:root {
    --bg-1: #eef2ff;
    --bg-2: #fdf2f8;
    --card: rgba(255, 255, 255, 0.75);
    --card-borda: rgba(99, 102, 241, 0.15);
    --texto: #1e1b4b;
    --texto-suave: #4b5563;
    --acento-1: #6366f1;
    --acento-2: #ec4899;
    --sombra: 0 20px 50px -12px rgba(79, 70, 229, 0.25);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-1: #0f172a;
        --bg-2: #1e1b4b;
        --card: rgba(30, 41, 59, 0.7);
        --card-borda: rgba(129, 140, 248, 0.25);
        --texto: #f8fafc;
        --texto-suave: #cbd5e1;
        --acento-1: #818cf8;
        --acento-2: #f472b6;
        --sombra: 0 20px 50px -12px rgba(0, 0, 0, 0.6);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 16px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--texto);
    background: linear-gradient(135deg, var(--bg-1), var(--bg-2));
}

.card {
    width: min(100%, 520px);
    padding: 48px 32px;
    text-align: center;
    background: var(--card);
    border: 1px solid var(--card-borda);
    border-radius: 24px;
    box-shadow: var(--sombra);
    backdrop-filter: blur(12px);
    animation: entrada 0.6s ease-out both;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    margin-bottom: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--acento-1);
    background: color-mix(in srgb, var(--acento-1) 12%, transparent);
    border-radius: 999px;
}

.badge::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulso 2s ease-in-out infinite;
}

h1 {
    margin: 0 0 12px;
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.destaque {
    background: linear-gradient(90deg, var(--acento-1), var(--acento-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--texto-suave);
}

.versao {
    margin-top: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--acento-1);
}

@keyframes entrada {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulso {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .card,
    .badge::before {
        animation: none;
    }
}