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

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #3a0c17;
}
::-webkit-scrollbar-thumb {
    background: #801a38;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9c1e41;
}

/* Selection */
::selection {
    background: #fbbf24;
    color: #3a0c17;
}

/* Scroll reveal base — progressive enhancement via JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Navbar scroll state */
#site-header.scrolled {
    background: rgba(58, 12, 23, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu transitions */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* Image hover zoom */
img {
    transition: transform 0.5s ease;
}

/* Button focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Decorative pattern for sections */
section::before {
    content: '';
    display: block;
}