/* Acervo — identidad «Estratos» (tema Hueso) */
:root{
  --ground:#F1EFEA; --surface:#FFFFFF; --arena:#D8CDB8; --ink:#17191C; --ink-muted:#565B62;
  --line:#C9C3B6; --inverse:#17191C; --on-inverse:#F1EFEA; --ocre:#B9832B; --ocre-ink:#86601C;
  --sans:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --pad:clamp(20px,5vw,48px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:24px;-webkit-font-smoothing:antialiased}
a{color:var(--ocre-ink)}a:hover{color:var(--ink)}
a:focus-visible{outline:2px solid var(--ocre);outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.label{margin:0 0 16px;font-size:12px;line-height:16px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted)}
.mono{font-family:var(--mono);font-size:14px;line-height:20px}
h1,h2,h3{margin:0}
.display{font-size:48px;line-height:52px;font-weight:700;letter-spacing:-.03em}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;font-weight:600;font-size:15px;text-decoration:none;border-radius:2px;border:1px solid var(--ink)}
.btn-solid{background:var(--ink);color:var(--ground)}.btn-solid:hover{color:var(--ground);background:#2a2d31}
.btn-line{color:var(--ink)}.btn-line:hover{background:var(--ink);color:var(--ground)}

/* Encabezado */
.site-header{border-bottom:1px solid var(--line)}
.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;padding-bottom:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand span{font-weight:700;font-size:26px;letter-spacing:-.04em}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:28px;font-size:15px;font-weight:500}
.nav-links a{color:var(--ink);text-decoration:none}.nav-links a:hover{text-decoration:underline}
.lang{font-family:var(--mono);font-size:13px;color:var(--ink-muted)}
.lang strong{color:var(--ink);font-weight:500}
.lang a{color:var(--ink-muted)}

/* Portada */
.hero{display:flex;flex-wrap:wrap;align-items:flex-end;gap:48px;padding-top:96px;padding-bottom:112px}
.hero-text{flex:999 1 560px;min-width:0}
.hero h1{font-size:clamp(48px,7vw,96px);line-height:1;font-weight:700;letter-spacing:-.035em}
.hero .alt{margin:20px 0 0;font-size:22px;line-height:30px;color:var(--ink-muted)}
.hero .lead{margin:40px 0 0;max-width:560px;font-size:18px;line-height:28px}
.hero .actions{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px}
.hero-mark{flex:1 1 280px;display:flex;justify-content:flex-end}
.hero-mark svg{width:300px;max-width:100%;height:auto}
.hero .label{margin-bottom:28px}

/* Qué hacemos */
.band-arena{background:var(--arena)}
.band-arena .label{color:var(--ink)}
.what{padding-top:80px;padding-bottom:80px}
.what .label{margin-bottom:48px}
.what-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));border-top:1px solid var(--ink)}
.what-grid article{padding:24px 24px 8px 0}
.what-grid h3{margin:12px 0 8px;font-size:28px;line-height:34px;font-weight:600}
.what-grid p{margin:0}

/* Productos */
.products{padding-top:96px;padding-bottom:96px}
.products-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}
.products-head p.note{margin:0;max-width:420px;color:var(--ink-muted)}
.strata{display:flex;flex-direction:column;gap:8px}
.stratum-next{border:1px dashed var(--line);padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;color:var(--ink-muted)}
.stratum-next .row{display:flex;flex-wrap:wrap;align-items:baseline;gap:24px}
.stratum-next .name{font-size:20px;line-height:28px;font-weight:600}
.stratum-next .label{margin:0}
.stratum{background:var(--inverse);color:var(--on-inverse);padding:40px 32px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px}
.stratum .body{flex:999 1 480px;min-width:0}
.stratum .row{display:flex;flex-wrap:wrap;align-items:baseline;gap:24px}
.stratum .name{font-size:48px;line-height:52px;font-weight:700;letter-spacing:-.03em}
.stratum .label{margin:0;color:var(--on-inverse)}
.stratum p{margin:20px 0 0;max-width:620px;font-size:18px;line-height:28px}
.stratum .btn{background:var(--on-inverse);color:var(--ink);border-color:var(--on-inverse)}
.stratum .btn:hover{background:transparent;color:var(--on-inverse)}

/* Socios */
.band-inverse{background:var(--inverse);color:var(--on-inverse)}
.band-inverse .label{color:var(--on-inverse)}
.split{display:flex;flex-wrap:wrap;gap:48px;padding-top:96px;padding-bottom:96px}
.split > :first-child{flex:1 1 360px}
.split > :last-child{flex:1 1 420px}
.prose{display:flex;flex-direction:column;gap:20px;font-size:18px;line-height:28px}
.prose p{margin:0}
.band-inverse .btn{align-self:flex-start;margin-top:8px;color:var(--on-inverse);border-color:var(--on-inverse)}
.band-inverse .btn:hover{background:var(--on-inverse);color:var(--ink)}

/* Empresa */
.facts{margin:0;border-top:1px solid var(--line)}
.facts div{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted)}
.facts dd{margin:0;font-family:var(--mono);font-size:14px}
.facts a{color:var(--ink)}

/* Contacto */
.contact{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px;padding-top:80px;padding-bottom:80px}
.contact a.mail{font-family:var(--mono);font-size:20px;color:var(--ink);word-break:break-all}

/* Pie */
.site-footer{background:var(--inverse);color:var(--on-inverse)}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-top:48px;padding-bottom:48px}
.foot .brand{color:var(--on-inverse)}.foot .brand span{font-size:22px}
.foot p{margin:0;font-size:13px;line-height:18px}

.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--ground);padding:8px 12px;z-index:10}

@media (max-width:600px){
  .hero{padding-top:56px;padding-bottom:72px}
  .hero-mark{justify-content:flex-start}.hero-mark svg{width:160px}
  .display,.stratum .name{font-size:36px;line-height:40px}
  .nav-links{gap:18px}
}