/* ---------- Tokens ---------- */
:root{
  --papel:#ECEEE9;
  --superficie:#F8F9F6;
  --tinta:#172024;
  --pizarra:#55646B;
  --linea:rgba(23,32,36,.16);
  --caoba:#34171A;
  --caoba-prof:#1F0E10;
  --bronce:#B8925A;
  --bronce-claro:#DDC494;
  --bronce-texto:#7A5A2B;
  --sobre-oscuro:#F1EDE4;
  --sobre-oscuro-suave:rgba(241,237,228,.74);
  --error:#9C2B2B;

  --sans:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --display:var(--sans);
  --serif:var(--sans);

  --wa:#25D366;
  --wa-hover:#1EBE5A;
  --wa-texto:#06301A;

  --ancho:1180px;
  --margen:clamp(20px,5vw,56px);
  --alto-header:68px;

  --img-hero:url("../img/hero.jpg");
  --img-contacto:url("../img/contacto.jpg");

  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --papel:#11181A;
    --superficie:#192225;
    --tinta:#E7EAE5;
    --pizarra:#9DAAAE;
    --linea:rgba(231,234,229,.16);
    --bronce-texto:#D2B27C;
    --error:#F08B8B;
  }
}
:root[data-theme="dark"]{
  --papel:#11181A;
  --superficie:#192225;
  --tinta:#E7EAE5;
  --pizarra:#9DAAAE;
  --linea:rgba(231,234,229,.16);
  --bronce-texto:#D2B27C;
  --error:#F08B8B;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--alto-header) + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--papel);color:var(--tinta);
  font-family:var(--sans);font-size:1.0625rem;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--bronce);outline-offset:3px;border-radius:2px}
.contenedor{width:100%;max-width:var(--ancho);margin-inline:auto;padding-inline:var(--margen)}
.solo-lectores{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.saltar{position:absolute;left:12px;top:-60px;z-index:100;background:var(--bronce);color:#1b1206;padding:10px 16px;border-radius:4px;text-decoration:none}
.saltar:focus{top:calc(12px + env(safe-area-inset-top,0px))}

.titulo-seccion{
  font-family:var(--display);font-weight:600;
  font-size:clamp(1.8rem,4vw,2.75rem);line-height:1.14;letter-spacing:-.022em;
  max-width:20ch;
}
.bajada{color:var(--pizarra);max-width:56ch;margin-top:18px}

/* ---------- Botones ---------- */
.boton{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:12px 24px;border-radius:3px;border:1px solid transparent;
  font-weight:600;font-size:1rem;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.boton svg{width:20px;height:20px;flex:none}
.boton--wa{background:var(--wa);color:var(--wa-texto)}
.boton--wa:hover{background:var(--wa-hover)}
.boton--linea{border-color:rgba(241,237,228,.5);color:var(--sobre-oscuro)}
.boton--linea:hover{border-color:var(--sobre-oscuro);background:rgba(241,237,228,.08)}
.boton--tinta{background:var(--tinta);color:var(--papel)}
.boton--tinta:hover{background:var(--bronce);color:#1b1206}

/* ---------- Encabezado ---------- */
.encabezado{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding-top:env(safe-area-inset-top,0px);
  color:var(--sobre-oscuro);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.encabezado.es-solido,.encabezado.menu-abierto{background:var(--caoba-prof);box-shadow:0 1px 0 rgba(221,196,148,.22)}
.encabezado__fila{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--alto-header)}
.marca{display:flex;align-items:baseline;gap:10px;text-decoration:none;font-family:var(--display);font-weight:600;font-size:1.3rem;letter-spacing:-.02em;line-height:1;white-space:nowrap}
.marca small{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0;font-size:.82rem;color:var(--bronce-claro)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;font-size:.97rem;font-weight:500;padding:8px 0;border-bottom:1px solid transparent}
.nav a:hover{border-bottom-color:var(--bronce-claro)}
.encabezado__acciones{display:flex;align-items:center;gap:10px}
.encabezado .boton{min-height:42px;padding:8px 16px;font-size:.94rem}
.menu-boton{display:none;width:44px;height:44px;border:1px solid rgba(241,237,228,.35);border-radius:3px;background:transparent;cursor:pointer;align-items:center;justify-content:center}
.menu-boton span,.menu-boton span::before,.menu-boton span::after{display:block;width:18px;height:1.5px;background:var(--sobre-oscuro);position:relative;content:""}
.menu-boton span::before{position:absolute;top:-6px}
.menu-boton span::after{position:absolute;top:6px}

@media (max-width:900px){
  .menu-boton{display:inline-flex}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--caoba-prof);padding:6px var(--margen) 18px;
    border-top:1px solid rgba(221,196,148,.22);
  }
  .menu-abierto .nav{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid rgba(241,237,228,.12);font-size:1.05rem}
  .marca small{display:none}
}
@media (max-width:420px){
  .encabezado .boton span{display:none}
  .encabezado .boton{padding:8px 12px}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--sobre-oscuro);
  min-height:min(100svh,900px);
  display:flex;align-items:flex-end;
  background:
    linear-gradient(90deg,rgba(24,11,13,.93) 0%,rgba(24,11,13,.72) 42%,rgba(24,11,13,.28) 100%),
    linear-gradient(0deg,rgba(24,11,13,.7) 0%,rgba(24,11,13,0) 45%),
    var(--img-hero) 62% center/cover no-repeat,
    var(--caoba-prof);
  margin-top:calc(-1 * env(safe-area-inset-top,0px));
  padding-top:calc(var(--alto-header) + env(safe-area-inset-top,0px) + 40px);
  padding-bottom:clamp(48px,9vh,96px);
}
.hero h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(2.2rem,6vw,4.4rem);line-height:1.08;letter-spacing:-.03em;
  max-width:14ch;
}
.hero__texto{font-weight:300;margin-top:24px;max-width:60ch;font-size:clamp(1rem,1.35vw,1.1rem);color:var(--sobre-oscuro-suave)}
.hero__texto p + p{margin-top:12px}
.hero__acciones{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero h1,.hero__texto,.hero__acciones{animation:entrar .9s cubic-bezier(.2,.7,.2,1) both}
.hero__texto{animation-delay:.12s}
.hero__acciones{animation-delay:.24s}
@keyframes entrar{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* Banda de bronce: toma la virola del martillo */
.banda{
  background:linear-gradient(180deg,#CFAE74 0%,#B8925A 45%,#9C7842 100%);
  color:#1b1206;
}
.banda__fila{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 28px;padding-block:16px}
.banda p{font-family:var(--serif);font-weight:500;font-size:1.08rem}
.banda a{font-weight:600;font-size:1.12rem;text-underline-offset:4px}

/* ---------- Áreas ---------- */
.areas{padding-block:clamp(72px,11vw,136px)}
.areas__cabecera{margin-bottom:clamp(36px,5vw,60px)}
.indice{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);column-gap:clamp(32px,6vw,88px);align-items:start}
.indice__boton{
  grid-column:1;grid-row:var(--i);
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;width:100%;
  background:none;border:0;border-bottom:1px solid var(--linea);
  padding:15px 0 15px 18px;text-align:left;cursor:pointer;position:relative;
  font-family:var(--display);font-weight:500;font-size:clamp(1.25rem,2vw,1.55rem);letter-spacing:-.015em;line-height:1.2;
  color:var(--pizarra);transition:color .18s ease;
}
.indice__boton::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--bronce);transform:scaleY(0);transform-origin:center;transition:transform .22s ease}
.indice__boton:hover{color:var(--tinta)}
.indice__boton[aria-expanded="true"]{color:var(--tinta);font-weight:600}
.indice__boton[aria-expanded="true"]::before{transform:scaleY(1)}
.indice__boton em{font-family:var(--serif);font-weight:400;letter-spacing:0;font-size:.85rem;color:var(--bronce-texto);white-space:nowrap}
.indice__panel{
  grid-column:2;grid-row:1 / span 10;
  background:var(--superficie);border-top:6px solid var(--bronce);
  padding:clamp(26px,3.4vw,44px);
  position:sticky;top:calc(var(--alto-header) + env(safe-area-inset-top,0px) + 24px);
}
.indice__panel[hidden]{display:none}
.indice__panel:not([hidden]){animation:panel .28s ease both}
@keyframes panel{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.indice__panel h3{font-family:var(--display);font-weight:600;font-size:clamp(1.5rem,2.4vw,1.95rem);letter-spacing:-.02em;line-height:1.15}
.indice__panel p{margin-top:14px;color:var(--pizarra);max-width:52ch}
.asuntos{margin-top:22px;border-top:1px solid var(--linea)}
.asuntos li{padding:11px 0;border-bottom:1px solid var(--linea);font-weight:500}
.indice__panel .boton{margin-top:28px}

@media (max-width:860px){
  .indice{display:block}
  .indice__boton{padding-right:34px}
  .indice__boton::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--sans);font-size:1.4rem;color:var(--bronce-texto)}
  .indice__boton[aria-expanded="true"]::after{content:"–"}
  .indice__panel{position:static;margin:0 0 10px;border-top-width:4px}
}

/* ---------- Quiénes somos ---------- */
.estudio{background:var(--caoba);color:var(--sobre-oscuro);padding-block:clamp(72px,11vw,136px)}
.estudio__grilla{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,6vw,88px);align-items:center}
.estudio__logo{display:block;width:100%;height:auto;border:1px solid rgba(221,196,148,.45);box-shadow:0 24px 60px rgba(10,4,5,.45)}
.estudio__frase{font-family:var(--serif);font-weight:300;font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.4;color:var(--sobre-oscuro);margin-top:22px;max-width:28ch}
.estudio__texto p:not(.estudio__frase){color:var(--sobre-oscuro-suave);max-width:48ch;margin-top:16px}
.equipo{margin-top:clamp(48px,7vw,88px);border-top:1px solid rgba(241,237,228,.22);padding-top:28px}
.equipo h3{font-family:var(--serif);font-style:italic;font-weight:400;font-size:1.02rem;color:var(--bronce-claro)}
.equipo__lista{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(28px,6vw,88px);margin-top:10px}
.equipo__lista li{font-family:var(--display);font-weight:500;font-size:clamp(1.25rem,2.3vw,1.7rem);letter-spacing:-.018em;line-height:1.25;padding:16px 0;border-bottom:1px solid rgba(241,237,228,.14)}
.equipo__rol{display:block;font-size:.95rem;font-weight:400;letter-spacing:0;color:var(--bronce-claro);margin-top:2px}
.equipo__nota{margin-top:24px;color:var(--sobre-oscuro-suave);max-width:60ch}
@media (max-width:860px){.estudio__grilla{grid-template-columns:1fr}.estudio__logo{max-width:460px}}
@media (max-width:640px){.equipo__lista{grid-template-columns:1fr}}

/* ---------- Sedes ---------- */
.sedes{padding-block:clamp(72px,11vw,136px)}
.sedes__grilla{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,56px);margin-top:clamp(36px,5vw,60px)}
.sede{border-top:1px solid var(--tinta);padding-top:22px}
.sede__tipo{font-family:var(--serif);font-style:italic;color:var(--bronce-texto);font-size:.92rem}
.sede h3{font-family:var(--display);font-weight:600;font-size:clamp(1.5rem,2.4vw,1.9rem);letter-spacing:-.02em;line-height:1.15;margin-top:6px}
.sede address{font-style:normal;margin-top:12px;color:var(--pizarra)}
.sede a{display:inline-block;margin-top:18px;font-weight:600;text-underline-offset:5px;text-decoration-color:var(--bronce)}
.sede a:hover{color:var(--bronce-texto)}
@media (max-width:700px){.sedes__grilla{grid-template-columns:1fr}}

/* ---------- Contacto ---------- */
.contacto{
  color:var(--sobre-oscuro);
  background:
    linear-gradient(100deg,rgba(24,11,13,.9) 0%,rgba(31,14,16,.72) 55%,rgba(31,14,16,.5) 100%),
    var(--img-contacto) center/cover no-repeat,
    var(--caoba-prof);
  padding-block:clamp(72px,11vw,136px);
}
.contacto__grilla{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,6vw,88px);align-items:start}
.contacto .bajada{color:var(--sobre-oscuro-suave)}
.datos{margin-top:36px;border-top:1px solid rgba(241,237,228,.2)}
.datos li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 20px;padding:15px 0;border-bottom:1px solid rgba(241,237,228,.2)}
.datos span{color:var(--sobre-oscuro-suave)}
.datos a{font-weight:500;text-decoration-color:var(--bronce);text-underline-offset:5px;overflow-wrap:anywhere}
.datos a:hover{color:var(--bronce-claro)}

.formulario{background:var(--superficie);color:var(--tinta);padding:clamp(24px,3.6vw,44px);border-top:6px solid var(--bronce)}
.formulario h3{font-family:var(--display);font-weight:600;font-size:1.5rem;letter-spacing:-.02em;line-height:1.2}
.formulario > p{color:var(--pizarra);margin-top:8px;font-size:.98rem}
.campos{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.campo{display:flex;flex-direction:column;gap:7px}
.campo--ancho{grid-column:1 / -1}
.campo label{font-weight:600;font-size:.95rem}
.campo label i{font-style:normal;font-weight:400;color:var(--pizarra)}
.campo input,.campo select,.campo textarea{
  width:100%;min-height:50px;padding:12px 14px;
  background:var(--papel);border:1px solid var(--linea);border-radius:3px;
  font-size:1rem;
}
.campo textarea{min-height:128px;resize:vertical;line-height:1.5}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:2px solid var(--bronce);outline-offset:1px;border-color:var(--bronce)}
.campo [aria-invalid="true"]{border-color:var(--error)}
.campo__error{color:var(--error);font-size:.9rem;min-height:0}
.vista{margin-top:22px;border-left:3px solid var(--bronce);padding:4px 0 4px 16px}
.vista b{display:block;font-size:.9rem;font-weight:600;color:var(--pizarra)}
.vista p{margin-top:6px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.97rem}
.formulario .boton{width:100%;margin-top:24px}
.estado{margin-top:14px;font-size:.96rem;color:var(--pizarra)}
.estado a{font-weight:600;color:var(--tinta)}
@media (max-width:900px){.contacto__grilla{grid-template-columns:1fr}}
@media (max-width:520px){.campos{grid-template-columns:1fr}}

/* ---------- Pie ---------- */
.pie{background:var(--caoba-prof);color:var(--sobre-oscuro-suave);padding-block:44px 96px;font-size:.95rem}
.pie__fila{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px 48px}
.pie .marca{color:var(--sobre-oscuro);font-size:1.45rem}
.pie p{margin-top:10px;max-width:44ch}
.pie ul li{padding:3px 0}
.pie a{text-decoration-color:rgba(221,196,148,.5);text-underline-offset:4px}
.pie a:hover{color:var(--bronce-claro)}
.pie__legal{margin-top:36px;padding-top:20px;border-top:1px solid rgba(241,237,228,.14);font-size:.88rem}

/* ---------- WhatsApp flotante ---------- */
.flotante{
  position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:0;z-index:40;
  margin-bottom:16px;padding-bottom:env(safe-area-inset-bottom,0px);
}
.flotante a{
  display:inline-flex;align-items:center;gap:10px;min-height:54px;padding:12px 20px;
  background:var(--wa);color:var(--wa-texto);border-radius:999px;text-decoration:none;font-weight:600;
  box-shadow:0 10px 28px rgba(20,10,11,.38);transition:background-color .18s ease,transform .18s ease;
}
.flotante a:hover{background:var(--wa-hover);transform:translateY(-2px)}
.flotante svg{width:24px;height:24px}
@media (max-width:520px){.flotante span{display:none}.flotante a{padding:15px;min-height:0}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
}