/* Custom styles for Chuanghuada website */

/* Hero section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

/* Product cards */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Advantage cards */
.advantage-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Brand logos */
.brand-logo {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.brand-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Floating buttons */
.floating-rfq {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-contact {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
}

/* Mega menu */
.mega-menu {
    position: absolute;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    padding: 20px;
}

.nav-item:hover .mega-menu {
    display: block;
}

/* Search results */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.search-results.show {
    display: block;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #0066cc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #003366;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .floating-contact {
        right: 15px;
    }
    
    .floating-rfq {
        bottom: 15px;
        right: 15px;
    }
    
    .mega-menu {
        position: static;
        box-shadow: none;
        display: none;
    }
    
    .nav-item:hover .mega-menu {
        display: none;
    }
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #0066cc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom form styles */
.form-control:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.btn-primary {
    background-color: #0066cc;
    border-color: #0066cc;
}

.btn-primary:hover {
    background-color: #0052a3;
    border-color: #0052a3;
}

/* Card hover effects */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Breadcrumb */
.breadcrumb {
    background-color: #f8f9fa;
    border-radius: 0.25rem;
    padding: 0.75rem 1rem;
}

/* Section spacing */
.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

/* Text utilities */
.text-primary {
    color: #0066cc !important;
}

.bg-primary {
    background-color: #0066cc !important;
}

/* Padding utilities */
.pl-4 {
    padding-left: 1.5rem !important;
}

/* Link styles */
a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    color: #003366;
    text-decoration: underline;
}