/* Layout: dark diagnostic-bay look. Hero pairs a big condensed headline with a live coding readout;
   below, a single 1120px column of sections divided by hairlines. */
:root{
  --bg:#0B0D10; --surface:#12161C; --surface-2:#171C24; --line:#222B36;
  --fg:#F2F4F7; --muted:#9AA4B2; --accent:#3D9BFF; --accent-ink:#06121F; --ok:#36D399;
  --display:'Barlow Condensed','Arial Narrow',sans-serif;
  --body:'Barlow','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono','Courier New',monospace;
  --wrap:1120px; --r:8px;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){
  --bg:#F3F5F8; --surface:#FFFFFF; --surface-2:#EAEEF3; --line:#D6DDE6;
  --fg:#0B0D10; --muted:#4F5A69; --accent:#0A66D0; --accent-ink:#FFFFFF; --ok:#0B8A57; color-scheme:light}}
:root[data-theme="light"]{
  --bg:#F3F5F8; --surface:#FFFFFF; --surface-2:#EAEEF3; --line:#D6DDE6;
  --fg:#0B0D10; --muted:#4F5A69; --accent:#0A66D0; --accent-ink:#FFFFFF; --ok:#0B8A57; color-scheme:light}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:17px;line-height:1.6;padding-inline:20px;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin-inline:auto}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;line-height:.95;margin:0;text-wrap:balance;letter-spacing:.005em}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:14px 22px;border-radius:var(--r);border:2px solid var(--accent);transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{color:var(--fg);background:transparent;border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent)}
.btn svg{flex:none}

/* Header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);margin-inline:-20px;padding-inline:20px}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.brand-mark{width:34px;height:34px;flex:none}
.brand-name{font-family:var(--display);font-weight:900;font-size:24px;letter-spacing:.02em;text-transform:uppercase;line-height:1}
.brand-name span{color:var(--accent)}
nav.links{display:flex;gap:26px;font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:.08em;text-transform:uppercase}
nav.links a{color:var(--muted);text-decoration:none}
nav.links a:hover{color:var(--fg)}
.top .btn{font-size:16px;padding:9px 16px}
@media (max-width:860px){nav.links{display:none}}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center;padding-block:72px 64px}
.hero h1{font-weight:900;font-size:clamp(64px,10vw,132px);line-height:.86}
.hero h1 em{font-style:normal;color:var(--accent);display:block}
.hero-copy{display:flex;flex-direction:column;gap:26px}
.hero-sub{font-size:20px;max-width:34ch;color:var(--muted)}
.hero-sub strong{color:var(--fg);font-weight:600}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-family:var(--mono);font-size:13px;color:var(--muted)}
.facts span{display:inline-flex;align-items:center;gap:8px}
.facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* Readout panel */
.readout{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-family:var(--mono);font-size:13.5px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.readout-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2);color:var(--muted);font-size:12px;letter-spacing:.06em}
.dots{display:flex;gap:6px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.readout-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;min-width:0}
.ln{display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:12px;align-items:baseline}
.ln .mod{color:var(--accent);font-weight:700}
.ln .what{color:var(--fg);overflow-wrap:anywhere}
.ln .st{color:var(--ok);font-weight:700}
.ln.sys .what,.ln.sys .mod{color:var(--muted);font-weight:400}
.readout-foot{border-top:1px dashed var(--line);margin-top:6px;padding-top:12px;display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}
.cursor{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media (max-width:900px){.hero{grid-template-columns:minmax(0,1fr);gap:40px;padding-block:48px}}
@media (max-width:440px){.ln{grid-template-columns:62px minmax(0,1fr) auto;gap:8px}.readout{font-size:12px}}

/* Sections */
section.block{border-top:1px solid var(--line);padding-block:72px}
.head{display:flex;flex-direction:column;gap:12px;margin-bottom:40px;max-width:640px}
.head h2{font-weight:800;font-size:clamp(40px,6vw,64px)}
.head p{color:var(--muted);font-size:18px}

/* Features */
.feat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.feat{background:var(--bg);padding:28px 26px;display:flex;flex-direction:column;gap:14px;min-width:0}
.feat h3{font-size:28px;font-weight:800}
.feat ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.feat li{display:grid;grid-template-columns:14px minmax(0,1fr);gap:10px;color:var(--muted);font-size:16px;line-height:1.45}
.feat li::before{content:"";width:8px;height:8px;margin-top:7px;border:2px solid var(--accent);border-radius:2px}
.feat li b{color:var(--fg);font-weight:600}
.feat .code{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
@media (max-width:900px){.feat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.feat-grid{grid-template-columns:minmax(0,1fr)}}
.note{margin-top:20px;font-size:15px;color:var(--muted);max-width:70ch}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:s}
.step{display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:3px solid var(--accent);min-width:0}
.step .n{font-family:var(--mono);font-size:13px;color:var(--accent)}
.step h3{font-size:26px;font-weight:800}
.step p{color:var(--muted);font-size:16px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}}

/* Pricing */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.tier{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:16px;min-width:0}
.tier.pop{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.tier-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.tier h3{font-size:28px;font-weight:800}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);padding:4px 8px;border-radius:4px;white-space:nowrap}
.price{font-family:var(--display);font-weight:900;font-size:64px;line-height:1;font-variant-numeric:tabular-nums}
.price small{font-size:20px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-right:6px;vertical-align:14px}
.tier p{color:var(--muted);font-size:16px}
.tier ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:16px;flex:1}
.tier li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px}
.tier li svg{margin-top:5px}
.tier .btn{justify-content:center}
.extra{margin-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;border:1px dashed var(--line);border-radius:12px;padding:20px 24px}
.extra b{font-family:var(--display);font-size:22px;text-transform:uppercase;letter-spacing:.03em}
.extra span{color:var(--muted);font-size:16px}
@media (max-width:900px){.tiers{grid-template-columns:minmax(0,1fr)}}

/* Area + compatibility */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:30px;display:flex;flex-direction:column;gap:14px;min-width:0}
.panel h3{font-size:32px;font-weight:800}
.panel p{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--mono);font-size:13px;padding:6px 10px;border:1px solid var(--line);border-radius:6px;color:var(--fg);background:var(--bg)}
.chip.on{border-color:var(--accent);color:var(--accent)}
@media (max-width:800px){.split{grid-template-columns:minmax(0,1fr)}}

/* Reviews */
.reviews{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:32px}
.reviews-left{display:flex;flex-direction:column;gap:10px;min-width:0;max-width:560px}
.stars{display:flex;gap:4px;color:var(--accent)}
.reviews h3{font-size:34px;font-weight:800}
.reviews p{color:var(--muted)}

/* FAQ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:20px;font-family:var(--display);font-weight:700;font-size:23px;text-transform:uppercase;letter-spacing:.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--accent);flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:22px;max-width:68ch}

/* Final CTA + footer */
.final{text-align:left;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:28px;padding-block:80px}
.final h2{font-weight:900;font-size:clamp(48px,8vw,96px);line-height:.88}
.final h2 span{color:var(--accent)}
footer{border-top:1px solid var(--line);padding-block:28px 40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;font-size:14px;color:var(--muted)}
footer a{color:var(--muted)}

/* ---------- Inner pages ---------- */
.crumbs{font-family:var(--mono);font-size:12.5px;color:var(--muted);padding-top:28px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--fg)}
.page-hero{padding-block:36px 56px;display:flex;flex-direction:column;gap:22px;max-width:820px}
.page-hero h1{font-weight:900;font-size:clamp(48px,7.5vw,96px);line-height:.88}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero .lede{font-size:20px;color:var(--muted);max-width:52ch}
.page-hero .lede strong{color:var(--fg);font-weight:600}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;border-top:1px solid var(--line);padding-block:56px}
@media (max-width:900px){.cols{grid-template-columns:minmax(0,1fr)}}
.prose{display:flex;flex-direction:column;gap:18px;max-width:68ch;min-width:0}
.prose h2{font-weight:800;font-size:clamp(32px,4.5vw,44px);margin-top:22px}
.prose h2:first-child{margin-top:0}
.prose h3{font-weight:800;font-size:24px;margin-top:6px}
.prose p,.prose li{color:var(--muted)}
.prose strong{color:var(--fg);font-weight:600}
.prose ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.prose li{display:grid;grid-template-columns:14px minmax(0,1fr);gap:10px}
.prose li::before{content:"";width:8px;height:8px;margin-top:9px;border:2px solid var(--accent);border-radius:2px}
.prose a{color:var(--accent)}
.callout{border:1px dashed var(--line);border-radius:12px;padding:18px 20px;font-size:16px}
aside.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.side .panel h3{font-size:28px}
.side .price{font-size:56px}
.side ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--muted)}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.related a{background:var(--bg);padding:24px;text-decoration:none;color:var(--fg);display:flex;flex-direction:column;gap:8px;min-width:0;transition:background .15s}
.related a:hover{background:var(--surface)}
.related b{font-family:var(--display);font-size:24px;text-transform:uppercase;font-weight:800;line-height:1}
.related span{color:var(--muted);font-size:15px}
.related .go{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.06em}
@media (max-width:860px){.related{grid-template-columns:minmax(0,1fr)}}
.model-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.models{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
table.models th,table.models td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
table.models th{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--surface)}
table.models td:first-child{font-family:var(--mono);color:var(--accent);font-weight:700;white-space:nowrap}
table.models tr:last-child td{border-bottom:0}
/* Mobile menu */
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;font-family:var(--display);font-weight:800;font-size:16px;letter-spacing:.08em;text-transform:uppercase;padding:9px 14px;border:2px solid var(--line);border-radius:var(--r)}
.menu summary::-webkit-details-marker{display:none}
.menu .drop{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px;display:flex;flex-direction:column;min-width:230px;box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
.menu .drop a{color:var(--fg);text-decoration:none;padding:10px 12px;border-radius:6px;font-weight:600}
.menu .drop a:hover{background:var(--surface-2)}
@media (max-width:860px){.menu{display:block}.top .btn-primary{display:none}}
.top .right{display:flex;align-items:center;gap:12px}
/* Footer */
.site-foot{border-top:1px solid var(--line);padding-block:48px 40px;display:grid;grid-template-columns:1.4fr repeat(2,minmax(0,1fr));gap:32px;font-size:15px;color:var(--muted)}
.site-foot h4{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg);margin:0 0 12px;font-weight:500}
.site-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.site-foot a{color:var(--muted);text-decoration:none}.site-foot a:hover{color:var(--fg)}
.site-foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:13px}
@media (max-width:700px){.site-foot{grid-template-columns:minmax(0,1fr)}}
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:900px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.svc-grid{grid-template-columns:minmax(0,1fr)}}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:26px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--fg);transition:border-color .15s,transform .15s}
.svc:hover{border-color:var(--accent);transform:translateY(-2px)}
.svc h3{font-size:28px;font-weight:800}
.svc p{color:var(--muted);font-size:16px;flex:1}
.svc .go{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.06em}
.brand-name{white-space:nowrap}@media (max-width:400px){.brand-name{font-size:20px}.brand-mark{width:30px;height:30px}}
.pop-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pop{background:var(--bg);padding:20px 22px;text-decoration:none;color:var(--fg);display:flex;flex-direction:column;gap:6px;min-width:0;transition:background .15s}
.pop:hover{background:var(--surface)}
.pop b{font-family:var(--display);font-weight:800;font-size:23px;text-transform:uppercase;line-height:1}
.pop span{color:var(--muted);font-size:15px;line-height:1.4}
.pop.more b{color:var(--accent)}
@media (max-width:900px){.pop-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.pop b{font-size:20px}.pop{padding:16px}}