/* Variables y Reset */
:root {
    --primary-color: #0056b3;
    --secondary-color: #ff6b00;
    --dark-color: #333;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --white: #fff;
    --font-main: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-main);
}

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

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #e05a00;
    transform: translateY(-3px);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--gray-color);
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    max-height: 50px;
}

.main-nav ul {
    display: flex;
}

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

.main-nav a {
    font-weight: 600;
    position: relative;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--gray-color);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

/* Servicios Section */
.servicios {
    padding: 100px 0;
    background-color: var(--light-color);
}

.servicios h2 {
    text-align: center;
    margin-bottom: 1rem;
}

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

.servicio-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

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

.servicio-icon {
    margin-bottom: 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.servicio-icon img {
    max-height: 60px;
}

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

.servicio-card ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    text-align: left;
}

.servicio-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Nosotros Section */
.nosotros {
    padding: 100px 0;
}

.nosotros-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.nosotros-text {
    flex: 1;
}

.nosotros-text h2 {
    margin-bottom: 1.5rem;
}

.nosotros-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.valores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.valor-item {
    padding: 20px;
    background-color: var(--light-color);
    border-radius: 8px;
}

.valor-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Proyectos Section */
.proyectos {
    padding: 100px 0;
    background-color: var(--light-color);
}

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

.proyecto-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.proyecto-image {
    height: 200px;
    overflow: hidden;
}

.proyecto-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.proyecto-card:hover .proyecto-image img {
    transform: scale(1.1);
}

.proyecto-content {
    padding: 20px;
}

.proyecto-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Contacto Section */
.contacto {
    padding: 100px 0;
}

.contacto-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contacto-info h2 {
    margin-bottom: 1.5rem;
}

.contacto-datos {
    margin-top: 30px;
}

.contacto-item {
    margin-bottom: 25px;
}

.contacto-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-secondary);
    transition: var(--transition);
}

.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, 86, 179, 0.2);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo img {
    max-height: 50px;
    margin-bottom: 15px;
}

.footer-links h4,
.footer-servicios h4,
.footer-contacto h4 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-servicios h4::after,
.footer-contacto h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links ul li,
.footer-servicios ul li {
    margin-bottom: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .nosotros-content {
        flex-direction: column;
    }
    
    .nosotros-text {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
        margin-bottom: 10px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    /* Estilos para el formulario de contacto */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0056b3;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #0056b3;
    color: white;
}

.btn-primary:hover {
    background: #003d82;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Mensajes del formulario */
.mensaje-formulario {
    padding: 15px;
    margin: 15px 0;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
}

.mensaje-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.mensaje-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}