/* ============================================================
   AUREA CAPITAL — Hoja de estilos compartida
   Estética premium: navy profundo + jerarquía de dorados
   ============================================================ */
:root{
  --navy:#081228;        /* base más profunda que la landing */
  --navy2:#0C1D3D;
  --navy3:#12294F;
  
  --line:#1B3358;
  --gold:#C9A227;
  --gold-lt:#E7C95B;
  --gold-dk:#9A7E24;
  --ice:#D3E0F5;
  --steel:#8598BC;
  --soft:#AFC0DD;
  --paper:#F6F8FC;
  --ink:#0A1A35;
  --muted:#54637E;
  --green:#2ECC71;
  --maxw:1200px;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ice);background:var(--navy);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---- Typographic system ---- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.06;letter-spacing:-.015em;color:#fff}
.eyebrow{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}

/* ---- Signature: triangular gold hairline mark ---- */
.tri-mark{width:22px;height:20px;display:inline-block;position:relative}
.tri-mark::before{content:"";position:absolute;inset:0;background:
  linear-gradient(135deg,transparent 48%,var(--gold) 49%,var(--gold) 51%,transparent 52%),
  linear-gradient(225deg,transparent 48%,var(--gold) 49%,var(--gold) 51%,transparent 52%)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:15px;padding:15px 30px;border-radius:2px;cursor:pointer;border:none;transition:all .25s var(--ease);position:relative}
.btn-gold{background:linear-gradient(180deg,var(--gold-lt),var(--gold));color:var(--navy)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 30px -8px rgba(201,162,39,.5)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(211,224,245,.28)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-lt)}

/* ---- Navigation ---- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(8,18,40,.7);backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid rgba(211,224,245,.07);transition:background .3s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand-logo{height:42px;width:auto}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{font-size:14.5px;color:var(--soft);font-weight:500;transition:color .2s;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:width .28s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:#fff}
.nav-cta{padding:10px 22px;font-size:14px}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;z-index:110}
.burger span{width:26px;height:2px;background:#fff;display:block;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- Section rhythm ---- */
section{position:relative}
.sec{padding:110px 0}
.sec-sm{padding:80px 0}
.band-navy{background:var(--navy)}
.band-navy2{background:var(--navy2)}
.band-paper{background:var(--paper);color:var(--ink)}
.band-paper h1,.band-paper h2,.band-paper h3,.band-paper h4{color:var(--ink)}
.sec-head{max-width:62ch}
.sec-head h2{font-size:clamp(30px,4.5vw,46px);margin-top:18px}
.sec-head .lead{margin-top:18px;font-size:18px;color:var(--soft);line-height:1.6}
.band-paper .sec-head .lead{color:var(--muted)}

/* ---- Footer ---- */
footer.site{background:#060E20;border-top:1px solid rgba(211,224,245,.07);padding:70px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.foot-brand img{height:52px;margin-bottom:18px}
.foot-brand p{font-size:13.5px;color:var(--steel);max-width:34ch;line-height:1.6}
.foot-col h4{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.foot-col a{display:block;font-size:14px;color:var(--soft);margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(211,224,245,.07);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
.foot-bottom p{font-size:12px;color:var(--steel)}
.foot-legal{font-size:11px;color:#455772;max-width:100%;margin-top:16px;line-height:1.55}

/* ---- WhatsApp float ---- */
.wa{position:fixed;right:24px;bottom:24px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -6px rgba(37,211,102,.5);transition:transform .2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:30px;height:30px}

/* ---- Reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---- */
@media(max-width:920px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:var(--navy2);flex-direction:column;padding:28px;gap:22px;transform:translateY(-120%);transition:transform .35s var(--ease);border-bottom:1px solid var(--line)}
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .sec{padding:76px 0}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{transition:none;opacity:1;transform:none}
}