/* Custom Styles for BKA Website */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

/* Hero pattern background */
.hero-pattern {
    background-image: 
        linear-gradient(30deg, rgba(255,255,255,0.05) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.05) 87.5%, rgba(255,255,255,0.05)),
        linear-gradient(150deg, rgba(255,255,255,0.05) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.05) 87.5%, rgba(255,255,255,0.05)),
        linear-gradient(30deg, rgba(255,255,255,0.05) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.05) 87.5%, rgba(255,255,255,0.05)),
        linear-gradient(150deg, rgba(255,255,255,0.05) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.05) 87.5%, rgba(255,255,255,0.05));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px;
}

/* Navigation Links */
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: #475569;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0ea5e9, #0284c7);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #0284c7;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Mobile Navigation Links */
.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: #475569;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    transform: translateX(5px);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: #1e293b;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(251, 191, 36, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(251, 191, 36, 0.4);
}

.btn-outline-white {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: white;
    background: transparent;
    border: 2px solid white;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-outline-white:hover {
    background: white;
    color: #0284c7;
    transform: translateY(-2px);
}

.btn-small {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.btn-small:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 15px -3px rgba(14, 165, 233, 0.4);
}

/* Feature Cards */
.feature-card {
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    color: white;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Product Cards */
.product-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.9), rgba(2, 132, 199, 0.9));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Gallery Items */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    aspect-ratio: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
    z-index: 10;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.2);
    filter: brightness(0.8);
}

/* Footer Links */
.footer-link {
    color: #94a3b8;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: white;
    padding-left: 0.5rem;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    border-radius: 50%;
    box-shadow: 0 10px 20px -5px rgba(37, 211, 102, 0.5);
    transition: all 0.3s ease;
    z-index: 1000;
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px -5px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 20px -5px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 10px 30px 0px rgba(37, 211, 102, 0.7);
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.scroll-to-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Form Elements */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: #1e293b;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #334155;
}

/* Timeline */
.timeline-item {
    position: relative;
    padding-left: 2.5rem;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 2rem;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #0ea5e9, transparent);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.3);
}

/* Responsive utilities */
@media (max-width: 768px) {
    .hero-pattern {
        background-size: 40px 70px;
        background-position: 0 0, 0 0, 20px 35px, 20px 35px;
    }
    
    .floating-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 3rem;
        height: 3rem;
    }
    
    .floating-whatsapp i {
        font-size: 1.5rem;
    }
    
    .scroll-to-top {
        bottom: 1.5rem;
        left: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Image lazy loading effect */
img {
    transition: opacity 0.3s ease;
}

img.loading {
    opacity: 0.5;
}

img.loaded {
    opacity: 1;
}