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

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0a0f1e;
}

::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(45, 212, 191, 0.5);
}

/* Selection */
::selection {
    background: rgba(45, 212, 191, 0.3);
    color: #f0fdf9;
}

/* Scroll Line Animation */
@keyframes scrollLine {
    0% {
        top: -16px;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        top: calc(100% + 16px);
        opacity: 0;
    }
}

.animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
}

/* Product Card Hover */
.product-card {
    will-change: transform;
}

/* Mobile Menu States */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Mobile Link Hover */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #2dd4bf;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.mobile-link:hover::after {
    width: 100%;
}

/* Input Autofill Override */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0d1529 inset !important;
    -webkit-text-fill-color: #f0fdf9 !important;
    caret-color: #f0fdf9;
}

/* Focus visible styles */
input:focus,
textarea:focus,
button:focus {
    outline: none;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .animate-scroll-line {
        animation: none;
    }
    
    .product-card img,
    .overflow-hidden img {
        transition: none;
    }
    
    .product-card:hover img,
    .overflow-hidden:hover img {
        transform: none;
    }
}

/* Smooth reveal animations (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Navbar scrolled state */
#navbar.scrolled {
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Hero image subtle parallax */
#hero img {
    will-change: transform;
}