:root{
  --g-blue:#0057ff; --g-cyan:#00eaff; --g-deep:#03112f; --g-navy:#061a46;
  --g-ink:#08152f; --g-text:#24324d; --g-muted:#60708e; --g-card:#ffffff;
  --g-border:rgba(0,87,255,.14); --g-shadow:0 14px 40px rgba(3,17,47,.10);
  --g-radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--g-text);background:#f4f8ff;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:inherit}
.v21-wrap{width:min(1180px,calc(100% - 32px));margin:auto}
.v21-top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--g-border);box-shadow:0 4px 18px rgba(3,17,47,.07);backdrop-filter:blur(10px)}
.v21-top-inner{min-height:72px;display:flex;align-items:center;gap:18px;justify-content:space-between}
.v21-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;color:var(--g-deep);white-space:nowrap}
.v21-brand img{width:48px;height:48px;object-fit:contain;border-radius:14px;background:#000}
.v21-brand span{font-size:1.05rem;letter-spacing:.04em}
.v21-nav{display:flex;gap:6px;align-items:center;overflow:auto;scrollbar-width:none}
.v21-nav::-webkit-scrollbar{display:none}
.v21-nav a{padding:10px 12px;border-radius:12px;text-decoration:none;font-weight:750;font-size:.9rem;white-space:nowrap}
.v21-nav a:hover,.v21-nav a:focus-visible{background:#e9f1ff;color:var(--g-blue);outline:none}
.v21-menu{display:none;border:1px solid var(--g-border);background:#fff;border-radius:12px;padding:10px 12px;font-size:1rem}
.v21-hero{position:relative;overflow:hidden;padding:64px 0 42px;background:linear-gradient(135deg,#03112f 0%,#062b72 52%,#0057ff 100%);color:#fff}
.v21-hero:after{content:"";position:absolute;inset:auto -10% -80px -10%;height:180px;background:radial-gradient(circle at 50% 0,rgba(0,234,255,.30),transparent 55%);pointer-events:none}
.v21-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center;position:relative;z-index:1}
.v21-kicker{display:inline-flex;padding:7px 11px;border:1px solid rgba(0,234,255,.38);border-radius:999px;color:#8ff8ff;font-weight:850;font-size:.78rem;letter-spacing:.12em}
.v21-hero h1{font-size:clamp(2.6rem,6vw,5.2rem);line-height:1.02;margin:18px 0 20px;letter-spacing:-.05em}
.v21-hero h1 span{color:#6ff7ff}
.v21-lead{font-size:clamp(1.05rem,2vw,1.32rem);max-width:760px;color:#eaf6ff}
.v21-hero-logo{width:min(360px,80%);justify-self:center;filter:drop-shadow(0 20px 35px rgba(0,0,0,.30))}
.v21-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.v21-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:14px;text-decoration:none;font-weight:850;border:1px solid rgba(0,87,255,.20);background:#fff;color:var(--g-blue);cursor:pointer}
.v21-btn.primary{background:#00eaff;color:#03112f;border-color:#00eaff}
.v21-btn.dark{background:#08265d;color:#fff;border-color:rgba(255,255,255,.18)}
.v21-btn:hover{filter:brightness(.97)}
.v21-section{padding:46px 0}
.v21-section.alt{background:#edf4ff}
.v21-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.v21-heading h2{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.1;margin:6px 0}
.v21-heading p{max-width:720px;margin:0;color:var(--g-muted);font-size:1.03rem}
.v21-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.v21-grid.four{grid-template-columns:repeat(4,1fr)}
.v21-card{display:block;text-decoration:none;background:var(--g-card);border:1px solid var(--g-border);border-radius:var(--g-radius);padding:22px;box-shadow:var(--g-shadow)}
.v21-card:hover{border-color:rgba(0,87,255,.34);box-shadow:0 18px 44px rgba(0,87,255,.13)}
.v21-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf1ff,#dffcff);font-size:1.55rem;margin-bottom:15px}
.v21-card h3{margin:0 0 8px;font-size:1.3rem;color:var(--g-ink)}
.v21-card p{margin:0;color:var(--g-text);font-size:1rem}
.v21-card .mini{display:block;margin-top:15px;color:var(--g-blue);font-weight:850}
.v21-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.v21-panel{background:#fff;border:1px solid var(--g-border);border-radius:var(--g-radius);padding:28px;box-shadow:var(--g-shadow)}
.v21-panel h2{font-size:clamp(1.8rem,3vw,2.8rem);margin:8px 0 12px;color:var(--g-ink);line-height:1.1}
.v21-panel p{font-size:1.05rem}
.v21-curiosity{border-left:5px solid var(--g-cyan);background:linear-gradient(135deg,#fff,#f0fbff);padding:18px 20px;border-radius:16px;margin-top:18px}
.v21-curiosity strong{display:block;color:var(--g-blue);font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}
.v21-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}
.v21-list li{padding:13px 14px;background:#f5f8ff;border:1px solid var(--g-border);border-radius:14px}
.v21-footer{margin-top:30px;background:#03112f;color:#dcecff;padding:34px 0}
.v21-footer a{color:#7ff5ff}
.v21-note{font-size:.9rem;color:var(--g-muted)}
.v21-page{min-height:70vh;padding:42px 0}
.v21-page-head{background:linear-gradient(135deg,#03112f,#073f9b);color:#fff;border-radius:28px;padding:32px;margin-bottom:22px}
.v21-page-head h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.05;margin:10px 0}
.v21-page-head p{font-size:1.08rem;max-width:850px;color:#eaf6ff}
.v21-content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px}
.v21-content{background:#fff;border:1px solid var(--g-border);border-radius:24px;padding:28px;box-shadow:var(--g-shadow)}
.v21-content h2{font-size:clamp(1.5rem,3vw,2.2rem);color:var(--g-ink);margin-top:1.3em}
.v21-content h3{font-size:1.25rem;color:#063c98}
.v21-content p,.v21-content li{font-size:1.04rem}
.v21-side{display:grid;gap:16px;align-content:start}
.v21-side .v21-card{padding:20px}
@media(max-width:900px){.v21-hero-grid,.v21-feature,.v21-content-grid{grid-template-columns:1fr}.v21-grid,.v21-grid.four{grid-template-columns:repeat(2,1fr)}.v21-hero-logo{max-width:260px}.v21-nav{display:none}.v21-menu{display:block}}
@media(max-width:620px){.v21-wrap{width:min(100% - 20px,1180px)}.v21-top-inner{min-height:64px}.v21-brand img{width:42px;height:42px}.v21-hero{padding:42px 0 30px}.v21-grid,.v21-grid.four{grid-template-columns:1fr}.v21-section{padding:32px 0}.v21-panel,.v21-content,.v21-page-head{padding:21px;border-radius:20px}.v21-actions{flex-direction:column}.v21-btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Compatibilidade com páginas antigas do GIRUZIN */
body:not(:has(.v21-hero)):not(:has(.lab-hero)){background:#f4f8ff}
body > header:not(.v21-top){border-bottom:1px solid rgba(0,87,255,.14);box-shadow:0 4px 18px rgba(3,17,47,.07)}
body > main{max-width:1180px;margin-left:auto;margin-right:auto}
.v21-auto-curiosity{display:flex;gap:10px;align-items:flex-start;max-width:900px;margin:14px 0 22px;font-size:1rem;color:#16325f}
.v21-auto-curiosity span{display:block}
@media(max-width:900px){.v21-nav.v21-open{display:flex;position:absolute;left:10px;right:10px;top:70px;flex-wrap:wrap;background:#fff;padding:10px;border:1px solid var(--g-border);border-radius:16px;box-shadow:var(--g-shadow)}}