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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal — progressive enhancement, hidden only when JS is active */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Marquee animation */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Hamburger animation */
#site-header.menu-open #bar1 {
    transform: translateY(7px) rotate(45deg);
}

#site-header.menu-open #bar2 {
    opacity: 0;
}

#site-header.menu-open #bar3 {
    transform: translateY(-7px) rotate(-45deg);
}

/* Header background */
#site-header.scrolled {
    background: rgba(7, 16, 32, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #071020;
}

::-webkit-scrollbar-thumb {
    background: #D4A017;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E8B931;
}

/* Selection */
::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #fff;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .animate-marquee {
        animation: none;
    }
    html {
        scroll-behavior: auto;
    }
}