/* Base & utilities */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal base states — content is VISIBLE by default */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Only apply hidden state when JS adds the .revealed class — progressive enhancement */
.reveal-up.revealed {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-left.revealed {
    opacity: 0;
    transform: translateX(-30px);
}

.reveal-right.revealed {
    opacity: 0;
    transform: translateX(30px);
}

/* Animations when JS triggers */
.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Hero reveal-up initial state — JS adds is-visible */
.hero-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(26, 26, 26, 0.92) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.25s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right,
    .hero-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}