/* AriasMind: oscuro, moderno y claro de leer. Naranja solo para la acción principal; azul y cian para estructura. */
:root{
  --bg:#0a0e1c; --bg-alt:#0d1226; --surface:#121936; --surface-2:#18214a; --line:#232d57;
  --fg:#f0f3fb; --text:#cdd5ee; --muted:#93a0c6;
  --blue:#6f9bff; --cyan:#38d9d9; --orange:#ff8a3d; --on-orange:#1a0d02;
  --glow:rgba(70,110,255,.30); --btn-glow:0 0 28px rgba(255,138,61,.35); --img-glow:0 0 60px rgba(91,141,255,.28);
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --gutter:clamp(1.1rem,5vw,2.5rem);
  color-scheme:dark;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f5f7fc; --bg-alt:#ebeffa; --surface:#ffffff; --surface-2:#eef2fc; --line:#d3dbee;
    --fg:#0f1530; --text:#2a3556; --muted:#55628a;
    --blue:#2a56d6; --cyan:#0b8a96;
    --glow:rgba(70,110,255,.14); --btn-glow:0 6px 18px rgba(255,138,61,.35); --img-glow:0 10px 40px rgba(42,86,214,.2);
    color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#f5f7fc; --bg-alt:#ebeffa; --surface:#ffffff; --surface-2:#eef2fc; --line:#d3dbee;
  --fg:#0f1530; --text:#2a3556; --muted:#55628a;
  --blue:#2a56d6; --cyan:#0b8a96;
  --glow:rgba(70,110,255,.14); --btn-glow:0 6px 18px rgba(255,138,61,.35); --img-glow:0 10px 40px rgba(42,86,214,.2);
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:.2em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
h1,h2,h3{color:var(--fg);font-weight:800;letter-spacing:-.02em;text-wrap:balance}
section[id]{scroll-margin-top:5rem}
.container{width:100%;max-width:820px;margin-inline:auto;padding-inline:var(--gutter)}
.container.wide{max-width:1080px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.grad{color:var(--cyan)}

/* Encabezado */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.7rem}
.brand{font-weight:800;font-size:1.25rem;color:var(--fg);text-decoration:none;letter-spacing:-.01em}
.brand span{color:var(--cyan)}
.site-nav{display:flex;align-items:center;gap:.2rem 1.4rem}
.site-nav a{color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:500;padding:.3rem 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--fg)}
.site-nav a[aria-current="page"]{color:var(--fg);border-bottom-color:var(--cyan)}
.site-nav .nav-cta{color:var(--on-orange);background:var(--orange);padding:.5rem 1rem;border-radius:8px;font-weight:700;border-bottom:0}
.site-nav .nav-cta:hover{color:var(--on-orange);filter:brightness(1.08)}
.menu-btn{display:none;background:transparent;border:1px solid var(--line);color:var(--fg);font:600 .85rem var(--sans);padding:.55rem .9rem;border-radius:8px;min-height:44px;cursor:pointer}
@media(max-width:760px){
  .menu-btn{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem var(--gutter) 1rem}
  .site-nav.open{display:flex}
  .site-nav a{padding:.85rem 0;font-size:1.02rem;border-bottom:1px solid var(--line)}
  .site-nav a[aria-current="page"]{border-bottom-color:var(--cyan)}
  .site-nav .nav-cta{margin-top:.8rem;text-align:center;padding:.9rem 1rem}
}
.read-bar{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 12px var(--cyan);transition:width .08s linear}

/* Botones */
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans);font-weight:700;font-size:.98rem;line-height:1.2;min-height:48px;padding:.8rem 1.5rem;border-radius:10px;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s,filter .15s,background .15s}
.btn-primary{background:var(--orange);color:var(--on-orange);box-shadow:var(--btn-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-secondary:hover{background:var(--surface);border-color:var(--blue)}
@media(max-width:520px){.actions .btn{width:100%}}

/* Portada */
.hero{padding-block:clamp(2.25rem,7vw,5rem) clamp(2.5rem,6vw,4rem);background:radial-gradient(60% 55% at 85% -5%,var(--glow),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:2.25rem;align-items:center}
@media(min-width:860px){.hero-grid{grid-template-columns:1.15fr .85fr}}
.kicker{margin:0 0 1rem;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.hero h1{font-size:clamp(2.2rem,8vw,3.9rem);line-height:1.05;margin:0}
.lead{font-size:clamp(1.05rem,2.4vw,1.25rem);line-height:1.65;color:var(--text);margin:1.2rem 0 0;max-width:44ch}
.facts{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0 0;padding:0;list-style:none}
.facts li{font-size:.82rem;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:.3rem .8rem;background:var(--surface)}
.portrait{margin:0;justify-self:center;width:100%;max-width:340px}
@media(min-width:860px){.portrait{max-width:400px}}
.portrait img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--img-glow);aspect-ratio:4/5;object-fit:cover;width:100%}
.portrait figcaption{margin-top:.7rem;font-size:.85rem;color:var(--muted)}

/* Secciones */
.block{padding-block:clamp(2.75rem,7vw,5rem)}
.block.alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.block h2{font-size:clamp(1.65rem,5vw,2.4rem);line-height:1.15;margin:0}
.block .section-lead{font-size:1.1rem;color:var(--text);margin:.9rem 0 0;max-width:58ch}
.block .section-lead + .section-lead{margin-top:.8rem}
.def-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin-top:1.75rem}
.def{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.2rem 1.3rem}
.def p{margin:.6rem 0 0;font-size:.95rem;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1.1rem;margin-top:1.75rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;gap:.6rem}
.card h3{font-size:1.3rem;margin:0}
.card p{margin:0;color:var(--muted)}
.card .btn{margin-top:auto;align-self:flex-start}
.card .btn:first-of-type{margin-top:.8rem}
.points{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.1rem;margin-top:1.75rem}
.point{padding:1.2rem 0 0;border-top:2px solid var(--blue)}
.point h3{font-size:1.1rem;margin:0 0 .4rem}
.point p{margin:0;font-size:.95rem;color:var(--muted)}

/* Etiquetas y estados */
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip,.tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:.2rem .65rem;border-radius:99px}
.chip{background:color-mix(in srgb,var(--blue) 18%,transparent);color:var(--blue)}
.tag{border:1px solid var(--line);color:var(--muted)}
.tag-abierto{border-style:dashed;border-color:var(--cyan);color:var(--cyan)}
.badge-new{font-size:.66rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:var(--orange);color:var(--on-orange);border-radius:99px;padding:.15rem .6rem;margin-left:.5rem;vertical-align:middle;white-space:nowrap}
.status{display:inline-block;font-size:.72rem;font-weight:700;border:1px solid var(--cyan);color:var(--cyan);border-radius:99px;padding:.15rem .65rem;white-space:nowrap}
.status-read{background:var(--cyan);color:#06222a}
.status-line{font-size:.9rem;color:var(--muted);margin:1.1rem 0 0}
.progress-block{margin-top:1.5rem;max-width:520px}
.progress-label{display:flex;justify-content:space-between;gap:1rem;font-size:.85rem;font-weight:500;color:var(--muted);margin-bottom:.5rem}
.progress-track{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:99px;transition:width .6s ease}

/* Artículos en tarjetas */
.archive{display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:1.1rem;margin-top:2rem}
.entry{position:relative;display:flex;flex-direction:column;gap:.7rem;padding:1.4rem;background:var(--surface);border:1px solid var(--line);border-radius:16px;color:var(--fg);text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.entry:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 10px 36px var(--glow)}
.entry .num{font-size:2.4rem;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--blue);letter-spacing:-.02em}
.entry .body{display:flex;flex-direction:column;gap:.55rem;min-width:0}
.entry h3{font-size:1.2rem;line-height:1.25;margin:0}
.entry p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.55}
.entry p.hook{font-style:italic}
.entry .meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:.4rem .8rem;align-items:center;font-size:.8rem;color:var(--muted)}
.entry .meta .status{order:-1}
.entry.feature{border-color:var(--blue);background:linear-gradient(135deg,var(--surface-2),var(--surface))}
@media(min-width:760px){.entry.feature{grid-column:1/-1}.entry.feature h3{font-size:1.6rem}}
.cta-row{margin-top:2rem}

/* Formulario */
.suggest-form{display:flex;flex-direction:column;gap:.9rem;margin-top:1.75rem;max-width:620px}
.suggest-form input,.suggest-form textarea{background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--fg);font-family:var(--sans);font-size:1rem;padding:.9rem 1rem;resize:vertical;width:100%}
.suggest-form input::placeholder,.suggest-form textarea::placeholder{color:var(--muted)}
.suggest-form input:focus,.suggest-form textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px color-mix(in srgb,var(--cyan) 25%,transparent)}
.suggest-form textarea{min-height:130px}
.suggest-form .btn{align-self:flex-start}
@media(max-width:520px){.suggest-form .btn{align-self:stretch}}
.suggest-msg{font-size:.95rem;font-weight:500;margin:1rem 0 0;display:none}
.suggest-msg.show{display:block}
.suggest-msg.ok{color:var(--cyan)}
.suggest-msg.err{color:#ff8f86}
:root[data-theme="light"] .suggest-msg.err{color:#b3261e}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) .suggest-msg.err{color:#b3261e}}
.suggest-notice{font-size:.85rem;color:var(--muted);margin:1.1rem 0 0;max-width:620px}

/* Encabezado de página interna y de artículo */
.page-header{padding-block:clamp(2.25rem,6vw,4rem) 1.25rem;background:radial-gradient(55% 70% at 90% -10%,var(--glow),transparent 70%)}
.page-header .eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin:0 0 .9rem;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.page-header h1{font-size:clamp(1.9rem,6.5vw,3.1rem);line-height:1.1;margin:0}
.page-header .sub{font-size:1.15rem;line-height:1.6;color:var(--text);margin:1rem 0 0;max-width:56ch}
.page-header .meta{font-size:.85rem;color:var(--muted);margin:1.1rem 0 0}
.music-wrap{margin-top:1.25rem}
.music-btn{display:inline-flex;align-items:center;gap:.6rem;background:var(--surface);border:1px solid var(--line);border-radius:99px;color:var(--muted);font-family:var(--sans);font-weight:500;font-size:.85rem;padding:.55rem 1.1rem .55rem .9rem;min-height:44px;cursor:pointer}
.music-btn:hover{color:var(--fg);border-color:var(--blue)}
.music-btn.is-playing{color:var(--cyan);border-color:var(--cyan)}
.m-play{width:12px;height:12px;fill:currentColor;display:block}
.m-eq{display:none;align-items:flex-end;gap:2px;height:12px}
.music-btn.is-playing .m-play{display:none}
.music-btn.is-playing .m-eq{display:flex}
.m-eq i{display:block;width:3px;background:currentColor;border-radius:1px;animation:eqB .8s ease-in-out infinite}
.m-eq i:nth-child(1){height:5px}.m-eq i:nth-child(2){height:12px;animation-delay:.15s}.m-eq i:nth-child(3){height:8px;animation-delay:.3s}
@keyframes eqB{0%,100%{transform:scaleY(.3)}50%{transform:scaleY(1)}}

/* Texto largo */
.prose{padding-block:1.25rem clamp(2.5rem,6vw,4rem)}
.prose p,.prose li{font-size:1.08rem;line-height:1.85;max-width:66ch;color:var(--text)}
.prose p{margin:0 0 1.35rem}
.prose strong{color:var(--fg);font-weight:700}
.prose em{font-style:italic}
.prose h2,.ch-title{font-size:clamp(1.4rem,4vw,1.8rem);line-height:1.25;margin:2.75rem 0 1rem;padding-left:1rem;border-left:3px solid var(--cyan)}
.prose ul{margin:0 0 1.35rem;padding-left:1.3rem}
.prose li{margin-bottom:.5rem}
.prose hr,.glow-rule{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:2.25rem 0}
.pull-q{margin:2.25rem 0;padding:.4rem 0 .4rem 1.3rem;border-left:4px solid var(--blue);font-weight:700;font-size:clamp(1.2rem,3.6vw,1.55rem);line-height:1.4;color:var(--fg);max-width:30em}
.ex-box{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:12px;padding:1.1rem 1.3rem;margin:1.75rem 0}
.ex-box p{font-size:1.02rem;line-height:1.75;margin:0 0 .5rem}
.ex-box p:last-child{margin-bottom:0}
.apply-box{background:color-mix(in srgb,var(--cyan) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--cyan) 35%,var(--line));border-radius:12px;padding:1.1rem 1.3rem;margin:1.75rem 0}
.apply-box::before{content:"Cómo aplicarlo";display:block;font-size:.72rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin-bottom:.6rem}
.apply-box.camino::before{content:"Un camino posible"}
.apply-box p{font-size:1.02rem;line-height:1.75;margin:0 0 .6rem}
.apply-box p:last-child{margin-bottom:0}
.note{border:1px dashed var(--cyan);background:var(--surface);border-radius:12px;padding:1.1rem 1.3rem;margin:0 0 2rem}
.note .note-tag{display:block;font-size:.72rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin-bottom:.5rem}
.note p{font-size:1.02rem;line-height:1.75;margin:0;max-width:none}

.takeaways{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--cyan);border-radius:14px;padding:1.5rem clamp(1.1rem,3vw,2rem);margin-bottom:2rem}
.tw-hdr{font-size:.78rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin:0 0 .6rem}
.tw-list{list-style:none;counter-reset:tw;margin:0;padding:0}
.tw-list li{counter-increment:tw;position:relative;padding:.85rem 0 .85rem 2.4rem;border-bottom:1px solid var(--line);font-size:1.02rem;line-height:1.65;color:var(--text)}
.tw-list li:last-child{border-bottom:0;padding-bottom:0}
.tw-list li::before{content:counter(tw);position:absolute;left:0;top:.85rem;width:1.6rem;height:1.6rem;border-radius:50%;background:color-mix(in srgb,var(--cyan) 18%,transparent);color:var(--cyan);font-size:.78rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.tw-list li:last-child::before{top:.85rem}
.tw-list strong{color:var(--fg)}
.refs{margin-bottom:2rem}
.refs .refs-hdr{font-size:.78rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 .8rem}
.refs-inner{font-size:.88rem;color:var(--muted);line-height:1.65}
.refs-inner ul{list-style:none;margin:0;padding:0}
.refs-inner li{margin-bottom:.9rem;padding-left:.9rem;border-left:2px solid var(--line)}
.refs-inner p{margin:0 0 1rem}

/* Cierre de artículo */
.next-card{display:flex;flex-direction:column;gap:.5rem;padding:1.5rem;border-radius:16px;border:1px solid var(--blue);background:linear-gradient(135deg,var(--surface-2),var(--surface));text-decoration:none;color:var(--fg);margin-bottom:1rem;transition:transform .2s,box-shadow .2s}
.next-card:hover{transform:translateY(-2px);box-shadow:0 10px 36px var(--glow)}
.next-card .small{font-size:.75rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.next-card h3{font-size:1.4rem;margin:0}
.next-card p{margin:0;color:var(--muted);font-size:.95rem}
.next-card .go{margin-top:.6rem;font-weight:700;color:var(--orange)}
.join{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:1.4rem 1.5rem;margin-bottom:1.25rem}
.join h3{font-size:1.15rem;margin:0 0 .4rem}
.join p{margin:0;color:var(--muted);font-size:.95rem}
.join .btn{margin-top:1rem}
.art-nav{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:space-between;margin-bottom:3rem}

.closing{background:linear-gradient(135deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:18px;padding:clamp(1.5rem,5vw,2.5rem);margin-block:1rem 3rem}
.closing h2{font-size:clamp(1.5rem,4.5vw,2.1rem);line-height:1.2;margin:0}
.closing p{font-size:1.08rem;color:var(--text);margin:.9rem 0 0;max-width:54ch}

/* Pie */
.site-footer{border-top:1px solid var(--line);background:var(--bg-alt);padding-block:2.5rem}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem}
.foot-brand{font-weight:800;font-size:1.3rem;color:var(--fg)}
.foot-brand span{color:var(--cyan)}
.foot-top p{margin:.3rem 0 0;color:var(--muted);font-size:.95rem;max-width:34ch}
.socials{display:flex;flex-wrap:wrap;gap:.5rem}
.social{display:inline-flex;align-items:center;gap:.5rem;color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:500;border:1px solid var(--line);border-radius:99px;padding:.5rem .95rem;min-height:40px}
.social:hover{color:var(--fg);border-color:var(--blue)}
.social svg{width:16px;height:16px}
.foot-legal{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;font-size:.85rem;color:var(--muted)}
.foot-legal a{color:var(--muted)}
.foot-legal a:hover{color:var(--cyan)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}