/* MinerOS Hub — Learning Experience (guias.html). Móvil primero. */
.ln-hero{position:relative;overflow:hidden}
.ln-hero-grid{display:grid;gap:34px;align-items:center}
.ln-hero h1{font-family:var(--display);font-size:clamp(2.1rem,7vw,3.6rem);line-height:1.02;letter-spacing:-.02em;margin:10px 0 14px;text-transform:uppercase}
.ln-hero h1 span{color:var(--gold)}
.ln-hero .intro{max-width:52ch}
.ln-hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ln-viz{position:relative;width:100%;max-width:420px;margin:0 auto;aspect-ratio:1}
.ln-viz svg{width:100%;height:100%;overflow:visible}
.ln-viz .nd{opacity:0;animation:lnIn .7s cubic-bezier(.16,1,.3,1) forwards}
.ln-viz .ln1{stroke-dasharray:3 5;animation:lnFlow 2.4s linear infinite}
.ln-viz .fan{transform-box:fill-box;transform-origin:center;animation:lnSpin 9s linear infinite}
@keyframes lnIn{to{opacity:1}}
@keyframes lnFlow{to{stroke-dashoffset:-32}}
@keyframes lnSpin{to{transform:rotate(360deg)}}

/* progreso */
.ln-prog{display:grid;gap:14px;padding:18px;border:1px solid var(--border);border-radius:16px;background:var(--card);margin-top:26px}
.ln-prog-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px}
.ln-prog-top b{font-family:var(--display);font-size:1.5rem}
.ln-prog-top b i{font-style:normal;color:var(--text-muted);font-size:.9rem;font-family:var(--mono)}
.ln-prog-top span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.ln-bar{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.ln-bar i{height:6px;border-radius:3px;background:var(--border);transition:background .5s,box-shadow .5s}
.ln-bar i.on{background:var(--gold);box-shadow:0 0 12px -2px var(--gold)}
.ln-prog-note{font-size:.82rem;color:var(--text-muted);margin:0}
.ln-prog-note button{background:none;border:0;color:var(--gold);cursor:pointer;font:inherit;padding:0;text-decoration:underline;text-underline-offset:3px}

/* etapa / quiz */
.ln-stage{display:grid;gap:10px;margin-top:20px;max-width:880px}
.ln-stage button{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;text-align:left;padding:16px 18px;min-height:64px;border:1px solid var(--border);border-radius:14px;background:var(--card);color:inherit;cursor:pointer;font:inherit;transition:border-color .25s,background .25s,transform .3s cubic-bezier(.16,1,.3,1)}
.ln-stage button em{font-style:normal;font-family:var(--mono);font-size:.72rem;color:var(--gold);opacity:.55}
.ln-stage button strong{display:block;font-family:var(--display);font-size:1rem;font-weight:600}
.ln-stage button small{display:block;color:var(--text-muted);font-size:.82rem;margin-top:2px}
.ln-stage button u{text-decoration:none;font-family:var(--mono);font-size:.78rem;color:var(--gold);opacity:0;transition:opacity .25s}
.ln-stage button:hover{border-color:var(--border-gold);transform:translateY(-2px)}
.ln-stage button.on{border-color:var(--gold);background:var(--gold-glow)}
.ln-stage button.on u{opacity:1}
.ln-route{margin-top:18px;padding:18px;border:1px solid var(--border-gold);border-radius:16px;background:var(--gold-glow)}
.ln-route h4{font-family:var(--display);font-size:1rem;margin:0 0 12px}
.ln-route ol{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:r}
.ln-route li{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;font-size:.9rem}
.ln-route li b{font-family:var(--mono);font-size:.72rem;color:var(--gold)}
.ln-route li a{color:inherit;text-decoration:none}
.ln-route li a:hover{color:var(--gold)}
.ln-route li em{font-style:normal;font-family:var(--mono);font-size:.7rem;color:var(--text-muted)}

/* filtros + búsqueda */
.ln-tools{display:grid;gap:12px;margin:22px 0 20px}
.ln-search{position:relative}
.ln-search input{width:100%;padding:14px 16px 14px 42px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);font:inherit;font-size:.95rem}
.ln-search input:focus{outline:none;border-color:var(--gold)}
.ln-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-muted);fill:none;stroke-width:1.7}
.ln-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.ln-chips::-webkit-scrollbar{display:none}
.ln-chips button{flex:0 0 auto;padding:9px 15px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text-2);font:inherit;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:.2s}
.ln-chips button:hover{border-color:var(--border-gold);color:var(--gold)}
.ln-chips button.on{background:var(--gold);border-color:var(--gold);color:#0a0a0c}

/* tarjetas */
.ln-grid{display:grid;gap:16px}
.ln-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:18px;background:var(--card);overflow:hidden;transition:transform .34s cubic-bezier(.16,1,.3,1),border-color .25s,box-shadow .34s}
.ln-card:hover{transform:translateY(-4px);border-color:var(--border-gold);box-shadow:0 22px 46px -28px rgba(0,0,0,.75)}
.ln-card.hide{display:none}
.ln-viz-s{position:relative;height:112px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.ln-viz-s svg{position:absolute;inset:0;width:100%;height:100%}
.ln-viz-s .fl{stroke-dasharray:3 5;animation:lnFlow 2.4s linear infinite;animation-play-state:paused}
.ln-card:hover .ln-viz-s .fl{animation-play-state:running}
.ln-viz-s .pop{opacity:0;transition:opacity .3s}
.ln-card:hover .ln-viz-s .pop{opacity:1}
.ln-num{position:absolute;top:12px;left:16px;font-family:var(--display);font-size:1.6rem;line-height:1;color:var(--gold);opacity:.5}
.ln-state{position:absolute;top:14px;right:14px;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;padding:4px 8px;border-radius:999px;border:1px solid var(--border);color:var(--text-muted);background:var(--card)}
.ln-state[data-s="prog"]{color:var(--gold);border-color:var(--border-gold)}
.ln-state[data-s="done"]{color:#0a0a0c;background:var(--gold);border-color:var(--gold)}
.ln-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 16px}
.ln-cat{font-family:var(--mono);font-size:.63rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:9px}
.ln-card h3{font-family:var(--display);font-size:1.14rem;line-height:1.25;margin:0 0 8px}
.ln-card p{margin:0 0 16px;font-size:.87rem;line-height:1.6;color:var(--text-2);flex:1}
.ln-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.ln-meta span{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);border-radius:999px;padding:4px 9px}
.ln-acts{display:flex;gap:8px;align-items:center;padding-top:13px;border-top:1px solid var(--border)}
.ln-acts a,.ln-acts button{font:inherit;font-family:var(--mono);font-size:.74rem;padding:9px 14px;border-radius:999px;cursor:pointer;text-decoration:none;transition:.2s;min-height:38px;display:inline-flex;align-items:center}
.ln-acts button{background:transparent;border:1px solid var(--border);color:var(--text-2)}
.ln-acts button:hover{border-color:var(--gold);color:var(--gold)}
.ln-acts a{flex:1;justify-content:center;background:var(--gold-glow);border:1px solid var(--border-gold);color:var(--gold)}
.ln-acts a:hover{background:var(--gold);color:#0a0a0c;border-color:var(--gold)}
.ln-empty{border:1px dashed var(--border);border-radius:16px;padding:40px 20px;text-align:center;color:var(--text-muted)}

/* roadmap */
.ln-road{display:grid;gap:0;margin-top:24px}
.ln-cp{display:grid;grid-template-columns:auto 1fr;gap:16px}
.ln-cp-rail{position:relative;display:grid;justify-items:center}
.ln-cp-dot{position:relative;z-index:1;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--border);background:var(--bg,#0b0b0f);font-family:var(--mono);font-size:.74rem;color:var(--text-muted)}
.ln-cp.done .ln-cp-dot{border-color:var(--gold);background:var(--gold);color:#0a0a0c}
.ln-cp.prog .ln-cp-dot{border-color:var(--gold);color:var(--gold);box-shadow:0 0 0 4px var(--gold-glow)}
.ln-cp-line{width:1px;flex:1;background:var(--border);min-height:26px}
.ln-cp.done .ln-cp-line{background:var(--gold);opacity:.55}
.ln-cp-txt{padding-bottom:22px}
.ln-cp-txt a{display:block;font-family:var(--display);font-size:1rem;color:inherit;text-decoration:none}
.ln-cp-txt a:hover{color:var(--gold)}
.ln-cp-txt small{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-top:4px}

/* aprende con números */
.ln-nums{display:grid;gap:14px;margin-top:22px}
.ln-mod{border:1px solid var(--border);border-radius:16px;background:var(--card);padding:20px}
.ln-mod h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin:0 0 14px}
.ln-mod .ln-in{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.ln-mod input,.ln-mod select{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;color:var(--text);font:inherit;font-size:.92rem;padding:11px 12px;min-height:44px;width:100%}
.ln-mod input:focus,.ln-mod select:focus{outline:none;border-color:var(--gold)}
.ln-out{display:grid;gap:2px;padding-top:14px;border-top:1px solid var(--border)}
.ln-out b{font-family:var(--display);font-size:1.7rem;line-height:1.1;color:var(--gold)}
.ln-out span{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.ln-src{font-size:.76rem;color:var(--text-muted);margin:14px 0 0}

/* teoría → operación */
.ln-flow{display:grid;gap:14px;margin-top:22px}
.ln-flow a{position:relative;display:block;padding:24px 22px;border:1px solid var(--border);border-radius:18px;background:var(--card);text-decoration:none;color:inherit;transition:.28s cubic-bezier(.16,1,.3,1)}
.ln-flow a:hover{border-color:var(--border-gold);transform:translateY(-3px)}
.ln-flow em{font-style:normal;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.ln-flow h4{font-family:var(--display);font-size:1.3rem;margin:8px 0 6px;text-transform:uppercase}
.ln-flow p{margin:0;font-size:.87rem;color:var(--text-2)}

/* cierre */
.ln-end{border:1px solid var(--border-gold);border-radius:22px;padding:34px 24px;background:var(--gold-glow);text-align:center}
.ln-end h2{font-family:var(--display);font-size:clamp(1.5rem,5vw,2.4rem);line-height:1.1;margin:0 0 22px;text-transform:uppercase}
.ln-end-btns{display:grid;gap:10px;max-width:520px;margin:0 auto}
.ln-end-q{margin:24px 0 0;font-size:.9rem;color:var(--text-muted);font-style:italic}

/* vista rápida: bottom sheet en móvil, panel centrado en desktop */
.ln-scrim{position:fixed;inset:0;background:rgba(0,0,0,.66);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .3s;z-index:900}
.ln-scrim.on{opacity:1;pointer-events:auto}
.ln-sheet{position:fixed;left:0;right:0;bottom:0;max-height:88vh;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:20px 20px 0 0;transform:translateY(101%);transition:transform .38s cubic-bezier(.16,1,.3,1);z-index:901}
.ln-sheet.on{transform:none}
.ln-sheet-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.ln-sheet-top em{font-style:normal;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.ln-sheet-top button{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text-2);cursor:pointer;font-size:1rem}
.ln-sheet-body{overflow-y:auto;padding:20px;-webkit-overflow-scrolling:touch}
.ln-sheet-body h3{font-family:var(--display);font-size:1.35rem;margin:0 0 8px}
.ln-sheet-body>p{margin:0 0 18px;color:var(--text-2);font-size:.9rem;line-height:1.6}
.ln-learn{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:9px}
.ln-learn li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:.9rem;line-height:1.5}
.ln-learn li s{text-decoration:none;color:var(--gold);font-family:var(--mono)}
.ln-sheet-body h5{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);margin:0 0 10px}
.ln-sheet-foot{display:grid;gap:10px;padding:16px 20px;border-top:1px solid var(--border)}
@media(min-width:760px){
  .ln-hero-grid{grid-template-columns:1.15fr .85fr;gap:48px}
  .ln-grid{grid-template-columns:repeat(2,1fr)}
  .ln-nums{grid-template-columns:repeat(3,1fr)}
  .ln-flow{grid-template-columns:repeat(3,1fr)}
  .ln-end-btns{grid-template-columns:repeat(3,1fr);max-width:none}
  .ln-sheet{left:50%;right:auto;bottom:auto;top:50%;transform:translate(-50%,-46%) scale(.97);width:min(620px,92vw);max-height:84vh;border-radius:20px;opacity:0}
  .ln-sheet.on{transform:translate(-50%,-50%);opacity:1}
}
@media(min-width:1100px){.ln-grid{grid-template-columns:repeat(4,1fr)}}
@media(prefers-reduced-motion:reduce){
  .ln-viz .nd{animation:none;opacity:1}
  .ln-viz .ln1,.ln-viz .fan,.ln-viz-s .fl{animation:none}
  .ln-card:hover,.ln-flow a:hover,.ln-stage button:hover{transform:none}
  .ln-sheet{transition:none}
}