/* Distancia Segura — sistema editorial compartido v2 */
:root{
  --bg:#f7f5ef; --panel:#fff; --panel-2:#edeade; --ink:#14181c; --ink-soft:#2a3138;
  --muted:#5b6570; --dim:#7a828c; --line:rgba(20,24,28,.14);
  --copper:#a8551f; --copper-ink:#8c4515; --amber:#f2a900; --amber-ink:#8a5a00;
  --insulator:#2e5f86; --green-ink:#4b7a35; --dark:#14181c;
  --f-display:'Big Shoulders Display',Impact,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;
  --radius:4px;
  --shadow-card:0 2px 8px rgba(20,24,28,.06);
  --shadow-hover:0 12px 32px rgba(20,24,28,.14);
  --transition:cubic-bezier(.4,0,.2,1);
}

/* Modo oscuro */
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f1114; --panel:#1a1d22; --panel-2:#22262c; --ink:#e8e6e0; --ink-soft:#c9cdd2;
  --muted:#8a9098; --dim:#6b737c; --line:rgba(235,230,220,.12);
  --copper:#d4874a; --copper-ink:#e0a15c; --amber:#f2a900; --amber-ink:#f2c94c;
  --insulator:#5a9fc7; --green-ink:#7bb760; --dark:#08090b;
  --shadow-card:0 2px 8px rgba(0,0,0,.3);
  --shadow-hover:0 12px 32px rgba(0,0,0,.4);
}}
:root[data-theme="dark"]{
  --bg:#0f1114; --panel:#1a1d22; --panel-2:#22262c; --ink:#e8e6e0; --ink-soft:#c9cdd2;
  --muted:#8a9098; --dim:#6b737c; --line:rgba(235,230,220,.12);
  --copper:#d4874a; --copper-ink:#e0a15c; --amber:#f2a900; --amber-ink:#f2c94c;
  --insulator:#5a9fc7; --green-ink:#7bb760; --dark:#08090b;
  --shadow-card:0 2px 8px rgba(0,0,0,.3);
  --shadow-hover:0 12px 32px rgba(0,0,0,.4);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s var(--transition),color .3s var(--transition)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}

/* barra de lectura (artículos) */
.reading-progress{position:fixed;top:0;left:0;height:3px;background:var(--amber);z-index:100;width:0;transition:width 60ms linear}

/* línea viva */
.live-line{height:3px;background:linear-gradient(90deg,transparent,var(--copper) 6%,var(--copper) 94%,transparent);position:relative;overflow:hidden}
.live-line .pulse{position:absolute;top:0;left:-80px;width:80px;height:3px;background:linear-gradient(90deg,transparent,var(--amber),transparent);animation:pulse 5s linear infinite}
@keyframes pulse{to{left:100%}}
@media(prefers-reduced-motion:reduce){.live-line .pulse{animation:none;display:none}}

/* barra superior */
.topbar{background:var(--dark);color:#c9ced4;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#e0a15c;transition:color .2s}
.topbar a:hover{color:var(--amber)}
.topbar .tb-links{display:flex;gap:20px;flex-wrap:wrap;align-items:center}

/* toggle oscuro */
.theme-toggle{background:none;border:1px solid rgba(255,255,255,.2);color:#c9ced4;padding:4px 10px;border-radius:var(--radius);cursor:pointer;font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;transition:border-color .2s,color .2s;display:inline-flex;align-items:center;gap:5px}
.theme-toggle:hover{border-color:#e0a15c;color:#e0a15c}
.theme-toggle svg{width:14px;height:14px;fill:currentColor}

/* cabecera */
.masthead{background:var(--bg);border-bottom:1px solid var(--line);transition:background .3s var(--transition)}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;padding-bottom:22px}
.brand svg{display:block;max-width:100%;height:auto}
:root[data-theme="dark"] .brand svg text:first-of-type{fill:var(--ink)}
:root[data-theme="dark"] .brand svg text:last-of-type{fill:var(--copper-ink)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand svg text:first-of-type{fill:var(--ink)}:root:not([data-theme="light"]) .brand svg text:last-of-type{fill:var(--copper-ink)}}
.mast-cta{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--copper);padding:11px 18px;border-radius:var(--radius);white-space:nowrap;transition:background .2s,transform .2s}
.mast-cta:hover{background:var(--copper-ink);transform:translateY(-1px)}

/* nav de categorías */
.catnav{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;transition:background .3s var(--transition),box-shadow .3s}
.catnav.scrolled{box-shadow:0 2px 12px rgba(20,24,28,.1)}
.catnav .wrap{display:flex;gap:0;overflow-x:auto;scrollbar-width:thin}
.catnav a{font-family:var(--f-display);font-weight:700;font-size:15px;letter-spacing:.03em;text-transform:uppercase;padding:14px 11px;white-space:nowrap;border-bottom:3px solid transparent;color:var(--ink-soft);transition:color .2s,border-color .2s}
.catnav a:hover,.catnav a.on{color:var(--copper-ink);border-bottom-color:var(--copper)}

/* hamburguesa móvil */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--ink)}
.nav-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:5px 0;transition:transform .3s,opacity .3s}
.catnav .nav-inner{display:contents}

/* etiquetas */
.kicker,.section-label{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--insulator)}
.tag{display:inline-block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:var(--radius);background:var(--panel-2);color:var(--muted);transition:background .3s}
.tag.ok{background:#e4eddc;color:var(--green-ink)}
.tag.soon{background:#f6ecd0;color:var(--amber-ink)}
:root[data-theme="dark"] .tag.ok{background:rgba(75,122,53,.2)}
:root[data-theme="dark"] .tag.soon{background:rgba(242,169,0,.15)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .tag.ok{background:rgba(75,122,53,.2)}:root:not([data-theme="light"]) .tag.soon{background:rgba(242,169,0,.15)}}

/* animación de entrada */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s var(--transition),transform .6s var(--transition)}
.fade-in.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.fade-in{opacity:1;transform:none;transition:none}}

/* portada: destacado */
.lead{padding:48px 0 40px}
.lead-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:36px;align-items:stretch}
.lead-main{position:relative;background:var(--dark);color:#f7f5ef;border-radius:var(--radius);overflow:hidden;min-height:480px;display:flex;flex-direction:column;justify-content:flex-end;padding:44px;transition:box-shadow .3s var(--transition)}
.lead-main:hover{box-shadow:var(--shadow-hover)}
.lead-main .art{position:absolute;inset:0;opacity:.9;transition:transform 8s var(--transition)}
.lead-main:hover .art{transform:scale(1.03)}
.lead-main .art svg,.lead-main .art img{width:100%;height:100%;object-fit:cover}
.lead-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,28,.05) 10%,rgba(20,24,28,.92) 78%)}
.lead-main .txt{position:relative;z-index:2;max-width:640px}
.lead-main .kicker{color:#e0a15c;margin-bottom:12px}
.lead-main h1{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(38px,5.4vw,68px);line-height:.98;letter-spacing:.005em;margin-bottom:16px}
.lead-main h1 em{font-style:normal;color:var(--amber)}
.lead-main p{font-size:17px;color:#d5d9de;max-width:56ch;margin-bottom:22px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--copper);padding:12px 20px;border-radius:var(--radius);transition:background .2s,transform .2s}
.btn:hover{background:var(--copper-ink);transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid currentColor;color:var(--copper-ink)}
.lead-side{display:flex;flex-direction:column;gap:0;border-top:3px solid var(--ink)}
.side-head{font-family:var(--f-display);font-weight:800;font-size:22px;text-transform:uppercase;padding:14px 0 10px}
.side-item{display:block;padding:18px 0;border-bottom:1px solid var(--line);transition:padding-left .2s}
.side-item:hover{padding-left:6px}
.side-item .section-label{margin-bottom:6px;display:block}
.side-item h3{font-family:var(--f-display);font-weight:700;font-size:23px;line-height:1.12;text-transform:uppercase;margin-bottom:6px;transition:color .2s}
.side-item:hover h3{color:var(--copper-ink)}
.side-item p{font-size:14px;color:var(--muted)}
.side-item .meta{font-family:var(--f-mono);font-size:11px;color:var(--dim);margin-top:8px;display:flex;gap:10px;align-items:center}

/* franja de normas */
.norm-strip{background:var(--panel-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s var(--transition)}
.norm-strip .wrap{display:flex;gap:10px 28px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;font-size:13px;color:var(--muted)}
.norm-strip .t{font-family:var(--f-mono);font-weight:500;color:var(--copper-ink);margin-right:4px}

/* secciones */
.section{padding:56px 0 8px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-top:3px solid var(--ink);padding-top:14px;margin-bottom:26px}
.sec-head h2{font-family:var(--f-display);font-weight:800;font-size:clamp(28px,3.6vw,40px);text-transform:uppercase;line-height:1}
.sec-head .sub{font-size:14px;color:var(--muted);max-width:52ch;margin-top:6px;font-family:var(--f-body);text-transform:none}
.sec-head .more{font-family:var(--f-mono);font-size:12px;color:var(--copper-ink);letter-spacing:.05em;white-space:nowrap;transition:color .2s}
.sec-head .more:hover{color:var(--copper)}

/* tarjetas */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .3s var(--transition),box-shadow .3s var(--transition)}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card .thumb{aspect-ratio:16/9;background:var(--panel-2);position:relative;overflow:hidden;transition:background .3s}
.card .thumb svg,.card .thumb img{width:100%;height:100%;display:block;transition:transform .4s var(--transition)}
.card .thumb img{object-fit:cover}
a.card:hover .thumb svg,a.card:hover .thumb img{transform:scale(1.05)}
.card .thumb .badge{position:absolute;left:12px;top:12px}
.card .body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-family:var(--f-display);font-weight:700;font-size:26px;line-height:1.1;text-transform:uppercase;transition:color .2s}
a.card:hover h3{color:var(--copper-ink)}
.card p{font-size:14.5px;color:var(--muted)}
.card .meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-family:var(--f-mono);font-size:11px;color:var(--dim);display:flex;justify-content:space-between;gap:8px}
.card.placeholder{background:transparent;border-style:dashed;box-shadow:none}
.card.placeholder h3{color:var(--muted)}

/* tira de columnas */
.cols{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.col{padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel);transition:background .3s}
.col .n{font-family:var(--f-mono);font-size:11px;color:var(--copper-ink);letter-spacing:.1em}
.col h3{font-family:var(--f-display);font-weight:800;font-size:23px;text-transform:uppercase;line-height:1.05;margin:8px 0}
.col p{font-size:13.5px;color:var(--muted)}

/* banda de edición */
.edition{background:var(--dark);color:#f7f5ef;margin-top:64px}
.edition .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:56px}
.edition h2{font-family:var(--f-display);font-weight:800;font-size:clamp(34px,4.4vw,54px);line-height:1;text-transform:uppercase;margin:10px 0 14px}
.edition .kicker{color:#e0a15c}
.edition p{color:#c9ced4;max-width:48ch;margin-bottom:22px}
.edition .specs{list-style:none;border-top:1px solid rgba(255,255,255,.18)}
.edition .specs li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:14px}
.edition .specs li span:first-child{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#aab0b8}

/* newsletter + acerca */
.closer{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;padding:64px 0 24px}
.closer h3{font-family:var(--f-display);font-weight:800;font-size:36px;text-transform:uppercase;line-height:1;margin-bottom:12px}
.closer p{color:var(--muted)}
.form-row{display:flex;gap:10px;margin-top:20px}
.form-row input{flex:1;min-width:0;padding:13px 14px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;border-radius:var(--radius);transition:border-color .2s,box-shadow .2s}
.form-row input:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(168,85,31,.15)}
.form-row button{padding:13px 22px;background:var(--copper);color:#fff;border:0;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;border-radius:var(--radius);cursor:pointer;transition:background .2s,transform .2s}
.form-row button:hover{background:var(--copper-ink);transform:translateY(-1px)}
.disclaimer{font-size:12px;color:var(--dim);margin-top:10px}
.form-success{display:none;font-family:var(--f-mono);font-size:13px;color:var(--green-ink);margin-top:12px}
.about-box{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--copper);padding:26px;font-size:14.5px;color:var(--ink-soft);border-radius:var(--radius);transition:background .3s var(--transition)}

/* botón volver arriba */
.back-to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:var(--copper);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,visibility .3s,transform .3s,background .2s;z-index:50;box-shadow:0 4px 16px rgba(20,24,28,.2)}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--copper-ink)}
.back-to-top svg{width:20px;height:20px;fill:currentColor}

/* pie */
.site-footer{background:var(--dark);color:#aab0b8;margin-top:64px;font-size:14px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-top:48px;padding-bottom:36px}
.site-footer h4{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#e0a15c;margin-bottom:14px;font-weight:500}
.site-footer ul{list-style:none;display:grid;gap:8px}
.site-footer a{transition:color .2s}
.site-footer a:hover{color:#fff}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.14);font-family:var(--f-mono);font-size:11px;color:#7f8791}
.site-footer .legal .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;padding-bottom:22px;grid-template-columns:none}
.site-footer .blurb{max-width:36ch;margin-top:14px}

/* artículos */
.art-hero{padding:48px 0 0}
.art-hero .kicker{margin-bottom:14px;display:block}
.art-hero h1{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(38px,6vw,72px);line-height:.98;max-width:18ch;margin-bottom:20px}
.art-hero .byline{font-family:var(--f-mono);font-size:12px;color:var(--dim);padding:16px 0;margin-top:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.art-banner{height:220px;background:var(--dark);position:relative;overflow:hidden;margin-top:30px}
.art-banner svg{width:100%;height:100%;display:block}
.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:22px;font-family:var(--f-mono);font-size:12px;color:var(--copper-ink);transition:color .2s,gap .2s}
.back-link:hover{color:var(--copper);gap:8px}
main.article{padding:36px 0 40px}
article p{font-size:18px;line-height:1.7;color:var(--ink-soft);margin-bottom:22px;max-width:66ch}
article>p:first-of-type::first-letter{font-family:var(--f-display);font-weight:800;font-size:4.2em;float:left;line-height:.82;padding:6px 10px 0 0;color:var(--copper)}
article h2{font-family:var(--f-display);font-weight:800;font-size:30px;text-transform:uppercase;color:var(--ink);margin:46px 0 14px;padding-top:14px;border-top:3px solid var(--ink);line-height:1.05}
article strong{color:var(--ink)}
article ul,article ol{margin:0 0 22px 28px;color:var(--ink-soft);font-size:18px;line-height:1.7}
article li{margin-bottom:8px}
.norm-box,.caution-box{background:var(--panel-2);border:1px solid var(--line);border-left:4px solid var(--copper);border-radius:var(--radius);padding:20px 24px;margin:38px 0;font-size:14.5px;color:var(--muted);transition:background .3s var(--transition)}
.caution-box{border-left-color:var(--amber)}
.norm-box strong,.caution-box strong{color:var(--ink)}
.note{font-size:13px;color:var(--dim);margin-top:40px;padding-top:20px;border-top:1px solid var(--line);line-height:1.6}
.next{background:var(--panel);border-top:3px solid var(--ink);padding:36px 0 8px;margin-top:20px;transition:background .3s var(--transition)}

/* compartir artículo */
.share-bar{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap}
.share-bar span{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.share-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s,background .2s}
.share-btn:hover{color:var(--copper);border-color:var(--copper)}
.share-btn svg{width:16px;height:16px;fill:currentColor}

/* responsivo */
@media(max-width:980px){
  .lead-grid,.edition .wrap,.closer{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cols{grid-template-columns:repeat(2,1fr)}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
  .lead-main{min-height:420px;padding:30px}
}
@media(max-width:620px){
  .wrap,.narrow{padding:0 16px}
  .cards,.cards.two,.cols{grid-template-columns:1fr}
  .site-footer .wrap{grid-template-columns:1fr}
  .topbar .tb-links a:not(.theme-toggle){display:none}
  .mast-cta{display:none}
  .form-row{flex-direction:column}
  .sec-head{flex-direction:column;align-items:flex-start}
  article p{font-size:17px}
  article ul,article ol{font-size:17px}
  /* hamburguesa */
  .nav-toggle{display:block}
  .catnav .wrap{flex-wrap:wrap}
  .catnav .nav-inner{display:none;width:100%;flex-direction:column;padding-bottom:8px}
  .catnav .nav-inner.open{display:flex}
  .catnav .nav-inner a{padding:12px 0;border-bottom:1px solid var(--line)}
  .catnav .nav-inner a:last-child{border-bottom:none}
  .back-to-top{bottom:16px;right:16px;width:40px;height:40px}
}