/* AVENOR · guías (artículos SEO). Mismos tokens que /styles.css, sin animaciones ni scripts. */
:root{
  --bg:#0A0B0D;--bg-2:#101216;--panel:#14161B;
  --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.16);
  --ink:#F3F1EC;--muted:#9093A0;--dim:#5E616C;
  --gold:#E4CFA8;--gold-2:#C9AE7C;--red:#D7263D;--green:#3FB27F;
  --serif:"Instrument Serif",Georgia,serif;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  --meta:"Barlow Condensed","Arial Narrow",var(--sans);
  --pad:clamp(16px,5vw,72px);
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
::selection{background:var(--gold);color:#111}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--gold)}
.meta{font-family:var(--meta);font-weight:500;font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* cabecera */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px var(--pad);
  background:rgba(10,11,13,.82);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;flex-direction:column;align-items:flex-start;gap:4px;color:var(--ink);line-height:1;flex:none;text-decoration:none}
.wm{font-family:"Poppins",var(--sans);font-weight:800;font-size:24px;letter-spacing:-.05em;line-height:.8;white-space:nowrap}
.wm svg{display:inline-block;width:.68em;height:.57em;margin:0 .035em 0 .05em;vertical-align:-.012em;fill:currentColor}
.brand small{font-weight:300;font-size:7.5px;letter-spacing:.56em;text-transform:uppercase;padding-left:.15em;opacity:.8}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a{text-decoration:none;transition:color .25s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink)}
@media(max-width:860px){.nav-links{display:none}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:999px;text-decoration:none;
  background:var(--gold);color:#14110B;font-weight:500;font-size:15px;white-space:nowrap;transition:transform .3s var(--ease),background .25s,box-shadow .3s}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn:hover{background:#F1DFBD;transform:translateY(-2px);box-shadow:0 14px 36px -14px rgba(228,207,168,.55)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}

/* artículo */
.art{max-width:760px;margin:0 auto;padding:clamp(28px,6vw,64px) var(--pad) 40px}
.migas{display:flex;flex-wrap:wrap;gap:6px;font-size:13.5px;color:var(--muted);margin-bottom:26px}
.migas a{text-decoration:none}
.migas a:hover{color:var(--ink)}
.migas span[aria-hidden]{color:var(--dim)}
.art h1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,6.4vw,62px);line-height:1.02;letter-spacing:-.015em;margin:12px 0 18px;text-wrap:balance}
.art .lead{font-size:19px;color:#C9C8C4;line-height:1.6;margin-bottom:18px}
.firma{font-size:13.5px;color:var(--muted);padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}

.resumen{background:linear-gradient(180deg,rgba(228,207,168,.08),rgba(228,207,168,.03));border:1px solid rgba(228,207,168,.28);border-radius:18px;padding:22px 24px;margin:0 0 40px}
.resumen .meta{color:var(--gold);display:block;margin-bottom:8px}
.resumen ul{padding-left:20px}
.resumen li+li{margin-top:6px}

.art h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4.4vw,38px);line-height:1.1;margin:52px 0 16px;text-wrap:balance;scroll-margin-top:90px}
.art h3{font-size:19px;font-weight:600;margin:30px 0 10px;letter-spacing:-.01em}
.art p{margin:0 0 18px}
.art ul,.art ol{margin:0 0 20px;padding-left:22px}
.art li{margin:0 0 8px}
.art li::marker{color:var(--gold-2)}
.art p a,.art li a,.art td a{color:var(--gold);text-decoration:underline;text-decoration-color:rgba(228,207,168,.4);text-underline-offset:3px}
.art p a:hover,.art li a:hover{text-decoration-color:var(--gold)}
.art strong{font-weight:600;color:#fff}

.tabla{overflow-x:auto;margin:6px 0 26px;border:1px solid var(--line);border-radius:14px;-webkit-overflow-scrolling:touch}
.tabla table{width:100%;border-collapse:collapse;font-size:15px}
.tabla th,.tabla td{min-width:110px;padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
@media(max-width:560px){.tabla table{font-size:14px}.tabla th,.tabla td{padding:10px 12px}}
.tabla th{font-family:var(--meta);font-weight:500;letter-spacing:.08em;text-transform:uppercase;font-size:13px;color:var(--muted);background:var(--bg-2)}
.tabla tr:last-child td{border-bottom:0}

.nota{border-left:2px solid var(--gold);padding:4px 0 4px 18px;margin:0 0 22px;color:#D8D6D0}
.nota.alerta{border-left-color:var(--red)}

.faq{margin-top:12px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 34px 18px 0;font-weight:500;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:22px;color:var(--gold);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:#C9C8C4;padding-bottom:18px;margin:0}

.cta-band{margin:56px 0 0;padding:32px 28px;border-radius:22px;background:var(--panel);border:1px solid var(--line)}
.cta-band h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4.4vw,38px);line-height:1.1;text-wrap:balance;margin:0 0 10px}
.cta-band p{color:#C9C8C4}
.cta-acc{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}

.fuentes{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.fuentes ol{padding-left:20px}
.fuentes a{color:var(--muted)}

.sigue{margin-top:44px}
.sigue ul{list-style:none;padding:0;display:grid;gap:10px}
.sigue a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:14px;text-decoration:none;transition:border-color .25s,background .25s}
.sigue a:hover{border-color:var(--line-2);background:rgba(255,255,255,.03)}

/* índice de guías */
.hub{max-width:1080px;margin:0 auto;padding:clamp(28px,6vw,64px) var(--pad) 40px}
.hub h1{font-family:var(--serif);font-weight:400;font-size:clamp(42px,7vw,72px);line-height:1;margin:12px 0 16px}
.hub .lead{font-size:19px;color:#C9C8C4;max-width:640px;margin-bottom:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.tarjeta{display:flex;flex-direction:column;gap:10px;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--bg-2);text-decoration:none;transition:border-color .25s,transform .3s var(--ease)}
.tarjeta:hover{border-color:var(--line-2);transform:translateY(-3px)}
.tarjeta h2{font-family:var(--serif);font-weight:400;font-size:26px;line-height:1.1}
.tarjeta p{color:var(--muted);font-size:15px;line-height:1.55}

/* pie */
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 30px;padding:30px var(--pad);border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);margin-top:40px}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}
.foot .wm{font-size:21px}
.soc{display:flex;gap:12px;align-items:center}
.soc a{display:inline-flex;transition:transform .25s}
.soc a:hover{transform:translateY(-2px)}
.foot .soc{order:1;margin-right:auto}
.foot .brand{order:0}
.foot p,.foot nav{order:2}
.soc svg{width:30px;height:30px;border-radius:8px}