:root{
  --bg:#f2f0ea;
  --bg2:#e5e2d9;
  --ink:#1a1c22;
  --muted:#6e6b64;
  --red:#a82c26;
  --blue:#2a4a6b;
  --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:18px;
  line-height:1.9;
  overflow-x:hidden;
}

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

a{color:var(--red);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}

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

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.3;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.2rem);letter-spacing:-0.01em}
h2{font-size:clamp(1.5rem,2.8vw,2.05rem);margin-bottom:18px}
h3{font-size:clamp(1.15rem,1.9vw,1.35rem);margin:34px 0 8px}

p{margin:0 0 26px}
p:last-child{margin-bottom:0}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 40px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);column-gap:28px}

.col-wide{grid-column:2 / 9}      /* 7 columnas */
.col-main{grid-column:2 / 8}      /* 6 columnas */
.col-shift{grid-column:4 / 10}    /* 6 columnas desplazadas */
.col-narrow{grid-column:3 / 8}    /* 5 columnas */

/* ---------- cabecera ---------- */
.site-head{padding:26px 0 10px;border-top:5px solid var(--ink)}
.head-inner{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 32px}
.brand{font-family:var(--serif);font-size:1.4rem;color:var(--ink);text-decoration:none;letter-spacing:0.02em}
.brand:hover{color:var(--red)}
.site-head nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 24px;margin:0;padding:0}
.site-head nav a{font-size:.94rem;color:var(--ink);text-decoration:none;padding-bottom:3px;border-bottom:2px solid transparent}
.site-head nav a:hover{border-bottom-color:var(--red);color:var(--red)}
.site-head nav a[aria-current="page"]{border-bottom-color:var(--red)}

/* ---------- portada: hero ---------- */
.hero{padding:76px 0 0}
.hero h1{grid-column:1 / 8}
.hero-bar{
  grid-column:11 / 12;
  align-self:start;
  width:9px;
  font-size:clamp(2rem,4.6vw,3.2rem);
  height:2.6em;
  background:var(--blue);
  margin-top:.28em;
}
.hero-intro{grid-column:1 / 6;margin-top:44px;color:var(--muted);font-size:1.06rem}
.hero-intro strong{color:var(--ink);font-weight:600}

/* ---------- bloques de texto ---------- */
.text-block{margin-top:64px}
.text-block:first-of-type{margin-top:72px}

.rule{height:3px;background:var(--red);border:0;margin:0 0 22px}
.rule-2{width:32%}
.rule-3{width:52%;background:var(--blue)}
.rule-4{width:72%}
.rule-5{width:40%;margin-left:auto;background:var(--blue)}

.kicker{font-size:.875rem;color:var(--blue);margin:0 0 6px;letter-spacing:.04em}

ul.marked,ol.marked{list-style:none;margin:0 0 26px;padding:0}
ul.marked li,ol.marked li{position:relative;padding-left:26px;margin-bottom:12px}
ul.marked li::before{content:"";position:absolute;left:0;top:.78em;width:9px;height:3px;background:var(--red)}
ol.marked{counter-reset:step}
ol.marked li{counter-increment:step}
ol.marked li::before{content:counter(step);position:absolute;left:0;top:0;color:var(--blue);font-size:.9rem}

dl.terms{margin:0 0 26px}
dl.terms dt{font-family:var(--serif);font-size:1.12rem;margin-top:22px}
dl.terms dd{margin:2px 0 0}

/* ---------- imagen principal ---------- */
.main-figure{margin:112px 0 0;grid-column:1 / 9}
.main-figure img{width:100%}
.main-figure figcaption{
  margin-top:14px;font-size:14px;line-height:1.6;color:var(--muted);
  text-align:right;max-width:34em;margin-left:auto;
}

/* ---------- franja de fondo alterno ---------- */
.band-alt{background:var(--bg2);margin-top:112px;padding:72px 0 80px}
.band-alt .text-block{margin-top:0}
.band-alt .text-block + .text-block{margin-top:64px}

/* ---------- franja de contraste ---------- */
.band-dark{background:var(--ink);color:var(--bg);margin-top:112px;padding:88px 0 96px}
.band-dark h2,.band-dark h3{color:var(--bg)}
.band-dark a{color:#e6b7b3}
.band-dark .kicker{color:#7e9dbd}
.band-dark ul.marked li::before{background:#c8564f}
.detail-figure{grid-column:2 / 6;margin:0}
.detail-figure img{width:100%}
.detail-figure figcaption{margin-top:12px;font-size:14px;line-height:1.6;color:#a6a29a}
.detail-text{grid-column:7 / 13}
.detail-text .rule{background:#c8564f;width:46%;margin-bottom:22px}

/* ---------- índice de contenidos ---------- */
.index-list{list-style:none;margin:0;padding:0}
.index-list li{border-top:1px solid rgba(26,28,34,.16);padding:16px 0 16px 0}
.index-list li:last-child{border-bottom:1px solid rgba(26,28,34,.16)}
.index-list span{display:block;font-size:.95rem;color:var(--muted);line-height:1.7}
.index-list b{font-family:var(--serif);font-weight:400;font-size:1.12rem}

/* ---------- contacto ---------- */
.contact-block{margin-top:64px;padding-bottom:96px}
.contact-block .mail{font-family:var(--serif);font-size:1.3rem}

/* ---------- páginas interiores ---------- */
.page-head{padding:64px 0 0}
.page-head h1{grid-column:2 / 9}
.page-head .lead{grid-column:2 / 8;margin-top:32px;color:var(--muted)}
.page-head .head-bar{grid-column:10 / 12;height:3px;background:var(--blue);align-self:start;margin-top:22px}
.page-body{padding-bottom:96px}

/* About: columna de 6 desplazada, plaquitas a la izquierda */
.about-row{margin-top:64px}
.about-row .plate{grid-column:1 / 2;height:48px;width:100%;background:var(--red);margin-top:16px}
.about-row .plate.b{background:var(--blue)}
.about-row .plate.c{background:var(--red);height:28px}
.about-row .about-col{grid-column:3 / 9}

/* ---------- pie ---------- */
.site-foot{background:var(--bg2);margin-top:112px;padding:56px 0 64px}
.foot-bar{grid-column:1 / 5;height:6px;background:var(--red);margin-bottom:36px}
.foot-name{grid-column:1 / 8;font-family:var(--serif);font-size:1.9rem;line-height:1.3}
.foot-nav{grid-column:1 / 9;margin-top:16px}
.foot-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 26px;margin:0;padding:0}
.foot-nav a{color:var(--ink);text-decoration:none;font-size:.94rem;border-bottom:1px solid rgba(26,28,34,.35);padding-bottom:2px}
.foot-nav a:hover{color:var(--red);border-bottom-color:var(--red)}
.foot-mail{grid-column:9 / 13;grid-row:2 / 4;align-self:end;text-align:right;font-size:.95rem;color:var(--muted)}
.foot-mail a{color:var(--red)}
.foot-note{grid-column:1 / 9;margin-top:34px;font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- tablet ---------- */
@media (max-width:1000px){
  .wrap{padding:0 32px}
  .grid{column-gap:22px}
  .col-wide,.col-main,.col-shift,.col-narrow{grid-column:1 / 11}
  .hero h1{grid-column:1 / 10}
  .hero-bar{grid-column:12 / 13}
  .hero-intro{grid-column:1 / 9}
  .main-figure{grid-column:1 / 11}
  .detail-figure{grid-column:1 / 6}
  .detail-text{grid-column:6 / 13}
  .page-head h1,.page-head .lead{grid-column:1 / 11}
  .page-head .head-bar{display:none}
  .about-row .about-col{grid-column:2 / 11}
}

/* ---------- móvil ---------- */
@media (max-width:680px){
  body{font-size:17px;line-height:1.85}
  .wrap{padding:0 20px}
  .grid{display:block}
  .hero{padding-top:44px}
  .hero-bar{width:100%;height:6px;font-size:1rem;margin:26px 0 0}
  .hero-intro{margin-top:26px}
  .text-block,.text-block:first-of-type,.about-row{margin-top:40px}
  .main-figure{margin-top:64px}
  .main-figure figcaption{text-align:left;margin-left:0}
  .band-alt,.band-dark{margin-top:64px;padding:48px 0 52px}
  .band-alt .text-block + .text-block{margin-top:40px}
  .detail-figure{margin-bottom:36px}
  .rule-5{margin-left:0}
  .about-row .plate{width:64px;height:6px;margin:0 0 18px}
  .site-foot{margin-top:64px;padding:44px 0 52px}
  .foot-bar{width:60%;margin-bottom:26px}
  .foot-mail{text-align:left;margin-top:22px}
  .contact-block{padding-bottom:56px}
  .page-body{padding-bottom:56px}
}