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

.carrusel-fondos {
    position: absolute;
    top: 0; left: 0; 
    width: 100vw; height: 100vh;
    z-index: 1; 
    list-style: none; 
    margin: 0; padding: 0;
}

.carrusel-fondos li {
    position: absolute;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;     
    animation: fundidoCruzado 32s linear infinite 0s; 
}

.carrusel-fondos li:nth-child(1) { 
    background-image: url('../media/fondo.jpg'); 
    animation-delay: 0s;  
}
.carrusel-fondos li:nth-child(2) { 
    background-image: url('../media/fondo2.jpg'); 
    animation-delay: 8s;  
}
.carrusel-fondos li:nth-child(3) { 
    background-image: url('../media/fondo3.jpg'); 
    animation-delay: 16s;
}
.carrusel-fondos li:nth-child(4) { 
    background-image: url('../media/fondo4.jpg'); 
    animation-delay: 24s;
}

@keyframes fundidoCruzado {
    0%   { opacity: 0; }
    10%  { opacity: 1; } 
    25%  { opacity: 1; } 
    35%  { opacity: 0; } 
    100% { opacity: 0; } 
}

.center-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.6); 
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); 
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 450px;
    width: 90%;
    z-index: 10;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 25px;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: #1e293b; 
    letter-spacing: -0.5px;
}

.logo {
    width: 35px;
    height: 35px;
    filter: drop-shadow(0px 2px 5px rgba(0, 0, 0, 0.6));
}

.description {
    font-size: 16px;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 35px;
}

.description strong {
    color: #0f172a;
}

.btn-entrar {
    display: inline-block;
    width: 100%;
    background-color: #65a30d; 
    color: #ffffff;
    text-decoration: none;
    padding: 15px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(101, 163, 13, 0.2);
}

.btn-entrar:hover {
    background-color: #4d7c0f;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(101, 163, 13, 0.4);
}

.credito-foto {
    position: absolute;
    bottom: 15px;      
    right: 20px;       
    color: rgba(255, 255, 255, 0.8); 
    font-size: 11px;   
    letter-spacing: 0.5px;
    z-index: 20;       
    transition: color 0.3s ease; 
    pointer-events: none; 
}

.credito-foto:hover {
    color: rgba(255, 255, 255, 1);
}

@media (max-width: 768px) {
    .center-card {
        padding: 30px 20px;
        width: 90%;
        background: rgba(255, 255, 255, 0.8); 
    }
    .logo-text {
        font-size: 24px;
    }
    .btn-entrar {
        padding: 14px 20px;
    }
}

@media (max-height: 500px) {
    .center-card {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin: 0px auto;
    }
    .split-layout {
        height: auto;
        min-height: 100vh;
        display: block; 
        overflow-y: auto;
        padding: 40px 0; 
    }
    .split-left, .split-right {
        display: none;
    }
}