:root {
    color-scheme: dark;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 14% 18%, rgba(124, 242, 203, 0.15), transparent 26rem),
        radial-gradient(circle at 84% 10%, rgba(126, 215, 255, 0.16), transparent 24rem),
        linear-gradient(135deg, #071013 0%, #0b1519 52%, #061014 100%);
}

.grid-veil::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 120px 120px;
    mask-image: linear-gradient(to bottom, black 0%, rgba(0, 0, 0, 0.8) 46%, transparent 100%);
}

.noise::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.22;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
    mix-blend-mode: soft-light;
}

.glass {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 70px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(22px);
}

.panel-glow {
    box-shadow: 0 0 120px rgba(124, 242, 203, 0.08);
}

.reveal {
    min-width: 0;
    transform: translateY(24px);
    opacity: 0;
    transition: transform 760ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 760ms ease;
}

.reveal.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.tilt-card {
    transform-style: preserve-3d;
    will-change: transform;
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transform-origin: top center;
    pointer-events: none;
    transition:
        max-height 320ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 220ms ease,
        transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 320ms;
}

.mobile-menu.is-open {
    max-height: 24rem;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    transition:
        max-height 360ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 240ms ease,
        transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
}

@media (prefers-reduced-motion: reduce) {

    .reveal,
    .tilt-card,
    .mobile-menu,
    .mobile-menu.is-open {
        transform: none;
        opacity: 1;
        transition: none;
    }

    .mobile-menu {
        visibility: hidden;
    }

    .mobile-menu.is-open {
        max-height: none;
        visibility: visible;
        pointer-events: auto;
    }
}