/* netbox.itfresh.ru — токены и базовые стили. См. DESIGN.md */
:root{
  --bg:#FBFBF9; --surface:#F3F2EE; --text:#16211E; --muted:#4A5A55;
  --accent:#00857E; --accent-text:#046B66; --ink:#0E1B18; --ink-text:#D7E5E1;
  --line:#D8DDD9;
  --radius:10px; --r-btn:8px; --r-code:6px;
  --t-fast:150ms; --ease:cubic-bezier(.16,1,.3,1);
  --font:"Onest",system-ui,sans-serif; --mono:"JetBrains Mono",monospace;
  color-scheme: light;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:17px;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-text);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:where(a,button,input,textarea,[tabindex]):focus-visible{outline:2px solid var(--accent-text);outline-offset:2px;border-radius:6px}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.15;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,1.2rem+3.2vw,3.05rem)}
h2{font-size:clamp(1.5rem,1.2rem+1.4vw,2.1rem);margin-bottom:16px}
h3{font-size:1.23rem;font-weight:600;margin-bottom:8px}
p{margin-bottom:12px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
section{padding:104px 0}
@media(max-width:768px){section{padding:64px 0}}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,251,249,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{font-weight:800;font-size:1.1rem;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo svg{flex:none}
.logo b{color:var(--accent-text)}
.nav{display:flex;gap:26px;flex-wrap:wrap}
.nav a{color:var(--text);text-decoration:none;font-size:.95rem;font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.act{border-bottom-color:var(--accent);color:var(--accent-text)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;touch-action:manipulation}
@media(max-width:900px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:16px 24px;flex-direction:column;gap:4px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;min-height:44px;display:flex;align-items:center}
  .burger{display:block}
}

/* hero */
.hero{padding:88px 0 72px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:32px}}
.kicker{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.kicker::before{content:"";width:26px;height:2px;background:var(--accent)}
.hero p.lead{font-size:1.16rem;color:var(--muted);margin:20px 0 30px;max-width:34em}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;gap:9px;min-height:48px;padding:12px 26px;border-radius:var(--r-btn);font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform var(--t-fast) var(--ease),background var(--t-fast);touch-action:manipulation}
.btn.p{background:var(--accent-text);color:#fff}
.btn.p:hover{background:#035551;transform:translateY(-1px)}
.btn.g{border-color:var(--line);color:var(--accent-text);background:transparent}
.btn.g:hover{border-color:var(--accent)}
.hero-facts{display:flex;gap:34px;flex-wrap:wrap}
.fact .n{font-weight:800;font-size:1.55rem;color:var(--accent-text);font-variant-numeric:tabular-nums}
.fact .l{font-size:.86rem;color:var(--muted);max-width:11em}

/* line-art scheme */
.scheme{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:10px}
.scheme svg{display:block;width:100%}
@media (prefers-reduced-motion: no-preference){
  .draw path.trace{stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 1.8s var(--ease) .3s forwards}
  .draw circle.node{opacity:0;animation:pop .4s ease-out forwards}
  .draw circle.node:nth-of-type(1){animation-delay:.7s}
  .draw circle.node:nth-of-type(2){animation-delay:1.1s}
  .draw circle.node:nth-of-type(3){animation-delay:1.5s}
  .draw circle.node:nth-of-type(4){animation-delay:1.9s}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes pop{to{opacity:1}}
}
@media (prefers-reduced-motion: reduce){.draw path.trace{stroke-dashoffset:0}.draw circle.node{opacity:1}}

/* sections */
.sec-label{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);display:block;margin-bottom:10px}
.sec-sub{color:var(--muted);max-width:46em;margin-bottom:36px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:900px){.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color var(--t-fast)}
.card:hover{border-color:var(--accent)}
.card .ic{width:40px;height:40px;margin-bottom:14px;color:var(--accent)}
.card h3 a{color:var(--text);text-decoration:none}
.card h3 a:hover{color:var(--accent-text)}
.card p{font-size:.95rem;color:var(--muted);margin:0}
.card .more{display:inline-block;margin-top:12px;font-size:.9rem;font-weight:600}
.alt{background:var(--surface)}
.alt .card{background:#fff}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-weight:600;color:var(--accent);font-size:.9rem;display:block;margin-bottom:10px}
.step h3{font-size:1.05rem}
.step p{font-size:.92rem;color:var(--muted);margin:0}

/* code */
pre{background:var(--ink);color:var(--ink-text);font-family:var(--mono);font-size:.86rem;line-height:1.55;padding:18px 20px;border-radius:var(--r-code);overflow-x:auto;margin:16px 0}
code{font-family:var(--mono);font-size:.9em;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
pre code{background:none;border:none;padding:0}

/* article / kb */
.article{max-width:72ch;margin:0 auto;padding:56px 24px}
.article h1{margin-bottom:10px}
.article .meta{font-size:.86rem;color:var(--muted);font-family:var(--mono);margin-bottom:32px}
.article h2{margin-top:44px;padding-top:8px}
.article h3{margin-top:28px}
.article ul,.article ol{margin:0 0 14px 22px}
.article li{margin-bottom:6px}
.badge{display:inline-block;font-family:var(--mono);font-size:.76rem;border:1px solid var(--accent);color:var(--accent-text);border-radius:999px;padding:3px 12px;margin-bottom:14px}
.crumb{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:24px 0;font-size:.93rem}
.toc b{display:block;margin-bottom:8px}
.toc a{display:block;padding:3px 0;text-decoration:none}
.toc a:hover{text-decoration:underline}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:1.2rem;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:14px;margin:0}

/* table */
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.93rem;font-variant-numeric:tabular-nums}
th,td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
th{background:var(--surface);font-weight:600}

/* cta band */
.cta-band{background:var(--ink);color:#fff;text-align:center;padding:72px 24px}
.cta-band h2{color:#fff}
.cta-band p{color:#B9C8C4;max-width:38em;margin:0 auto 26px}
.cta-band .btn.p{background:var(--accent);color:#04211F}
.cta-band .btn.p:hover{background:#2FA69F}
.cta-band .btn.g{color:#fff;border-color:#3A4A46}
.cta-band a.plain{color:#B9C8C4}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0;font-size:.9rem;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted)}
.disclaimer{font-size:.8rem;max-width:56em;margin-top:14px}

/* screenshots */
.shot-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.shot-frame .bar{display:flex;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line)}
.shot-frame .bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.shot-frame img{display:block}

@media print{.site-header,.cta-band,footer nav{display:none}}