:root{
  --accent:#5b6cff; /* измените под фирменный цвет */
  --text:#0f172a;
  --muted:#64748b;
  --bg:#ffffff;
  --bg-alt:#f6f7fb;
  --card:#ffffff;
  --border:#e5e7eb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-dot{width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 30% 30%, var(--accent), transparent 60%);box-shadow:0 0 12px var(--accent)}
.menu{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.menu a{opacity:.85} .menu a:hover{opacity:1}
.cta-call{padding:8px 12px;border:1px solid var(--border);border-radius:12px}
/* Hero */
.hero{padding:86px 0;background:var(--bg)}
.hero h1{font-size:clamp(32px,5vw,60px);margin:0 0 10px;line-height:1.1}
.hero .sub{font-size:clamp(16px,2vw,20px);color:var(--muted);max-width:820px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.hero-points li{background:var(--bg-alt);border:1px solid var(--border);padding:8px 12px;border-radius:999px;font-weight:600;color:#334155}
.btn{display:inline-block;background:var(--accent);color:white;padding:14px 20px;border-radius:12px;font-weight:800;border:1px solid transparent}
.btn:hover{filter:brightness(1.05)} .btn.ghost{background:transparent;color:#111827;border-color:var(--border)}
/* Sections */
.section{padding:68px 0}
.section.alt{background:var(--bg-alt)}
h2{font-size:clamp(24px,3.6vw,40px);margin:0 0 8px}
.muted{color:var(--muted)}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.02)}
.card h3{margin:6px 0 6px}
/* Icons (pure CSS blocks as placeholders) */
.icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg, var(--bg-alt), #fff);border:1px solid var(--border);box-shadow:inset 0 0 0 6px #eaeefa, inset 0 0 0 12px #f7f8fe}
.i-curtain{background-image:repeating-linear-gradient(90deg, #e3e7ff 0 6px, #fff 6px 12px)}
.i-light{background-image:radial-gradient(circle at 60% 40%, #fff 0 12px, #ffeaa7 12px 24px, #fff 24px)}
.i-climate{background-image:radial-gradient(circle at 30% 70%, #d1f1ff 0 14px, #fff 14px)}
.i-security{background-image:conic-gradient(from 0deg, #fff, #ffd1d1, #fff)}
.i-plug{background-image:linear-gradient(135deg, #f0fdf4, #fff)}
.i-lock{background-image:linear-gradient(135deg, #fef3c7, #fff)}
.i-scene{background-image:linear-gradient(135deg, #e9d5ff, #fff)}
.i-hub{background-image:linear-gradient(135deg, #cffafe, #fff)}
/* Integrations */
.badges{align-items:stretch}
.badge{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 16px;font-weight:700;text-align:center}
.note{margin-top:10px;color:#334155}
/* Steps */
.steps{display:grid;gap:16px}
.step{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px 16px}
.num{width:32px;height:32px;border-radius:50%;background:var(--bg-alt);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:800}
/* FAQ */
.faq{margin:8px 0;background:#fff;border:1px solid var(--border);border-radius:14px;padding:12px 14px}
.faq summary{cursor:pointer;font-weight:700}
/* Contact */
.contact .contact-grid{display:grid;gap:18px}
@media(min-width:860px){.contact .contact-grid{grid-template-columns:1fr 1fr}}
.form-wrap .card{padding:0;border:none}
/* Footer */
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:24px 0;color:#334155}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.links a{margin-left:10px}
/* Floating call button */
.fab{position:fixed;right:18px;bottom:18px;display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--accent);color:white;font-size:22px;box-shadow:0 10px 24px rgba(0,0,0,.15);z-index:60}