/* Brizondindo — hoja de estilos común */

:root{
  --paper:#f1f2f0;
  --paper-alt:#e3e5e2;
  --ink:#171917;
  --ink-soft:#6a6e6a;
  --dark:#141614;
  --accent:#2a6b3c;
  --accent2:#8a6a20;
  --line:#c8ccc7;
  --gap:26px;
  --slab-pad:44px;
  --sec:88px;
  --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(--paper-alt);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

/* ---------- estructura ---------- */

.page{
  max-width:1260px;
  margin:0 auto;
  padding:40px 40px 0;
}

.slab{
  background:var(--paper);
  border:1px solid var(--accent);
  padding:var(--slab-pad);
}

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

.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}
.c12{grid-column:1 / -1}

.sec{margin-top:var(--sec)}

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

.masthead{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 32px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}

.wordmark{
  font-family:var(--serif);
  font-size:20px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
}

.wordmark:hover{color:var(--accent)}

.nav-main ul{
  display:flex;
  flex-wrap:wrap;
  gap:6px 26px;
  margin:0;
  padding:0;
  list-style:none;
}

.nav-main a{
  font-size:13px;
  letter-spacing:.07em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}

.nav-main a:hover,
.nav-main a[aria-current="page"]{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

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

.hero{margin-top:44px}

h1{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(33px,4.6vw,57px);
  line-height:1.1;
  letter-spacing:-.012em;
  margin:0;
  max-width:16ch;
}

.hero-lead{
  margin:22px 0 0;
  font-size:19px;
  max-width:60ch;
}

/* ---------- fichas laterales ---------- */

.card{
  border:1px solid var(--line);
  padding:18px 20px;
}

.card + .card{margin-top:22px}

.card-title{
  font-family:var(--serif);
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent2);
  margin:0 0 12px;
}

.card dl{margin:0;font-size:13.5px;line-height:1.6}
.card dt{
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.card dd{margin:2px 0 12px}
.card dd:last-child{margin-bottom:0}

.card ul{
  margin:0;
  padding:0;
  list-style:none;
  font-size:13.5px;
  line-height:1.6;
}
.card li{padding:6px 0;border-top:1px solid var(--line)}
.card li:first-child{border-top:0;padding-top:0}

/* ---------- tipografía de contenido ---------- */

h2{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(21px,2.1vw,27px);
  line-height:1.28;
  margin:0 0 16px;
}

h3{
  font-family:var(--serif);
  font-weight:700;
  font-size:17px;
  line-height:1.4;
  margin:30px 0 6px;
}

.num{
  display:block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--accent2);
  margin-bottom:8px;
}

p{margin:0 0 18px;max-width:66ch}
p:last-child{margin-bottom:0}

a{color:var(--accent)}
a:hover{color:var(--ink)}

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

.cap{
  font-size:12px;
  line-height:1.55;
  color:var(--ink-soft);
  margin:10px 0 0;
  max-width:34ch;
}

.cap .src{color:var(--accent2)}

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

ul.check,ul.plain{
  list-style:none;
  margin:0 0 18px;
  padding:0;
  max-width:62ch;
}

ul.check li{
  position:relative;
  padding-left:24px;
  margin-bottom:9px;
}

ul.check li::before{
  content:"";
  position:absolute;
  left:0;
  top:.85em;
  width:11px;
  height:1px;
  background:var(--accent);
}

ol.steps{
  margin:0 0 18px;
  padding-left:20px;
  max-width:62ch;
}
ol.steps li{margin-bottom:9px;padding-left:4px}
ol.steps li::marker{color:var(--accent2);font-size:13px}

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

.rule{
  position:relative;
  height:1px;
  background:var(--line);
  border:0;
  margin:var(--sec) 0 0;
}

.rule::before,.rule::after{
  content:"";
  position:absolute;
  top:-5px;
  width:1px;
  height:11px;
  background:var(--accent2);
}
.rule::before{left:0}
.rule::after{right:0}

/* separador con ficha desplazada al margen derecho */
.rule-note{
  margin-top:var(--sec);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
  align-items:center;
}

.rule-note .line{
  grid-column:span 8;
  position:relative;
  height:1px;
  background:var(--line);
}
.rule-note .line::before{
  content:"";
  position:absolute;
  left:0;
  top:-5px;
  width:1px;
  height:11px;
  background:var(--accent2);
}

.rule-note .note{
  grid-column:span 4;
  border:1px solid var(--line);
  padding:12px 16px;
  font-size:12.5px;
  line-height:1.55;
  color:var(--ink-soft);
}

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

.band{
  background:var(--paper-alt);
  margin-left:calc(var(--slab-pad) * -1);
  margin-right:calc(var(--slab-pad) * -1);
  padding:56px var(--slab-pad);
}

/* ---------- sección de contraste ---------- */

.dark{
  background:var(--dark);
  color:var(--paper);
  margin-left:calc(var(--slab-pad) * -1);
  margin-right:calc(var(--slab-pad) * -1);
  padding:70px var(--slab-pad);
}

.dark h2,.dark h3{color:var(--paper)}
.dark .num{color:#b79544}
.dark .cap{color:#9aa09a}
.dark ul.check li::before{background:#5f9c72}
.dark a{color:#8fc09f}
.dark a:hover{color:var(--paper)}
.dark .card{border-color:#3a3f3a}
.dark .card-title{color:#b79544}
.dark .card dt{color:#9aa09a}
.dark .card li{border-top-color:#3a3f3a}

/* ---------- imágenes ---------- */

figure{margin:0}

figure img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--line);
}

.dark figure img{border-color:#3a3f3a}

.fig-main{grid-column:span 5}
.fig-detail{grid-column:span 5}

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

.contact-line{
  font-family:var(--serif);
  font-size:clamp(19px,2vw,24px);
  line-height:1.4;
  margin:0 0 14px;
}

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

.site-footer{
  max-width:1260px;
  margin:0 auto;
  padding:52px 40px 56px;
}

.foot-top{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:8px 24px;
}

.foot-name{
  font-family:var(--serif);
  font-size:17px;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.foot-mail{font-size:14px}

.foot-line{
  height:1px;
  background:var(--line);
  margin:18px 0;
}

.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px 32px;
}

.foot-bottom nav ul{
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
  list-style:none;
}

.foot-bottom nav a{
  font-size:12.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.foot-bottom nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}

.foot-note{
  font-size:12.5px;
  line-height:1.6;
  color:var(--ink-soft);
  max-width:46ch;
  margin:0;
}

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

@media (max-width:1000px){
  :root{--slab-pad:30px;--gap:22px;--sec:64px}
  .page{padding:28px 24px 0}
  .site-footer{padding:40px 24px 44px}
  .c4,.c5,.c6,.c7,.c8,.fig-main,.fig-detail{grid-column:span 12}
  .hero .c4{margin-top:4px}
  .rule-note{display:block}
  .rule-note .line{margin-bottom:18px}
  .rule-note .note{margin-top:0}
  h1{max-width:none}
}

@media (max-width:620px){
  :root{--slab-pad:20px;--sec:52px;--gap:18px}
  body{font-size:16.5px}
  .page{padding:16px 14px 0}
  .site-footer{padding:32px 14px 36px}
  .band{padding:40px var(--slab-pad)}
  .dark{padding:48px var(--slab-pad)}
  .hero{margin-top:32px}
  .nav-main ul{gap:6px 18px}
  .foot-bottom{flex-direction:column}
}