* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
    height: 100vh;
    overflow: hidden;
    background: #0f2027;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
}

/* Fondo animado */
.background-animation {
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, #2c5364, #0f2027);
    animation: moveBackground 20s linear infinite;
    z-index: -1;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    50% { transform: translate(-10%, -10%); }
    100% { transform: translate(0, 0); }
}

.container {
    background: rgba(0, 0, 0, 0.45);
    padding: 40px 35px;
    border-radius: 14px;
    text-align: center;
    width: 90%;
    max-width: 420px;
    backdrop-filter: blur(6px);
    animation: fadeIn 1.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Logo animado */
.logo img {
    width: 100px;
    margin-bottom: 20px;
    animation: pulse 2.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); filter: drop-shadow(0 0 0 #00d4ff); }
    50% { transform: scale(1.05); filter: drop-shadow(0 0 12px #00d4ff); }
    100% { transform: scale(1); filter: drop-shadow(0 0 0 #00d4ff); }
}

h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 25px;
}

/* Loader */
.loader {
    width: 55px;
    height: 55px;
    border: 5px solid rgba(255,255,255,0.3);
    border-top: 5px solid #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 25px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Contacto */
.contact p {
    font-size: 0.95rem;
    margin: 6px 0;
    transition: transform 0.3s ease, color 0.3s ease;
}

.contact p:hover {
    transform: translateX(5px);
    color: #00d4ff;
}

footer {
    margin-top: 20px;
    font-size: 0.85rem;
    opacity: 0.7;
}/* WhatsApp flotante */.whatsapp-float {    position: fixed;    bottom: 25px;    right: 25px;    width: 60px;    height: 60px;    background: #25d366;    border-radius: 50%;    display: flex;    justify-content: center;    align-items: center;    box-shadow: 0 0 0 rgba(37, 211, 102, 0.7);    animation: whatsappPulse 2s infinite;    z-index: 999;}.whatsapp-float img {    width: 34px;    height: 34px;}@keyframes whatsappPulse {    0% {        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);        transform: scale(1);    }    70% {        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);        transform: scale(1.05);    }    100% {        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);        transform: scale(1);    }}.whatsapp-float:hover {    transform: scale(1.1);}