/* ============================================================
   ARCORE HUB — hero, "operaciones conectadas", and the
   interactive Explorador de pilares scene.
   ============================================================ */

/* ---------------- TARJETAS (cyan) ---------------- */
.cards-sec{position:relative;overflow:hidden}
.cards-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cards-copy .eyebrow{color:var(--cyan)}
.cards-copy h2{font-size:clamp(28px,3.6vw,42px);margin-top:14px}
.cards-copy .lead{margin-top:16px}
.cards-bullets{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:13px}
.cards-bullets li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--fog)}
.cards-bullets li svg{width:19px;height:19px;stroke:var(--cyan);fill:none;stroke-width:1.8;flex:none;margin-top:1px}
.cards-copy .btn{margin-top:30px}
.cards-visual{position:relative;min-height:380px;display:flex;align-items:center;justify-content:center}
.flux-glow{position:absolute;width:460px;height:460px;max-width:90%;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.24),rgba(99,102,241,.12) 45%,transparent 66%)}
body[data-motion="on"] .flux-glow{animation:breathe 9s ease-in-out infinite}
.vcf{position:relative;width:360px;max-width:84%;aspect-ratio:1.586;border-radius:20px;padding:26px;color:#fff;
  background:linear-gradient(120deg,#22D3EE 0%,#6366F1 100%);
  box-shadow:0 30px 70px -20px rgba(34,211,238,.55),0 12px 34px rgba(0,0,0,.45),0 1px 0 rgba(255,255,255,.3) inset;
  transform:rotate(-7deg);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;
  transition:transform .3s var(--ease)}
.cards-visual:hover .vcf{transform:rotate(-4deg) translateY(-4px)}
.vcf::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.12)}
.vcf .vcf-top{display:flex;justify-content:space-between;align-items:flex-start;position:relative;z-index:1}
.vcf .vcf-name{font-family:var(--ff-arcore);font-weight:700;font-size:21px;letter-spacing:-.02em}
.vcf .vcf-chip{width:42px;height:32px;border-radius:7px;background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(255,255,255,.55));opacity:.92}
.vcf .vcf-mid{font-family:var(--ff-corecap);font-size:14px;letter-spacing:.06em;position:relative;z-index:1;opacity:.94}
.vcf .vcf-bot{display:flex;justify-content:space-between;align-items:flex-end;position:relative;z-index:1}
.vcf .vcf-label{font-family:var(--ff-corecap);font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.85}
.vcf .vcf-holder{font-family:var(--ff-arcore);font-weight:600;font-size:15px;margin-top:3px}
.vcf .vcf-logo{font-family:var(--ff-arca);font-weight:800;font-style:italic;font-size:22px;letter-spacing:-.02em}
/* a faint second card behind for depth */
.vcf-ghost{position:absolute;width:360px;max-width:84%;aspect-ratio:1.586;border-radius:20px;
  background:linear-gradient(120deg,rgba(34,211,238,.18),rgba(99,102,241,.10));border:1px solid rgba(34,211,238,.25);
  transform:rotate(4deg) translate(18px,18px)}
@media (max-width:920px){
  .cards-grid{grid-template-columns:1fr;gap:36px}
  .cards-visual{order:2;min-height:320px}
  .vcf,.vcf-ghost{transform:rotate(-4deg)}
}

/* ---------------- HUB HERO ---------------- */
.hhero{position:relative;overflow:hidden}
.hhero-glow{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(640px 440px at 80% 6%,rgba(244,178,62,.20),transparent 62%),
  radial-gradient(680px 460px at 4% 96%,rgba(255,107,87,.13),transparent 62%),
  radial-gradient(560px 520px at 60% 110%,rgba(34,211,238,.09),transparent 60%)}
body[data-motion="on"] .hhero-glow{animation:breathe 12s ease-in-out infinite}
.hhero-inner{max-width:var(--maxw);margin:0 auto;padding:104px 28px 96px;position:relative;z-index:1}
.hhero h1{font-size:clamp(40px,6.6vw,78px);line-height:1.03;max-width:15ch}
.hhero .sub{color:var(--mist);font-size:clamp(16px,2vw,21px);margin-top:24px;max-width:50ch}
.hhero .cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}

/* ---------------- OPERACIONES CONECTADAS ---------------- */
.connected .lead{font-size:clamp(17px,2.1vw,21px);color:var(--fog);max-width:64ch;line-height:1.65}
.connected .lead .ac-gold{color:var(--gold);font-weight:600}
.connected .lead .ac-cyan{color:var(--cyan);font-weight:600}
.connected .lead .ac-coral{color:var(--coral);font-weight:600}
.connected .closer{font-family:var(--ff-arcore);font-size:clamp(20px,2.4vw,26px);color:var(--white);margin-top:26px;letter-spacing:-.01em}

/* ---------------- EXPLORADOR DE PILARES ---------------- */
.explorer{position:relative;min-height:720px;background:var(--obsidian);overflow:hidden;isolation:isolate;
  --scene:#F4B23E;--scene-rgb:244,178,62}
.explorer-grain{position:absolute;inset:0;width:100%;height:100%;opacity:.5;mix-blend-mode:overlay;pointer-events:none;z-index:1}
.explorer-grid{position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 46%,#000 30%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 46%,#000 30%,transparent 78%)}
.explorer-tint{position:absolute;inset:0;pointer-events:none;z-index:2;opacity:0;transition:opacity .55s var(--ease);
  background:radial-gradient(720px 560px at 50% 46%,rgba(var(--scene-rgb),.18),transparent 66%);mix-blend-mode:screen}
.explorer.active .explorer-tint{opacity:1}
.explorer-cursor{position:absolute;width:360px;height:360px;border-radius:50%;pointer-events:none;z-index:2;opacity:0;
  transform:translate(-50%,-50%);transition:opacity .4s var(--ease);
  background:radial-gradient(circle,rgba(var(--scene-rgb),.16),transparent 62%);mix-blend-mode:screen}
.explorer.active .explorer-cursor{opacity:1}

.explorer-inner{position:relative;z-index:3;max-width:var(--maxw);margin:0 auto;padding:70px 28px 80px}
.explorer-head{text-align:center;max-width:56ch;margin:0 auto 8px}
.explorer-head h2{font-size:clamp(26px,3.4vw,40px)}
.explorer-head p{color:var(--mist);font-size:16px;margin-top:12px}

/* stage holds the core + nodes */
.stage{position:relative;height:540px;margin-top:10px}

/* central living core */
.core{position:absolute;left:50%;top:50%;width:520px;height:520px;transform:translate(-50%,-50%)}
.core svg{width:100%;height:100%;overflow:visible}
.ring{fill:none;stroke:var(--scene);transition:stroke .55s var(--ease)}
.core-flow{transform-origin:260px 260px;transition:transform .7s var(--ease)}
.flowline{fill:none;stroke:var(--scene);stroke-width:1.5;stroke-linecap:round;stroke-dasharray:5 12;opacity:.55;transition:stroke .55s var(--ease)}
body[data-motion="on"] .flowline{animation:coreflow 2.4s linear infinite}
@keyframes coreflow{to{stroke-dashoffset:-34}}
.core-dot{fill:var(--scene);transition:fill .55s var(--ease)}
body[data-motion="on"] .core-dot{animation:pulse 3.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.85;r:6}50%{opacity:1;r:9}}
.core-spin{transform-origin:260px 260px}
body[data-motion="on"] .core-spin{animation:spin 60s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.tick{stroke:var(--scene);stroke-width:1.5;opacity:.35;transition:stroke .55s var(--ease)}
.explorer.to-arcore .core-flow{transform:rotate(-42deg)}
.explorer.to-corecap .core-flow{transform:rotate(42deg)}
.explorer.to-arca .core-flow{transform:rotate(180deg)}

/* nodes */
.node{position:absolute;z-index:4;display:flex;flex-direction:column;align-items:center;gap:8px;
  background:rgba(18,20,25,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--steel);border-radius:var(--r-card);padding:16px 20px;cursor:pointer;width:206px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);color:inherit}
.node:hover,.node:focus-visible{transform:translateY(-4px) scale(1.02);outline:none}
.node .role{font-family:var(--ff-corecap);font-size:10.5px;letter-spacing:1.4px;text-transform:uppercase;color:var(--mist);transition:color .3s var(--ease)}
.node .name{font-size:22px;color:#fff}
.nmk{width:1em;height:1em;display:inline-block;vertical-align:-0.16em;margin-right:8px}
.node .aud{font-family:var(--ff-corecap);font-size:11px;color:var(--mist)}
.node .nodedot{width:9px;height:9px;border-radius:50%;margin-bottom:2px}
.node.n-arcore{left:6%;top:8%}
.node.n-arcore .name{font-family:var(--ff-arcore)} .node.n-arcore .nodedot{background:var(--gold)}
.node.n-corecap{right:6%;top:8%}
.node.n-corecap .name{font-family:var(--ff-corecap);letter-spacing:-.02em} .node.n-corecap .nodedot{background:var(--cyan)}
.node.n-arca{left:50%;bottom:2%;transform:translateX(-50%)}
.node.n-arca:hover,.node.n-arca:focus-visible{transform:translateX(-50%) translateY(-4px) scale(1.02)}
.node.n-arca .name{font-family:var(--ff-arca);font-weight:800} .node.n-arca .nodedot{background:var(--coral)}
.explorer.to-arcore .node.n-arcore{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold),0 16px 40px -16px rgba(244,178,62,.6)}
.explorer.to-corecap .node.n-corecap{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 16px 40px -16px rgba(34,211,238,.6)}
.explorer.to-arca .node.n-arca{border-color:var(--coral);box-shadow:0 0 0 1px var(--coral),0 16px 40px -16px rgba(255,107,87,.6)}
.explorer.to-arcore .node.n-arcore .role{color:var(--gold)}
.explorer.to-corecap .node.n-corecap .role{color:var(--cyan)}
.explorer.to-arca .node.n-arca .role{color:var(--coral)}

/* central panel */
.ex-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;text-align:center;
  width:min(380px,72%);pointer-events:none}
.ex-panel .phrase{font-family:var(--ff-arcore);font-size:clamp(17px,2vw,21px);color:var(--white);line-height:1.3;min-height:2.6em;
  display:flex;align-items:center;justify-content:center;transition:color .4s var(--ease)}
.ex-panel .explore{margin-top:16px;pointer-events:auto;opacity:0;transform:translateY(6px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);display:inline-flex}
.explorer.active .ex-panel .explore{opacity:1;transform:none}
.ex-cta{font-family:var(--ff-arcore);font-weight:600;border:none;border-radius:var(--r-ctl);padding:12px 22px;font-size:14px;
  cursor:pointer;display:inline-flex;align-items:center;gap:9px;background:var(--scene);color:#0A0B0D;text-decoration:none;
  transition:transform .2s var(--ease),filter .2s var(--ease)}
.ex-cta:hover{transform:translateY(-2px);filter:brightness(1.07)}
.ex-prompt{font-family:var(--ff-corecap);font-size:13px;color:var(--mist);letter-spacing:.04em;transition:opacity .3s var(--ease)}
.explorer.active .ex-prompt{opacity:0}

/* click wipe */
.wipe{position:fixed;inset:0;z-index:9998;pointer-events:none;background:var(--scene);
  clip-path:circle(0% at var(--wx,50%) var(--wy,50%));transition:clip-path .5s cubic-bezier(.7,0,.3,1)}
.wipe.go{clip-path:circle(150% at var(--wx,50%) var(--wy,50%))}

/* mobile cards */
.ex-mobile{display:none}

@media (max-width:860px){
  .explorer{min-height:0}
  .stage,.ex-panel{display:none}
  .explorer-inner{padding-bottom:56px}
  .ex-mobile{display:flex;flex-direction:column;gap:14px;margin-top:30px}
  .mcard{background:var(--carbon);border:1px solid var(--slate);border-radius:var(--r-card);overflow:hidden;
    transition:border-color .3s var(--ease),background .3s var(--ease)}
  .mcard summary{list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;gap:14px}
  .mcard summary::-webkit-details-marker{display:none}
  .mcard .mdot{width:11px;height:11px;border-radius:50%;flex:none}
  .mcard .mrole{font-family:var(--ff-corecap);font-size:10.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--mist)}
  .mcard .mname{font-size:20px;color:#fff;margin-top:2px}
  .mcard .mchev{margin-left:auto;color:var(--mist);transition:transform .3s var(--ease)}
  .mcard[open] .mchev{transform:rotate(180deg)}
  .mcard .mbody{padding:0 22px 22px}
  .mcard .mbody p{color:var(--mist);font-size:14.5px;line-height:1.6;margin-bottom:16px}
  .mcard.m-arcore[open]{border-color:var(--gold)} .mcard.m-arcore .mdot{background:var(--gold)} .mcard.m-arcore .mname{font-family:var(--ff-arcore)}
  .mcard.m-corecap[open]{border-color:var(--cyan)} .mcard.m-corecap .mdot{background:var(--cyan)} .mcard.m-corecap .mname{font-family:var(--ff-corecap);letter-spacing:-.02em}
  .mcard.m-arca[open]{border-color:var(--coral)} .mcard.m-arca .mdot{background:var(--coral)} .mcard.m-arca .mname{font-family:var(--ff-arca);font-weight:800}
}