:root{
  --azul:#00448A; --azul-hondo:#032B5C; --celeste:#01ACDF; --verde:#A2C630; --verde-osc:#6E8F14;
  --amarillo:#FFC72C; --rosa:#E5157A; --blanco:#FFFFFF; --crema:#F7F9FC; --tinta:#14213D; --gris:#5B6478;
  --borde:#E3E8F0; --radio:22px; --wa:#25D366;
  --serif:"Fraunces", Georgia, serif; --sans:"Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --suave:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--tinta);background:var(--blanco);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
.contenedor{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.etiqueta{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.oculto{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ── Aparecer al bajar ── */
.revelar{opacity:0;transform:translateY(28px);transition:opacity .8s var(--suave),transform .8s var(--suave)}
.revelar.visible{opacity:1;transform:none}
.revelar[data-retraso="1"]{transition-delay:.08s}.revelar[data-retraso="2"]{transition-delay:.16s}
.revelar[data-retraso="3"]{transition-delay:.24s}.revelar[data-retraso="4"]{transition-delay:.32s}

/* ── Botones con efecto ── */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:600;transition:transform .2s var(--suave),box-shadow .2s,background .2s}
.btn::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .6s}
.btn:hover::after{left:120%}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-amarillo{background:var(--amarillo);color:var(--azul-hondo);padding:16px 28px;font-size:1rem;box-shadow:0 10px 24px -10px rgba(255,199,44,.9)}
.btn-amarillo:hover{box-shadow:0 16px 32px -10px rgba(255,199,44,1)}
.btn-azul{background:var(--azul);color:#fff;padding:11px 20px;font-size:.88rem}
.btn-linea{border:1.5px solid rgba(255,255,255,.6);color:#fff;padding:15px 24px;font-size:.95rem}
.btn-linea:hover{background:rgba(255,255,255,.12)}
.btn-borde{border:1.5px solid var(--borde);padding:12px 20px;font-size:.92rem;background:#fff}
.btn-borde:hover{border-color:var(--azul);color:var(--azul)}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ── Barra superior y cabecera ── */
.aviso{background:var(--amarillo);color:var(--azul-hondo);font-size:.8rem;font-weight:600;text-align:center;padding:9px 16px}
.cabecera{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--borde)}
.cabecera .contenedor{display:flex;align-items:center;justify-content:space-between;height:72px;gap:14px}
.marca{display:flex;align-items:center;gap:10px;min-width:0}
.marca-icono{flex:none;width:42px;height:42px;border-radius:13px;background:var(--azul);display:grid;place-items:center;transition:transform .3s var(--suave)}
.marca:hover .marca-icono{transform:rotate(-8deg) scale(1.05)}
.marca-texto{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.marca-texto b{font-family:var(--serif);font-size:1.32rem;color:var(--azul-hondo);letter-spacing:-.01em}
.marca-texto small{font-size:.66rem;color:var(--gris);font-weight:500;white-space:nowrap}
.marca-pkes{display:none;height:26px;width:auto;margin-left:6px;padding-left:12px;border-left:1px solid var(--borde)}
.menu{display:none;gap:26px;font-size:.92rem;font-weight:500;color:var(--gris)}
.menu a{position:relative}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--amarillo);transform:scaleX(0);transition:transform .3s var(--suave)}
.menu a:hover{color:var(--azul)}.menu a:hover::after{transform:scaleX(1)}

/* ── Portada ── */
.portada{position:relative;color:#fff;overflow:hidden;background:var(--azul-hondo)}
.portada-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.portada::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(3,43,92,.97) 0%,rgba(0,68,138,.88) 45%,rgba(0,68,138,.55) 100%)}
.portada::after{content:"";position:absolute;inset:0;z-index:1;background-image:radial-gradient(rgba(255,255,255,.08) 1.2px,transparent 1.3px);background-size:22px 22px;mask-image:linear-gradient(180deg,#000,transparent 80%)}
.portada .contenedor{position:relative;z-index:2;display:grid;gap:30px;padding-top:40px;padding-bottom:56px}
.portada .etiqueta{color:var(--amarillo)}
.portada .etiqueta::before{content:"";width:22px;height:2px;background:var(--amarillo)}
.portada h1{font-family:var(--serif);font-weight:700;font-size:clamp(2.4rem,8.6vw,4.4rem);line-height:1.03;letter-spacing:-.02em;margin:14px 0 16px}
.portada h1 em{font-style:italic;font-weight:600;color:var(--amarillo)}
.portada .bajada{font-size:1.06rem;color:rgba(255,255,255,.88);max-width:34ch}
.acciones{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.precios-portada{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.precio-chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:10px 14px;line-height:1.2}
.precio-chip span{display:block;font-size:.74rem;color:rgba(255,255,255,.75)}
.precio-chip strong{font-family:var(--serif);font-size:1.35rem;white-space:nowrap}
.precio-nota{width:100%;font-size:.8rem;color:rgba(255,255,255,.75)}

.precio-chip small{display:block;font-size:.72rem;color:rgba(255,255,255,.72);margin-top:3px;white-space:nowrap}
.precio-chip small b{font-weight:600;color:#fff}

/* Portada: fotos completas en un marco; libros y Humbo debajo, nunca sobre las caras */
.escena{position:relative;max-width:560px;width:100%;margin:0 auto;padding-bottom:118px}
.escena::before{content:"";position:absolute;left:7%;right:-3%;top:-14px;aspect-ratio:1248/848;border-radius:30px;border:2px dashed rgba(255,199,44,.55);transform:rotate(3deg)}
.marco-fotos{position:relative;aspect-ratio:1248/848;border-radius:28px;overflow:hidden;border:6px solid #fff;background:#dfe9f3;box-shadow:0 40px 70px -30px rgba(0,0,0,.6);transform:rotate(-1.5deg)}
.marco-fotos figure{position:absolute;inset:0;margin:0;opacity:0;transform:scale(1.04);transition:opacity 1s var(--suave),transform 6s linear}
.marco-fotos figure.activa{opacity:1;transform:scale(1)}
.marco-fotos img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.marco-fotos figcaption{position:absolute;left:12px;top:12px;background:#fff;color:var(--azul-hondo);font-weight:600;font-size:.78rem;padding:7px 13px;border-radius:999px;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);white-space:nowrap}
.marco-fotos figcaption b{color:var(--rosa)}
.puntos{position:relative;display:flex;justify-content:center;gap:8px;margin-top:18px;z-index:5}
.puntos button{width:9px;height:9px;border-radius:999px;background:rgba(255,255,255,.4);transition:width .3s,background .3s}
.puntos button[aria-current="true"]{width:26px;background:var(--amarillo)}
.humbo-portada{position:absolute;left:-2%;bottom:0;width:26%;max-width:150px;z-index:4;transform-origin:50% 100%;animation:saluda 4.5s ease-in-out infinite;filter:drop-shadow(0 16px 18px rgba(0,0,0,.35));cursor:pointer}
.humbo-portada.salta{animation:salto .8s var(--suave)}
.libros-portada{position:absolute;right:0;bottom:4px;width:44%;height:150px;z-index:3}
.libros-portada .libro{position:absolute;width:46%;bottom:0}
.libros-portada .libro:nth-child(1){right:44%;transform:rotate(-10deg);bottom:4%}
.libros-portada .libro:nth-child(2){right:24%;transform:rotate(-2deg);z-index:2}
.libros-portada .libro:nth-child(3){right:2%;transform:rotate(8deg);bottom:6%}
@keyframes girar{to{transform:rotate(360deg)}}
@keyframes saluda{0%,100%{transform:rotate(0)}10%{transform:rotate(-6deg)}20%{transform:rotate(5deg)}30%{transform:rotate(-4deg)}40%{transform:rotate(0)}70%{transform:translateY(0)}78%{transform:translateY(-14px)}86%{transform:translateY(0)}}
@keyframes salto{0%{transform:translateY(0) scale(1)}35%{transform:translateY(-38px) scale(1.04,0.97)}60%{transform:translateY(0) scale(1.05,.94)}80%{transform:translateY(-8px)}100%{transform:none}}
@keyframes flota{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ── Libro con tapa real ── */
.libro{position:relative;aspect-ratio:509/720;border-radius:4px 10px 10px 4px;background:#fff;transition:transform .5s var(--suave),box-shadow .5s;transform-style:preserve-3d;
  box-shadow:2px 2px 0 -1px #f4f1ea,4px 4px 0 -1px #e2ddd2,6px 6px 0 -1px #f4f1ea,8px 9px 0 -1px #d6d0c3,0 26px 36px -16px rgba(0,0,0,.5)}
.libro img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.libro::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(115deg,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 35%,rgba(0,0,0,.08) 100%);pointer-events:none}
/* anillado wire-o: anillos plateados en el borde izquierdo */
.libro.wire-o{padding-left:0}
.libro.wire-o::before{content:"";position:absolute;left:-4%;top:3%;bottom:3%;width:9%;z-index:2;
  background:repeating-linear-gradient(180deg,transparent 0 3.2%,#9aa5b1 3.2% 3.8%,#eef2f6 3.8% 4.4%,#7c8794 4.4% 5.2%,transparent 5.2% 6.4%);
  filter:drop-shadow(1px 1px 0 rgba(0,0,0,.25))}
/* empastado: lomo con relieve */
.libro.empastado{border-radius:3px 8px 8px 3px}
.libro.empastado::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7%;z-index:2;border-radius:3px 0 0 3px;
  background:linear-gradient(90deg,rgba(0,0,0,.35),rgba(255,255,255,.25) 45%,rgba(0,0,0,.15) 70%,transparent)}
.libro.maqueta{display:flex;flex-direction:column;justify-content:flex-end;padding:12% 10% 10% 16%;background:var(--c,var(--azul));color:#fff;container-type:inline-size}
.libro.maqueta .area{font-weight:700;font-size:9cqw;letter-spacing:.04em;text-transform:uppercase;line-height:1.15}
.libro.maqueta .grado{font-family:var(--serif);font-weight:700;font-size:30cqw;line-height:.9}
.libro.maqueta .en-diseno{position:absolute;top:8%;right:8%;background:rgba(255,255,255,.92);color:var(--azul-hondo);font-size:6.5cqw;font-weight:700;border-radius:999px;padding:2cqw 4cqw}

/* ── Beneficios ── */
.beneficios{background:var(--crema);border-bottom:1px solid var(--borde)}
.beneficios .contenedor{display:grid;gap:14px;padding-top:28px;padding-bottom:28px}
.beneficio{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--borde);border-radius:18px;padding:18px;transition:transform .3s var(--suave),box-shadow .3s}
.beneficio:hover{transform:translateY(-4px);box-shadow:0 18px 30px -20px rgba(3,43,92,.4)}
.beneficio .icono{flex:none;width:52px;height:52px;border-radius:16px;display:grid;place-items:center}
.beneficio h3{font-size:1rem;font-weight:600;line-height:1.3}
.beneficio p{font-size:.86rem;color:var(--gris)}

/* ── Secciones ── */
.seccion{padding:72px 0}
.titulo{max-width:660px;margin-bottom:32px}
.titulo .etiqueta{color:var(--verde-osc)}
.titulo h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.95rem,6vw,3rem);line-height:1.08;letter-spacing:-.02em;margin:10px 0 12px;color:var(--azul-hondo)}
.titulo p{color:var(--gris);font-size:1.02rem}

/* ── El paquete ── */
.pestanas{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 12px;margin-bottom:18px;scrollbar-width:none}
.pestanas::-webkit-scrollbar{display:none}
.pestanas button{flex:none;padding:10px 18px;border-radius:999px;border:1.5px solid var(--borde);font-weight:600;font-size:.9rem;background:#fff;transition:all .2s}
.pestanas button[aria-selected="true"]{background:var(--azul);border-color:var(--azul);color:#fff;box-shadow:0 8px 16px -8px rgba(0,68,138,.7)}
.estante{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 18px;perspective:1200px}
.pieza{display:flex;flex-direction:column;gap:12px}
.pieza .libro{width:82%;margin:0 auto}
.pieza:hover .libro{transform:translateY(-10px) rotateY(-14deg) rotateX(4deg);box-shadow:2px 2px 0 -1px #f4f1ea,4px 4px 0 -1px #e2ddd2,6px 6px 0 -1px #f4f1ea,8px 9px 0 -1px #d6d0c3,0 40px 50px -18px rgba(0,0,0,.55)}
.pieza h3{font-size:.92rem;font-weight:600;line-height:1.3;text-align:center}
.sello-acabado{display:block;width:max-content;margin:4px auto 0;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.sello-acabado.wire-o{background:#EAF2FB;color:var(--azul)}
.sello-acabado.empastado{background:#FFF4D6;color:#8A6200}
.extras{display:grid;gap:12px;margin-top:34px}
.extra{display:flex;gap:14px;align-items:center;background:var(--crema);border:1px solid var(--borde);border-radius:18px;padding:16px}
.extra .icono{flex:none;width:48px;height:48px;border-radius:14px;background:#fff;display:grid;place-items:center}
.extra h4{font-size:.95rem}
.extra p{font-size:.85rem;color:var(--gris)}
.nota-primaria{margin-top:18px;font-size:.85rem;color:var(--gris);background:#FFF9E8;border:1px solid #FBE7AE;border-radius:14px;padding:12px 14px}

/* ── Acabados ── */
.acabados{background:var(--azul-hondo);color:#fff;border-radius:32px;padding:34px 22px;display:grid;gap:22px;position:relative;overflow:hidden}
.acabados h2{font-family:var(--serif);font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.1}
.acabado{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:20px;display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center}
.acabado .libro{width:96px}
.acabado h3{font-size:1.05rem;margin-bottom:4px}
.acabado p{font-size:.86rem;color:rgba(255,255,255,.78)}

/* ── Comprar ── */
.elegir{background:linear-gradient(180deg,var(--crema),#fff)}
.selector{background:#fff;border:1px solid var(--borde);border-radius:28px;padding:20px;box-shadow:0 30px 60px -40px rgba(3,43,92,.35)}
.paso{font-size:.8rem;font-weight:600;color:var(--gris);margin-bottom:10px;letter-spacing:.04em}
.sedes{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:var(--crema);padding:6px;border-radius:999px;margin-bottom:22px}
.sedes button{padding:12px;border-radius:999px;font-weight:600;font-size:.95rem;color:var(--gris);transition:all .25s}
.sedes button[aria-pressed="true"]{background:var(--azul);color:#fff;box-shadow:0 6px 14px -6px rgba(0,68,138,.6)}
.grupo-grados h4{font-size:.78rem;color:var(--gris);font-weight:500;margin:4px 0 8px}
.grados{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.grados button{min-width:64px;padding:10px 14px;border-radius:14px;border:1.5px solid var(--borde);font-weight:600;font-size:.9rem;background:#fff;transition:all .2s}
.grados button:hover{border-color:var(--celeste)}
.grados button[aria-pressed="true"]{border-color:var(--azul);background:#EAF2FB;color:var(--azul)}
.resultado{margin-top:14px;border-radius:22px;background:var(--azul-hondo);color:#fff;padding:22px;display:grid;gap:20px;position:relative;overflow:hidden}
.resultado::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(1,172,223,.35),transparent 70%)}
.resultado h3{font-family:var(--serif);font-size:1.6rem;font-weight:700;line-height:1.1}
.resultado .sub{font-size:.85rem;color:rgba(255,255,255,.72)}
.mini-tapas{display:flex;margin:14px 0 4px;padding-left:10px}
.mini-tapas img{width:46px;aspect-ratio:509/720;object-fit:cover;border-radius:3px;margin-left:-10px;border:2px solid #fff;box-shadow:0 6px 10px -4px rgba(0,0,0,.4);transition:transform .3s var(--suave)}
.mini-tapas img:hover{transform:translateY(-6px) rotate(-3deg)}
.incluye{list-style:none;display:grid;gap:8px;font-size:.9rem}
.incluye li{display:flex;gap:10px;align-items:flex-start}
.incluye li::before{content:"";flex:none;width:18px;height:18px;margin-top:2px;border-radius:50%;background:var(--verde) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%23032B5C' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.caja-precio{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:18px;position:relative;z-index:1;align-self:start}
.caja-precio .preventa{font-size:.76rem;font-weight:600;color:var(--amarillo);letter-spacing:.1em;text-transform:uppercase}
.caja-precio .monto{font-family:var(--serif);font-size:2.8rem;font-weight:700;line-height:1;margin:6px 0}
.caja-precio .luego{font-size:.85rem;color:rgba(255,255,255,.75)}
.caja-precio .luego s{color:rgba(255,255,255,.55)}
.caja-precio .btn{width:100%;margin-top:16px}
.nota-pago{font-size:.78rem;color:rgba(255,255,255,.68);margin-top:10px;text-align:center}

/* ── Tienda física ── */
.tienda-fisica{display:grid;gap:20px;background:#fff;border:1px solid var(--borde);border-radius:30px;padding:26px 22px;box-shadow:0 30px 60px -45px rgba(3,43,92,.4);position:relative;overflow:hidden}
.tienda-fisica::before{content:"";position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:var(--amarillo);opacity:.18}
.dato{display:flex;gap:12px;align-items:flex-start;font-size:.95rem}
.dato svg{flex:none;margin-top:2px}
.tienda-fisica .fotos{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tienda-fisica .fotos img{border-radius:18px;aspect-ratio:4/3;object-fit:cover}

/* ── Mis libros ── */
.mis-libros{background:linear-gradient(135deg,#EAF6FD,#F7FBEA);border-radius:32px;padding:30px 22px 0;display:grid;gap:24px;overflow:hidden}
.telefono{width:230px;margin:0 auto;background:#111;border-radius:34px;padding:10px 10px 0;box-shadow:0 30px 50px -25px rgba(0,0,0,.5);transform:translateY(20px)}
.pantalla{background:#fff;border-radius:26px 26px 0 0;padding:14px 12px 18px;min-height:300px}
.pantalla .barra{font-size:.64rem;font-weight:700;color:var(--azul-hondo);margin-bottom:10px;display:flex;justify-content:space-between}
.pantalla .rejilla{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.pantalla .rejilla img{border-radius:3px;aspect-ratio:509/720;object-fit:cover;box-shadow:0 4px 8px -4px rgba(0,0,0,.4)}

/* ── Uniformes ── */
.tarjeta-uniformes{border-radius:30px;background:var(--verde);color:var(--azul-hondo);padding:30px 24px 0;display:grid;gap:10px;overflow:hidden}
.tarjeta-uniformes .etiqueta{background:var(--azul-hondo);color:#fff;padding:6px 12px;border-radius:999px;width:max-content;letter-spacing:.1em}
.tarjeta-uniformes h2{font-family:var(--serif);font-size:clamp(2rem,6vw,2.8rem);line-height:1.05;letter-spacing:-.02em;margin-top:14px}
.tarjeta-uniformes p{max-width:36ch;font-weight:500}
.tarjeta-uniformes img{width:190px;margin:8px auto 0;animation:flota 5s ease-in-out infinite;filter:drop-shadow(0 16px 16px rgba(0,0,0,.2))}

/* ── Preguntas ── */
.faq{display:grid;gap:10px;max-width:820px}
.faq details{border:1px solid var(--borde);border-radius:18px;background:#fff;padding:0 20px;transition:box-shadow .3s}
.faq details[open]{box-shadow:0 18px 30px -24px rgba(3,43,92,.45)}
.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--azul);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 18px;color:var(--gris);font-size:.94rem}

/* ── Pie ── */
.pie{background:var(--azul-hondo);color:rgba(255,255,255,.78);padding:56px 0 110px;font-size:.88rem}
.pie .contenedor{display:grid;gap:30px}
.pie .marca-texto b{color:#fff}.pie .marca-texto small{color:rgba(255,255,255,.65)}
.pie .marca-icono{background:var(--amarillo)}
.logo-blanco{background:#fff;border-radius:14px;padding:10px 14px;width:max-content}
.logo-blanco img{height:28px;width:auto}
.pie h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;font-weight:600}
.pie ul{list-style:none;display:grid;gap:8px}
.pie a:hover{color:#fff}
.redes{display:flex;gap:10px}
.redes a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;transition:background .2s,transform .2s}
.redes a:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.pagos{display:flex;gap:8px}
.pagos .logo-yape{display:grid;place-items:center;width:64px;height:64px;border-radius:16px;background:#742284;box-shadow:0 8px 18px -10px rgba(0,0,0,.5)}
.pagos .logo-yape img{width:38px;height:auto}
.legal{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.76rem;color:rgba(255,255,255,.55)}

/* ── WhatsApp flotante + burbuja de Humbo ── */
.wa-zona{position:fixed;right:16px;bottom:16px;z-index:50;display:flex;align-items:flex-end;gap:10px}
.wa-burbuja{display:flex;align-items:flex-end;gap:6px;max-width:260px;opacity:0;transform:translateY(12px) scale(.95);transition:opacity .5s var(--suave),transform .5s var(--suave);pointer-events:none}
.wa-burbuja.visible{opacity:1;transform:none;pointer-events:auto}
.wa-burbuja img{width:50px;flex:none;animation:flota 3.5s ease-in-out infinite}
.wa-burbuja a{display:block;background:#fff;color:var(--tinta);font-size:.82rem;line-height:1.35;padding:11px 13px;border-radius:16px 16px 4px 16px;box-shadow:0 14px 30px -12px rgba(0,0,0,.4);border:1px solid var(--borde)}
.wa-burbuja a b{color:var(--azul)}
.wa-cerrar{position:absolute;top:-8px;right:-6px;width:22px;height:22px;border-radius:50%;background:var(--azul-hondo);color:#fff;font-size:.8rem;line-height:22px;text-align:center}
.wa-boton{position:relative;flex:none;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 12px 26px -8px rgba(0,0,0,.45);transition:transform .25s var(--suave)}
.wa-boton:hover{transform:scale(1.08)}
.wa-boton::before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--wa);animation:pulso 2.4s ease-out infinite;z-index:-1}
@keyframes pulso{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.6);opacity:0}}

/* ── Compra (ventana) ── */
.compra{position:fixed;inset:0;z-index:80;display:none;align-items:flex-end;justify-content:center;background:rgba(3,22,48,.55);backdrop-filter:blur(4px)}
.compra.abierta{display:flex}
.compra-caja{background:#fff;width:100%;max-width:560px;max-height:94vh;overflow:auto;border-radius:26px 26px 0 0;padding:22px 20px 26px;animation:sube .45s var(--suave)}
@keyframes sube{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.compra-cab{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.compra-cab h2{font-family:var(--serif);font-size:1.5rem;color:var(--azul-hondo)}
.compra-cerrar{width:38px;height:38px;border-radius:50%;background:var(--crema);font-size:1.3rem}
.pasos{display:flex;gap:6px;margin:6px 0 18px}
.pasos span{flex:1;height:5px;border-radius:999px;background:var(--borde)}
.pasos span.hecho{background:var(--verde)}
.pasos span.actual{background:var(--azul)}
.resumen-pedido{background:var(--crema);border-radius:16px;padding:14px 16px;font-size:.88rem;margin-bottom:16px;display:flex;justify-content:space-between;gap:12px;align-items:center}
.resumen-pedido b{font-family:var(--serif);font-size:1.4rem;color:var(--azul-hondo);white-space:nowrap}
.campo{display:grid;gap:6px;margin-bottom:14px}
.campo label{font-size:.84rem;font-weight:600}
.campo input,.campo select{width:100%;border:1.5px solid var(--borde);border-radius:14px;padding:13px 14px;font-size:1rem;background:#fff;transition:border-color .2s}
.campo input:focus{outline:none;border-color:var(--azul)}
.campo small{font-size:.76rem;color:var(--gris)}
.campo.error input{border-color:#D93025}
.campo .msj-error{color:#D93025;font-size:.76rem;display:none}
.campo.error .msj-error{display:block}
.casilla{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--gris);margin:6px 0 16px}
.casilla input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--azul)}
.casilla a{color:var(--azul);text-decoration:underline}
.compra .btn{width:100%}
.n-pedido{display:flex;align-items:center;justify-content:center;gap:10px;background:#EAF2FB;color:var(--azul-hondo);border-radius:16px;padding:12px;font-weight:700;font-size:1.15rem;letter-spacing:.04em;margin-bottom:14px}
.yape{background:#742284;color:#fff;border-radius:22px;padding:18px;text-align:center}
.yape img{width:min(240px,70%);margin:0 auto 10px;border-radius:14px}
.yape .yape-cab{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px;text-align:left;font-size:.86rem;font-weight:600;line-height:1.25}
.yape img.logo-yape-pago{width:40px;height:auto;margin:0;border-radius:0}
.yape .numero{font-size:1.5rem;font-weight:700;letter-spacing:.04em}
.yape .titular{font-size:.84rem;opacity:.9}
.yape .monto-yape{display:inline-block;background:#fff;color:#742284;border-radius:999px;padding:6px 16px;font-weight:700;margin:10px 0 4px;font-size:1.05rem}
.botones-fila{display:flex;gap:8px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.botones-fila button,.botones-fila a{background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 14px;font-size:.82rem;font-weight:600}
.indicacion{display:flex;gap:10px;background:#FFF9E8;border:1px solid #FBE7AE;border-radius:14px;padding:12px 14px;font-size:.88rem;margin:14px 0}
.subir{display:grid;place-items:center;text-align:center;gap:6px;border:2px dashed #b9c6d8;border-radius:18px;padding:22px;cursor:pointer;transition:border-color .2s,background .2s;margin-bottom:14px}
.subir:hover{border-color:var(--azul);background:#F5F9FE}
.subir img{max-height:220px;width:auto;border-radius:10px}
.listo{text-align:center;display:grid;gap:12px;justify-items:center}
.listo .check{width:76px;height:76px;border-radius:50%;background:var(--verde);display:grid;place-items:center;animation:salto .8s var(--suave)}
.listo h3{font-family:var(--serif);font-size:1.6rem;color:var(--azul-hondo)}
.demo-aviso{font-size:.74rem;color:#9A5B00;background:#FFF4D6;border-radius:10px;padding:8px 10px;margin-top:12px;text-align:center}

.borrador{position:fixed;left:12px;bottom:12px;z-index:60;background:var(--rosa);color:#fff;font-size:.7rem;font-weight:700;padding:6px 10px;border-radius:8px;letter-spacing:.06em}

/* ── Escritorio ── */
@media (min-width:600px){
  .compra{align-items:center}
  .compra-caja{border-radius:26px}
}
@media (min-width:760px){
  .beneficios .contenedor{grid-template-columns:repeat(3,1fr)}
  .estante{grid-template-columns:repeat(4,1fr);gap:34px 22px}
  .extras{grid-template-columns:repeat(3,1fr)}
  .acabados{grid-template-columns:1fr 1fr 1fr;align-items:center;padding:44px}
  .resultado{grid-template-columns:1.3fr 1fr;padding:30px}
  .selector{padding:30px}
  .tienda-fisica{grid-template-columns:1.1fr 1fr;align-items:center;padding:40px}
  .mis-libros{grid-template-columns:1.2fr 1fr;align-items:end;padding:44px 48px 0}
  .tarjeta-uniformes{grid-template-columns:1.4fr 1fr;align-items:center;padding:44px 48px 0}
  .tarjeta-uniformes img{width:240px;align-self:end;margin:0}
  .pie .contenedor{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .pie .legal{grid-column:1/-1}
  .marca-pkes{display:block}
}
@media (min-width:980px){
  .menu{display:flex}
  .portada .contenedor{grid-template-columns:1.02fr 1fr;align-items:center;padding-top:64px;padding-bottom:90px}
  .escena{max-width:none}
  .elegir .contenedor{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
  .seccion{padding:96px 0}
  .estante{grid-template-columns:repeat(5,1fr)}
}
@media (max-width:420px){
  .marca-texto small{display:none}
  .acciones .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .revelar{opacity:1;transform:none}
}