/* Prustome — hoja de estilo general */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --bg-dark:#20242a;
  --ink:#22201b;
  --ink-soft:#776f62;
  --on-dark:#f4f0e8;
  --blue:#2c4668;
  --ochre:#a06a2c;
  --step:84px;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box;}

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

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

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

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

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

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

/* columnas de texto desplazadas */
.col-a{grid-column:1 / span 7;}
.col-b{grid-column:2 / span 7;}
.col-c{grid-column:3 / span 7;}
.col-d{grid-column:4 / span 7;}

/* ---------- cruces de registro ---------- */

.mark{
  position:absolute;
  width:22px;
  height:22px;
  pointer-events:none;
}
.mark::before,
.mark::after{
  content:"";
  position:absolute;
  background:var(--ochre);
}
.mark::before{left:0;top:10px;width:22px;height:1px;}
.mark::after{top:0;left:10px;width:1px;height:22px;}
.mark.blue::before,
.mark.blue::after{background:var(--blue);}
.mark.light::before,
.mark.light::after{background:#6d7480;}

.mark.tl{left:-11px;top:-11px;}
.mark.tr{right:-11px;top:-11px;}
.mark.bl{left:-11px;bottom:-11px;}
.mark.br{right:-11px;bottom:-11px;}

/* ---------- cabecera y navegación ---------- */

.site-header{
  border-bottom:1px solid #d8d1c2;
  background:var(--bg);
}
.site-header .grid{
  padding-top:22px;
  padding-bottom:22px;
  row-gap:14px;
  align-items:baseline;
}
.brand{
  grid-column:1 / span 4;
  font-family:var(--sans);
  font-weight:800;
  font-size:20px;
  letter-spacing:-0.02em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
}
.brand span{color:var(--ochre);}
.site-nav{grid-column:5 / span 8;}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:flex-end;
}
.site-nav a{
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:0.04em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink);
  padding-bottom:3px;
  border-bottom:2px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--ochre);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--blue);}

/* ---------- hero ---------- */

.hero{padding:calc(var(--step) - 14px) 0 var(--step);}
.hero-frame{position:relative;}
.hero-frame .grid{position:relative;}

.hero-kicker{
  grid-column:1 / span 12;
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--ochre);
  margin:0 0 26px;
}
.hero h1{
  grid-column:1 / span 9;
  position:relative;
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(34px,5.6vw,66px);
  line-height:0.98;
  letter-spacing:-0.035em;
  margin:0 0 34px;
}
.hero h1 .misprint{position:relative;display:inline-block;}
.hero h1 .misprint::after{
  content:"";
  position:absolute;
  left:-6px;
  right:-18px;
  bottom:0.06em;
  height:3px;
  background:var(--blue);
  opacity:0.85;
}
.hero-lead{grid-column:1 / span 5;margin:0;}
.hero-lead p{margin:0 0 16px;}
.hero-lead p:last-child{margin-bottom:0;}

.hero-topics{
  grid-column:8 / span 4;
  align-self:start;
}
.hero-topics h2{
  font-family:var(--sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin:6px 0 16px;
}
.hero-topics ul{list-style:none;margin:0;padding:0;font-size:16px;line-height:1.55;}
.hero-topics li{position:relative;padding-left:20px;margin-bottom:11px;}
.hero-topics li::before{
  content:"";
  position:absolute;
  left:0;
  top:0.55em;
  width:8px;height:8px;
  background:var(--blue);
}

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

.sep{
  position:relative;
  height:10px;
  margin:0 0 38px;
  max-width:100%;
}
.sep::before,
.sep::after{content:"";position:absolute;height:2px;left:0;width:100%;}
.sep::before{top:0;background:var(--blue);}
.sep::after{top:6px;left:24px;width:calc(100% - 24px);background:var(--ochre);}

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

.band{padding:var(--step) 0;}
.band--alt{background:var(--bg-alt);}
.band--dark{background:var(--bg-dark);color:var(--on-dark);}

.band h2{
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(24px,3vw,33px);
  line-height:1.08;
  letter-spacing:-0.025em;
  margin:0 0 20px;
}
.band h3{
  font-family:var(--sans);
  font-weight:700;
  font-size:19px;
  letter-spacing:-0.01em;
  margin:32px 0 10px;
}
.band p{margin:0 0 18px;}
.band p:last-child{margin-bottom:0;}

.sec-num{
  display:block;
  font-family:var(--sans);
  font-size:12px;
  font-weight:700;
  letter-spacing:0.18em;
  color:var(--ochre);
  margin-bottom:12px;
}

.stack > * + *{margin-top:var(--step);}

/* listas prácticas */
.check{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  font-size:17px;
}
.check li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  line-height:1.6;
}
.check li::before{
  content:"";
  position:absolute;
  left:0;top:0.6em;
  width:10px;height:10px;
  border:2px solid var(--blue);
}
.check--ochre li::before{border-color:var(--ochre);}

.term{font-family:var(--sans);font-weight:700;font-size:16px;letter-spacing:-0.01em;}

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

.figure-main{
  grid-column:3 / span 8;
  position:relative;
  margin:0;
}
.figure-main img{width:100%;aspect-ratio:3 / 2;object-fit:cover;}
.figure-main figcaption,
.figure-detail figcaption{
  font-family:var(--sans);
  font-size:13px;
  line-height:1.5;
  color:var(--ink-soft);
  margin-top:14px;
  max-width:46ch;
}

/* ---------- sección oscura con imagen de detalle ---------- */

.band--dark .sec-num{color:var(--ochre);}
.band--dark p{color:#ded8cc;}
.band--dark h2,.band--dark h3{color:var(--on-dark);}
.band--dark .check li::before{border-color:var(--ochre);}
.band--dark a{color:#b9cbe4;}

.figure-detail{
  grid-column:1 / span 4;
  position:relative;
  margin:0;
}
.figure-detail img{width:100%;aspect-ratio:4 / 5;object-fit:cover;}
.band--dark .figure-detail figcaption{color:#9aa2ae;}
.dark-text{grid-column:6 / span 6;}

/* ---------- contacto / contenidos ---------- */

.plain dl{margin:22px 0 0;}
.plain dt{font-family:var(--sans);font-weight:700;font-size:16px;margin-top:18px;}
.plain dd{margin:4px 0 0;}

/* ---------- about ---------- */

.about-body{position:relative;}
.about-body .grid{position:relative;}
.about-block{grid-column:3 / span 7;position:relative;}
.about-block + .about-block{margin-top:var(--step);}
.about-block .mark.side{left:-70px;top:6px;}

/* ---------- páginas legales ---------- */

.doc-block{grid-column:2 / span 8;}
.doc-block h2{margin-top:52px;}
.doc-block h2:first-of-type{margin-top:0;}
.doc-meta{
  font-family:var(--sans);
  font-size:13px;
  color:var(--ink-soft);
  letter-spacing:0.04em;
}

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

.site-footer{
  background:var(--bg-dark);
  color:var(--on-dark);
  padding:56px 0 48px;
}
.site-footer .sep::before{background:var(--ochre);}
.site-footer .sep::after{background:#4c5a70;}
.footer-sep{grid-column:1 / span 12;}
.footer-main{grid-column:1 / span 7;}
.footer-main .f-name{
  font-family:var(--sans);
  font-weight:800;
  font-size:22px;
  letter-spacing:-0.02em;
  text-transform:uppercase;
  margin:0 0 12px;
}
.footer-main p{margin:0;color:#ded8cc;font-size:16px;max-width:48ch;}
.footer-side{grid-column:8 / span 5;}
.footer-side ul{list-style:none;margin:0 0 18px;padding:0;}
.footer-side li{margin-bottom:8px;}
.footer-side a{
  font-family:var(--sans);
  font-size:15px;
  color:#cfd6e0;
}
.footer-mail{font-family:var(--sans);font-size:15px;}
.footer-mail a{color:#b9cbe4;}
.footer-note{
  grid-column:1 / span 12;
  margin-top:40px;
  padding-top:18px;
  border-top:1px solid #39404b;
  font-family:var(--sans);
  font-size:13px;
  color:#8f97a3;
}

/* ---------- responsive ---------- */

@media (max-width:900px){
  :root{--step:56px;}
  .grid{column-gap:18px;padding:0 24px;}
  .hero h1{grid-column:1 / span 12;}
  .hero-lead,.hero-topics{grid-column:1 / span 12;}
  .hero-topics{margin-top:32px;}
  .col-a,.col-b,.col-c,.col-d,
  .figure-main,.figure-detail,.dark-text,
  .about-block,.doc-block{grid-column:1 / span 12;}
  .figure-detail{max-width:420px;}
  .dark-text{margin-top:36px;}
  .about-block .mark.side{display:none;}
  .footer-main,.footer-side{grid-column:1 / span 12;}
  .footer-side{margin-top:30px;}
  .brand{grid-column:1 / span 12;}
  .site-nav{grid-column:1 / span 12;}
  .site-nav ul{justify-content:flex-start;}
}

@media (max-width:560px){
  :root{--step:50px;}
  body{font-size:17px;}
  .grid{padding:0 18px;column-gap:14px;}
  .hero h1 .misprint::after{right:-8px;}
  .sep::after{left:16px;width:calc(100% - 16px);}
}