/* Gevaldo — hoja de estilos común */

:root{
  --paper:#f1f2f0;
  --paper-alt:#e3e5e2;
  --ink:#171917;
  --ink-soft:#6a6e6a;
  --dark:#141614;
  --accent:#2a6b3c;
  --accent2:#8a6a20;
  --maxw:1280px;
  --pad:40px;
  --gutter:24px;
  --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%;}

html,body{max-width:100%;overflow-x:hidden;}

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

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

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

a:focus-visible,
nav a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:1px;}

.band--dark a:focus-visible{outline-color:#9fd3ae;}

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

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:var(--gutter);
}

.c5{grid-column:1 / span 5;}
.c6{grid-column:1 / span 6;}
.c7{grid-column:1 / span 7;}
.c9{grid-column:1 / span 9;}
.c12{grid-column:1 / span 12;}
.c7-right{grid-column:6 / span 7;}
.c5-right{grid-column:8 / span 5;}
.c6-right{grid-column:7 / span 6;}
.c9-right{grid-column:4 / span 9;}

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

.band{padding:120px 0;}
.band--tight{padding:56px 0;}
.band--alt{background:var(--paper-alt);}
.band--dark{background:var(--dark);color:var(--paper);}
.band--dark h2,.band--dark h3{color:var(--paper);}
.band--dark .lede,.band--dark p{color:#c9cdc9;}
.band--dark .cap{color:#8f948f;}
.band--dark a{color:#9fd3ae;}

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

h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;color:var(--ink);}

h1{
  font-size:clamp(40px,6.6vw,86px);
  line-height:1.05;
  letter-spacing:-0.015em;
}
h1 .l1,h1 .l2,h1 .l3{display:block;}
h1 .l2{margin-left:8.33%;}
h1 .l3{margin-left:16.66%;}

h2{
  font-size:clamp(27px,3.2vw,38px);
  line-height:1.15;
  letter-spacing:-0.01em;
  margin-bottom:18px;
}

h3{
  font-size:20px;
  line-height:1.3;
  margin:34px 0 10px;
}

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

.lede{font-size:20px;line-height:1.7;}
.lede--big{font-size:22px;line-height:1.65;}

.cap{
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
  font-family:var(--sans);
}

.num{
  display:block;
  font-size:13px;
  letter-spacing:0.04em;
  color:var(--accent2);
  margin-bottom:12px;
}

strong{font-weight:600;}

/* ---------- separadores ---------- */

.rule{height:3px;background:var(--accent);border:0;margin:0;grid-column:1 / span 4;}
.rule--mid{grid-column:5 / span 4;}
.rule--end{grid-column:9 / span 4;}
.rule--gold{background:var(--accent2);}

/* ---------- cabecera y navegación ---------- */

.site-head{
  border-bottom:1px solid #d3d6d3;
  background:var(--paper);
}
.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
  padding-top:22px;
  padding-bottom:22px;
}
.brand{
  font-family:var(--serif);
  font-size:24px;
  letter-spacing:0.01em;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{text-decoration:none;}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
}
.site-nav a{
  font-size:15px;
  color:var(--ink);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--accent);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent);}

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

.hero{padding:96px 0 0;}
.hero-head{
  grid-column:1 / span 11;
  border-left:3px solid var(--accent);
  padding-left:30px;
}
.hero-intro{grid-column:1 / span 5;margin-top:48px;}
.hero-topics{
  grid-column:1 / span 8;
  margin:26px 0 0;
  padding:0;
  list-style:none;
  font-size:14px;
  color:var(--ink-soft);
  display:flex;
  flex-wrap:wrap;
}
.hero-topics li::after{
  content:"/";
  color:var(--accent);
  margin:0 10px;
}
.hero-topics li:last-child::after{content:"";margin:0;}

.hero-figure{
  grid-column:5 / span 8;
  margin:72px 0 0;
  display:flex;
  align-items:flex-start;
  gap:16px;
}
.hero-figure img{width:100%;}
.hero-figure figcaption{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-size:13px;
  line-height:1.5;
  color:var(--ink-soft);
  max-height:320px;
  flex:0 0 auto;
}

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

.steps{list-style:none;counter-reset:st;margin:26px 0 0;padding:0;}
.steps li{
  counter-increment:st;
  position:relative;
  padding-left:62px;
  margin-bottom:22px;
  line-height:1.75;
}
.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;
  left:0;
  top:1px;
  font-family:var(--serif);
  font-size:28px;
  line-height:1;
  color:var(--accent);
}
.band--dark .steps li::before{color:#9fd3ae;}

.plain{list-style:none;margin:22px 0 0;padding:0;}
.plain li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
  line-height:1.7;
}
.plain li::before{
  content:"";
  position:absolute;
  left:0;
  top:13px;
  width:9px;
  height:3px;
  background:var(--accent);
}
.band--dark .plain li::before{background:#9fd3ae;}

.defs{margin:24px 0 0;}
.defs dt{
  font-family:var(--serif);
  font-size:19px;
  margin-top:20px;
  color:var(--ink);
}
.defs dd{margin:4px 0 0;color:var(--ink);}
.defs dd .unit{color:var(--accent2);}

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

.detail-figure{
  grid-column:1 / span 5;
  margin:0;
}
.detail-figure img{width:100%;}
.detail-figure figcaption{margin-top:14px;font-size:13px;line-height:1.6;color:#8f948f;}
.detail-text{grid-column:7 / span 6;}

/* ---------- bloques de texto desplazados ---------- */

.block + .block{margin-top:56px;}
.side-head{grid-column:1 / span 3;}
.side-body{grid-column:4 / span 6;}

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

.contact-line{font-size:19px;}

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

.site-foot{background:var(--paper-alt);padding:0 0 64px;}
.foot-rule{height:3px;background:var(--accent);border:0;margin:0;}
.foot-name{
  grid-column:1 / span 12;
  font-family:var(--serif);
  font-size:clamp(34px,5vw,62px);
  line-height:1.1;
  margin:48px 0 40px;
}
.foot-nav{grid-column:1 / span 5;}
.foot-nav ul{list-style:none;margin:0;padding:0;}
.foot-nav li{margin-bottom:9px;}
.foot-nav a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;}
.foot-nav a:hover{border-bottom-color:var(--accent);}
.foot-side{grid-column:7 / span 6;}
.foot-side p{margin-bottom:14px;}
.foot-meta{
  grid-column:1 / span 12;
  margin-top:48px;
  padding-top:18px;
  border-top:1px solid #cdd0cd;
  font-size:13px;
  color:var(--ink-soft);
}

/* ---------- páginas internas ---------- */

.page-head{padding:84px 0 0;}
.page-head h1{
  grid-column:1 / span 10;
  font-size:clamp(36px,5.4vw,66px);
  border-left:3px solid var(--accent);
  padding-left:30px;
}
.page-lede{grid-column:1 / span 7;margin-top:36px;}

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

@media (max-width:1000px){
  :root{--pad:32px;--gutter:20px;}
  .c7-right,.c5-right,.c6-right,.c9-right{grid-column:1 / span 12;}
  .c5,.c6,.c7,.c9{grid-column:1 / span 10;}
  .hero-head,.page-head h1{grid-column:1 / span 12;}
  .hero-intro{grid-column:1 / span 8;}
  .hero-figure{grid-column:2 / span 11;}
  .page-lede{grid-column:1 / span 10;}
  .detail-figure{grid-column:1 / span 6;}
  .detail-text{grid-column:8 / span 5;}
  .side-head{grid-column:1 / span 12;}
  .side-body{grid-column:1 / span 10;}
  .foot-nav{grid-column:1 / span 6;}
  .foot-side{grid-column:7 / span 6;}
}

@media (max-width:700px){
  :root{--pad:20px;--gutter:16px;}
  body{font-size:16px;line-height:1.75;}
  .band{padding:64px 0;}
  .band--tight{padding:40px 0;}
  .hero{padding:56px 0 0;}
  .hero-head{padding-left:18px;}
  h1 .l2{margin-left:5%;}
  h1 .l3{margin-left:10%;}
  .c5,.c6,.c7,.c9,.c12,
  .hero-head,.hero-intro,.hero-topics,.hero-figure,
  .detail-figure,.detail-text,
  .side-head,.side-body,
  .foot-nav,.foot-side,
  .page-head h1,.page-lede{grid-column:1 / span 12;}
  .rule,.rule--mid,.rule--end{grid-column:1 / span 7;}
  .hero-figure{margin-top:44px;flex-direction:column;gap:12px;}
  .hero-figure figcaption{
    writing-mode:horizontal-tb;
    transform:none;
    max-height:none;
  }
  .detail-text{margin-top:28px;}
  .page-head{padding:52px 0 0;}
  .page-head h1{padding-left:18px;}
  .lede,.lede--big{font-size:18px;}
  .steps li{padding-left:48px;}
  .steps li::before{font-size:24px;}
  .foot-name{margin:34px 0 28px;}
  .foot-side{margin-top:32px;}
  .site-head .wrap{flex-direction:column;align-items:flex-start;gap:14px;}
}

/* ajuste: encabezados en el margen izquierdo */
.side-head h2{font-size:clamp(23px,2.3vw,29px);margin-bottom:0;}
@media (max-width:700px){.side-head h2{margin-bottom:14px;}}