/* alpha-lead — общая дизайн-система. Собран из макета главной + блоки страниц кейсов. */
/* ============ TOKENS ============ */
:root{
  --paper:#EEE9DE;
  --paper-2:#E6E0D2;
  --paper-3:#DBD4C2;
  --ink:#14150E;
  --ink-2:#31332A;
  --muted:#7A7A6C;
  --line:#C8C1AE;
  --line-2:#ABA38C;
  --accent:#D93B16;
  --accent-2:#A82A0B;
  --graphite:#1A1C15;
  --graphite-2:#232619;
  --ok:#2C6642;
  --maxw:1260px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Unbounded",system-ui,-apple-system,sans-serif;
  --body:"Golos Text",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);background:var(--paper);color:var(--ink);
  line-height:1.55;font-size:17px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(to right,rgba(20,21,14,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,21,14,.05) 1px,transparent 1px);
  background-size:52px 52px;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 34px;position:relative;z-index:2}
a{color:inherit}
img{max-width:100%;display:block}

h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:1.03;letter-spacing:-.02em}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.lead{font-size:19px;color:var(--ink-2);max-width:62ch}

/* ============ TOP BAR ============ */
.topbar{background:var(--graphite);color:#CFCBB8;position:relative;z-index:3}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:40px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.topbar .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#7CC24A;margin-right:9px;box-shadow:0 0 0 3px rgba(124,194,74,.18);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.topbar .tb-r{color:#8C8977}
@media(max-width:860px){.topbar .tb-r{display:none}}

/* ============ HEADER ============ */
header.site{position:sticky;top:0;z-index:40;background:rgba(238,233,222,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;height:78px}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none;min-width:0}
.brand b{font-family:var(--disp);font-weight:800;font-size:23px;letter-spacing:-.03em}
.brand span{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-left:12px;border-left:1px solid var(--line-2)}
nav.main{display:flex;align-items:center;gap:24px}
nav.main a{font-size:15px;text-decoration:none;color:var(--ink-2);position:relative;padding:4px 0;transition:.16s}
nav.main a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--accent);transition:.2s}
nav.main a:hover{color:var(--ink)}
nav.main a:hover::after{width:100%}
.hdr-cta{display:flex;align-items:center;gap:18px;min-width:0}
.burger{display:none;width:44px;height:38px;border:1px solid var(--line-2);background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger i{display:block;width:19px;height:1.5px;background:var(--ink)}
@media(max-width:1120px){nav.main{display:none}.burger{display:flex}}

/* ============ BUTTONS ============ */
.btn{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;
  padding:16px 24px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  display:inline-flex;align-items:center;gap:11px;cursor:pointer;text-decoration:none;
  transition:.18s;position:relative;white-space:nowrap;
}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn--accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn .ar{transition:transform .18s}
.btn:hover .ar{transform:translateX(4px)}

/* ============ SECTIONS ============ */
section.blk{padding:104px 0;position:relative;border-top:1px solid var(--line)}
.sec-head{margin-bottom:52px}
.sec-num{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);display:flex;align-items:center;gap:16px;margin-bottom:24px;
}
.sec-num::after{content:"";flex:1;height:1px;background:var(--line)}
.sec-head h2{font-size:clamp(29px,3.8vw,50px);max-width:26ch;margin-bottom:20px}
.sec-head .lead{max-width:64ch}

/* corner ticks */
.ticks::before,.ticks::after{content:"";position:absolute;width:10px;height:10px;border:0 solid var(--accent);transition:.2s}
.ticks::before{top:-1px;left:-1px;border-left-width:2px;border-top-width:2px}
.ticks::after{bottom:-1px;right:-1px;border-right-width:2px;border-bottom-width:2px}
.ticks:hover::before,.ticks:hover::after{width:20px;height:20px}

/* ============ HERO ============ */
.hero{padding:66px 0 78px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:11px;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line-2);padding:9px 14px;margin-bottom:30px}
.eyebrow b{color:var(--accent)}
.hero h1{font-size:clamp(32px,5.8vw,74px);font-weight:800;letter-spacing:-.035em;line-height:.99;margin-bottom:26px;max-width:23ch;overflow-wrap:break-word}
.hero h1 .hl{color:var(--accent)}
.hero .lead{font-size:20px;margin-bottom:22px;max-width:58ch}
.hero-note{font-size:16px;color:var(--muted);max-width:58ch;border-left:2px solid var(--accent);padding-left:15px;line-height:1.6;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2);margin-bottom:26px}
.hstat{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:20px 22px}
.hstat b{font-family:var(--disp);font-weight:700;font-size:27px;display:block;letter-spacing:-.02em}
.hstat span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-top:5px}

/* ============ CHAIN ============ */
.schematic{border:1px solid var(--line-2);background:linear-gradient(180deg,var(--paper-2),var(--paper));padding:28px 28px 30px;position:relative}
.schematic .sch-cap{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--line-2);padding-bottom:14px;margin-bottom:26px}
.schematic .sch-cap b{color:var(--ink)}
.flow{display:flex;align-items:flex-start;flex-wrap:nowrap}
.fnode{flex:0 0 auto;width:118px;text-align:center}
.fbox{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;
  border:1px solid var(--ink);background:var(--paper);height:76px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:6px;line-height:1.2;
  transition:.22s;position:relative;
}
.fnode:hover .fbox{background:var(--ink);color:var(--paper);transform:translateY(-3px)}
.ficon{font-size:15px;color:var(--accent);line-height:1}
.fnode:hover .ficon{color:#fff}
.fnode--out .fbox{border-color:var(--accent);border-width:2px}
.fnode--out .ficon{color:var(--accent)}
.fidx{font-family:var(--mono);font-size:10px;color:var(--muted);display:block;margin-bottom:8px;letter-spacing:.1em}
.flink{flex:1 1 auto;min-width:12px;height:1px;background:var(--line-2);margin-top:66px;position:relative}
.flink::after{content:"";position:absolute;right:-1px;top:-3px;border:3.5px solid transparent;border-left-color:var(--line-2)}
.schematic .sch-out{margin-top:26px;border-top:1px dashed var(--line-2);padding-top:18px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.schematic .sch-out .res{font-family:var(--disp);font-weight:600;font-size:17px}
.schematic .sch-out .res i{color:var(--accent);font-style:normal}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--ok);color:var(--ok);padding:6px 11px}

/* ============ PROBLEM ============ */
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line-2)}
.pcard{padding:34px 32px 36px;border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);background:var(--paper-2);position:relative;transition:.2s}
.pcard:nth-child(2n){border-right:0}
.pcard:nth-child(n+3){border-bottom:0}
.pcard:hover{background:var(--paper)}
.pcard .pnum{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--accent);margin-bottom:18px;display:block}
.pcard h3{font-family:var(--disp);font-weight:600;font-size:21px;letter-spacing:-.015em;margin-bottom:12px;line-height:1.2}
.pcard p{color:var(--ink-2);font-size:16px}
.bridge{margin-top:34px;font-family:var(--disp);font-weight:600;font-size:clamp(19px,2.3vw,27px);letter-spacing:-.02em;max-width:34ch;line-height:1.25}
.bridge i{font-style:normal;color:var(--accent)}

/* ============ DIRECTIONS ============ */
.dirs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dcard{border:1px solid var(--line-2);background:var(--paper-2);padding:30px 26px 28px;display:flex;flex-direction:column;transition:.2s;position:relative}
.dcard:hover{background:var(--paper);transform:translateY(-3px);border-color:var(--ink)}
.dcard .dnum{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--accent);margin-bottom:20px;display:block}
.dcard h3{font-family:var(--mono);font-weight:700;font-size:15px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.dcard p{font-size:16px;color:var(--ink-2);margin-bottom:22px;flex:1}
.dcard .dstack{font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:var(--muted);border-top:1px dashed var(--line-2);padding-top:14px;line-height:1.7}

/* ============ PROCESS ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.step{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:30px 22px 34px}
.step .sidx{font-family:var(--disp);font-weight:800;font-size:36px;color:var(--line-2);line-height:1;margin-bottom:20px;letter-spacing:-.03em}
.step:hover .sidx{color:var(--accent)}
.step h4{font-family:var(--disp);font-weight:600;font-size:17px;letter-spacing:-.01em;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.5}

/* ============ CASES ============ */
.case-row{display:grid;grid-template-columns:330px 1fr;gap:46px;padding:40px 0;border-top:1px solid var(--line-2)}
.case-row:last-of-type{border-bottom:1px solid var(--line-2)}
.cr-side .cr-tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:12px}
.cr-side h3{font-family:var(--disp);font-weight:700;font-size:25px;letter-spacing:-.025em;margin-bottom:20px}
.cr-res{border-left:2px solid var(--accent);padding-left:16px}
.cr-res b{font-family:var(--disp);font-weight:800;font-size:28px;color:var(--accent);display:block;letter-spacing:-.02em;line-height:1.1}
.cr-res span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-top:8px;line-height:1.6}
.cr-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.cr-fields>div>span{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:10px}
.cr-fields p{font-size:16px;color:var(--ink-2);line-height:1.55}

/* ============ WHY ============ */
.why-top{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:52px}
.why-eq{font-family:var(--disp);font-weight:800;font-size:clamp(34px,4.6vw,62px);letter-spacing:-.035em;line-height:1}
.why-eq i{font-style:normal;color:var(--accent)}
.whys{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.why{padding:30px 26px 34px;border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.why h4{font-family:var(--disp);font-weight:600;font-size:18px;letter-spacing:-.01em;margin-bottom:12px}
.why p{font-size:15.5px;color:var(--ink-2)}

/* ============ INDUSTRIES ============ */
.ind{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.ind-card{border:1px solid var(--accent);padding:32px 28px 30px;background:var(--paper-2);position:relative;transition:.2s}
.ind-card:hover{transform:translateY(-3px)}
.ind-card .itag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:16px}
.ind-card h3{font-family:var(--disp);font-weight:700;font-size:24px;letter-spacing:-.025em;margin-bottom:12px}
.ind-card p{font-size:15.5px;color:var(--ink-2)}
.ind-other{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind-mini{border:1px dashed var(--line-2);padding:24px 24px 26px;background:var(--paper);transition:.2s}
.ind-mini:hover{border-style:solid;border-color:var(--ink)}
.ind-mini h4{font-family:var(--disp);font-weight:600;font-size:18px;letter-spacing:-.01em;margin-bottom:9px}
.ind-mini p{font-size:14.5px;color:var(--muted);line-height:1.5}

/* ============ RESULTS ============ */
.res-stats{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2);margin-bottom:20px}
.res-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res-card{border:1px solid var(--line-2);background:var(--paper-2);padding:28px 26px 30px;position:relative;transition:.2s}
.res-card:hover{background:var(--paper);border-color:var(--ink);transform:translateY(-3px)}
.res-card h3{font-family:var(--disp);font-weight:600;font-size:19px;letter-spacing:-.015em;line-height:1.2;margin-bottom:12px}
.res-card p{font-size:15.5px;color:var(--ink-2)}

/* ============ PRODUCTS ============ */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{border:1px solid var(--line-2);background:var(--paper-2);padding:30px 28px 30px;display:flex;flex-direction:column;position:relative;transition:.2s}
.prod:hover{background:var(--paper);border-color:var(--ink);transform:translateY(-3px)}
.prod .ptag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:16px}
.prod h3{font-family:var(--disp);font-weight:700;font-size:23px;letter-spacing:-.025em;margin-bottom:12px}
.prod .pdesc{font-size:15.5px;color:var(--ink-2);margin-bottom:20px}
.prod .pprob{border-top:1px dashed var(--line-2);padding-top:16px;margin-bottom:24px}
.prod .pprob b{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500;display:block;margin-bottom:8px}
.prod .pprob span{font-size:14.5px;color:var(--ink-2);line-height:1.55;display:block}
.prod .pcta{margin-top:auto;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:3px;align-self:flex-start;transition:.16s}
.prod .pcta:hover{color:var(--accent)}

/* ============ FORMATS ============ */
.fmts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.fmt{border:1px solid var(--line-2);background:var(--paper-2);padding:30px 26px 32px;display:flex;flex-direction:column;position:relative;transition:.2s}
.fmt:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(20,21,14,.5)}
.fmt .flvl{font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.fmt h3{font-family:var(--disp);font-weight:700;font-size:20px;letter-spacing:-.02em;margin-bottom:12px;line-height:1.15}
.fmt p{font-size:15px;color:var(--ink-2);margin-bottom:22px;flex:1}
.fmt .fprice{font-family:var(--disp);font-weight:800;font-size:24px;letter-spacing:-.03em;padding-top:18px;border-top:1px solid var(--line);margin-top:auto}
.fmt .fprice small{font-family:var(--mono);font-size:10.5px;font-weight:400;color:var(--muted);letter-spacing:.06em;display:block;margin-top:7px;text-transform:uppercase}
.fmt--feat{background:var(--graphite);border-color:var(--graphite);color:#EDEADF}
.fmt--feat .flvl,.fmt--feat p{color:#B7B3A0}
.fmt--feat .fprice{border-color:rgba(255,255,255,.16);color:#fff}
.fmt--feat .fprice small{color:#8D8A78}
.badge-feat{position:absolute;top:-1px;right:-1px;background:var(--accent);color:#fff;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;padding:6px 11px}
.fmt-note{margin-top:26px;font-family:var(--mono);font-size:12.5px;color:var(--muted);border-left:2px solid var(--accent);padding-left:14px;line-height:1.6}

/* ============ CTA ============ */
.cta{background:var(--graphite);color:#EDEADF;border-top:1px solid var(--graphite);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:52px 52px}
.cta .wrap{position:relative;z-index:2;padding:92px 34px}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.cta h2{font-size:clamp(29px,3.9vw,48px);color:#fff;margin-bottom:22px;max-width:19ch}
.cta .lead{color:#B7B3A0;margin-bottom:32px}
.cta .cl{display:flex;flex-direction:column;gap:15px;font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:#CFCBB8;text-transform:none}
.cta .cl a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:2px;transition:.16s}
.cta .cl a:hover{color:#fff;border-color:#fff}
.form{background:#20231A;border:1px solid rgba(255,255,255,.14);padding:32px 30px 34px}
.form .fh{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:#8D8A78;margin-bottom:24px;display:flex;justify-content:space-between;gap:12px}
.form label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#9A9683;margin-bottom:9px}
.form input,.form select,.form textarea{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.24);color:#fff;font-family:var(--body);font-size:16px;padding:11px 0;margin-bottom:22px;outline:none;transition:.16s}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--accent)}
.form select option{background:#20231A}
.form textarea{resize:vertical}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form .btn{width:100%;justify-content:center}
.form .pol{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:#7C7968;margin-top:15px;text-transform:none;line-height:1.5}

/* ============ FOOTER ============ */
footer.site{background:#131510;color:#8F8C7A;border-top:1px solid #2A2C22;padding:66px 0 32px;position:relative;z-index:2}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:52px}
footer.site .fbrand b{font-family:var(--disp);font-weight:800;font-size:25px;color:#fff;letter-spacing:-.03em;display:block;margin-bottom:16px}
footer.site .fbrand p{font-size:15px;max-width:38ch;line-height:1.6}
footer.site h5{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#6E6B5C;margin-bottom:16px;font-weight:500}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:10px}
footer.site ul a{text-decoration:none;font-size:15px;transition:.16s}
footer.site ul a:hover{color:#fff}
.fbot{border-top:1px solid #2A2C22;padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:#6E6B5C;text-transform:none}

/* ============ PHONE ============ */
@media(max-width:900px){
  .pgrid{grid-template-columns:1fr}
  .pcard{border-right:0}
  .pcard:nth-child(3){border-bottom:1px solid var(--line-2)}
  .pcard:last-child{border-bottom:0}
  .dirs,.fmts{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .case-row{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .cr-fields{grid-template-columns:1fr;gap:22px}
  .why-top{grid-template-columns:1fr;gap:24px;align-items:start}
  .whys{grid-template-columns:1fr}
  .why{border-right:0}
  .why:not(:last-child){border-bottom:1px solid var(--line-2)}
  .ind,.ind-other{grid-template-columns:1fr}
  .res-cards,.prods{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:46px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:820px){
  .flow{flex-direction:column;align-items:center}
  .flink{width:1px;height:24px;flex:0 0 24px;margin:0}
  .flink::after{right:-3px;top:auto;bottom:-1px;border-left-color:transparent;border-top-color:var(--line-2)}
  .fnode{width:100%;max-width:260px}
}
@media(max-width:760px){
  .wrap{padding:0 20px}
  .topbar .wrap{height:auto;min-height:38px;padding-top:9px;padding-bottom:9px;line-height:1.35;gap:10px}
  .topbar .wrap>div{min-width:0}
  header.site .wrap{height:66px;gap:14px}
  .hdr-cta .btn{display:none}
  h1,h2,h3{overflow-wrap:break-word}
  .hero{padding:42px 0 56px}
  .hero .lead{font-size:18px}
  .hero-cta{margin-bottom:38px}
  .hero-cta .btn{flex:1 1 auto;justify-content:center}
  .hstat{padding:16px 18px}
  .hstat b{font-size:22px}
  .schematic{padding:22px 18px 24px}
  section.blk{padding:64px 0}
  .sec-head{margin-bottom:34px}
  .pcard{padding:26px 22px 28px}
  .dcard{padding:26px 22px 26px}
  .step{padding:24px 18px 26px}
  .ind-card{padding:26px 22px 28px}
  .res-card{padding:26px 22px 28px}
  .prod{padding:26px 22px 28px}
  .fmt{padding:26px 22px 28px}
  .cta .wrap{padding:64px 20px}
  .form{padding:26px 20px 28px}
  .form .row2{grid-template-columns:1fr}
}
@media(max-width:560px){
  .brand span{display:none}
  .dirs,.fmts,.steps{grid-template-columns:1fr}
  .res-stats{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr;gap:34px}
  .fbot{flex-direction:column;gap:12px}
}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ============ REVEAL ============ */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.rv.in{opacity:1;transform:none}

/* ============ MOBILE NAV ============ */
.mnav{position:fixed;inset:0;z-index:60;background:var(--paper);transform:translateY(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);padding:26px 30px;display:flex;flex-direction:column}
.mnav.open{transform:none}
.mnav .mtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.mnav .mclose{width:42px;height:38px;border:1px solid var(--line-2);background:none;font-size:20px;cursor:pointer}
.mnav a{font-family:var(--disp);font-weight:600;font-size:24px;text-decoration:none;padding:14px 0;border-bottom:1px solid var(--line);letter-spacing:-.02em}

/* ============ CASE PAGES ============ */
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.crumbs a{text-decoration:none;color:var(--muted);transition:.16s}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-style:normal;color:var(--line-2)}
.crumbs .cur{color:var(--ink-2)}

.case-hero{padding:48px 0 0;position:relative}
.case-hero .ctag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:20px}
.case-hero h1{font-size:clamp(30px,4.6vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.03;max-width:22ch;margin-bottom:24px;overflow-wrap:break-word}
.case-hero h1 .hl{color:var(--accent)}
.case-hero .lead{font-size:20px;max-width:60ch}

.case-meta{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2);margin-top:46px}
.case-meta>div{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:20px 22px}
.case-meta .mk{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:9px}
.case-meta .mv{font-family:var(--disp);font-weight:600;font-size:17px;letter-spacing:-.015em;line-height:1.25;display:block}
.case-meta .mv--acc{color:var(--accent)}

/* контекст */
.ctx{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.ctx .cc{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:30px 26px 32px;background:var(--paper-2);transition:.2s}
.ctx .cc:hover{background:var(--paper)}
.ctx .cc .cn{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--accent);display:block;margin-bottom:16px}
.ctx .cc h3{font-family:var(--disp);font-weight:600;font-size:19px;letter-spacing:-.015em;line-height:1.2;margin-bottom:12px}
.ctx .cc p{font-size:15.5px;color:var(--ink-2)}

/* решение */
.sols{display:flex;flex-direction:column;border-top:1px solid var(--line-2)}
.sol{display:grid;grid-template-columns:64px 1fr 1.2fr;gap:34px;padding:30px 0;border-bottom:1px solid var(--line-2);align-items:start}
.sol .sn{font-family:var(--disp);font-weight:800;font-size:22px;color:var(--line-2);letter-spacing:-.03em;line-height:1;transition:.2s}
.sol:hover .sn{color:var(--accent)}
.sol h3{font-family:var(--disp);font-weight:600;font-size:20px;letter-spacing:-.02em;line-height:1.18}
.sol p{font-size:16px;color:var(--ink-2)}

/* было / стало */
.ba{display:flex;flex-direction:column;border-top:1px solid var(--line-2)}
.ba-row{display:grid;grid-template-columns:1fr 54px 1fr;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line-2)}
.ba-row .bw{font-size:16.5px;color:var(--muted);line-height:1.5}
.ba-row .ba-ar{font-family:var(--mono);font-size:15px;color:var(--accent);text-align:center}
.ba-row .bn{font-size:16.5px;font-weight:500;line-height:1.5}
.ba-hd{display:grid;grid-template-columns:1fr 54px 1fr;gap:20px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.ba-hd span{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* результат */
.rnums{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.rnum{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:34px 28px 36px;background:var(--paper-2)}
.rnum b{font-family:var(--disp);font-weight:800;font-size:clamp(30px,3.4vw,44px);letter-spacing:-.035em;line-height:1;display:block;color:var(--accent)}
.rnum span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-top:12px;line-height:1.6}
.rnum p{font-size:14.5px;color:var(--ink-2);margin-top:14px}

/* стек */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chipx{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line-2);background:var(--paper-2);color:var(--ink-2);padding:9px 14px}

/* отзыв */
.quote{border-left:2px solid var(--accent);padding:4px 0 4px 28px;max-width:72ch}
.quote p{font-family:var(--disp);font-weight:600;font-size:clamp(19px,2.2vw,26px);letter-spacing:-.02em;line-height:1.35;margin-bottom:20px}
.quote .qa{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* другие кейсы */
.others{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ocard{border:1px solid var(--line-2);background:var(--paper-2);padding:30px 28px 32px;display:flex;flex-direction:column;text-decoration:none;transition:.2s}
.ocard:hover{background:var(--paper);border-color:var(--ink);transform:translateY(-3px)}
.ocard .otag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.ocard h3{font-family:var(--disp);font-weight:700;font-size:23px;letter-spacing:-.025em;margin-bottom:12px}
.ocard p{font-size:15px;color:var(--ink-2)}
.ocard .ores{font-family:var(--disp);font-weight:800;font-size:20px;color:var(--accent);margin-top:auto;padding-top:22px;letter-spacing:-.02em}
.ocard .ogo{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:12px}

/* хаб кейсов */
.klist{display:flex;flex-direction:column;border-top:1px solid var(--line-2)}
.krow{display:grid;grid-template-columns:290px 1fr 250px;gap:42px;padding:36px 0;border-bottom:1px solid var(--line-2);text-decoration:none;transition:.2s;align-items:start}
.krow:hover{background:var(--paper-2)}
.krow .ktag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:12px}
.krow h3{font-family:var(--disp);font-weight:700;font-size:25px;letter-spacing:-.025em;margin-bottom:16px}
.krow .kf{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.krow .kf span{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:9px}
.krow .kf p{font-size:15.5px;color:var(--ink-2)}
.krow .kres b{font-family:var(--disp);font-weight:800;font-size:26px;color:var(--accent);display:block;letter-spacing:-.025em;line-height:1.1}
.krow .kres span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-top:9px;line-height:1.6}
.krow .kgo{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-top:16px;display:block}

/* маркер «данные уточняются» */
.ph{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);border:1px dashed var(--accent);padding:3px 8px;display:inline-block;white-space:nowrap}
.ph-b{display:block;margin-top:13px}
.ph-b .ph{white-space:normal;line-height:1.7}

/* ссылка на кейс из списка на главной */
.cr-more{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);text-decoration:none;display:inline-block;margin-top:22px;border-bottom:1px solid var(--accent);padding-bottom:3px;transition:.16s}
.cr-more:hover{color:var(--accent)}
.sec-foot{margin-top:44px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* служебная плашка для черновика страницы */
.draftbar{background:repeating-linear-gradient(45deg,rgba(217,59,22,.09),rgba(217,59,22,.09) 12px,transparent 12px,transparent 24px);border-bottom:1px solid var(--accent)}
.draftbar .wrap{display:flex;align-items:center;gap:14px;min-height:38px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);flex-wrap:wrap}
.draftbar b{color:var(--ink)}

/* ============ PRODUCT PAGES ============ */
.case-hero--dark{padding:56px 0 62px;background:var(--graphite);color:#EDEADF}
.case-hero--dark .crumbs a{color:#9A978A}
.case-hero--dark .crumbs i{color:rgba(255,255,255,.22)}
.case-hero--dark .crumbs .cur{color:#CFCBB8}
.case-hero--dark .ctag{color:var(--accent)}
.case-hero--dark .lead{color:#C9C5B6}
.case-hero--dark .case-meta{border-top-color:rgba(255,255,255,.14);border-left-color:rgba(255,255,255,.14)}
.case-hero--dark .case-meta>div{border-right-color:rgba(255,255,255,.14);border-bottom-color:rgba(255,255,255,.14)}
.case-hero--dark .case-meta .mk{color:#8A8779}
.case-hero--dark .case-meta .mv{color:#EDEADF}
.case-hero--dark .case-meta .mv--acc{color:var(--accent)}
.note{font-size:14.5px;color:var(--muted);max-width:74ch;line-height:1.65;margin-top:22px;border-left:2px solid var(--line-2);padding-left:16px}
.note b{color:var(--ink-2);font-weight:600}

/* ============ CASE PAGES — АДАПТИВ ============ */
@media(max-width:1020px){
  .krow{grid-template-columns:240px 1fr;gap:34px}
  .krow .kres{grid-column:2;margin-top:22px}
  .krow .kgo{margin-top:12px}
}
@media(max-width:900px){
  .case-meta{grid-template-columns:1fr 1fr}
  .ctx{grid-template-columns:1fr}
  .rnums{grid-template-columns:1fr}
  .sol{grid-template-columns:44px 1fr;gap:18px;padding:26px 0}
  .sol p{grid-column:2}
  .others{grid-template-columns:1fr}
  .krow{grid-template-columns:1fr;gap:18px}
  .krow .kres{grid-column:auto;margin-top:0}
  .ba-hd{display:none}
  .ba-row{grid-template-columns:1fr;gap:8px;align-items:start;padding:22px 0}
  .ba-row .ba-ar{text-align:left}
  .case-hero{padding:34px 0 0}
}
@media(max-width:600px){
  .case-meta{grid-template-columns:1fr}
  .krow .kf{grid-template-columns:1fr;gap:20px}
  .quote{padding-left:20px}
}