/* base.css — sistema de diseño compartido (chrome del sitio).
   Lo usan todas las páginas con nav (index, faq, juego, y futuras).
   El CSS específico de cada página va en su propio archivo. */
:root{
  --green:#10B981; --green2:#34D399; --greenDk:#047857; --greenLt:#D1FAE5;
  --ink:#0c1f17; --ink2:#33473e; --muted:#6b7d74;
  --bg:#ffffff; --bg2:#f3fbf7; --card:#ffffff; --line:#e4f0ea;
  --shadow:0 18px 50px rgba(16,185,129,.12);
  --ubi:#10B981; --crush:#E63946; --previa:#FF6B35; --datos:#0077B6;
  --pisos:#8B5CF6; --noti:#FFBE0B; --afi:#7B3F00;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;line-height:1.6;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:inherit;text-decoration:none}
/* a11y */
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--green);color:#fff;
  padding:11px 18px;border-radius:0 0 12px 0;font-weight:800;box-shadow:var(--shadow)}
.skip:focus{left:0}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.band{background:#f5faf8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band.green{background:linear-gradient(180deg,#f0fbf6,#eefaf3);border:0}
body::before{content:"";position:fixed;top:0;left:0;right:0;height:640px;z-index:-1;pointer-events:none;
  background:radial-gradient(720px 420px at 80% -10%,rgba(52,211,153,.16),transparent 62%),
             radial-gradient(560px 360px at 0% 0%,rgba(16,185,129,.08),transparent 60%)}

/* NAV (compartido) */
nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(12px);
  background:rgba(255,255,255,.75);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px}
.logo{width:34px;height:34px;border-radius:10px;position:relative;
  background:radial-gradient(circle at 32% 30%,var(--green2),var(--greenDk));
  box-shadow:0 8px 22px rgba(16,185,129,.45)}
.logo::after{content:"";position:absolute;inset:0;border-radius:10px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.logo::before{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;border-radius:50%;
  transform:translate(-50%,-50%);background:#fff;z-index:2}
nav .spacer{flex:1}
nav .links{display:flex;gap:22px;color:var(--ink2);font-size:14.5px;font-weight:600}
nav .links a:hover{color:var(--green)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:11px 17px;
  font-weight:800;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:.2s;font-family:inherit}
.btn-primary{background:linear-gradient(120deg,var(--green),var(--green2));color:#fff;
  box-shadow:0 10px 26px rgba(16,185,129,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(16,185,129,.5)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.burger{display:none;background:#fff;border:1px solid var(--line);border-radius:11px;width:44px;height:44px;
  font-size:19px;cursor:pointer;color:var(--ink)}
@media(max-width:760px){
  .burger{display:grid;place-items:center}
  nav .wrap{gap:8px}
  nav .links{position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
    padding:6px 22px 12px;display:none;box-shadow:var(--shadow)}
  nav .links.open{display:flex}
  nav .links a{padding:13px 2px;border-bottom:1px solid var(--line);font-size:16px}
}

/* Section headers (compartidos) */
section{padding:92px 0}
section.wrap{padding-block:92px}
.kicker{display:inline-block;color:var(--greenDk);font-weight:700;letter-spacing:1.6px;font-size:12px;text-transform:uppercase;
  background:var(--greenLt);padding:5px 11px;border-radius:999px;margin-bottom:14px}
h1,h2,h3{font-weight:800}
h2{font-size:clamp(28px,4.2vw,44px);letter-spacing:-1px;line-height:1.08;margin:0 0 14px}
.sub{color:var(--ink2);max-width:600px;font-size:17px;line-height:1.55;margin:0}
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* FOOTER (compartido) */
footer.pro{border-top:1px solid var(--line);background:#fff;margin-top:34px}
footer.pro .cols{max-width:1140px;margin:0 auto;padding:42px 22px 18px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px}
@media(max-width:760px){footer.pro .cols{grid-template-columns:1fr 1fr}}
@media(max-width:460px){footer.pro .cols{grid-template-columns:1fr}}
footer.pro h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin:0 0 12px}
footer.pro a{display:block;color:var(--ink2);padding:4px 0;font-size:14.5px}
footer.pro a:hover{color:var(--green)}
footer.pro .about{color:var(--muted);font-size:14px;max-width:300px;margin:12px 0 0}
footer.pro .bot{border-top:1px solid var(--line);max-width:1140px;margin:0 auto;padding:16px 22px;color:var(--muted);
  font-size:13px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}

@media(max-width:600px){
  .wrap{padding:0 16px}
  section{padding:56px 0}
  section.wrap{padding-block:56px}
}