/* 1. FUENTES Y VARIABLES GLOBALES */
@font-face {
    font-family: 'Erstoria';
    src: url('fonts/Erstoria.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    --negro-absoluto: #000000;
    --negro-fondo: #050505;
    --blanco-puro: #ffffff;
    --azul-pizarra: #2e4257;
    --azul-acero: #c7d9e5;
    --gris-plata: #c0c0c0;
    --transparencia-nodo: rgba(199, 217, 229, 0.05);
}

html { scroll-behavior: smooth; }

/* 2. RESETEO Y BASE */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--negro-absoluto);
    color: var(--blanco-puro);
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
}

p {
    margin-bottom: 1.5rem; 
}
p:last-child {
    margin-bottom: 0; 
}

/* 3. TIPOGRAFÍA Y JERARQUÍA */
h1, h2, h3 { 
    font-family: 'Erstoria', serif; 
    font-weight: normal; 
    line-height: 1.4; 
    display: block;
    overflow: visible;
}

main h2, footer h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: var(--blanco-puro);
}

.encabezado-seccion {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
}

.subtitulo-seccion { 
    color: var(--gris-plata); 
    font-size: 1.15rem; 
}

/* 4. ESTRUCTURA DE SECCIONES */
.seccion-general {
    padding: 100px 5%; 
}

.seccion-oscura {
    background-color: var(--negro-fondo);
    border-top: 1px solid #111;
    border-bottom: 1px solid #111;
}

.seccion-footer {
    padding-bottom: 80px; 
}

.contenedor-centrado {
    max-width: 800px; 
    margin: 0 auto; 
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 5. HERO & NAVBAR */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 0 60px 0;
    background-image: 
        radial-gradient(circle at 20% 30%, var(--transparencia-nodo) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, var(--transparencia-nodo) 0%, transparent 20%);
}

.navbar {
    position: absolute;
    top: 40px;
    width: 100%;
    text-align: center;
    z-index: 10;
}

.brand-logo-img {
    height: 75px; 
    width: auto;
    display: block;
    margin: 0 auto;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    z-index: 2;
}

.hero-content { padding-right: 40px; }

.hero-content h1 { 
    font-size: 3.2rem; 
    margin-bottom: 20px; 
} 

.hero-content h2 { 
    font-size: 1.3rem; 
    color: var(--azul-acero); 
    font-weight: 300; 
    margin-bottom: 20px; 
}

.destacado-autoridad {
    font-style: italic;
    border-left: 3px solid var(--azul-acero);
    padding-left: 20px;
    margin-bottom: 40px;
    line-height: 1.7; 
}

.hero-image { position: relative; height: 80vh; display: flex; justify-content: flex-end; }

.retrato-autoridad {
    width: 100%; 
    height: 100%; 
    object-fit: cover;
    object-position: center top; 
    filter: grayscale(100%) contrast(120%) brightness(85%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 45%), linear-gradient(to top, transparent 0%, black 20%);
    mask-image: linear-gradient(to right, transparent 0%, black 45%), linear-gradient(to top, transparent 0%, black 20%);
    -webkit-mask-composite: source-in; mask-composite: intersect;
}

/* BOTONES GLOBALES */
.btn-cta {
    display: inline-block; background-color: var(--azul-pizarra); color: var(--blanco-puro);
    padding: 18px 35px; text-decoration: none; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; border: 1px solid var(--azul-acero);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-cta:hover { 
    transform: translateY(-3px); background-color: transparent; box-shadow: 0 10px 20px rgba(199, 217, 229, 0.1);
}

/* 6. ESPECIALIZACIÓN DUAL (LOS 2 PILARES) */
.contenedor-servicios-dual {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 60px;
    max-width: 1300px;
    margin: 0 auto;
}

.tarjeta-servicio-premium {
    border-top: 2px solid rgba(199, 217, 229, 0.3); 
    background: linear-gradient(180deg, rgba(199,217,229,0.03) 0%, transparent 100%);
    padding: 40px;
    transition: transform 0.3s ease;
}

.tarjeta-servicio-premium:hover {
    transform: translateY(-5px);
    border-top-color: var(--azul-acero);
}

.servicio-header {
    display: flex; align-items: baseline; gap: 15px; margin-bottom: 20px;
}

.numero-servicio {
    font-size: 1rem; color: var(--azul-acero); font-weight: 600; letter-spacing: 2px;
}

.tarjeta-servicio-premium h3 {
    font-size: 2rem; padding-bottom: 0; margin: 0;
}

.meta-objetivo {
    font-style: italic; color: var(--azul-acero); font-size: 1rem; margin-bottom: 30px; letter-spacing: 0.5px; opacity: 0.9;
}

.lista-estrategias { list-style: none; }
.lista-estrategias li {
    font-size: 1rem; color: var(--gris-plata); margin-bottom: 20px; position: relative; padding-left: 25px;
}
.lista-estrategias li::before {
    content: ""; width: 8px; height: 1px; background: var(--azul-acero); position: absolute; left: 0; top: 14px;
}
.lista-estrategias li strong { color: var(--blanco-puro); font-weight: 600; }

/* 7. TRAYECTORIA */
.contenedor-trayectoria { 
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; max-width: 1200px; margin: 0 auto; 
}

.pre-titulo {
    font-size: 1.1rem; font-weight: 600; letter-spacing: 4px; color: var(--azul-acero);
    display: block; margin-bottom: 10px; opacity: 0.9; text-transform: uppercase;
}

.subtitulo-perfil {
    font-size: 1rem; color: var(--gris-plata); font-weight: 600; margin-bottom: 25px;
}

.trayectoria-perfil a {
    color: var(--azul-acero); text-decoration: none; font-weight: 600;
    border-bottom: 1px solid rgba(199, 217, 229, 0.3); transition: all 0.3s ease;
}
.trayectoria-perfil a:hover {
    color: var(--blanco-puro); border-bottom-color: var(--azul-acero); background-color: rgba(199, 217, 229, 0.05);
}

.trayectoria-credenciales ul { list-style: none; display: flex; flex-direction: column; gap: 30px; } 
.trayectoria-credenciales li { border-bottom: 1px solid #22; padding-bottom: 15px; }
.trayectoria-credenciales span { display: block; color: #888; font-size: 0.9rem; font-weight: 300; margin-top: 5px; }

/* 8. PERSPECTIVAS (SUBSTACK) */
.contenedor-grid-unico {
    max-width: 800px; margin: 0 auto;
}

.tarjeta-articulo {
    background: var(--transparencia-nodo); padding: 40px; border: 1px solid #222;
    transition: border-color 0.3s ease;
}
.tarjeta-articulo:hover { border-color: var(--azul-acero); }

.fecha-articulo {
    font-size: 0.75rem; color: var(--azul-acero); letter-spacing: 2px; display: block; margin-bottom: 15px;
}

.newsletter-cta {
    max-width: 800px; margin: 60px auto 0 auto; padding: 60px; border-top: 1px solid #222; text-align: center;
}

.btn-suscribir {
    display: inline-block; padding: 15px 40px; border: 1px solid var(--azul-acero); color: var(--azul-acero);
    text-decoration: none; font-size: 0.9rem; letter-spacing: 1px; transition: all 0.3s ease; margin-top: 20px; font-weight: 600;
}
.btn-suscribir:hover { background-color: var(--azul-acero); color: var(--negro-absoluto); }

/* 9. CONTACTO (FOOTER) */
.datos-directos { 
    display: flex; 
    flex-direction: column; 
    gap: 8px;
    margin-top: 15px; 
}

.datos-directos p { 
    margin: 0; 
    line-height: 1.4;
}

.datos-directos a { color: var(--blanco-puro); text-decoration: none; transition: color 0.3s ease; }
.datos-directos a:hover { color: var(--azul-acero); text-decoration: underline; }
.datos-directos strong { color: var(--azul-acero); margin-right: 10px; }

.btn-vcard {
    display: inline-block; margin-top: 40px; padding: 12px 25px; font-size: 0.85rem; font-weight: 400; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--blanco-puro); border: 1px solid var(--azul-acero); text-decoration: none;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.btn-vcard:hover { background-color: rgba(199, 217, 229, 0.1); transform: translateY(-2px); }

.logo-cierre {
    height: 110px; width: auto; margin-top: 60px; opacity: 1; cursor: default; display: block;
}

/* 10. RESPONSIVE Y LAPTOPS */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 2.6rem; }
    .hero-image { height: 60vh; }
    
    .contenedor-servicios-dual { grid-template-columns: 1fr; gap: 40px; }
    .contenedor-trayectoria { gap: 60px; }
}

@media (max-width: 768px) {
    .seccion-general { padding: 80px 5%; }
    
    .brand-logo-img { height: 65px; } 
    main h2, footer h2 { font-size: 2.2rem; } 
    
    .hero-container, .contenedor-trayectoria { grid-template-columns: 1fr; }
    
    .hero-content { text-align: center; padding-right: 0; order: 2; }
    .hero-image { order: 1; height: auto; min-height: 400px; max-height: 55vh; margin-bottom: 20px; }

    .retrato-autoridad {
        -webkit-mask-image: linear-gradient(to bottom, black 65%, transparent 100%);
        mask-image: linear-gradient(to bottom, black 65%, transparent 100%);
        -webkit-mask-composite: source-over; mask-composite: add;
    }

    .hero-content h1 { font-size: 2rem; }
    .tarjeta-servicio-premium h3 { font-size: 1.6rem; }
    
    .newsletter-cta { padding: 40px 20px; }
}