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

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Reveal animations - progressive enhancement only */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(24px);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(26, 29, 35, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(75, 85, 99, 0.3);
}

/* Mobile menu animations */
#mobile-menu.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu.open .menu-line:nth-child(3) {
    width: 20px;
    margin-left: 0;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1a1d23;
}
::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B4A;
}

/* Selection color */
::selection {
    background: rgba(255, 107, 74, 0.3);
    color: #fff;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #FF6B4A;
    outline-offset: 2px;
}