      @import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&display=swap');



 body {
        font-family: 'Cairo', sans-serif;
        background-color: #fcfcfc;
        color: var(--slate-900);
    }

    .product-page-container {
        width: 100%;
        padding: 140px 5% 80px;
    }

    .gallery-container {
        position: sticky;
        top: 140px;
    }

    .main-stage {
        background: radial-gradient(circle at center, #f1f5f9 0%, #ffffff 100%);
        border-radius: 40px;
        aspect-ratio: 4/3;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 40px;
        transition: all 0.5s ease;
        border: 1px solid #f1f5f9;
    }

    .main-stage img {
        max-width: 90%;
        max-height: 90%;
        object-fit: contain;
        filter: drop-shadow(0 20px 40px rgba(0,0,0,0.08));
        transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .thumb-btn {
        width: 80px;
        height: 80px;
        border-radius: 18px;
        border: 2px solid transparent;
        background: #fff;
        padding: 10px;
        cursor: pointer;
        transition: all 0.3s;
        box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    }

    .thumb-btn.active {
        border-color: var(--brand-red);
        box-shadow: 0 10px 20px rgba(225, 29, 72, 0.1);
    }

    .product-title {
        font-size: clamp(2rem, 4vw, 3.5rem);
        font-weight: 900;
        line-height: 1.1;
        letter-spacing: -1px;
        color: var(--slate-900);
    }

    .sku-badge {
        font-size: 12px;
        font-weight: 800;
        color: var(--brand-red);
        background: rgba(225, 29, 72, 0.05);
        padding: 4px 12px;
        border-radius: 6px;
        text-transform: uppercase;
    }

    .spec-card {
        background: white;
        border: 1px solid #f1f5f9;
        padding: 20px;
        border-radius: 20px;
        text-align: center;
        transition: all 0.3s ease;
    }

    .spec-card:hover {
        border-color: var(--brand-red);
        transform: translateY(-5px);
    }

    .btn-main {
        background: var(--slate-900);
        color: white;
        padding: 18px 40px;
        border-radius: 20px;
        font-weight: 700;
        font-size: 16px;
        display: inline-flex;
        align-items: center;
        gap: 12px;
        transition: all 0.3s;
    }

    .btn-main:hover {
        background: var(--brand-red);
        box-shadow: 0 15px 30px rgba(225, 29, 72, 0.2);
        transform: translateY(-3px);
    }

    .btn-outline {
        border: 1px solid #e2e8f0;
        padding: 18px 40px;
        border-radius: 20px;
        font-weight: 700;
        color: var(--slate-900);
        transition: all 0.3s;
    }

    .btn-outline:hover {
        background: #f8fafc;
    }

    .related-title {
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 30px;
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .related-title::after {
        content: '';
        flex: 1;
        height: 1px;
        background: #f1f5f9;
    }

    .modal-glass {
        backdrop-filter: blur(15px);
        background: rgba(255, 255, 255, 0.85);
        border-radius: 30px;
        border: 1px solid white;
    }