:root{--p:#6366f1;--p2:#7c3aed;--p3:#4f46e5;--ink:#1e1b4b;--tx:#1f2430;--mut:#6b7280;--bd:#e5e7f2;--bg:#f5f6fc;--grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#c026d3 100%)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}body{overflow-x:hidden}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--tx);background:var(--bg);line-height:1.55}
a{color:var(--p3);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
main.wrap{padding-top:28px;padding-bottom:56px;min-height:70vh}

/* top nav */
.nav{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:30}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{font-weight:800;font-size:20px;color:var(--ink);display:flex;align-items:center;gap:9px;text-decoration:none!important}
.logo{width:32px;height:32px;border-radius:9px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.nav nav{display:flex;align-items:center;gap:4px}
.nav nav a{padding:8px 12px;border-radius:8px;font-weight:500;color:#374151;text-decoration:none}
.nav nav a:hover{background:#eef0ff;color:var(--p3)}
.nav nav a.btn{margin-left:8px;color:#fff}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;padding:4px 8px;color:var(--ink)}

/* buttons */
.btn,button.btn{display:inline-block;background:var(--grad);color:#fff!important;border:0;border-radius:10px;padding:11px 20px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none!important;box-shadow:0 4px 14px rgba(99,102,241,.28);transition:transform .08s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(99,102,241,.38)}
.btn.small{padding:8px 16px;font-size:14px}
.btn.alt{background:#fff;color:var(--p3)!important;border:1px solid #c7cbf5;box-shadow:none}
.btn.alt:hover{background:#f1f2ff}
.btn.danger,button.danger{background:#dc2626;box-shadow:none}
.btn.sm,button.sm{padding:6px 11px;font-size:13px;margin:0;border-radius:8px;box-shadow:none}
.btn.lg{padding:15px 28px;font-size:17px;border-radius:12px}
.btn.white{background:#fff;color:var(--p3)!important;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.btn.ghost{background:rgba(255,255,255,.14);color:#fff!important;border:1px solid rgba(255,255,255,.5);box-shadow:none}
button[disabled]{opacity:.5;cursor:not-allowed}

/* cards, grids, forms */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:22px;box-shadow:0 1px 3px rgba(30,27,75,.04)}
.card h3{margin-top:0}
.price{font-size:38px;font-weight:800;color:var(--ink)}
.price small{font-size:15px;font-weight:500;color:var(--mut)}
.plan{position:relative}
.plan.current{border:2px solid var(--p)}
.plan.popular{border:2px solid var(--p2);box-shadow:0 12px 34px rgba(124,58,237,.18)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px}
ul.tick{list-style:none;padding:0;margin:14px 0}
ul.tick li{margin:7px 0}
ul.tick li:before{content:"✓ ";color:#16a34a;font-weight:800}
form.stack label,label{font-weight:600;font-size:14px}
form.stack label{display:block;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=url],input[type=datetime-local],input[type=date],input[type=time],textarea,select{width:100%;padding:10px 12px;border:1px solid #d3d6e8;border-radius:9px;font-size:15px;background:#fff;font-family:inherit}
input:focus,textarea:focus,select:focus{outline:2px solid #c7cbf5;border-color:var(--p)}
.row input,.row select{width:auto}
.narrow{max-width:440px;margin:36px auto}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px}
.flash.ok{background:#dcfce7;color:#14532d}
.flash.err{background:#fee2e2;color:#7f1d1d}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--bd);border-radius:14px;overflow:hidden}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid #eef0f8;font-size:14px;vertical-align:middle}
th{background:#f8f9ff;color:#4b5563;font-weight:600}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.muted{color:var(--mut);font-size:13px}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600;background:#e0e7ff;color:#3730a3}
.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}
.slide{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:#fff;border:1px solid var(--bd);border-radius:12px;padding:12px;margin-bottom:10px}
.slide .thumb{width:150px;height:84px;object-fit:contain;background:#111;border-radius:8px}
.slide.inactive{opacity:.5}
.bar{height:8px;background:#e5e7ef;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--grad)}
h1.page{margin:0 0 6px;font-size:28px;color:var(--ink)}
details summary{cursor:pointer}

/* app shell (dashboard + admin) */
.app{display:flex;min-height:calc(100vh - 64px)}
.side{width:230px;flex:none;background:#fff;border-right:1px solid var(--bd);padding:18px 12px;position:sticky;top:64px;align-self:flex-start;height:calc(100vh - 64px);overflow:auto}
.side a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:#374151;font-weight:500;margin-bottom:3px;text-decoration:none}
.side a:hover{background:#f1f2ff;color:var(--p3)}
.side a.on{background:#eceeff;color:var(--p3);font-weight:700}
.side .sep{height:1px;background:var(--bd);margin:12px 6px}
.side .who{font-size:12px;color:var(--mut);padding:6px 12px;word-break:break-all}
.content{flex:1;min-width:0;padding:28px 28px 60px;max-width:1180px}
.planchip{display:inline-block;background:var(--grad);color:#fff;font-size:11px;font-weight:700;padding:2px 9px;border-radius:99px;margin-left:6px}

/* marketing */
.hero{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(255,255,255,.08);right:-120px;top:-160px}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:76px 20px 84px;position:relative}
.hero h1{font-size:48px;line-height:1.1;margin:0 0 16px;font-weight:800;letter-spacing:-.02em}
.hero p.lead{font-size:19px;opacity:.92;margin:0 0 28px;max-width:520px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{font-size:13px;opacity:.8;margin-top:14px}
.tv{background:#0b0b14;border-radius:16px;padding:10px;box-shadow:0 30px 60px rgba(0,0,0,.35);transform:rotate(1.5deg)}
.tv .scr{position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#000}
.tv .stand{width:34%;height:10px;background:#0b0b14;margin:0 auto;border-radius:0 0 10px 10px}
.sec{padding:72px 0}
.sec.alt{background:#fff}
.sec h2{font-size:34px;text-align:center;margin:0 0 10px;color:var(--ink);letter-spacing:-.01em}
.sec .sub{text-align:center;color:var(--mut);max-width:620px;margin:0 auto 40px;font-size:17px}
.feat{display:flex;gap:14px}
.feat .ic{flex:none;width:46px;height:46px;border-radius:12px;background:#eceeff;display:flex;align-items:center;justify-content:center;font-size:22px}
.feat h3{margin:0 0 4px;font-size:17px}.feat p{margin:0;color:var(--mut);font-size:15px}
.steps{counter-reset:s}
.step{text-align:center;padding:10px 14px}
.step:before{counter-increment:s;content:counter(s);display:inline-flex;width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:12px;font-size:18px}
.step h3{margin:0 0 6px}.step p{margin:0;color:var(--mut)}
.tpls{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.tpl{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:10px;box-shadow:0 8px 24px rgba(30,27,75,.07)}
.tpl .pv{position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#000}
.tpl .cap{padding:10px 6px 4px;font-weight:600}
.uses{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.use{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:22px}
.use .em{font-size:34px}.use h3{margin:8px 0 6px}.use p{margin:0;color:var(--mut)}
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:600}.faq p{margin:10px 0 0;color:var(--mut)}
.cta-band{background:var(--grad);color:#fff;text-align:center;padding:64px 20px}
.cta-band h2{color:#fff;font-size:34px;margin:0 0 10px}.cta-band p{opacity:.9;margin:0 0 24px;font-size:18px}
.page-head{background:var(--grad);color:#fff;text-align:center;padding:52px 20px}
.page-head h1{margin:0 0 8px;font-size:38px}.page-head p{margin:0;opacity:.9}
.legal{max-width:760px;margin:0 auto}.legal h2{margin-top:30px;font-size:20px;color:var(--ink)}

/* footer */
.foot{background:#12112b;color:#b9bce0;padding:44px 0 26px;font-size:14px;margin-top:0}
.foot a{color:#d6d8f5}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.foot h4{color:#fff;margin:0 0 10px}.foot ul{list-style:none;padding:0;margin:0}.foot li{margin:6px 0}
.foot .copy{border-top:1px solid #2a2950;margin-top:28px;padding-top:18px;font-size:13px}

@media(max-width:860px){
  .hero-in{grid-template-columns:1fr;padding:48px 20px 56px}.hero h1{font-size:34px}.tv{transform:none}
  .sec{padding:48px 0}.sec h2{font-size:26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  .nav nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--bd);flex-direction:column;align-items:stretch;padding:10px 16px;gap:2px}
  .nav nav.open{display:flex}
  .nav nav a.btn{margin:6px 0 0;text-align:center}
  .app{display:block}
  .side{position:static;width:auto;height:auto;display:flex;overflow-x:auto;gap:4px;padding:8px;border-right:0;border-bottom:1px solid var(--bd)}
  .side a{white-space:nowrap;margin:0}.side .sep,.side .who{display:none}
  .content{padding:20px 14px 50px}
  .slide .thumb{width:110px;height:62px}
}