/* Fuente base y variables */
:root{
  --brand:#1f6fb2;
  --brand-2:#1ec1d6;
  --dark:#0f172a;
  --text:#1e293b;
  --muted:#64748b;
  --bg:#ffffff;
  --bg-alt:#f5f8fb;
  --radius:18px;
  --shadow:0 10px 25px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, 'Noto Sans', 'Helvetica Neue', sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}

img{max-width:100%;height:auto;display:block}

/* Layout utils */
.container{max-width:1100px;margin:0 auto;padding:0 1rem}
.flex{display:flex;gap:1rem}
.between{justify-content:space-between}
.center{align-items:center}
.wrap{flex-wrap:wrap}

.topbar{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e5eaf0
}
.topbar .logo{height:44px;width:auto}
.nav a{margin:0 .5rem;text-decoration:none;color:var(--text);font-weight:600}
.nav .btn{margin-left:.5rem}

.hero{position:relative;min-height:100vh;display:grid;place-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(.6)}
.overlay{position:absolute;inset:0;background:linear-gradient(to bottom, rgba(0,0,0,.2), rgba(0,0,0,.5))}
.hero-content{position:relative;color:#fff;text-align:center}
.hero h1{font-size:clamp(2rem,4vw,3rem);margin:.5rem 0}
.hero p{opacity:.95;font-size:1.1rem}
.hero-cta{display:flex;gap:.75rem;justify-content:center;margin-top:1rem;flex-wrap:wrap}

.section{padding:64px 0}
.section.alt{background:var(--bg-alt)}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 1rem}
h3{margin:.2rem 0 .5rem}

.btn{
  display:inline-block;padding:.8rem 1rem;border-radius:999px;
  border:1px solid var(--brand);color:var(--brand);text-decoration:none;font-weight:700;
  box-shadow:var(--shadow);background:#fff;transition:all .2s ease
}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}

.grid{display:grid;gap:1rem}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{
  background:#fff;border-radius:var(--radius);padding:1rem;border:1px solid #e7edf3;box-shadow:var(--shadow);
}

.checklist{padding-left:1.2rem}
.checklist li{margin:.4rem 0}

.muted{color:var(--muted)}
.small{font-size:.9rem}

.video-placeholder .ratio,
.embed .ratio,
#ubicacion .ratio{position:relative;width:100%;padding-bottom:62%}
.ratio iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:var(--radius);box-shadow:var(--shadow)}

.gallery{
  columns:1;column-gap:1rem
}
@media(min-width:640px){.gallery{columns:2}}
@media(min-width:1024px){.gallery{columns:3}}
.gallery img{break-inside:avoid;border-radius:12px;margin:0 0 1rem;box-shadow:var(--shadow)}

.footer{padding:24px 0;border-top:1px solid #e5eaf0;background:#fff}

.whatsapp-float{
  position:fixed;right:18px;bottom:18px;background:#25D366;color:#fff;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 10px 20px rgba(0,0,0,.2);text-decoration:none
}
.whatsapp-float svg{width:30px;height:30px;fill:#fff}

@media(max-width:900px){
  .grid.two{grid-template-columns:1fr}
  .nav{display:flex;flex-wrap:wrap;justify-content:flex-end}
}


/* Efectos modernos para portada */
.hero-bg{
  animation: zoomHero 20s ease-in-out infinite alternate;
}

@keyframes zoomHero {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.overlay{
  background: linear-gradient(to bottom right, rgba(0,0,0,.4), rgba(0,0,0,.7));
}


/* Botón animado central portada */
.btn.pulse{
  animation: pulseAnim 2s infinite;
}
@keyframes pulseAnim{
  0%{box-shadow:0 0 0 0 rgba(31,111,178,0.7)}
  70%{box-shadow:0 0 0 20px rgba(31,111,178,0)}
  100%{box-shadow:0 0 0 0 rgba(31,111,178,0)}
}