/* Tối ưu scrollspy */
html {
    scroll-padding-top: 80px; 
}

/* Banner overlay */
.banner-img {
    height: 75vh;
    object-fit: cover;
    filter: brightness(0.65);
}

.search-form input:focus {
    box-shadow: none;
    border-color: transparent;
}

/* Service Card Hover */
.service-card {
    transition: all 0.3s ease;
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

/* Portfolio Hover Effect */
.portfolio-item img {
    transition: transform 0.4s ease;
}
.portfolio-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.portfolio-item:hover img {
    transform: scale(1.1);
}
.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

/* Pricing Card Hover */
.pricing-card {
    transition: transform 0.3s ease;
}
.pricing-card:hover {
    transform: scale(1.03);
}

/* Thông báo lỗi Form */
.error-msg {
    display: none;
    font-size: 0.85rem;
    margin-top: 5px;
    font-style: italic;
}

/* --- HIỆU ỨNG CARD SẢN PHẨM MỚI --- */
.product-card {
   background: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: blur(10px);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.product-card .overflow-hidden img {
    transition: transform 0.4s ease;
}

.product-card:hover .overflow-hidden img {
    transform: scale(1.1); 
}

/* Nút thêm giỏ hàng */
.btn-add-cart {
    transition: all 0.3s ease;
}

.btn-add-cart:hover {
    background-color: #ffc107 !important; 
    color: #000 !important;
    border-color: #ffc107 !important;
}