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

body {
    background-image: url('imagenes/rocoloncology.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    justify-content: flex-start; 
    align-items: center;
    position: relative;
}

.principal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 15, 30, 0.4); 
    z-index: 1;
}

.contenedor {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    padding: 20px;
    margin-left: 8%; 
}

.form-box {
    background: rgba(255, 255, 255, 0.92); 
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.form-box h2 {
    color: #003366; 
    margin-bottom: 25px;
    font-weight: 600;
    text-align: center;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #444;
    font-size: 14px;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    border-color: #00a896; 
}

button {
    width: 100%;
    padding: 12px;
    background: #003366; 
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background: #002244;
}

p {
    margin-top: 20px;
    font-size: 14px;
    text-align: center;
    color: #666;
}

p a {
    color: #00a896;
    text-decoration: none;
    font-weight: 600;
}

p a:hover {
    text-decoration: underline;
}

.hide {
    display: none !important;
}

.message {
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}