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

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

body {
    background-color: #090912;
    color: #ececf1;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #090912;
}
::-webkit-scrollbar-thumb {
    background: #2a2a3f;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #5a5a73;
}

/* Selection */
::selection {
    background-color: #ff6b3f;
    color: #090912;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Reveal on scroll */
.reveal-on-scroll {
    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-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-on-scroll.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#mobile-menu-btn.active span span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

#mobile-menu-btn.active span span:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active span span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 50%;
}

/* Header scrolled state */
#site-header.scrolled {
    background-color: rgba(9, 9, 18, 0.95);
    backdrop-filter: blur(12px);
    border-bottom-color: rgba(90, 90, 115, 0.3);
}