/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(255, 92, 34, 0.3);
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #111111;
}
::-webkit-scrollbar-thumb {
    background: #3d3d3d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #ff5c22;
}

/* Floating Stat Cards Animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.stat-card {
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(1) { animation-delay: 0s; }
.stat-card:nth-child(2) { animation-delay: 1.5s; }
.stat-card:nth-child(3) { animation-delay: 3s; }
.stat-card:nth-child(4) { animation-delay: 4.5s; }

/* Service Card Hover */
.service-card {
    transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(255, 92, 34, 0.1);
}

/* Gallery Hover */
.gallery-item {
    overflow: hidden;
    position: relative;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 17, 17, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Testimonial Card */
.testimonial-card {
    transition: transform 0.5s ease, border-color 0.5s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 92, 34, 0.3);
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.scroll-reveal.delay-1 { transition-delay: 0.1s; }
.scroll-reveal.delay-2 { transition-delay: 0.2s; }
.scroll-reveal.delay-3 { transition-delay: 0.3s; }
.scroll-reveal.delay-4 { transition-delay: 0.4s; }
.scroll-reveal.delay-5 { transition-delay: 0.5s; }
.scroll-reveal.delay-6 { transition-delay: 0.6s; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}

/* Mobile Menu Transitions */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Focus Styles */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(255, 92, 34, 0.3);
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Navbar backdrop blur */
#navbar.scrolled {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(61, 61, 61, 0.3);
}

/* Active nav link */
.nav-link.active {
    color: #ff7f4d;
}