/* 2B OR NOT 2B AI Systems · GitHub Pages static site
   Identidad: navy, oro, azul eléctrico · Lato + Helvetica fallback */

:root{
  --navy:#000712;
  --navy-2:#0C2344;
  --navy-3:#071f3e;
  --graphite:#111923;
  --gold:#BC9250;
  --gold-2:#E9CA84;
  --gold-3:#875F2E;
  --blue:#35A3E5;
  --blue-2:#0067D6;
  --soft:#E6F2E4;
  --muted:#9fb2c7;
  --line:rgba(233,202,132,.22);
  --glass:rgba(12,35,68,.62);
  --shadow:0 24px 80px rgba(0,0,0,.34);
  --radius:28px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 10% 0%, rgba(53,163,229,.14), transparent 32rem),
    radial-gradient(circle at 86% 10%, rgba(188,146,80,.12), transparent 28rem),
    var(--navy);
  color:#fff;
  font-family:"Lato","Helvetica Neue",Helvetica,Arial,sans-serif;
  line-height:1.5;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
.container{width:min(var(--max), calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:110px 0}
.eyebrow{
  margin:0 0 14px;
  color:var(--blue);
  font-size:.78rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.16em;
}
h1,h2,h3,p{margin-top:0}
h1{
  max-width:880px;
  color:var(--gold-2);
  font-size:clamp(2.25rem, 4.9vw, 4.65rem);
  line-height:.98;
  letter-spacing:-.045em;
  margin-bottom:24px;
  font-weight:900;
}
h2{
  color:#fff;
  font-size:clamp(2rem, 4.2vw, 4.35rem);
  line-height:.98;
  letter-spacing:-.05em;
  margin-bottom:20px;
  font-weight:900;
}
h3{
  color:#fff;
  font-size:1.18rem;
  line-height:1.18;
  margin-bottom:10px;
  font-weight:900;
}
p{color:#dce8f7}
.lead,.hero-lead{font-size:clamp(1.03rem, 1.6vw, 1.28rem);color:#e8f2ff;max-width:720px}
.microcopy{font-size:.78rem;color:var(--muted)}
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:50;
  height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 clamp(20px, 5vw, 64px);
  background:rgba(0,7,18,.74);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(233,202,132,.18);
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand img{width:58px;height:58px;object-fit:contain}
.brand span{display:grid;line-height:1}
.brand strong{font-size:.9rem;letter-spacing:.08em;color:var(--gold-2)}
.brand small{font-size:.72rem;color:#d7e6f4;letter-spacing:.12em;text-transform:uppercase}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
  color:#d8e6f4;
  font-weight:700;
  font-size:.9rem;
}
.main-nav a{transition:.2s ease}
.main-nav a:hover{color:var(--gold-2)}
.nav-cta{
  padding:12px 18px;
  border:1px solid rgba(233,202,132,.55);
  border-radius:999px;
  color:var(--gold-2)!important;
  background:rgba(188,146,80,.1)
}
.nav-toggle{display:none}
.hero{
  min-height:100vh;
  display:grid;
  align-items:center;
  padding-top:150px;
  isolation:isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.55;
  background:
    linear-gradient(90deg, rgba(53,163,229,.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(53,163,229,.07) 1px, transparent 1px);
  background-size:84px 84px;
  mask-image:radial-gradient(circle at 70% 42%, #000 0, transparent 62%);
}
.hero:after{
  content:"";
  position:absolute;
  width:780px;height:780px;
  right:-220px;top:120px;
  border-radius:50%;
  border:1px solid rgba(53,163,229,.22);
  box-shadow:inset 0 0 90px rgba(53,163,229,.08);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero-actions,.contact-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:34px 0 32px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:14px 22px;
  border-radius:999px;
  font-weight:900;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn.primary{
  color:#061120;
  background:linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow:0 18px 48px rgba(188,146,80,.25);
}
.btn.secondary{
  color:#e7f5ff;
  border-color:rgba(53,163,229,.42);
  background:rgba(53,163,229,.08);
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
  max-width:560px;
  margin:0;
}
.hero-metrics div{
  padding:18px;
  border:1px solid rgba(233,202,132,.18);
  border-radius:20px;
  background:rgba(12,35,68,.36);
}
.hero-metrics dt{
  color:var(--gold-2);
  font-size:1.35rem;
  font-weight:900;
  line-height:1;
}
.hero-metrics dd{
  margin:6px 0 0;
  color:#c9d7e8;
  font-size:.9rem;
}
.hero-panel{
  position:relative;
  min-height:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-areas:
    "top top"
    "visual visual"
    "middle bottom";
  gap:18px;
  align-items:center;
  justify-items:center;
  padding:24px 0 10px;
}
.orb{
  width:min(340px, 72vw);
  aspect-ratio:1;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at 50% 50%, rgba(53,163,229,.24), transparent 34%),
    radial-gradient(circle, rgba(188,146,80,.12), transparent 58%);
  border:1px solid rgba(233,202,132,.25);
  box-shadow:0 0 80px rgba(53,163,229,.13), inset 0 0 80px rgba(0,0,0,.34);
}
.orb:before,.orb:after{
  content:"";
  position:absolute;
  width:72%;height:72%;
  border-radius:50%;
  border:1px solid rgba(53,163,229,.2);
}
.orb:after{
  width:95%;height:95%;
  border-color:rgba(188,146,80,.18);
  animation:spin 18s linear infinite;
}
.orb img{width:58%;filter:drop-shadow(0 20px 50px rgba(0,0,0,.45))}
.system-card{
  position:static;
  width:100%;
  max-width:260px;
  padding:16px;
  background:linear-gradient(160deg, rgba(12,35,68,.92), rgba(0,7,18,.92));
  border:1px solid rgba(233,202,132,.24);
  border-radius:20px;
  box-shadow:var(--shadow);
}
.system-card span{
  display:block;
  color:var(--blue);
  font-size:.72rem;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:6px;
}
.system-card strong{color:#fff}
.system-card.top{top:40px;right:0}
.system-card.middle{left:0;top:250px}
.system-card.bottom{right:40px;bottom:48px}
.split{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:60px;
  align-items:start;
}
.copy-card,.value-list,.contact-form,.founder-card{
  background:linear-gradient(155deg, rgba(12,35,68,.82), rgba(0,7,18,.62));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.copy-card{padding:34px}
.section-head{
  max-width:760px;
  margin:0 auto 50px;
  text-align:center;
}
.section-head p{margin-inline:auto;max-width:640px}
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:22px;
}
.service-card{
  min-height:260px;
  padding:30px;
  border:1px solid rgba(233,202,132,.18);
  border-radius:26px;
  background:
    linear-gradient(180deg, rgba(12,35,68,.8), rgba(0,7,18,.64)),
    radial-gradient(circle at 85% 0%, rgba(53,163,229,.16), transparent 16rem);
  transition:transform .22s ease, border-color .22s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(233,202,132,.42);
}
.icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;
  border:1px solid rgba(53,163,229,.4);
  border-radius:16px;
  margin-bottom:26px;
  color:var(--gold-2);
  font-weight:900;
}
.timeline{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
  counter-reset:steps;
}
.step{
  padding:28px;
  min-height:260px;
  background:rgba(12,35,68,.62);
  border:1px solid rgba(233,202,132,.18);
  border-radius:26px;
  position:relative;
  overflow:hidden;
}
.step:before{
  content:"";
  position:absolute;
  left:28px;right:28px;top:70px;
  height:1px;
  background:linear-gradient(90deg, var(--gold), transparent);
  opacity:.55;
}
.step span{
  display:inline-flex;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(53,163,229,.12);
  color:var(--blue);
  border:1px solid rgba(53,163,229,.32);
  font-weight:900;
  margin-bottom:46px;
}
.value-list{
  padding:28px;
  display:grid;
  gap:18px;
}
.value-list div{
  padding:22px;
  border-radius:20px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(233,202,132,.14);
}
.value-list strong{color:var(--gold-2);font-size:1.05rem}
.value-list p{margin:8px 0 0}
.founder-card{
  display:grid;
  grid-template-columns:330px 1fr;
  gap:40px;
  padding:34px;
  align-items:center;
}
.founder-photo{
  border-radius:26px;
  overflow:hidden;
  border:1px solid rgba(233,202,132,.4);
  background:var(--navy-2);
}
.founder-photo img{
  width:100%;
  aspect-ratio:1;
  object-fit:cover;
}
.founder-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.founder-tags span{
  padding:9px 13px;
  border-radius:999px;
  color:#dcefff;
  border:1px solid rgba(53,163,229,.32);
  background:rgba(53,163,229,.08);
  font-size:.85rem;
  font-weight:700;
}
.contact{padding-bottom:130px}
.contact-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:48px;
  align-items:start;
}
.contact-form{
  padding:30px;
  display:grid;
  gap:18px;
}
.contact-form label{
  display:grid;
  gap:8px;
  color:var(--gold-2);
  font-size:.84rem;
  font-weight:900;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.contact-form input,.contact-form textarea{
  width:100%;
  border:1px solid rgba(233,202,132,.22);
  border-radius:16px;
  color:#fff;
  background:rgba(0,7,18,.45);
  padding:14px 15px;
  outline:none;
}
.contact-form input:focus,.contact-form textarea:focus{
  border-color:rgba(53,163,229,.65);
  box-shadow:0 0 0 4px rgba(53,163,229,.12);
}
.contact-form .consent{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:start;
  gap:10px;
  color:#dce8f7;
  font-size:.78rem;
  font-weight:400;
  letter-spacing:0;
  line-height:1.35;
  text-transform:none;
}
.contact-form .consent input{
  width:auto;
  margin-top:4px;
}
.site-footer{
  border-top:1px solid rgba(233,202,132,.18);
  background:#00040c;
  padding:42px 0;
}
.footer-grid{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}
.site-footer img{width:72px;margin-bottom:14px}
.site-footer p{margin:0;color:#aebed0}
.site-footer nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:18px;
  color:#cbd9e8;
  font-size:.9rem;
}
.sticky-whatsapp{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:40;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:13px 18px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--blue), var(--blue-2));
  color:#fff;
  font-weight:900;
  box-shadow:0 18px 42px rgba(0,103,214,.34);
}
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}
.delay-1{transition-delay:.08s}
.delay-2{transition-delay:.16s}
.delay-3{transition-delay:.24s}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:1020px){
  .hero-grid,.split,.contact-grid,.founder-card{
    grid-template-columns:1fr;
  }
  .hero-panel{min-height:460px}
  .cards-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .timeline{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .founder-card{gap:26px}
  .founder-photo{max-width:320px}
}

@media (max-width:820px){
  .site-header{height:74px}
  .brand img{width:50px;height:50px}
  .nav-toggle{
    display:inline-grid;
    gap:4px;
    align-items:center;
    justify-items:center;
    background:transparent;
    color:#fff;
    border:0;
    padding:10px;
    cursor:pointer;
  }
  .nav-toggle span{
    width:26px;height:2px;
    background:var(--gold-2);
    display:block;
    transition:.2s ease;
  }
  .nav-toggle b{
    font-size:.68rem;
    color:#c8d6e5;
  }
  .main-nav{
    position:fixed;
    inset:74px 0 0;
    padding:28px 24px;
    background:rgba(0,7,18,.96);
    backdrop-filter:blur(18px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
  }
  body.nav-open .main-nav{display:flex}
  .main-nav a{
    padding:16px 0;
    border-bottom:1px solid rgba(233,202,132,.12);
  }
  .nav-cta{text-align:center;border-bottom:1px solid rgba(233,202,132,.55)!important;margin-top:12px}
  .section{padding:80px 0}
  .hero{padding-top:120px}
  .hero-actions,.contact-actions{align-items:stretch}
  .btn{width:100%}
  .hero-metrics{grid-template-columns:1fr}
  .hero-panel{display:none}
  .cards-grid,.timeline{grid-template-columns:1fr}
  .service-card,.step{min-height:auto}
  .footer-grid{display:grid}
  .site-footer nav{justify-content:flex-start}
  .sticky-whatsapp{
    left:20px;
    right:20px;
    bottom:16px;
  }
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}


/* Ajuste V4: hero inicial más equilibrado.
   - Titular más contenido.
   - Tarjetas del sistema fuera del logotipo para no taparlo. */
@media (min-width: 961px){
  .hero h1{
    max-width:760px;
  }
}
@media (max-width: 960px){
  .hero-panel{
    grid-template-columns:1fr;
    grid-template-areas:
      "top"
      "visual"
      "middle"
      "bottom";
    padding:10px 0 0;
  }
  .system-card.top,
  .system-card.middle,
  .system-card.bottom{
    justify-self:center;
    margin-right:0;
  }
}