/* Trosego — hoja de estilo común */

:root{
  --bg:#181a19;
  --bg-alt:#202422;
  --bg-contrast:#eef0ee;
  --text:#e6e9e6;
  --muted:#8f9691;
  --ink:#181a19;
  --accent:#5fae86;
  --accent-ink:#2c6549;
  --accent2:#d8c07a;
  --line:#2f3533;
  --line-light:#c9cfc9;
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  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);}

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

.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto;}

.g12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}

.c6{grid-column:1 / span 6;}
.c7{grid-column:1 / span 7;}
.c8{grid-column:1 / span 8;}
.c9{grid-column:1 / span 9;}

h1,h2,h3{margin:0 0 .6em;font-weight:700;}

h1{
  font-size:clamp(2.35rem,6.2vw,4.15rem);
  line-height:1.04;
  letter-spacing:-.035em;
}
h1 .h1-b{display:block;padding-left:8.3333%;}

h2{
  font-size:clamp(1.45rem,2.6vw,1.95rem);
  line-height:1.2;
  letter-spacing:-.015em;
}

h3{font-size:1.1rem;line-height:1.35;letter-spacing:-.005em;}

p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}

.lead{font-size:1.15rem;color:#d4d9d4;}

.caption,.sec-num,.eyebrow{
  font-size:13px;
  line-height:1.55;
  color:var(--muted);
  letter-spacing:.02em;
}

.sec-num,.eyebrow{
  color:var(--accent2);
  text-transform:uppercase;
  letter-spacing:.2em;
  display:block;
  margin-bottom:.9em;
}

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

.site-head{border-bottom:1px solid var(--line);}
.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px 32px;
  padding:22px 0 20px;
}
.brand{
  font-size:1.12rem;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text);
  border-bottom:none;
}
.brand:hover{color:var(--accent);}
.site-nav{margin-left:auto;}
.site-nav ul{display:flex;flex-wrap:wrap;gap:8px 26px;margin:0;padding:0;list-style:none;}
.site-nav a{
  font-size:14.5px;
  color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover{color:var(--text);border-bottom-color:var(--accent);}

/* ---------- ritmo de secciones ---------- */

.r-a{padding:72px 0;}
.r-b{padding:88px 0;}
.r-c{padding:104px 0;}
.band{background:var(--bg-alt);}

/* ---------- separador doble ---------- */

.sep{position:relative;border-top:1px solid var(--line);height:3px;margin-bottom:34px;}
.sep::after{content:"";position:absolute;left:0;top:0;width:16.6667%;height:3px;background:var(--accent);}

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

.hero{padding:78px 0 0;}
.hero-inner{position:relative;padding-left:34px;}
.hero-rule{
  position:absolute;left:0;top:6px;bottom:14px;
  width:1px;background:linear-gradient(var(--accent),rgba(95,174,134,.15));
}
.hero-rule::before,.hero-rule::after{
  content:"";position:absolute;left:-6px;width:13px;height:1px;background:var(--accent);
}
.hero-rule::before{top:0;}
.hero-rule::after{bottom:0;}

.dim-h{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  margin:34px 0 30px;
  max-width:820px;
}
.dim-h i{position:relative;display:block;height:1px;background:var(--line-light);opacity:.45;}
.dim-h i::before,.dim-h i::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--accent2);}
.dim-h i:first-of-type::before{left:0;}
.dim-h i:first-of-type::after{right:0;}
.dim-h i:last-of-type::before{left:0;}
.dim-h i:last-of-type::after{right:0;}
.dim-h span{
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent2);
  white-space:nowrap;
}

/* ---------- figura principal ---------- */

.figure-main{margin:56px 0 0;}
.figure-main .fig-img{grid-column:1 / span 7;margin:0;}
.figure-main .fig-note{
  grid-column:9 / span 4;
  position:relative;
  align-self:end;
  padding-bottom:6px;
}
.figure-main .fig-note::before{
  content:"";position:absolute;left:-42px;top:12px;width:36px;height:1px;background:var(--accent2);
}
.figure-main .fig-note p{color:var(--muted);font-size:13px;line-height:1.65;}

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

ul.marks,ol.steps{margin:0 0 1.2em;padding:0;list-style:none;}
ul.marks li{position:relative;padding-left:24px;margin-bottom:.6em;}
ul.marks li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:3px;background:var(--accent);
}
ol.steps{counter-reset:st;}
ol.steps li{position:relative;padding-left:38px;margin-bottom:.75em;counter-increment:st;}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:.1em;
  font-size:13px;letter-spacing:.1em;color:var(--accent2);
}

.note{color:var(--muted);font-size:15px;}

.data{margin:26px 0 0;padding:22px 0 0;border-top:1px solid var(--line);}
.data dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 22px;font-size:15.5px;}
.data dt{color:var(--accent2);font-size:13px;letter-spacing:.1em;text-transform:uppercase;padding-top:4px;}
.data dd{margin:0;}

/* ---------- sección clara ---------- */

.section--light{background:var(--bg-contrast);color:var(--ink);}
.section--light .sec-num{color:var(--accent-ink);}
.section--light .caption{color:#5c635e;}
.section--light .sep{border-top-color:var(--line-light);}
.section--light a{color:var(--accent-ink);border-bottom-color:rgba(44,101,73,.4);}
.section--light ul.marks li::before{background:var(--accent-ink);}
.section--light .note{color:#5c635e;}

.detail-grid{align-items:start;}
.detail-grid .fig-detail{grid-column:1 / span 4;margin:0;}
.detail-grid .fig-detail figcaption{margin-top:12px;font-size:13px;line-height:1.6;color:#5c635e;}
.detail-grid .detail-text{grid-column:6 / span 6;}

/* ---------- about ---------- */

.rail{position:relative;padding-left:30px;}
.rail::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--line);}
.rail section{position:relative;margin-bottom:52px;}
.rail section:last-child{margin-bottom:0;}
.rail section::before{content:"";position:absolute;left:-30px;top:14px;width:16px;height:1px;background:var(--accent);}

/* ---------- páginas de texto ---------- */

.doc h2{margin-top:46px;}
.doc h2:first-of-type{margin-top:34px;}
.doc h3{margin-top:30px;}

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

.site-foot{position:relative;border-top:1px solid var(--line);padding:56px 0 30px;}
.site-foot::before{content:"";position:absolute;left:0;top:4px;width:16.6667%;height:3px;background:var(--accent);}
.foot-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:30px 24px;}
.foot-brand{grid-column:1 / span 6;}
.foot-brand p{color:var(--muted);font-size:15px;max-width:36ch;}
.foot-name{
  font-size:1.7rem;font-weight:700;letter-spacing:-.02em;margin:0 0 .5em;
}
.foot-col{grid-column:span 3;}
.foot-col h2{
  font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent2);
  margin:0 0 14px;font-weight:600;
}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{margin-bottom:8px;}
.foot-col a{color:var(--muted);border-bottom-color:transparent;font-size:15px;}
.foot-col a:hover{color:var(--text);border-bottom-color:var(--accent);}
.foot-base{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);}
.foot-base p{font-size:13px;color:var(--muted);}

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

@media (max-width:900px){
  .wrap{width:calc(100% - 36px);}
  .g12{gap:20px;}
  .c6,.c7,.c8,.c9{grid-column:1 / -1;}
  .r-a,.r-b,.r-c{padding:52px 0;}
  .hero{padding-top:48px;}
  h1 .h1-b{padding-left:0;}
  .figure-main{margin-top:38px;}
  .figure-main .fig-img,.figure-main .fig-note{grid-column:1 / -1;}
  .figure-main .fig-note{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}
  .figure-main .fig-note::before{display:none;}
  .detail-grid .fig-detail,.detail-grid .detail-text{grid-column:1 / -1;}
  .detail-grid .detail-text{margin-top:26px;}
  .foot-brand,.foot-col{grid-column:1 / -1;}
  .foot-base{margin-top:34px;}
  .sep{margin-bottom:26px;}
  .dim-h{margin:26px 0 24px;}
}

@media (max-width:620px){
  body{font-size:16.5px;}
  .r-a,.r-b,.r-c{padding:44px 0;}
  .site-head .wrap{padding:18px 0;}
  .site-nav{margin-left:0;width:100%;}
  .site-nav ul{gap:8px 20px;}
  .dim-h{grid-template-columns:1fr auto;gap:12px;}
  .dim-h i:last-of-type{display:none;}
  .dim-h span{white-space:normal;}
  .data dl{grid-template-columns:1fr;gap:2px;}
  .data dt{padding-top:12px;}
  .rail{padding-left:22px;}
  .rail section::before{left:-22px;width:12px;}
}