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

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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations - Progressive Enhancement */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Navbar transitions */
#navbar.scrolled {
    background: rgba(5, 11, 23, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #4bbf8a;
    transition: width 0.3s ease;
}

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

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

::-webkit-scrollbar-track {
    background: #091426;
}

::-webkit-scrollbar-thumb {
    background: #2d4f8a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4bbf8a;
}

/* Selection color */
::selection {
    background: #4bbf8a;
    color: #050b17;
}

/* Image loading optimization */
img {
    max-width: 100%;
    height: auto;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #4bbf8a;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* Subtle hover lift for cards */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* Gradient text effect for hero */
.text-mint-300 {
    color: #7dd4ad;
}

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

/* Print styles */
@media print {
    #navbar, #mobile-menu, .reveal {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}