:root {
    --primary: #002d5a; /* Azul Colegiales / Elegante */
    --accent: #d4af37;  /* Dorado tipo Real Madrid */
    --light: #f8f9fa;
    --dark: #1a1a1a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: var(--dark); }

.container { max-width: 1200px; margin: auto; padding: 0 20px; }

/* HEADER */
.main-header { background: #fff; border-bottom: 2px solid var(--primary); padding: 10px 0; position: sticky; top: 0; z-index: 100; }
.nav-flex { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: bold; font-size: 1.2rem; color: var(--primary); }
.logo img { height: 50px; }

.desktop-menu ul { display: flex; list-style: none; gap: 20px; }
.desktop-menu a { text-decoration: none; color: var(--primary); font-weight: 600; text-transform: uppercase; font-size: 14px; }

/* HERO */
.hero-section {
    height: 70vh;
    background: linear-gradient(rgba(0,45,90,0.6), rgba(0,45,90,0.6)), url('https://images.unsplash.com/photo-1522778119026-d647f0596c20?w=1200');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}
.hero-content h1 { font-size: 3.5rem; text-transform: uppercase; margin: 15px 0; }
.badge { background: var(--accent); padding: 5px 15px; border-radius: 4px; font-size: 0.8rem; font-weight: bold; }
.btn-main { background: white; color: var(--primary); padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; display: inline-block; }

/* NOTICIAS */
.section-title { margin: 40px 0 20px; border-left: 5px solid var(--primary); padding-left: 15px; }
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 50px; }
.news-item { background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.news-img { height: 200px; background-size: cover; background-position: center; }
.news-text { padding: 20px; }

/* WHATSAPP */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2rem; }
    .desktop-menu { display: none; }
}