/* Cuarzo — landing v2. Tema cuarzo: grafito → marfil con el scroll, acento amatista,
   estética cristal/geoda. Sin dependencias externas. */
:root{
  --p:0;                              /* progreso de scroll del hero (lo escribe el JS) */
  --cryst:0;                          /* cristalización 0→1 (color de los nodos) */
  --bg:0;                             /* fondo grafito→marfil (llega al FINAL del hero) */
  --scrollp:0;                        /* progreso total de página (la veta de memoria) */
  --serif:'Palatino Linotype','Book Antiqua',Palatino,Georgia,'Times New Roman',serif;
  --ink:#1a1726; --ink-soft:#4b4660; --muted:#6b6577;
  --amethyst:#7c3aed; --amethyst-2:#a855f7; --amethyst-ink:#6d28d9;
  --quartz:#e9def5; --teal:#0fb6c4;
  --marfil:#f7f6f3; --panel:#ffffff; --line:#e9e5df; --line-2:#ddd7ce;
  --dark:#0d0b14; --dark-2:#15121f;
  --radius:16px;
  --maxw:1180px;
  --shadow:0 24px 60px -34px rgba(60,40,110,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}
html::-webkit-scrollbar,body::-webkit-scrollbar{display:none;width:0}
/* el scroll nativo se oculta: la veta de cristal es el indicador de progreso */
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--marfil);color:var(--ink);
  font:16px/1.65 Quicksand,-apple-system,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:var(--amethyst);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}

/* ── Botones ── */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:11px;font-weight:600;
  font-size:14.5px;padding:11px 20px;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn.primary{background:linear-gradient(135deg,var(--amethyst),#6d28d9);color:#fff;box-shadow:0 8px 26px -8px rgba(124,58,237,.6)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 12px 34px -8px rgba(124,58,237,.7)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn.ghost:hover{border-color:var(--amethyst);color:var(--amethyst-ink)}
.btn.lg{padding:15px 28px;font-size:16px;border-radius:13px}
.btn.on-dark.ghost{color:#ece8f6;border-color:rgba(255,255,255,.22)}

/* ── Nav (fija, color se adapta al fondo del hero) ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:30}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.brand{display:flex;align-items:center;gap:11px;font-weight:750;font-size:20px;letter-spacing:-.3px;
  color:color-mix(in srgb,var(--ink) calc(var(--bg)*100%), #f2eefb)}
.brand svg{width:22px;height:22px}
.nav-links{display:flex;align-items:center;gap:24px;font-size:14.5px;font-weight:500}
.nav-links a:not(.btn){color:color-mix(in srgb,var(--ink-soft) calc(var(--bg)*100%), #cdc6e6)}
.nav-links a:not(.btn):hover{color:color-mix(in srgb,var(--ink) calc(var(--bg)*100%), #fff)}
.nav .btn.ghost{color:color-mix(in srgb,var(--ink) calc(var(--bg)*100%), #ece8f6);
  border-color:color-mix(in srgb,var(--line-2) calc(var(--bg)*100%), rgba(255,255,255,.22))}
@media (max-width:820px){.nav-links a:not(.btn){display:none}}

/* ── Hero scrollytelling (v3: 5 actos → más recorrido) ── */
#scrolly{position:relative;height:700vh;
  background:
    radial-gradient(70% 55% at 12% 0%, rgba(124,92,240,calc(.14*(1 - var(--bg)))), transparent 60%),
    color-mix(in srgb, var(--marfil) calc(var(--bg)*100%), var(--dark));}
@media (max-width:760px){#scrolly{height:560vh}}
.sticky{position:sticky;top:0;height:100vh;overflow:hidden}
#brain{position:absolute;inset:0;width:100%;height:100%;display:block}
.beat{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;padding:0 24px;pointer-events:none}
.beat h1{font-size:clamp(36px,5.4vw,66px);letter-spacing:-2px;line-height:1.02;margin:0 auto;max-width:900px;font-weight:780;
  text-shadow:0 2px 40px rgba(0,0,0,.25)}
.beat p{font-size:19px;max-width:560px;margin:18px auto 0;opacity:.85}
.grad{background:linear-gradient(120deg,#b69bff,#e9d5ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.b0{color:#f0ecf7}
.b0 .grad{filter:none}
.b1{color:color-mix(in srgb,var(--ink) calc(var(--cryst)*100%), #f0ecf7);text-shadow:0 2px 30px rgba(120,110,150,.4)}
.b1 .grad{-webkit-text-fill-color:initial;background:linear-gradient(120deg,#7c3aed,#a855f7);-webkit-background-clip:text;background-clip:text;color:transparent}
.b2{color:var(--ink)}
.b2 .grad{background:linear-gradient(120deg,#7c3aed,#0fb6c4);-webkit-background-clip:text;background-clip:text;color:transparent}
.b2 .cta{pointer-events:auto;margin-top:28px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
/* wordmark CUARZO tipo cristal: relleno translúcido + perfilado + brillo */
.wordmark{font-size:clamp(56px,13vw,168px);font-weight:850;letter-spacing:.04em;line-height:.9;margin:0 0 6px;
  font-family:"Segoe UI",Inter,system-ui,sans-serif;
  background:linear-gradient(160deg,#ffffff 0%,#d9c8f5 38%,#a855f7 62%,#6d28d9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  -webkit-text-stroke:1.2px rgba(124,58,237,.35);
  filter:drop-shadow(0 6px 30px rgba(124,58,237,.35)) drop-shadow(0 1px 0 rgba(255,255,255,.5));}
.b2 .tagline{font-size:18px;color:var(--ink-soft);margin:0 0 4px;font-weight:500}
/* visibilidad por tramo */
.b0{opacity:clamp(0,calc((0.20 - var(--p)) * 6),1)}
.b1{opacity:clamp(0,calc(1 - abs(calc(var(--p) - 0.5)) * 6.5),1)}
.b2{opacity:clamp(0,calc((var(--p) - 0.80) * 6),1)}
.scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:#cdc6e6;opacity:clamp(0,calc((0.10 - var(--p))*9),.6)}
.scroll-hint .arrow{display:block;margin:6px auto 0;width:18px;height:18px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:rotate(45deg) translate(0,0)}50%{transform:rotate(45deg) translate(3px,3px)}}
@media (prefers-reduced-motion:reduce){.scroll-hint .arrow{animation:none}}

/* ── Secciones claras ── */
section.block{padding:96px 0;position:relative}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:650;letter-spacing:.04em;
  text-transform:uppercase;color:var(--amethyst-ink);background:#f3eefe;border:1px solid #e7ddfb;border-radius:999px;padding:6px 14px}
h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-1px;line-height:1.1;margin:18px 0 14px;font-weight:760}
.sub{font-size:18px;color:var(--muted);max-width:640px;margin:0}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}

/* Banda de integraciones */
.logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 18px;margin-top:8px}
.logo-chip{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14.5px;color:var(--ink-soft);
  background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:10px 16px}
.logo-chip .ic{width:18px;height:18px;border-radius:5px;background:linear-gradient(135deg,var(--amethyst),var(--amethyst-2));opacity:.85}
.logo-chip .brandmark{width:20px;height:20px;flex:0 0 auto}
.logos-note{text-align:center;color:var(--muted);font-size:14px;margin-top:18px}

/* Bento de potencia: fila 1 = destacada(2) + normal(1); fila 2 = 3 iguales. Cuadra a 6. */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:42px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card.lg{grid-column:span 4}.card.sm{grid-column:span 2}.card.t3{grid-column:span 2}
.card .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
  background:#f3eefe;color:var(--amethyst-ink)}
.card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.3px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .stat{font-size:40px;font-weight:780;letter-spacing:-1.5px;
  background:linear-gradient(120deg,var(--amethyst),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.card .stat small{font-size:15px;color:var(--muted);font-weight:500;-webkit-text-fill-color:initial;margin-left:8px}
@media (max-width:900px){.bento{grid-template-columns:1fr 1fr}.card.lg,.card.sm,.card.t3{grid-column:span 1}}
@media (max-width:560px){.bento{grid-template-columns:1fr}}

/* Reveal on scroll: sutil y elegante. Sin animación si reduced-motion. */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* Dos planos */
.planes{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:stretch;margin-top:42px}
.plane{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.plane h3{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 14px;font-size:18px}
.plane ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px;display:grid;gap:9px}
.plane li b{color:var(--ink)}
.plane.local{border-color:#cfe9d8;box-shadow:inset 0 0 60px rgba(15,182,140,.04)}
.plane.cloud{border-color:#dcd4f3;box-shadow:inset 0 0 60px rgba(124,58,237,.04)}
.tag{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line-2);border-radius:999px;padding:3px 10px}
.plane-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:140px;
  color:var(--muted);font-size:12.5px;text-align:center}
.plane-link .ar{font-size:24px;color:var(--amethyst)}
@media (max-width:860px){.planes{grid-template-columns:1fr}.plane-link{flex-direction:row}.plane-link .ar{transform:rotate(90deg)}}

/* Mockup del panel */
.panelwrap{margin-top:42px;border-radius:20px;border:1px solid var(--line);overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
.panel-top{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);background:#fbfafc}
.panel-top .dot{width:11px;height:11px;border-radius:50%}
.panel-top .dot.r{background:#f87171}.panel-top .dot.y{background:#fbbf24}.panel-top .dot.g{background:#34d399}
.panel-top .url{margin-left:14px;font:12.5px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted)}
.panel-body{display:grid;grid-template-columns:200px 1fr;min-height:380px}
.panel-side{background:#faf9fc;border-right:1px solid var(--line);padding:18px 14px}
.panel-side .item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--ink-soft);font-size:14px;font-weight:500}
.panel-side .item.on{background:#f3eefe;color:var(--amethyst-ink)}
.panel-side .item .d{width:8px;height:8px;border-radius:3px;background:currentColor;opacity:.6}
.panel-main{padding:24px}
.panel-main h4{margin:0 0 4px;font-size:16px}
.panel-main .muted{color:var(--muted);font-size:13.5px;margin:0 0 16px}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;padding:9px 10px;border-bottom:1px solid var(--line)}
.tbl td{padding:11px 10px;border-bottom:1px solid var(--line)}
.badge{font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px}
.badge.active{background:#e6f7ef;color:#0a8b5b}.badge.pending{background:#fef3e2;color:#b5791f}
.mini-cta{display:inline-block;font-size:12.5px;font-weight:600;color:#fff;background:var(--amethyst);padding:5px 12px;border-radius:8px}
@media (max-width:680px){.panel-body{grid-template-columns:1fr}.panel-side{display:none}}

/* Ciclo de vida */
.lifecycle{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:42px;counter-reset:s}
.phase{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.phase::before{counter-increment:s;content:counter(s);position:absolute;top:-12px;left:22px;width:26px;height:26px;
  border-radius:50%;background:var(--amethyst);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.phase h4{margin:8px 0 6px;font-size:16px}.phase p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:860px){.lifecycle{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.lifecycle{grid-template-columns:1fr}}

/* CTA final */
.finalcta{margin:40px 0 0;border-radius:24px;padding:64px 32px;text-align:center;position:relative;overflow:hidden;
  background:radial-gradient(120% 120% at 50% 0%,#241f3a,#12101c);color:#f0ecf7}
.finalcta h2{color:#fff}.finalcta .sub{color:#c9c2dc;margin:0 auto 26px}
.finalcta .cta{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

footer{padding:48px 0 60px;color:var(--muted);font-size:14px;border-top:1px solid var(--line);margin-top:80px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
footer a{color:var(--muted)}footer a:hover{color:var(--ink)}

/* ════════════════ v3 — cinco actos + la web que recuerda ════════════════ */

/* tipografía: Righteous = la marca; Quicksand = todo lo demás (decisión Ismael) */
.brand{font-family:Righteous,Quicksand,sans-serif;font-weight:400;letter-spacing:.03em}
h1,h2{font-weight:700}
.gp h3,.bt{font-weight:700}
::selection{background:rgba(168,85,247,.32);color:inherit}

/* ── actos (overlays del sticky) ── */
.act{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  text-align:center;padding:0 24px;pointer-events:none}
.act1{color:#f0ecf7;opacity:clamp(0,calc((0.13 - var(--p)) * 12),1)}
.act1 h1{font-size:clamp(38px,5.8vw,76px);letter-spacing:-1px;line-height:1.04;margin:0 auto;
  max-width:980px;font-weight:600;text-shadow:0 2px 40px rgba(0,0,0,.3)}
.act1 p{font-size:18.5px;max-width:620px;margin:20px auto 0;opacity:.82;line-height:1.6}

/* banda RESERVADA para los beats del acto 2: el cerebro sube; jamás se pisan */
.beat-band{position:absolute;left:0;right:0;bottom:7vh;height:18vh;pointer-events:none}
.bt{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;
  font-size:clamp(26px,3.6vw,44px);letter-spacing:.01em;
  color:#efe9fb;text-shadow:0 2px 30px rgba(124,92,240,.45)}
.bt1{opacity:clamp(0,calc(min((var(--p) - 0.155) * 22, (0.245 - var(--p)) * 22)),1)}
.bt2{opacity:clamp(0,calc(min((var(--p) - 0.245) * 22, (0.335 - var(--p)) * 22)),1)}
.bt3{opacity:clamp(0,calc(min((var(--p) - 0.335) * 22, (0.425 - var(--p)) * 22)),1)}

/* rótulo de entrada al acto 3 */
.act3-kicker{position:absolute;top:11vh;left:0;right:0;text-align:center;pointer-events:none;
  font-size:12.5px;font-weight:650;letter-spacing:.34em;text-transform:uppercase;color:#b9a8e8;
  opacity:clamp(0,calc(min((var(--p) - 0.44) * 24, (0.54 - var(--p)) * 24)),1)}

/* garantías del acto 3: paneles de vidrio con arista prismática */
.gp{position:absolute;top:50%;transform:translateY(-50%);width:min(420px,38vw);
  padding:28px 30px;border-radius:18px;pointer-events:none;text-align:left;
  background:rgba(22,17,36,.46);border:1px solid rgba(190,160,255,.22);
  backdrop-filter:blur(14px) saturate(1.25);-webkit-backdrop-filter:blur(14px) saturate(1.25);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.07)}
.gp::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;border-radius:1px;
  background:linear-gradient(90deg,transparent 4%,rgba(255,128,128,.4) 28%,rgba(150,255,210,.35) 50%,rgba(150,165,255,.45) 72%,transparent 96%)}
.gp .gk{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:#c9b6f5;margin-bottom:10px}
.gp h3{margin:0 0 10px;font-size:clamp(22px,2.2vw,30px);line-height:1.15;color:#f6f2fd;font-weight:600}
.gp p{margin:0;font-size:15px;line-height:1.65;color:#cfc6e4}
.g1{left:6vw}.g2{right:6vw}.g3{left:6vw}
.g1{opacity:clamp(0,calc(min((var(--p) - 0.515) * 26, (0.645 - var(--p)) * 26)),1)}
.g2{opacity:clamp(0,calc(min((var(--p) - 0.635) * 26, (0.765 - var(--p)) * 26)),1)}
.g3{opacity:clamp(0,calc(min((var(--p) - 0.755) * 26, (0.88 - var(--p)) * 26)),1)}
@media (max-width:760px){
  .gp{left:4vw !important;right:4vw !important;top:auto;bottom:6vh;transform:none;width:auto;padding:20px 22px}
  .beat-band{bottom:5vh}
}

/* cierre del hero: la palabra CUARZO la forman las facetas en el canvas;
   tagline y CTA pegados justo debajo de ella, y el logo encima */
.act-word{top:54%;bottom:auto;transform:none;
  opacity:clamp(0,calc((var(--p) - 0.90) * 16),1);color:var(--ink)}
.act-word .cta{pointer-events:auto;margin-top:22px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
.act-word .tagline{font-size:clamp(18px,2.2vw,23px);font-weight:600;color:var(--ink-soft);margin:0}
.act-logo{position:absolute;top:17vh;left:0;right:0;text-align:center;pointer-events:none;
  opacity:clamp(0,calc((var(--p) - 0.92) * 18),1)}
.act-logo svg{width:58px;height:58px;filter:drop-shadow(0 8px 24px rgba(124,58,237,.35))}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* la veta de memoria (scrollbar de cristal) */
.vein{position:fixed;top:0;right:0;width:4px;height:100vh;z-index:60;pointer-events:none;
  background:rgba(124,92,240,.07)}
.vein-fill{position:absolute;top:0;left:0;right:0;height:calc(var(--scrollp) * 100%);
  background:linear-gradient(180deg,#c4b5fd,#7c3aed);
  box-shadow:0 0 12px rgba(168,85,247,.55)}
.vein-fill::after{content:"";position:absolute;bottom:-5px;left:50%;width:8px;height:8px;
  transform:translateX(-50%) rotate(45deg);background:#e9d5ff;
  box-shadow:0 0 10px rgba(196,170,255,.9)}

/* lienzo de memoria (estela + cristales) y luz convergente */
.memlayer{position:fixed;inset:0;width:100vw;height:100vh;z-index:55;pointer-events:none}
.lightdot{position:fixed;top:0;left:0;width:900px;height:900px;z-index:1;pointer-events:none;
  background:radial-gradient(circle,rgba(168,85,247,.10),transparent 62%);
  mix-blend-mode:screen;opacity:.55;
  transition:transform .9s cubic-bezier(.22,.61,.36,1),opacity .5s}
.lightdot.hot{opacity:.95}
@keyframes ctapulse{from{transform:translate(-50%,-50%) scale(1);opacity:.9}
  to{transform:translate(-50%,-50%) scale(13);opacity:0}}
.ctapulse{position:fixed;width:16px;height:16px;z-index:70;pointer-events:none;
  border:1.5px solid rgba(196,170,255,.9);
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  animation:ctapulse .7s cubic-bezier(.22,.61,.36,1) forwards}

/* toast "seguimos donde lo dejaste" */
.mem-toast{position:fixed;left:24px;bottom:24px;z-index:80;display:flex;align-items:center;gap:14px;
  max-width:min(92vw,560px);padding:14px 18px;border-radius:14px;
  background:rgba(22,17,36,.82);border:1px solid rgba(190,160,255,.3);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  color:#ece6f8;font-size:14.5px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6);
  opacity:0;transform:translateY(14px);transition:opacity .45s,transform .45s}
.mem-toast.on{opacity:1;transform:none}
.mem-toast .mt-go{border:0;border-radius:9px;padding:8px 14px;font-weight:650;font-size:13.5px;
  cursor:pointer;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff;white-space:nowrap}
.mem-toast .mt-x{border:0;background:transparent;color:#9d92b8;font-size:19px;cursor:pointer;
  line-height:1;padding:2px 4px}

/* ── ACTO 4: la prueba (pieza editorial sobre marfil) ── */
#prueba{border-bottom:1px solid var(--line)}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:52px}
.proof-item{padding:8px 34px 4px;border-left:1px solid var(--line-2)}
.proof-item:first-child{border-left:0;padding-left:0}
.proof .num{font-size:clamp(58px,8vw,116px);font-weight:800;letter-spacing:-4px;line-height:1;
  font-variant-numeric:tabular-nums;color:var(--ink-soft)}
.proof .num.good{background:linear-gradient(120deg,var(--amethyst),var(--teal));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.proof-item p{margin:12px 0 0;color:var(--muted);font-size:15px;line-height:1.6;max-width:300px}
.proof-item p small{display:block;color:#a39db1;margin-top:4px}
.proof-note{text-align:center;color:var(--muted);font-size:14.5px;max-width:720px;margin:46px auto 0}
.proof-note a{color:var(--amethyst-ink);font-weight:600}
@media (max-width:860px){.proof{grid-template-columns:1fr}
  .proof-item{border-left:0;border-top:1px solid var(--line-2);padding:22px 0 4px}
  .proof-item:first-child{border-top:0;padding-top:0}}

/* ── ACTO 5: cierre con el cerebro de cuarzo orbitando ── */
.finalcta{position:relative;overflow:hidden}
#brain-final{position:absolute;right:-90px;top:50%;transform:translateY(-50%);
  width:520px;height:520px;opacity:.5;pointer-events:none}
.fc-inner{position:relative;z-index:1}
.fc-micro{margin:30px auto 0;font-weight:500;font-size:15.5px;color:#a99cc8}
@media (max-width:900px){#brain-final{right:-160px;opacity:.3}}

/* footer: el dato-perla */
.footnote{display:block;margin-top:18px;color:#a39db1;font-size:13px;font-style:italic;width:100%}

/* ════════ v3.2 — secciones de mensaje (míralo trabajar · ciclo · contraste) ════════ */

/* Míralo trabajar: la consulta real */
.chatwrap{max-width:760px;margin:42px auto 0;border-radius:20px;border:1px solid var(--line);
  overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
.chat-body{padding:26px 28px 22px;display:grid;gap:16px}
.msg{position:relative;border-radius:14px;padding:16px 18px;font-size:15px;line-height:1.6;max-width:86%}
.msg .who{display:block;font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:6px;opacity:.65}
.msg.agent{background:#f3f1f7;color:var(--ink);justify-self:end;border:1px solid var(--line)}
.msg.cuarzo{background:linear-gradient(165deg,#f6f1ff,#efe7fd);border:1px solid #e2d5fa;justify-self:start}
.msg.cuarzo .who{color:var(--amethyst-ink)}
.msg.cuarzo p{margin:0}
.msg .meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.chip{font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;background:#fff;
  border:1px solid #e2d5fa;color:var(--ink-soft)}
.chip.ok{background:#e6f7ef;border-color:#bfe8d4;color:#0a8b5b}
.chat-note{text-align:center;font-size:13.5px;color:var(--muted);padding-top:4px}
.loop{display:flex;align-items:stretch;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap}
.loop-step{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:14px 20px;
  text-align:center;min-width:190px}
.loop-step b{display:block;font-size:14.5px;color:var(--amethyst-ink)}
.loop-step span{font-size:13px;color:var(--muted)}
.loop-arrow{align-self:center;color:var(--amethyst);font-size:20px;font-weight:700}
@media (max-width:760px){.loop-arrow{transform:rotate(90deg)}.loop{flex-direction:column;align-items:center}}

/* Ciclo de vida: línea temporal con el cerebro creciendo */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:48px;position:relative}
.timeline::before{content:"";position:absolute;top:9px;left:4%;right:4%;height:2px;
  background:linear-gradient(90deg,#e3d9f7,var(--amethyst));border-radius:2px}
.tl-phase{position:relative;padding-top:34px}
.tl-gem{position:absolute;top:0;left:50%;transform:translate(-50%,-22%) rotate(45deg);
  width:calc(10px + var(--g) * 3.2px);height:calc(10px + var(--g) * 3.2px);
  background:linear-gradient(135deg,#c4b5fd,var(--amethyst));border:1px solid #fff;
  box-shadow:0 4px 14px rgba(124,58,237,.4)}
.tl-phase h4{margin:0 0 6px;font-size:16px;text-align:center}
.tl-phase p{margin:0;font-size:13.5px;color:var(--muted);text-align:center;line-height:1.55}
.tl-close{text-align:center;margin:40px auto 0;font-size:17px;color:var(--ink-soft);max-width:560px}
.tl-close b{color:var(--amethyst-ink)}
@media (max-width:860px){.timeline{grid-template-columns:1fr 1fr;gap:26px 14px}.timeline::before{display:none}
  .tl-phase{padding-top:30px}}
@media (max-width:480px){.timeline{grid-template-columns:1fr}}

/* Memoria ≠ búsqueda: franja oscura editorial */
section.block.dark{background:radial-gradient(110% 130% at 50% 0%,#1d1830,#100d1a);color:#efeaf8}
section.block.dark h2{color:#fff}
section.block.dark .sub{color:#b6adcc}
.kicker.inv{background:rgba(168,85,247,.14);border-color:rgba(168,85,247,.3);color:#cdb6f7}
.vs{max-width:860px;margin:46px auto 0;display:grid;gap:0}
.vs-row{display:grid;grid-template-columns:1fr 1.4fr;gap:26px;padding:24px 6px;
  border-top:1px solid rgba(190,160,255,.14);align-items:start}
.vs-row:first-child{border-top:0}
.vs-a{font-size:16px;color:#8d83a6;text-decoration:line-through;text-decoration-color:rgba(141,131,166,.5);
  text-decoration-thickness:1px}
.vs-b{font-size:16.5px;color:#f3eefd;font-weight:500;line-height:1.6}
@media (max-width:700px){.vs-row{grid-template-columns:1fr;gap:8px}}

/* la frontera en vivo (sección dos planos) */
.plane-link{min-width:200px}
#frontier{width:200px;height:300px;display:block}
@media (max-width:860px){#frontier{width:100%;height:150px}}

/* ── arranque en 3 pasos (devs) ── */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:46px}
.step3{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 22px}
.s3n{position:absolute;top:-14px;left:22px;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--amethyst),#6d28d9);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:700;box-shadow:0 6px 16px -6px rgba(124,58,237,.6)}
.step3 h3{margin:4px 0 12px;font-size:17px}
.s3cmd{font:13px/1.4 ui-monospace,Consolas,monospace;background:#16131f;color:#d8cdf2;
  border-radius:9px;padding:11px 14px;margin-bottom:12px;overflow-x:auto;white-space:nowrap}
.s3cmd::before{content:"$ ";color:#8b7fb8}
.step3 p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.steps3-note{text-align:center;color:var(--muted);font-size:13.5px;margin:26px auto 0}
@media (max-width:860px){.steps3{grid-template-columns:1fr;gap:22px}}

/* ── reduced motion: versión estática digna ── */
.reduced-only{display:none}
html.reduced #scrolly{height:100vh}
html.reduced .beat-band,html.reduced .gp,html.reduced .act-word,
html.reduced .act3-kicker,html.reduced .scroll-hint{display:none}
html.reduced .act1{opacity:1}
html.reduced #brain{opacity:.25}   /* el cerebro estático no compite con el H1 */
html.reduced .reduced-only{display:flex;justify-content:center;margin-top:30px;pointer-events:auto}
html.reduced .lightdot,html.reduced .vein-fill::after{display:none}