/* ==========================================================================
   1. VARIABLES Y REGLAS GENERALES (NUEVA PALETA TECH-CLEAN)
   ========================================================================== */
:root {
    --primary-color: #0ea5e9;      /* Azul Cian Eléctrico (Tecnológico) */
    --primary-hover: #38bdf8;      /* Cian Brillante para Estados Hover */
    --accent-color: #10b981;       /* Verde Esmeralda Eléctrico (Sostenibilidad) */
    --bg-light: #0f172a;           /* Fondo Oscuro Pizarra Profundo (Modo Oscuro Premium) */
    --text-dark: #f8fafc;          /* Blanco Puro/Gris Ultra Claro para el Texto Principal */
    --text-muted: #94a3b8;         /* Gris Slate para Textos Secundarios */
    --white: #1e293b;              /* Azul Grisáceo para Fondos de Tarjetas y Secciones */
    --border-color: rgba(255, 255, 255, 0.08); /* Bordes sutiles transparentes */
    --max-width: 1100px;
    
    /* Configuración de Estilo Contemporáneo */
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   2. ENCABEZADO Y NAVEGACIÓN (Efecto Cristal Cyberpunk)
   ========================================================================== */
.header {
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: "⚡"; /* Cambiado a rayo por el concepto eléctrico/tecnológico */
}

.nav {
    display: flex;
    align-items: center;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

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

/* Animación de línea inferior de neón */
.nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

/* ==========================================================================
   3. SECCIÓN HERO (Fondo Tech de Alta Gama)
   ========================================================================== */
.hero {
    background: radial-gradient(circle at top, #1e293b 0%, #0f172a 100%);
    padding: 8rem 1.5rem 6rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

/* Brillo ambiental de neón detrás del texto */
.hero::before {
    content: "";
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--text-dark);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 40%, var(--primary-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #0f172a; /* Texto oscuro para máxima legibilidad sobre el botón brillante */
    padding: 1rem 2.25rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
    transform: translateY(0);
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
}

/* ==========================================================================
   4. CONTENEDORES Y TARJETAS (Modo Oscuro Integrado)
   ========================================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.section {
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.section h2 {
    font-size: 2.25rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

/* Línea decorativa Cyan Neón */
.section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.3);
    background-color: #334155; /* Un tono ligeramente más claro al pasar el cursor */
}

.card h3 {
    font-size: 1.4rem;
    color: var(--primary-hover);
    margin-bottom: 1rem;
    font-weight: 700;
}

.card p {
    color: var(--text-muted);
}

/* Lista de beneficios adaptada a entorno tecnológico */
.benefits-list {
    list-style-type: none;
    padding-left: 0;
    display: grid;
    gap: 1.25rem;
    margin-top: 2rem;
}

.benefits-list li {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

/* Check de neón verde para denotar sostenibilidad */
.benefits-list li::before {
    content: "✓";
    color: #0f172a;
    background-color: var(--accent-color);
    font-weight: bold;
    font-size: 0.75rem;
    min-width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* ==========================================================================
   5. BLOQUE DE TRANSPARENCIA Y AVISO LEGAL
   ========================================================================== */
.disclaimer-box {
    background-color: #1e293b;
    border-left: 4px solid var(--text-muted);
    padding: 1.75rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-top: 5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.legal-page {
    background: var(--white);
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-top: 2rem;
    border: 1px solid var(--border-color);
}

.legal-page section {
    margin-bottom: 2.5rem;
}

.legal-page h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.legal-page h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ==========================================================================
   6. PIE DE PÁGINA (FOOTER INTEGERRIMO)
   ========================================================================== */
.footer {
    background-color: #020617; /* El punto más oscuro de la paleta */
    color: #64748b;
    padding: 5rem 5% 2.5rem 5%;
    font-size: 0.925rem;
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
}

.footer-info {
    max-width: var(--max-width);
    margin: 0 auto 3rem auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
}

.footer-info p {
    color: var(--text-muted);
}

.footer-info p strong {
    color: var(--text-dark);
    font-size: 1.15rem;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-links {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   7. ADAPTABILIDAD A MÓVILES (RESPONSIVE)
   ========================================================================== */
@media (max-width: 768px) {
    .header {