/* --- CONFIGURACIÓN DE COLORES Y VARIABLES ORIGINALES --- */
:root {
    --bg-dark: #0a0c10;       /* Negro Obsidiana */
    --surface: #ffffff;        /* Blanco Puro */
    --surface-soft: #f4f7fa;   /* Gris seda */
    --primary: #1a1f2e;       /* Azul Petróleo Profundo */
    --accent: #d4af37;        /* Oro Metálico (Elegancia y Valor) */
    --accent-dark: #b8860b;   /* Oro Envejecido */
    --text-main: #2d3436;
    --text-muted: #636e72;
    --success: #00b894;       /* Menta para estados positivos */
    
    /* Sistema de Espaciado y Sombras Pro */
    --shadow-lux: 0 20px 40px rgba(0,0,0,0.05);
    --radius-lg: 24px;
    --radius-md: 12px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* --- RESET Y FUNDAMENTOS --- */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--surface-soft);
    color: var(--text-main);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container { 
    width: 92%;
    max-width: 1280px; 
    margin: 0 auto; 
}

/* --- HEADER DINÁMICO --- */
header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(15px, 2vh, 25px) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-flex { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    gap: 20px;
}

.brand h1 { 
    font-size: clamp(1.2rem, 4vw, 1.8rem); 
    color: var(--primary); 
    font-weight: 900; 
    letter-spacing: -1.5px;
}
.brand h1 span { color: var(--accent); font-weight: 300; }

.main-nav { display: flex; gap: clamp(15px, 3vw, 35px); }
.main-nav a { 
    text-decoration: none; 
    color: var(--primary); 
    font-weight: 700; 
    font-size: 0.9rem; 
    position: relative;
    transition: var(--transition);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

/* --- LAYOUT RESPONSIVO INTELIGENTE --- */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 50px;
    padding: clamp(30px, 5vh, 80px) 0;
}

/* --- ARTÍCULOS (POSTS) --- */
.post {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: clamp(25px, 5vw, 50px);
    margin-bottom: 40px;
    box-shadow: var(--shadow-lux);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}

.post:hover { 
    transform: translateY(-10px); 
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
}

.category-tag {
    background: var(--primary);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.post h2 { 
    font-size: clamp(1.5rem, 4vw, 2.4rem); 
    color: var(--primary); 
    margin: 25px 0; 
    line-height: 1.1;
    letter-spacing: -1px;
}

.post img { 
    width: 100%; 
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    filter: grayscale(10%) contrast(105%);
}

/* --- BOTONES PREMIUM --- */
.action-group {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-top: 35px;
}

.btn-read {
    background: var(--primary) !important;
    color: var(--accent) !important;
    border: 2px solid var(--accent) !important;
    padding: 16px 35px !important;
    border-radius: 50px !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    transition: var(--transition) !important;
    cursor: pointer !important;
}

.btn-read:hover {
    background: var(--accent) !important;
    color: var(--primary) !important;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3) !important;
}

.link-deep {
    color: var(--primary) !important;
    font-weight: 800 !important;
    text-decoration: none !important;
    border-bottom: 2px solid var(--accent) !important;
    padding-bottom: 2px !important;
}

/* --- SIDEBAR DE AUTORIDAD --- */
.sidebar-card {
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-lux);
}

.google-card { border: 2px solid var(--primary); }
.id-badge { 
    background: var(--surface-soft); 
    padding: 15px; 
    border-radius: var(--radius-md); 
    color: var(--primary);
    font-weight: 900;
    text-align: center;
}

/* --- FOOTER INMERSIVO --- */
footer { 
    background: var(--bg-dark); 
    color: #a0a0a0; 
    padding: 100px 0 50px; 
}

.legal-box { 
    border-left: 3px solid var(--accent);
    padding-left: 30px;
    font-style: italic;
}

/* --- MEDIA QUERIES ULTRA-RESPONSIVE --- */

@media (max-width: 1100px) {
    .main-grid { grid-template-columns: 1fr; gap: 40px; }
    .container { width: 90%; }
}

@media (max-width: 768px) {
    .header-flex { flex-direction: column; gap: 20px; text-align: center; }
    .main-nav { gap: 15px; }
    .action-group { flex-direction: column; align-items: stretch; }
    .btn-read { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}