/* --- Variables y Estilos Globales --- */
:root {
    --color-azul-oscuro: #0a192f;
    --color-azul-medio: #003d7a;
    --color-dorado: #D4AF37;
    --color-dorado-claro: #f0e1a6;
    --color-texto-claro: #ccd6f6;
    --color-texto-blanco: #ffffff;

    --font-principal: 'Montserrat', sans-serif;
    --font-titulos: 'Playfair Display', serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}


.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


.header {
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-azul-medio);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-logo img {
    height: 50px;
    transition: transform 0.3s ease;
}

.nav-logo img:hover {
    transform: scale(1.05);
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-texto-claro);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--color-dorado);
    transition: width 0.4s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-dorado);
}


.btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--color-dorado);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-primary, .nav-link.btn {
    background-color: var(--color-dorado);
    color: var(--color-azul-oscuro);
}

.btn-primary:hover, .nav-link.btn:hover {
    background-color: transparent;
    color: var(--color-dorado);
}


.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    background: linear-gradient(rgba(10, 25, 47, 0.7), rgba(10, 25, 47, 0.9)), url('https://www.transparenttextures.com/patterns/clean-gray-paper.png');
}

.hero-content h1 {
    font-family: var(--font-titulos);
    font-size: 3.5rem;
    color: var(--color-texto-blanco);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}


.animate-hero {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}
.animate-hero:nth-child(1) { animation-delay: 0.2s; }
.animate-hero:nth-child(2) { animation-delay: 0.4s; }
.animate-hero:nth-child(3) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-title h2 {
    font-family: var(--font-titulos);
    font-size: 2.5rem;
    color: var(--color-texto-blanco);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-dorado);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: center;
}

.about-us h3 {
    color: var(--color-dorado);
    margin-bottom: 1rem;
    font-family: var(--font-titulos);
    font-size: 1.5rem;
}


.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.card {
    background-color: var(--color-azul-medio);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--color-dorado);
    box-shadow: 0 10px 30px -15px rgba(2,12,27,0.7);
}

.card h4 {
    font-family: var(--font-titulos);
    color: var(--color-dorado-claro);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}


.vision-section {
    background: linear-gradient(rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.95)), url('https://www.transparenttextures.com/patterns/subtle-stripes.png');
    text-align: center;
}

.vision-content h2 {
    font-family: var(--font-titulos);
    font-size: 2.5rem;
    color: var(--color-dorado);
}

.vision-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 1rem auto 0;
    font-style: italic;
}


.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-azul-medio);
    border: 1px solid transparent;
    border-radius: 5px;
    color: var(--color-texto-claro);
    font-family: var(--font-principal);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-dorado);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
    margin-bottom: 1rem;
}

.contact-form .btn {
    width: 100%;
    cursor: pointer;
    font-size: 1.1rem;
}

.footer {
    background-color: #061221;
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--color-azul-medio);
}
.footer-logo {
    height: 60px;
    margin-bottom: 1rem;
    opacity: 0.8;
}


@media (max-width: 768px) {
    .navbar { flex-direction: column; gap: 1rem; }
    .nav-menu { flex-direction: column; gap: 1rem; padding-top: 1rem; }
    .hero-content h1 { font-size: 2.5rem; }
    .about-content, .services-grid { grid-template-columns: 1fr; }
}


#nosotros .section-title {
    margin-bottom: 6rem; 
}


#servicios {
    padding-top: 0; 
}
#nosotros {
    padding-bottom: 10rem; 
}