/* Research Assessor & Training — sistema visual compartido */
:root{
  --navy:#00204A; --navy-2:#0A2F66; --blue:#0066B2; --cyan:#1C8FD9;
  --orange:#F39200; --gold:#D4AF37; --gold-2:#F6C453;
  --ink:#14213D; --muted:#5B6B82; --line:#E3E9F2; --bg:#FFFFFF; --soft:#F5F8FC;
  --radius:18px; --shadow:0 10px 30px rgba(0,32,74,.08); --shadow-lg:0 24px 60px rgba(0,32,74,.14);
  --grad-brand:linear-gradient(135deg,var(--blue),var(--navy));
  --grad-gold:linear-gradient(135deg,var(--gold-2),var(--orange));
  --accent:var(--orange);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Nunito Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Quicksand","Nunito Sans",sans-serif;color:var(--navy);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
.eyebrow{font-family:"Montserrat",sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--blue)}
.eyebrow .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin:0 .7em;vertical-align:middle}
.lead{font-size:1.12rem;color:var(--muted);max-width:640px}
.hl{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Barra superior */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px}
.topbar .logo img{height:50px;width:auto}
.nav{display:flex;align-items:center;gap:26px;font-weight:600;font-size:.95rem;color:var(--navy)}
.nav a:hover{color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;color:var(--navy)}
.parent-link{font-size:.82rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.parent-link img{height:26px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:.98rem;transition:transform .2s,box-shadow .2s,background .2s;border:2px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(0,102,178,.28)}
.btn-gold{background:var(--grad-gold);color:var(--navy);box-shadow:0 10px 24px rgba(243,146,0,.28)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-ghost:hover{background:var(--navy);color:#fff}

/* Héroe con ondas */
.hero{position:relative;padding:90px 0 120px;overflow:hidden;background:#fff}
.hero::before{content:"";position:absolute;right:-180px;top:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(28,143,217,.22),rgba(0,102,178,0) 65%);pointer-events:none}
.hero::after{content:"";position:absolute;right:-120px;top:120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(246,196,83,.25),rgba(246,196,83,0) 65%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.waves{position:absolute;left:0;right:0;bottom:-1px;line-height:0;pointer-events:none}
.waves svg{width:100%;height:110px}

/* Secciones */
section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 54px}
.section-head .lead{margin:14px auto 0}
.soft{background:var(--soft)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card p{color:var(--muted);margin-top:10px}
.icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(0,102,178,.12),rgba(243,146,0,.12));color:var(--blue);margin-bottom:18px}
.icon svg{width:26px;height:26px}
.tag{display:inline-block;font-family:"Montserrat",sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:rgba(0,102,178,.1);color:var(--blue)}
.tag.gold{background:rgba(243,146,0,.14);color:#B86A00}
.tag.green{background:rgba(22,163,74,.12);color:#15803D}

/* CTA */
.cta{position:relative;border-radius:28px;padding:56px;background:var(--navy);color:#fff;overflow:hidden}
.cta::after{content:"";position:absolute;right:-80px;bottom:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(243,146,0,.45),rgba(243,146,0,0) 65%)}
.cta h2{color:#fff}.cta p{color:#C9D6EA;max-width:560px;margin-top:12px}
.cta .row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1}

/* Pie */
footer{position:relative;background:var(--navy);color:#C9D6EA;padding:70px 0 30px;margin-top:40px}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--orange),var(--gold-2),var(--blue))}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-logo{background:#fff;border-radius:16px;padding:14px 18px;display:inline-block}
.foot-logo img{height:56px;width:auto}
footer h4{font-family:"Montserrat",sans-serif;color:#fff;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:16px}
footer li{list-style:none;margin:8px 0}
footer a:hover{color:var(--gold-2)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.88rem}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08)}
.social a:hover{background:var(--orange);color:#fff}
.social svg{width:18px;height:18px}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.4)}
.wa-float svg{width:30px;height:30px;color:#fff}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:960px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--line);gap:14px}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .hero{padding:56px 0 90px}
  section{padding:64px 0}
  .cta{padding:34px 24px}
  .foot-grid{grid-template-columns:1fr}
  .topbar .logo img{height:42px}
}