:root{
  /* Ajusta a la paleta real de FOR Human Capital */
  --primary:#0B0B0B;
  --accent:#1E73BE;     /* azul corporativo (sustituir por el real) */
  --accent-2:#00A651;   /* acento local sutil (Sonora) solo para hovers */
  --bg:#ffffff;
  --muted:#6b7280;
  --line:#e5e7eb;
  --maxw:1180px;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.06);
  --transition:150ms ease;
}

html,body{margin:0;padding:0;background:var(--bg);color:var(--primary);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Header */
.header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;color:inherit}
.subbrand{display:block;font-size:12px;color:#9ca3af}
.subbrand .ally{color:inherit;text-decoration:underline}
.subbrand .ally:hover{opacity:.85}
.menu{display:flex;align-items:center;gap:16px}
.menu a{padding:8px 10px;border-radius:8px}
.menu a.is-active{background:#f7f7f7}
.btn{display:inline-block;padding:12px 18px;border-radius:999px;border:1px solid #111;background:#111;color:#fff;font-weight:600;transition:transform var(--transition)}
.btn:hover{transform:translateY(-1px)}
.btn-alt{background:#fff;color:#111;border-color:#ddd}
.btn-outline{background:#fff;color:var(--primary);border:1px solid #ddd}
#themeToggle{border:1px solid #ddd;border-radius:999px;background:#fff;height:36px;width:36px;cursor:pointer}

/* Hero */
.hero{position:relative;min-height:72vh;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;filter:contrast(1.05) saturate(1.02)}
.hero-content{padding:96px 0;text-align:center}
h1{font-size:clamp(36px,6vw,66px);line-height:1.06;margin:0 0 12px;font-weight:700;letter-spacing:-0.02em}
.lead{font-size:clamp(18px,2.2vw,22px);color:var(--muted);margin:0 auto 26px;max-width:780px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.kpi{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:18px 0 0;padding:0;list-style:none;color:#374151}
.kpi li{background:rgba(255,255,255,.7);backdrop-filter:blur(4px);border:1px solid var(--line);border-radius:999px;padding:8px 12px}

/* Logos / confianza */
.logos{padding:56px 0}
.logo-strip{display:flex;gap:36px;flex-wrap:wrap;align-items:center;opacity:.85}
.logo-strip img{filter:grayscale(100%) contrast(1.05)}

/* Secciones */
section{padding:72px 0}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{grid-column:span 4;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px}
.muted{color:var(--muted)}
.link-arrow{font-weight:600}
.link-arrow:hover{color:var(--accent-2)}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.points{margin:14px 0 0;padding-left:18px;color:#495057}
.points li{margin:6px 0}
.elev{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.gap-top{margin-top:18px}
.center{text-align:center}

/* Footer con co-firma */
.footer{padding:60px 0;border-top:1px solid var(--line);color:#6b7280}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-logos{display:flex;align-items:center;gap:10px}
.foot-logos .divider{color:#9ca3af}
.ally-grey img{filter:grayscale(100%);opacity:.8;transition:opacity var(--transition)}
.ally-grey img:hover{opacity:1}
.tiny{font-size:12px;color:#9ca3af}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--transition), transform var(--transition)}
.reveal.in{opacity:1;transform:translateY(0)}

/* Dark mode */
:root[data-theme="dark"]{
  --bg:#0E0E10;
  --primary:#EDEDED;
  --muted:#a1a1aa;
  --line:#232326;
  --accent:#6AA9FF;
  --accent-2:#5DDB9C;
}
:root[data-theme="dark"] .header{background:rgba(14,14,16,.9)}
:root[data-theme="dark"] .menu a.is-active{background:#17171a}
:root[data-theme="dark"] .card{background:#121214;border-color:#1e1e22}
:root[data-theme="dark"] .kpi li{background:rgba(18,18,20,.7);border-color:#1e1e22}

/* Responsive */
@media (max-width:960px){
  .grid{grid-template-columns:1fr 1fr}
  .card{grid-column:span 1}
  .split{grid-template-columns:1fr}
}
@media (max-width:640px){
  .grid{grid-template-columns:1fr}
}