/* Lonure — hoja de estilo común */

:root{
  --bg:#171514;
  --bg-alt:#201c19;
  --bg-contrast:#ede9e3;
  --ink:#e6e1da;
  --ink-soft:#9a9088;
  --ink-dark:#171514;
  --accent:#f08a24;
  --accent2:#2f7a6e;
  --rhythm:76px;
  --gutter:24px;
  --maxw:1240px;
}

*{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  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:none;border-bottom:1px solid rgba(240,138,36,.45);}
a:hover{border-bottom-color:var(--accent);}

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

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

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

.col-6{grid-column:2 / span 6;}
.col-8{grid-column:2 / span 8;}
.col-10{grid-column:2 / span 10;}
.col-11{grid-column:2 / span 11;}

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

.site-head{
  border-bottom:1px solid rgba(230,225,218,.12);
  background:var(--bg);
}
.site-head .wrap{
  align-items:center;
  padding-top:20px;
  padding-bottom:20px;
  row-gap:12px;
}
.brand{
  grid-column:1 / span 4;
  font-size:19px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  border:0;
}
.brand span{color:var(--accent);}
.site-nav{grid-column:5 / span 8;}
.site-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:6px 22px;
  justify-content:flex-end;
}
.site-nav a{
  color:var(--ink-soft);
  border:0;
  font-size:14px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:4px 0;
  display:inline-block;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--accent);}
.site-nav a[aria-current="page"]{border-bottom:1px solid var(--accent);}

/* ---------- corechek / lomo del libro ---------- */

.spine{
  grid-column:1 / span 1;
  position:relative;
  min-height:100%;
}
.spine::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:2px;
  background:rgba(230,225,218,.14);
}
.spine::after{
  content:"";
  position:absolute;
  left:-4px;top:16px;bottom:16px;
  width:11px;
  background-image:repeating-linear-gradient(
    to bottom,
    var(--accent) 0 3px,
    transparent 3px 20px
  );
  opacity:.85;
}

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

.hero{padding:calc(var(--rhythm) * 1.15) 0 var(--rhythm);}
.hero .wrap{align-items:start;}
.hero-body{grid-column:2 / span 8;}

.kicker{
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent2);
  margin:0 0 18px;
}

h1{
  font-size:clamp(2.4rem,6.1vw,4.25rem);
  line-height:1.03;
  letter-spacing:-.035em;
  font-weight:700;
  margin:0;
  max-width:15ch;
}
h1 .l2{display:block;color:var(--ink-soft);}

.rule-double{
  margin:30px 0 26px;
  height:5px;
  max-width:220px;
  border-top:2px solid var(--accent);
  border-bottom:1px solid rgba(230,225,218,.3);
}

.lede{
  grid-column:2 / span 6;
  font-size:19px;
  color:var(--ink);
  margin:0;
}
.hero .lede{margin-top:0;}

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

section{padding:var(--rhythm) 0;}
.band{background:var(--bg-alt);}

.sec-head{
  grid-column:1 / span 12;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gutter);
  margin-bottom:34px;
}
.sec-num{
  grid-column:1 / span 1;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent2);
  padding-top:4px;
}
.sec-title-wrap{grid-column:2 / span 10;}
.sec-head .line{
  grid-column:1 / span 12;
  height:1px;
  background:rgba(230,225,218,.16);
  margin-top:14px;
}

h2{
  font-size:clamp(1.45rem,2.8vw,2rem);
  line-height:1.2;
  letter-spacing:-.02em;
  font-weight:700;
  margin:0;
}

h3{
  font-size:1.08rem;
  font-weight:700;
  letter-spacing:.01em;
  margin:34px 0 8px;
}

p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}

.intro{
  grid-column:2 / span 8;
  font-size:19px;
  margin-bottom:26px;
}

.text{grid-column:2 / span 6;}
.text-wide{grid-column:2 / span 8;}

.caption{
  font-size:13px;
  line-height:1.55;
  color:var(--ink-soft);
  margin-top:10px;
}

/* ---------- imágenes ---------- */

.fig-main{
  grid-column:7 / span 6;
  margin:0;
}
.fig-main img{width:100%;}

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

ul.checks,ol.steps{
  margin:0 0 18px;
  padding:0;
  list-style:none;
}
ul.checks li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
}
ul.checks li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:12px;height:2px;
  background:var(--accent);
}
ol.steps{counter-reset:st;}
ol.steps li{
  position:relative;
  padding-left:38px;
  margin-bottom:12px;
  counter-increment:st;
}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--accent2);
}

dl.gloss{margin:0;}
dl.gloss dt{
  font-weight:700;
  margin-top:20px;
}
dl.gloss dd{
  margin:4px 0 0;
  color:var(--ink);
}

/* ---------- separador tipográfico ---------- */

.sep{
  grid-column:1 / span 12;
  display:flex;
  justify-content:center;
  gap:10px;
  padding:calc(var(--rhythm) / 2) 0 0;
}
.sep span{
  width:20px;height:2px;
  background:var(--accent);
  display:block;
  opacity:.8;
}

/* ---------- sección contrastada ---------- */

.contrast{
  background:var(--bg-contrast);
  color:var(--ink-dark);
}
.contrast .kicker,.contrast .sec-num{color:#1f5f56;}
.contrast .caption{color:#5f5852;}
.contrast .sec-head .line{background:rgba(23,21,20,.2);}
.contrast a{color:#a8560c;border-bottom-color:rgba(168,86,12,.5);}
.contrast .spine::before{background:rgba(23,21,20,.18);}
.contrast ul.checks li::before{background:#a8560c;}

.fig-detail{
  grid-column:2 / span 5;
  margin:0;
}
.fig-detail img{width:100%;}
.contrast .side-text{grid-column:8 / span 5;}

/* ---------- tarjeta de contacto ---------- */

.contact-block{grid-column:2 / span 8;}
.contact-block .mail{
  font-size:clamp(1.2rem,2.4vw,1.7rem);
  font-weight:700;
  letter-spacing:-.01em;
  display:inline-block;
  margin-top:6px;
}

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

.dropcap::first-letter{
  float:left;
  font-size:4.6rem;
  line-height:.82;
  font-weight:700;
  color:var(--accent);
  padding:6px 12px 0 0;
}

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

.site-foot{
  background:var(--bg);
  border-top:1px solid rgba(230,225,218,.12);
  padding:calc(var(--rhythm) * .7) 0;
  text-align:center;
}
.site-foot .inner{
  grid-column:2 / span 10;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.foot-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.foot-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:8px 0;
}
.foot-nav li + li{border-left:1px solid rgba(230,225,218,.25);}
.foot-nav li a{
  padding:0 14px;
  font-size:14px;
  color:var(--ink-soft);
  border:0;
}
.foot-nav li a:hover{color:var(--accent);}
.foot-mail{font-size:15px;}
.foot-note{
  font-size:13px;
  color:var(--ink-soft);
  max-width:60ch;
  margin:0;
}

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

@media (max-width:980px){
  .fig-main{grid-column:2 / span 11;margin-top:34px;}
  .contrast .side-text{grid-column:2 / span 11;margin-top:28px;}
  .fig-detail{grid-column:2 / span 8;}
}

@media (max-width:760px){
  :root{--rhythm:46px;--gutter:16px;}
  body{font-size:16.5px;}
  .wrap{grid-template-columns:repeat(12,1fr);}
  .spine{display:none;}
  .brand{grid-column:1 / span 12;}
  .site-nav{grid-column:1 / span 12;}
  .site-nav ul{justify-content:flex-start;gap:6px 18px;}
  .hero-body,.lede,.intro,.text,.text-wide,.contact-block,
  .col-6,.col-8,.col-10,.col-11,.fig-main,.fig-detail,
  .contrast .side-text,.site-foot .inner{grid-column:1 / span 12;}
  .sec-num{grid-column:1 / span 12;margin-bottom:6px;}
  .sec-title-wrap{grid-column:1 / span 12;}
  .lede,.intro{font-size:17.5px;}
  .dropcap::first-letter{font-size:3.4rem;}
  .foot-nav ul{gap:6px 0;}
}