:root{
  --navy:#0b1b3b;--blue:#2563eb;--blue2:#1d4ed8;--green:#16a34a;--mint:#7ee2a8;
  --ink:#0f172a;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f6f8fc;--card:#fff;
  --radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-size:16px;line-height:1.6}
h1,h2,h3,.brand{font-family:"Plus Jakarta Sans",Inter,sans-serif;color:var(--ink);letter-spacing:-.02em}
a{color:var(--blue)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.hide{display:none!important}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap}
.brand b{color:var(--blue)}
.nav{display:flex;align-items:center;gap:18px}
.nav a{color:var(--text);text-decoration:none;font-weight:500;font-size:15px}
.nav a:hover{color:var(--blue)}
@media (max-width:760px){.nav a:not(.btn){display:none}.brand span{font-size:15px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 22px;font:600 16px Inter,sans-serif;cursor:pointer;text-decoration:none;color:#fff!important;background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 8px 20px rgba(37,99,235,.28);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(37,99,235,.34)}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:10px;box-shadow:none}
.btn-ghost{background:#fff;color:var(--ink)!important;border:1px solid var(--line);box-shadow:none}
.btn-green{background:linear-gradient(135deg,#16a34a,#15803d);box-shadow:0 8px 20px rgba(22,163,74,.28)}
.btn-danger{background:#fff;color:#b91c1c!important;border:1px solid #fecaca;box-shadow:none}
.btn-block{display:flex;width:100%}

/* hero */
.hero{background:radial-gradient(1200px 500px at 70% -10%,#dbe7ff 0,transparent 60%),linear-gradient(180deg,#fff,var(--bg));padding:64px 0 40px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-block;background:#e8f0ff;color:var(--blue2);font-weight:700;font-size:13px;border-radius:999px;padding:5px 12px;margin-bottom:14px}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.08;margin:0 0 16px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue),#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;margin:0 0 24px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.ticks{display:flex;flex-wrap:wrap;gap:8px 18px;margin:20px 0 0;padding:0;list-style:none;font-size:14px;font-weight:500}
.demo{background:var(--navy);border-radius:22px;padding:22px;color:#cbd5e1;box-shadow:0 30px 60px rgba(11,27,59,.35)}
.demo-row{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;margin-bottom:10px}
.demo-row small{display:block;color:var(--mint);font-weight:600;font-size:12px;margin-bottom:2px}
.demo-row span{color:#fff;font-size:15px}
.demo-mic{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:13px}
.wave{display:flex;gap:3px;align-items:center;height:20px}
.wave i{display:block;width:3px;background:var(--mint);border-radius:2px;animation:w 1s ease-in-out infinite}
.wave i:nth-child(2){animation-delay:.1s}.wave i:nth-child(3){animation-delay:.2s}.wave i:nth-child(4){animation-delay:.3s}.wave i:nth-child(5){animation-delay:.4s}
@keyframes w{0%,100%{height:5px}50%{height:20px}}
@media (max-width:860px){.hero-in{grid-template-columns:1fr}.hero{padding:40px 0 28px}}

/* sections */
section{padding:56px 0}
.sec-title{text-align:center;max-width:700px;margin:0 auto 32px}
.sec-title h2{font-size:clamp(26px,3.6vw,36px);margin:0 0 8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:860px){.grid3,.grid2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin:6px 0 6px;font-size:19px}
.ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:#eef4ff}
.steps{counter-reset:s}
.step{position:relative;padding-left:52px}
.step:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}

/* pricing */
.price-card{max-width:440px;margin:0 auto;text-align:center;border:2px solid var(--blue);position:relative}
.price-card .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px}
.price{font:800 52px "Plus Jakarta Sans",sans-serif;color:var(--ink);margin:6px 0 0}
.price small{font-size:17px;color:var(--muted);font-weight:600}
.list{list-style:none;padding:0;margin:18px 0;text-align:left}
.list li{padding:6px 0 6px 28px;position:relative}
.list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}

/* downloads */
.dl{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.dl .os{font-size:34px}

/* forms */
.auth{max-width:440px;margin:40px auto}
label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin:14px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],input[type=url],select,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:11px;font:16px Inter,sans-serif;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--blue)}
.form-foot{margin-top:18px}
.banner{border-radius:12px;padding:12px 14px;margin:16px 0;font-weight:500}
.banner.ok{background:#dcfce7;border:1px solid #bbf7d0;color:#166534}
.banner.err{background:#fee2e2;border:1px solid #fecaca;color:#991b1b}
.banner.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a}

/* dashboard */
.dash{padding:32px 0 56px}
.status{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.badge{display:inline-block;border-radius:999px;padding:4px 11px;font-size:13px;font-weight:700}
.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}.badge.grey{background:#f1f5f9;color:#475569}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:15px}
.kv span{color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:13px}
.table-wrap{overflow-x:auto}

/* pay popup */
.modal{position:fixed;inset:0;z-index:2000;background:rgba(15,23,42,.62);display:flex;align-items:flex-start;justify-content:center;padding:14px;overflow-y:auto}
.sheet{position:relative;background:#fff;border-radius:18px;width:100%;max-width:420px;margin:auto;padding:20px 18px 16px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.sheet-x{position:absolute;right:10px;top:10px;width:34px;height:34px;border:0;border-radius:10px;background:#f1f5f9;font-size:22px;line-height:1;cursor:pointer;color:#334155}
body.lock{overflow:hidden}
.qr-card{max-width:300px;margin:6px auto 4px;padding:14px;border-radius:20px;background:linear-gradient(180deg,#fff,#f5f8ff);border:1px solid #dbe4ff;text-align:center}
.qr-card b.amt{display:block;font:800 28px "Plus Jakarta Sans",sans-serif;color:var(--ink)}
.qr-card img{width:220px;height:220px;border-radius:14px;padding:8px;background:#fff;box-shadow:0 0 0 1px #e2e8f0,0 0 0 6px #eef2ff}
.qr-apps{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;margin-top:10px}
.qr-apps span{font-size:11px;font-weight:700;color:#334155;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:3px 9px}
.pay-status{margin:10px 0 4px;padding:10px 12px;border-radius:12px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;font-weight:600;font-size:14px;text-align:center}
.pay-status.ok{background:#dcfce7;border-color:#86efac;color:#166534}
.spin{display:inline-block;width:15px;height:15px;border:2px solid rgba(30,58,138,.22);border-top-color:#1e3a8a;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}

/* footer */
.foot{background:#fff;border-top:1px solid var(--line);padding:32px 0 20px;margin-top:20px}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot-links a{color:var(--text);text-decoration:none;font-size:14px}

/* admin */
.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.admin-nav a{padding:8px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;font-size:14px}
.admin-nav a.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.kpi b{display:block;font:800 24px "Plus Jakarta Sans",sans-serif;color:var(--ink)}
.kpi span{font-size:13px;color:var(--muted)}
@media (max-width:760px){.kpis{grid-template-columns:repeat(2,1fr)}}
.inline{display:inline}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.row>*{flex:1;min-width:140px}