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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal animations — progressive enhancement, only active when JS loads and motion is preferred */
.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(32px);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
    .reveal:nth-child(5) { transition-delay: 0.4s; }
    .reveal:nth-child(6) { transition-delay: 0.5s; }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(15, 17, 21, 0.92) !important;
    backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0F1115;
}
::-webkit-scrollbar-thumb {
    background: #2A2D35;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6347;
}

/* Selection */
::selection {
    background: rgba(255, 99, 71, 0.3);
    color: #fff;
}

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
}