/* Nosastu — hoja de estilo común */

:root{
  --bg:#f0eef4;
  --bg-alt:#e2dfea;
  --bg-dark:#241f2e;
  --ink:#1d1a24;
  --ink-soft:#6a6577;
  --ink-invert:#f0eef4;
  --accent:#5a4c8c;
  --ocre:#a3762a;
  --rule:#c9c4d6;
  --step:84px;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:18px;
  line-height:1.9;
  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,
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- rejilla ---------- */
.wrap{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 28px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:28px;
}

/* ---------- cabecera ---------- */
.site-head{
  border-bottom:1px solid var(--rule);
  padding:22px 0 18px;
}
.site-head .grid{row-gap:14px;align-items:baseline;}
.brand{
  grid-column:1 / span 4;
  font-family:var(--serif);
  font-size:22px;
  line-height:1.3;
  letter-spacing:.01em;
  text-decoration:none;
  color:var(--ink);
}
.brand span{display:block;font-family:var(--sans);font-size:13px;line-height:1.6;color:var(--ink-soft);letter-spacing:.06em;text-transform:uppercase;}
.site-nav{grid-column:6 / span 7;}
.site-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:6px 26px;
  justify-content:flex-end;
  font-size:15px;
}
.site-nav a{color:var(--ink);text-decoration:none;padding:2px 0;border-bottom:1px solid transparent;}
.site-nav a:hover{border-bottom-color:var(--accent);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--ocre);color:var(--accent);}

/* ---------- hero ---------- */
.hero{padding:72px 0 60px;}
.hero .grid{row-gap:38px;}
.hero-main{grid-column:1 / span 8;}
h1{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(30px,4.3vw,50px);
  line-height:1.3;
  margin:0;
  max-width:15em;
}
.hero-lead{
  grid-column:1 / span 6;
  margin:0;
  font-size:19px;
  line-height:1.85;
}
.hero-lead + .hero-lead{margin-top:20px;}

.pointer{
  grid-column:10 / span 3;
  grid-row:1 / span 3;
  font-size:14px;
  line-height:1.7;
  color:var(--ink-soft);
  border-left:1px solid var(--rule);
  padding-left:18px;
}
.pointer h2,
.pointer p.pointer-title{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ocre);
  margin:0 0 14px;
  font-weight:600;
}
.pointer ol{list-style:none;margin:0;padding:0;counter-reset:pt;}
.pointer li{counter-increment:pt;margin:0 0 11px;display:flex;gap:10px;}
.pointer li::before{
  content:counter(pt,decimal-leading-zero);
  color:var(--ocre);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.pointer a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid transparent;}
.pointer a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.pointer .mark{display:block;margin:0 0 11px;}
.pointer .mark strong{display:block;font-weight:600;color:var(--ink);font-size:13px;}

/* ---------- secciones ---------- */
.band{padding:var(--step) 0;}
.band--alt{background:var(--bg-alt);}
.band--dark{background:var(--bg-dark);color:var(--ink-invert);}
.band--dark h2,.band--dark h3{color:var(--ink-invert);}
.band--dark a{color:#c6b9f0;}
.band--dark .caption{color:#b3adc4;}

.sec{position:relative;}
.sec + .sec{margin-top:var(--step);}
.sec > .grid{row-gap:0;}

.sec-body{grid-column:1 / span 7;}
.sec-num{
  grid-column:10 / span 3;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ocre);
  padding-left:18px;
  border-left:1px solid var(--rule);
  align-self:start;
}
.band--dark .sec-num{border-left-color:#453d57;}

h2{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(24px,2.6vw,31px);
  line-height:1.3;
  margin:0 0 6px;
}
h3{
  font-family:var(--serif);
  font-weight:400;
  font-size:21px;
  line-height:1.4;
  margin:38px 0 4px;
}
.rule{
  border:0;
  border-top:1px solid var(--rule);
  margin:14px 0 26px;
  max-width:100%;
}
.band--dark .rule{border-top-color:#453d57;}

p{margin:0 0 26px;}
p:last-child{margin-bottom:0;}

/* ---------- listas ---------- */
ul.check,ol.steps{
  margin:0 0 26px;
  padding:0;
  list-style:none;
}
ul.check li,ol.steps li{
  position:relative;
  padding-left:26px;
  margin-bottom:14px;
  line-height:1.75;
}
ul.check li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:9px;height:1px;background:var(--accent);
}
ol.steps{counter-reset:st;}
ol.steps li{counter-increment:st;padding-left:38px;}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:0;
  color:var(--ocre);
  font-size:14px;
  font-variant-numeric:tabular-nums;
  line-height:1.9;
}
.band--dark ul.check li::before{background:var(--ocre);}

.term{font-weight:600;}

/* ---------- imágenes ---------- */
.figure-main{
  grid-column:1 / span 8;
  margin:0;
}
.figure-main img{width:100%;}
.figure-cap{
  grid-column:10 / span 3;
  align-self:end;
  padding-left:18px;
  border-left:1px solid var(--rule);
}
.caption{
  font-size:14px;
  line-height:1.6;
  color:var(--ink-soft);
  margin:0;
}
.caption b{color:var(--ocre);font-weight:600;display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px;}

.figure-detail{
  grid-column:1 / span 4;
  margin:0;
}
.figure-detail img{width:100%;}
.figure-detail .caption{margin-top:14px;}
.detail-text{grid-column:6 / span 6;}
.detail-text .sec-num{grid-column:auto;border:0;padding:0;margin-bottom:10px;display:block;}

/* ---------- páginas de texto ---------- */
.page{padding:64px 0 var(--step);}
.page .grid{row-gap:0;}
.page-body{grid-column:1 / span 7;}
.page-body h1{margin-bottom:22px;}
.page-aside{
  grid-column:10 / span 3;
  padding-left:18px;
  border-left:1px solid var(--rule);
  font-size:14px;
  line-height:1.7;
  color:var(--ink-soft);
  align-self:start;
}
.page-aside p{margin:0 0 16px;}
.page-aside b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ocre);margin-bottom:5px;font-weight:600;}

/* ---------- pie ---------- */
.site-foot{
  border-top:1px solid var(--rule);
  padding:44px 0 56px;
  margin-top:var(--step);
}
.band--dark + .site-foot{margin-top:0;}
.foot-top{row-gap:24px;align-items:start;}
.foot-brand{grid-column:1 / span 5;}
.foot-brand .name{font-family:var(--serif);font-size:21px;line-height:1.3;}
.foot-brand p{font-size:15px;color:var(--ink-soft);margin:8px 0 0;max-width:32em;}
.foot-nav{grid-column:8 / span 5;}
.foot-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:flex-end;font-size:15px;}
.foot-nav a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;}
.foot-nav a:hover{border-bottom-color:var(--accent);}
.foot-line{border:0;border-top:1px solid var(--rule);margin:30px 0 22px;}
.foot-bottom{row-gap:12px;}
.foot-mail{grid-column:1 / span 5;font-size:15px;}
.foot-note{grid-column:8 / span 5;font-size:14px;color:var(--ink-soft);text-align:right;margin:0;line-height:1.7;}

/* ---------- tablet ---------- */
@media (max-width:900px){
  :root{--step:60px;}
  .hero-main,.hero-lead,.sec-body,.page-body,.figure-main,.detail-text{grid-column:1 / span 8;}
  .pointer,.sec-num,.page-aside,.figure-cap{grid-column:9 / span 4;}
  .figure-detail{grid-column:1 / span 5;}
  .detail-text{grid-column:6 / span 7;}
  .foot-brand,.foot-mail{grid-column:1 / span 6;}
  .foot-nav,.foot-note{grid-column:7 / span 6;}
}

/* ---------- móvil ---------- */
@media (max-width:680px){
  :root{--step:50px;}
  body{font-size:17px;line-height:1.85;}
  .wrap{padding:0 20px;}
  .grid{column-gap:0;}
  .brand,.site-nav,
  .hero-main,.hero-lead,.pointer,
  .sec-body,.sec-num,
  .figure-main,.figure-cap,
  .figure-detail,.detail-text,
  .page-body,.page-aside,
  .foot-brand,.foot-nav,.foot-mail,.foot-note{
    grid-column:1 / span 12;
  }
  .site-nav ul,.foot-nav ul{justify-content:flex-start;gap:4px 20px;}
  .foot-note{text-align:left;}
  .hero{padding:44px 0 40px;}
  .hero .grid{row-gap:26px;}
  .pointer{
    grid-row:auto;
    order:-1;
    border-left:0;
    border-top:1px solid var(--rule);
    border-bottom:1px solid var(--rule);
    padding:16px 0;
  }
  .pointer ol{display:flex;flex-wrap:wrap;gap:4px 20px;}
  .pointer li{margin:0;}
  .sec-num{
    border-left:0;padding-left:0;
    margin-bottom:10px;
    order:-1;
  }
  .sec > .grid{display:flex;flex-direction:column;}
  .page .grid{display:flex;flex-direction:column;}
  .page-aside{border-left:0;padding-left:0;border-top:1px solid var(--rule);padding-top:20px;margin-top:34px;}
  .figure-cap{border-left:0;padding-left:0;margin-top:12px;}
  .figure-detail{margin-bottom:28px;}
  h3{margin-top:30px;}
}