/* Vubobre — hoja de estilos común */

:root{
  --bg:#f1e9dc;
  --bg-alt:#e5d8c4;
  --bg-dark:#3a2a1d;
  --text:#2a2018;
  --muted:#7a6a57;
  --on-dark:#f1e9dc;
  --accent:#9c5a2c;
  --accent2:#59705b;
  --maxw:1240px;
  --pad:28px;
  --gap:24px;
  --wide:120px;
  --tight:56px;
}

*{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;overflow-x:hidden}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}

a:focus-visible,
button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* ---------- rejilla ---------- */

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

.col5{grid-column:1 / span 5}
.col5r{grid-column:8 / span 5}
.col6{grid-column:1 / span 6}
.col7{grid-column:1 / span 7}
.col7r{grid-column:6 / span 7}
.col9{grid-column:1 / span 9}
.col9r{grid-column:4 / span 9}
.col12{grid-column:1 / span 12}

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

.site-head{border-bottom:1px solid rgba(122,106,87,.35)}

.head-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:20px var(--pad);
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px 32px;
}

.brand{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{color:var(--accent)}

.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
}
.site-nav a{
  color:var(--text);
  text-decoration:none;
  font-size:15px;
  padding-bottom:2px;
  border-bottom:2px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--accent);color:var(--accent)}
.site-nav a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent)}

/* ---------- ritmo de secciones ---------- */

.band{padding-top:var(--wide);padding-bottom:var(--wide)}
.band-tight{padding-top:var(--tight);padding-bottom:var(--tight)}
.band-alt{background:var(--bg-alt)}
.band-dark{background:var(--bg-dark);color:var(--on-dark)}
.band-dark h2,.band-dark h3{color:var(--on-dark)}
.band-dark .lede,.band-dark .caption{color:#cbb99f}
.band-dark a{color:#e0a877}

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

h1,h2,h3{margin:0;letter-spacing:-.02em}

h1{
  font-size:clamp(2.6rem,7.2vw,5.4rem);
  font-weight:700;
  line-height:1.02;
  letter-spacing:-.035em;
}

.h1-step{display:block}
.h1-step + .h1-step{margin-left:8.3%}
.h1-step + .h1-step + .h1-step{margin-left:16.6%}

h2{
  font-size:clamp(1.5rem,2.7vw,2.05rem);
  font-weight:700;
  line-height:1.18;
  margin-bottom:18px;
}

h3{
  font-size:1.15rem;
  font-weight:700;
  line-height:1.35;
  margin:34px 0 10px;
}

p{margin:0 0 20px}
p:last-child{margin-bottom:0}

.lede{font-size:19px;color:var(--muted)}
.lede-big{font-size:22px;line-height:1.6}
.caption{font-size:13px;line-height:1.5;color:var(--muted)}

.sec-num{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--accent2);
  margin-bottom:12px;
}

/* ---------- portada ---------- */

.hero{padding-top:96px;padding-bottom:var(--tight)}

.hero-title{
  grid-column:1 / span 12;
  border-left:6px solid var(--accent);
  padding-left:28px;
}

.hero-intro{grid-column:1 / span 5;margin-top:46px}

.hero-topics{
  grid-column:7 / span 6;
  margin-top:46px;
  align-self:end;
  font-size:15px;
  color:var(--muted);
}
.hero-topics span{white-space:nowrap}
.hero-topics span::after{content:"/";color:var(--accent);margin:0 10px;font-weight:700}
.hero-topics span:last-child::after{content:""}

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

.figure-main{
  grid-column:5 / -1;
  margin:0;
  margin-right:calc(-1 * var(--pad));
  display:flex;
  align-items:flex-start;
  gap:16px;
}
.figure-main .caption{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  flex:0 0 auto;
  max-height:420px;
  margin:0;
}
.figure-main img{flex:1 1 auto;width:100%}

/* ---------- imagen de detalle ---------- */

.detail-figure{grid-column:2 / span 4;margin:0}
.detail-figure .caption{margin-top:12px}
.detail-text{grid-column:7 / span 6}

/* ---------- separadores ---------- */

.rule{
  border:0;
  height:3px;
  background:var(--accent);
  width:33.3%;
  margin:0 auto;
  max-width:var(--maxw);
}
.rule-left{margin-left:var(--pad);margin-right:auto}
.rule-right{margin-left:auto;margin-right:var(--pad)}

.rule-wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.rule-wrap .rule{margin-left:0}
.rule-wrap .rule.rule-center{margin-left:auto;margin-right:auto}
.rule-wrap .rule.rule-end{margin-left:auto;margin-right:0}

/* ---------- listas ---------- */

.steps{
  list-style:none;
  counter-reset:step;
  margin:26px 0 0;
  padding:0;
}
.steps li{
  counter-increment:step;
  position:relative;
  padding-left:66px;
  margin-bottom:22px;
  border-top:1px solid rgba(122,106,87,.3);
  padding-top:14px;
}
.steps li::before{
  content:counter(step);
  position:absolute;
  left:0;
  top:8px;
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
  letter-spacing:-.04em;
}
.band-dark .steps li{border-top-color:rgba(241,233,220,.25)}
.band-dark .steps li::before{color:#e0a877}

.plain{margin:24px 0 0;padding-left:0;list-style:none}
.plain li{
  padding-left:22px;
  position:relative;
  margin-bottom:12px;
}
.plain li::before{
  content:"";
  position:absolute;
  left:0;
  top:.7em;
  width:10px;
  height:3px;
  background:var(--accent);
}

.index-list{list-style:none;margin:24px 0 0;padding:0;columns:2;column-gap:var(--gap)}
.index-list li{margin-bottom:12px;break-inside:avoid;font-size:16px}

.scale-list{list-style:none;margin:26px 0 0;padding:0}
.scale-list li{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:16px;
  padding:14px 0;
  border-top:1px solid rgba(122,106,87,.3);
}
.scale-list b{color:var(--accent2);font-size:17px}

/* ---------- bloques de texto ---------- */

.stack{margin-top:26px}
.subhead{color:var(--muted);font-size:15px}

.page-head{padding-top:80px;padding-bottom:var(--tight)}
.page-head h1{font-size:clamp(2.2rem,5.4vw,3.9rem)}

.legal h2{margin-top:52px}
.legal h2:first-of-type{margin-top:0}

.aside-head{grid-column:1 / span 3;padding-right:20px}
.aside-body{grid-column:4 / span 6}
.aside-head h2{font-size:1.35rem}

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

.site-foot{border-top:6px solid var(--accent);margin-top:0;background:var(--bg-alt)}
.foot-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:48px var(--pad) 60px;
}
.foot-name{
  font-size:clamp(2.2rem,6vw,3.6rem);
  font-weight:700;
  letter-spacing:-.04em;
  line-height:1;
  margin:0 0 36px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px var(--gap);
}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin-bottom:10px}
.foot-grid a{color:var(--text)}
.foot-note{font-size:15px;color:var(--muted)}
.foot-mail{font-size:19px;font-weight:700;display:inline-block;margin-bottom:14px}

/* ---------- adaptación ---------- */

@media (max-width:900px){
  :root{--wide:64px;--tight:40px;--pad:20px}

  body{font-size:16.5px}

  .col5,.col5r,.col6,.col7,.col7r,.col9,.col9r,.col12,
  .hero-title,.hero-intro,.hero-topics,
  .figure-main,.detail-figure,.detail-text,
  .aside-head,.aside-body{grid-column:1 / -1}

  .hero{padding-top:52px}
  .hero-intro,.hero-topics{margin-top:28px}

  .h1-step + .h1-step{margin-left:6%}
  .h1-step + .h1-step + .h1-step{margin-left:12%}

  .hero-title{border-left-width:4px;padding-left:16px}

  .figure-main{
    display:block;
    margin-right:0;
    margin-top:36px;
  }
  .figure-main .caption{
    writing-mode:horizontal-tb;
    transform:none;
    max-height:none;
    margin-top:10px;
  }

  .detail-figure{margin-bottom:32px}

  .rule{width:60%}

  .index-list{columns:1}

  .scale-list li{grid-template-columns:1fr;gap:4px}

  .foot-grid{grid-template-columns:1fr}

  .aside-head{padding-right:0}
  .aside-head h2{margin-bottom:10px}

  .lede-big{font-size:19px}
}

@media (max-width:520px){
  .steps li{padding-left:52px}
  .steps li::before{font-size:24px}
  .head-inner{gap:12px 20px}
  .site-nav ul{gap:8px 18px}
}