/* --- CONFIGURACIÓN GENERAL Y PALETA --- */
:root {
    --color-principal: #111111;      /* Negro / Gris muy oscuro (de tu logo) */
    --color-gris-medio: #555555;     /* Gris corporativo texturizado */
    --color-gris-claro: #f8f9fa;     /* Fondos limpios */
    --color-acento: #007bff;         /* Azul Profesional de alto contraste para CTA */
    --color-acento-hover: #0056b3;   /* Azul más oscuro para interacciones */
    --texto-oscuro: #222222;
    --texto-claro: #ffffff;
    --fuente-principal: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fuente-principal);
    color: var(--texto-oscuro);
    line-height: 1.6;
    background-color: var(--texto-claro);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
}

/* --- BOTONES --- */
.btn-primary, .btn-submit {
    display: inline-block;
    background-color: var(--color-acento);
    color: var(--texto-claro);
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-primary:hover, .btn-submit:hover {
    background-color: var(--color-acento-hover);
}

/* --- HEADER & NAV --- */
.header {
    background-color: var(--texto-claro);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.navigation ul {
    display: flex;
    list-style: none;
    align-items: center;
}

.navigation ul li {
    margin-left: 25px;
}

.navigation ul li a {
    text-decoration: none;
    color: var(--color-principal);
    font-weight: 500;
    transition: color 0.3s;
}

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

.navigation ul li a.btn-nav {
    background-color: var(--color-principal);
    color: var(--texto-claro);
    padding: 8px 18px;
    border-radius: 4px;
}

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

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(rgba(17, 17, 17, 0.85), rgba(17, 17, 17, 0.85)), 
                url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    color: var(--texto-claro);
    text-align: center;
    padding: 100px 0;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
    opacity: 0.9;
}

/* --- TÍTULOS DE SECCIÓN --- */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--color-principal);
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gris-medio);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* --- SERVICIOS --- */
.services {
    background-color: var(--color-gris-claro);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--texto-claro);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

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

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

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--color-principal);
}

/* --- NOSOTROS (MISIÓN, VISIÓN, VALORES) --- */
.about-mv {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.mv-box {
    background: var(--color-gris-claro);
    padding: 30px;
    border-left: 5px solid var(--color-principal);
    border-radius: 0 8px 8px 0;
}

.mv-box h3 {
    margin-bottom: 15px;
    color: var(--color-principal);
}

.mv-box h3 i {
    color: var(--color-acento);
    margin-right: 10px;
}

.values-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.value-card {
    border: 1px solid #e0e0e0;
    padding: 25px;
    border-radius: 6px;
    background: var(--texto-claro);
}

.value-card h4 {
    color: var(--color-acento);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* --- CONTACTO --- */
.contact {
    background-color: var(--color-gris-claro);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info .info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-info .info-item i {
    font-size: 1.5rem;
    color: var(--color-acento);
    margin-right: 20px;
    width: 30px;
    text-align: center;
}

.contact-info a {
    color: var(--color-principal);
    text-decoration: none;
}

.contact-info a:hover {
    color: var(--color-acento);
}

.contact-form {
    background: var(--texto-claro);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--fuente-principal);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-acento);
}

.btn-submit {
    width: 100%;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--color-principal);
    color: var(--texto-claro);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

/* --- RESPONSIVE DESIGN (MÓVILES) --- */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .navigation ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .navigation ul li {
        margin: 5px 10px;
    }

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

    .about-mv, .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .container {
        padding: 40px 0;
    }
}