.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.product-header {
    padding: 1.5rem;
}

.product-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    flex-shrink: 0;
}

.product-badges {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-end;
}

.product-body {
    padding: 1.5rem;
}

.product-visual {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
}

.spec-box {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

    .spec-box:hover {
        background: #e9ecef;
        transform: scale(1.05);
    }

.spec-value {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}

.spec-label {
    font-size: 0.75rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .feature-list li {
        padding: 0.5rem 0;
        border-bottom: 1px solid #f0f0f0;
    }

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

.price-badge {
    display: inline-block;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
}

.size-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

    .size-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    }

.size-icon-wrapper {
    width: 100px;
    height: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin: 0 auto;
}

.size-specs .badge {
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
}

.wood-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

    .wood-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    }

.wood-icon-wrapper {
    width: 100px;
    height: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin: 0 auto;
}

.wood-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

    .wood-features li {
        padding: 0.5rem 0;
        font-size: 0.9rem;
    }

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.advantage-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: white;
    font-size: 1.5rem;
}

.advantage-content h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.eco-card {
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.15);
}

.eco-stat {
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 12px;
}

.eco-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.cta-icon-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-box {
    transition: all 0.3s ease;
}

    .stat-box:hover {
        transform: translateY(-4px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

.help-box {
    max-width: 600px;
}

@media (max-width: 991.98px) {
    .product-header {
        padding: 1.25rem;
    }

    .product-body {
        padding: 1.25rem;
    }

    .product-icon {
        width: 50px;
        height: 50px;
    }

        .product-icon i {
            font-size: 1.5rem;
        }

    .product-badges {
        position: static;
        flex-direction: row;
        margin-top: 0.75rem;
    }

    .cta-icon-wrapper {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .size-card, .wood-card {
        padding: 1.5rem;
    }

    .size-icon-wrapper,
    .wood-icon-wrapper {
        width: 80px;
        height: 80px;
    }

        .size-icon-wrapper i,
        .wood-icon-wrapper i {
            font-size: 2rem !important;
        }

    .advantage-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
    }

    .spec-value {
        font-size: 0.95rem;
    }

    .spec-label {
        font-size: 0.7rem;
    }

    .help-box {
        padding: 1.5rem !important;
    }
}

@media (max-width: 575.98px) {
    .product-header h3 {
        font-size: 1.1rem;
    }

    .product-header p {
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .display-6 {
        font-size: 1.75rem;
    }

    .lead {
        font-size: 1rem;
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.product-card,
.size-card,
.wood-card {
    animation: fadeInUp 0.6s ease-out;
}

html {
    scroll-behavior: smooth;
}

.btn {
    transition: all 0.3s ease;
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .btn:active {
        transform: translateY(0);
    }

.badge {
    transition: all 0.3s ease;
}

.product-badges .badge:hover {
    transform: scale(1.1);
}