:root{--azul:#00c8e6;--azul-osc:#0d1b24;--acento:#72f0ff;--texto:#e8eef2;--muted:#99a7b3;--card:#12202a;--card-bd:#1b2c37;--white:#fff}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:'Montserrat',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#0b1620 0%, #0f1e29 60%, #0b1620 100%);color:var(--texto)}
.container{width:min(1120px,92%);margin:0 auto}
/* Topbar */
.topbar{position:sticky;top:0;z-index:30;backdrop-filter:saturate(180%) blur(8px);background:rgba(10,20,28,0.6);border-bottom:1px solid #0f2a36}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white)}
.logo{height:36px;width:auto}
.brand-text{line-height:1}.brand-title{font-weight:700;letter-spacing:1.2px}.brand-sub{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:18px;align-items:center}.nav a{color:var(--muted);text-decoration:none;font-weight:600}.nav a:hover{color:var(--texto)}
/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid transparent;transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease}
.btn-primary{background:var(--azul);color:#032029}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,200,230,.25)}
.btn-outline{border-color:var(--azul);color:var(--azul)}.btn-outline:hover{background:rgba(0,200,230,.1)}
.btn-ghost{color:var(--texto);border-color:#284353}.btn-ghost:hover{background:rgba(40,67,83,.35)}
/* Hero */
.hero{position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(1200px 600px at 85% 20%, rgba(0,200,230,.18), transparent 60%),radial-gradient(900px 500px at 10% 80%, rgba(0,255,200,.08), transparent 55%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;padding:72px 0 64px;min-height:520px;align-items:center}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 12px}.lead{color:var(--muted);font-size:18px;max-width:48ch;margin:0 0 24px}
.cta-group{display:flex;gap:12px;flex-wrap:wrap}.hero-art img{width:260px;filter:drop-shadow(0 20px 40px rgba(0,200,230,.15))}
.section{padding:56px 0}.section h2{font-size:28px;margin:0 0 24px}
/* Cards */
.cards .grid{display:grid;gap:18px;grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--card-bd);padding:20px;border-radius:14px;min-height:150px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-4px);border-color:#2a4555;box-shadow:0 12px 28px rgba(3,32,41,.35)}
.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:#c8d6df}
/* About */
.about-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.bullets{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bullets li{background:#0f2230;border:1px solid #183447;padding:10px 12px;border-radius:10px}
/* Contact */
.contact-inner{text-align:center}.contact-inner p{color:var(--muted);margin:6px 0 18px}
/* Footer */
.footer{border-top:1px solid #0f2a36;margin-top:24px}.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--texto)}
/* Responsive */
@media (max-width: 960px){.hero-inner{grid-template-columns:1fr;gap:24px;text-align:center}.hero-art img{margin:0 auto}.cards .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-inner{grid-template-columns:1fr}}
@media (max-width: 540px){.cards .grid{grid-template-columns:1fr}.hero h1{font-size:32px}}