*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f6f8f7;--fg:#0f1a17;--mut:#5b6b66;--acc:#0f6b5c;--acc2:#12a386;--line:#dfe6e3;--card:#fff;--dark:#0b1412}
body{background:var(--bg);color:var(--fg);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:20;background:#f6f8f7e6;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:.2px}
.logo img{width:28px;height:28px}
nav{display:flex;gap:22px;color:var(--mut);font-size:15px}nav a:hover{color:var(--fg)}
.sp{flex:1}
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:10px;padding:10px 18px;font-weight:600;font-size:15px;cursor:pointer}
.btn:hover{background:#0c5a4d}.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.lg{padding:14px 24px;font-size:16px}
.hero{padding:64px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.tag{display:inline-block;background:#e3f4ef;color:var(--acc);border-radius:20px;padding:4px 12px;font-size:13px;font-weight:600;margin-bottom:16px}
.hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.08;letter-spacing:-.5px;margin-bottom:18px}
.hero p{color:var(--mut);font-size:18px;margin-bottom:28px;max-width:520px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{margin-top:16px;color:var(--mut);font-size:13px}
.wall{background:var(--dark);border-radius:16px;padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:8px;box-shadow:0 30px 60px -20px #0b141266}
.cam{position:relative;aspect-ratio:16/10;border-radius:8px;overflow:hidden;background:#1a2421}
.cam canvas{width:100%;height:100%;display:block}
.cam .lb{position:absolute;left:8px;bottom:6px;color:#fff;font:600 11px/1 ui-monospace,Menlo,monospace;text-shadow:0 1px 2px #000}
.cam .ts{position:absolute;right:8px;top:7px;color:#fff;font:11px/1 ui-monospace,Menlo,monospace;text-shadow:0 1px 2px #000}
.cam .rec{position:absolute;left:8px;top:7px;color:#ff5a5a;font:700 11px/1 ui-monospace,Menlo,monospace}
.cam .rec:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#ff4040;margin-right:5px;animation:bl 1.4s infinite}
@keyframes bl{50%{opacity:.2}}
.logos{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;color:var(--mut);font-size:14px}
.logos .wrap{display:flex;gap:34px;flex-wrap:wrap;align-items:center;justify-content:center}
.logos b{color:var(--fg);font-weight:600}
section.s{padding:72px 0}
.s h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.3px;margin-bottom:10px}
.s .lead{color:var(--mut);max-width:620px;margin-bottom:36px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.f{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.f .ic{width:40px;height:40px;border-radius:10px;background:#e3f4ef;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.f .ic svg{width:22px;height:22px;stroke:var(--acc);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.f h3{font-size:18px;margin-bottom:6px}.f p{color:var(--mut);font-size:15px}
.steps{counter-reset:st;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;padding:24px 24px 24px 66px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.step:before{counter-increment:st;content:counter(st);position:absolute;left:22px;top:22px;width:30px;height:30px;border-radius:50%;background:var(--acc);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{font-size:17px;margin-bottom:4px}.step p{color:var(--mut);font-size:15px}
.dark{background:var(--dark);color:#e8efed}.dark .lead{color:#9fb1ab}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{background:#13201d;border:1px solid #20302c;border-radius:16px;padding:28px;display:flex;flex-direction:column}
.plan.hot{border-color:var(--acc2);box-shadow:0 0 0 1px var(--acc2)}
.plan .nm{font-weight:700;font-size:18px}.plan .ds{color:#9fb1ab;font-size:14px;margin:4px 0 18px}
.plan .pr{font-size:38px;font-weight:800;letter-spacing:-.5px}.plan .pr small{font-size:15px;font-weight:500;color:#9fb1ab}
.plan ul{list-style:none;margin:18px 0 24px;flex:1}.plan li{padding:6px 0 6px 24px;position:relative;font-size:15px;color:#cfdad6}
.plan li:before{content:"";position:absolute;left:2px;top:12px;width:12px;height:7px;border-left:2px solid var(--acc2);border-bottom:2px solid var(--acc2);transform:rotate(-45deg)}
.plan .btn{text-align:center}.plan .btn.ghost{color:#e8efed;border-color:#2b3d38}
.badge{display:inline-block;background:var(--acc2);color:#04130f;border-radius:20px;padding:2px 10px;font-size:12px;font-weight:700;margin-left:8px;vertical-align:middle}
.compat{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.compat div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.compat b{display:block;margin-bottom:4px}.compat span{color:var(--mut);font-size:14px}
.faq{max-width:800px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary:after{content:"+";color:var(--acc);font-size:22px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq p{color:var(--mut);margin-top:10px}
.band{background:var(--acc);color:#fff;border-radius:18px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{margin:0;font-size:28px}.band p{opacity:.85;margin-top:6px}
.band .btn{background:#fff;color:var(--acc)}
footer{padding:48px 0 36px;color:var(--mut);font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;margin-bottom:28px}
footer h4{color:var(--fg);font-size:14px;margin-bottom:10px}footer li{list-style:none;padding:3px 0}
footer .bt{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
/* login */
.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth .side{background:var(--dark);color:#e8efed;padding:48px;display:flex;flex-direction:column;justify-content:space-between}
.auth .side .wall{box-shadow:none;margin:32px 0}
.auth .side p{color:#9fb1ab;font-size:15px}
.auth .main{display:flex;align-items:center;justify-content:center;padding:24px}
.form{width:100%;max-width:380px}
.form h1{font-size:28px;margin-bottom:6px}.form .mut{color:var(--mut);margin-bottom:26px}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.form input[type=email],.form input[type=password],.form input[type=text]{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:16px;margin-bottom:16px;background:#fff}
.form input:focus{outline:2px solid #12a38655;border-color:var(--acc2)}
.form .row{display:flex;justify-content:space-between;align-items:center;font-size:14px;margin-bottom:18px}
.form .row a{color:var(--acc);font-weight:600}
.form .btn{width:100%;padding:13px}
.err{min-height:22px;color:#c23b3b;font-size:14px;margin-bottom:10px}
.form .alt{margin-top:22px;color:var(--mut);font-size:14px;text-align:center}.form .alt a{color:var(--acc);font-weight:600}
.e404{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:40px 20px}
.e404 b{font-size:72px;color:var(--acc);line-height:1}
@media(max-width:900px){nav{display:none}.hero .wrap{grid-template-columns:1fr}.grid3,.steps,.plans{grid-template-columns:1fr}.compat{grid-template-columns:1fr 1fr}footer .cols{grid-template-columns:1fr 1fr}.auth{grid-template-columns:1fr}.auth .side{display:none}.band{padding:28px}}
@media(max-width:520px){.compat{grid-template-columns:1fr}header .btn.ghost{display:none}}