/* Base & utilities */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal — progressive enhancement, only when JS runs and user prefers motion */
@media (prefers-reduced-motion: no-preference) {
    .animate-scroll-reveal .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .animate-scroll-reveal .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    /* Stagger children slightly */
    .animate-scroll-reveal .reveal:nth-child(2) { transition-delay: 0.1s; }
    .animate-scroll-reveal .reveal:nth-child(3) { transition-delay: 0.2s; }
}

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

#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

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

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(123, 45, 59, 0.2);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Image aspect ratio helpers */
img {
    max-width: 100%;
    height: auto;
}

/* Selection color */
::selection {
    background: rgba(123, 45, 59, 0.6);
    color: #fff;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #f5b5be;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}