/* Gronervi — hoja de estilos general */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --bg-dark:#20242a;
  --ink:#22201b;
  --ink-soft:#776f62;
  --ink-inv:#f4f0e8;
  --accent:#2c4668;
  --accent-2:#a06a2c;
  --line:rgba(34,32,27,.26);
  --line-inv:rgba(244,240,232,.3);
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:72px;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

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

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.18;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.35rem,2.1vw,1.6rem);margin-bottom:14px}
h3{font-size:1.05rem;margin-bottom:8px}

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

.lead{font-size:1.05rem}
.cap{font-family:var(--sans);font-size:12px;line-height:1.6;color:var(--ink-soft);letter-spacing:.02em}
.num{font-family:var(--serif);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2);display:block;margin-bottom:10px}

/* ---- rejilla ---- */
.g{display:grid;grid-template-columns:repeat(12,1fr)}
.cell{border:1px solid var(--line);margin:0 -1px -1px 0;padding:24px}
.c3{grid-column:span 3}
.c4{grid-column:span 4}
.c5{grid-column:span 5}
.c6{grid-column:span 6}
.c7{grid-column:span 7}
.c8{grid-column:span 8}
.c9{grid-column:span 9}
.c12{grid-column:span 12}

/* ---- separador tejido ---- */
.weave{border:0;margin:0;padding:0;height:9px;background:
  linear-gradient(var(--accent),var(--accent)) top/100% 2px no-repeat,
  linear-gradient(var(--accent-2),var(--accent-2)) bottom/100% 1px no-repeat;
}
.weave--inv{background:
  linear-gradient(var(--ink-inv),var(--ink-inv)) top/100% 2px no-repeat,
  linear-gradient(var(--accent-2),var(--accent-2)) bottom/100% 1px no-repeat;
}

/* ---- cabecera ---- */
.site-head{border-bottom:1px solid var(--line);background:var(--bg)}
.site-head .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 28px;padding-top:18px;padding-bottom:18px}
.brand{font-family:var(--serif);font-size:1.3rem;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--ink)}
.brand:hover{color:var(--accent)}
.site-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px;margin:0;padding:0}
.site-nav a{font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px}
.site-nav a:hover,.site-nav a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent)}

/* ---- portada ---- */
.hero{padding:56px 0 var(--gap)}
.hero h1{grid-column:span 9;padding:34px 0;border-top:2px solid var(--accent);border-bottom:1px solid var(--accent-2)}
.hero-grid{margin-top:34px}
.hero-void{border:1px solid var(--line);margin:0 -1px -1px 0;background:
  repeating-linear-gradient(90deg,transparent 0 13px,rgba(160,106,44,.16) 13px 14px)}
.topics{list-style:none;margin:0;padding:0;font-size:15px;line-height:1.7}
.topics li{padding-left:18px;position:relative;margin-bottom:8px}
.topics li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;background:var(--accent)}
.topics li:last-child{margin-bottom:0}

/* ---- bandas ---- */
.band{padding:var(--gap) 0}
.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 .cap{color:rgba(244,240,232,.72)}
.band--dark a{color:#c9d6e8}
.band--dark .cell{border-color:var(--line-inv)}
.band--dark :focus-visible{outline-color:var(--ink-inv)}
.band-head{margin-bottom:30px}
.band-head .weave{margin-bottom:22px}

.prose{max-width:none}
.prose h3{margin-top:26px}

/* ---- imagen principal ---- */
.figure-grid{margin-top:34px}
.figure-cell{padding:14px}
.figure-cell img{width:100%}
.figure-note{display:flex;flex-direction:column;justify-content:flex-end;gap:10px}

/* ---- listas de comprobación ---- */
.check{display:grid;grid-template-columns:repeat(2,1fr);margin-top:26px}
.check li{list-style:none}
.check .cell{font-size:15.5px;line-height:1.7}
.check .cell::before{content:"";display:block;width:9px;height:9px;background:var(--accent-2);margin-bottom:12px}
.check strong{font-weight:600}

/* ---- sección oscura con imagen de detalle ---- */
.detail-grid{margin-top:8px;align-items:start}
.detail-fig{grid-column:2/span 4;padding:14px;border:1px solid var(--line-inv);margin:0}
.detail-fig img{width:100%}
.detail-fig figcaption{margin-top:10px}
.detail-text{grid-column:7/span 6}

/* ---- sobre el proyecto ---- */
.about-grid{border-top:1px solid var(--line)}
.about-side{grid-column:span 3;border-right:1px solid var(--line);padding:28px 24px 28px 0}
.about-main{grid-column:span 8;grid-column-start:5;padding:28px 0}
.marks{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.6}
.marks li{position:relative;padding-left:18px;margin-bottom:14px;color:var(--ink-soft)}
.marks li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;background:var(--accent-2)}

/* ---- páginas de texto ---- */
.page-head{padding:48px 0 30px}
.page-head h1{padding:26px 0;border-top:2px solid var(--accent);border-bottom:1px solid var(--accent-2);max-width:none}
.page-head .cap{margin-top:16px}
.doc{padding-bottom:var(--gap);max-width:78ch}
.doc h2{margin-top:40px}
.doc ul{padding-left:20px}
.doc li{margin-bottom:8px}

/* ---- pie ---- */
.site-foot{background:var(--bg-alt);border-top:2px solid var(--accent);padding:0 0 40px}
.site-foot .weave{margin-bottom:0}
.foot-grid{margin-top:36px}
.foot-grid .cell{grid-column:span 3;min-height:150px}
.foot-grid h2{font-size:1rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--sans);margin-bottom:14px;color:var(--ink-soft)}
.foot-nav ul{list-style:none;margin:0;padding:0;font-size:15px}
.foot-nav li{margin-bottom:8px}
.foot-note{font-size:14px;line-height:1.7;color:var(--ink-soft)}
.foot-brand{font-family:var(--serif);font-size:1.25rem;letter-spacing:.06em;text-transform:uppercase}

/* ---- adaptación ---- */
@media (max-width:900px){
  :root{--gap:44px}
  body{font-size:16.5px}
  .g{grid-template-columns:1fr}
  .hero{padding-top:36px}
  .hero h1,.c3,.c4,.c5,.c6,.c7,.c8,.c9,.c12{grid-column:1/-1}
  .hero-void{display:none}
  .check{grid-template-columns:1fr}
  .detail-fig,.detail-text{grid-column:1/-1}
  .detail-text{padding-top:6px}
  .about-side{grid-column:1/-1;border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .about-main{grid-column:1/-1;grid-column-start:auto}
  .foot-grid .cell{grid-column:1/-1;min-height:0}
  .site-head .wrap{gap:12px}
}