/* Variables de colores de la marca */
:root {
    --primary: #223182;      /* Azul Oscuro Principal */
    --secondary: #1fd4f8;    /* Cyan Brillante */
    --accent: #3d87d4;       /* Azul Medio */
    --dark: #1a1a1a;
    --light: #f4f7f6;
    --white: #ffffff;
    --text-color: #333;
}

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

html {
    scroll-padding-top: 80px; 
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    scroll-behavior: smooth;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: 0.3s;
    cursor: pointer;
    border: none;
}

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

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

.section { padding: 80px 0; }
.bg-light { background-color: var(--light); }
.bg-dark { background-color: var(--primary); color: var(--white); }

/* Encabezado de Sección */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary);
}
.text-white h2 { color: var(--white); }
.line {
    width: 60px;
    height: 4px;
    background: var(--secondary);
    margin: 0 auto 20px;
}
.line-light { background: var(--secondary); }

/* Navegación */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.logo img {
    height: 50px; 
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}
.nav-menu a {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}
.nav-menu a:hover { color: var(--accent); }
.btn-nav {
    background: var(--primary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 4px;
}
.hamburger { display: none; cursor: pointer; font-size: 1.5rem; color: var(--primary); }

/* Hero Section */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 0;
    padding-top: 80px;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(34, 49, 130, 0.85); 
}
.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}
.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Nosotros */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Servicios - Ajustado para centrar el 7mo elemento */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center; /* Centra los elementos si queda uno solo en la fila */
}
.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: 0.3s;
    border-bottom: 4px solid transparent;
}
.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--secondary);
}
.icon-box {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}
.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

/* Marcas Carousel */
.brands-slider {
    overflow: hidden;
    background: var(--white);
    padding: 20px 0;
    white-space: nowrap;
    position: relative;
}
.brands-slider::before,
.brands-slider::after {
    content: "";
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}
.brands-slider::before { left: 0; background: linear-gradient(to right, var(--white), transparent); }
.brands-slider::after { right: 0; background: linear-gradient(to left, var(--white), transparent); }

.brands-track {
    display: inline-block;
    animation: scroll 30s linear infinite; 
}
.brand-slide {
    display: inline-block;
    width: 200px; 
    padding: 0 30px;
    vertical-align: middle;
}
.brand-slide img {
    max-height: 70px;
    margin: 0 auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: 0.3s;
}
.brands-track:hover { animation-play-state: paused; }
.brands-track:hover .brand-slide img {
    filter: grayscale(0%);
    opacity: 1;
}
@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); } 
}

/* Contacto */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.info-item {
    display: flex;
    margin-bottom: 30px;
}
.info-item i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-right: 20px;
    margin-top: 5px;
}
.info-item h4 {
    color: var(--secondary);
    margin-bottom: 5px;
}
.info-item p, .info-item a {
    color: rgba(255,255,255,0.8);
}
.info-item a:hover { color: var(--secondary); }

.map-container {
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.1);
}

/* Formulario */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    color: var(--text-color);
}
.form-group {
    margin-bottom: 20px;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    outline: none;
    transition: 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 5px rgba(61, 135, 212, 0.3);
}
.full-width { width: 100%; }

/* Footer */
footer {
    background: #111;
    color: #777;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsivo */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-title h2 { font-size: 2rem; }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        padding: 20px 0;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { margin: 15px 0; }
    .hamburger { display: block; }
    
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    
    .about-content, .contact-wrapper { grid-template-columns: 1fr; }
    .about-image { order: -1; } 
    
    .brand-slide { width: 150px; padding: 0 20px; } 
    .contact-form { padding: 30px 20px; }
}