@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');
body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(270deg, #ff7eb3, #9c3f01, #ff7eb3);
    background-size: 400% 400%;
    animation: fondoAnimado 8s ease infinite;
    font-family: "DM Sans", sans-serif;
    color: white;
    text-align: center;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

@keyframes fondoAnimado {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    max-width: 80%;
    font-size: 1.8em;
    opacity: 0;
    animation: aparecer 1.5s ease-out forwards;
}

.motivo {
    font-size: 1.4m;
    margin-top: 15px;
    opacity: 0;
    transform: translateY(20px);
    animation: aparecerMotivo 1s ease-out forwards;
}

@keyframes aparecer {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes aparecerMotivo {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: rgba(255, 0, 0, 0.7);
    border-radius: 50%;
    opacity: 0.9;
    animation: particleAnim linear infinite;
}

@keyframes particleAnim {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(-100vh) scale(0.5);
        opacity: 0;
    }
}