/* Skakozurve — hoja de estilo principal */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --bg-dark:#20242a;
  --ink:#22201b;
  --ink-soft:#776f62;
  --ink-inv:#f4f0e8;
  --accent:#2c4668;
  --accent-2:#a06a2c;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
  --step:80px;
  --gap:24px;
}

*,*::before,*::after{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(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{text-decoration-thickness:2px;}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

/* ---------- retícula ---------- */

.wrap{
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

/* columna de servicio (escala) */
.rail{
  grid-column:1 / span 2;
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  padding-top:8px;
}

.rail .num{
  color:var(--accent-2);
  font-weight:700;
  display:block;
  margin-bottom:10px;
}

.rail .label{display:block;line-height:1.5;}

.ticks{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.ticks span{
  display:block;
  width:1px;
  height:24px;
  background:var(--ink-soft);
  opacity:.55;
}

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

.site-head{
  border-bottom:1px solid rgba(34,32,27,.18);
  padding:20px 0;
}

.head-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 28px;
}

.brand{
  font-family:var(--sans);
  font-weight:800;
  font-size:19px;
  letter-spacing:-.02em;
  text-decoration:none;
  color:var(--ink);
}
.brand:hover{text-decoration:none;color:var(--accent);}

.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
}
.site-nav a{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink);
  padding:4px 0;
  display:inline-block;
}
.site-nav a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;}
.site-nav a[aria-current="page"]{
  color:var(--accent);
  box-shadow:inset 0 -2px 0 var(--accent);
}

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

.band{padding:var(--step) 0;}
.band--alt{background:var(--bg-alt);}
.band--dark{background:var(--bg-dark);color:var(--ink-inv);}
.band--dark .rail,.band--dark .caption{color:#b6ada0;}
.band--dark .ticks span{background:#b6ada0;opacity:.5;}
.band--dark a{color:#9db6d8;}

.body-col{grid-column:3 / span 7;}
.wide-col{grid-column:3 / span 9;}

h1,h2,h3{
  font-family:var(--sans);
  font-weight:800;
  color:inherit;
  margin:0 0 .5em;
}

h1{
  font-size:clamp(34px,6.2vw,62px);
  line-height:.98;
  letter-spacing:-.035em;
  margin-bottom:24px;
}

h2{
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.08;
  letter-spacing:-.02em;
  margin-bottom:18px;
}

h3{
  font-size:19px;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:32px 0 10px;
}

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

.lead{
  font-size:20px;
  line-height:1.65;
  color:#3a362f;
}

.hero{padding:88px 0 64px;}
.hero .rail{padding-top:12px;}
.hero-col{grid-column:3 / span 8;}

/* ---------- imágenes ---------- */

.figure-main{
  margin:0;
  padding-bottom:var(--step);
}
.figure-main .frame{
  grid-column:4 / span 9;
}
.figure-main .caption{
  grid-column:1 / span 3;
  align-self:end;
  padding-bottom:4px;
}

.caption{
  font-family:var(--sans);
  font-size:12px;
  line-height:1.5;
  letter-spacing:.04em;
  color:var(--ink-soft);
}
.caption b{
  display:block;
  color:var(--accent-2);
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:6px;
}

.figure-detail{
  margin:0;
  grid-column:8 / span 5;
}
.figure-detail img{width:100%;}
.figure-detail figcaption{margin-top:12px;}
.detail-text{grid-column:3 / span 5;}

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

.list-col{
  grid-column:3 / span 9;
  columns:2;
  column-gap:56px;
}
.list-col ul{
  margin:0;
  padding:0;
  list-style:none;
}
.list-col li{
  break-inside:avoid;
  margin:0 0 16px;
  padding-left:20px;
  position:relative;
}
.list-col li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:9px;
  height:1px;
  background:var(--accent);
}

ol.steps{
  grid-column:3 / span 7;
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:s;
}
ol.steps li{
  counter-increment:s;
  padding-left:44px;
  position:relative;
  margin-bottom:22px;
}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;
  left:0;
  top:.25em;
  font-family:var(--sans);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent-2);
}

.rule{
  grid-column:3 / span 9;
  display:flex;
  gap:10px;
  margin:0 0 36px;
}
.rule span{
  width:1px;
  height:24px;
  background:var(--ink-soft);
  opacity:.5;
}

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

.site-foot{
  background:var(--bg-alt);
  padding:36px 0 28px;
  border-top:1px solid rgba(34,32,27,.18);
}
.patchbay{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px 28px;
}
.patchbay .brand{font-size:17px;}
.foot-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
}
.foot-links a{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.05em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink);
}
.foot-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;}
.foot-mail{font-family:var(--sans);font-size:14px;}
.foot-note{
  border-top:1px solid rgba(34,32,27,.22);
  margin-top:22px;
  padding-top:14px;
  font-family:var(--sans);
  font-size:12px;
  line-height:1.6;
  color:var(--ink-soft);
  max-width:62ch;
}

/* ---------- adaptable ---------- */

@media (max-width:900px){
  :root{--step:48px;--gap:18px;}
  body{font-size:17px;}
  .lead{font-size:18.5px;}

  .rail{
    grid-column:1 / -1;
    padding-top:0;
    margin-bottom:14px;
    display:flex;
    align-items:baseline;
    gap:12px;
    flex-wrap:wrap;
  }
  .rail .num{margin-bottom:0;}
  .ticks{
    flex-direction:row;
    margin-top:0;
    gap:6px;
    align-items:center;
  }
  .ticks span{height:12px;}

  .body-col,.wide-col,.hero-col,.detail-text,.list-col,ol.steps,.rule{grid-column:1 / -1;}
  .list-col{columns:1;}
  .figure-main .frame{grid-column:1 / -1;}
  .figure-main .caption{grid-column:1 / -1;margin-top:12px;}
  .figure-detail{grid-column:1 / -1;margin-top:28px;}
  .hero{padding:48px 0 40px;}

  .patchbay{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }
  .foot-links{flex-direction:column;gap:8px;}
}