/* ==========================================================================
   Cembio — sistema visual
   Consultora jurídico-ambiental · Región de Valparaíso
   Desarrollado por MAHCA. Sin dependencias externas ni proceso de build.
   ========================================================================== */

@import url("../fuentes/fuentes.css");

:root{
  --tinta:#0E211A;
  --tinta-2:#16332A;
  --verde:#2C6A4C;
  --verde-suave:#E9EFEA;
  --hueso:#F7F5EF;
  --papel:#FFFFFF;
  --arena:#E3DCCB;
  --texto:#1D2A24;
  --texto-2:#55635B;
  --acento:#A4522F;

  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  --ancho:1180px;
  --ancho-texto:68ch;
  --r:4px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

body{
  margin:0;background:var(--hueso);color:var(--texto);
  font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--acento);outline-offset:3px;border-radius:2px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;letter-spacing:-.015em}
h1,h2{text-wrap:balance}
h1{font-size:clamp(2.3rem,5.6vw,4.2rem);line-height:1.05}
h2{font-size:clamp(1.75rem,3.4vw,2.7rem);line-height:1.14}
h3{font-family:var(--sans);font-weight:600;font-size:1.0625rem;letter-spacing:-.005em;line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

.contenedor{width:min(100% - 2.5rem,var(--ancho));margin-inline:auto}
@media (max-width:640px){.contenedor{width:min(100% - 2rem,var(--ancho))}}

.seccion{padding:clamp(4rem,9vw,7.5rem) 0}
.seccion--papel{background:var(--papel)}
.seccion--tinta{background:var(--tinta);color:var(--hueso)}
.seccion--tinta h1,.seccion--tinta h2{color:#fff}

.epigrafe{
  font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--verde);margin:0 0 1.1rem;display:flex;align-items:center;gap:.7rem;
}
.epigrafe::after{content:"";flex:1;height:1px;background:var(--arena)}
.seccion--tinta .epigrafe{color:#9DC0A9}
.seccion--tinta .epigrafe::after{background:rgba(255,255,255,.16)}

.plomo{font-size:clamp(1.05rem,1.6vw,1.22rem);line-height:1.6;color:var(--texto-2);max-width:var(--ancho-texto)}
.seccion--tinta .plomo{color:#C3D2C8}

/* ------------------------------ cabecera ------------------------------- */
.cabecera{
  position:sticky;top:0;z-index:50;background:rgba(247,245,239,.92);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--arena);
}
.cabecera__fila{display:flex;align-items:center;gap:1.5rem;height:68px}
.marca{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--tinta);flex:0 0 auto}
.marca svg{height:26px;width:auto;color:var(--tinta)}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.6rem}
.nav a{
  text-decoration:none;font-size:.9rem;font-weight:500;color:var(--texto-2);
  padding:.35rem 0;border-bottom:1.5px solid transparent;transition:color .18s,border-color .18s;
}
.nav a:hover{color:var(--tinta);border-color:var(--acento)}
/* los botones dentro del nav no heredan el color de los enlaces del nav */
.nav a.boton{border-bottom-color:transparent}
.nav a.boton--principal,.nav a.boton--principal:hover{color:#fff;border-color:transparent}
.nav a.boton--linea,.nav a.boton--linea:hover{color:var(--tinta)}
.boton{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--sans);font-size:.9rem;font-weight:600;line-height:1;
  padding:.78rem 1.25rem;border-radius:var(--r);text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;transition:background .18s,color .18s,border-color .18s;
}
.boton--principal{background:var(--verde);color:#fff}
.boton--principal:hover{background:#245840}
.boton--claro{background:transparent;color:var(--hueso);border-color:rgba(255,255,255,.35)}
.boton--claro:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.boton--linea{background:transparent;color:var(--tinta);border-color:var(--arena)}
.boton--linea:hover{border-color:var(--verde);color:var(--verde)}
.boton svg{width:16px;height:16px;flex:0 0 auto}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:.5rem;color:var(--tinta);cursor:pointer}
.menu-btn svg{width:24px;height:24px}
@media (max-width:900px){
  .nav{position:fixed;inset:68px 0 auto;background:var(--hueso);border-bottom:1px solid var(--arena);
       flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.25rem;margin:0}
  .nav[hidden]{display:none}
  .nav a{padding:.85rem 0;border-bottom:1px solid var(--arena);font-size:1rem}
  .nav .boton{margin-top:1rem;border-bottom:0}
  .menu-btn{display:block}
}

/* -------------------------------- hero --------------------------------- */
.hero{position:relative;background:var(--tinta);color:var(--hueso);overflow:hidden;isolation:isolate}
.hero__marca{
  position:absolute;right:-8%;top:50%;translate:0 -50%;width:min(58vw,700px);
  color:#fff;opacity:.05;pointer-events:none;z-index:-1;
}
.hero__inner{padding:clamp(4.5rem,11vw,9rem) 0 clamp(4rem,8vw,7rem);max-width:62rem}
.hero h1{color:#fff;margin-bottom:1.5rem}
.hero h1 em{font-style:normal;color:#9DC0A9}
.hero__bajada{font-size:clamp(1.05rem,1.7vw,1.28rem);line-height:1.6;color:#C3D2C8;max-width:58ch}
.hero__acciones{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.4rem}
.hero__pie{
  display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin-top:3.2rem;padding-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.14);font-size:.82rem;color:#8FA598;
}
.hero__pie span{display:flex;align-items:center;gap:.5rem}
.hero__pie span::before{content:"";width:5px;height:5px;border-radius:50%;background:#9DC0A9;flex:0 0 auto}

/* ------------------------------- grillas -------------------------------- */
.encabezado-seccion{max-width:var(--ancho-texto);margin-bottom:clamp(2.5rem,4vw,3.5rem)}
.encabezado-seccion h2{margin-bottom:1rem}

.grilla{display:grid;gap:1px;background:var(--arena);border:1px solid var(--arena)}
.grilla--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.grilla--3{grid-template-columns:1fr}}

.celda{background:var(--hueso);padding:clamp(1.6rem,2.6vw,2.2rem)}
.seccion--papel .celda{background:var(--papel)}
.celda__num{
  font-family:var(--serif);font-size:.9rem;font-weight:600;color:var(--acento);
  display:block;margin-bottom:1.1rem;letter-spacing:.04em;
}
.celda h3{margin-bottom:.6rem}
.celda p{font-size:.95rem;color:var(--texto-2);margin:0}

/* servicios */
.servicios{display:grid;grid-template-columns:1fr;border-top:1px solid var(--arena)}
@media (min-width:900px){.servicios{grid-template-columns:1fr 1fr}}
.servicio{
  padding:1.9rem 0;border-bottom:1px solid var(--arena);
  display:grid;grid-template-columns:2.6rem 1fr;gap:0 1rem;align-items:start;
}
@media (min-width:900px){
  .servicio:nth-child(odd){border-right:1px solid var(--arena);padding-right:3rem}
  .servicio:nth-child(even){padding-left:3rem}
}
.servicio__num{font-family:var(--serif);font-weight:600;font-size:.9rem;color:var(--acento);padding-top:.2rem}
.servicio h3{margin-bottom:.5rem}
.servicio p{font-size:.95rem;color:var(--texto-2);margin:0}

/* pasos */
.pasos{display:grid}
.paso{display:grid;grid-template-columns:5.5rem 1fr;gap:1.5rem;padding:1.9rem 0;border-top:1px solid rgba(255,255,255,.14)}
.paso:last-child{border-bottom:1px solid rgba(255,255,255,.14)}
.paso__num{font-family:var(--serif);font-size:1.5rem;color:#9DC0A9;line-height:1.2}
.paso h3{color:#fff;margin-bottom:.5rem;font-size:1.1rem}
.paso p{color:#C3D2C8;font-size:.97rem;max-width:64ch;margin:0}
@media (max-width:640px){.paso{grid-template-columns:1fr;gap:.5rem}}

/* equipo */
.equipo{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1px;
  background:var(--arena);border:1px solid var(--arena)}
.persona{background:var(--papel);padding:1.8rem}
.persona__rol{
  font-size:.68rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--verde);margin-bottom:.7rem;
}
.persona h3{font-family:var(--serif);font-size:1.3rem;font-weight:600;margin-bottom:.7rem}
.persona p{font-size:.9rem;color:var(--texto-2);margin:0}

/* hitos */
.hitos{border-top:1px solid rgba(255,255,255,.14)}
.hito{display:grid;grid-template-columns:7rem 1fr;gap:1.5rem;padding:1.5rem 0;
  border-bottom:1px solid rgba(255,255,255,.14);align-items:baseline}
.hito__anio{font-family:var(--serif);font-size:1.35rem;font-weight:600;color:#9DC0A9}
.hito p{margin:0;font-size:.98rem;color:#C3D2C8;max-width:64ch}
@media (max-width:640px){.hito{grid-template-columns:1fr;gap:.35rem}}

/* prensa */
.prensa{list-style:none;margin:0;padding:0;border-top:1px solid var(--arena)}
.prensa li{border-bottom:1px solid var(--arena)}
.prensa a{
  display:grid;grid-template-columns:11rem 1fr 1.5rem;gap:1.2rem;align-items:baseline;
  padding:1.15rem .5rem;text-decoration:none;transition:background .16s;
}
.prensa a:hover{background:var(--verde-suave)}
.prensa__medio{font-size:.72rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--texto-2)}
.prensa__titular{font-family:var(--serif);font-size:1.05rem;line-height:1.35;color:var(--texto)}
.prensa__flecha{color:var(--verde);font-size:.9rem;justify-self:end}
@media (max-width:760px){.prensa a{grid-template-columns:1fr;gap:.3rem}.prensa__flecha{display:none}}

/* clientes */
.clientes{display:flex;flex-wrap:wrap;gap:.6rem;margin:0;padding:0}
.clientes li{list-style:none;border:1px solid var(--arena);border-radius:999px;
  padding:.55rem 1.1rem;font-size:.9rem;color:var(--texto-2);background:var(--papel)}

/* notas */
.notas{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.nota-tarjeta{background:var(--papel);border:1px solid var(--arena);border-radius:var(--r);
  padding:1.7rem;display:flex;flex-direction:column;gap:.7rem;
  text-decoration:none;transition:background .16s,border-color .16s}
.nota-tarjeta:hover{background:var(--verde-suave);border-color:var(--verde)}
.nota-tarjeta time{font-size:.72rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--texto-2)}
.nota-tarjeta h3{font-family:var(--serif);font-size:1.22rem;line-height:1.28}
.nota-tarjeta p{font-size:.92rem;color:var(--texto-2);margin:0}
.vacio{padding:2.5rem;text-align:center;color:var(--texto-2);border:1px dashed var(--arena);font-size:.95rem}

/* artículo */
.articulo{max-width:var(--ancho-texto);margin-inline:auto}
.articulo h1{font-size:clamp(2rem,4.2vw,3.1rem);margin-bottom:1.1rem}
.articulo__meta{font-size:.78rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--texto-2);margin-bottom:2rem}
.articulo__bajada{font-size:1.2rem;line-height:1.55;color:var(--texto-2);margin-bottom:2rem}
.articulo__cuerpo{font-size:1.08rem;line-height:1.75}
.articulo__cuerpo h2{font-size:1.5rem;margin:2.4rem 0 .8rem}
.articulo__cuerpo h3{font-family:var(--serif);font-size:1.2rem;margin:1.9rem 0 .6rem}
.articulo__cuerpo ul,.articulo__cuerpo ol{padding-left:1.2rem;margin:0 0 1em}
.articulo__cuerpo li{margin-bottom:.4em}
.articulo__cuerpo a{color:var(--verde);text-underline-offset:3px}
.articulo__cuerpo blockquote{margin:1.8rem 0;padding-left:1.3rem;border-left:3px solid var(--verde);
  color:var(--texto-2);font-style:italic}

/* contacto */
.contacto{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem)}
@media (max-width:900px){.contacto{grid-template-columns:1fr}}
.datos{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:1.3rem}
.datos li{display:grid;gap:.25rem}
.datos .et{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#8FA598}
.datos a{font-family:var(--serif);font-size:1.25rem;color:#fff;text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.25);justify-self:start}
.datos a:hover{border-color:#9DC0A9}
.datos span.valor{font-family:var(--serif);font-size:1.15rem;color:#fff}

.formulario{display:grid;gap:1rem}
.campo{display:grid;gap:.4rem}
.campo label{font-size:.72rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:#8FA598}
.campo input,.campo textarea{
  font-family:var(--sans);font-size:1rem;color:#fff;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r);padding:.8rem .9rem;width:100%;
}
.campo input::placeholder,.campo textarea::placeholder{color:#7E9188}
.campo input:focus,.campo textarea:focus{outline:none;border-color:#9DC0A9;background:rgba(255,255,255,.1)}
.campo textarea{min-height:120px;resize:vertical}
.aviso{font-size:.82rem;color:#8FA598;margin:0}
.estado{font-size:.9rem;padding:.7rem .9rem;border-radius:var(--r);display:none}
.estado--ok{display:block;background:rgba(157,192,169,.16);color:#C7E0D0}
.estado--error{display:block;background:rgba(210,120,90,.18);color:#F0C0AC}
.miel{position:absolute;left:-9999px;opacity:0;height:0;width:0}

/* pie */
.pie{background:var(--tinta-2);color:#A9BCB1;padding:3rem 0 2rem;font-size:.88rem}
.pie__fila{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start}
.pie svg.logo{height:24px;width:auto;color:#fff;margin-bottom:.9rem}
.pie a{color:#A9BCB1;text-decoration:none}
.pie a:hover{color:#fff}
.pie__nav{display:flex;flex-wrap:wrap;gap:1.2rem}
.pie__linea{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  font-size:.78rem;color:#7E9188}
.mahca{display:inline-flex;align-items:center;gap:.45rem;text-decoration:none;color:inherit;opacity:.85}
.mahca:hover{opacity:1;color:#fff}
.mahca svg{width:15px;height:15px}

/* utilidades */
.solo-lectores{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.saltar{position:absolute;left:-9999px;top:0;background:var(--verde);color:#fff;padding:.7rem 1rem;z-index:100}
.saltar:focus{left:.5rem;top:.5rem}
.volver{display:inline-flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:500;
  color:var(--texto-2);text-decoration:none;margin-bottom:2rem}
.volver:hover{color:var(--verde)}
.wa{width:16px;height:16px;fill:currentColor}