/* Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar Scroll Effect */
.navbar-scrolled {
    box-shadow: 0 4px 20px rgba(10, 22, 40, 0.08);
}

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

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: #4ade80;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #22c55e;
}

/* Selection */
::selection {
    background: #4ade80;
    color: #0a1628;
}

/* Mobile Menu Transition */
#mobile-menu {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

#mobile-menu.hidden {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobile-menu:not(.hidden) {
    max-height: 400px;
    opacity: 1;
}

/* Button Focus States */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #4ade80;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image Loading */
img {
    image-rendering: auto;
}

/* Smooth image transitions */
.group img {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}