*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Header scroll state */
.header-scrolled {
    background: rgba(26, 10, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

header {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
}

/* Mobile menu */
#mobileMenu {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open .mobile-menu-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.2s; }

/* Menu toggle animation */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    width: 6;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Scroll reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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: 1;
    transform: translateY(0);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .group img {
        transition: none;
    }
}

/* Selection color */
::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #f5eaea;
}

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

::-webkit-scrollbar-track {
    background: #1a0a12;
}

::-webkit-scrollbar-thumb {
    background: #743143;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a85568;
}