body {
    background-color: #001f4d; /* azul rey */
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

img {
    width: 150px;
    animation: pulse 2s infinite;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    margin: 0;
}

p {
    font-size: 1.2rem;
    margin-top: 10px;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1;}
    50% { transform: scale(1.1); opacity: 0.8;}
    100% { transform: scale(1); opacity: 1;}
}

.loader {
    margin-top: 30px;
    display: flex;
    gap: 8px;
}

.loader div {
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    animation: bounce 1.4s infinite;
}

.loader div:nth-child(2) {
    animation-delay: 0.2s;
}

.loader div:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
    color: #ccc;
}