:root{
  --bg:#e8f0ea;
  --panel:#fffdf8;
  --ink:#102317;
  --muted:#4b6355;
  --line:#c8d7cb;
  --accent:#1f6a3d;
  --accent-2:#d96b1d;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at top right, rgba(217,107,29,.14), transparent 28%),
    linear-gradient(180deg, #f4f7f1 0%, var(--bg) 100%);
}

.site-topbar{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 18px;
  left:0;
  right:0;
  width:100%;
  border-bottom:1px solid var(--line);
  background:rgba(255,253,248,.88);
  backdrop-filter:blur(10px);
}

.site-brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.site-brand > a{
  display:flex;
  align-items:center;
  justify-content:center;
  background:#e11b22;
  border-radius:10px;
  padding:4px;
}

.site-logo{
  height:36px;
  width:auto;
  display:block;
  -webkit-user-drag:none;
  user-select:none;
}

.site-brand-title{
  font-weight:800;
  letter-spacing:.2px;
}

.site-brand-subtitle{
  font-size:12px;
  color:var(--muted);
}

.landing{
  max-width:1100px;
  margin:0 auto;
  padding:36px 20px 60px;
}

.hero{
  padding:42px 28px;
  border:1px solid var(--line);
  border-radius:28px;
  background:rgba(255,253,248,.92);
  box-shadow:0 20px 60px rgba(16,35,23,.08);
}

.eyebrow{
  margin:0 0 10px;
  letter-spacing:.18em;
  font-size:12px;
  font-weight:700;
  color:var(--muted);
}

h1{
  margin:0;
  font-size:clamp(28px, 4.1vw, 48px);
  line-height:1.02;
}

.lead{
  max-width:760px;
  margin:14px 0 0;
  font-size:clamp(15px, 1.45vw, 18px);
  line-height:1.55;
  color:var(--muted);
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}

.demo-access{
  margin-top:18px;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:20px;
  background:rgba(255,255,255,.72);
  color:var(--ink);
}

.demo-access strong{
  display:block;
  margin-bottom:8px;
}

.demo-line{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:10px;
  align-items:start;
  margin-top:6px;
}

.demo-label{
  font-weight:700;
}

.demo-access code{
  font-family:"Courier New", monospace;
  font-size:.95em;
  background:rgba(16,35,23,.08);
  padding:2px 6px;
  border-radius:8px;
}

.small-note{
  margin-top:8px;
  color:var(--muted);
  font-size:15px;
}

.actions a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  border:1px solid transparent;
  border-radius:12px;
  min-height:42px;
  padding:10px 16px;
  font-weight:400;
  font-size:14px;
  line-height:1.2;
}

.actions .primary{
  background:linear-gradient(135deg, #1f4fbf, #2b63ff);
  color:#fff;
  border-color:transparent;
}

.actions .success{
  background:rgba(22,163,74,.10);
  color:#166534;
  border-color:rgba(22,163,74,.25);
}

.actions .ghost{
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
}

.grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
  margin-top:18px;
}

.panel{
  min-height:100%;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--panel);
}

.panel h2{
  margin:0 0 12px;
  font-size:24px;
}

.panel p,
.panel li{
  font-size:17px;
  line-height:1.55;
  color:var(--muted);
}

.panel ul{
  margin:0;
  padding-left:20px;
}

.contact a{
  color:var(--accent);
}

@media (max-width: 860px){
  .site-topbar{
    padding:10px 14px;
  }

  .grid{
    grid-template-columns:1fr;
  }

  .hero{
    padding:30px 20px;
  }

  .demo-line{
    grid-template-columns:1fr;
    gap:4px;
  }
}