.bg-gradient-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

.main-visual {
    position: relative;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

    .main-visual:hover {
        transform: scale(1.02);
    }

.product-badges {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
}

.quick-specs-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);
}

.specs-header {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: white;
    padding: 1.25rem 1.5rem;
}

    .specs-header h5 {
        margin: 0;
        font-size: 1.1rem;
    }

.specs-grid {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

    .spec-item:hover {
        background: #e9ecef;
        transform: translateY(-3px);
    }

.spec-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.spec-content {
    flex: 1;
}

.spec-value {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

.product-header .header-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.75rem;
    margin-right: 1rem;
}

.price-section {
    background: #f8f9fa;
    padding: 1.25rem;
    border-radius: 12px;
    border-left: 4px solid #0d6efd;
}

.price-tag {
    display: inline-block;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.25rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

    .feature-badge:hover {
        background: #e9ecef;
        transform: translateX(5px);
    }

    .feature-badge i {
        font-size: 0.85rem;
    }

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

    .cta-actions .btn {
        flex: 1;
        min-width: 150px;
    }

.tech-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;
    height: 100%;
}

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

.tech-card-header {
    padding: 1.25rem 1.5rem;
    color: white;
    display: flex;
    align-items: center;
}

.tech-card-body {
    padding: 1.5rem;
}

.tech-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
}

    .tech-row:last-child {
        border-bottom: none;
    }

    .tech-row.highlight {
        background: rgba(40, 167, 69, 0.05);
        padding: 0.75rem;
        border-radius: 8px;
        margin-bottom: 0.5rem;
    }

.tech-label {
    font-weight: 600;
    color: #495057;
}

.tech-value {
    color: #212529;
    font-weight: 500;
}

.usage-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;
    height: 100%;
}

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

.usage-icon {
    width: 80px;
    height: 80px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    color: white;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    position: relative;
}

    .usage-icon::after {
        content: '';
        position: absolute;
        inset: -5px;
        border-radius: 20px;
        background: inherit;
        opacity: 0.3;
        z-index: -1;
        filter: blur(10px);
    }

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

    .usage-list li {
        padding: 0.4rem 0;
        font-size: 0.9rem;
        color: #6c757d;
        position: relative;
        padding-left: 1.5rem;
    }

        .usage-list li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: #0d6efd;
            font-weight: bold;
        }

.cta-icon-wrapper {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

@media (max-width: 991.98px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .usage-icon {
        width: 70px;
        height: 70px;
        font-size: 1.5rem;
    }
}

@media (max-width: 767.98px) {
    .main-visual {
        min-height: 250px;
        padding: 2rem !important;
    }

        .main-visual .display-1 {
            font-size: 3rem !important;
        }

    .product-badges {
        top: 1rem;
        right: 1rem;
    }

        .product-badges .badge {
            font-size: 0.75rem;
            padding: 0.35rem 0.65rem;
        }

    .specs-header {
        padding: 1rem 1.25rem;
    }

    .specs-grid {
        padding: 1.25rem;
    }

    .spec-item {
        padding: 0.75rem;
    }

    .spec-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .product-header .header-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .price-section {
        padding: 1rem;
    }

    .price-tag {
        font-size: 1.1rem;
        padding: 0.4rem 1rem;
    }

    .cta-actions {
        flex-direction: column;
    }

        .cta-actions .btn {
            width: 100%;
        }

    .tech-card-header {
        padding: 1rem 1.25rem;
    }

    .tech-card-body {
        padding: 1.25rem;
    }

    .tech-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: 0.5rem 0;
    }

    .usage-card {
        padding: 1.5rem;
    }

    .usage-visual {
        padding: 2rem !important;
    }

        .usage-visual i {
            font-size: 2.5rem !important;
        }
}

@media (max-width: 575.98px) {
    .display-6 {
        font-size: 1.75rem;
    }

    .lead {
        font-size: 1rem;
    }

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

    .spec-value {
        font-size: 1rem;
    }

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

    .usage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }

    .usage-list li {
        font-size: 0.85rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.tech-card,
.usage-card {
    animation: fadeInUp 0.6s ease-out;
}

    .tech-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .tech-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .tech-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .usage-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .usage-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .usage-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .usage-card:nth-child(4) {
        animation-delay: 0.4s;
    }

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);
    }

.tech-card:focus,
.usage-card:focus {
    outline: 3px solid #0d6efd;
    outline-offset: 2px;
}

@media print {
    .tech-card, .usage-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #dee2e6;
    }

    .btn,
    .product-badges {
        display: none;
    }

    .main-visual {
        border: 2px solid #dee2e6;
    }
}