/* ============================================================
   RAREBOOST — design system v2
   Принципы: меньше шума, крупнее типографика, один акцент,
   спокойные поверхности, много воздуха.
   ============================================================ */
:root{
  --bg:#08080A;
  --bg-2:#0B0B0E;
  --surface:#101013;
  --surface-2:#141418;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --text:#F5F5F7;
  --text-2:#C9C9D1;
  --muted:#86868F;
  --accent:#7C6BFF;
  --ok:#3DDC97;
  --bad:#FF6B6B;
  --accent-soft:#A79BFF;
  --ink:#0A0A0C;
  --r-sm:14px; --r-md:22px; --r-lg:30px; --r-pill:999px;
  --max:1160px;
  --font-d:'Space Grotesk',system-ui,-apple-system,sans-serif;
  --font-b:'Inter',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.35,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-b);font-size:18px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(1100px 620px at 50% -18%,rgba(124,107,255,.16),transparent 65%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-d);font-weight:600;line-height:1.06;letter-spacing:-.035em;margin:0}
h1{font-size:clamp(3.4rem,7.6vw,6.8rem)}
h2{font-size:clamp(2.3rem,4.8vw,3.7rem);letter-spacing:-.03em}
h3{font-size:1.7rem;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.u-wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:28px}
.u-eyebrow{font-size:.8rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.u-muted{color:var(--muted)}
.u-skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:10px 16px;border-radius:12px;z-index:100}
.u-skip:focus{left:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(8,8,10,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .3s}
.site-header.is-scrolled::before{border-color:var(--line)}
.site-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.site-brand{display:flex;align-items:center;flex-shrink:0}
.site-brand img{height:34px;width:auto}
.site-nav{display:flex;align-items:center;gap:30px}
.site-nav a{color:var(--text-2);font-size:.95rem;font-weight:450;transition:color .2s}
.site-nav a:hover{color:var(--text)}
.site-actions{display:flex;align-items:center;gap:10px}
.site-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.site-burger svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:54px;padding:0 28px;border-radius:var(--r-pill);
  font-size:1rem;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),background .2s,border-color .2s,opacity .2s;
}
.btn:active{transform:scale(.985)}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn--primary{background:var(--text);color:var(--ink)}
.btn--primary:hover{background:#fff;transform:translateY(-1px)}
.btn--ghost{border:1px solid var(--line-2);color:var(--text)}
.btn--ghost:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.04)}
.btn--sm{height:46px;padding:0 20px;font-size:.9rem}
.btn--block{width:100%}

/* ---------- hero ---------- */
.hero{padding:130px 0 100px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:72px;align-items:center}
.hero-grid>*{min-width:0}
.hero h1{margin:26px 0 28px}
.hero-lead{font-size:1.38rem;line-height:1.6;color:var(--text-2);max-width:26em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.hero-note{margin-top:26px;font-size:.92rem;color:var(--muted)}

/* panel */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px}
.panel-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.panel-state{display:flex;align-items:center;gap:10px;font-size:.92rem;font-weight:500;color:var(--text-2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(124,107,255,.9)}
.panel-loc{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:7px}.panel-loc img{width:19px;height:14px;border-radius:2px}
.panel-metric{margin:34px 0 8px}
.panel-metric small{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.panel-metric b{font-family:var(--font-d);font-size:4.1rem;font-weight:600;letter-spacing:-.05em;line-height:1}
.panel-metric b .unit{font-size:1rem;color:var(--muted);letter-spacing:0;margin-left:8px;font-weight:400}
.panel-chart{height:64px;margin:18px 0 28px;width:100%}
.panel-chart path{fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round}
.panel-chart .area{fill:url(#panelGrad);stroke:none;opacity:.35}
.panel-list{display:grid;gap:2px;border-top:1px solid var(--line);margin-bottom:26px}
.panel-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--text-2)}
.panel-row span:last-child{color:var(--muted);font-size:.85rem}

/* ---------- sections ---------- */
.section{padding:130px 0}
.section-head{max-width:720px;margin-bottom:60px}
.section-head h2{margin-top:18px;margin-bottom:20px}
.section-head p{color:var(--muted);font-size:1.1rem;max-width:34em}

/* features */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:64px}
.feature .num{font-family:var(--font-d);font-size:2rem;color:var(--accent-soft);letter-spacing:-.02em;margin-bottom:26px}
.feature h3{margin-bottom:12px}
.feature h3{font-size:1.8rem}
.feature p{color:var(--muted);font-size:1.05rem;max-width:26em}

/* pricing */
.prices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.price{display:flex;flex-direction:column;padding:38px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
.price--hot{border-color:rgba(255,255,255,.28);background:var(--surface-2)}
.price .name{font-size:1rem;color:var(--muted);margin-bottom:20px}
.price .cost{display:flex;align-items:baseline;gap:8px}
.price .cost b{font-family:var(--font-d);font-size:3.7rem;font-weight:600;letter-spacing:-.05em;line-height:1}
.price .cost s{color:var(--muted);font-size:1rem}
.price .note{color:var(--muted);font-size:.9rem;margin-top:10px;min-height:2.6em}
.price ul{display:grid;gap:13px;margin:28px 0 32px;font-size:1.02rem;color:var(--text-2)}
.price li{display:flex;gap:10px;align-items:flex-start}
.price li svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;stroke:var(--accent-soft);fill:none;stroke-width:2}
.price .btn{margin-top:auto}
.price .btn--primary{background:var(--accent);color:#fff}
.price .btn--primary:hover{background:#8d7dff}

/* faq */
.faq{max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:26px 0;font-size:1.15rem;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:20px;font-family:var(--font-d);letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-size:1.5rem;font-weight:300;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 26px;color:var(--muted);font-size:1rem;max-width:60ch}

/* closing CTA */
.closing{padding:120px 0 130px;text-align:center}
.closing h2{font-size:clamp(2.4rem,5.4vw,4.4rem);margin-bottom:22px}
.closing p{color:var(--muted);font-size:1.15rem;margin-bottom:38px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:64px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand img{height:30px;width:auto;margin-bottom:18px}
.foot-brand p{color:var(--muted);font-size:.95rem;max-width:26em}
.foot-col h4{font-family:var(--font-b);font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.foot-col a{display:block;padding:6px 0;color:var(--text-2);font-size:.95rem;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:26px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}

/* ---------- blog ---------- */
.blog-head{padding:100px 0 60px}
.blog-head h1{margin:24px 0 22px}
.blog-head p{color:var(--muted);font-size:1.15rem;max-width:30em}
.posts{display:grid;gap:24px;padding-bottom:40px}
.post-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface);transition:border-color .25s,transform .25s var(--ease)}
.post-card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.post-card-media{display:flex;align-items:center;background:#08080A;overflow:hidden}
.post-card-media img{width:100%;height:auto;object-fit:contain;transition:transform .7s var(--ease)}
.post-card:hover .post-card-media img{transform:scale(1.03)}
.post-card-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:.85rem}
.post-meta .sep{opacity:.4}
.post-card-body h2{font-size:clamp(1.6rem,2.6vw,2.2rem);margin:20px 0 16px}
.post-card-body p{color:var(--muted);font-size:1rem;max-width:44ch}
.post-more{margin-top:26px;color:var(--accent-soft);font-size:.95rem;font-weight:500}
.blog-note{padding:20px 0 100px;color:var(--muted);font-size:.95rem}

/* ---------- article ---------- */
.article{max-width:1080px;margin-inline:auto;padding:60px 28px 0}
.article-top{max-width:800px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:.9rem;margin-bottom:26px}
.crumbs a:hover{color:var(--text)}
.crumbs .sep{opacity:.4}
.article h1{font-size:clamp(2.2rem,5vw,3.9rem);margin-bottom:24px}
.article-lead{font-size:1.3rem;line-height:1.6;color:var(--text-2);max-width:36em}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:var(--muted);font-size:.9rem;margin-top:28px}
.article-meta .cat{color:var(--text-2)}
.article-cover{margin:44px 0 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);aspect-ratio:1200/630}
.article-cover img{width:100%;height:100%;object-fit:cover;display:block}
.article-main{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:80px;align-items:start;margin-top:60px}
.prose{max-width:720px;min-width:0}
.prose h2{font-size:2rem;margin:2.2em 0 .7em;scroll-margin-top:110px}
.prose h3{font-size:1.35rem;margin:1.9em 0 .5em}
.prose p{color:var(--text-2);font-size:1.12rem;line-height:1.85;margin:0 0 1.2em}
.prose ul,.prose ol{margin:0 0 1.5em;padding-left:1.4em;color:var(--text-2);font-size:1.12rem;line-height:1.8}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--muted)}
.prose strong{color:var(--text);font-weight:600}
.prose a{color:var(--accent-soft);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(167,155,255,.35)}
.prose a.btn{text-decoration:none}
.prose .btn--primary{color:var(--ink)}
.prose .btn--ghost{color:var(--text)}
.prose table{width:100%;border-collapse:collapse;margin:28px 0;font-size:1rem}
.prose th,.prose td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{color:var(--muted);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.note{padding:24px 26px;margin:32px 0;border-left:2px solid var(--accent);background:rgba(124,107,255,.07);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);font-size:1.02rem}
.note b{color:var(--text)}
.cta-block{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:22px;align-items:center;padding:26px 28px;margin:40px 0;border-radius:var(--r-md);border:1px solid rgba(124,107,255,.35);background:radial-gradient(620px 240px at 0% 0%,rgba(124,107,255,.22),transparent 65%),var(--surface)}
.cta-icon{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:rgba(124,107,255,.14);border:1px solid rgba(124,107,255,.35);flex-shrink:0}
.cta-icon svg{width:28px;height:28px;stroke:var(--accent-soft);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cta-tag{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:8px}
.cta-block h4{font-size:1.3rem;margin-bottom:6px;letter-spacing:-.02em}
.cta-block p{color:var(--muted);font-size:.98rem;margin:0;max-width:44ch}
.cta-block .btn{white-space:nowrap}
@media (max-width:760px){.cta-block{grid-template-columns:1fr;gap:16px;padding:24px}.cta-icon{width:52px;height:52px;border-radius:14px}.cta-block .btn{width:100%}}.inline-cta{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:26px 28px;margin:36px 0;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
.inline-cta h4{font-size:1.2rem;margin-bottom:4px}
.inline-cta p{color:var(--muted);font-size:.95rem;margin:0}
.side{position:sticky;top:110px}
.side-title{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.toc{display:grid;gap:2px}
.toc a{display:block;padding:7px 0 7px 14px;border-left:1px solid var(--line);color:var(--muted);font-size:.9rem;line-height:1.45}
.toc a:hover{color:var(--text)}
.toc a.is-on{color:var(--text);border-left-color:var(--accent)}
.share{display:flex;gap:10px;margin-top:34px}
.share a,.share button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2)}
.share a:hover,.share button:hover{border-color:var(--line-2);color:var(--text)}
.share svg{width:17px;height:17px}
.article-faq{margin-top:70px}
.article-faq h2{margin-bottom:6px}
.article-end{padding:70px 0 110px}
.progress{position:fixed;left:0;top:0;height:2px;width:0;background:var(--accent);z-index:60}

/* animated background orbs */
.bg{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.28;will-change:transform}
.orb-1{width:640px;height:640px;background:#7C6BFF;left:-12%;top:-22%;animation:drift1 36s ease-in-out infinite alternate}
.orb-2{width:540px;height:540px;background:#4A3BA8;right:-10%;top:6%;animation:drift2 46s ease-in-out infinite alternate}
.orb-3{width:700px;height:700px;background:#382D74;left:28%;bottom:-34%;animation:drift3 54s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(14%,12%) scale(1.12)}}
@keyframes drift2{to{transform:translate(-10%,14%) scale(1.08)}}
@keyframes drift3{to{transform:translate(8%,-12%) scale(1.1)}}
@media (max-width:760px){.orb{opacity:.2;filter:blur(90px)}}

/* panel servers grid */
.panel-servers{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;border-top:1px solid var(--line);margin-bottom:28px}
.panel-srv{display:flex;align-items:center;gap:9px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.9rem;color:var(--text-2);transition:color .25s}
.panel-srv img{width:18px;height:13px;border-radius:2px;flex-shrink:0}
.panel-srv .ping{margin-left:auto;color:var(--muted);font-size:.8rem;font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0}
.panel-srv span:not(.ping):not(.live){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.panel-srv.is-active{color:var(--text)}
.panel-srv.is-active .ping{color:var(--accent-soft)}
.panel-srv .live{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);opacity:0;flex-shrink:0}
.panel-srv.is-active .live{opacity:1}
@media (max-width:520px){.panel-servers{grid-template-columns:1fr}}
/* rich content: tables, pros/cons, check lists */
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.018)}
.prose td:first-child{color:var(--text)}
.prose table{border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.prose th{background:rgba(124,107,255,.10)}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0}
.proscons>div{padding:22px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.proscons h5{margin:0 0 14px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.proscons .ok h5{color:var(--ok)}
.proscons .bad h5{color:var(--bad)}
.proscons ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:1rem;color:var(--text-2)}
.proscons li{display:flex;gap:10px;align-items:flex-start}
.proscons li::before{content:"";width:7px;height:7px;border-radius:50%;margin-top:8px;flex-shrink:0}
.proscons .ok li::before{background:var(--ok)}
.proscons .bad li::before{background:var(--bad)}
.checklist{display:grid;gap:12px;margin:26px 0;padding:0;list-style:none}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:1.05rem}
.checklist li svg{width:20px;height:20px;flex-shrink:0;margin-top:3px;stroke:var(--ok);fill:none;stroke-width:2.2}
@media (max-width:760px){.proscons{grid-template-columns:1fr}}
/* reveal */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero{padding:80px 0 60px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:52px}
  .features{grid-template-columns:1fr;gap:40px}
  .prices{grid-template-columns:1fr;gap:16px}
  .article-main{grid-template-columns:minmax(0,1fr);gap:40px}
  .side{position:static;order:2}
  .side-nav{display:none}
  .post-card{grid-template-columns:minmax(0,1fr)}
  .post-card-media{order:-1}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:760px){
  .site-nav{display:none}
  .site-actions .btn--ghost{display:none}
  .site-burger{display:inline-flex}
  .site-header.is-open .site-nav{display:flex;position:absolute;left:0;right:0;top:80px;flex-direction:column;align-items:stretch;gap:2px;padding:16px 20px 22px;background:rgba(8,8,10,.98);border-bottom:1px solid var(--line)}
  .site-header.is-open .site-nav a{padding:13px 10px}
  .u-wrap{padding-inline:20px}
  .hero h1{font-size:clamp(2.6rem,10vw,3.4rem)}
  .hero-lead{font-size:1.15rem}
  .section{padding:70px 0}
  .section-head{margin-bottom:40px}
  .article{padding-inline:20px}
  .article h1{font-size:clamp(2rem,8vw,2.8rem)}
  .article-lead{font-size:1.12rem}
  .prose p,.prose ul,.prose ol{font-size:1.05rem}
  .post-card-body{padding:26px}
  .closing{padding:90px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1;transform:none}
}