/* Napemiste — hoja de estilos común */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --bg-dark:#20242a;
  --ink:#22201b;
  --ink-soft:#776f62;
  --ink-inv:#f4f0e8;
  --accent:#2c4668;
  --accent-2:#a06a2c;
  --maxw:1160px;
  --gap:24px;
}

*{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:18px;
  line-height:1.9;
  overflow-x:hidden;
}

h1,h2,h3{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:400;
  line-height:1.3;
  letter-spacing:0.01em;
  margin:0 0 0.6em;
}

h1{font-size:2.35rem;}
h2{font-size:1.7rem;}
h3{font-size:1.2rem;}

p{margin:0 0 1.6em;}
p:last-child{margin-bottom:0;}

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;
}

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

/* ---------- estructura ---------- */

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

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

.axis{position:relative;}
.axis::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:1px;
  background:rgba(44,70,104,0.28);
  pointer-events:none;
}

.pad-64{padding-top:64px;padding-bottom:64px;}
.pad-80{padding-top:80px;padding-bottom:80px;}
.pad-96{padding-top:96px;padding-bottom:96px;}

.band-alt{background:var(--bg-alt);}

.band-dark{
  background:var(--bg-dark);
  color:var(--ink-inv);
}
.band-dark h2,.band-dark h3{color:var(--ink-inv);}
.band-dark a{color:#c8d6ea;}
.band-dark .caption,.band-dark .lead-note{color:#b3aa9b;}
.band-dark .num{color:#c79a5e;}
.band-dark .rule-arc{border-top-color:rgba(199,154,94,0.55);}
.band-dark a:focus-visible{outline-color:#c8d6ea;}

.centered{text-align:center;}

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

.site-head{
  border-bottom:1px solid rgba(119,111,98,0.28);
  background:var(--bg);
}
.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:baseline;
  justify-content:center;
  padding-top:22px;
  padding-bottom:22px;
  text-align:center;
}

.brand{
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.35rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{text-decoration:none;color:var(--accent);}

.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:6px 22px;
}
.site-nav a{
  font-size:0.92rem;
  letter-spacing:0.04em;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover{border-bottom-color:var(--accent);color:var(--accent);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--accent-2);}

/* ---------- separador en arco ---------- */

.rule-arc{
  grid-column:5 / span 4;
  height:56px;
  border-top:1px solid rgba(160,106,44,0.6);
  border-left:1px solid transparent;
  border-right:1px solid transparent;
  border-radius:50% 50% 0 0 / 56px 56px 0 0;
}

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

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

.hero h1{
  grid-column:2 / span 10;
  text-align:center;
  margin-bottom:28px;
}
.hero .hero-lead{
  grid-column:4 / span 6;
  text-align:center;
  color:var(--ink);
  font-size:1.06rem;
}
.hero .side-l{grid-column:2 / span 3;}
.hero .side-r{grid-column:9 / span 3;}
.hero .side-l,.hero .side-r{
  margin-top:44px;
  font-size:0.95rem;
  line-height:1.8;
  color:var(--ink-soft);
}
.hero .side-l{text-align:right;}

.eyebrow{
  display:block;
  font-size:0.78rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--accent-2);
  margin-bottom:10px;
}

.figure-main{
  grid-column:1 / span 12;
  margin:56px 0 0;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.figure-main img{
  width:100%;
  max-width:680px;
  border:1px solid rgba(119,111,98,0.3);
}
.caption{
  margin-top:14px;
  font-size:0.875rem;
  line-height:1.7;
  color:var(--ink-soft);
  text-align:center;
  max-width:560px;
}

/* ---------- bloques de contenido ---------- */

.sec-head{
  grid-column:3 / span 8;
  text-align:center;
  margin-bottom:8px;
}
.sec-head p{color:var(--ink-soft);font-size:1rem;}

.num{
  font-family:Georgia,"Times New Roman",serif;
  font-size:0.95rem;
  letter-spacing:0.18em;
  color:var(--accent-2);
  display:block;
  margin-bottom:8px;
}

.pair-l{grid-column:2 / span 4;}
.pair-r{grid-column:8 / span 4;}

.narrow-7{grid-column:2 / span 7;}
.narrow-6{grid-column:4 / span 6;}
.full-10{grid-column:2 / span 10;}

.list{
  margin:0 0 1.6em;
  padding:0;
  list-style:none;
}
.list li{
  position:relative;
  padding-left:26px;
  margin-bottom:14px;
  line-height:1.8;
}
.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:0.85em;
  width:12px;
  height:1px;
  background:var(--accent);
}
.list li:last-child{margin-bottom:0;}

ol.list{counter-reset:step;}
ol.list li{padding-left:34px;}
ol.list li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  width:auto;height:auto;background:none;
  top:0;
  font-family:Georgia,"Times New Roman",serif;
  font-size:0.85rem;
  letter-spacing:0.08em;
  color:var(--accent-2);
}

.def dt{
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.05rem;
  margin-top:22px;
}
.def dd{
  margin:6px 0 0;
  color:var(--ink);
}

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

.detail-fig{grid-column:2 / span 4;}
.detail-fig img{
  width:100%;
  border:1px solid rgba(244,240,232,0.18);
}
.detail-text{grid-column:7 / span 5;}

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

.site-foot{
  background:var(--bg-alt);
  padding-bottom:56px;
}
.site-foot .arc-block{margin-bottom:34px;}
.foot-inner{text-align:center;}
.foot-brand{
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.2rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.foot-nav ul{
  list-style:none;margin:0 0 20px;padding:0;
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:6px 0;
}
.foot-nav li{display:flex;align-items:center;}
.foot-nav li + li::before{
  content:"";
  display:inline-block;
  width:1px;height:12px;
  background:rgba(119,111,98,0.5);
  margin:0 16px;
}
.foot-nav a{
  color:var(--ink);
  text-decoration:none;
  font-size:0.92rem;
  border-bottom:1px solid transparent;
}
.foot-nav a:hover{border-bottom-color:var(--accent);color:var(--accent);}
.foot-mail{margin-bottom:12px;}
.foot-note{
  font-size:0.875rem;
  line-height:1.8;
  color:var(--ink-soft);
  max-width:620px;
  margin:0 auto;
}

/* ---------- páginas interiores ---------- */

.page-head h1{
  grid-column:2 / span 10;
  text-align:center;
}
.page-head .page-sub{
  grid-column:4 / span 6;
  text-align:center;
  color:var(--ink-soft);
  font-size:1rem;
}

.doc-body{grid-column:4 / span 6;}
.doc-wide{grid-column:3 / span 8;}

/* ---------- adaptación ---------- */

@media (max-width:900px){
  body{font-size:17px;line-height:1.85;}
  h1{font-size:1.95rem;}
  h2{font-size:1.45rem;}
  .pad-64,.pad-80,.pad-96{padding-top:52px;padding-bottom:52px;}
  .hero h1,.hero .hero-lead,.hero .side-l,.hero .side-r,
  .sec-head,.pair-l,.pair-r,.narrow-7,.narrow-6,.full-10,
  .detail-fig,.detail-text,.doc-body,.doc-wide,
  .page-head h1,.page-head .page-sub{
    grid-column:1 / -1;
  }
  .hero .side-l{text-align:left;margin-top:34px;}
  .hero .side-r{margin-top:24px;}
  .figure-main{margin-top:40px;}
  .rule-arc{grid-column:1 / -1;height:44px;border-radius:50% 50% 0 0 / 44px 44px 0 0;}
  .pair-r,.detail-text{margin-top:26px;}
  .axis::before{display:none;}
}

@media (max-width:560px){
  body{font-size:16.5px;}
  .wrap{padding:0 18px;}
  h1{font-size:1.68rem;}
  .pad-64,.pad-80,.pad-96{padding-top:40px;padding-bottom:40px;}
  .site-head .wrap{padding-top:18px;padding-bottom:18px;}
  .site-nav ul{gap:4px 16px;}
  .foot-nav li + li::before{margin:0 10px;}
}

/* utilidades de ritmo vertical entre filas */
.row-sep-l{margin-top:34px;}
.row-sep-m{margin-top:30px;}
.row-sep-s{margin-top:26px;}
.row-sep-xs{margin-top:20px;}