/* ============================================================
   SECCIONES — estilos de cada bloque de la página, en el mismo
   orden en que aparecen al hacer scroll.
   ============================================================ */

/* ===== NAV (barra superior fija) ===== */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(8,11,40,0.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(217,184,74,0.18);
}
.navbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
  max-width:var(--maxw); margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand img{height:44px; width:auto;}
.brand-text{line-height:1.15;}
.brand-text strong{
  display:block; font-family:'Playfair Display', serif; font-size:16px; color:var(--cream); font-weight:600;
}
.brand-text span{
  display:block; font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--gold-300, var(--gold-400)); margin-top:2px;
}
nav.links{display:flex; gap:30px; align-items:center;}
nav.links a{
  color:var(--cream); font-size:14px; font-weight:500; opacity:0.85;
  position:relative; padding:4px 0;
}
nav.links a:hover{opacity:1;}
nav.links a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px; background:var(--gold-400);
  transition:width .25s ease;
}
nav.links a:hover::after{width:100%;}
.menu-toggle{display:none; background:none; border:none; cursor:pointer; padding:6px;}
.menu-toggle span{display:block; width:22px; height:2px; background:var(--cream); margin:5px 0;}
#navCta{display:none;}
@media (min-width:1100px){#navCta{display:inline-flex; padding:10px 18px;}}

/* ===== HERO (portada) ===== */
.hero{
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(217,184,74,0.16), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900) 55%, var(--navy-900));
  padding:76px 0 0;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.85fr; gap:56px; align-items:center;
  max-width:var(--maxw); margin:0 auto; padding:34px 28px 0;
}
.hero h1{
  font-size:clamp(34px, 4.6vw, 58px);
  color:var(--cream);
  line-height:1.06;
  margin:18px 0 22px;
}
.hero h1 em{
  font-style:normal; color:var(--gold-400);
}
.hero p.lede{
  font-size:17px; line-height:1.65; color:rgba(247,242,230,0.78); max-width:480px; margin-bottom:32px;
}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
.hero-wa{
  display:inline-block; margin-top:18px; font-size:13.5px; font-weight:600;
  color:var(--gold-400); letter-spacing:0.03em; transition:color .2s ease;
}
.hero-wa:hover{color:var(--gold-200);}
.hero-figure{position:relative;}
.hero-photo-frame{
  position:relative; padding:14px;
  border:1px solid var(--line);
}
.hero-photo-frame img{width:100%; height:520px; object-fit:cover;}
.hero-photo-frame::before, .hero-photo-frame::after{
  content:""; position:absolute; width:36px; height:36px; border:2px solid var(--gold-400);
}
.hero-photo-frame::before{top:-1px; left:-1px; border-right:none; border-bottom:none;}
.hero-photo-frame::after{bottom:-1px; right:-1px; border-left:none; border-top:none;}
.seal{
  position:absolute; left:-28px; bottom:-28px;
  width:154px; height:154px; border-radius:50%;
  background:radial-gradient(circle at 50% 32%, var(--navy-800), var(--navy-950) 75%);
  border:1px solid var(--gold-500);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; box-shadow:var(--shadow);
}
.seal::before{
  content:""; position:absolute; inset:7px; border-radius:50%;
  border:1px dashed rgba(217,184,74,0.55); pointer-events:none;
}
.seal .num{font-family:'Playfair Display', serif; font-size:44px; color:var(--gold-400); font-weight:700; line-height:1;}
.seal .lbl{font-size:9.5px; letter-spacing:0.16em; text-transform:uppercase; color:rgba(247,242,230,0.85); margin-top:5px; line-height:1.5; font-weight:600;}
.seal .yrs{font-size:10px; letter-spacing:0.14em; color:var(--gold-400); margin-top:4px; font-weight:700;}
.hero-strip{
  margin-top:56px; border-top:1px solid rgba(217,184,74,0.16);
  padding:22px 28px; display:flex; gap:40px; flex-wrap:wrap; justify-content:space-between;
  max-width:var(--maxw); margin-left:auto; margin-right:auto;
}
.hero-strip .item{color:rgba(247,242,230,0.65); font-size:13px; display:flex; align-items:center; gap:10px;}
.hero-strip .item b{color:var(--gold-300, var(--gold-400)); font-family:'Playfair Display',serif; font-size:15px; font-weight:600;}

/* ===== HISTORIA (hilo generacional) ===== */
.historia{background:var(--cream); padding:110px 0;}
.historia-layout{display:grid; grid-template-columns:0.42fr 0.58fr; gap:70px; align-items:start;}
.thread{position:relative; padding-left:34px;}
.thread::before{
  content:""; position:absolute; left:6px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(180deg, var(--gold-500), var(--gold-200) 60%, transparent);
}
.thread-node{position:relative; padding-bottom:46px;}
.thread-node:last-child{padding-bottom:0;}
.thread-node::before{
  content:""; position:absolute; left:-34px; top:4px; width:14px; height:14px; border-radius:50%;
  background:var(--cream); border:2px solid var(--gold-500);
}
.thread-node .gen{font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--gold-600); font-weight:700;}
.thread-node h3{font-size:22px; color:var(--navy-900); margin:8px 0 8px;}
.thread-node p{font-size:15px; line-height:1.6; color:#4a4d63;}
.historia-text p{font-size:16.5px; line-height:1.75; color:#33354a; margin-bottom:20px;}
.historia-text p:first-child{
  font-family:'Playfair Display', serif; font-size:22px; color:var(--navy-900); line-height:1.45; font-weight:500;
}

/* ===== FORMAMOS FAMILIAS ===== */
.familias{
  background:var(--paper);
  padding:110px 0;
  border-top:1px solid rgba(14,19,61,0.06);
  border-bottom:1px solid rgba(14,19,61,0.06);
}
.familias-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; align-items:center;}
.pull{
  font-family:'Playfair Display', serif; font-size:clamp(30px,3.6vw,44px); color:var(--navy-900);
  line-height:1.18; font-weight:600;
}
.pull span{color:var(--gold-600);}
.familias-copy{margin-top:26px; font-size:16px; line-height:1.7; color:#4a4d63; max-width:460px;}
.photo-cluster{position:relative; height:460px;}
.photo-cluster img, .photo-cluster .img-fallback{
  position:absolute; object-fit:cover; box-shadow:var(--shadow); border:6px solid var(--cream);
}
.photo-cluster .p1{width:64%; height:78%; top:0; left:0; z-index:2;}
.photo-cluster .p2{width:52%; height:52%; bottom:0; right:0; z-index:3; transform:rotate(2deg);}
.photo-cluster .img-fallback{min-height:0;}
.hero-photo-frame .img-fallback{height:520px;}

/* ===== EDUCACIÓN (niveles) ===== */
.niveles{background:var(--navy-900); padding:110px 0; position:relative;}
.niveles::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(ellipse 800px 400px at 10% 0%, rgba(217,184,74,0.10), transparent 60%);
  pointer-events:none;
}
.niveles-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px; position:relative;}
.nivel-card{
  background:var(--navy-800); border:1px solid rgba(217,184,74,0.18);
  padding:34px 28px; position:relative; transition:border-color .25s ease, transform .25s ease;
}
.nivel-card:hover{border-color:var(--gold-500); transform:translateY(-4px);}
.nivel-card .tag{
  font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--gold-400); font-weight:700;
}
.nivel-card h3{font-size:24px; color:var(--cream); margin:12px 0 14px;}
.nivel-card p{font-size:14.5px; line-height:1.65; color:rgba(247,242,230,0.68);}
.niveles-badge{margin-top:34px; text-align:center; position:relative;}
.niveles-badge .badge{
  display:inline-block; font-size:12.5px; color:var(--navy-950); background:var(--gold-400);
  padding:8px 18px; font-weight:700; letter-spacing:0.02em;
}

/* ===== VIDA EXTRACURRICULAR (actividades) ===== */
.oferta{background:var(--cream); padding:110px 0;}
.activity-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px;}
.activity-card{position:relative; height:210px; overflow:hidden; border:1px solid rgba(14,19,61,0.15);}
.activity-card img{width:100%; height:100%; object-fit:cover; display:block; transition:transform .4s ease;}
.activity-card:hover img{transform:scale(1.06);}
.activity-card .label{
  position:absolute; left:0; right:0; bottom:0; padding:30px 12px 10px;
  background:linear-gradient(180deg, transparent, rgba(8,11,40,0.9));
  color:var(--cream); font-size:13px; font-weight:700; letter-spacing:0.01em;
}
.activity-card .label .sub{
  display:block; font-size:11.5px; font-weight:500; color:rgba(247,242,230,0.82);
  margin-top:3px; line-height:1.4; letter-spacing:0;
}
/* Tarjeta "estampa": versión institucional mientras llega la foto definitiva */
.activity-card.estampa{
  background:
    radial-gradient(ellipse 280px 200px at 28% 18%, rgba(217,184,74,0.15), transparent 62%),
    linear-gradient(160deg, var(--navy-800), var(--navy-950));
  border-color:rgba(217,184,74,0.3);
}
.activity-card.estampa .inicial{
  position:absolute; inset:0 0 26px; display:flex; align-items:center; justify-content:center;
  font-family:'Playfair Display', serif; font-size:96px; font-weight:600;
  color:rgba(217,184,74,0.22); user-select:none;
}
.activity-card.estampa .label{background:linear-gradient(180deg, transparent, rgba(8,11,40,0.75));}

/* ===== VIDA PROMESIANA (galería) ===== */
.vida{background:var(--navy-950); padding:110px 0 90px;}
.vida-gallery{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:16px; margin-top:10px;}
.vg-item{position:relative; overflow:hidden; height:420px;}
.vg-item:nth-child(2), .vg-item:nth-child(3){height:auto; display:flex; flex-direction:column; gap:16px;}
.vg-item img{width:100%; height:100%; object-fit:cover; transition:transform .5s ease; filter:saturate(0.95) contrast(1.03);}
.vg-item:hover img{transform:scale(1.05);}
.vg-tall img{height:420px;}
.vg-item .cap{
  position:absolute; left:0; right:0; bottom:0; padding:16px 18px;
  background:linear-gradient(180deg, transparent, rgba(8,11,40,0.88));
  color:var(--cream); font-size:13px; font-weight:600; letter-spacing:0.02em;
}
.vg-small{height:202px; position:relative; overflow:hidden;}
.vg-small .cap{font-size:11.5px; padding:14px 14px 10px; letter-spacing:0.04em;}

/* ===== PERFIL DEL ESTUDIANTE (valores) ===== */
.perfil{background:var(--paper-2); padding:110px 0;}
.valores-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(14,19,61,0.14); border:1px solid rgba(14,19,61,0.14);}
.valor{background:var(--paper-2); padding:34px 28px;}
.valor .n{font-family:'Playfair Display',serif; font-size:13px; color:var(--gold-600); font-weight:700; letter-spacing:0.04em;}
.valor h3{font-size:20px; color:var(--navy-900); margin:10px 0 10px;}
.valor p{font-size:14px; line-height:1.6; color:#4a4d63;}

/* ===== TESTIMONIOS ===== */
.testimonios{background:var(--cream); padding:110px 0;}
/* Muro de tarjetas de Instagram */
.testi-wall{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
  margin-top:36px;
}
.testi-card{
  margin:0;
  border-radius:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 6px 18px rgba(8,11,40,.10);
  transition:transform .3s ease, box-shadow .3s ease;
}
.testi-card img{
  display:block;
  width:100%;
  aspect-ratio:1 / 1; /* recorta el fondo azul vacío; los comentarios terminan por encima del corte (verificado en las 6 tarjetas, incl. las de 2 comentarios) */
  object-fit:cover;
  object-position:top center;
}
.testi-card:hover{
  transform:translateY(-6px);
  box-shadow:0 14px 30px rgba(8,11,40,.16);
}
.testi-card:nth-child(3n+1){ transform:rotate(-1deg); }
.testi-card:nth-child(3n){ transform:rotate(1deg); }
.testi-card:nth-child(3n+1):hover,
.testi-card:nth-child(3n):hover{ transform:translateY(-6px) rotate(0deg); }

.testi-footer{
  margin-top:34px;
  text-align:center;
}
.testi-footer p{
  font-style:italic;
  color:var(--navy-900);
  margin-bottom:10px;
}
.testi-ig-link{
  display:inline-block;
  font-weight:700;
  color:var(--navy-900);
  text-decoration:none;
  border-bottom:2px solid var(--gold-500);
  padding-bottom:2px;
}
.testi-ig-link:hover{ color:var(--gold-500); }

/* ===== CONTACTO ===== */
.contacto{background:var(--navy-900); padding:110px 0;}
.contacto-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px;}
.contacto-info .row{display:flex; gap:16px; padding:16px 0; border-bottom:1px solid rgba(217,184,74,0.14);}
.contacto-info .row .k{width:120px; flex-shrink:0; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--gold-400); font-weight:700; padding-top:2px;}
.contacto-info .row .v{font-size:15px; color:rgba(247,242,230,0.85); line-height:1.6;}
.map-embed{margin-top:22px; border:1px solid rgba(217,184,74,0.2); height:220px; overflow:hidden;}
.map-embed iframe{width:100%; height:100%; border:0; filter:grayscale(0.15) contrast(1.05);}
.map-link{display:inline-block; margin-top:10px; font-size:13px; font-weight:600; color:var(--gold-400); letter-spacing:0.04em;}
.map-link:hover{color:var(--gold-200);}
.form-card{background:var(--navy-800); border:1px solid rgba(217,184,74,0.18); padding:36px 32px;}
.form-card h3{font-family:'Playfair Display',serif; font-size:22px; color:var(--cream); margin-bottom:6px;}
.form-card .sub{font-size:13.5px; color:rgba(247,242,230,0.6); margin-bottom:24px;}

/* ===== FOOTER ===== */
footer{background:var(--navy-950); padding:60px 0 28px; border-top:1px solid rgba(217,184,74,0.14);}
.foot-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:40px; padding-bottom:40px;}
.foot-brand{display:flex; gap:14px; align-items:flex-start;}
.foot-brand img{height:52px;}
.foot-brand strong{display:block; font-family:'Playfair Display',serif; color:var(--cream); font-size:16px;}
.foot-brand .tag{font-size:13px; color:rgba(247,242,230,0.55); margin-top:8px; line-height:1.6; max-width:280px;}
.foot-col h4{font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:var(--gold-400); margin-bottom:16px; font-weight:700;}
.foot-col a, .foot-col p{display:block; font-size:13.5px; color:rgba(247,242,230,0.65); margin-bottom:10px; line-height:1.55;}
.foot-col a:hover{color:var(--gold-300, var(--gold-400));}
.foot-bottom{
  border-top:1px solid rgba(217,184,74,0.12); padding-top:24px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:12px; font-size:12px; color:rgba(247,242,230,0.62);
}