/* @module NUCLEO - Infrastruttura | @doc doc/tecnico/nucleo.md#nucleo */
/* @id NUCLEO-17 - Foglio comune: componenti e piè di pagina | @doc doc/tecnico/nucleo.md#nucleo-17 */
.certifications-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.cert-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cert-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.cert-list {
    list-style: none;
    text-align: left;
    display: inline-block;
}

.cert-list li {
    padding: 12px 0;
    font-size: 16px;
    line-height: 1.8;
}

.cta {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.page-header {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid var(--success);
}

.alert-success.info-message {
    margin-bottom: 20px;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border-left: 4px solid var(--error);
}

.alert ul {
    margin-top: 10px;
    margin-left: 20px;
}

.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3,
.footer-column h4 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    font-size: 24px;
    transition: var(--transition);
}

.contact-list li {
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .top-bar-content {
        font-size: 12px;
    }
    
    .contact-info span,
    .hours span {
        margin-right: 10px;
        display: block;
        margin-bottom: 5px;
    }

    .section-title {
        font-size: 28px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

.main-content {
    min-height: calc(100vh - 400px);
}