/* ======== Estilo muy Apple (grises suaves, SF, limpio) ======== */
:root{--bg:#f5f5f7;--fg:#1d1d1f;--muted:#6e6e73;--card:#ffffff;--border:#d2d2d7;--accent:#1d1d1f;--radius:20px;--maxw:740px}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:var(--maxw);margin:0 auto;padding:20px 16px calc(120px + env(safe-area-inset-bottom))}

header{display:flex;align-items:center;justify-content:space-between;margin:8px 0 20px}
h1{font-size:24px;font-weight:700;letter-spacing:-.02em;margin:0}
.tagline{font-size:13px;color:var(--muted);margin-top:4px}

nav .tabs{display:flex;gap:8px;background:#f6f6f7;border:1px solid var(--border);border-radius:999px;padding:6px;box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.tab{padding:9px 14px;border-radius:999px;font-size:14px;color:var(--fg);background:transparent;border:0;cursor:pointer;transition:background .2s,transform .1s;text-decoration:none}
.tab:hover{background:#efeff0}
.tab:active{transform:translateY(1px)}
.tab.active{background:var(--accent);color:#fff}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 2px rgba(0,0,0,.05);padding:18px}
.card:hover{box-shadow:0 6px 16px rgba(0,0,0,.06);transition:box-shadow .2s}

.grid{display:grid;gap:16px}
.socials{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.referidos{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.small{font-size:13px}
.h2{margin:10px 0 0;font-size:20px;font-weight:700}
.h3{margin:8px 0 0;font-size:18px;font-weight:700}

.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:#f7f7f7;border-radius:999px;padding:6px 12px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:10px 16px;font-size:14px;border:1px solid var(--border);background:#fff;color:var(--fg);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.btn.ghost{background:transparent}

.aspect-video{position:relative;width:100%;padding-top:56.25%;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}
.aspect-video>iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.rowhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}

.social{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;min-height:56px}
.social .label{font-weight:600}
.arrow{color:var(--muted)}

.copyright{text-align:center;color:var(--muted);font-size:12px;margin-top:24px}

/* Footer fijo glass */
.sitefooter{position:fixed;left:0;right:0;bottom:0;background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-top:1px solid var(--border);z-index:40}
.sitefooter .inner{max-width:var(--maxw);margin:0 auto;padding:10px 16px calc(14px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:12px}
.sitefooter small{color:#1d1d1f}

/* KPIs */
.kpicards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:14px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px}
.kpi{display:flex;align-items:baseline;gap:8px}
.kpi .num{font-size:22px;font-weight:800;letter-spacing:-.01em}
.kpi .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.kpi-sub{font-size:13px;color:var(--muted)}
.totalkpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:14px}
.totalpill{border:1px solid var(--border);background:#f6f6f7;border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.totalpill .num{font-size:20px;font-weight:800}
.totalpill .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

@media(max-width:380px){.tab{padding:8px 10px;font-size:13px}}
@media(prefers-color-scheme: dark){
  :root{--bg:#0f0f10;--fg:#f5f5f5;--muted:#b5b5b7;--card:#151516;--border:#2a2a2c;--accent:#e5e5e5}
  .tab.active{background:#e5e5e5;color:#000}
  .btn{background:#1a1a1b;color:#f5f5f5;border-color:#2a2a2c}
  .btn.ghost{background:transparent;color:#f5f5f5}
  .sitefooter{background:#0f0f10cc}
}