:root{
  --bg:#0b0b0f;
  --card:#13131a;
  --text:#e9e9f1;
  --muted:#a1a1b3;
  --accent:#ff2a2a; /* API red */
  --brand:#ffffff;  /* ShellCloud white */
  --line:#242436;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";}
a{color:#c7d2fe;text-decoration:none}
a:hover{opacity:.9}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{position:sticky;top:0;background:rgba(11,11,15,.85);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:800;font-size:20px;letter-spacing:.4px}
.brand-shell{color:var(--brand)}
.brand-api{color:var(--accent)}
.nav{display:flex;gap:18px;align-items:center}
.nav a{padding:8px 10px;border-radius:10px}
.nav .btn{background:var(--accent);color:#fff}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;margin-top:32px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.hero h1{font-size:40px;line-height:1.1;margin:0 0 8px}
.badges{display:flex;gap:10px;flex-wrap:wrap}
.badge{border:1px solid var(--line);background:#0f0f16;border-radius:999px;padding:8px 12px;font-size:12px;color:var(--muted)}
.cta{display:flex;gap:12px;margin-top:14px}
.button{display:inline-block;background:#1f1f2a;border:1px solid var(--line);padding:10px 14px;border-radius:12px;color:#fff}
.button.primary{background:var(--accent);border-color:var(--accent)}
.section{margin:36px 0}
.section h2{margin:0 0 10px;font-size:26px}
.list{display:grid;gap:12px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kpis .k{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.k .num{font-size:22px;font-weight:700}
.site-footer{margin-top:40px;border-top:1px solid var(--line);}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:16px;padding:20px 0}
.site-footer h4{margin:0 0 8px}
.site-footer .muted{color:var(--muted)}
.site-footer .contact{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.address-line{border-top:1px solid var(--line);padding:10px 24px;color:var(--muted)}
.copyright{border-top:1px solid var(--line);padding:10px 24px;color:#8b8ba3;text-align:center}
form .row{display:grid;gap:10px;margin:10px 0}
input,textarea,select{width:100%;background:#0f0f16;border:1px solid var(--line);border-radius:10px;color:#fff;padding:10px}
label{font-size:13px;color:var(--muted)}
.table{width:100%;border-collapse:collapse}
.table td,.table th{border:1px solid var(--line);padding:10px}
.alert{border:1px dashed var(--accent);color:#ffd3d3;background:#2a0f0f;padding:12px;border-radius:12px}
.small{font-size:12px;color:var(--muted)}
.hero-illus{width:100%;border-radius:16px;border:1px solid var(--line);background:linear-gradient(135deg,#111,#17172a)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;background:#0d0d15;border:1px solid var(--line);padding:12px;border-radius:12px;overflow:auto}
blockquote{border-left:3px solid var(--accent);padding-left:12px;color:#cbd5e1}
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}