/* VARIABLES Y RESET */
:root {
    --primary: #004e92;      /* Azul fuerte (Tu marca) */
    --secondary: #000428;    /* Azul oscuro */
    --accent: #00d2ff;       /* Azul brillante para detalles */
    --text: #333;
    --light: #f4f4f4;
    --white: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--text);
}

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

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

/* NAVBAR */
.navbar {
    background: var(--secondary);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--accent);
}

.btn-login {
    background: var(--primary);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
    border: 1px solid var(--primary);
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(rgba(0,4,40,0.8), rgba(0,78,146,0.8)), url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--secondary);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1rem;
    transition: transform 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: scale(1.05);
    background: #fff;
}

/* SECTIONS GENERAL */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--secondary);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 10px auto 0;
}

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

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

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

/* ABOUT */
.bg-light {
    background: var(--light);
}

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

.text-left { text-align: left; margin-left: 0; }
.text-left::after { margin: 10px 0 0 0; }

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

/* CONTACT */
.contact-grid {
    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(--primary);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    margin-right: 10px;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--accent);
}

/* FOOTER */
footer {
    background: var(--secondary);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 60px;
        right: 0;
        height: 100vh;
        width: 100%; /* Menú full en móvil */
        background: var(--secondary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links li {
        margin: 20px 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 { font-size: 2rem; }
    .split-container, .contact-grid { grid-template-columns: 1fr; }
}