/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background: rgba(255, 122, 63, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #353535;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4f4f4f;
}

/* Service card hover effects */
.service-card {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease, border-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(15, 15, 15, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-scrolled #navbar {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu animations */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Hamburger animation */
#bar1.open {
    transform: rotate(45deg) translate(5px, 5px);
}

#bar2.open {
    opacity: 0;
}

#bar3.open {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* 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;
    }
}

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #ff7a3f;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image loading placeholder */
img {
    background-color: #2a2a2a;
}

/* Smooth image transitions */
img {
    transition: opacity 0.3s ease;
}

img.loaded {
    opacity: 1;
}