/* Peroge — hoja de estilos común */

:root{
  --bg:#f5f0df;
  --bg-alt:#e9e1c9;
  --bg-dark:#2f2a1e;
  --tx:#241f16;
  --tx2:#736b55;
  --tx-inv:#f5f0df;
  --acc:#8a6a1f;
  --acc2:#4a6b52;
  --mono:ui-monospace,Consolas,'Liberation Mono',monospace;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:28px;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
}

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

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

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

/* ---------- rejilla de 12 columnas ---------- */

.grid{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 28px;
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:var(--gap);
}

.c-1-5{grid-column:1/span 5}
.c-1-6{grid-column:1/span 6}
.c-1-7{grid-column:1/span 7}
.c-1-9{grid-column:1/span 9}
.c-3-7{grid-column:3/span 7}
.c-4-9{grid-column:4/span 9}
.c-5-5{grid-column:5/span 5}
.c-6-7{grid-column:6/span 7}
.c-7-6{grid-column:7/span 6}
.c-8-5{grid-column:8/span 5}
.c-full{grid-column:1/-1}

/* ---------- ritmo vertical ---------- */

.s-lg{padding:120px 0}
.s-sm{padding:56px 0}
.alt{background:var(--bg-alt)}

.dark{background:var(--bg-dark);color:var(--tx-inv)}
.dark a{color:var(--tx-inv)}
.dark .lbl{color:rgba(245,240,223,.7)}
.dark .cap{color:rgba(245,240,223,.62)}
.dark h2,.dark h3{color:var(--tx-inv)}
.dark :focus-visible{outline-color:var(--tx-inv)}
.dark .steps li{border-top-color:rgba(245,240,223,.28)}
.dark .steps li::before{color:rgba(245,240,223,.75)}

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

h1,h2,h3,.lbl,.brand,.nav a,.foot-name{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:700;
}

h2{
  font-size:clamp(21px,2.5vw,30px);
  line-height:1.25;
  margin:0 0 26px;
}

h3{
  font-size:15px;
  letter-spacing:.14em;
  line-height:1.5;
  margin:34px 0 12px;
  color:var(--acc);
}

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

.lbl{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--acc2);
  margin:0 0 18px;
  display:block;
}

.lead{font-size:22px;line-height:1.6}
.cap{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx2);line-height:1.8}

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

.rule{height:3px;background:var(--acc);border:0;margin:0}
.rule-l{grid-column:1/span 4}
.rule-c{grid-column:5/span 4}
.rule-r{grid-column:9/span 4}

.hair{height:1px;background:rgba(115,107,85,.4);border:0;margin:0;grid-column:1/-1}

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

.site-head{padding:26px 0 22px;border-bottom:1px solid rgba(115,107,85,.4)}
.site-head .grid{align-items:baseline;row-gap:14px}
.brand{grid-column:1/span 3;font-size:15px;letter-spacing:.28em;color:var(--tx);text-decoration:none}
.brand:hover{color:var(--acc)}
.nav{grid-column:5/-1;display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:flex-end}
.nav a{font-size:11px;letter-spacing:.18em;color:var(--tx2);text-decoration:none}
.nav a:hover,.nav a[aria-current="page"]{color:var(--acc)}

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

.hero{padding:96px 0 0}
.hero-title{grid-column:1/-1;border-left:3px solid var(--acc);padding-left:26px;margin:0 0 46px}
.hero-title h1{
  font-size:clamp(29px,6vw,72px);
  line-height:1.04;
  letter-spacing:.02em;
  margin:0;
}
.hero-title h1 span{display:block}
.hero-title h1 span:nth-child(2){margin-left:8.33%}
.hero-title h1 span:nth-child(3){margin-left:16.66%}

.hero-intro{grid-column:1/span 5}
.hero-meta{grid-column:7/span 6;align-self:end}

.inline-topics{margin:0;padding:0;list-style:none;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--tx2);line-height:2.1}
.inline-topics li{display:inline}
.inline-topics li::after{content:"·";color:var(--acc);margin:0 10px;font-weight:700}
.inline-topics li:last-child::after{content:""}

/* ---------- figuras ---------- */

.fig-main{
  grid-column:5/-1;
  margin:70px 0 0;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  column-gap:18px;
}
.fig-main figcaption{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--tx2);
  text-align:right;
}

.fig-detail{grid-column:2/span 4;margin:0}
.fig-detail figcaption{margin-top:14px}
.detail-text{grid-column:7/span 6}

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

.steps{list-style:none;counter-reset:s;margin:26px 0 0;padding:0}
.steps li{
  counter-increment:s;
  position:relative;
  padding:14px 0 0 66px;
  margin-bottom:20px;
  border-top:1px solid rgba(115,107,85,.4);
}
.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;
  left:0;
  top:12px;
  font-family:var(--mono);
  font-size:26px;
  letter-spacing:.02em;
  color:var(--acc);
}
.steps strong{font-weight:700}

.plain{margin:20px 0 0;padding-left:20px}
.plain li{margin-bottom:10px}
.plain li::marker{color:var(--acc)}

.index-list{list-style:none;margin:0;padding:0;columns:2;column-gap:var(--gap)}
.index-list li{break-inside:avoid;padding:12px 0;border-bottom:1px solid rgba(115,107,85,.4)}
.index-list a{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none}
.index-list a:hover{text-decoration:underline}
.index-list span{display:block;font-family:var(--sans);font-size:15px;letter-spacing:normal;text-transform:none;color:var(--tx2);line-height:1.6}

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

.site-foot{background:var(--bg-alt);padding:0 0 64px;margin-top:0}
.site-foot .rule-top{height:3px;background:var(--acc);border:0;margin:0}
.foot-name{
  grid-column:1/-1;
  font-size:clamp(28px,5.6vw,58px);
  letter-spacing:.22em;
  line-height:1.1;
  margin:44px 0 40px;
}
.foot-nav{grid-column:1/span 5}
.foot-info{grid-column:7/span 6}
.foot-nav ul{list-style:none;margin:0;padding:0}
.foot-nav li{margin-bottom:9px}
.foot-nav a{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--tx)}
.foot-nav a:hover{color:var(--acc);text-decoration:underline}
.foot-info p{font-size:15px;color:var(--tx2);margin-bottom:14px}
.foot-info a{color:var(--acc)}

/* ---------- páginas internas ---------- */

.page-head{padding:84px 0 0}
.page-head h1{
  grid-column:1/-1;
  border-left:3px solid var(--acc);
  padding-left:26px;
  font-size:clamp(26px,4.6vw,50px);
  line-height:1.08;
  letter-spacing:.02em;
  margin:0 0 40px;
}
.page-head h1 span{display:block}
.page-head h1 span:nth-child(2){margin-left:8.33%}
.page-head h1 span:nth-child(3){margin-left:16.66%}

.about-sub{grid-column:1/span 2;margin-top:4px}
.about-body{grid-column:4/span 6;margin-bottom:56px}
.about-body:last-of-type{margin-bottom:0}
.mt{margin-top:38px}

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

@media (min-width:1120px){
  .fig-main{margin-right:-28px}
}

@media (max-width:900px){
  .grid{padding:0 22px;column-gap:20px}
  .s-lg{padding:64px 0}
  .s-sm{padding:40px 0}
  .hero{padding:56px 0 0}
  body{font-size:16px}
  .lead{font-size:19px}

  .brand{grid-column:1/-1}
  .nav{grid-column:1/-1;justify-content:flex-start;gap:8px 18px}

  .hero-title{padding-left:18px;margin-bottom:32px}
  .hero-title h1 span:nth-child(2){margin-left:6%}
  .hero-title h1 span:nth-child(3){margin-left:12%}
  .page-head{padding:48px 0 0}
  .page-head h1{padding-left:18px}
  .page-head h1 span:nth-child(2){margin-left:6%}
  .page-head h1 span:nth-child(3){margin-left:12%}

  .c-1-5,.c-1-6,.c-1-7,.c-1-9,.c-3-7,.c-4-9,.c-5-5,.c-6-7,.c-7-6,.c-8-5,
  .hero-intro,.hero-meta,.fig-main,.fig-detail,.detail-text,
  .about-sub,.about-body,.foot-nav,.foot-info{grid-column:1/-1}

  .hero-meta{margin-top:30px}
  .fig-main{margin:40px 0 0;grid-template-columns:minmax(0,1fr)}
  .fig-main figcaption{writing-mode:horizontal-tb;transform:none;text-align:left;margin-top:12px}
  .detail-text{margin-top:34px}

  .rule-l,.rule-c,.rule-r{grid-column:1/span 6}

  .steps li{padding-left:48px}
  .steps li::before{font-size:21px;top:13px}

  .index-list{columns:1}

  .about-sub{margin-top:0;margin-bottom:0}
  .about-body{margin-bottom:44px}
  .foot-name{margin:32px 0 30px;letter-spacing:.16em}
  .foot-info{margin-top:28px}
}