:root{
  --bg:#0b0f1a; --bg2:#111726; --card:#161d30; --border:#232b42;
  --text:#e8ecf5; --muted:#93a0b8; --accent:#5b8cff; --accent2:#8f6bff; --accent3:#c084fc;
  --green:#34d399; --danger:#f87171;
  --hero-bg:linear-gradient(180deg,#0e1424 0%,#0b0f1a 78%);
  --grad:linear-gradient(135deg,#5b8cff,#8f6bff,#c084fc);
  --placeholder:#5a6680; --code:#c7d2e5;
  --font:'Segoe UI',-apple-system,Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);
  font-family:var(--font);line-height:1.6;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
nav{display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;border-bottom:1px solid var(--border)}
.logo{font-size:20px;font-weight:700;letter-spacing:.2px;color:var(--text)}
.logo span{color:var(--accent)}
.navlinks{display:flex;gap:24px;align-items:center}
.navlinks a{color:var(--muted);font-size:14px}
.navlinks a:hover{color:var(--text)}
.navlinks select{background:var(--bg2);color:var(--text);border:1px solid var(--border);
  border-radius:8px;padding:8px 10px;font-size:14px;outline:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;
  font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.btn-primary:hover{filter:brightness(1.1)}
.btn-ghost{border-color:var(--border);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--muted)}
.navlinks .btn-primary{color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 48px;text-align:center;
  background:var(--hero-bg)}
.hero .badge{display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--border);
  color:var(--muted);font-size:13px;margin-bottom:20px}
.hero h1{font-size:48px;line-height:1.1;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.grad{background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 32px}
.tokenbox{max-width:560px;margin:0 auto;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:20px;display:flex;gap:10px;align-items:center}
.tokenbox input{flex:1;background:var(--bg2);border:1px solid var(--border);border-radius:10px;
  padding:13px 14px;color:var(--text);font-size:14px;outline:none;font-family:ui-monospace,monospace}
.tokenbox input::placeholder{color:var(--placeholder)}
.tokenbox input:focus{border-color:var(--accent)}
.keynote{max-width:560px;margin:12px auto 0;text-align:center;font-size:12.5px;color:var(--muted)}
.keynote code{color:var(--green)}
.hint{margin-top:14px;font-size:12.5px;color:var(--muted)}
.hint code{color:var(--green)}

/* ---------- features ---------- */
.features{padding:72px 0}
.features h2{font-size:32px;font-weight:800;text-align:center;margin-bottom:12px}
.features .sub{color:var(--muted);text-align:center;margin-bottom:48px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px}
.card .ico{font-size:26px;margin-bottom:12px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}

/* ---------- how ---------- */
.how{padding:0 0 72px}
.how h2{font-size:32px;font-weight:800;text-align:center;margin-bottom:48px}
.steps{display:flex;gap:20px;text-align:center}
.step{flex:1;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 20px}
.step .n{width:34px;height:34px;line-height:34px;margin:0 auto 14px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:700}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13.5px}

/* ---------- existing ---------- */
.existing{padding:0 0 20px}

/* ---------- linux ---------- */
.linux{padding:0 0 72px}
.linux h2{font-size:32px;font-weight:800;text-align:center;margin-bottom:12px}
.linux .sub{color:var(--muted);text-align:center;margin-bottom:32px}
.snippet{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:20px}
.snippet-top{display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-bottom:1px solid var(--border)}
.snippet-name{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.snippet pre{margin:0;padding:16px;background:var(--bg);overflow-x:auto}
.snippet code{font:13px/1.6 'SFMono-Regular',Consolas,'Liberation Mono',monospace;color:var(--code);white-space:pre}
.copy{background:transparent;color:var(--accent);border:1px solid var(--border);
  border-radius:8px;padding:5px 12px;font-size:12.5px;cursor:pointer;font-family:inherit}
.copy:hover{border-color:var(--accent)}
.linux-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:4px}
.linux-grid .snippet{margin-bottom:0}

/* ---------- legal ---------- */
.legal{padding:56px 0;border-top:1px solid var(--border)}
.legal h2{font-size:26px;font-weight:800;margin-bottom:20px}
.legal ul{list-style:none;max-width:760px}
.legal li{color:var(--muted);font-size:14px;padding:12px 0;border-bottom:1px solid var(--border)}
.legal li:last-child{border-bottom:none}
.legal strong{color:var(--text)}
.legal code{color:var(--green)}

/* ---------- dashboard / stats ---------- */
.dash{padding:40px 0 32px}
.dash-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:8px}
.dash-head h2{font-size:26px;font-weight:800}
.dash-head .muted{color:var(--muted);font-size:13px}
.metrics{display:flex;gap:18px;margin-bottom:24px;flex-wrap:wrap}
.metric{flex:1;min-width:140px;background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:16px}
.metric .v{font-size:22px;font-weight:700;word-break:break-all}
.metric .k{font-size:12px;color:var(--muted)}
.panel{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:20px}
.panel .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}

/* bars (flexbox, без SVG) */
.bars{display:flex;align-items:flex-end;gap:6px;height:180px}
.bar-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;
  gap:6px;height:100%;min-width:0}
.bar{width:100%;max-width:34px;background:linear-gradient(180deg,var(--accent),var(--accent2));
  border-radius:4px 4px 0 0}
.bar-col:nth-child(even) .bar{background:linear-gradient(180deg,var(--accent2),var(--accent3))}
.bar-day{font-size:11px;color:var(--muted);white-space:nowrap}

/* breakdown rows */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rowrow,.row{display:grid;grid-template-columns:1fr 90px 110px 100px;gap:8px;
  padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;align-items:center}
.rowrow .h{color:var(--muted);font-size:12px}
.row-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-req,.row-caps,.row-rub{text-align:right;font-variant-numeric:tabular-nums}
.row:last-child{border-bottom:none}

/* ---------- states ---------- */
.loader,.empty,.err{padding:40px;text-align:center;color:var(--muted);font-size:15px}
.err{color:var(--danger)}
.progress{text-align:center;color:var(--muted);font-size:13px;padding:4px 0 12px}

/* ---------- blog post ---------- */
.post{max-width:760px;margin:40px auto 56px;padding:0 8px}
.post h1{font-size:34px;font-weight:800;line-height:1.25;margin-bottom:16px}
.post .lead{font-size:17px;color:var(--muted);margin-bottom:28px;line-height:1.6}
.post h2{font-size:24px;font-weight:800;margin:34px 0 12px}
.post h3{font-size:18px;font-weight:700;margin:26px 0 8px}
.post p{margin-bottom:16px;font-size:16px;line-height:1.7}
.post ul,.post ol{margin:0 0 16px 24px}
.post li{margin-bottom:8px;font-size:16px;line-height:1.6}
.post .cta{background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:22px;margin:30px 0}
.post .cta h3{margin-top:0}
.post .related{margin-top:36px;padding-top:20px;border-top:1px solid var(--border)}
.post .related h3{font-size:15px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}
.post .related a{display:block;margin-bottom:8px}

/* blogroll on landing */
.blogroll{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:center;
  padding:0 0 28px;font-size:13px}
.blogroll-label{color:var(--muted)}
.blogroll a{color:var(--muted)}
.blogroll a:hover{color:var(--text)}

/* blog index */
.blog-index{padding:48px 0 64px}
.blog-index h1{font-size:34px;font-weight:800;margin-bottom:8px}
.blog-index .sub{color:var(--muted);margin-bottom:36px}
.blog-list{display:grid;gap:16px;max-width:760px}
.blog-item{display:block;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:22px;transition:.15s}
.blog-item:hover{border-color:var(--accent)}
.blog-item h2{font-size:19px;margin-bottom:8px;color:var(--text)}
.blog-item p{color:var(--muted);font-size:14px}
.pagination{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-start;
  max-width:760px;margin-top:28px;padding:0;border-bottom:none}
.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;
  padding:0 12px;border:1px solid var(--border);border-radius:10px;color:var(--text);
  font-size:14px;text-decoration:none;background:var(--card);transition:.15s}
.page-link:hover{border-color:var(--accent)}
.page-link.current{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;
  font-weight:700;border-color:transparent}
.page-link.disabled{opacity:.45;pointer-events:none}

/* ---------- footer ---------- */
footer{padding:32px 0;border-top:1px solid var(--border);display:flex;
  justify-content:space-between;color:var(--muted);font-size:13px;flex-wrap:wrap;gap:12px}

@media(max-width:820px){
  .grid,.steps,.two,.linux-grid{grid-template-columns:1fr;flex-direction:column}
  .hero h1{font-size:34px}
  .steps{flex-direction:column}
}

/* ---------- parallax banner ---------- */
.hero-inner{position:relative;z-index:1}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none;will-change:transform}
.blob.b1{width:460px;height:460px;left:-120px;top:-160px;background:radial-gradient(circle,var(--accent) 0%,transparent 70%)}
.blob.b2{width:420px;height:420px;right:-100px;top:-120px;background:radial-gradient(circle,var(--accent2) 0%,transparent 70%)}
.blob.b3{width:380px;height:380px;left:42%;bottom:-170px;background:radial-gradient(circle,var(--accent3) 0%,transparent 70%)}
@media(max-width:820px){.blob{opacity:.35}}

/* ---------- matrix theme (чёрно-зелёный, «Матрица») ---------- */
:root[data-theme="matrix"]{
  --bg:#000000; --bg2:#051209; --card:#07190c; --border:#0f3d1f;
  --text:#d6ffdb; --muted:#5fae6b; --accent:#00ff41; --accent2:#00c234; --accent3:#2bff5e;
  --green:#00ff41; --danger:#ff5c5c;
  --hero-bg:linear-gradient(180deg,#02140a 0%,#000000 78%);
  --grad:linear-gradient(135deg,#00ff41,#00c234,#7dff8a);
  --placeholder:#3f7a4c; --code:#a7ecaf;
  --font:ui-monospace,'SFMono-Regular',Consolas,'Liberation Mono','Courier New',monospace;
}
:root[data-theme="matrix"] body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:2147483646;
  background:repeating-linear-gradient(0deg,rgba(0,255,65,.025) 0 1px,transparent 1px 3px);
}
:root[data-theme="matrix"] body{text-shadow:0 0 1px rgba(0,255,65,.14)}
:root[data-theme="matrix"] .logo,
:root[data-theme="matrix"] h1,
:root[data-theme="matrix"] h2,
:root[data-theme="matrix"] h3,
:root[data-theme="matrix"] .badge{text-shadow:0 0 12px rgba(0,255,65,.4)}
:root[data-theme="matrix"] .btn-primary{box-shadow:0 0 14px rgba(0,255,65,.35)}
:root[data-theme="matrix"] .card,
:root[data-theme="matrix"] .step,
:root[data-theme="matrix"] .metric,
:root[data-theme="matrix"] .panel,
:root[data-theme="matrix"] .tokenbox,
:root[data-theme="matrix"] .snippet,
:root[data-theme="matrix"] .blog-item{box-shadow:0 0 0 1px rgba(0,255,65,.06), 0 0 18px rgba(0,255,65,.05)}
:root[data-theme="matrix"] ::selection{background:#00ff41;color:#000}