/* OPOGEN Pro v2 — refined single page */
:root{
  --bg:#0a101d;
  --bg2:#0f1a31;
  --text:#f5f7ff;
  --muted:#9fb0cc;
  --gold:#f0b15d; --cocoa:#6b564d;
  --accent:#79c4ff;
  --glass: blur(14px) saturate(160%);
  --radius: 18px; --r2: 24px;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,var(--bg),var(--bg2));background-attachment:fixed}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
h1,h2,h3{letter-spacing:.2px}
.muted{color:var(--muted)}

/* Header */
header.site{position:sticky;top:0;z-index:60;background:rgba(8,14,28,.6);backdrop-filter:var(--glass);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.nav .left{display:flex;align-items:center;gap:12px}
.logo{height:34px}
.brand{font-size:1rem;font-weight:800;letter-spacing:.6px;background:linear-gradient(135deg,var(--gold),var(--cocoa));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav ul{display:flex;gap:10px;list-style:none;margin:0;padding:0}
.link{padding:10px 12px;border-radius:12px;color:var(--muted);font-weight:600}
.link:hover,.link.active{color:var(--text);background:rgba(255,255,255,.08)}
.nav .burger{display:none;}

.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.86rem 1.12rem;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));box-shadow:var(--shadow);transition:transform .18s ease, box-shadow .18s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 22px 60px rgba(0,0,0,.5)}
.btn.primary{background:linear-gradient(135deg,var(--gold),var(--cocoa));color:#2a1c12;font-weight:900}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.28)}

/* Hero */
.hero{padding:84px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.tag{display:inline-block;padding:.38rem .7rem;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-weight:700;color:var(--muted)}
.hero h1{font-size:2.8rem;line-height:1.08;margin:.4rem 0}
.hero p{color:var(--muted);font-size:1.05rem}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:12px}
.kpi{padding:14px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.kpi .label{font-size:.8rem;color:var(--muted)}
.kpi .val{font-size:1.2rem;font-weight:800;margin-top:4px}

/* browser mock */
.browser{border-radius:16px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);overflow:hidden;box-shadow:var(--shadow)}
.browser .bar{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);padding:8px 12px}
.dot{height:10px;width:10px;border-radius:999px;background:rgba(255,255,255,.35)}
.browser .viewport{background:#0c1427}
.viewport img{display:block;width:100%;height:auto}

/* Sections */
.section{padding:74px 0}
.section h2{font-size:2rem;margin:0 0 10px}
.section p.lead{color:var(--muted);margin:0 0 18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{padding:18px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow)}
.card h3{margin:6px 0 8px}
.card p{color:var(--muted)}

.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.pill{border:1px solid rgba(255,255,255,.22);padding:.38rem .65rem;border-radius:999px;background:rgba(255,255,255,.04);white-space:nowrap}

.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th,.table td{padding:12px 14px;text-align:left;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.table th:first-child,.table td:first-child{border-top-left-radius:12px;border-bottom-left-radius:12px}
.table th:last-child,.table td:last-child{border-top-right-radius:12px;border-bottom-right-radius:12px}

.cta-band{background:linear-gradient(135deg,rgba(240,177,93,.15),rgba(107,86,77,.15));border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:18px}

/* Blog cards */
.blog{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.blog .post{overflow:hidden}
.post img{border-radius:14px;margin-bottom:10px;border:1px solid rgba(255,255,255,.1)}

footer{padding:56px 0;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:18px}
.footer-grid h4{color:var(--text)}

@media (max-width: 1020px){
  .hero .wrap{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .blog{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav ul{display:none}
  .nav .burger{display:inline-flex;gap:8px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);padding:.6rem .8rem;border-radius:12px}
  .nav.open ul{display:flex;position:absolute;top:62px;left:0;right:0;background:rgba(8,14,28,.95);padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open ul li{flex:1;text-align:center}
}