body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(120deg, #e3f2fd, #f3e5f5);
    color: #333;
    margin: 0;
    padding: 0;
}

div.contactar {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #004b6d, #0077c2);
    color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

header.banner h1 {
    font-size: 2.5em;
    margin: 0;
}

header.banner p {
    margin: 10px 0 0;
    font-size: 1.2em;
}

.form-background {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    background: linear-gradient(120deg, #f5f5f5, #e8f5e9);
    padding: 20px;
    background-image: url("src-images/contact-info/planos-arquitecto.jpg");
}

.form-container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 500px;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.8em;
    color: #004b6d;
}

form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 15px;
}

label {
    font-weight: bold;
    color: #555;
    margin-bottom: 5px;
    display: block;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #004b6d;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s, background-color 0.3s;
}

input:focus, textarea:focus {
    border-color: #0077c2;
    background-color: #e3f2fd;
    outline: none;
}

.button {
    background: linear-gradient(135deg, #004b6d, #0077c2);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

.button:hover {
    background: linear-gradient(135deg, #005ea6, #006bb3);
    transform: scale(1.05);
}

footer {
    margin-top: 0px !important;
}

/* footer {
    text-align: center;
    padding: 10px 0;
    background-color: #004b6d;
    color: white;
    font-size: 0.9em;
} */

        /* success / error chip */
        .chip-message {
            display: none;
            margin-top: 12px;
            padding: 10px 14px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            text-align: center;
            max-width: 320px;
            line-height: 1.3;
        }
        .chip-success {
            background-color: #22c55e; /* green-500 */
            color: #fff;
            box-shadow: 0 8px 20px rgba(34, 197, 94, 0.4);
        }
        .chip-error {
            background-color: #ef4444; /* red-500 */
            color: #fff;
            box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
        }

        /* simple invalid input highlight */
        .input-error {
            outline: 2px solid #ef4444;
            border-color: #ef4444;
        }