:root {
  --bg: #0b0614;
  --bg-2: #140a22;
  --card: #1a102c;
  --text: #f4eefc;
  --muted: #b9a8d4;
  --accent: #9b5cff;
  --accent-2: #6d3dff;
  --ok: #3dd68c;
  --line: rgba(155, 92, 255, 0.35);
  --radius: 16px;
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 80% -10%, #2a1450 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  backdrop-filter: blur(12px);
  background: rgba(11, 6, 20, 0.75);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; letter-spacing: 0.02em; font-size: 1.15rem; }
.brand span { color: var(--accent); }
.site-header nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); font-size: 0.92rem; }
.site-header nav a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; border: 0; border-radius: 999px;
  padding: 12px 18px; font-weight: 650; cursor: pointer;
}
.btn-ghost { background: transparent; border: 1px solid var(--line); }
.btn-sm { padding: 8px 14px; font-size: 0.9rem; }
.hero {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px;
  padding: 56px 22px 24px; max-width: 1100px; margin: 0 auto;
}
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; font-weight: 700; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.1; margin: 8px 0 14px; }
.lede { color: var(--muted); max-width: 52ch; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 10px; }
.note { color: var(--muted); font-size: 0.85rem; }
.hero-preview { display: grid; place-items: center; }
.preview-card {
  width: min(100%, 340px); height: 280px; border-radius: 22px;
  background: linear-gradient(180deg, #1d1233, #0d0718);
  border: 1px solid var(--line); position: relative; overflow: hidden;
  box-shadow: 0 30px 80px rgba(90, 40, 180, 0.35);
}
.preview-sky {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 20%, #5a2db8 0%, transparent 45%),
              linear-gradient(180deg, #1a0f30, #07040d 70%);
}
.preview-tower {
  position: absolute; right: 18%; bottom: 18%; width: 64px; height: 160px;
  background: linear-gradient(180deg, #2b1a45, #12091f);
  border: 1px solid rgba(180,140,255,.4);
  box-shadow: 0 0 18px rgba(155,92,255,.45);
}
.preview-tower::before {
  content: ""; position: absolute; inset: 10px 8px;
  background-image: linear-gradient(#f0c45a 0 2px, transparent 2px),
                    linear-gradient(90deg, #f0c45a 0 2px, transparent 2px);
  background-size: 10px 12px; opacity: .7;
}
.preview-tower.short { right: 42%; height: 110px; width: 52px; box-shadow: none; }
.preview-label {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(0,0,0,.55); border: 1px dashed rgba(255,255,255,.35);
  padding: 6px 10px; border-radius: 8px; font-size: 0.7rem; color: #ddd;
}
.section { padding: 48px 22px; max-width: 1100px; margin: 0 auto; }
.section h2 { font-size: 1.7rem; margin: 0 0 10px; }
.section-lede { color: var(--muted); max-width: 60ch; margin-bottom: 22px; }
.demo-grid, .feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.demo-card, .feature-grid article, .flow-card {
  background: rgba(26, 16, 44, 0.85); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px;
}
.demo-thumb {
  height: 140px; border-radius: 12px; margin-bottom: 12px;
  display: grid; place-items: center; color: #ddd; font-size: 0.8rem;
  border: 1px dashed rgba(255,255,255,.25);
}
.demo-thumb.estate { background: linear-gradient(145deg, #2a1648, #0d0818); }
.demo-thumb.shop { background: linear-gradient(145deg, #16324a, #0a1520); }
.feature-grid article h3 { margin: 0 0 6px; font-size: 1.05rem; }
.feature-grid article p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.flow-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.flow-tag { color: var(--accent); text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; font-weight: 700; }
.flow-card ul { padding-left: 18px; color: var(--muted); }
.checks { list-style: none; padding-left: 0; }
.checks li { margin: 8px 0; padding-left: 28px; position: relative; color: var(--muted); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 16px; height: 16px;
  border-radius: 50%; border: 1px solid var(--line);
}
.checks li.ok::before { background: var(--ok); border-color: var(--ok); }
.contact-form {
  display: grid; gap: 12px; max-width: 520px;
  background: rgba(26,16,44,.85); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
}
.contact-form label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); }
.contact-form input, .contact-form select, .contact-form textarea {
  background: #0d0816; border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); padding: 10px 12px; font: inherit;
}
.site-footer {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 28px 22px 40px; border-top: 1px solid var(--line);
  color: var(--muted); max-width: 1100px; margin: 0 auto;
}
.footer-links { display: flex; gap: 14px; }
@media (max-width: 860px) {
  .hero, .demo-grid, .feature-grid, .flow-cards { grid-template-columns: 1fr; }
  .site-header nav a:not(.btn) { display: none; }
}