/* Bunteka — hoja de estilo común */

:root{
  --bg:#f1f2f0;
  --bg-alt:#e3e5e2;
  --dark:#141614;
  --tx:#171917;
  --tx2:#6a6e6a;
  --inv:#f1f2f0;
  --a1:#2a6b3c;
  --a2:#8a6a20;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
  --step:84px;
  --rule:rgba(23,25,23,.20);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%}

a{color:var(--a1);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,:focus-visible{outline:2px solid var(--a1);outline-offset:3px}

/* ---------- retícula de 12 columnas ---------- */

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- tipografía ---------- */

h1{
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(2.35rem,5.6vw,4.3rem);
  line-height:.98;
  letter-spacing:-.033em;
  margin:0;
}

h2{
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(1.45rem,2.5vw,2.05rem);
  line-height:1.08;
  letter-spacing:-.022em;
  margin:0 0 16px;
}

h3{
  font-family:var(--sans);
  font-weight:700;
  font-size:1.08rem;
  letter-spacing:-.012em;
  line-height:1.25;
  margin:30px 0 4px;
}

p{margin:0 0 18px}
p:last-child{margin-bottom:0}

ul,ol{margin:0 0 18px;padding-left:1.15em}
li{margin-bottom:7px}
li::marker{color:var(--a1)}
li:last-child{margin-bottom:0}

.lead{font-size:1.06rem}

.small{font-size:.86rem;line-height:1.6;color:var(--tx2)}

.num{
  font-family:var(--sans);
  font-weight:700;
  font-size:.74rem;
  letter-spacing:.14em;
  color:var(--a2);
  display:block;
}

/* ---------- cabecera ---------- */

.site-head{border-bottom:1px solid var(--rule)}

.head-in{
  grid-column:1/13;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
  padding:20px 0 18px;
}

.brand{
  font-family:var(--sans);
  font-weight:800;
  font-size:1.16rem;
  letter-spacing:-.02em;
  color:var(--tx);
  text-decoration:none;
}
.brand:hover{color:var(--a1)}

.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
}
.site-nav li{margin:0}
.site-nav a{
  font-family:var(--sans);
  font-size:.85rem;
  letter-spacing:.01em;
  color:var(--tx);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover{color:var(--a1);border-bottom-color:var(--a1)}

/* ---------- portada / encabezado de página ---------- */

.hero{padding:70px 0 var(--step)}

.hero-title{grid-column:1/9}
.hero-lead{grid-column:1/7;margin-top:30px}

.index{
  grid-column:10/13;
  grid-row:1/span 2;
  align-self:start;
}
.index h2,
.index .index-title{
  font-family:var(--sans);
  font-weight:700;
  font-size:.74rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--tx2);
  margin:0 0 14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--rule);
}
.index ol,.index ul{list-style:none;margin:0;padding:0}
.index li{margin-bottom:9px;line-height:1.35}
.index a{
  font-family:var(--sans);
  font-size:.82rem;
  color:var(--tx);
  text-decoration:none;
  display:block;
}
.index a:hover{color:var(--a1)}
.index .num{margin-bottom:1px}
.index .plain{
  font-family:var(--sans);
  font-size:.82rem;
  color:var(--tx2);
  display:block;
}

/* ---------- secciones ---------- */

.sec{padding:var(--step) 0}
.sec.alt{background:var(--bg-alt)}

.sec-body{
  grid-column:1/8;
  grid-row:1;
  border-top:1px solid var(--rule);
  padding-top:22px;
}

.sec-mark{
  grid-column:10/13;
  grid-row:1;
  padding-top:22px;
}
.sec-mark .label{
  font-family:var(--sans);
  font-size:.78rem;
  line-height:1.4;
  color:var(--tx2);
  display:block;
  margin-top:4px;
}

.checklist{
  margin-top:22px;
  border-left:2px solid var(--a2);
  padding:2px 0 2px 20px;
}
.checklist .ct{
  font-family:var(--sans);
  font-weight:700;
  font-size:.82rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--tx2);
  margin:0 0 10px;
}
.checklist ul{padding-left:1.05em;margin-bottom:0}
.checklist li{font-size:.97rem}

/* ---------- imagen principal ---------- */

.figure-main{
  margin:0;
  padding-top:0;
  padding-bottom:var(--step);
}
.figure-main .ph{grid-column:1/9}
.figure-main img{width:100%;height:auto;display:block}
.figure-main figcaption{
  grid-column:10/13;
  align-self:end;
  font-size:.82rem;
  line-height:1.55;
  color:var(--tx2);
  padding-bottom:2px;
}
.figure-main figcaption .num{margin-bottom:6px}

/* ---------- sección contrastada ---------- */

.sec-dark{
  background:var(--dark);
  color:var(--inv);
  padding:var(--step) 0;
}
.sec-dark .sec-body{
  grid-column:1/7;
  border-top-color:rgba(241,242,240,.26);
}
.sec-dark h2{color:var(--inv)}
.sec-dark a{color:#8fc39c}
.sec-dark .checklist{border-left-color:var(--a2)}
.sec-dark .checklist .ct{color:rgba(241,242,240,.66)}
.sec-dark li::marker{color:#8fc39c}

.sec-dark .sec-body{grid-row:1/span 2}
.sec-dark .sec-mark{grid-column:8/13;grid-row:1;padding-top:22px}

.dark-fig{
  grid-column:8/13;
  grid-row:2;
  margin:16px 0 0;
  align-self:start;
}
.dark-fig img{width:100%;height:auto;display:block}
.dark-fig figcaption{
  font-size:.8rem;
  line-height:1.55;
  color:rgba(241,242,240,.62);
  margin-top:12px;
}

/* ---------- páginas de texto ---------- */

.page-head{padding:66px 0 40px}
.page-head .hero-title{grid-column:1/10}
.page-head .hero-lead{grid-column:1/7;margin-top:26px}

.text-body{grid-column:1/8}
.text-body h2{margin-top:44px}
.text-body h2:first-child{margin-top:0}
.text-body .block{
  border-top:1px solid var(--rule);
  padding-top:20px;
  margin-top:44px;
}
.text-body .block:first-child{margin-top:0}

.side-index{
  grid-column:10/13;
  grid-row:1;
  align-self:start;
}
.side-index .index-title{
  font-family:var(--sans);
  font-weight:700;
  font-size:.74rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--tx2);
  margin:0 0 14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--rule);
}
.side-index ul{list-style:none;margin:0;padding:0}
.side-index li{margin-bottom:12px;font-family:var(--sans);font-size:.82rem;line-height:1.4;color:var(--tx2)}
.side-index a{font-family:var(--sans);font-size:.82rem}

.page-main{padding-bottom:var(--step)}

/* ---------- pie ---------- */

.site-foot{
  border-top:1px solid var(--rule);
  padding:46px 0 60px;
  background:var(--bg-alt);
}
.foot-brand{
  grid-column:1/6;
  font-family:var(--sans);
  font-weight:800;
  font-size:1.5rem;
  letter-spacing:-.025em;
  line-height:1.05;
}
.foot-brand .tag{
  display:block;
  font-family:var(--sans);
  font-weight:400;
  font-size:.82rem;
  letter-spacing:0;
  color:var(--tx2);
  margin-top:10px;
}
.foot-nav{grid-column:8/13}
.foot-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px 20px;
}
.foot-nav li{margin:0}
.foot-nav a{font-family:var(--sans);font-size:.85rem;color:var(--tx);text-decoration:none}
.foot-nav a:hover{color:var(--a1);text-decoration:underline}

.foot-rule{
  grid-column:1/13;
  border-top:1px solid var(--rule);
  margin:34px 0 22px;
}

.foot-mail{grid-column:1/6;font-family:var(--sans);font-size:.92rem}
.foot-note{grid-column:8/13;font-size:.82rem;line-height:1.6;color:var(--tx2)}

/* ---------- tabletas ---------- */

@media (max-width:1040px){
  .grid{column-gap:20px;padding:0 26px}
  .hero-title{grid-column:1/10}
  .hero-lead{grid-column:1/8}
  .sec-body,.text-body{grid-column:1/9}
  .figure-main .ph{grid-column:1/10}
  .sec-dark .sec-body{grid-column:1/7}
  .dark-fig{grid-column:8/13}
}

/* ---------- móvil ---------- */

@media (max-width:820px){
  body{font-size:17px}
  :root{--step:50px}

  .grid{
    grid-template-columns:1fr;
    column-gap:0;
    padding:0 20px;
  }
  .grid > *{grid-column:1 !important;grid-row:auto !important}

  .head-in{padding:16px 0 14px}

  .hero{padding:26px 0 var(--step)}
  .hero-lead{margin-top:22px}

  .index{order:-1;margin-bottom:26px}
  .index ol,.index ul{
    display:flex;
    flex-wrap:wrap;
    gap:6px 18px;
  }
  .index li{margin-bottom:0}
  .index a,.index .plain{display:inline}
  .index .num{display:inline;margin-right:5px}

  .sec-mark{
    order:-1;
    border-top:1px solid var(--rule);
    padding-top:14px;
    margin-bottom:12px;
    display:flex;
    align-items:baseline;
    gap:12px;
  }
  .sec-mark .label{margin-top:0}
  .sec-body{border-top:0;padding-top:0}

  .sec-dark .sec-mark{border-top-color:rgba(241,242,240,.26)}
  .sec-dark .sec-body{border-top:0}

  .figure-main figcaption{margin-top:12px;align-self:auto}
  .dark-fig{margin-top:28px}

  .page-head{padding:26px 0 26px}
  .side-index{order:-1;margin-bottom:24px}
  .side-index ul{display:flex;flex-wrap:wrap;gap:6px 18px}
  .side-index li{margin-bottom:0}

  .text-body .block{margin-top:34px;padding-top:16px}
  .text-body h2{margin-top:34px}

  .foot-nav{margin-top:26px}
  .foot-nav ul{grid-template-columns:1fr 1fr}
  .foot-rule{margin:24px 0 18px}
  .foot-note{margin-top:14px}
}

@media (max-width:420px){
  .foot-nav ul{grid-template-columns:1fr}
}