/* Custom CSS for Chhaya Photography Modern Website */

/* Font Families */
.font-display {
    font-family: 'Playfair Display', serif;
}

.font-sans {
    font-family: 'Inter', sans-serif;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #8B1538;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C41E3A;
}

/* Hero Image Parallax Effect - Optimized for Performance */
.hero-image {
    will-change: transform;
    transform: translateZ(0) scale(1.05);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-perspective: 1000;
    perspective: 1000;
}

/* Hero image - responsive object-position */
.hero-image {
    object-position: 50% 50%;
}

/* Remove hover effect on hero for better performance */
@media (prefers-reduced-motion: no-preference) {
    .hero-image {
        transition: transform 0.3s ease-out;
    }
}

/* Desktop view - display image as-is */
@media (min-width: 768px) {
    .hero-image {
        object-position: unset !important;
    }
}

/* Navbar Scroll Effect */
.navbar-scrolled {
    padding: 0.75rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Portfolio Filter Animation */
.filter-btn {
    transition: all 0.3s ease;
}

.filter-btn.active {
    transform: scale(1.05);
}

/* Portfolio Item Reveal Animation - Optimized */
.portfolio-item {
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.portfolio-item img {
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* Smooth Image Loading - Optimized */
img {
    transition: opacity 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

img:not([loading="eager"]) {
    loading: lazy;
}

/* Reduce motion for accessibility and performance */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-image {
        transform: scale(1.05);
    }
}

img[data-loaded="false"] {
    opacity: 0.5;
}

img[data-loaded="true"] {
    opacity: 1;
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, #8B1538 0%, #D32F2F 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Effect */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Back to Top Button Animation */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.show {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:hover {
    transform: translateY(-5px);
}

/* Mobile Menu Animation */
.mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    to {
        left: 100%;
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-image {
        transform: scale(1.05);
    }
}

/* Print Styles */
@media print {
    nav, footer, #back-to-top {
        display: none;
    }
}

/* Accessibility */
.focus-visible:focus {
    outline: 2px solid #8B1538;
    outline-offset: 2px;
}

/* Selection Color */
::selection {
    background-color: #8B1538;
    color: white;
}

::-moz-selection {
    background-color: #8B1538;
    color: white;
}

/* Custom Animations for AOS */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Video Container Responsive */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Gallery Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Form Validation */
input:invalid, textarea:invalid, select:invalid {
    border-color: #ef4444;
}

input:valid, textarea:valid, select:valid {
    border-color: #10b981;
}

/* Testimonial Card Hover */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Social Icons Pulse Effect */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.social-icon:hover {
    animation: pulse 0.6s ease;
}

/* scroll behavior */

html { 
    scroll-behavior: smooth;
}