/* SysR00t ONT Management System — marketing site
   Edit colors here; everything inherits from these tokens. */
:root{
  --bg:#070d18; --bg2:#0a1322; --panel:#101d31; --panel2:#0c1829;
  --line:#21344a; --line2:#2b4056;
  --text:#e9f2fb; --muted:#90a6be; --dim:#64799180;
  --cyan:#36c9db; --green:#40d6a0; --amber:#f5bd61; --red:#ff6b6b;
  --grad:linear-gradient(90deg,#36c9db,#40d6a0);
  --radius:16px; --maxw:1140px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---- nav ---- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(8,15,26,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em;font-size:18px}
.brand .r{color:var(--cyan)}
.nav nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav nav a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14.5px;font-weight:500;transition:.15s}
.nav nav a:hover{color:var(--text);background:#13243a}
.nav nav a.active{color:var(--text)}
.nav nav a.btn-primary,.nav nav a.btn-primary:hover{background:var(--grad);color:#042029}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:11px 18px;font-weight:600;font-size:14.5px;cursor:pointer;border:1px solid transparent;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#042029}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--line2);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}
.btn-sm{padding:8px 14px;font-size:13.5px}
button.btn{font-family:inherit;line-height:1.2}button.btn-ghost{background:transparent;color:var(--text)}button.btn:disabled{opacity:.55;cursor:default}
.menuedge{margin-left:8px}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:92px 0 76px;
  background:
   radial-gradient(900px 480px at 12% -8%,rgba(54,201,219,.16),transparent 60%),
   radial-gradient(760px 420px at 108% 8%,rgba(64,214,160,.13),transparent 55%);
  border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);border:1px solid var(--line2);background:#0c1a2b;padding:6px 12px;border-radius:30px}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.05;margin:20px 0 0;letter-spacing:-.02em;font-weight:800;max-width:14ch}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(16px,2vw,20px);color:var(--muted);max-width:60ch;margin:20px 0 0}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero .trust{margin-top:34px;color:var(--dim);font-size:13px;display:flex;gap:22px;flex-wrap:wrap}
.hero .trust b{color:var(--muted);font-weight:600}

/* ---- sections ---- */
section.band{padding:74px 0}
section.band.alt{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.sec-head{text-align:center;max-width:62ch;margin:0 auto 46px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);margin:8px 0 0;letter-spacing:-.02em;font-weight:800}
.sec-head p{color:var(--muted);margin:14px 0 0;font-size:17px}

.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#11283a;border:1px solid #244a5c;box-shadow:0 0 22px -8px rgba(54,201,219,.6);margin-bottom:16px}
.card h3{margin:0 0 8px;font-size:18px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:15px}

/* steps */
.steps{counter-reset:s;display:grid;gap:16px}
.step{display:flex;gap:18px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.step .n{counter-increment:s;flex:none;width:40px;height:40px;border-radius:12px;background:#0c1a2b;border:1px solid var(--cyan);color:var(--cyan);display:grid;place-items:center;font-weight:700}
.step .n:before{content:counter(s)}
.step h3{margin:2px 0 6px;font-size:17px}
.step p{margin:0;color:var(--muted);font-size:15px}
.step code,.card code,.kb code{background:#0a1626;border:1px solid var(--line2);border-radius:6px;padding:2px 7px;font:13px ui-monospace,Menlo,Consolas,monospace;color:#bfe6ef}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.plan{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.plan.feat{border-color:var(--cyan);box-shadow:0 0 0 1px rgba(54,201,219,.25),0 24px 60px -34px rgba(54,201,219,.5)}
.plan .tag{position:absolute;top:-12px;left:28px;background:var(--grad);color:#042029;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px}
.plan h3{margin:0;font-size:20px}
.plan .price{font-size:40px;font-weight:800;letter-spacing:-.02em;margin:14px 0 2px}
.plan .price span{font-size:15px;font-weight:500;color:var(--muted)}
.plan .desc{color:var(--muted);font-size:14.5px;min-height:42px}
.plan ul{list-style:none;padding:0;margin:18px 0 22px}
.plan li{padding:7px 0 7px 26px;position:relative;font-size:14.5px;color:#cdddea;border-bottom:1px solid #16263820}
.plan li:before{content:'';position:absolute;left:0;top:13px;width:14px;height:8px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.plan .btn{width:100%;justify-content:center}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
form.cx label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
form.cx input,form.cx textarea,form.cx select{width:100%;background:#0a1626;border:1px solid var(--line2);color:var(--text);border-radius:10px;padding:12px 13px;font:inherit;outline:none}
form.cx input:focus,form.cx textarea:focus,form.cx select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(54,201,219,.15)}
form.cx textarea{min-height:130px;resize:vertical}
.infoline{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.infoline .ico{width:38px;height:38px;flex:none}
.slot{color:var(--amber)}

/* cta band */
.ctaband{background:
  radial-gradient(600px 300px at 50% -40%,rgba(54,201,219,.18),transparent 60%),var(--panel2);
  border:1px solid var(--line);border-radius:22px;padding:48px;text-align:center}
.ctaband h2{font-size:clamp(24px,3vw,34px);margin:0;letter-spacing:-.02em}
.ctaband p{color:var(--muted);margin:12px auto 24px;max-width:52ch}

/* footer */
footer.ft{border-top:1px solid var(--line);background:var(--bg2);margin-top:20px}
footer.ft .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;padding:48px 22px 30px}
footer.ft h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
footer.ft a{display:block;color:#bccde0;font-size:14.5px;padding:5px 0}
footer.ft a:hover{color:var(--cyan)}
.ft .copy{border-top:1px solid var(--line);color:var(--dim);font-size:13px;padding:16px 22px;text-align:center}
.ft .copy b{color:var(--muted)}

/* ---- 2026.10 additions: screenshots, plan badges, comparison, knowledge base ---- */
.shot{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0a1322;box-shadow:0 30px 80px -40px rgba(54,201,219,.45)}
.shot img{width:100%;height:auto}
.hero-shot{margin-top:56px}
.pb{display:inline-block;font-size:11.5px;font-weight:600;border-radius:20px;padding:2px 9px;margin:0 6px 6px 0;border:1px solid #245c55;color:var(--green);background:#0d2422}
.pb.pro{border-color:#2a5a6a;color:var(--cyan);background:#0c2230}.pb.bb{border-color:#5b4a26;color:var(--amber);background:#241c0f}
.feat-row{display:grid;grid-template-columns:1fr 1.25fr;gap:44px;align-items:center;padding:46px 0;border-bottom:1px solid var(--line)}
.feat-row:last-child{border-bottom:0}.feat-row.rev{grid-template-columns:1.25fr 1fr}.feat-row.rev .txt{order:2}
.feat-row h3{font-size:26px;margin:8px 0 10px;letter-spacing:-.01em}.feat-row p{color:var(--muted);margin:0 0 12px}
.feat-row ul{margin:0;padding-left:18px;color:#cdddea;font-size:15px}.feat-row li{margin:6px 0}
.matrix{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--panel2);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.matrix th,.matrix td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.matrix th{color:var(--muted);font-weight:600;font-size:13px;background:#0e1b2d}
.matrix td:not(:first-child),.matrix th:not(:first-child){text-align:center;width:150px}
.matrix .y{color:var(--green);font-weight:700}.matrix .n{color:#41556b}
.terms{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.kb-search{width:100%;background:#0a1626;border:1px solid var(--line2);color:var(--text);border-radius:12px;padding:14px 16px;font:inherit;font-size:16px;outline:none}
.kb-search:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(54,201,219,.15)}
.kb-cat{margin-top:34px}.kb-cat h2{font-size:20px;margin:0 0 12px}
.kb details{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:0 20px}
.kb summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.kb summary::-webkit-details-marker{display:none}.kb summary:after{content:'+';color:var(--cyan);font-weight:700}
.kb details[open] summary:after{content:'–'}
.kb .ans{color:#cdddea;font-size:15px;padding:0 0 18px}.kb .ans p{margin:0 0 10px}.kb .ans ul,.kb .ans ol{margin:0 0 10px;padding-left:20px}
.kb .ans table{border-collapse:collapse;font-size:14px;margin:6px 0 12px}.kb .ans td,.kb .ans th{border-bottom:1px solid var(--line);padding:6px 10px;text-align:left}
.doc{display:flex;gap:18px;align-items:center}.doc .pdf{flex:none;width:56px;height:68px;border-radius:8px;background:#2a1418;border:1px solid #5a2a32;color:#ff8a8a;display:grid;place-items:center;font-weight:800;font-size:13px}
.doc h3{margin:0 0 4px}.doc p{margin:0 0 12px}

/* responsive */
@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.price-grid,.terms{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}footer.ft .wrap{grid-template-columns:1fr 1fr}.feat-row,.feat-row.rev{grid-template-columns:1fr;gap:22px}.feat-row.rev .txt{order:0}}
@media(max-width:680px){.nav nav{display:none}.g4,.g2{grid-template-columns:1fr}.ctaband{padding:30px}footer.ft .wrap{grid-template-columns:1fr}.matrix td:not(:first-child),.matrix th:not(:first-child){width:auto;padding:10px 6px}.matrix th,.matrix td{padding:10px 8px;font-size:13px}}