/*!
 * custom.css
 * Modern UI Kit v2.0
 * Base inicial para modernización del sitio.
 * NOTA: Esta es la primera entrega base; se ampliará con componentes específicos
 * en las siguientes fases.
 */

:root{
  --primary:#29ca8e;
  --primary-dark:#1ea977;
  --secondary:#0f172a;
  --bg:#f5f7fb;
  --surface:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --radius:18px;
  --radius-lg:28px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 60px rgba(15,23,42,.12);
  --transition:.35s ease;
}

body{
  background:linear-gradient(180deg,#fff,#f5f7fb);
  color:var(--text);
}

.custom-navbar{
  margin:12px auto;
  border:none!important;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

.section-btn{
  border-radius:999px;
  padding:14px 30px;
  transition:var(--transition);
}
.section-btn:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
}

.card-modern,
.courses-thumb,
.team-thumb{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:var(--transition);
  overflow:hidden;
}
.card-modern:hover,
.courses-thumb:hover,
.team-thumb:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
}

img{
  transition:transform .5s ease;
}
.card-modern:hover img,
.courses-thumb:hover img{
  transform:scale(1.05);
}

.form-control{
  border:none;
  border-radius:14px;
  background:#f8fafc;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}

footer{
  background:linear-gradient(135deg,#0e4732,#143b4d);
}

::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-thumb{
  background:linear-gradient(var(--primary),var(--primary-dark));
  border-radius:20px;
}