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

body {
    font-family: 'Poppins', sans-serif;
    color: #333;
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Colores Corporativos */
:root {
    --gold: #EDBB2C; /* Tomado del logo */
    --black: #000000;
    --dark-grey: #1A1A1A;
    --white: #FFFFFF;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--black);
    color: var(--gold);
    border: 2px solid var(--gold);
    border-radius: 5px;
    font-weight: 700;
    transition: 0.3s;
}

.btn:hover {
    background-color: var(--gold);
    color: var(--black);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    text-transform: uppercase;
}

/* --- CABECERA --- */
header {
    background-color: var(--white);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    height: 60px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    font-weight: 600;
    font-size: 16px;
}

nav a:hover, nav a[href="#inicio"] {
    color: var(--gold);
}

/* --- SECCIÓN HERO --- */
.hero {
    margin-top: 90px; /* Espacio para la cabecera fija */
    height: 80vh;
    background-image: url('https://images.unsplash.com/photo-1516939884455-1445c8652f83?q=80&w=1600'); /* Imagen de puerto professional */
    background-size: cover;
    background-position: center;
    color: var(--white);
    position: relative;
}

.hero-overlay {
    background-color: rgba(0, 0, 0, 0.5); /* Superposición oscura */
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--white);
}

.hero-content h1 .highlight {
    color: var(--gold);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    font-weight: 300;
}

/* --- SECCIÓN SERVICIOS --- */
.services {
    padding: 100px 0;
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    border: 2px solid var(--gold);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: left;
    transition: 0.3s;
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 40px;
    color: var(--black);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.china-flag, .mexico-flag {
    height: 30px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--black);
    text-transform: uppercase;
}

.service-card ul {
    font-size: 14px;
    list-style: disc;
    margin-left: 20px;
    color: #555;
}

.service-card ul li {
    margin-bottom: 8px;
}

/* --- SECCIÓN POR QUÉ ELEGIRNOS --- */
.why-us {
    padding: 80px 0;
    background-color: #F9F9F9;
}

.why-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.why-us h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.why-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.bullet {
    width: 15px;
    height: 15px;
    background-color: var(--gold);
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.why-item h4 {
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--black);
}

.why-item p {
    font-size: 14px;
    color: #666;
}

/* --- SECCIÓN CONTACTO --- */
.contact {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-form h2 {
    font-size: 36px;
    margin-bottom: 30px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    padding: 15px;
    border: 1px solid #CCC;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
}

.btn-dark {
    padding: 12px 30px;
    background-color: var(--black);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    width: fit-content;
}

.btn-dark:hover {
    background-color: var(--gold);
    color: var(--black);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
    font-weight: 600;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
}

.info-item i {
    font-size: 20px;
    color: var(--black);
}

/* --- PIE DE PÁGINA --- */
footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: 30px 0;
    font-size: 14px;
}

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

.social-icons {
    display: flex;
    gap: 20px;
    font-size: 18px;
}

.social-icons a:hover {
    color: var(--gold);
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 36px;
    }
    .why-us-content, .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .hero-content h1 {
        font-size: 28px;
    }
    .section-title {
        font-size: 28px;
    }
}