:root{
  --navy:#050817;
  --navy-soft:#0a1024;
  --card:rgba(13,18,42,.78);
  --gold:#ffc24d;
  --gold-dark:#d98d0b;
  --violet:#7c3aed;
  --violet-light:#ae63ff;
  --silver:#e8eaf1;
  --white:#fff;
  --muted:#aeb5ca;
  --border:rgba(255,194,77,.22);
  --vborder:rgba(124,58,237,.35);
  --shadow-gold:0 0 35px rgba(255,178,38,.22);
  --shadow-violet:0 0 45px rgba(124,58,237,.25);
  --radius:22px;
  --header:82px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{
  overflow-x:hidden;
  color:var(--silver);
  background:
    radial-gradient(circle at 15% 10%,rgba(124,58,237,.11),transparent 28%),
    radial-gradient(circle at 85% 10%,rgba(255,165,20,.08),transparent 28%),
    var(--navy);
  font-family:Poppins,sans-serif;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

.header{position:fixed;z-index:1000;inset:0 0 auto;transition:.25s}
.header.scrolled{
  border-bottom:1px solid rgba(255,255,255,.07);
  background:rgba(5,8,23,.9);
  backdrop-filter:blur(18px)
}
.nav-wrap{display:flex;min-height:var(--header);align-items:center;justify-content:space-between}
.brand-logo{width:min(220px,34vw);height:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav>a:not(.btn){position:relative;color:#d8dbea;font-size:.9rem;font-weight:500}
.nav>a:not(.btn)::after{
  position:absolute;
  right:0;bottom:-8px;left:0;
  width:0;height:1px;
  margin:auto;
  content:"";
  background:var(--gold);
  box-shadow:0 0 8px var(--gold);
  transition:.2s
}
.nav>a:hover::after{width:100%}
.menu-button{display:none;border:0;background:none}
.menu-button span{display:block;width:27px;height:2px;margin:6px 0;background:var(--white)}

.btn{
  display:inline-flex;
  min-height:52px;
  padding:0 24px;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid transparent;
  border-radius:11px;
  font-weight:700;
  transition:.2s
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#17101f;background:linear-gradient(135deg,var(--gold),#ff9f1c);box-shadow:var(--shadow-gold)}
.btn-ghost{color:var(--white);border-color:rgba(174,99,255,.5);background:rgba(124,58,237,.08)}

.hero{
  position:relative;
  display:grid;
  min-height:100vh;
  padding-top:calc(var(--header) + 52px);
  align-items:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 80% 28%,rgba(174,99,255,.15),transparent 24%),
    radial-gradient(circle at 77% 52%,rgba(255,194,77,.12),transparent 20%),
    linear-gradient(90deg,rgba(5,8,23,0) 47%, rgba(5,8,23,.15) 58%, rgba(5,8,23,.05) 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 1.02fr;
  gap:36px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--gold);
  font-family:"Exo 2",sans-serif;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.15em;
  text-transform:uppercase
}
.eyebrow::before{
  width:28px;height:1px;
  content:"";
  background:linear-gradient(90deg,transparent,var(--gold));
  box-shadow:0 0 8px var(--gold)
}
h1,h2,h3{font-family:"Exo 2",sans-serif}
.hero h1{
  max-width:11ch;
  margin:18px 0 16px;
  color:var(--white);
  font-size:clamp(2.05rem,3.85vw,3.7rem);
  line-height:1.01;
  letter-spacing:-.04em;
}
.gradient-text{
  color:transparent;
  background:linear-gradient(90deg,var(--gold),#ffe09a,var(--violet-light));
  -webkit-background-clip:text;
  background-clip:text
}
.hero-copy>p{max-width:640px;color:var(--muted);font-size:1.05rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.status-note{display:flex;align-items:center;gap:10px;margin-top:26px;color:#c9cde0;font-size:.84rem}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 15px var(--gold)}

.hero-visual{
  position:relative;
  display:grid;
  min-height:600px;
  align-items:center;
  justify-items:end;
  isolation:isolate;
}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:6% -6% 2% 10%;
  background:radial-gradient(circle at 64% 50%,rgba(124,58,237,.18),transparent 36%), radial-gradient(circle at 78% 44%,rgba(255,194,77,.14),transparent 28%);
  filter:blur(28px);
  z-index:0;
}
.brain-frame{
  position:relative;
  width:min(100%,760px);
  display:grid;
  place-items:center;
  z-index:2;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  border-radius:28px;
  background:linear-gradient(145deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  box-shadow:0 24px 70px rgba(0,0,0,.34), inset 0 0 0 1px rgba(255,255,255,.02);
}
.brain-frame::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,8,23,.02),rgba(5,8,23,.08) 55%,rgba(5,8,23,.18));
  z-index:1;
  pointer-events:none;
}
.brain-frame::after{content:none}
.brain-image{
  position:relative;
  z-index:0;
  width:100%;
  height:auto;
  object-fit:cover;
  transform:none;
  filter:drop-shadow(0 0 22px rgba(124,58,237,.16));
  mix-blend-mode:normal;
  -webkit-mask-image:none;
  mask-image:none;
}
.brain-glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.2;z-index:0}
.brain-glow-gold{width:260px;height:260px;background:var(--gold);right:8%;top:22%}
.brain-glow-violet{width:320px;height:320px;background:var(--violet);left:16%;bottom:10%}
.science-chip{
  position:absolute;
  z-index:3;
  padding:9px 14px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  background:rgba(5,8,23,.58);
  backdrop-filter:blur(12px);
  font-family:"Exo 2",sans-serif;
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.12em;
  color:#eef0ff;
  box-shadow:0 10px 35px rgba(0,0,0,.18)
}
.chip-one{top:8%;left:4%;border-color:rgba(255,194,77,.28);color:var(--gold)}
.chip-two{top:8%;right:4%;border-color:rgba(174,99,255,.30);color:#dcb9ff}
.chip-three{bottom:8%;left:4%;border-color:rgba(81,208,255,.24);color:#9fe7ff}
.visual-label{
  position:absolute;
  z-index:3;
  right:4%;
  bottom:18px;
  padding:10px 14px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:999px;
  background:rgba(5,8,23,.55);
  color:#f4f1ff;
  font-family:"Exo 2",sans-serif;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
}
.energy-line{
  position:absolute;
  right:0;bottom:0;left:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--violet-light),var(--gold),transparent);
  box-shadow:0 0 18px rgba(124,58,237,.5)
}

.section{position:relative;padding:110px 0}
.section-dark{background:rgba(8,12,29,.76)}
.section-heading{max-width:790px;margin:0 auto 56px;text-align:center}
.section-heading h2,.method-copy h2{
  margin:18px 0;
  color:var(--white);
  font-size:clamp(2rem,4.5vw,3.5rem);
  line-height:1.08;
  letter-spacing:-.035em
}
.section-heading p,.method-copy>p{color:var(--muted)}
.areas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.module-card,.source-card,.evidence-panel{
  position:relative;
  border:1px solid rgba(174,99,255,.18);
  border-radius:var(--radius);
  background:linear-gradient(145deg,rgba(16,22,49,.84),rgba(8,12,29,.84));
  box-shadow:inset 0 0 28px rgba(124,58,237,.04);
  transition:.22s
}
.module-card{min-height:300px;padding:28px}
.module-card:hover,.source-card:hover{transform:translateY(-5px);border-color:var(--border);box-shadow:var(--shadow-violet)}
.module-kicker{position:absolute;top:20px;right:22px;color:rgba(255,255,255,.28);font-family:"Exo 2",sans-serif;font-size:.8rem;font-weight:700}
.module-icon{display:grid;width:54px;height:54px;margin-bottom:24px;place-items:center;border:1px solid var(--border);border-radius:16px;color:var(--gold);background:linear-gradient(145deg,rgba(255,194,77,.08),rgba(124,58,237,.15));font-family:"Exo 2",sans-serif;font-weight:800}
.module-card h3{color:var(--white);font-size:1.35rem}
.module-card p{margin-top:10px;color:var(--muted);font-size:.95rem}
.module-state{position:absolute;right:28px;bottom:24px;left:28px;color:var(--gold);font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.method-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.method-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}
.method-steps div{display:flex;align-items:center;gap:14px;padding:16px;border:1px solid rgba(255,255,255,.07);border-radius:14px;background:rgba(255,255,255,.025)}
.method-steps strong{color:var(--gold);font-family:"Exo 2",sans-serif}
.evidence-panel{padding:30px}
.evidence-panel h3{margin:15px 0 22px;color:var(--white);font-size:1.6rem}
.evidence-list{display:grid;gap:12px}
.evidence{display:flex;gap:14px;padding:15px;border-radius:14px;background:rgba(255,255,255,.03)}
.evidence>span{width:14px;height:14px;margin-top:5px;border-radius:50%}
.evidence strong{display:block}
.evidence small{display:block;color:var(--muted)}
.evidence-green>span{background:#2fbf71}
.evidence-gold>span{background:var(--gold)}
.evidence-violet>span{background:var(--violet-light)}
.evidence-red>span{background:#ff6464}
.sources-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.source-card{padding:24px}
.source-card strong{display:block;color:var(--white);font-family:"Exo 2",sans-serif;font-size:1.25rem}
.source-card span{color:var(--muted);font-size:.9rem}
.footer{padding:55px 0 20px;border-top:1px solid rgba(255,255,255,.07);background:#040612}
.footer-wrap{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:start}
.footer-logo{width:min(230px,60vw)}
.footer-wrap p{max-width:620px;margin-top:16px;color:var(--muted);font-size:.9rem}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;color:#d9dced;font-size:.88rem}
.footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.06);color:#8189a5;font-size:.8rem}
.reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1100px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:26px}
  .brain-frame{width:min(100%,700px)}
}
@media(max-width:980px){
  .menu-button{display:block}
  .nav{position:fixed;top:var(--header);right:16px;left:16px;display:none;padding:24px;flex-direction:column;border:1px solid rgba(255,255,255,.08);border-radius:18px;background:rgba(5,8,23,.97)}
  .nav.active{display:flex}
  .hero-grid,.method-grid{grid-template-columns:1fr}
  .hero-copy{text-align:center}
  .hero-copy>p{margin-inline:auto}
  .hero-actions,.status-note{justify-content:center}
  .hero-visual{min-height:430px;justify-items:center}
  .brain-frame{width:min(100%,680px)}
  .brain-image{width:100%;transform:none;-webkit-mask-image:none;mask-image:none}
  .chip-one{top:6%;left:4%}
  .chip-two{top:6%;right:4%}
  .chip-three{bottom:8%;left:6%}
  .visual-label{right:auto;left:50%;transform:translateX(-50%)}
  .areas-grid,.sources-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .container{width:min(100% - 28px,1180px)}
  .brand-logo{width:min(180px,52vw)}
  .hero{padding-top:calc(var(--header) + 38px);min-height:auto;padding-bottom:28px}
  .hero h1{max-width:none;font-size:clamp(1.85rem,8.4vw,2.95rem);line-height:1.06}
  .hero-copy>p{font-size:1rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-visual{min-height:300px}
  .brain-frame{width:min(100%,460px);border-radius:22px}
  .science-chip{font-size:.58rem;padding:6px 9px}
  .chip-one{top:4%;left:2%}
  .chip-two{top:4%;right:2%}
  .chip-three{bottom:10%;left:4%}
  .visual-label{bottom:10px;font-size:.58rem;padding:8px 10px}
  .section{padding:82px 0}
  .areas-grid,.sources-grid,.method-steps{grid-template-columns:1fr}
  .module-card{min-height:auto;padding-bottom:68px}
  .footer-wrap{grid-template-columns:1fr}
  .footer-links{gap:12px 18px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}


/* Primera versión temática del Observatorio */
.module-card { padding-bottom: 72px; }
.module-topics {
  display: grid;
  gap: 7px;
  margin: 18px 0 12px;
  padding: 0;
  list-style: none;
}
.module-topics li {
  position: relative;
  padding-left: 17px;
  color: #c8cee0;
  font-size: .82rem;
}
.module-topics li::before {
  content: "";
  position: absolute;
  top: .68em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg,var(--gold),var(--violet-light));
  box-shadow: 0 0 10px rgba(174,99,255,.32);
}
.observatory-note {
  padding: 24px 0 34px;
  border-top: 1px solid rgba(255,255,255,.05);
  background: rgba(4,6,18,.72);
}
.observatory-note p {
  max-width: 980px;
  margin: 0 auto;
  color: #929ab1;
  font-size: .78rem;
  line-height: 1.65;
  text-align: center;
}
.observatory-note strong { color: #d9dced; }