.parts-merch-section {
    background: var(--secondary-black);
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
}

.parts-merch-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(45deg, transparent 30%, rgba(229, 0, 0, 0.05) 50%, transparent 70%),
        radial-gradient(circle at 20% 50%, rgba(229, 0, 0, 0.08) 0%, transparent 55%),
        radial-gradient(circle at 80% 50%, rgba(229, 0, 0, 0.08) 0%, transparent 55%);
    pointer-events: none;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.header-accent {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
    margin: 0 auto 30px;
    animation: expandWidth 2s ease-in-out infinite;
}

@keyframes expandWidth {
    0%, 100% { width: 100px; opacity: 0.6; }
    50% { width: 200px; opacity: 1; }
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--pure-white);
    letter-spacing: 4px;
    margin-bottom: 20px;
    text-transform: uppercase;
    text-shadow: 0 0 30px rgba(229, 0, 0, 0.3);
}

.section-subtitle {
    font-family: var(--font-secondary);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}
.product-card {
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.95) 0%, rgba(18, 18, 18, 0.95) 100%);
    border-radius: 20px;
    padding: 50px 40px;
    position: relative;
    text-decoration: none;
    overflow: hidden;
    border: 2px solid #333;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.card-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(229, 0, 0, 0.12) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover .card-background {
    opacity: 1;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 0, 0.2), transparent);
    transition: left 0.6s ease;
}

.product-card:hover::before {
    left: 100%;
}

.card-shine {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: all 0.6s ease;
    pointer-events: none;
}

.product-card:hover .card-shine {
    right: -200%;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-red);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(229, 0, 0, 0.2),
        inset 0 0 20px rgba(229, 0, 0, 0.05);
}

.card-content {
    position: relative;
    z-index: 2;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-red) 0%, #9b0000 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(229, 0, 0, 0.3);
    transition: all 0.4s ease;
}

.product-card:hover .card-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 15px 40px rgba(229, 0, 0, 0.5);
}

.card-icon svg {
    width: 35px;
    height: 35px;
    color: var(--pure-white);
}

.card-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--pure-white);
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.card-description {
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
    margin-bottom: 30px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.link-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.product-card:hover .card-link {
    gap: 15px;
}

.product-card:hover .link-arrow {
    transform: translateX(5px);
}

.shipping-banner {
    background: linear-gradient(135deg, var(--accent-red) 0%, #9b0000 100%);
    border-radius: 15px;
    padding: 30px 40px;
    display: flex;
    align-items: center;
    gap: 25px;
    box-shadow: 0 10px 40px rgba(229, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.shipping-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: bannerShine 3s ease-in-out infinite;
}

@keyframes bannerShine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.banner-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.banner-text {
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    color: var(--pure-white);
    line-height: 1.6;
}

.banner-text strong {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cards-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-card {
        padding: 40px 30px;
    }
    
    .card-title {
        font-size: 1.6rem;
    }
    
    .shipping-banner {
        flex-direction: column;
        text-align: center;
        padding: 25px 30px;
    }
    
    .banner-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .parts-merch-section {
        padding: 80px 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
}