/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #FDE68A;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1A0B17;
}
::-webkit-scrollbar-thumb {
    background: #6B3A6E;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #86306D;
}

/* Reveal animations — progressive enhancement, only active with JS + reduced-motion off */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.is-revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal:nth-child(2) { transition-delay: 0.08s; }
    .reveal:nth-child(3) { transition-delay: 0.16s; }
    .reveal:nth-child(4) { transition-delay: 0.24s; }
    .reveal:nth-child(5) { transition-delay: 0.32s; }

    .stat-card {
        opacity: 0;
        transform: translateX(24px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .stat-card.is-revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .stat-card:nth-child(1) { transition-delay: 0.2s; }
    .stat-card:nth-child(2) { transition-delay: 0.35s; }
    .stat-card:nth-child(3) { transition-delay: 0.5s; }
}

/* Card hover effect */
.card-hover {
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s ease,
                box-shadow 0.4s ease;
}
.card-hover:hover {
    transform: translateY(-6px);
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(26, 11, 23, 0.92) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(107, 58, 110, 0.3);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

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

/* Focus visible */
:focus-visible {
    outline: 2px solid #FCD34D;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Custom select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23D794C8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

/* Subtle grain texture overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}