/* ============================================================
   RANKINIA — Sitio público. Estética "Premium Game" (dark).
   Coincide con el diseño de la app: dark mode, glassmorphism,
   gamificación, sin serif. Fuentes autohospedadas (Ley 21.719).
   ============================================================ */

@font-face { font-family:'Jakarta'; src:url('/assets/fonts/plus-jakarta-sans-latin-800-normal.woff2') format('woff2'); font-weight:800; font-display:swap; }
@font-face { font-family:'Jakarta'; src:url('/assets/fonts/plus-jakarta-sans-latin-700-normal.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'Jakarta'; src:url('/assets/fonts/plus-jakarta-sans-latin-600-normal.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Inter'; src:url('/assets/fonts/inter-latin-400-normal.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'Inter'; src:url('/assets/fonts/inter-latin-500-normal.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'Inter'; src:url('/assets/fonts/inter-latin-600-normal.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Inter'; src:url('/assets/fonts/inter-latin-700-normal.woff2') format('woff2'); font-weight:700; font-display:swap; }

:root{
  --bg:#0B1021; --bg-2:#141A2E; --surface:#1C243D; --surface-2:#232C49;
  --magenta:#FF2E7A; --yellow:#FFC928; --turq:#18D4D8; --purple:#7A3CFF;
  --blue:#3B82F6; --green:#22C55E; --orange:#FB923C; --lightblue:#38BDF8;
  --text:#FFFFFF; --text-2:#A9B2C7; --text-3:#6B7590;
  --border:rgba(255,255,255,0.08); --border-2:rgba(255,255,255,0.14);
  --shadow-sm:0 2px 8px rgba(0,0,0,.25); --shadow:0 8px 30px rgba(0,0,0,.35); --shadow-lg:0 18px 50px rgba(0,0,0,.5);
  --r-lg:24px; --r-md:18px; --r-sm:12px; --r-chip:10px;
  --t:200ms cubic-bezier(.4,0,.2,1); --t-fast:150ms cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;font-size:17px;color:var(--text);
  background:var(--bg);
  background-attachment:fixed;line-height:1.6;letter-spacing:-0.01em;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Jakarta','Inter',sans-serif;font-weight:800;letter-spacing:-0.02em;line-height:1.12}
svg.ph-svg{width:1em;height:1em;display:inline-block;vertical-align:middle;fill:currentColor;flex:none}
a{color:var(--turq);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--text)}
img{max-width:100%}
::selection{background:var(--magenta);color:#fff}
.wrap{max-width:1080px;margin:0 auto;padding:0 1.25rem}
.muted{color:var(--text-2)}

/* ---------- Header (glass sticky) ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(20,26,46,.72);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;gap:1rem;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;line-height:0}
.logo-img{height:30px;width:auto;display:block;filter:brightness(0) invert(1)}
@media (max-width:520px){.logo-img{height:26px}}
.site-nav{display:flex;gap:1.4rem;font-size:.9rem;font-weight:600;align-items:center;flex-wrap:wrap}
.site-nav a{color:var(--text-2)}
.site-nav a:hover{color:var(--text)}
.lang-pick{font-size:.78rem;display:inline-flex;gap:.1rem}
.lang-pick a{color:var(--text-3);padding:.15rem .35rem;border-radius:6px}
.lang-pick a.on{color:var(--text);font-weight:700;background:rgba(255,255,255,.08)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:'Jakarta';font-weight:700;font-size:.95rem;letter-spacing:-0.01em;
  padding:.8rem 1.5rem;border:none;border-radius:var(--r-sm);cursor:pointer;color:#fff;
  background:var(--magenta);box-shadow:0 6px 18px rgba(0,0,0,.35);
  transition:transform var(--t-fast),box-shadow var(--t),background var(--t)}
.btn:hover{background:var(--purple);box-shadow:0 8px 24px rgba(0,0,0,.45);transform:translateY(-2px);color:#fff}
.btn:active{transform:translateY(0) scale(.98)}
.btn.secondary{background:var(--turq);box-shadow:0 6px 18px rgba(0,0,0,.35);color:#04222a}
.btn.secondary:hover{background:var(--turq);color:#04222a}
.btn.ghost{background:rgba(255,255,255,.06);border:1px solid var(--border);box-shadow:none;color:var(--text)}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.big{font-size:1.05rem;padding:.95rem 2.1rem}
.btn svg{width:18px;height:18px}

/* ---------- Hero ---------- */
.hero{padding:5rem 0 4rem;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;padding:.4rem .8rem;border-radius:var(--r-chip);color:var(--yellow);
  background:rgba(255,201,40,.12);border:1px solid rgba(255,201,40,.25);margin-bottom:1.2rem}
.hero-badge svg{width:14px;height:14px}
.hero h1{font-size:clamp(2.4rem,5.5vw,3.9rem);max-width:14ch}
.hero h1 .hl{color:var(--turq)}
.hero p.lead{font-size:1.2rem;color:var(--text-2);max-width:44ch;margin:1.2rem 0 2rem}
.hero .cta-row{display:flex;gap:.9rem;flex-wrap:wrap}
.hero .cta-note{font-size:.8rem;color:var(--text-3);margin-top:1rem;display:flex;align-items:center;gap:.4rem}
.hero .cta-note svg{width:15px;height:15px;color:var(--green)}

/* Demo cards del hero (mock del juego) */
.hero-demo{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1.3rem;box-shadow:var(--shadow-lg)}
.hero-demo .demo-q{font-family:'Jakarta';font-weight:800;font-size:1.05rem;margin-bottom:.2rem}
.hero-demo .demo-meta{font-size:.76rem;color:var(--text-2);margin-bottom:1rem}
.demo-card{display:flex;align-items:center;gap:.85rem;background:var(--surface-2);
  border:1px solid var(--border);border-radius:var(--r-md);padding:.8rem .9rem;font-weight:600;margin-bottom:.6rem;
  box-shadow:var(--shadow-sm);transition:transform var(--t)}
.demo-card:hover{transform:translateX(3px)}
.demo-card .n{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;flex:none;
  border-radius:var(--r-chip);font-family:'Jakarta';font-weight:800;font-size:.8rem;color:#fff;
  background:var(--purple)}
.demo-card.mystery{border-style:dashed;color:var(--text-3);justify-content:center;font-weight:500}
.demo-card.mystery .n{background:rgba(255,255,255,.08);color:var(--text-2)}

/* ---------- Secciones ---------- */
.section{padding:3.5rem 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 2.2rem}
.section-head h2{font-size:clamp(1.8rem,4vw,2.4rem)}
.section-head p{color:var(--text-2);margin-top:.6rem}
.section h2.left{text-align:left;margin-bottom:1.6rem;font-size:1.8rem}

.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}
.feature{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1.6rem;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-2)}
.feature .f-ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:var(--r-md);margin-bottom:1rem}
.feature .f-ico svg{width:26px;height:26px;color:#fff}
.feature h3{font-size:1.15rem;margin-bottom:.5rem}
.feature p{font-size:.92rem;color:var(--text-2)}
.feature .f-step{font-family:'Jakarta';font-weight:800;font-size:.8rem;color:var(--text-3);margin-bottom:.3rem}

/* ---------- Stats gamificadas ---------- */
.stats-band{background:var(--surface);
  border:1px solid var(--border-2);border-radius:var(--r-lg);padding:2.2rem 1.5rem;box-shadow:var(--shadow-lg)}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;text-align:center}
.stat-big .s-val{font-family:'Jakarta';font-weight:800;font-size:clamp(2rem,5vw,2.8rem);
  color:var(--turq)}
.stat-big .s-lbl{font-size:.82rem;color:var(--text-2);margin-top:.3rem}

/* ---------- Categorías ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.9rem}
.cat-card{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:var(--r-md);padding:1.1rem;
  background:var(--surface);box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t);text-align:left;display:block}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cat-card::before{content:"";position:absolute;inset:0;opacity:.10;pointer-events:none;background:var(--cat,transparent)}
.cat-card .cat-ico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-sm);margin-bottom:.6rem}
.cat-card .cat-ico svg{width:24px;height:24px;color:#fff}
.cat-card .cat-name{font-family:'Jakarta';font-weight:700;font-size:1rem;color:var(--text)}
.cat-card .cat-count{font-size:.74rem;color:var(--text-2);margin-top:.15rem}
.c-historia{--cat:var(--purple)} .c-ciencia{--cat:var(--turq)} .c-geografia{--cat:var(--blue)}
.c-cine{--cat:var(--magenta)} .c-deportes{--cat:var(--green)} .c-musica{--cat:var(--yellow)}
.c-arte{--cat:var(--orange)} .c-tecnologia{--cat:var(--lightblue)} .c-futbol{--cat:var(--green)}
.c-naturaleza{--cat:var(--green)} .c-espacio{--cat:var(--purple)}

/* ---------- Listado de rankings ---------- */
.rk-row{display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;border:1px solid var(--border);
  border-radius:var(--r-md);background:var(--surface);margin-bottom:.7rem;
  box-shadow:var(--shadow-sm);transition:transform var(--t),border-color var(--t)}
.rk-row:hover{transform:translateY(-2px);border-color:var(--border-2)}
.rk-row .grow{flex:1;min-width:0}
.rk-row .title a{font-family:'Jakarta';font-weight:700;font-size:1.02rem;color:var(--text)}
.rk-row .title a:hover{color:var(--turq)}
.rk-row .sub{font-size:.8rem;color:var(--text-2);margin-top:.15rem}

/* Tags */
.tag{display:inline-flex;align-items:center;gap:.3rem;font-size:.68rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.05em;padding:.25rem .55rem;border-radius:8px}
.tag svg{width:12px;height:12px}
.tag.ok{background:rgba(34,197,94,.16);color:#4ade80}
.tag.muted{background:rgba(255,255,255,.08);color:var(--text-2)}
.tag.turq{background:rgba(24,212,216,.16);color:var(--turq)}

/* ---------- CTA final ---------- */
.cta-final{text-align:center;background:var(--surface);
  border:1px solid var(--border-2);border-radius:var(--r-lg);padding:3rem 1.5rem;box-shadow:var(--shadow-lg)}
.cta-final h2{font-size:clamp(1.7rem,4vw,2.4rem);max-width:20ch;margin:0 auto .8rem}
.cta-final p{color:var(--text-2);max-width:44ch;margin:0 auto 1.6rem}

/* ---------- Página de ranking (SEO) ---------- */
.rk-hero{padding:3.5rem 0 2rem}
.rk-hero h1{font-size:clamp(1.8rem,4.5vw,2.8rem);max-width:24ch}
.rk-hero .q{font-size:1.2rem;color:var(--text-2);margin:.9rem 0 1.4rem}
.meta-line{font-size:.82rem;color:var(--text-2);margin-bottom:1.6rem;display:flex;gap:.5rem;flex-wrap:wrap}
.items-teaser{max-width:520px;margin:1.75rem 0}
.source-box{background:var(--surface);
  border:1px solid var(--border);border-left:3px solid var(--turq);border-radius:var(--r-md);
  padding:.9rem 1.1rem;font-size:.85rem;color:var(--text-2);margin:1.5rem 0}

/* ---------- Prosa (blog, legales) ---------- */
.prose{max-width:70ch;padding:2.5rem 0 3.5rem}
.prose h1{font-size:2.2rem;margin-bottom:1rem}
.prose h2{font-size:1.45rem;margin:2rem 0 .7rem}
.prose p,.prose ul,.prose ol{margin-bottom:1rem;color:var(--text-2)}
.prose li{margin-left:1.3rem}
.prose a{color:var(--turq)}
.post-meta{font-size:.8rem;color:var(--text-3);margin-bottom:1.75rem}
.blog-card{display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);padding:1.3rem 1.4rem;margin-bottom:.9rem;box-shadow:var(--shadow-sm);transition:transform var(--t),border-color var(--t)}
.blog-card:hover{transform:translateY(-2px);border-color:var(--border-2)}
.blog-card h3{font-size:1.15rem;color:var(--text)}
.blog-card p{font-size:.9rem;color:var(--text-2);margin-top:.3rem}

/* ---------- Footer ---------- */
.site-foot{padding:3rem 0;font-size:.88rem;color:var(--text-2);border-top:1px solid var(--border);margin-top:2rem}
.site-foot .cols{display:flex;gap:3.5rem;flex-wrap:wrap;margin-bottom:1.6rem}
.site-foot .col-title{font-family:'Jakarta';font-weight:700;color:var(--text);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.6rem}
.site-foot a{color:var(--text-2);display:inline-block;padding:.15rem 0}
.site-foot a:hover{color:var(--text)}
.site-foot .brandline{border-top:1px solid var(--border);padding-top:1.4rem;display:flex;align-items:center;gap:.5rem;color:var(--text-3)}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr;gap:2rem}
  .hero-demo{max-width:440px}
  .stats-grid{grid-template-columns:1fr;gap:1.4rem}
}
@media (max-width:640px){.hero{padding:3rem 0 2.5rem}.section{padding:2.5rem 0}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto}}