:root{
  --bg:#080b13;
  --bg2:#0c1020;
  --panel:#111827;
  --panel2:#151b2e;
  --line:rgba(255,255,255,.12);
  --text:#e5e7eb;
  --muted:#9ca3af;
  --soft:#cbd5e1;
  --brand:#8b5cf6;
  --brand2:#38bdf8;
  --brand3:#f0abfc;
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#fb7185;
  --shadow:0 24px 70px rgba(0,0,0,.45);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 20% 10%, rgba(56,189,248,.18), transparent 30%),
    radial-gradient(circle at 72% 0%, rgba(139,92,246,.22), transparent 34%),
    linear-gradient(180deg,#070a12 0%,#0b1020 42%,#090d18 100%);
  color:var(--text);
  font:16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a{color:inherit;text-decoration:none}
a:hover{color:#fff}
img{max-width:100%;height:auto}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(8,11,19,.75);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.1px}
.logo img{width:34px;height:34px;border-radius:10px}
.logo span{font-size:19px}
.nav-links{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px}
.nav-actions{display:flex;gap:10px;align-items:center}
.mobile-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:8px 10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 17px;border-radius:999px;border:1px solid rgba(255,255,255,.15);
  background:rgba(255,255,255,.04);color:#fff;font-weight:700;box-shadow:none;
  transition:transform .18s ease, border-color .18s ease, background .18s ease;
}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08)}
.btn.primary{border:none;background:linear-gradient(135deg,var(--brand2),var(--brand),var(--brand3));color:#06111f;box-shadow:0 14px 36px rgba(139,92,246,.25)}
.btn.small{padding:8px 12px;font-size:14px}
.btn.ghost{background:transparent}
.hero{padding:78px 0 44px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(340px,.96fr);gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#bae6fd;border:1px solid rgba(125,211,252,.25);background:rgba(56,189,248,.08);border-radius:999px;padding:6px 11px;font-size:13px;font-weight:700;margin-bottom:16px}
h1{font-size:clamp(42px,6vw,76px);line-height:.98;margin:0 0 22px;letter-spacing:-.06em}
h2{font-size:clamp(30px,4vw,48px);line-height:1.08;margin:0 0 18px;letter-spacing:-.045em}
h3{font-size:22px;margin:0 0 10px;line-height:1.2;letter-spacing:-.02em}
p{margin:0 0 16px;color:var(--soft)}
.lead{font-size:20px;color:#dbeafe;max-width:720px}
.muted{color:var(--muted)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 18px}
.trust-row{display:flex;gap:16px;flex-wrap:wrap;color:#9ca3af;font-size:14px;margin-top:16px}
.trust-row span{display:flex;align-items:center;gap:6px}
.dot{width:7px;height:7px;border-radius:999px;background:var(--ok);display:inline-block}
.panel{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
}
.app-card{padding:18px;position:relative}
.window{background:#0d1323;border:1px solid rgba(255,255,255,.12);border-radius:20px;overflow:hidden}
.window-bar{height:42px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;padding:0 14px;color:#94a3b8;font-size:13px}
.window-dots{display:flex;gap:7px}.window-dots i{width:10px;height:10px;border-radius:999px;background:#475569}.window-dots i:nth-child(1){background:#fb7185}.window-dots i:nth-child(2){background:#fbbf24}.window-dots i:nth-child(3){background:#34d399}
.device-list{padding:18px;display:grid;gap:12px}
.device{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px;border:1px solid rgba(255,255,255,.09);border-radius:16px;background:rgba(255,255,255,.035)}
.device-name{display:flex;align-items:center;gap:12px}.speaker-icon{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(56,189,248,.25),rgba(139,92,246,.28));display:grid;place-items:center;font-size:20px}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:5px 9px;font-size:12px;color:#cbd5e1;background:rgba(255,255,255,.04)}
.badge.ok{color:#bbf7d0;border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.08)}
.badge.warn{color:#fde68a;border-color:rgba(251,191,36,.28);background:rgba(251,191,36,.08)}
.meter{height:72px;border-radius:16px;background:linear-gradient(90deg,rgba(56,189,248,.2),rgba(139,92,246,.25));display:flex;align-items:end;gap:5px;padding:14px;margin:0 18px 18px}.meter i{flex:1;border-radius:999px;background:rgba(255,255,255,.55);height:20%}.meter i:nth-child(2){height:48%}.meter i:nth-child(3){height:70%}.meter i:nth-child(4){height:36%}.meter i:nth-child(5){height:86%}.meter i:nth-child(6){height:54%}.meter i:nth-child(7){height:76%}.meter i:nth-child(8){height:42%}
.section{padding:72px 0}.section.tight{padding:48px 0}.section-head{max-width:760px;margin-bottom:34px}.center{text-align:center;margin-left:auto;margin-right:auto}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{padding:24px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));border:1px solid var(--line)}
.card p:last-child{margin-bottom:0}.card .icon{font-size:26px;margin-bottom:12px}.card.kpi strong{font-size:30px;display:block;color:#fff;letter-spacing:-.04em}.card.kpi span{color:var(--muted);font-size:14px}
.topic-band{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.topic-band a,.chip{display:inline-flex;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.035);border-radius:999px;padding:8px 11px;color:#cbd5e1;font-size:13px}
.steps{counter-reset:step;display:grid;gap:14px}.step{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}.step:before{counter-increment:step;content:counter(step);width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand2),var(--brand));display:grid;place-items:center;font-weight:900;color:#07111f}
.table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:18px;border:1px solid var(--line)}.table th,.table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{background:rgba(255,255,255,.06);color:#fff}.table tr:last-child td{border-bottom:0}.table td{color:#cbd5e1}
.callout{padding:24px;border-radius:var(--radius);border:1px solid rgba(125,211,252,.22);background:linear-gradient(135deg,rgba(56,189,248,.09),rgba(139,92,246,.09))}
.warning{border-color:rgba(251,191,36,.28);background:rgba(251,191,36,.08)}
.footer{border-top:1px solid var(--line);padding:42px 0;color:#9ca3af;background:rgba(0,0,0,.16)}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:24px}.footer a{display:block;color:#9ca3af;margin:7px 0;font-size:14px}.footer strong{color:#fff}
.page-hero{padding:70px 0 26px;border-bottom:1px solid rgba(255,255,255,.08)}.page-hero h1{font-size:clamp(38px,5vw,64px);max-width:900px}.breadcrumbs{font-size:13px;color:#94a3b8;margin-bottom:14px}.breadcrumbs a{color:#bae6fd}
.article{padding:48px 0}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:38px}.article-content{max-width:820px}.article-content h2{font-size:32px;margin-top:40px}.article-content ul{color:#cbd5e1}.toc{position:sticky;top:96px;align-self:start}.toc a{display:block;color:#94a3b8;font-size:14px;margin:8px 0}.faq details{border:1px solid var(--line);border-radius:16px;padding:16px 18px;background:rgba(255,255,255,.035);margin-bottom:12px}.faq summary{cursor:pointer;font-weight:800;color:#fff}.faq p{margin-top:10px;margin-bottom:0}
.form{display:grid;gap:12px}.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:#0b1222;color:#fff;font:inherit}.form textarea{min-height:110px}.form label{font-size:13px;color:#cbd5e1;font-weight:700}.form.is-submitting{opacity:.78}.form.is-submitting button{cursor:wait}.form.is-complete{display:block}
.notice{display:none}
.form-result{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:18px;background:rgba(255,255,255,.045)}
.form-result strong{display:block;color:#fff;font-size:20px;line-height:1.25;margin-bottom:8px}
.form-result p{margin-bottom:14px}.form-result.success{border-color:rgba(52,211,153,.36);background:rgba(52,211,153,.09)}.form-result.error{border-color:rgba(251,113,133,.38);background:rgba(251,113,133,.1)}
@media (max-width:900px){.hero-grid,.grid-3,.grid-2,.grid-4,.article-grid,.footer-grid{grid-template-columns:1fr}.nav-links{display:none}.mobile-toggle{display:inline-flex}.nav.open .nav-links{position:absolute;display:grid;left:0;right:0;top:72px;background:#080b13;border-bottom:1px solid var(--line);padding:18px 24px}.hero{padding-top:48px}.nav-actions .btn.ghost{display:none}}
@media (max-width:520px){.container{padding:0 18px}.hero-actions{display:grid}.btn{width:100%}.table{font-size:14px}.table th,.table td{padding:10px}.nav-inner{height:66px}.nav.open .nav-links{top:66px}}