/* Tobreri — hoja de estilo común */

:root{
  --bg:#f5f0df;
  --bg-alt:#e9e1c9;
  --dark:#2f2a1e;
  --ink:#241f16;
  --muted:#736b55;
  --on-dark:#f5f0df;
  --on-dark-soft:#c9c0a4;
  --accent:#8a6a1f;
  --accent2:#4a6b52;
  --line:#2f2a1e;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{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-underline-offset:3px}
a:hover{color:var(--ink)}

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

.band--dark a:focus-visible{outline-color:var(--on-dark)}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.05;margin:0 0 20px}

h1{font-size:clamp(36px,5.1vw,64px);letter-spacing:-0.01em}
h2{font-size:clamp(25px,2.9vw,34px)}
h3{font-size:20px;line-height:1.2;margin-bottom:12px}

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

.caption{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
.band--dark .caption{color:var(--on-dark-soft)}

.snum{
  display:block;
  font-family:var(--serif);
  font-size:13px;
  line-height:1.4;
  color:var(--accent2);
  letter-spacing:.1em;
  margin:0 0 14px;
}
.band--dark .snum{color:#9dbfa4}

.lede{font-size:19px;line-height:1.7}

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

.site-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 36px;
  padding:22px 44px;
  border-bottom:6px solid var(--line);
  background:var(--bg);
}

.brand{
  font-family:var(--serif);
  font-size:27px;
  line-height:1;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:.01em;
}
.brand:hover{color:var(--accent)}

.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 26px;
  margin:0;
  padding:0;
  font-size:14.5px;
  line-height:1.5;
}
.site-nav a{
  color:var(--ink);
  text-decoration:none;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.site-nav a[aria-current="page"]{color:var(--accent);border-bottom-color:var(--accent)}

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

.hero{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:5px;
  background:var(--line);
  border-bottom:6px solid var(--line);
}
.hero>*{background:var(--bg)}

.hero-title{grid-column:1 / 8;grid-row:1 / 3;padding:60px 44px}
.hero-title h1{margin-bottom:0}

.hero-lede{
  grid-column:8 / 13;
  grid-row:1 / 2;
  background:var(--accent);
  color:var(--on-dark);
  padding:40px 36px;
  font-size:18px;
  line-height:1.65;
}

.hero-mark{
  grid-column:8 / 13;
  grid-row:2 / 3;
  background:var(--dark);
  color:var(--on-dark);
  padding:22px 36px;
  min-height:112px;
  display:flex;
  align-items:flex-end;
}
.hero-mark .caption{color:var(--on-dark-soft)}

.hero-index{
  grid-column:1 / 13;
  grid-row:3 / 4;
  background:var(--bg-alt);
  padding:16px 44px;
}
.hero-index ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:4px 22px;
  margin:0;
  padding:0;
  font-size:14px;
}
.hero-index a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent)}
.hero-index a:hover{color:var(--accent)}

/* ---------- bandas y rejilla ---------- */

.band{
  border-top:6px solid var(--line);
  padding:72px 44px;
}
.band--alt{background:var(--bg-alt)}
.band--dark{background:var(--dark);color:var(--on-dark)}
.band--dark a{color:#d9bd76}
.band--dark a:hover{color:var(--on-dark)}
.band--tight{padding:44px}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:36px;
  row-gap:34px;
}

/* combinaciones de celdas */
.a1{grid-column:1 / 8}
.a2{grid-column:8 / 13}

.b1{grid-column:1 / 5}
.b2{grid-column:5 / 13}

.c1{grid-column:1 / 6}
.c2{grid-column:6 / 9}
.c3{grid-column:9 / 13}

/* ---------- imágenes ---------- */

.figure-main{
  grid-column:1 / 8;
  margin:0;
  border:5px solid var(--line);
  background:var(--bg-alt);
}
.figure-main img{width:100%;aspect-ratio:4 / 3;object-fit:cover}

.figure-note{grid-column:9 / 13;align-self:end}

.detail-fig{grid-column:8 / 13;margin:0}
.detail-fig img{
  width:100%;
  aspect-ratio:4 / 5;
  object-fit:cover;
  border:5px solid var(--on-dark);
}
.detail-fig .caption{margin-top:14px}

.detail-text{grid-column:1 / 7}

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

ul.marks,ol.marks{margin:0;padding:0}
ul.marks{list-style:none}
ul.marks li{position:relative;padding-left:24px;margin-bottom:13px}
ul.marks li::before{
  content:"";
  position:absolute;
  left:0;
  top:.82em;
  width:11px;
  height:2px;
  background:var(--accent);
}
.band--dark ul.marks li::before{background:#d9bd76}

ol.marks{list-style:none;counter-reset:step}
ol.marks li{position:relative;padding-left:34px;margin-bottom:13px;counter-increment:step}
ol.marks li::before{
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  font-family:var(--serif);
  font-size:14px;
  color:var(--accent2);
}
ul.marks li:last-child,ol.marks li:last-child{margin-bottom:0}

.rule{
  border:0;
  border-top:2px solid var(--accent2);
  margin:26px 0;
  width:64px;
}

/* ---------- panel vertical (página Sobre el proyecto) ---------- */

.panel{border-top:6px solid var(--line)}
.panel-part{border-bottom:6px solid var(--line);padding:88px 44px}
.panel-part .inner{grid-column:1 / 8}
.panel--one{background:var(--bg-alt)}
.panel--two{background:var(--dark);color:var(--on-dark);padding:64px 44px}
.panel--two .snum{color:#9dbfa4}
.panel--three{background:var(--bg);padding:76px 44px}

.contact-line{font-family:var(--serif);font-size:22px;line-height:1.4;margin:0 0 8px}

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

.site-foot{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:6px;
  background:var(--line);
  border-top:6px solid var(--line);
}
.foot-a{grid-column:1 / 5;background:var(--bg-alt);padding:38px 32px}
.foot-b{grid-column:5 / 9;background:var(--dark);color:var(--on-dark);padding:38px 32px}
.foot-c{grid-column:9 / 13;background:var(--bg);padding:38px 32px}

.foot-a .brand{font-size:24px}
.foot-b ul{list-style:none;margin:0;padding:0;font-size:14.5px;line-height:2}
.foot-b a{color:var(--on-dark);text-decoration:none;border-bottom:1px solid #7a6f4d}
.foot-b a:hover{border-bottom-color:var(--on-dark)}
.foot-b a:focus-visible{outline-color:var(--on-dark)}
.foot-c a{color:var(--accent)}

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

@media (max-width:1000px){
  .band{padding:60px 30px}
  .band--tight{padding:30px}
  .site-head{padding:20px 30px}
  .hero-title{padding:48px 30px}
  .hero-index{padding:16px 30px}
  .panel-part,.panel--two,.panel--three{padding:60px 30px}

  .a1,.a2,.b1,.b2,.c1,.c2,.c3,
  .figure-main,.figure-note,.detail-fig,.detail-text,
  .panel-part .inner{grid-column:1 / -1}

  .figure-note{align-self:auto}

  .detail-fig{max-width:420px}

  .foot-a,.foot-b,.foot-c{grid-column:1 / -1}
}

@media (max-width:760px){
  body{font-size:16.5px}

  .hero{grid-template-columns:1fr}
  .hero>*{grid-column:1 / -1;grid-row:auto}
  .hero-title{padding:40px 22px}
  .hero-lede{padding:32px 22px}
  .hero-mark{padding:22px 22px;min-height:88px}
  .hero-index{padding:16px 22px}

  .site-head{padding:18px 22px;flex-direction:column;align-items:flex-start;gap:12px}
  .band{padding:48px 22px}
  .band--tight{padding:22px}
  .panel-part,.panel--two,.panel--three{padding:48px 22px}
  .foot-a,.foot-b,.foot-c{padding:30px 22px}

  .grid{row-gap:28px}
  .detail-fig{max-width:100%}
}