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

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

body {
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f0fdf9;
}
::-webkit-scrollbar-thumb {
    background: #86efac;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #4ade80;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s ease-out forwards;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(10, 20, 48, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-scrolled .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

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

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

/* Service card hover */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* Link hover underline animation */
a {
    text-decoration: none;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid #86efac;
    outline-offset: 2px;
}

/* Smooth image loading */
img {
    loading: lazy;
}