/* ===============================
   UMG – Universidad Mariano Gálvez
   Tema de sobreescritura (después de style.css)
   =============================== */

:root{
  --umg-blue-900:#0B2A52;
  --umg-blue-700:#1A3F73;
  --umg-blue-100:#E8EFF7;
  --umg-red-700:#AA1E23;
  --umg-red-500:#C62828;
  --umg-red-100:#FBECEE;
  --umg-gold-500:#C6A256;
  --umg-text-900:#1A1D21;
  --umg-text-700:#2F343B;
  --umg-shadow:0 10px 24px rgba(11,42,82,.10);
  --umg-radius:14px;
  --umg-font-sans:"Montserrat","Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --umg-font-display:"Merriweather","Georgia",serif;
}

/* Tipografía base */
body{ font-family:var(--umg-font-sans); color:var(--umg-text-900); }

/* Titulares sobrios */
h1,h2,h3,h4{ font-family:var(--umg-font-display); color:var(--umg-blue-900); }

/* Navbar / header */
.header, .navbar, .top-nav, .main-header{
  background:var(--umg-blue-900)!important; color:#fff;
}
.navbar a, .header a{ color:#fff!important; }
.navbar a:hover, .header a:hover{ color:var(--umg-gold-500)!important; }

/* Botones principales */
.btn-primary, .btn.btn-primary{
  background:var(--umg-red-700)!important; border-color:var(--umg-red-700)!important;
}
.btn-primary:hover{ background:var(--umg-red-500)!important; border-color:var(--umg-red-500)!important; }

/* Botón secundario */
.btn-secondary{
  background:var(--umg-blue-700)!important; border-color:var(--umg-blue-700)!important; color:#fff!important;
}
.btn-secondary:hover{ filter:brightness(1.06); }

/* Cards */
.card{
  border:1px solid #E7ECF2; border-radius:var(--umg-radius);
  box-shadow:var(--umg-shadow);
}
.card-header{ background:var(--umg-blue-100); color:var(--umg-blue-900); font-weight:700; }

/* Footer */
footer, .footer{ background:var(--umg-blue-900)!important; color:#fff; }
footer a, .footer a{ color:#fff; opacity:.9; }
footer a:hover, .footer a:hover{ opacity:1; }

/* Links */
a{ color:var(--umg-blue-700); }
a:hover{ text-decoration:underline; }

/* Accesibilidad */
:focus-visible{ outline:3px solid var(--umg-gold-500); outline-offset:2px; }
.header, .navbar, .main-header, .top-nav{
  background-color:#0B2A52 !important;
  background-image:none !important;
  color:#fff !important;
}
.btn-primary, .btn.btn-primary, .theme-btn{
  background-color:#AA1E23 !important;
  border-color:#AA1E23 !important;
  background-image:none !important;
  color:#fff !important;
}
.banner-section, .hero, .home-banner, .main-banner{
  background-color:#0B2A52 !important;
  background-image:linear-gradient(90deg,#0B2A52 0%, #1A3F73 100%) !important;
  color:#fff !important;
}