/* Pelozante — hoja de estilo común */

:root{
  --bg:#e8e6e1;
  --bg-alt:#d3d0c9;
  --bg-dark:#2a2a28;
  --sheet:#f1efea;
  --ink:#17171a;
  --ink-2:#6a6862;
  --ink-inv:#e8e6e1;
  --rust:#8c4a2f;
  --steel:#55707a;
  --serif:Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:28px;
  --pad:48px;
  --rhythm:88px;
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.65;
  overflow-x:hidden;
}

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

a{color:var(--rust);text-decoration:underline;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,:focus-visible{outline:2px solid var(--rust);outline-offset:3px}

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

.frame{max-width:1240px;margin:0 auto;padding:40px 40px 0}

.sheet{
  background:var(--sheet);
  border:1px solid var(--rust);
  padding:var(--pad);
  overflow:hidden;
}

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

.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}
.right4{grid-column:9 / span 4}
.right3{grid-column:10 / span 3}

.section{margin-top:var(--rhythm)}

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

.masthead{
  display:flex;
  flex-wrap:wrap;
  gap:16px 32px;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:24px;
}

.brand{
  font-family:var(--serif);
  font-size:20px;
  letter-spacing:.16em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink);
}
.brand:hover{color:var(--rust)}

.nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.nav a{color:var(--ink-2);text-decoration:none;padding-bottom:2px;border-bottom:1px solid transparent}
.nav a:hover{color:var(--rust);border-bottom-color:var(--rust)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--steel)}

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

h1{
  font-size:clamp(2.2rem,4.6vw,3.5rem);
  line-height:1.12;
  font-weight:400;
  margin:0 0 18px;
  letter-spacing:-.01em;
}

h2{
  font-size:clamp(1.4rem,2.4vw,1.95rem);
  line-height:1.22;
  font-weight:400;
  margin:0 0 14px;
}

h3{
  font-style:italic;
  font-size:1.15rem;
  font-weight:400;
  margin:30px 0 8px;
}

p{margin:0 0 22px}
p + p{text-indent:1.6em}

.lead{font-size:1.16rem;line-height:1.6}

.num{
  display:block;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--steel);
  margin-bottom:10px;
}

.kicker{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--steel);
  margin:0 0 14px;
}

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

ul.marks,ol.steps{margin:0 0 22px;padding-left:1.3em}
ul.marks{list-style:none;padding-left:0}
ul.marks li{position:relative;padding-left:1.4em;margin-bottom:10px}
ul.marks li::before{
  content:"—";
  position:absolute;
  left:0;
  color:var(--rust);
}
ol.steps li{margin-bottom:10px;padding-left:.2em}
ol.steps li::marker{color:var(--rust);font-family:var(--sans);font-size:.8em}

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

.card{
  border:1px solid var(--steel);
  padding:18px 20px;
  font-size:15px;
  line-height:1.5;
  background:transparent;
}
.card + .card{margin-top:20px}
.card h3{margin:0 0 10px;font-style:italic;font-size:1rem}
.card p{margin:0 0 12px}
.card p:last-child{margin-bottom:0}

.card dl{margin:0;font-family:var(--sans);font-size:13px;line-height:1.5}
.card dt{
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
  font-size:11px;
  margin-top:12px;
}
.card dt:first-child{margin-top:0}
.card dd{margin:2px 0 0;color:var(--ink);font-family:var(--serif);font-size:15px}
.card dd a{word-break:break-word}

/* ---------- separador con marcas ---------- */

.rule{
  position:relative;
  height:1px;
  background:var(--ink-2);
  opacity:.55;
  margin:var(--rhythm) 0 0;
}
.rule::before,.rule::after{
  content:"";
  position:absolute;
  top:-5px;
  width:1px;
  height:11px;
  background:var(--steel);
}
.rule::before{left:0}
.rule::after{right:0}

/* ---------- bandas ---------- */

.band{
  margin:var(--rhythm) calc(-1 * var(--pad)) 0;
  padding:64px var(--pad);
}
.band--alt{background:var(--bg-alt)}
.band--dark{background:var(--bg-dark);color:var(--ink-inv)}
.band--dark h2,.band--dark h3{color:var(--ink-inv)}
.band--dark .num{color:#9fb3b9}
.band--dark .figure figcaption{color:#a7a49c}
.band--dark .card{border-color:#5f5f5a}
.band--dark .card dt{color:#9fb3b9}
.band--dark .card dd{color:var(--ink-inv)}
.band--dark a{color:#d99a76}

/* ---------- figuras ---------- */

.figure{margin:0}
.figure img{border:1px solid var(--rust);width:100%}
.band--dark .figure img{border-color:#6f6f68}
.figure figcaption{
  font-size:14px;
  line-height:1.5;
  color:var(--ink-2);
  margin-top:12px;
}

.caption-col{
  font-size:14px;
  line-height:1.55;
  color:var(--ink-2);
  border-top:1px solid var(--steel);
  padding-top:12px;
}

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

.foot{
  max-width:1240px;
  margin:0 auto;
  padding:56px 40px 64px;
}
.foot-top{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  align-items:baseline;
}
.foot-name{
  font-size:18px;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.foot hr{
  border:0;
  border-top:1px solid var(--ink-2);
  opacity:.5;
  margin:18px 0;
}
.foot-nav ul{
  list-style:none;
  margin:0 0 14px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.foot-nav a{color:var(--ink-2);text-decoration:none;border-bottom:1px solid transparent}
.foot-nav a:hover{color:var(--rust);border-bottom-color:var(--rust)}
.foot-note{
  font-family:var(--sans);
  font-size:12px;
  line-height:1.6;
  color:var(--ink-2);
  max-width:62ch;
  margin:0;
}

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

@media (max-width:1000px){
  :root{--gap:22px;--pad:34px}
  .frame{padding:32px 28px 0}
  .foot{padding:44px 28px 52px}
}

@media (max-width:820px){
  :root{--rhythm:52px}
  .frame{padding:20px 16px 0}
  .foot{padding:36px 16px 44px}
  .sheet{padding:24px}
  .band{margin-left:-24px;margin-right:-24px;padding:36px 24px}
  .grid{grid-template-columns:1fr;gap:26px}
  .c4,.c5,.c6,.c7,.c8,.c12,.right4,.right3{grid-column:1 / -1}
  body{font-size:17px}
  .masthead{gap:12px}
}