:root {
    --dark-bg: #ffffff;       /* Fondo principal de la página: Blanco */
    --card-bg: #f8fafc;       /* Fondo de tarjetas: Gris ultra claro */
    --light-bg: #131c2e;      /* Fondos invertidos oscuros */
    --primary-blue: #0284c7;  /* Azul tecnológico */
    --accent-gold: #eab308;   /* Dorado corporativo */
    --text-light: #0f172a;    /* Texto principal sobre blanco: Oscuro */
    --text-dark: #f8fafc;     /* Texto sobre fondos oscuros: Claro */
    --text-gray: #64748b;     /* Gris para descripciones secundarias */
    --navbar-bg: #0b111e;     /* Azul oscuro para la Navbar */
    --footer-bg: #070a13;     /* Azul ultra oscuro para el Footer */
    --instagram-color: #e1306c;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
}

/* Navbar Premium Oscura */
header {
    background-color: var(--navbar-bg);
    border-bottom: 2px solid var(--accent-gold);
    padding: 10px 8%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Círculo Blanco para el Logo */
.logo-circle-container {
    width: 60px;
    height: 60px;
    background-color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.logo-circle-container:hover {
    transform: scale(1.05);
}

.logo-circle-container img {
    height: 85%;
    width: auto;
    object-fit: contain;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Estructura de Contenidos */
.main-content {
    padding: 80px 8%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 75vh;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 12px;
    color: #0f172a;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 65px;
    height: 4px;
    background-color: var(--accent-gold);
}

.grid-two-cols {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}

/* ==========================================================================
   Estructura de 4 Columnas para Valores (Filosofía Organizacional)
   ========================================================================== */
.grid-four-cols {
    display: grid;
    /* Fuerza exactamente 4 columnas de tamaño idéntico en una sola fila */
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

/* Ajuste responsivo extra: Si alguien abre la web desde un celular, 
   aquí sí se acomodarán uno debajo de otro para que no se vea amontonado */
@media (max-width: 900px) {
    .grid-four-cols {
        grid-template-columns: repeat(2, 1fr); /* 2 columnas en tablets */
    }
}

@media (max-width: 600px) {
    .grid-four-cols {
        grid-template-columns: 1fr; /* 1 sola columna en celulares */
    }
}

.text-block p {
    color: #334155;
    font-size: 16px;
    margin-bottom: 20px;
    text-align: justify;
}

.text-block p strong {
    color: #0f172a;
}

/* Tarjetas Informativas sobre Blanco */
.corporate-card {
    background-color: var(--card-bg);
    border: 1px solid #e2e8f0;
    border-left: 4px solid var(--primary-blue);
    padding: 30px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.corporate-card h4 {
    font-size: 18px;
    color: #0f172a;
    margin-bottom: 12px;
    font-weight: 600;
}

.corporate-card p {
    font-size: 14.5px;
    color: #475569;
    text-align: justify;
}

/* Footer Premium Oscuro */
footer {
    background-color: var(--footer-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 80px 8% 30px 8%;
    font-size: 14px;
    color: #94a3b8;
}

.footer-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 60px;
}

footer h4 {
    color: #f8fafc;
    font-size: 15px;
    margin-bottom: 25px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

footer h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 30px;
    height: 2px;
    background-color: var(--primary-blue);
}

footer p, footer strong, footer h3, footer h5 {
    color: #e2e8f0 !important;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-col ul a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-links-col ul a:hover {
    color: var(--accent-gold);
    padding-left: 3px;
}

.footer-contact-col .contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-contact-col .contact-icon {
    color: var(--primary-blue);
    font-weight: bold;
}

.btn-insta-footer {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff !important;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    width: 100%;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-insta-footer:hover {
    background-color: var(--instagram-color);
    border-color: var(--instagram-color);
    box-shadow: 0 4px 20px rgba(225, 48, 108, 0.3);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    color: #475569;
    font-size: 12px;
}

.footer-bottom a {
    color: #475569;
    text-decoration: none;
    margin-left: 15px;
}

.footer-bottom a:hover {
    color: #94a3b8;
}