Button */
.floating-call {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #10b8cf;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(16, 184, 207, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    z-index: 1100;
}

.floating-call i {
    font-size: 22px;
}

.floating-call:hover {
    background: #0ea5ba;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(16, 184, 207, 0.45);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .products-grid,
    .programs-grid {
        grid-template-columns: 1fr;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .floating-call {
        width: 48px;
        height: 48px;
        right: 16px;
        bottom: 16px;
    }

    .floating-call i {
        font-size: 18px;
    }
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
}

.spinner {
    border: 4px solid var(--bg-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

/* Certifications Section */
.certifications-section {
    margin: 4rem 0;
    padding: 3rem 0;
    background: linear-gradient(to bottom, transparent, var(--bg-light), transparent);
    border-radius: 15px;
}

.certifications-section .section-title {
    margin-bottom: 0.5rem;
}

.certifications-section .section-subtitle {
    margin-bottom: 3rem;
}

.certifications-top {
    margin-bottom: 3rem;
    text-align: center;
}

.certification-top-wrapper {
    max-width: 980px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.certification-top-wrapper:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.certification-image-top {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    margin: 0 auto;
}

.certifications-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.certification-panel {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 1.25rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.certification-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.certification-panel:hover::before {
    transform: scaleX(1);
}

.certification-panel:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.certification-panel-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certification-image {
    max-width: 70%;
    height: auto;
    border-radius: 8px;
    display: block;
    transition: var(--transition);
}

.certification-panel:hover .certification-image {
    transform: scale(1.02);
}

/* Responsive Certifications */
@media (max-width: 768px) {
    .certifications-section {
        padding: 2rem 0;
        margin: 3rem 0;
    }

    .certifications-bottom {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 100%;
    }

    .certification-panel {
        padding: 1.5rem;
    }

    .certification-top-wrapper {
        padding: 1.5rem;
    }

    .certifications-section .section-subtitle {
        margin-bottom: 2rem;
    }
}

/* Product Image Slider */
.product-image-slider-container {
    position: relative;
    min-width: 0;
    /* Prevents grid column from expanding beyond its boundary when child has overflow */
}

.product-slider-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
    background: var(--bg-white);
}

.product-slider {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 75%;
    /* 4:3 aspect ratio */
    overflow: hidden;
}

.slider-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
}

.slider-slide.active {
    opacity: 1;
    z-index: 1;
}

.slider-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg-white);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.slider-image:hover {
    transform: scale(1.02);
}

/* Slider Video */
.slider-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    cursor: pointer;
}

/* Thumbnail Video Overlay */
.thumbnail-item.thumbnail-video {
    position: relative;
}

.thumbnail-video-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.65);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    pointer-events: none;
    z-index: 5;
    transition: all 0.3s ease;
}

.thumbnail-item.thumbnail-video:hover .thumbnail-video-overlay {
    background: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Navigation Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    color: var(--text-dark);
    font-size: 1.2rem;
}

.slider-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.slider-btn-prev {
    left: 15px;
}

.slider-btn-next {
    right: 15px;
}

.slider-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.slider-btn:disabled:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-dark);
    transform: translateY(-50%);
}

/* Image Counter */
.slider-counter {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    z-index: 10;
    backdrop-filter: blur(5px);
}

/* Thumbnail Navigation */
.slider-thumbnails {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-light);
    width: 100%;
    box-sizing: border-box;
}

.slider-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.slider-thumbnails::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 3px;
}

.slider-thumbnails::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.thumbnail-item {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    background: var(--bg-light);
}

.thumbnail-item:hover {
    border-color: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.thumbnail-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.thumbnail-item:hover img {
    transform: scale(1.1);
}

/* Stats Section */
.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    padding: 6rem 0;
}

.stat-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-white);
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 40px 80px -15px rgba(2, 6, 23, 0.2);
    border-color: var(--primary-color);
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.stat-item:hover::after {
    transform: scaleX(1);
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Responsive Slider */
@media (max-width: 768px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-slider {
        padding-bottom: 100%;
        /* 1:1 aspect ratio on mobile */
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slider-btn-prev {
        left: 10px;
    }

    .slider-btn-next {
        right: 10px;
    }

    .slider-counter {
        bottom: 10px;
        right: 10px;
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .thumbnail-item {
        width: 80px;
        height: 80px;
    }

    .slider-thumbnails {
        gap: 0.5rem;
    }
}