/* Nirvogile — tessera-modules
   Fondo carbón, verde frío y blanco. Mosaico de módulos en 12 columnas. */

:root{
  --bg:#181a19;
  --bg-alt:#202422;
  --bg-contrast:#eef0ee;
  --ink:#e6e9e6;
  --ink-soft:#8f9691;
  --ink-dark:#181a19;
  --ink-dark-soft:#4c534f;
  --accent:#5fae86;
  --accent2:#d8c07a;
  --seam:4px;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{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:1.72;
  overflow-x:hidden;
}

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

a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(95,174,134,.45);}
a:hover{border-bottom-color:var(--accent);}

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

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

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

h1,h2,h3{font-family:var(--serif);font-weight:400;text-transform:none;margin:0;}
h1{font-size:clamp(2rem,5.2vw,3.35rem);line-height:1.1;letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem,3.1vw,2.05rem);line-height:1.2;margin-bottom:16px;}
h3{font-size:1.2rem;font-style:italic;line-height:1.35;margin:0 0 8px;}

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

.label{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent2);
  margin:0 0 14px;
  display:block;
}
.label--soft{color:var(--ink-soft);}

.lead{font-size:1.08rem;color:var(--ink);}
.muted{color:var(--ink-soft);}

.caption{
  font-size:13px;
  line-height:1.55;
  color:var(--ink-soft);
  margin:0;
}

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

.site-head{
  border-bottom:var(--seam) solid var(--bg-alt);
  padding:20px 0;
}
.head-row{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:16px 28px;
}
.brand{
  font-family:var(--serif);
  font-size:1.42rem;
  color:var(--ink);
  border:0;
  letter-spacing:.01em;
}
.brand:hover{color:var(--accent);}
.brand .dot{color:var(--accent);}

.site-nav{margin-left:auto;}
.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
}
.site-nav a{
  color:var(--ink-soft);
  font-size:14px;
  letter-spacing:.06em;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{
  color:var(--ink);
  border-bottom-color:var(--accent);
}

/* ---------- mosaico ---------- */

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

.tile{
  background:var(--bg-alt);
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-width:0;
}
.tile--plain{background:var(--bg);padding:0;}
.tile--fill-a{background:var(--accent);padding:0;}
.tile--fill-b{background:var(--accent2);padding:0;}
.tile--fill-c{background:#2b322e;padding:0;}
.tile--img{padding:0;background:var(--bg-alt);}
.tile--img img{width:100%;}

/* héroe */

.hero{padding:56px 0 0;}
.hero .tile{padding:32px;}
.h-title{grid-column:span 8;grid-row:span 2;justify-content:flex-end;}
.h-title h1{max-width:22ch;}
.h-a{grid-column:span 2;grid-row:span 1;}
.h-b{grid-column:span 2;grid-row:span 1;}
.h-c{grid-column:span 2;grid-row:span 1;}
.h-d{grid-column:span 2;grid-row:span 1;}
.h-intro{grid-column:span 4;grid-row:span 2;justify-content:flex-start;}
.h-img{grid-column:span 6;grid-row:span 3;grid-column-start:3;}
.h-note{grid-column:span 4;justify-content:flex-end;}
.h-strip{grid-column:span 4;}

.hero-meta{
  display:flex;
  gap:10px;
  align-items:center;
  margin-top:18px;
  color:var(--ink-soft);
  font-size:13px;
}
.hero-meta span{display:inline-block;width:10px;height:10px;background:var(--accent2);}

/* franjas separadoras */
.sep-top{margin-top:72px;}
.sep-bottom{margin-bottom:48px;}
.cap-pad{padding:16px 18px;}

.tiles-row{
  display:flex;
  flex-wrap:wrap;
  gap:var(--seam);
  margin:0;
  padding:0;
}
.tiles-row i{
  display:block;
  width:24px;
  height:24px;
  background:var(--bg-alt);
}
.tiles-row i:nth-child(3n+1){background:var(--accent);}
.tiles-row i:nth-child(5n+3){background:var(--accent2);}
.tiles-row i:nth-child(4n+2){background:var(--bg);}

.sep{padding:0;margin:0;}

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

.band{padding:96px 0;}
.band--alt{background:var(--bg-alt);}
.band--alt .tile{background:var(--bg);}
.band--alt .tile--fill-a{background:var(--accent);}
.band--alt .tile--fill-b{background:var(--accent2);}
.band--alt .tile--fill-c{background:#2b322e;}

.band--contrast{
  background:var(--bg-contrast);
  color:var(--ink-dark);
  padding:96px 0;
}
.band--contrast h2,.band--contrast h3{color:var(--ink-dark);}
.band--contrast .muted,.band--contrast .caption{color:var(--ink-dark-soft);}
.band--contrast .label{color:#8a7530;}
.band--contrast a{color:#2f6b4d;border-bottom-color:rgba(47,107,77,.45);}
.band--contrast .mosaic{background:var(--bg-contrast);}
.band--contrast .tile{background:#e2e6e2;}
.band--contrast .tile--plain{background:var(--bg-contrast);}
.band--contrast .tile--img{background:#e2e6e2;}
.band--contrast .tiles-row i{background:#dadedb;}
.band--contrast .tiles-row i:nth-child(3n+1){background:var(--accent);}
.band--contrast .tiles-row i:nth-child(5n+3){background:var(--accent2);}
.band--contrast .tiles-row i:nth-child(4n+2){background:var(--bg-contrast);}

.band-head{max-width:62ch;margin:0 0 40px;}

/* anchuras de módulo */
.m1{grid-column:span 1;}
.m3{grid-column:span 3;}
.m4{grid-column:span 4;}
.m5{grid-column:span 5;}
.m6{grid-column:span 6;}
.m7{grid-column:span 7;}
.m8{grid-column:span 8;}
.m12{grid-column:span 12;}
.tall{grid-row:span 2;}

.detail-img{grid-column:span 5;grid-column-start:2;}
.detail-text{grid-column:span 6;}

/* listas prácticas */

ul.check,ol.steps{margin:0;padding:0;list-style:none;}
ul.check li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
}
ul.check li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:10px;height:10px;
  background:var(--accent);
}
ol.steps{counter-reset:s;}
ol.steps li{
  position:relative;
  padding-left:44px;
  margin-bottom:16px;
  counter-increment:s;
}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent2);
  padding-top:.45em;
}

dl.defs{margin:0;}
dl.defs dt{
  font-family:var(--serif);
  font-style:italic;
  font-size:1.1rem;
  margin-top:22px;
}
dl.defs dt:first-child{margin-top:0;}
dl.defs dd{margin:6px 0 0;color:var(--ink-soft);}
.band--contrast dl.defs dd{color:var(--ink-dark-soft);}

.tile p+h3{margin-top:22px;}

.num{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent2);
  display:block;
  margin-bottom:10px;
}

/* páginas internas */

.page-head{padding:64px 0 0;}
.page-head .tile{padding:32px;}
.p-title{grid-column:span 8;}
.p-mark{grid-column:span 2;}
.p-mark2{grid-column:span 2;}

.prose h2{margin-top:0;}
.prose h3{margin-top:26px;}

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

.site-foot{
  background:var(--bg);
  padding:0 0 56px;
  border-top:var(--seam) solid var(--bg-alt);
  margin-top:96px;
}
.foot-tiles{padding:28px 0 var(--seam);}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--seam);
}
.foot-grid > div{
  background:var(--bg-alt);
  padding:26px;
  min-width:0;
}
.foot-grid h2{
  font-size:1.15rem;
  margin:0 0 10px;
}
.foot-grid ul{list-style:none;margin:0;padding:0;}
.foot-grid li{margin-bottom:6px;}
.foot-grid a{color:var(--ink-soft);border-bottom-color:transparent;font-size:15px;}
.foot-grid a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.foot-grid .mail{color:var(--accent);border-bottom-color:rgba(95,174,134,.45);}
.foot-note{font-size:14px;color:var(--ink-soft);}

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

@media (max-width:980px){
  .band,.band--contrast{padding:72px 0;}
  .hero{padding:40px 0 0;}
  .h-title{grid-column:span 12;grid-row:auto;}
  .h-intro{grid-column:span 12;grid-row:auto;}
  .h-a,.h-b,.h-c,.h-d{grid-column:span 3;min-height:56px;}
  .h-img{grid-column:span 12;grid-column-start:1;grid-row:auto;}
  .h-note,.h-strip{grid-column:span 6;}
  .m3,.m4,.m5,.m6,.m7,.m8{grid-column:span 12;}
  .m1{grid-column:span 12;min-height:44px;}
  .tall{grid-row:auto;}
  .detail-img,.detail-text{grid-column:span 12;grid-column-start:1;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:640px){
  body{font-size:16px;}
  .band,.band--contrast,.site-foot{padding-top:48px;padding-bottom:48px;}
  .site-foot{margin-top:48px;}
  .band-head{margin-bottom:28px;}
  .tile,.hero .tile,.page-head .tile{padding:22px;}
  .wrap{padding:0 18px;}
  .head-row{gap:12px;}
  .site-nav{margin-left:0;width:100%;}
  .site-nav ul{gap:6px 16px;}
  .h-a,.h-b,.h-c,.h-d{grid-column:span 6;min-height:44px;}
  .h-note,.h-strip{grid-column:span 12;}
  .p-title,.p-mark,.p-mark2{grid-column:span 12;}
  .p-mark,.p-mark2{min-height:44px;}
  .foot-grid{grid-template-columns:1fr;}
  .tiles-row i{width:18px;height:18px;}
}