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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(125, 211, 192, 0.3);
    color: #fff;
}

/* Scroll reveal base — content is visible by default, JS adds animation */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 0;
    transform: translateY(40px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal.revealed {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal.animated {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(3, 8, 20, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #060F1F;
}
::-webkit-scrollbar-thumb {
    background: rgba(125, 211, 192, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(125, 211, 192, 0.5);
}

/* Select styling */
select option {
    background: #060F1F;
    color: #fff;
}

/* Image lazy loading fade */
img[loading="lazy"] {
    transition: opacity 0.5s ease;
}