/* Grumasta — marmoleado de papel
   Hoja de estilo única para todas las páginas. */

:root{
  --paper:#f1f2f0;
  --paper-alt:#e3e5e2;
  --ink-block:#141614;
  --text:#171917;
  --text-2:#6a6e6a;
  --green:#2a6b3c;
  --ochre:#8a6a20;
  --step:84px;
  --gutter:24px;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.72;
  overflow-x:hidden;
}

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

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

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

/* ---------- rejilla ---------- */

.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gutter);
  row-gap:0;
}

.band{padding:var(--step) 0;}
.band--alt{background:var(--paper-alt);}
.band--dark{background:var(--ink-block);color:var(--paper);}
.band--dark a{color:#cfe0d3;}
.band--dark :focus-visible{outline-color:var(--paper-alt);}

/* columnas de texto: 7 columnas, desplazadas una a la derecha en cada bloque */
.tcol{grid-column:1 / span 7;}
.tcol--2{grid-column:2 / span 7;}
.tcol--3{grid-column:3 / span 7;}
.tcol--4{grid-column:4 / span 7;}

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

h1,h2,h3{font-family:var(--serif);font-weight:400;text-transform:none;}

h1{
  font-size:clamp(2.05rem,4.6vw,3.3rem);
  line-height:1.14;
  margin:0;
  letter-spacing:-0.005em;
}

h2{
  font-size:clamp(1.5rem,2.5vw,2.05rem);
  line-height:1.24;
  margin:0 0 18px;
}

h3{
  font-family:var(--serif);
  font-style:italic;
  font-size:1.18rem;
  line-height:1.4;
  margin:34px 0 10px;
}

p{margin:0 0 18px;max-width:66ch;}
p:last-child{margin-bottom:0;}

.lead{font-size:1.09rem;}

.label{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.16em;
  line-height:1.5;
  color:var(--text-2);
  margin:0 0 10px;
}

.snum{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.18em;
  color:var(--ochre);
  margin:0 0 14px;
}

.cap{
  font-size:13px;
  line-height:1.6;
  color:var(--text-2);
  margin:14px 0 0;
  max-width:46ch;
}
.band--dark .cap{color:#9aa09a;}

/* ---------- separadores: dos líneas desplazadas ---------- */

.rule{position:relative;height:6px;margin:0 0 26px;}
.rule::before,.rule::after{content:"";position:absolute;height:2px;}
.rule::before{top:0;left:0;width:100%;background:var(--green);}
.rule::after{top:4px;left:24px;width:calc(100% - 24px);background:var(--ochre);}
.band--dark .rule::before{background:#4d8f60;}

/* ---------- cruces de registro ---------- */

.mark{position:absolute;width:20px;height:20px;pointer-events:none;}
.mark::before,.mark::after{content:"";position:absolute;background:var(--text-2);}
.mark::before{left:0;top:9px;width:20px;height:1px;}
.mark::after{top:0;left:9px;width:1px;height:20px;}
.mark--tl{left:-8px;top:-8px;}
.mark--tr{right:-8px;top:-8px;}
.mark--bl{left:-8px;bottom:-8px;}
.mark--br{right:-8px;bottom:-8px;}
.band--dark .mark::before,.band--dark .mark::after{background:#565b56;}

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

.site-head{padding:26px 0 22px;border-bottom:1px solid #d3d6d3;}
.head-inner{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px 32px;justify-content:space-between;}

.brand{
  font-family:var(--serif);
  font-size:1.32rem;
  letter-spacing:0.02em;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{text-decoration:underline;text-underline-offset:4px;}

.site-head nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:6px 22px;
}
.site-head nav a{
  font-size:14px;
  color:var(--text);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.site-head nav a:hover{border-bottom-color:var(--green);}
.site-head nav a[aria-current]{border-bottom-color:var(--green);color:var(--green);}

/* ---------- portada: hero ---------- */

.hero{position:relative;padding:72px 0 76px;}

.hero h1{grid-column:1 / span 9;}
.hero .h1-line{display:block;}
.hero .h1-line--2{position:relative;display:inline-block;}
.hero .h1-line--2::after{
  content:"";position:absolute;
  left:-6px;right:-14px;
  bottom:0.20em;
  height:2px;
  background:var(--green);
}

.hero-body{margin-top:46px;}
.hero-intro{grid-column:1 / span 5;}
.hero-topics{grid-column:8 / span 4;}

.sqlist{list-style:none;margin:0;padding:0;}
.sqlist li{position:relative;padding-left:20px;margin-bottom:9px;font-size:15px;line-height:1.6;}
.sqlist li::before{
  content:"";position:absolute;left:0;top:0.62em;
  width:7px;height:7px;background:var(--green);
}
.sqlist--ochre li::before{background:var(--ochre);}

/* ---------- imagen principal ---------- */

.figure-main{grid-column:3 / span 8;position:relative;}
.figure-main img{width:100%;}
.figure-main .cap{max-width:52ch;}

.figure-frame{position:relative;}

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

.detail-fig{grid-column:1 / span 4;position:relative;align-self:start;}
.detail-fig img{width:100%;}
.detail-text{grid-column:6 / span 6;}

/* ---------- listas en el cuerpo ---------- */

.check{list-style:none;margin:0 0 18px;padding:0;}
.check li{position:relative;padding-left:22px;margin-bottom:10px;}
.check li::before{
  content:"";position:absolute;left:0;top:0.68em;
  width:8px;height:2px;background:var(--ochre);
}

ol.steps{margin:0 0 18px;padding-left:22px;}
ol.steps li{margin-bottom:10px;padding-left:4px;}
ol.steps li::marker{color:var(--ochre);font-size:0.85em;}

dl.terms{margin:0;}
dl.terms dt{font-family:var(--serif);font-style:italic;font-size:1.08rem;margin-top:22px;}
dl.terms dd{margin:4px 0 0;}

/* ---------- página About ---------- */

.about-wrap{position:relative;}
.about-block{grid-column:3 / span 7;position:relative;padding-top:6px;}
.about-block + .about-block{margin-top:56px;}
.about-block .mark--side{left:-64px;top:12px;}

/* ---------- páginas legales ---------- */

.legal-block{grid-column:2 / span 7;}
.legal-block + .legal-block{margin-top:52px;}

/* ---------- contacto ---------- */

.mailrow{font-family:var(--serif);font-size:1.22rem;margin:0 0 8px;}

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

.site-foot{background:var(--ink-block);color:var(--paper);padding:64px 0 54px;}
.site-foot .rule{margin-bottom:36px;}
.foot-a{grid-column:1 / span 7;}
.foot-b{grid-column:8 / span 5;}
.foot-name{font-family:var(--serif);font-size:1.3rem;margin:0 0 10px;}
.foot-a p{color:#c2c7c2;max-width:48ch;font-size:15px;}
.site-foot nav ul{list-style:none;margin:0 0 18px;padding:0;}
.site-foot nav li{margin-bottom:7px;}
.site-foot nav a{color:var(--paper);text-decoration:none;font-size:15px;border-bottom:1px solid #3a3f3a;padding-bottom:1px;}
.site-foot nav a:hover{border-bottom-color:#7fb08d;}
.foot-mail{font-size:15px;color:#c2c7c2;margin:0;}
.foot-mail a{color:#cfe0d3;}
.foot-note{
  grid-column:1 / span 12;
  margin:44px 0 0;
  font-size:12px;
  letter-spacing:0.14em;
  color:#7d827d;
}

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

@media (max-width:960px){
  .tcol,.tcol--2,.tcol--3,.tcol--4{grid-column:1 / span 10;}
  .hero h1{grid-column:1 / span 11;}
  .hero-intro{grid-column:1 / span 7;}
  .hero-topics{grid-column:8 / span 5;}
  .figure-main{grid-column:1 / span 10;}
  .detail-fig{grid-column:1 / span 5;}
  .detail-text{grid-column:7 / span 6;}
  .about-block{grid-column:2 / span 9;}
  .about-block .mark--side{left:-44px;}
  .legal-block{grid-column:1 / span 10;}
  .foot-a{grid-column:1 / span 7;}
  .foot-b{grid-column:8 / span 5;}
}

@media (max-width:720px){
  :root{--step:50px;--gutter:16px;}
  body{font-size:16px;line-height:1.7;}
  .wrap{padding:0 20px;}
  .hero{padding:46px 0 50px;}
  .hero-body{margin-top:34px;}
  .grid > *{grid-column:1 / -1 !important;}
  .hero-topics{margin-top:34px;}
  .about-block + .about-block,
  .legal-block + .legal-block{margin-top:40px;}
  .about-block .mark--side{position:relative;left:0;top:0;display:block;margin-bottom:16px;}
  .detail-text{margin-top:30px;}
  .site-foot{padding:48px 0 40px;}
  .foot-b{margin-top:32px;}
  .foot-note{margin-top:32px;}
  .site-head nav ul{gap:4px 18px;}
  .hero .h1-line--2::after{right:-4px;}
}

@media (max-width:400px){
  .mark--tr,.mark--br{right:-4px;}
  .mark--tl,.mark--bl{left:-4px;}
}