/* Variables */
:root {
    --primary-color: #0056b3;
    --secondary-color: #003366;
    --accent-color: #00a0e9;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #fff;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    --success-color: #28a745;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-nav {
    background: var(--accent-color);
    color: var(--text-light);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    margin-left: 15px;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.98);
}

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

.logo {
    display: flex;
    align-items: center;
    height: 60px; /* Altura máxima del contenedor */
}

.logo img {
    height: auto; /* Mantiene la proporción */
    max-height: 70px; /* Altura máxima de la imagen */
    width: auto; /* Ancho proporcional */
    max-width: 180px; /* Ancho máximo inicial */
    transition: var(--transition);
}

@media (max-width: 768px) {
    .logo img {
        max-height: 40px;
        max-width: 150px;
    }
}

@media (max-width: 576px) {
    .logo img {
        max-height: 35px;
        max-width: 130px;
    }
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-weight: 600;
    color: var(--dark-color);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('images/hero.jpg') center/cover no-repeat;
    color: var(--text-light);
    text-align: center;
    margin-top: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 56, 101, 0.8);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: var(--text-light);
    font-size: 1.5rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.about-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* MVV Section */
.mvv-section {
    background: var(--light-gray);
}

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

.mvv-card {
    background: var(--text-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.mvv-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.mvv-header i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-right: 15px;
}

.mvv-header h3 {
    color: var(--secondary-color);
}

.values-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.values-list i {
    color: var(--accent-color);
    margin-right: 10px;
}

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

.service-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-top: 4px solid var(--accent-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-card ul {
    margin-top: 15px;
}

.service-card li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.services-tabs {
    margin-top: 40px;
}

.service-img img {
    width: 100%;
    max-width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

@media (max-width: 768px) {
    .service-img img {
        height: 250px;
        max-width: 100%;
    }
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 12px 20px;
    background: var(--light-gray);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.service-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.service-img img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.service-info ul {
    margin-top: 20px;
}

.service-info li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.service-info i {
    color: var(--accent-color);
    margin-right: 10px;
    margin-top: 3px;
}

@media (max-width: 768px) {
    .service-details {
        grid-template-columns: 1fr; /* Una sola columna en pantallas pequeñas */
        gap: 20px; /* Menos espacio */
    }

    .tab-buttons {
        flex-direction: column; /* Botones de tabs uno debajo de otro */
        align-items: stretch;
    }

    .tab-btn {
        width: 100%; /* Botones ocupan todo el ancho */
        text-align: center;
    }
}

@media (max-width: 480px) {
    .service-card {
        padding: 20px;
    }

    .service-icon {
        font-size: 2rem;
    }

    .service-card h3 {
        font-size: 1.2rem;
    }
}

/* Brands Section */
.brands-section {
    background: var(--light-gray);
    padding: 60px 0;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
    justify-items: center;
    margin-top: 40px;
}

.brand-item {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.brand-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.brand-item img {
    max-width: 100%;
    max-height: 60px;
    width: auto;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: var(--transition);
}

.brand-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 20px;
    }
    
    .brand-item {
        height: 90px;
        padding: 15px;
    }
    
    .brand-item img {
        max-height: 50px;
    }
}

@media (max-width: 768px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 15px;
    }
    
    .brand-item {
        height: 80px;
        padding: 10px;
    }
    
    .brand-item img {
        max-height: 40px;
    }
}

@media (max-width: 480px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 10px;
    }
    
    .brand-item {
        height: 70px;
    }
    
    .brand-item img {
        max-height: 35px;
    }
}

.cert-section {
    background: var(--light-gray);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.cert-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

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

.slick-dots {
    bottom: -40px;
}

.slick-dots li button:before {
    font-size: 12px;
    color: var(--gray-color);
}

.slick-dots li.slick-active button:before {
    color: var(--primary-color);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
}

.contact-info {
    padding-right: 30px;
}

.contact-info h2 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 2rem;
}

.contact-info p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.info-item {
    display: flex;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 15px;
    margin-top: 5px;
}

.info-item h4 {
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: 'Open Sans', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 160, 233, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--text-light);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
}

.footer-col p {
    margin-bottom: 20px;
    opacity: 0.8;
}

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

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.contact-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-list i {
    margin-right: 10px;
    color: var(--accent-color);
    width: 20px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-light);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--text-light);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 40px 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .btn-nav {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .about-grid,
    .mvv-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
}