/* ============================================================
   La Botica China — demo de renovación (heaptech)
   Estático: HTML + CSS + un script propio. Sin frameworks.
   Paleta 60-30-10 tomada de la identidad original:
   60 papel cálido · 30 tinta petrol (del gris carbón #313333)
   10 cian de marca (#00A6D4 → #007799 para AA) + sello vermellón
   ============================================================ */
:root{
  --papel:#F7F5F0;
  --papel-2:#EFEAE1;
  --aqua:#E3F0F4;
  --tinta:#1C2B2E;
  --tinta-2:#0E2226;
  --cian:#007799;
  --cian-link:#00688A;
  --cian-suave:#7BD2EA;
  --sello:#B3241D;
  --sombra:0 10px 30px rgba(14,34,38,.10);
  --radio:14px;
  --f-display:"Marcellus",Georgia,serif;
  --f-texto:"Source Sans 3","Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-texto);
  font-size:1.0625rem;
  line-height:1.65;
  color:var(--tinta);
  background:var(--papel);
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cian-link)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--sello);
  outline-offset:2px;
  border-radius:2px;
}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.12;margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:1120px;margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}
.banda{width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* --- sello (ancla de marca) --- */
.sello{width:2.6rem;height:2.6rem;flex:none}

/* --- skip link --- */
.salto{position:absolute;left:-999px;top:0;background:var(--tinta);color:#fff;padding:.6rem 1rem;z-index:100}
.salto:focus{left:.5rem;top:.5rem}

/* --- cabecera --- */
.cabecera{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid rgba(28,43,46,.12);
  backdrop-filter:blur(6px);
}
.cabecera-inner{display:flex;align-items:center;gap:1rem;min-height:4.25rem}
.marca{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--tinta)}
.marca-nombre{font-family:var(--f-display);font-size:1.25rem;line-height:1.05;letter-spacing:.01em}
.marca-nombre small{display:block;font-family:var(--f-texto);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cian-link)}
.navegacion{margin-left:auto}
.navegacion ul{list-style:none;display:flex;gap:.25rem;margin:0;padding:0}
.navegacion a{
  display:block;padding:.65rem .85rem;text-decoration:none;color:var(--tinta);
  font-weight:600;font-size:.95rem;border-radius:8px;
}
.navegacion a[aria-current="page"]{color:var(--cian-link);box-shadow:inset 0 -2px 0 var(--cian)}
.navegacion a:hover{background:var(--papel-2)}
.cabecera-tel{margin-left:.4rem}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:.78rem 1.35rem;min-height:44px;border-radius:999px;
  font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;border:0;
  transition:transform .15s ease, background-color .15s ease;
}
.btn:active{transform:scale(.98)}
.btn-primario{background:var(--cian);color:#fff}
.btn-primario:hover{background:#006481}
.btn-claro{background:#fff;color:var(--tinta);border:2px solid var(--tinta)}
.btn-claro:hover{background:var(--papel-2)}
.btn-fantasma{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.65)}
.btn-fantasma:hover{border-color:#fff}

/* menú móvil */
.btn-menu{
  margin-left:auto;background:none;border:1px solid rgba(28,43,46,.3);border-radius:10px;
  min-width:44px;min-height:44px;display:none;align-items:center;justify-content:center;cursor:pointer;
}
.btn-menu svg{display:block}
@media (max-width:839px){
  .btn-menu{display:inline-flex}
  .cabecera-tel{display:none}
  .navegacion{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--papel);border-bottom:1px solid rgba(28,43,46,.15);
    box-shadow:var(--sombra);margin-left:0;
  }
  .navegacion.abierta{display:block}
  .navegacion ul{flex-direction:column;gap:0;padding:.5rem 0}
  .navegacion a{padding:.95rem clamp(1.25rem,4vw,2.5rem);border-radius:0}
}

/* --- hero --- */
.hero{position:relative;display:grid;color:#fff;isolation:isolate}
.hero img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg, rgba(14,34,38,.88) 0%, rgba(14,34,38,.62) 55%, rgba(14,34,38,.38) 100%);
}
.hero-inner{
  display:flex;flex-direction:column;justify-content:flex-end;
  min-height:min(86svh,760px);
  padding-top:clamp(4rem,10vw,7rem);padding-bottom:clamp(3rem,8vw,5.5rem);
}
.hero h1{
  font-size:clamp(2.3rem,6vw,4.3rem);
  max-width:15ch;
  text-wrap:balance;
}
.hero .claim{
  font-size:clamp(1.1rem,2vw,1.35rem);max-width:44ch;color:#F3FAFC;
}
.hero-acciones{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.4rem}
.hero-nota{margin-top:1.6rem;font-size:.9rem;color:#D7E9EE}
.hero-nota a{color:#fff}

/* --- encabezados de sección --- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cian-link);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:1.4rem;height:2px;background:var(--sello);display:inline-block}
.sobre-oscuro .eyebrow{color:var(--cian-suave)}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
.lede{font-size:clamp(1.08rem,1.8vw,1.3rem);max-width:56ch}

/* --- sellos de confianza --- */
.sellos{display:grid;gap:1rem;grid-template-columns:1fr}
@media (min-width:700px){.sellos{grid-template-columns:repeat(3,1fr)}}
.sello-card{
  background:#fff;border:1px solid rgba(28,43,46,.10);border-radius:var(--radio);
  padding:1.3rem 1.35rem;box-shadow:var(--sombra);
}
.sello-card svg{width:2rem;height:2rem;margin-bottom:.6rem}
.sello-card h3{font-size:1.15rem;margin-bottom:.25rem}
.sello-card p{margin:0;font-size:.98rem}

/* --- protagonista: método (sticky split) --- */
.metodo{background:var(--papel);padding-block:clamp(4rem,9vw,7rem)}
.metodo-grid{display:grid;gap:2.5rem}
@media (min-width:900px){
  .metodo-grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(2.5rem,5vw,5rem)}
  .metodo-lateral{position:sticky;top:6.5rem;align-self:start}
}
.metodo-lateral .contador{
  font-family:var(--f-display);font-size:clamp(3.4rem,7vw,5.4rem);line-height:1;
  color:var(--cian-link);display:block;margin-top:1.2rem;
}
.metodo-lateral .contador small{font-size:.42em;color:rgba(28,43,46,.45)}
.paso{padding-block:1.6rem}
.paso + .paso{border-top:1px solid rgba(28,43,46,.12)}
.paso-num{
  font-family:var(--f-display);font-size:1rem;letter-spacing:.18em;color:var(--sello);
  display:flex;align-items:center;gap:.6rem;margin-bottom:.4rem;
}
.paso-num::after{content:"";flex:1;height:1px;background:rgba(28,43,46,.15)}
.paso h3{font-size:clamp(1.5rem,2.6vw,2rem)}
.paso p{max-width:52ch}
.paso img{border-radius:var(--radio);margin-top:1.2rem;box-shadow:var(--sombra)}

/* --- banda CTA (tinta, a ancho completo) --- */
.sobre-oscuro{background:var(--tinta-2);color:var(--papel)}
.cta-banda{padding-block:clamp(3.2rem,7vw,5rem)}
.cta-banda h2{font-size:clamp(1.9rem,4.5vw,3rem);max-width:18ch}
.cta-banda .lede{color:#D7E9EE}
.cta-fila{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1.6rem}
.cta-tel{
  font-family:var(--f-display);font-size:clamp(1.5rem,3.4vw,2.3rem);
  color:#fff;text-decoration:none;letter-spacing:.01em;
}
.cta-tel:hover{color:var(--cian-suave)}

/* --- collage "en el salón" --- */
.duo{display:grid;gap:1.2rem}
@media (min-width:760px){
  .duo{grid-template-columns:3fr 2fr;align-items:end}
  .duo img:first-child{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radio)}
  .duo img:last-child{aspect-ratio:3/4;object-fit:cover;border-radius:var(--radio);transform:translateY(clamp(-2.5rem,-2vw,0px))}
}
.duo img{border-radius:var(--radio);box-shadow:var(--sombra)}
.aqua-banda{background:var(--aqua);padding-block:clamp(4rem,9vw,7rem)}

/* --- pasos simples (servicios) --- */
.pasos-sencillos{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:1rem}
@media (min-width:760px){.pasos-sencillos{grid-template-columns:repeat(3,1fr)}}
.pasos-sencillos li{
  background:#fff;border:1px solid rgba(28,43,46,.10);border-radius:var(--radio);
  padding:1.4rem;box-shadow:var(--sombra);
}
.pasos-sencillos .n{font-family:var(--f-display);font-size:2rem;color:var(--cian-link);display:block}
.pasos-sencillos h3{font-size:1.2rem;margin:.3rem 0 .4rem}
.pasos-sencillos p{margin:0;font-size:.98rem}

/* --- faq --- */
.faq{margin-top:2.5rem;border-top:1px solid rgba(28,43,46,.14)}
.faq details{border-bottom:1px solid rgba(28,43,46,.14)}
.faq summary{
  cursor:pointer;padding:1.1rem 0;font-weight:700;font-size:1.05rem;list-style:none;
  display:flex;justify-content:space-between;gap:1rem;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--cian-link);flex:none}
.faq details[open] summary::after{content:"–"}
.faq .respuesta{padding-bottom:1.2rem;max-width:62ch}

/* --- contacto --- */
.contacto-grid{display:grid;gap:2.5rem}
@media (min-width:900px){.contacto-grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(2.5rem,6vw,5rem)}}
.dato-contacto{list-style:none;margin:0;padding:0}
.dato-contacto li{display:flex;gap:.9rem;align-items:flex-start;padding:.9rem 0;border-bottom:1px solid rgba(28,43,46,.12)}
.dato-contacto svg{width:1.4rem;height:1.4rem;flex:none;margin-top:.2rem}
.dato-contacto .rotulo{display:block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cian-link)}
.dato-contacto a,.dato-contacto strong{font-size:1.25rem;font-family:var(--f-display);color:var(--tinta);text-decoration:none}
.dato-contacto a:hover{color:var(--cian-link)}
.nota-datos{font-size:.95rem;color:rgba(28,43,46,.75);margin-top:1.2rem}
form{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);padding:clamp(1.3rem,4vw,2.2rem);border:1px solid rgba(28,43,46,.08)}
.campo{margin-bottom:1.1rem}
.campo label{display:block;font-weight:700;font-size:.95rem;margin-bottom:.35rem}
.campo input,.campo textarea{
  width:100%;padding:.8rem .9rem;font:inherit;color:var(--tinta);
  border:1.5px solid rgba(28,43,46,.25);border-radius:10px;background:var(--papel);
}
.campo input:focus-visible,.campo textarea:focus-visible{outline:3px solid var(--sello);outline-offset:1px;border-color:var(--tinta)}
.campo .ayuda{display:block;font-size:.82rem;color:rgba(28,43,46,.65);margin-top:.3rem}
.aviso-ok{
  display:none;margin-top:1rem;padding:.9rem 1.1rem;border-radius:10px;
  background:#E8F3EC;color:#14432A;border:1px solid #BFDCC8;font-weight:600;
}
.aviso-ok.visible{display:block}

/* --- pie --- */
.pie{background:var(--tinta-2);color:var(--papel);padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.pie-grid{display:grid;gap:2.2rem}
@media (min-width:760px){.pie-grid{grid-template-columns:2fr 1fr 1fr}}
.pie .marca{color:var(--papel)}
.pie .marca-nombre small{color:var(--cian-suave)}
.pie h2{font-size:1.05rem;letter-spacing:.16em;text-transform:uppercase;font-family:var(--f-texto);font-weight:700;color:var(--cian-suave)}
.pie ul{list-style:none;margin:0;padding:0}
.pie li{margin-bottom:.5rem}
.pie a{color:var(--papel);text-decoration:none}
.pie a:hover{color:var(--cian-suave)}
.pie-nota{font-size:.92rem;color:#C4D6DB}
.creditos{
  margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid rgba(247,245,240,.18);
  font-size:.82rem;color:#9FB6BC;
}

/* --- barra CTA móvil --- */
.cta-movil{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:flex;gap:.6rem;padding:.6rem .9rem calc(.6rem + env(safe-area-inset-bottom));
  background:rgba(14,34,38,.97);border-top:1px solid rgba(255,255,255,.12);
}
.cta-movil .btn{flex:1;min-height:48px;font-size:.98rem}
@media (min-width:840px){.cta-movil{display:none}}
body{padding-bottom:0}
@media (max-width:839px){body{padding-bottom:4.6rem}}

/* --- reveals --- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:active{transform:none}
}

/* --- utilidades --- */
.centrado{text-align:center}
.mt-0{margin-top:0}
.seccion{padding-block:clamp(4rem,9vw,7rem)}
.seccion-compacta{padding-block:clamp(3rem,6vw,4.5rem)}
.sin-margen{margin-bottom:0}