:root {
    --color-principal: #004d40;
    --color-secundario: #f0f4f8;
    --color-acento: #00897b;
    --color-texto-oscuro: #333;
    --color-texto-claro: #fff;
    --fuente-principal: 'Georgia', serif;
    --fuente-secundaria: 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--fuente-secundaria);
    line-height: 1.6;
    margin: 0;
    background-color: var(--color-secundario);
    color: var(--color-texto-oscuro);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--color-principal);
    color: var(--color-texto-claro);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-family: var(--fuente-principal);
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-texto-claro);
    text-decoration: none;
}

.nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav ul li {
    margin-left: 20px;
}

.nav ul li a {
    color: var(--color-texto-claro);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav ul li a:hover {
    color: var(--color-acento);
}

#hero {
    background-color: var(--color-principal);
    color: var(--color-texto-claro);
    padding: 80px 0;
    text-align: center;
    background-image: linear-gradient(rgba(0, 77, 64, 0.8), rgba(0, 77, 64, 0.8)), url('https://images.unsplash.com/photo-1517048676732-d65bc937f952?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
}

#hero h1 {
    font-family: var(--fuente-principal);
    font-size: 3rem;
    margin-bottom: 15px;
}

#hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px auto;
}

.btn {
    display: inline-block;
    background-color: var(--color-acento);
    color: var(--color-texto-claro);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #00695c;
}

.btn-secondary {
    background-color: #ffffff;
    border: 2px solid var(--color-acento);
    color: var(--color-acento);
}

.btn-secondary:hover {
    background-color: var(--color-acento);
    color: var(--color-texto-claro);
    border: 2px solid var(--color-acento);
}

section {
    padding: 60px 0;
}

h2 {
    font-family: var(--fuente-principal);
    font-size: 2.5rem;
    text-align: center;
    color: var(--color-principal);
    margin-bottom: 50px;
    position: relative;
}

h2::after {
    content: '';
    width: 80px;
    height: 4px;
    background-color: var(--color-acento);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--color-principal);
    margin-bottom: 10px;
}

.expertise-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    text-align: center;
}

.expertise-list li {
    background-color: var(--color-principal);
    color: var(--color-texto-claro);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-direction: column;
}

.about-content img {
    max-width: 350px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.contact-options .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
    font-size: 1.1rem;
}

footer {
    background-color: var(--color-principal);
    color: var(--color-texto-claro);
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

.footer-social-links {
    margin-top: 15px;
    padding: 0;
    list-style: none;
}

.footer-social-links li {
    display: inline-block;
    margin: 0 10px;
}

.footer-social-links a {
    color: var(--color-texto-claro);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer-social-links a:hover {
    color: var(--color-acento);
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1500;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    /* Ajustes para la navegación */
    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .nav ul li {
        margin-left: 0;
    }

    /* Ajustes para la sección de contacto */
    .contact-options {
        flex-direction: column;
        align-items: center;
    }

    .contact-options .btn,
    .contact-options .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    /* Ajustes para la sección "Nosotros" */
    .about-content {
        flex-direction: column;
        gap: 20px;
    }

    /* Ajustes generales para el texto */
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }
}