:root {
    --gold: #b8952d;
    --dark-blue: #051937;
    --light-bg: #ffffff; /* Fondo blanco para máxima claridad */
    --gray-bg: #f4f7f6;
    --text-main: #2c3e50;
    --white: #ffffff;
}

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-main);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1150px; margin: auto; }

header {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0; z-index: 1000;
}

nav { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 55px; }
nav ul { display: flex; list-style: none; margin: 0; }
nav ul li a { text-decoration: none; color: var(--dark-blue); font-weight: 700; margin-left: 25px; transition: 0.3s; }
nav ul li a:hover { color: var(--gold); }

/* Hero con transparencia sutil para resaltar hero-bg.png */
.hero {
    height: 105vh;
    background: url('img/hero-bg.png') no-repeat center center/cover;
}

.hero-overlay {
    background: rgba(255, 255, 255, 0.3); /* Capa clara que permite ver la imagen */
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-content h1 { 
    font-family: 'Orbitron', sans-serif; 
    font-size: 5rem; 
    color: var(--dark-blue); 
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.5);
}

.tagline { font-size: 1.8rem; color: var(--gold); font-weight: 700; margin-top: 0; }
.hero-desc { font-size: 1.2rem; max-width: 600px; color: #1a1a1a; font-weight: 400; }

/* Pilares Estilo Tarjeta Elegante */
.grid-pilares {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: -60px;
    position: relative;
}

.pilar-card {
    background: var(--dark-blue);
    color: var(--white);
    padding: 35px 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(5, 25, 55, 0.2);
}

.pilar-card h3 { color: var(--gold); margin-bottom: 10px; font-family: 'Orbitron', sans-serif; font-size: 1.1rem; }

.frase-importancia {
    text-align: center;
    padding: 40px 0;
    font-size: 1.2rem;
    color: var(--dark-blue);
}

/* Divisiones con Layout Original pero con Luz */
.section-title { text-align: center; margin: 80px 0 50px; font-family: 'Orbitron', sans-serif; font-size: 2.2rem; color: var(--dark-blue); }

.division-item { display: flex; align-items: center; gap: 60px; margin-bottom: 100px; }
.division-item.reverse { flex-direction: row-reverse; }
.div-text { flex: 1; }
.div-text h3 { color: var(--gold); font-size: 1.8rem; margin-bottom: 15px; }
.div-img { flex: 1; }
.div-img img { width: 100%; border-radius: 20px; box-shadow: 0 15px 40px rgba(0,0,0,0.1); }

.full-img { width: 100%; border-radius: 20px; margin-bottom: 60px; }

/* Footer */
footer { background: var(--dark-blue); color: var(--white); padding: 70px 0 30px; text-align: center; margin-top: 80px; }
.footer-logo { height: 90px; margin-bottom: 25px; }
.contact-box p { margin-bottom: 5px; opacity: 0.8; }
.contact-box a { color: var(--gold); font-size: 1.8rem; text-decoration: none; font-weight: bold; }
.bottom-bar { margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 0.85rem; opacity: 0.6; }

@media (max-width: 768px) {
    .division-item { flex-direction: column !important; text-align: center; }
    .hero-content h1 { font-size: 3.5rem; }
}