/* ==========================================================================
   NEXUM — Estilos propios de la home.
   Extiende nexum.css; no lo modifica.
   ========================================================================== */

/* ---------- Hero ---------- */
.hero{
  min-height:100svh;display:flex;align-items:center;padding:110px 0 70px;overflow:hidden;
  background:
    radial-gradient(900px 520px at 78% 18%,rgba(212,175,55,.13),transparent 62%),
    radial-gradient(700px 480px at 8% 88%,rgba(166,124,26,.09),transparent 65%),
    var(--black);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(212,175,55,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(212,175,55,.045) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.8rem);margin-bottom:26px}
.hero h1 em{font-style:italic;font-weight:400}
.hero .lead{font-size:1.13rem;margin-bottom:36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:42px}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap;padding-top:32px;border-top:1px solid var(--line-soft)}
.stat b{font-family:var(--serif);font-size:2rem;display:block;line-height:1}
.stat span{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* Nexo animado */
.nexus{position:relative;aspect-ratio:1;max-width:420px;margin-left:auto;width:100%}
.nexus-ring{position:absolute;inset:0;border:1px solid var(--line);border-radius:50%;animation:nx-spin 46s linear infinite}
.nexus-ring:nth-child(2){inset:13%;border-color:rgba(212,175,55,.28);animation-duration:34s;animation-direction:reverse}
.nexus-ring:nth-child(3){inset:26%;border-color:rgba(212,175,55,.12);animation-duration:24s}
@keyframes nx-spin{to{transform:rotate(360deg)}}
.nexus-core{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.nexus-core .n{font-family:var(--serif);font-size:clamp(4rem,10vw,6.4rem);line-height:1;font-weight:600}
.nexus-core small{display:block;font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--muted);margin-top:10px}
.node{
  position:absolute;padding:9px 16px;border:1px solid var(--line);border-radius:100px;
  background:rgba(13,13,13,.92);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--gold-light);white-space:nowrap;backdrop-filter:blur(6px);
  animation:nx-float 6s ease-in-out infinite;
}
@keyframes nx-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.node.a{top:2%;left:50%;transform:translateX(-50%)}
.node.b{top:44%;right:-6%;animation-delay:1.2s}
.node.c{bottom:4%;left:52%;transform:translateX(-50%);animation-delay:2.4s}
.node.d{top:44%;left:-6%;animation-delay:3.6s}

/* ---------- Cómo funciona ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.step{background:var(--black-2);padding:44px 34px;transition:.4s}
.step:hover{background:var(--black-3)}
.step-n{
  font-family:var(--serif);font-size:3.4rem;line-height:1;margin-bottom:18px;
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.75;
}
.step h3{margin-bottom:12px}
.step p{color:var(--muted);font-size:.95rem}

/* ---------- Grillas de rubros y áreas ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.grid-cards.tres{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}

/* Áreas de la consultora, más compactas */
.areas{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.area{background:var(--black);padding:34px 30px;transition:.35s;position:relative}
.area:hover{background:var(--black-2)}
.area .num{
  font-family:var(--serif);font-size:.95rem;color:var(--gold);letter-spacing:.1em;margin-bottom:12px;display:block;
}
.area h3{font-size:1.15rem;margin-bottom:9px}
.area p{color:var(--muted);font-size:.9rem;line-height:1.6}

/* ---------- Tres caminos ---------- */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.path{
  border:1px solid var(--line);padding:42px 32px;position:relative;display:flex;flex-direction:column;
  background:radial-gradient(600px 260px at 50% 0%,rgba(212,175,55,.07),transparent 70%),var(--black-2);
  transition:.4s cubic-bezier(.2,.7,.3,1);
}
.path:hover{transform:translateY(-5px);border-color:var(--line-mid)}
.path h3{font-size:1.6rem;margin-bottom:10px}
.path .tag{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;display:block}
.path > p{color:var(--muted);font-size:.94rem}
.path ul{list-style:none;margin:24px 0 30px;flex:1}
.path li{padding:11px 0 11px 26px;position:relative;color:var(--muted);font-size:.92rem;border-bottom:1px solid var(--line-soft)}
.path li:last-child{border-bottom:0}
.path li::before{
  content:"";position:absolute;left:3px;top:19px;width:8px;height:8px;
  border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);transform:rotate(-45deg);
}
.path .btn{width:100%}
.path .costo{
  font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);
  text-align:center;margin-top:12px;
}

/* ---------- Por qué ---------- */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:44px 40px}
.why-item{padding-top:22px;border-top:1px solid var(--line)}
.why-item h3{font-size:1.15rem;margin-bottom:10px}
.why-item p{color:var(--muted);font-size:.93rem}

/* ---------- Contacto ---------- */
.contact{background:radial-gradient(800px 420px at 50% 0%,rgba(212,175,55,.09),transparent 70%),var(--black)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-info .lead{margin-bottom:30px}
.ci-item{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line-soft)}
a.ci-item{transition:.3s;cursor:pointer}
a.ci-item:hover{border-bottom-color:var(--gold)}
a.ci-item:hover span{color:var(--gold-light)}
.ci-item svg{width:20px;height:20px;color:var(--gold);flex-shrink:0;margin-top:3px}
.ci-item b{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:3px}
.ci-item span{color:var(--text);font-size:.98rem;word-break:break-word}

.form-box{border:1px solid var(--line);background:var(--black-2);padding:clamp(28px,4vw,42px)}
.form-note{font-size:12px;color:var(--muted-2);margin-top:16px;line-height:1.55}

/* Pantalla de "recibido" dentro del formulario */
.recibido{text-align:center;padding:20px 0}
.recibido .sello{
  width:56px;height:56px;margin:0 auto 22px;border:1px solid var(--gold);border-radius:50%;
  display:grid;place-items:center;color:var(--gold);font-family:var(--serif);font-size:26px;
}
.recibido h3{font-size:1.7rem;margin-bottom:14px}
.recibido p{color:var(--muted);font-size:.97rem;max-width:44ch;margin:0 auto 14px}
.caso-num{
  display:inline-block;margin:22px 0 6px;border:1px solid var(--gold);
  background:rgba(212,175,55,.07);padding:16px 30px;
}
.caso-num .k{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.caso-num .v{font-family:var(--serif);font-size:1.7rem;font-weight:600;letter-spacing:.06em;color:var(--text)}
.recibido .acciones{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  width:100%;background:none;border:0;color:var(--text);font-family:var(--serif);font-size:1.25rem;
  text-align:left;padding:24px 44px 24px 0;cursor:pointer;position:relative;transition:.3s;
}
.faq-q:hover{color:var(--gold-light)}
.faq-q::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  color:var(--gold);font-size:1.5rem;font-family:var(--sans);font-weight:300;transition:.3s;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{color:var(--muted);padding:0 40px 26px 0;font-size:.96rem}

/* ---------- Responsive ---------- */
@media(max-width:1040px){
  .paths{grid-template-columns:1fr}
  .areas{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .nexus{margin:0 auto;max-width:330px}
  .steps{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:44px}
}
@media(max-width:720px){
  .areas{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .stat b{font-size:1.6rem}
  .path{padding:34px 24px}
  .hero{padding:100px 0 60px}
}