:root{
  --navy:#0a1630;--navy2:#0f1f45;--blue:#1d4ed8;--blue2:#2563eb;--sky:#38bdf8;
  --ink:#0b1220;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#fff;--alt:#f6f8fc;
  --red:#ef4444;--amber:#f59e0b;--green:#22c55e;--r:16px;
  --shadow:0 10px 30px rgba(15,31,69,.08),0 2px 6px rgba(15,31,69,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.center{text-align:center}

/* top bar */
.topbar{background:var(--navy);color:#cbd5e1;font-size:13.5px;text-align:center;padding:9px 16px}
.topbar a{color:#fff;font-weight:600;margin-left:8px}
.topbar a:hover{text-decoration:underline}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.brand b{color:var(--blue);font-weight:800}
.brand.light{color:#fff}.brand.light b{color:var(--sky)}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--sky));display:grid;place-items:center;flex:none}
.links{display:flex;gap:30px;font-size:15px;font-weight:500}
.links a{color:var(--text);transition:color .15s}
.links a:hover{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 Inter,sans-serif;padding:13px 22px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 28px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.28)}
.btn-primary:hover{background:#1e40af;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#cbd5e1}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.2)}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}

/* hero */
.hero{background:radial-gradient(900px 420px at 80% -10%,rgba(56,189,248,.18),transparent 60%),radial-gradient(700px 400px at 0% 0%,rgba(29,78,216,.10),transparent 60%),linear-gradient(#fff,var(--alt));padding:72px 0 56px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:#eaf1ff;color:var(--blue);font-weight:600;font-size:13px;padding:6px 14px;border-radius:99px;border:1px solid #d3e2ff}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.2)}
h1{font-size:clamp(36px,5vw,58px);line-height:1.06;letter-spacing:-.035em;color:var(--ink);font-weight:800;margin:20px 0 20px}
.grad{background:linear-gradient(90deg,var(--blue),var(--sky));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18.5px;color:var(--text);max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 26px}
.ticks{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14.5px;color:var(--muted)}
.ticks li::before{content:"✓";color:var(--green);font-weight:800;margin-right:8px}

/* mock dashboard */
.mock{background:#0e1a38;border-radius:18px;box-shadow:0 30px 60px rgba(10,22,48,.35);border:1px solid #1e2f5c;padding:14px;color:#cbd5e1;transform:perspective(1400px) rotateY(-4deg) rotateX(2deg)}
.mock-bar{display:flex;align-items:center;gap:7px;font-size:12.5px;padding:2px 4px 12px}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#334155}
.mock-bar i:nth-child(1){background:#ef4444}.mock-bar i:nth-child(2){background:#f59e0b}.mock-bar i:nth-child(3){background:#22c55e}
.mock-bar span{margin-left:10px;color:#94a3b8}
.mock-bar em{margin-left:auto;font-style:normal;color:#86efac;display:flex;align-items:center;gap:6px}
.mock-bar u{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cam{position:relative;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:linear-gradient(160deg,#243b6b,#14244a)}
.c2{background:linear-gradient(160deg,#3a3358,#1b1f45)}.c3{background:linear-gradient(160deg,#4a2c3c,#1f1b3d)}.c4{background:linear-gradient(160deg,#1f4a5e,#142a4a)}
.face{position:absolute;left:50%;bottom:-6%;width:34%;aspect-ratio:1/1.15;transform:translateX(-50%);background:radial-gradient(circle at 50% 30%,#f1c9a5 0 40%,transparent 41%),radial-gradient(ellipse at 50% 118%,#64748b 0 55%,transparent 56%);border-radius:50%/45%;}
.face::after{content:"";position:absolute;inset:-6px;border:2px solid rgba(56,189,248,.8);border-radius:10px}
.f2{left:78%;width:26%}
.c3 .face:first-of-type{left:30%}
.tag{position:absolute;top:8px;left:8px;font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:99px}
.tag.ok{background:rgba(34,197,94,.2);color:#86efac}.tag.warn{background:rgba(245,158,11,.22);color:#fcd34d}.tag.bad{background:rgba(239,68,68,.25);color:#fca5a5}
.cam small{position:absolute;left:8px;bottom:6px;font-size:10.5px;color:#cbd5e1;text-shadow:0 1px 2px #000}
.feed{margin-top:10px;background:#0a1430;border-radius:10px;padding:6px 12px}
.feed div{display:flex;align-items:center;gap:9px;font-size:12px;padding:7px 0;border-bottom:1px solid #1a2850}
.feed div:last-child{border:0}
.feed span{margin-left:auto;color:#64748b;font-size:11px}
.feed b,.al i{width:8px;height:8px;border-radius:50%;flex:none}
.r{background:var(--red)}.a{background:var(--amber)}.g{background:var(--green)}
.mock-actions{display:flex;gap:8px;margin-top:10px;font-size:12px;font-weight:600}
.mock-actions span{background:#1a2b5a;padding:7px 12px;border-radius:8px}
.mock-actions .danger{background:rgba(239,68,68,.2);color:#fca5a5;margin-left:auto}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.stats div{padding:24px 26px;border-right:1px solid var(--line)}
.stats div:last-child{border:0}
.stats strong{display:block;font-size:30px;letter-spacing:-.03em;color:var(--blue);font-weight:800;line-height:1.2}
.stats span{font-size:14px;color:var(--muted)}

.strip{border-bottom:1px solid var(--line)}
.strip-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 32px;padding-top:22px;padding-bottom:22px;color:var(--muted);font-size:14px}
.strip-in b{color:#475569;font-weight:600}

/* sections */
.sec{padding:96px 0}
.sec.alt{background:var(--alt)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.eyebrow.light{color:var(--sky)}
h2{font-size:clamp(28px,3.6vw,42px);line-height:1.15;letter-spacing:-.03em;color:var(--ink);font-weight:800}
.sub{margin-top:16px;font-size:18px;color:var(--muted)}
.center.narrow{margin-inline:auto}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdcf7}
.card.flat:hover{transform:none}
.card h3{font-size:18px;color:var(--ink);letter-spacing:-.01em;margin:16px 0 8px}
.card.flat h3{margin-top:0}
.card p{font-size:15px;color:var(--muted)}
.ico{width:46px;height:46px;border-radius:12px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center}
.ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:56px 0 64px;counter-reset:s}
.steps li{position:relative;padding-top:8px}
.steps li:not(:last-child)::after{content:"";position:absolute;top:28px;left:64px;right:-12px;height:2px;background:repeating-linear-gradient(90deg,#c7d6f5 0 6px,transparent 6px 12px)}
.n{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:16px;position:relative;z-index:1}
.steps h3{color:var(--ink);font-size:18px;margin-bottom:6px}
.steps p{font-size:15px;color:var(--muted)}
.steps em{font-style:normal;font-weight:600;color:var(--text)}
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.phase{background:var(--alt);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.phase h4{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:14px}
.phase li{position:relative;padding:7px 0 7px 26px;font-size:15px;border-bottom:1px dashed var(--line)}
.phase li:last-child{border:0}
.phase li::before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}

/* dark */
.dark{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#cbd5e1}
.dark h2{color:#fff}.dark .sub{color:#aab6cc}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.check li{position:relative;padding:9px 0 9px 32px}
.check li::before{content:"";position:absolute;left:0;top:11px;width:20px;height:20px;border-radius:50%;background:rgba(34,197,94,.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%2322c55e' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.dark .check{margin-top:28px}
.dark .check b{color:#fff}
.alerts{display:grid;gap:12px}
.al{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:16px 18px;border-radius:12px}
.al div{display:flex;flex-direction:column;flex:1}
.al b{color:#fff;font-size:15px}.al span{font-size:13px;color:#94a3b8}
.al time{font-size:12.5px;color:#94a3b8;font-variant-numeric:tabular-nums}
.al:nth-child(odd){transform:translateX(18px)}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,400px));gap:28px;justify-content:center;margin-top:56px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 32px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--blue);box-shadow:0 24px 50px rgba(29,78,216,.18)}
.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:99px}
.plan h3{font-size:22px;color:var(--ink);letter-spacing:-.02em}
.pd{font-size:15px;color:var(--muted);margin:6px 0 20px;min-height:48px}
.price{display:flex;align-items:flex-start;gap:4px;margin-bottom:24px;color:var(--ink)}
.cur{font-size:26px;font-weight:700;margin-top:10px}
.amt{font-size:64px;font-weight:800;letter-spacing:-.04em;line-height:1}
.per{align-self:flex-end;margin:0 0 8px 8px;color:var(--muted);font-size:15px}
.check.sm{margin-top:26px;font-size:15px}
.check.sm li{padding:7px 0 7px 32px}
.check.sm li::before{top:9px}
.fine{text-align:center;margin-top:32px;font-size:14px;color:var(--muted)}

.req{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px}
.req h3{color:var(--ink);margin-bottom:12px;font-size:20px}
.req li{padding:8px 0 8px 24px;position:relative;font-size:15.5px}
.req li::before{content:"";position:absolute;left:4px;top:18px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.req b{color:var(--ink)}

/* faq */
.faq{margin-top:44px;display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px}
summary{cursor:pointer;list-style:none;padding:20px 28px 20px 0;font-weight:600;color:var(--ink);position:relative;font-size:16.5px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px;color:var(--blue);font-weight:400;transition:transform .2s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{padding:0 0 22px;color:var(--muted);font-size:15.5px}

/* cta */
.cta{background:linear-gradient(135deg,var(--blue),#0ea5e9);color:#fff;padding:88px 0}
.cta h2{color:#fff}
.cta p{font-size:18px;margin:14px 0 30px;opacity:.9}

/* footer */
.foot{background:var(--navy);color:#94a3b8;padding-top:64px;font-size:14.5px}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.fcol p{margin-top:14px;max-width:320px}
.fcol h5{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
.fcol a:not(.brand){display:block;padding:5px 0;transition:color .15s}
.fcol a:not(.brand):hover{color:#fff}
.foot-b{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #1e2f5c;padding-top:22px;padding-bottom:28px;font-size:13px}

/* legal pages */
.legal{max-width:780px;margin:0 auto;padding:72px 24px 96px}
.legal h1{font-size:40px;margin:0 0 8px}
.legal .upd{color:var(--muted);margin-bottom:36px;font-size:14px}
.legal h2{font-size:22px;margin:36px 0 10px;letter-spacing:-.01em}
.legal p,.legal li{margin-bottom:12px}
.legal ul{list-style:disc;padding-left:22px}
.legal a{color:var(--blue);text-decoration:underline}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.mock-bar u{animation:none}}

/* responsive */
@media (max-width:1000px){
  .hero-in,.split{grid-template-columns:1fr}
  .mock{transform:none;max-width:560px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}.steps li::after{display:none}
  .phases{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div:nth-child(2){border-right:0}.stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .links.open{display:flex}
  .links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .burger{display:flex}
  .nav-cta .btn{display:none}
  .sec{padding:68px 0}
  .hero{padding:48px 0 40px}
  .cards,.steps{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .al:nth-child(odd){transform:none}
  .topbar{font-size:12.5px}
  .foot-in{grid-template-columns:1fr}
  .stats strong{font-size:24px}.stats div{padding:18px}
}