:root {
    --primary-color: #4CAF50;
    --secondary-color: #FF9800;
    --accent-color: #2196F3;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.navbar {
    background-color: white !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    position: relative;
    margin-bottom: 50px;
    text-align: center;
}

.section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background: var(--secondary-color);
    bottom: -15px;
    left: calc(50% - 40px);
}

.card {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.testimonial-card {
    border-left: 4px solid var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #3d8b40;
    border-color: #3d8b40;
}

.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.collaborator-form {
    background: linear-gradient(135deg, #f5f7fa, #e4edf5);
    padding: 40px;
    border-radius: 10px;
}

.logo-img {
    max-height: 40px;
    width: auto;
}

.contact-form-card {
    padding: 1.5rem;
}

.contact-form-card textarea {
    min-height: 100px; /* Reduce the height of the message textarea */
}

/* Spacing for contact section to prevent footer overlap */
#contacto {
    padding-bottom: 4rem;
}

/* Ensure the contact section has enough space from the viewport bottom */
@media (max-width: 768px) {
    #contacto {
        padding-bottom: 5rem;
    }
}