:root{
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --alt: #f8fafc;
  --brand: #0b3a78; /* azul institucional */
  --brand2:#0a2f60;
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 18px}

.topbar{
  position: sticky; top:0; z-index:10;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  min-height:64px; gap:16px;
}
.brand{display:flex; align-items:center; gap:10px}
.brand__logo{width:34px;height:34px;object-fit:contain}
.brand__name{font-weight:700; letter-spacing:.2px}

.nav{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
.nav a{font-size:14px;color:var(--muted)}
.nav a:hover{color:var(--text)}
.nav__cta{
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--brand);
  background:#fff;
}
.nav__cta:hover{border-color:var(--brand);}

.hero{
  padding:42px 0 34px 0;
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 35%, var(--alt) 100%);
}
.hero__inner{display:grid; grid-template-columns: 1.3fr .7fr; gap:22px; align-items:start}
.hero__text h1{font-size:38px; line-height:1.15; margin:0 0 10px 0}
.hero__text p{color:var(--muted); font-size:16px; margin:0 0 18px 0}

.hero__actions{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius: 999px;
  border:1px solid var(--line);
  font-weight:600;
  font-size:14px;
}
.btn--primary{
  background: var(--brand);
  color:#fff;
  border-color: var(--brand);
}
.btn--primary:hover{background: var(--brand2)}
.btn--ghost{background:#fff}
.btn--ghost:hover{border-color:#cbd5e1}

.hero__note{margin-top:14px; display:flex; align-items:center; gap:10px; color:var(--muted)}
.dot{width:8px;height:8px;border-radius:99px;background:var(--brand);display:inline-block}

.hero__card{
  background:#fff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:14px;
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
}
.hero__card h2{margin:4px 0 12px 0; font-size:16px}
.cardlink{
  display:block;
  padding:12px;
  border-radius: 12px;
  border:1px solid var(--line);
  margin-bottom:10px;
}
.cardlink:hover{border-color:#cbd5e1}
.cardlink strong{display:block; font-size:14px}
.cardlink span{display:block; color:var(--muted); font-size:13px; margin-top:2px}

.section{padding:42px 0}
.section--alt{background:var(--alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.section h2{margin:0 0 10px 0; font-size:26px}
.muted{color:var(--muted)}

.grid{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.box{
  background:#fff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
}
.box h3{margin:0 0 8px 0; font-size:16px}
.box p{margin:0;color:var(--muted); font-size:14px}

.contact{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.list{margin:10px 0 0 18px; color:var(--muted)}
.footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0;
}
.footer__inner{display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap}
.footer small{color:var(--muted)}

@media (max-width: 900px){
  .hero__inner{grid-template-columns: 1fr}
  .hero__text h1{font-size:30px}
  .grid{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
}
.footer{
  position: relative;
  overflow: hidden;
}

.sede-img{
  width:100%;
  border-radius:16px;
  margin-top:18px;
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
}

/* Destacar "Sitio Web" en el menú */
.nav__site{
  color: #b45309;              /* ámbar sobrio */
  font-weight: 700;
}

.nav__site:hover{
  color: #92400e;
}