/* --- Variables CSS (Colores usados en el diseño original) --- */
:root {
    --color-primary: #1d53a1; /* Azul principal */
    --color-accent: #7bc143;  /* Verde/Lima de acento */
    --color-background: #ffffff;
    --color-dark-text: #121212;
    --color-muted-text: #6b7280;
    --color-card-bg: #ffffff;
    --color-header-bg: rgba(255, 255, 255, 0.9);
}

/* --- Base y Tipografía --- */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    color: var(--color-dark-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f4f4f9; /* Fondo muy claro para el cuerpo */
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s;
}

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

.page-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex-grow: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* --- Titulares y Subtítulos --- */
.hero-title, .section-title, .card-title {
    font-family: 'Geist', sans-serif; /* Usando una fuente moderna de ejemplo */
    font-weight: 700;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-muted-text);
}
.text-primary {
    color: var(--color-primary);
}
.text-accent {
    color: var(--color-accent);
}

/* --- Botones (Buttons) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background-color: #163e79;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: var(--color-dark-text);
}
.btn-secondary:hover {
    background-color: #e0e0e0;
}


/* --- Header (Navbar) --- */
.header {
    background-color: var(--color-header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 10;
    height: 64px; /* 4rem */
    display: flex;
    align-items: center;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-dark-text);
    font-weight: bold;
}

.logo-text {
    font-size: 1.25rem; /* text-xl */
}

.nav-menu {
    display: none; /* Ocultar por defecto para móviles */
    gap: 24px;
}

.nav-menu a {
    color: var(--color-muted-text);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.menu-button {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-dark-text);
}

/* Mostrar menú y ocultar botón en desktop */
@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    .menu-button {
        display: none;
    }
}


/* --- Hero Section --- */
.hero-section {
    position: relative;
    width: 100%;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    
    /* Simulación de imagen de fondo (reemplaza con tu URL real) */
    background-image: url('https://images.unsplash.com/photo-1604011237320-8e0506614fdf?q=80&w=1974&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6); /* Capa oscura para el texto */
}

.hero-content {
    position: relative;
    z-index: 1;
}

.max-width-text {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-top: 1.5rem;
    color: #e5e7eb;
}

.hero-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* --- General Section Styling --- */
.section {
    padding: 3rem 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.services-section {
    background-color: var(--color-background);
}


/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.card-link {
    display: flex;
}

.service-card {
    background-color: var(--color-card-bg);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    width: 64px;
    border-radius: 50%;
    background-color: rgba(29, 83, 161, 0.1); /* Primary / 10% opacity */
    margin: 0 auto 1rem;
}

.icon-primary {
    font-size: 2rem;
    color: var(--color-primary);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.9rem;
    color: var(--color-muted-text);
}


/* --- Web Dev Section --- */
.web-dev-section {
    background-color: #f4f4f9; /* Fondo de acento sutil */
}

.grid-2-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .grid-2-cols {
        grid-template-columns: 1fr 1fr;
    }
    .web-dev-content {
        order: 1; /* Para que el texto vaya a la izquierda en desktop */
    }
    .web-dev-image {
        order: 2; /* Para que la imagen vaya a la derecha en desktop */
    }
}

.badge {
    display: inline-block;
    border-radius: 4px;
    background-color: rgba(29, 83, 161, 0.1);
    color: var(--color-primary);
    padding: 4px 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
    space-y: 1rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: var(--color-muted-text);
}

.feature-list i {
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 4px;
}

.web-dev-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    max-width: 450px;
    height: 300px;
    background-color: #e0e0e0;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #6b7280;
    font-size: 1rem;
}

.image-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.mt-30 {
    margin-top: 30px;
}

/* --- FAQ Section --- */
.faq-section {
    background-color: var(--color-background);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    cursor: pointer;
}

.faq-question {
    background-color: #f9f9f9;
    padding: 1rem;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    position: relative;
    user-select: none;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 1rem;
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
}

.faq-item.active .faq-answer {
    max-height: 200px; /* Suficiente altura para el contenido */
    padding: 1rem;
    border-top: 1px solid #e5e7eb;
}

.faq-answer p {
    margin: 0;
    padding-bottom: 10px;
    color: var(--color-muted-text);
}

/* --- Footer --- */
.footer {
    background-color: #212121;
    color: white;
    padding: 2.5rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr repeat(2, minmax(0, 1fr));
    }
}

.footer-brand .logo-text {
    font-size: 1.5rem;
}

.footer-brand .mt-10 {
    margin-top: 10px;
    font-size: 0.85rem;
    color: #a0a0a0;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
    color: #a0a0a0;
}

.footer-links a {
    color: #a0a0a0;
}

.footer-links a:hover {
    color: var(--color-primary);
}
/* --- Estilos Adicionales para el Menú Móvil --- */
@media (max-width: 767px) {
    .nav-menu {
        position: absolute;
        top: 64px; /* Altura del header */
        left: 0;
        width: 100%;
        background-color: var(--color-header-bg);
        flex-direction: column;
        padding: 0;
        display: none; /* Oculto por defecto */
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        border-top: 1px solid #e0e0e0;
    }
    .nav-menu.mobile-open {
        display: flex; /* Mostrar cuando la clase mobile-open está activa */
    }
    .nav-menu a {
        padding: 0.75rem 1rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #e0e0e0;
    }
    .nav-menu a:last-child {
        border-bottom: none;
    }
}