/* =================================================================
 * Vanguard Global Structures & Mobility Advisory - Estilos Principales
 * Dominio: folioglobal.icue | Inspiración Arquitectónica & Editorial
 * ================================================================= */

:root {
    --bg-primary: #0b1120;
    --bg-surface: #111c33;
    --bg-card: #182440;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-gold: #d4af37;
    --accent-gold-hover: #e6c555;
    --accent-cyan: #0ea5e9;
    --border-subtle: rgba(212, 175, 55, 0.22);
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --transition-standard: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Barra Superior de Aviso Legal (Google Ads Compliance) */
.top-disclaimer-bar {
    background: linear-gradient(90deg, #182440, #111c33);
    color: var(--accent-gold);
    font-size: 0.82rem;
    font-weight: 500;
    text-align: center;
    padding: 10px 20px;
    border-bottom: 1px solid var(--border-subtle);
    letter-spacing: 0.02em;
}

/* Cabecera Estructurada */
.site-header {
    background-color: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.brand-logo span {
    color: var(--accent-gold);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-standard);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--accent-gold);
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-gold), #b38f2b);
    color: #0b1120 !important;
    padding: 10px 22px;
    border-radius: 4px;
    font-weight: 600 !important;
    transition: var(--transition-standard);
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--accent-gold-hover), var(--accent-gold));
    transform: translateY(-2px);
}

/* Hero Editorial Arquitectónico */
.hero-architectural {
    max-width: 1300px;
    margin: 80px auto;
    padding: 0 30px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-serif);
    font-size: 3.8rem;
    line-height: 1.15;
    margin-bottom: 25px;
    font-weight: 700;
}

.hero-content h1 span {
    color: var(--accent-gold);
    font-style: italic;
}

.hero-content p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 35px;
}

.hero-visual-frame {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-visual-frame img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
    filter: brightness(0.9);
}

/* Secciones de Contenido Masivo y Editorial */
.editorial-section {
    max-width: 1300px;
    margin: 100px auto;
    padding: 0 30px;
}

.editorial-grid-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.editorial-text h2 {
    font-family: var(--font-serif);
    font-size: 2.6rem;
    margin-bottom: 25px;
    line-height: 1.25;
}

.editorial-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* Tarjetas de Auditoría Estructural */
.audit-matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.audit-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 40px 30px;
    transition: var(--transition-standard);
}

.audit-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
}

.audit-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.audit-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pie de Página Institucional */
.site-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    margin-top: 120px;
    padding: 80px 30px 40px;
}

.footer-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-widget h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.footer-widget p, .footer-widget ul li a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    text-decoration: none;
    line-height: 1.8;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget ul li a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    max-width: 1300px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.85rem;
}