/* Variables de Colores Ejecutivos */
:root {
    --primary-blue: #740215;
    --secondary-blue: #b82806;
    --light-blue: #f8f2ee;
    --white: #ffffff;
    --dark-grey: #333333;
    --light-grey: #f4f4f4;
    --transition: all 0.3s ease;
}

/* Reset y Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-grey);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

/* ========== HEADER Y NAVEGACIÓN ========== */
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;
}

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

.logo h1 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
}

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

.nav-links > li > a {
    color: var(--primary-blue);
    font-weight: 600;
    padding: 10px 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links > li > a:hover {
    color: var(--secondary-blue);
}

/* Menú Desplegable */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    width: 250px;
    display: none;
    flex-direction: column;
    padding: 10px 0;
    border-top: 3px solid var(--primary-blue);
}

.nav-links > li:hover .dropdown {
    display: flex;
}

.dropdown li a {
    padding: 10px 20px;
    display: block;
    color: var(--dark-grey);
    font-weight: normal;
    transition: var(--transition);
}

.dropdown li a:hover {
    background-color: var(--light-blue);
    color: var(--primary-blue);
}

/* ========== HERO SECTION ========== */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 51, 102, 0.7)), url('img/hero.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* ========== BOTONES ========== */
.btn {
    display: inline-block;
    background-color: var(--secondary-blue);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ========== SECCIONES GENERALES ========== */
section {
    padding: 80px 0;
}

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

.section-title h2 {
    color: var(--primary-blue);
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title .underline {
    width: 80px;
    height: 4px;
    background-color: var(--secondary-blue);
    margin: 0 auto;
}

/* ========== QUIÉNES SOMOS ========== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.about-item {
    padding: 30px;
    background-color: var(--light-grey);
    border-radius: 10px;
    transition: var(--transition);
}

.about-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.about-item h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.about-item i {
    color: var(--secondary-blue);
    margin-bottom: 20px;
}

/* ========== SERVICIOS ========== */
.service-detail {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 100px;
}

.service-detail:nth-child(even) {
    flex-direction: row-reverse;
}

.service-img {
    flex: 1;
}

.service-img img {
    border-radius: 10px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.service-text {
    flex: 1;
}

.service-text h3 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 20px;
}

.service-list {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.service-list li {
    display: flex;
    align-items: center;
}

.service-list li::before {
    content: '✓';
    color: var(--secondary-blue);
    margin-right: 10px;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========== OPERACIONES ========== */
.operations-content {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 40px;
}

.ops-img {
    flex: 1;
}

.ops-img img {
    border-radius: 10px;
}

.ops-text {
    flex: 1;
}

.ops-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

/* ========== GALERÍA ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ========== CONTACTO ========== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.info-item {
    margin-bottom: 20px;
}

.info-item strong {
    display: block;
    color: var(--secondary-blue);
    margin-bottom: 5px;
}

.contact-form {
    background-color: var(--light-grey);
    padding: 40px;
    border-radius: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--primary-blue);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 5px rgba(0, 80, 157, 0.3);
}

.submit-btn {
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 5px;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-3px);
}

/* ========== FOOTER ========== */
footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-logo h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.footer-links {
    text-align: right;
}

.footer-links a {
    color: var(--white);
    margin-left: 15px;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail, .service-detail:nth-child(even) {
        flex-direction: column;
        gap: 30px;
    }
    
    .operations-content {
        flex-direction: column;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        text-align: left;
    }
}

@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .nav-links {
        flex-direction: column;
        position: absolute;
        top: 100px; /* ajustado a tu header real */
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        padding: 20px;
        display: none;
    }

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

    .nav-links > li {
        margin: 0 0 10px 0;
    }

    /* 🔽 Dropdown en mobile (oculto por default) */
    .dropdown {
        position: static;
        box-shadow: none;
        border-top: none;
        display: none;
        padding-left: 10px;
    }

    /* Mostrar cuando está activo */
    .has-dropdown.active .dropdown {
        display: flex;
        flex-direction: column;
    }

    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .service-list {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .gallery-item img {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .service-text h3 {
        font-size: 1.5rem;
    }
    
    .contact-form {
        padding: 20px;
    }
}