:root {
    /* Colores corporativos */
    --primary-color: #0073AE;
    --secondary-color: #3F3F3F;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #333333;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    
    /* Breakpoints */
    --mobile: 576px;
    --tablet: 768px;
    --desktop: 1024px;
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Calibri', sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ========== HEADER Y NAVEGACIÓN ========== */
.header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 40px;
}

.nav-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.nav-toggle i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    line-height: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-lang a {
    padding: 0 var(--spacing-xs);
}

.nav-lang a.active {
    color: var(--primary-color);
}

/* ========== BOTONES ========== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    text-align: center;
    cursor: pointer;
    font-size: 1rem;
}

/* Botón Principal */
.btn-primary {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover {
    background: #005a8a !important;
    color: var(--white) !important;
    border-color: #005a8a !important;
    transform: translateY(-2px);
    text-decoration: none;
}

/* Botón Secundario */
.btn-secondary {
    background: transparent !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-2px);
    text-decoration: none;
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../img/banner-carros.avif');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 80px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* ========== PAGE HERO ========== */
.page-hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../img/services-hero-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 40vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 80px;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.page-hero p {
    font-size: 1.5rem;
}

/* ========== SERVICES SECTION ========== */
.services {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--secondary-color);
}

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

.service-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card h3 {
    padding: var(--spacing-sm);
    color: var(--primary-color);
    margin: 0;
}

.service-card p {
    padding: 0 var(--spacing-sm) var(--spacing-sm);
}

.service-card ul {
    list-style: none;
    margin: var(--spacing-sm);
    flex-grow: 1;
    padding: 0;
}

.service-card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.service-card ul li:before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.service-card .btn {
    margin: var(--spacing-sm);
    margin-top: auto;
}

/* ========== SERVICES DETAILED ========== */
.services-detailed {
    padding: var(--spacing-lg) 0;
}

.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.service-item.reverse {
    direction: rtl;
}

.service-item.reverse .service-content {
    direction: ltr;
}

.service-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.service-content p {
    margin-bottom: var(--spacing-sm);
}

.service-content ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-content ul li:before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.service-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* ========== SERVICE DETAIL PAGE ========== */
.service-detail {
    padding: var(--spacing-lg) 0;
}

.service-detail .service-content {
    max-width: 800px;
    margin: 0 auto;
}

.service-detail .service-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.service-detail .service-content h3 {
    color: var(--secondary-color);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-size: 1.8rem;
}

.service-detail .service-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.service-detail .service-content ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-detail .service-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.service-detail .service-content ul li:before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.cta-section {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-top: var(--spacing-lg);
    text-align: center;
}

.cta-section h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    margin-bottom: var(--spacing-md);
}

/* ========== CERTIFICACIONES ========== */
.certifications {
    padding: var(--spacing-lg) 0;
    background: var(--white);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.cert-item img {
    height: 80px;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.cert-item:hover img {
    filter: grayscale(0%);
}

.cert-item p {
    color: var(--secondary-color);
    font-weight: 500;
}

/* ========== WHY CHOOSE US ========== */
.why-us {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.why-us h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--secondary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

/* ========== CLIENTS SECTION ========== */
.clients {
    padding: var(--spacing-lg) 0;
    background: var(--white);
}

.clients h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--secondary-color);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.client-logo {
    text-align: center;
}

.client-logo img {
    width: 100%;
    max-width: 150px;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.client-logo:hover img {
    filter: grayscale(0%);
}

/* ========== CTA SECTION ========== */
.cta {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../img/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* ========== CONTACT PAGE ========== */
.contact {
    padding: var(--spacing-lg) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info h2,
.contact-form-container h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    width: 24px;
}

.info-item h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Formulario */
.contact-form {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0,115,174,0.2);
}

.form-group textarea {
    resize: vertical;
}

/* Mapa */
.map-container {
    margin-top: var(--spacing-lg);
}

.map-container h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.map {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* ========== ABOUT PAGE ========== */
.about-history {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Misión y Visión */
.mission-vision {
    padding: var(--spacing-lg) 0;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.mission,
.vision {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.mission h2,
.vision h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* Valores */
.values {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.values h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.value-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.value-item h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

/* Equipo */
.team {
    padding: var(--spacing-lg) 0;
}

.team h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.team-member {
    text-align: center;
}

.team-member img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.team-member h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.team-member p {
    color: var(--primary-color);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-info img {
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

.footer h4 {
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    color: var(--white);
    text-decoration: none;
}

.footer-dev {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-dev p {
    margin: 0;
    font-size: 0.9rem;
    color: #fff;
}

.footer-dev img {
    height: 30px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-dev img:hover {
    opacity: 1;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========== ANIMACIONES ========== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: var(--spacing-sm);
        flex-direction: column;
        text-align: center;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }

    .logo img {
        height: 40px;
    }

    .hero {
        height: 60vh;
        margin-top: 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .page-hero p {
        font-size: 1.2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .footer-dev {
        flex-direction: column;
        text-align: center;
    }

    .btn {
        padding: 0.8rem 1.5rem;
    }

    /* Services detailed responsive */
    .service-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .service-item.reverse {
        direction: ltr;
    }

    .service-image img {
        height: 300px;
    }

    /* Service detail responsive */
    .service-detail .service-content h2 {
        font-size: 2rem;
    }

    .service-detail .service-content h3 {
        font-size: 1.5rem;
    }

    /* Contact responsive */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        order: 2;
    }

    .contact-form-container {
        order: 1;
    }

    /* About responsive */
    .about-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }

    .about-image img {
        height: 300px;
    }

    .team-member img {
        width: 150px;
        height: 150px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 960px;
    }

    .logo img {
        height: 45px;
    }

    .hero {
        height: 70vh;
        margin-top: 70px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.3rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1025px) {
    .container {
        max-width: 1140px;
    }

    .logo img {
        height: 50px;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}