*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: #2C3035;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Loader */
#page-loader {
    opacity: 1;
}

#page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Header */
#site-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

#site-header.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* Mobile menu */
#mobile-menu {
    opacity: 0;
    pointer-events: none;
}

#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-line {
    display: block;
}

#mobile-menu-btn.active .mobile-menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

#mobile-menu-btn.active .mobile-menu-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active .mobile-menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 24px;
}

/* Hero badge animation */
.hero-badge {
    animation: fadeInUp 0.8s ease-out both;
}

/* Service cards */
.service-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Scroll animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Slide animations */
.slide-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

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

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.animate-slide-down {
    animation: slideDown 1.5s ease-in-out infinite;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal, .slide-left, .slide-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animate-slide-down {
        animation: none;
    }
    
    #page-loader {
        display: none;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #FF6B4F;
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: #FF6B4F;
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}