/* ============================================================
   Unidad · Design System (Kaia)
   Compartido: hk9.net · judahstrength.com · elitelionstrength.com
   Sin frameworks · sin fuentes externas · JS mínimo (menú)
   ============================================================ */
:root{
  --bg:#0a0e14; --bg-2:#101823; --bg-3:#16202e;
  --fg:#e9eff7; --fg-dim:#a3b4c8; --fg-mute:#6d8199;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --accent:#22d3ee; --accent-2:#0e9fb8; --accent-fg:#04121a;
  --ok:#34d399; --warn:#fbbf24;
  --radius:16px; --radius-sm:10px; --radius-pill:999px;
  --maxw:1140px; --gap:clamp(1rem,3vw,2rem);
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
/* Tema por sitio */
body[data-site="hk9"]              { --accent:#22d3ee; --accent-2:#0e9fb8; --accent-fg:#04121a; }
body[data-site="judahstrength"]    { --accent:#f59e0b; --accent-2:#c2740a; --accent-fg:#1a1204; }
body[data-site="elitelion"]        { --accent:#e11d48; --accent-2:#a3123a; --accent-fg:#1a0409; }

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5.2vw,3.5rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.25rem)}
h3{font-size:clamp(1.1rem,2vw,1.3rem)}
p{margin:0 0 1rem;color:var(--fg-dim)}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem)}
section{padding:clamp(3rem,7vw,6rem) 0;border-top:1px solid var(--line)}
section:first-of-type{border-top:0}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:.9rem}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--fg-dim);max-width:60ch}
.muted{color:var(--fg-mute);font-size:.92rem}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(10,14,20,.82);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:-.02em;color:var(--fg);font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}
.nav nav{margin-left:auto;display:flex;gap:1.4rem;align-items:center}
.nav nav a{color:var(--fg-dim);font-size:.95rem;font-weight:500}
.nav nav a:hover{color:var(--fg);text-decoration:none}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--fg);
  border-radius:var(--radius-sm);padding:.45rem .6rem;font-size:1.1rem;line-height:1;cursor:pointer}
@media(max-width:820px){
  .nav nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:.5rem 0}
  .nav nav.open{display:flex}
  .nav nav a{padding:.85rem clamp(1rem,4vw,2rem);width:100%}
  .burger{display:block}
}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.35rem;border-radius:var(--radius-pill);
  font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.18s transform,.18s background}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:var(--accent-fg)}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(3.5rem,9vw,7.5rem) 0}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(60% 55% at 78% 8%, color-mix(in srgb,var(--accent) 16%,transparent), transparent 70%),
    radial-gradient(45% 45% at 12% 92%, color-mix(in srgb,var(--accent) 9%,transparent), transparent 70%);
  pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{max-width:20ch}
.hero .lead{margin-top:1.1rem}

/* ---------- Grids y tarjetas ---------- */
.grid{display:grid;gap:var(--gap);margin-top:2.2rem}
.g-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.g-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;
  transition:.2s border-color,.2s transform}
.card:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-3px)}
.card h3{margin-bottom:.45rem}
.card p{margin:0;font-size:.95rem}
.card .ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:.9rem;
  background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);font-size:1.15rem;font-weight:800}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
  color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  border-radius:var(--radius-pill);padding:.2rem .6rem;margin-bottom:.8rem}

/* ---------- Lista de features ---------- */
ul.checks{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.55rem}
ul.checks li{position:relative;padding-left:1.7rem;color:var(--fg-dim);font-size:.96rem}
ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--gap);margin-top:2.2rem}
.stat{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.4rem}
.stat b{display:block;font-size:clamp(1.6rem,3.5vw,2.2rem);color:var(--fg);letter-spacing:-.03em}
.stat span{font-size:.85rem;color:var(--fg-mute)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(180deg,var(--bg-3),var(--bg-2));border:1px solid var(--line-2);
  border-radius:var(--radius);padding:clamp(1.8rem,4vw,3rem);text-align:center;box-shadow:var(--shadow)}
.cta .btn-row{justify-content:center}

/* ---------- Footer ---------- */
footer.site{border-top:1px solid var(--line);padding:2.5rem 0;color:var(--fg-mute);font-size:.9rem}
footer.site .cols{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:flex-start}
footer.site a{color:var(--fg-dim)}
footer.site .legal{margin-top:1.5rem;padding-top:1.2rem;border-top:1px solid var(--line);font-size:.82rem}

/* ---------- Accesibilidad ---------- */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}