/* ============================================================
   PF-MONSTR — editorial cream landing
   ============================================================ */

:root{
  --cream:     #f3ebd7;
  --cream-2:   #ede4cb;
  --paper:     #faf6ea;
  --ink:       #1a1915;
  --ink-2:     #3d3a33;
  --muted:     #8b8170;
  --rule:      #d4c9ae;
  --rule-soft: #e2d9be;
  --accent:    #c03e1f;
  --acc-dim:   #8a2d15;
  --acc-bg:    #f5e6d0;
  --hl:        #f5d674;
  --good:      #3d7a4c;
  --bad:       #b94a2e;

  --serif:  "Fraunces", Georgia, "Times New Roman", serif;
  --sans:   "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono:   "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  --maxw: 1180px;
  --gutter: 40px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
html{overflow-x:clip}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  font-size:17px;
  line-height:1.55;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}

/* noise */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:200;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/></svg>");
  opacity:.045;mix-blend-mode:multiply;
}

a{color:inherit;text-decoration:none}
a.lnk{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color .15s}
a.lnk:hover{color:var(--acc-dim);text-decoration-thickness:2px}

.c{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);position:relative}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em}
.mono{font-family:var(--mono);font-feature-settings:"ss01","cv11"}
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.drop::first-letter{
  font-family:var(--serif);font-weight:600;
  float:left;font-size:4.2em;line-height:.82;
  margin:.08em .09em -.08em 0;color:var(--ink);
}

h1,h2,h3{font-family:var(--serif);font-weight:500;color:var(--ink);letter-spacing:-.025em;line-height:1.05}
h1{font-size:clamp(2.4rem, 5.6vw, 5.1rem);font-weight:500;letter-spacing:-.035em;line-height:1.02}
h1 em{font-style:italic;color:var(--accent);font-weight:500}
h2{font-size:clamp(1.9rem, 3.8vw, 3.2rem);font-weight:500;letter-spacing:-.028em;line-height:1.05}
h3{font-size:clamp(1.3rem, 2vw, 1.7rem);font-weight:500}
h4{font-family:var(--sans);font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;font-weight:600;color:var(--muted)}

p.lead{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(1.2rem,1.8vw,1.55rem);
  line-height:1.45;color:var(--ink-2);letter-spacing:-.015em;
}
p.body{max-width:60ch;color:var(--ink-2);margin-bottom:1.1em}
p.body + p.body{margin-top:0}

.hl{background:linear-gradient(180deg, transparent 58%, var(--hl) 58%, var(--hl) 92%, transparent 92%);padding:0 .04em}

/* ============================================================
   HEADER
   ============================================================ */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--cream) 86%, transparent);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);
}
.site-header .c{display:flex;align-items:center;justify-content:space-between;min-height:52px}
.logo{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--ink)}
.logo b{color:var(--accent)}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink-2);transition:color .15s}
.nav a:hover{color:var(--accent)}
.nav .stamp{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;padding-left:24px;border-left:1px solid var(--rule)}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:100px 0 80px;position:relative}
.hero .grid{display:grid;grid-template-columns:3.2fr 1fr;gap:60px;align-items:end}
.hero .eyebrow{margin-bottom:28px;display:block}
.hero h1{margin-bottom:36px;max-width:17ch}
.hero .lede{max-width:54ch}
.hero .side{
  border-top:1px solid var(--ink);padding-top:14px;
  font-family:var(--mono);font-size:11px;color:var(--muted);
  line-height:1.6;letter-spacing:.02em;
}
.hero .side .big{font-family:var(--serif);font-weight:400;font-size:3.8rem;color:var(--ink);line-height:.9;letter-spacing:-.04em;display:block;margin-bottom:8px}
.hero .side .big sup{font-size:.38em;vertical-align:super;margin-right:2px;color:var(--accent);font-weight:500}
.hero .cta-row{display:flex;gap:32px;align-items:baseline;margin-top:52px;padding-top:28px;border-top:1px solid var(--rule)}
.hero .cta-row a.btn{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  color:var(--ink);padding:14px 28px;background:var(--ink);color:var(--cream);
  transition:all .2s;border:1px solid var(--ink);
}
.hero .cta-row a.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.hero .cta-row small{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em}

.kpi-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:72px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);
}
.kpi{
  padding:22px 20px 20px 0;border-right:1px solid var(--rule);
  display:flex;flex-direction:column;justify-content:space-between;min-height:120px;
}
.kpi:last-child{border-right:none}
.kpi .num{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,3.6vw,3rem);line-height:.9;letter-spacing:-.035em;color:var(--ink);font-feature-settings:"tnum"}
.kpi .num em{font-style:normal;color:var(--accent)}
.kpi .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:14px;line-height:1.4}

/* ============================================================
   CHAPTER SHELL
   ============================================================ */
section.ch{padding:110px 0 100px;position:relative}
section.ch.alt{background:var(--cream-2)}
section.ch > .c > header.ch-head{
  display:grid;grid-template-columns:120px 1fr;gap:48px;
  align-items:start;padding-bottom:48px;border-bottom:1px solid var(--ink);
  margin-bottom:56px;
}
.ch-head .num{font-family:var(--serif);font-weight:300;font-size:5.4rem;line-height:.8;color:var(--accent);letter-spacing:-.04em}
.ch-head .num::before{content:"№ ";font-size:.32em;color:var(--muted);vertical-align:top;font-family:var(--mono);font-weight:400;letter-spacing:.1em;margin-right:6px}
.ch-head h2{margin-bottom:16px;max-width:20ch}
.ch-head p{font-family:var(--serif);font-weight:300;font-size:1.22rem;line-height:1.5;max-width:58ch;color:var(--ink-2)}

/* article body grid: content + margin */
.article{display:grid;grid-template-columns:1fr 2.4fr 0.8fr;gap:48px;margin-top:40px}
.article .gutter-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:6px;line-height:1.8}
.article .gutter-l b{color:var(--ink);font-weight:600;display:block;margin-bottom:4px}
.article .gutter-r{font-family:var(--mono);font-size:11px;color:var(--muted);line-height:1.7;padding-top:6px}
.article .gutter-r .pull{font-family:var(--serif);font-weight:300;font-size:1.25rem;color:var(--ink);line-height:1.35;margin-bottom:16px;font-style:italic}
.article .content p{max-width:56ch;font-size:17px;line-height:1.7;color:var(--ink-2);margin-bottom:1.1em}
.article .content h3{margin:48px 0 14px}
.article .content h4{margin:28px 0 10px}
.article .content .rule{border:none;border-top:1px solid var(--rule);margin:36px 0}

/* ============================================================
   SCROLLYTELLING — mechanism
   ============================================================ */
.scrolly-mech{height:360vh;position:relative;margin:48px 0 60px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.scrolly-mech .stage{position:sticky;top:0;height:100vh;display:flex;align-items:center;justify-content:center;background:var(--cream)}
.mech-canvas{width:100%;max-width:900px;position:relative;padding:40px;height:70vh;max-height:560px}
.mech-canvas .step-label{position:absolute;top:20px;left:40px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.mech-canvas .step-label b{color:var(--accent);font-weight:600}
.mech-steps{position:absolute;top:20px;right:40px;display:flex;gap:6px}
.mech-steps span{width:28px;height:2px;background:var(--rule);transition:background .3s}
.mech-steps span.on{background:var(--accent)}
.mech-body{position:absolute;inset:80px 40px 40px;display:flex;align-items:center;justify-content:center}

/* Mechanism visual SVG */
.mech-svg{width:100%;height:auto;max-height:100%}
.mech-svg .node{stroke:var(--ink);stroke-width:1.3;fill:var(--paper)}
.mech-svg .node-text{font-family:var(--mono);font-size:12px;fill:var(--ink)}
.mech-svg .arrow{stroke:var(--ink);stroke-width:1.2;fill:none;marker-end:url(#mech-arr)}
.mech-svg .yandex{fill:var(--bad)}
.mech-svg .hit{fill:var(--good)}

/* ============================================================
   CASES TABLE
   ============================================================ */
table.case-index{
  width:100%;border-collapse:collapse;font-family:var(--sans);
  margin:56px 0 40px;font-variant-numeric:tabular-nums;
}
table.case-index thead th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  font-weight:600;color:var(--muted);padding:12px 14px 12px 0;border-bottom:1px solid var(--ink);
}
table.case-index thead th.r{text-align:right}
table.case-index tbody td{
  padding:18px 14px 18px 0;border-bottom:1px solid var(--rule-soft);
  font-size:15.5px;color:var(--ink);vertical-align:top;
}
table.case-index tbody td.niche{font-family:var(--serif);font-weight:500;font-size:18px;letter-spacing:-.01em}
table.case-index tbody td.r{text-align:right;font-family:var(--mono);font-size:14px}
table.case-index tbody td.delta{font-family:var(--mono);font-weight:600;color:var(--good);font-size:14.5px}
table.case-index tbody td .city{font-family:var(--mono);font-size:13px;color:var(--muted)}
table.case-index tbody tr:hover td{background:rgba(245,214,116,.12)}

.case-note{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.02em;margin:-20px 0 40px;line-height:1.65}
.case-note a{color:var(--accent);text-decoration:underline}

/* ============================================================
   CASE DEEP-DIVE
   ============================================================ */
.case-deep{margin:72px 0 0;padding-top:40px;border-top:2px solid var(--ink)}
.case-deep header{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:32px;align-items:end}
.case-deep header .meta{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em;line-height:1.8}
.case-deep header .meta b{color:var(--ink);font-weight:600;display:inline-block;min-width:110px}
.case-deep h3{font-size:clamp(1.8rem,2.6vw,2.4rem);margin-bottom:10px;letter-spacing:-.025em}
.case-deep h3 span{color:var(--accent);font-style:italic}
.case-deep .case-subtitle{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.case-deep .context{font-family:var(--serif);font-weight:300;font-size:1.25rem;line-height:1.45;color:var(--ink-2);max-width:48ch;margin-bottom:8px}

table.kw{
  width:100%;border-collapse:collapse;margin:28px 0 0;
  font-family:var(--sans);font-size:14.5px;font-variant-numeric:tabular-nums;
}
table.kw thead th{
  text-align:left;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--muted);
  padding:10px 12px 10px 0;border-bottom:1px solid var(--ink);
}
table.kw thead th.r{text-align:right}
table.kw tbody td{padding:11px 12px 11px 0;border-bottom:1px dotted var(--rule);color:var(--ink-2)}
table.kw tbody td.kw-q{font-family:var(--sans);font-weight:400;color:var(--ink)}
table.kw tbody td.was{font-family:var(--mono);text-align:right;color:var(--muted);width:60px}
table.kw tbody td.now{font-family:var(--mono);text-align:right;color:var(--ink);font-weight:600;width:60px}
table.kw tbody td.delta{font-family:var(--mono);text-align:right;width:70px;color:var(--good);font-weight:600}
table.kw tbody td.delta.big{background:color-mix(in srgb, var(--good) 12%, transparent);padding-right:12px;padding-left:8px}

/* bar visualization */
.bar-row{display:grid;grid-template-columns:1fr 40px 40px;align-items:center;gap:16px;padding:8px 0;border-bottom:1px dotted var(--rule)}
.bar-row .barq{font-size:14.5px;color:var(--ink)}
.bar-row .bar{height:10px;background:var(--rule-soft);position:relative;grid-column:1 / -1;margin-top:4px}
.bar-row .bar b{position:absolute;left:0;top:0;bottom:0;background:var(--accent);transition:width .8s cubic-bezier(.2,.7,.3,1)}

/* ============================================================
   SCROLLYTELLING — anatomy (bars rising)
   ============================================================ */
.scrolly-anat{height:380vh;position:relative;margin-top:40px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.scrolly-anat .stage{position:sticky;top:0;height:100vh;display:grid;grid-template-columns:1fr 1.6fr;gap:40px;padding:60px 40px;background:var(--cream-2)}
.anat-left{display:flex;flex-direction:column;justify-content:space-between}
.anat-left .eyebrow{margin-bottom:12px}
.anat-left h3{font-size:2.2rem;line-height:1.02;margin-bottom:16px;max-width:14ch}
.anat-left .caption{font-family:var(--serif);font-weight:300;font-size:1.15rem;line-height:1.4;color:var(--ink-2);max-width:36ch}
.anat-left .day-stamp{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-top:auto;padding-top:24px;border-top:1px solid var(--ink);display:flex;justify-content:space-between}
.anat-left .day-stamp .d{color:var(--ink);font-weight:600}
.anat-right{display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.anat-chart{font-family:var(--mono);font-size:11.5px;line-height:1.7}
.anat-chart .row{display:grid;grid-template-columns:200px 1fr 36px;align-items:center;gap:8px;padding:5px 0}
.anat-chart .row .k{color:var(--ink);font-family:var(--sans);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.anat-chart .row .track{height:14px;background:var(--rule-soft);position:relative;border:1px solid var(--rule)}
.anat-chart .row .fill{position:absolute;top:-1px;bottom:-1px;left:-1px;background:var(--ink);transition:width 1s cubic-bezier(.2,.7,.3,1)}
.anat-chart .row.top1 .fill{background:var(--accent)}
.anat-chart .row .v{text-align:right;color:var(--ink);font-weight:600}
.anat-chart .row .v.top{color:var(--accent)}

/* ============================================================
   GEOGRAPHY
   ============================================================ */
.geo-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;margin-top:40px;align-items:start}
table.geo{
  width:100%;border-collapse:collapse;font-family:var(--sans);
  font-variant-numeric:tabular-nums;font-size:15px;
}
table.geo thead th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600;color:var(--muted);
  padding:8px 12px 8px 0;border-bottom:1px solid var(--ink);
}
table.geo thead th.r{text-align:right}
table.geo tbody td{padding:9px 12px 9px 0;border-bottom:1px dotted var(--rule);color:var(--ink)}
table.geo tbody td.r{text-align:right;font-family:var(--mono);font-size:13.5px;color:var(--ink-2)}
table.geo tbody td.rank{font-family:var(--mono);color:var(--muted);width:30px;font-size:12px}
table.geo tbody td .bar{display:inline-block;height:5px;background:var(--accent);opacity:.5;margin-left:8px;vertical-align:middle;border-radius:1px}

.geo-cities{columns:4;column-gap:24px;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);line-height:2;column-rule:1px dotted var(--rule)}
.geo-cities span{display:block;break-inside:avoid}

/* ============================================================
   FIGURES (screenshots)
   ============================================================ */
figure.screen{margin:40px 0;position:relative}
figure.screen img{
  width:100%;height:auto;display:block;
  border:1px solid var(--rule);
  box-shadow:0 24px 40px -28px rgba(0,0,0,.3), 0 8px 16px -12px rgba(0,0,0,.15);
}
figure.screen figcaption{
  font-family:var(--mono);font-size:11px;color:var(--muted);
  letter-spacing:.04em;margin-top:14px;display:flex;gap:14px;align-items:baseline;
}
figure.screen figcaption .fignum{color:var(--accent);font-weight:600}
figure.screen figcaption em{font-style:normal;color:var(--ink-2)}

/* Phone screenshot — editorial insert */
figure.phone{
  display:grid;grid-template-columns:290px 1fr;gap:48px;align-items:start;margin:56px 0;
}
figure.phone img{
  width:100%;border-radius:32px;border:1px solid var(--rule);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.4);
}
figure.phone .phone-copy{padding-top:40px}
figure.phone .phone-copy h4{margin-bottom:10px}
figure.phone .phone-copy h3{margin-bottom:16px}
figure.phone .phone-copy p{color:var(--ink-2);line-height:1.7;max-width:40ch;margin-bottom:1em}
figure.phone .phone-copy ul{list-style:none;margin:16px 0;padding:0}
figure.phone .phone-copy li{padding:6px 0 6px 18px;position:relative;color:var(--ink-2);font-size:15px}
figure.phone .phone-copy li::before{content:"→";position:absolute;left:0;color:var(--accent);font-family:var(--mono)}

/* Platform feature grid */
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin:48px 0 0;border-top:1px solid var(--ink)}
.feature-list .f{padding:28px 24px 28px 0;border-bottom:1px solid var(--rule);border-right:1px solid var(--rule)}
.feature-list .f:nth-child(2n){border-right:none;padding-left:24px}
.feature-list .f:nth-last-child(-n+2){border-bottom:none}
.feature-list .f .n{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.1em;font-weight:600}
.feature-list .f h4{font-family:var(--serif);font-weight:500;font-size:1.25rem;color:var(--ink);text-transform:none;letter-spacing:-.01em;margin:8px 0 10px;line-height:1.2}
.feature-list .f p{color:var(--ink-2);font-size:14.5px;line-height:1.6;max-width:46ch}

/* ============================================================
   PRICING TABLE
   ============================================================ */
table.price{
  width:100%;border-collapse:collapse;font-family:var(--sans);
  font-variant-numeric:tabular-nums;margin-top:40px;
}
table.price thead th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600;color:var(--muted);
  padding:14px 16px 14px 0;border-bottom:1px solid var(--ink);
}
table.price thead th.r{text-align:right}
table.price tbody td{padding:18px 16px 18px 0;border-bottom:1px solid var(--rule);font-size:16px}
table.price tbody td.qty{font-family:var(--serif);font-weight:400;font-size:20px;color:var(--ink);letter-spacing:-.01em}
table.price tbody td.price{font-family:var(--mono);font-size:15px;color:var(--ink)}
table.price tbody td.price em{font-style:normal;color:var(--accent);font-weight:600;font-size:17px}
table.price tbody td.r{text-align:right;font-family:var(--mono);font-size:14px;color:var(--ink-2)}
table.price tbody tr.hl td{background:rgba(245,214,116,.22)}

.pay-methods{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:40px;
  padding:24px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);
}
.pay-methods .p{padding:0 24px;border-right:1px solid var(--rule)}
.pay-methods .p:last-child{border-right:none}
.pay-methods .p h4{margin-bottom:6px;color:var(--ink)}
.pay-methods .p p{font-size:13.5px;color:var(--ink-2);line-height:1.5}

/* ============================================================
   FAQ
   ============================================================ */
dl.faq{border-top:1px solid var(--ink);margin-top:40px}
dl.faq > div{border-bottom:1px solid var(--rule);padding:0}
dl.faq dt{
  padding:22px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;
  font-family:var(--serif);font-weight:500;font-size:1.2rem;letter-spacing:-.015em;color:var(--ink);
  transition:color .15s;
}
dl.faq dt:hover{color:var(--accent)}
dl.faq dt::after{
  content:"+";font-family:var(--mono);font-size:18px;color:var(--accent);font-weight:400;
  transition:transform .25s;flex-shrink:0;line-height:1;
}
dl.faq > div.open dt::after{transform:rotate(45deg)}
dl.faq dd{
  max-height:0;overflow:hidden;transition:max-height .35s ease, padding .35s ease;
  font-size:16px;color:var(--ink-2);line-height:1.65;max-width:62ch;
}
dl.faq > div.open dd{max-height:800px;padding:0 0 24px}

/* ============================================================
   FOOTNOTES / COMPARISON
   ============================================================ */
.cmp{width:100%;border-collapse:collapse;margin:40px 0 0;font-family:var(--sans);font-size:15px}
.cmp th,.cmp td{padding:14px 16px 14px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.cmp thead th{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600;border-bottom:1px solid var(--ink)}
.cmp thead th.vs{color:var(--accent)}
.cmp tbody td.label{font-family:var(--mono);font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600;width:26%}
.cmp tbody td.a{color:var(--ink-2)}
.cmp tbody td.b{color:var(--ink);font-weight:500}

/* ============================================================
   FOOTER
   ============================================================ */
footer.site-foot{
  background:var(--ink);color:var(--cream);padding:72px 0 40px;
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;
}
footer.site-foot h4{color:var(--cream);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px;opacity:.5}
footer.site-foot .grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px;padding-bottom:40px;border-bottom:1px solid #3a3830}
footer.site-foot p{color:#d4c9ae;line-height:1.6;max-width:40ch}
footer.site-foot p.big{font-family:var(--serif);font-weight:300;font-size:1.45rem;line-height:1.35;color:var(--cream);letter-spacing:-.01em;max-width:22ch;margin-bottom:24px}
footer.site-foot ul{list-style:none;padding:0}
footer.site-foot li{padding:4px 0}
footer.site-foot a{color:#d4c9ae;transition:color .15s}
footer.site-foot a:hover{color:var(--cream)}
footer.site-foot .bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;color:#8a7e6a;font-size:11px}
footer.site-foot .bottom span{color:#d4c9ae}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s cubic-bezier(.2,.7,.3,1),transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ----- tablet landscape (≤ 1100px) ----- */
@media (max-width:1100px){
  :root{--gutter:28px}
  .article{grid-template-columns:1fr 2.1fr;gap:32px}
  .article .gutter-r{display:none}
  .hero .grid{gap:40px}
  .hero h1{font-size:clamp(2.2rem, 5.2vw, 4.2rem)}
  .hero .side .big{font-size:3rem}
  .feature-list{gap:0}
  figure.phone{gap:32px;grid-template-columns:240px 1fr}
  .geo-grid{gap:40px}
  .mech-canvas{padding:28px}
  .mech-canvas .step-label,.mech-steps{top:14px}
  .mech-body{inset:68px 28px 28px}
}

/* ----- tablet portrait / large phone (≤ 820px) ----- */
@media (max-width:820px){
  :root{--gutter:18px}
  html{font-size:15.5px}
  body{line-height:1.5}

  /* header */
  .nav{display:none}
  .site-header .c{justify-content:space-between;min-height:48px}
  .logo{font-size:11.5px}

  /* hero */
  .hero{padding:48px 0 48px}
  .hero .grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:clamp(1.9rem, 8.6vw, 2.8rem);letter-spacing:-.03em;margin-bottom:24px}
  .hero .lead{font-size:clamp(1.05rem, 3.8vw, 1.2rem)}
  .hero .side{order:-1;max-width:none;padding-top:10px}
  .hero .side .big{font-size:2.4rem}
  .hero .cta-row{flex-direction:column;gap:14px;align-items:flex-start;margin-top:32px;padding-top:20px}
  .hero .cta-row a.btn{width:100%;text-align:center;padding:16px}
  .hero .cta-row small{font-size:11px;line-height:1.5}

  /* kpi */
  .kpi-strip{grid-template-columns:repeat(2,1fr);margin-top:44px}
  .kpi{padding:16px 12px 14px 0;min-height:94px}
  .kpi .num{font-size:1.6rem}
  .kpi .lbl{font-size:9.5px;margin-top:10px}
  .kpi:nth-child(1),.kpi:nth-child(3){border-right:1px solid var(--rule)}
  .kpi:nth-child(2),.kpi:nth-child(4){border-right:none}
  .kpi:nth-child(-n+2){border-bottom:1px solid var(--rule)}
  .kpi:nth-child(3),.kpi:nth-child(4){padding-top:16px}

  /* chapters */
  section.ch{padding:64px 0 56px}
  section.ch > .c > header.ch-head{grid-template-columns:1fr;gap:12px;padding-bottom:28px;margin-bottom:28px}
  .ch-head .num{font-size:2.8rem;line-height:.9}
  h2{font-size:clamp(1.6rem, 6vw, 2.2rem)}
  .ch-head p{font-size:1.02rem;line-height:1.5}

  /* article */
  .article{grid-template-columns:1fr;gap:20px;margin-top:28px}
  .article .gutter-l{padding:16px 18px;background:var(--paper);border-left:3px solid var(--accent);margin-bottom:4px}
  .article .gutter-l b{margin-bottom:6px}
  .article .gutter-r{display:block;padding:20px 18px;background:var(--paper);border-left:3px solid var(--ink);margin-top:12px}
  .article .gutter-r .pull{font-size:1.1rem;margin-bottom:12px}
  .article .content p{font-size:15.5px;line-height:1.7;max-width:none}
  .drop::first-letter{font-size:3.4em}

  /* scrollytelling — keep active on mobile, compact layout */
  .scrolly-mech{height:320vh}
  .scrolly-mech .stage{height:100vh;align-items:center;padding:0}
  .mech-canvas{padding:18px;height:88vh;max-height:none;max-width:100%;display:flex;flex-direction:column}
  .mech-canvas .step-label{position:static;margin-bottom:8px;display:block;font-size:10px}
  .mech-steps{position:static;margin-bottom:12px;display:flex;gap:4px;justify-content:flex-start}
  .mech-steps span{flex:1;max-width:60px}
  .mech-body{position:static;inset:auto;flex:1;display:flex;align-items:center;justify-content:center;padding:0}
  .mech-svg{max-width:100%;height:auto;width:100%}

  .scrolly-anat{height:380vh}
  .scrolly-anat .stage{grid-template-columns:1fr;height:100vh;position:sticky;padding:18px 14px;gap:12px;align-content:space-between}
  .anat-left{gap:10px}
  .anat-left h3{font-size:1.25rem;line-height:1.1;margin-bottom:8px}
  .anat-left .eyebrow{font-size:9.5px}
  .anat-left .caption{font-size:.92rem;line-height:1.35}
  .anat-left .day-stamp{flex-wrap:wrap;gap:8px;padding-top:10px;font-size:9.5px}
  .anat-right{flex:1;min-height:0;overflow:hidden}
  .anat-chart{font-size:10px}
  .anat-chart .row{grid-template-columns:1fr 38px 24px;gap:8px;padding:2px 0}
  .anat-chart .row .k{font-size:10.5px}
  .anat-chart .row .track{height:8px}
  .anat-chart .row .v{font-size:10px}

  /* case index → card layout */
  table.case-index, table.case-index thead, table.case-index tbody, table.case-index tr, table.case-index td, table.case-index th{display:block}
  table.case-index thead{position:absolute;left:-9999px;top:-9999px;overflow:hidden;height:0;width:0}
  table.case-index{margin:32px 0 20px;border-top:1px solid var(--ink)}
  table.case-index tbody tr{padding:18px 0 20px;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:baseline}
  table.case-index tbody tr:hover td{background:transparent}
  table.case-index tbody td{padding:0;border:none;display:block;font-size:13px}
  table.case-index tbody td.niche{grid-column:1/-1;font-size:1.25rem;margin-bottom:8px;color:var(--ink);line-height:1.2}
  table.case-index tbody td.niche .city{display:inline;margin-left:8px;font-size:12px}
  table.case-index tbody td::before{content:attr(data-l);display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:8px;font-weight:500}
  table.case-index tbody td.r{text-align:left}
  table.case-index tbody td.delta{font-size:14px;color:var(--good)}

  /* case deep-dive */
  .case-deep{margin:48px 0 0;padding-top:28px}
  .case-deep header{grid-template-columns:1fr;gap:14px;margin-bottom:20px}
  .case-deep h3{font-size:1.5rem;margin-bottom:8px}
  .case-deep .context{font-size:1.02rem;margin-bottom:4px}
  .case-deep .meta{font-size:10.5px;padding:14px 16px;background:var(--paper);border-left:3px solid var(--accent)}
  .case-deep .meta b{min-width:100px;font-size:10px}

  /* kw table — compact */
  table.kw{font-size:12.5px;margin-top:20px}
  table.kw thead th{font-size:9px;padding:8px 6px 8px 0}
  table.kw tbody td{padding:9px 6px 9px 0;font-size:12.5px}
  table.kw tbody td.kw-q{font-size:13px;line-height:1.3}
  table.kw tbody td.was,table.kw tbody td.now,table.kw tbody td.delta{width:auto;font-size:11.5px;white-space:nowrap}
  table.kw tbody td.delta{min-width:44px;padding-right:8px!important}
  table.kw tbody td.delta.big{padding-left:5px;padding-right:5px!important}

  /* geography */
  .geo-grid{grid-template-columns:1fr;gap:36px}
  .geo-cities{columns:2;font-size:11.5px;line-height:1.9}
  table.geo{font-size:13px}
  table.geo thead th,table.geo tbody td{padding:8px 8px 8px 0;font-size:12.5px}
  table.geo tbody td.rank{width:24px;font-size:10.5px}
  table.geo tbody td .bar{display:none}

  /* platform */
  .feature-list{grid-template-columns:1fr;margin-top:36px}
  .feature-list .f{border-right:none!important;padding:22px 0;border-bottom:1px solid var(--rule)}
  .feature-list .f:nth-child(2n){padding-left:0}
  .feature-list .f:last-child{border-bottom:none}
  .feature-list .f h4{font-size:1.1rem}
  .feature-list .f p{font-size:13.5px}

  figure.screen{margin:28px 0}
  figure.screen figcaption{font-size:10.5px;flex-direction:column;gap:4px;margin-top:10px}

  figure.phone{grid-template-columns:1fr;gap:24px;margin:36px 0}
  figure.phone img{max-width:220px;margin:0 auto;display:block;border-radius:26px}
  figure.phone .phone-copy{padding-top:0;text-align:left}
  figure.phone .phone-copy h3{font-size:1.4rem}

  /* pricing */
  table.price{font-size:14px;margin-top:28px}
  table.price thead th{padding:10px 8px 10px 0;font-size:9.5px}
  table.price thead th:nth-child(5){display:none}
  table.price tbody td{padding:14px 8px 14px 0;font-size:13.5px}
  table.price tbody td.qty{font-size:15.5px;line-height:1.25}
  table.price tbody td.price em{font-size:15px}
  table.price tbody td:nth-child(5){display:none}

  .pay-methods{grid-template-columns:1fr;gap:0;padding:16px 0}
  .pay-methods .p{padding:18px 0;border-right:none;border-bottom:1px solid var(--rule)}
  .pay-methods .p:last-child{border-bottom:none;padding-bottom:0}
  .pay-methods .p:first-child{padding-top:0}

  /* comparison */
  table.cmp thead{display:none}
  table.cmp tr{display:grid;grid-template-columns:1fr;gap:4px;padding:14px 0;border-bottom:1px solid var(--rule)}
  table.cmp td{border:none;padding:0}
  table.cmp td.label{font-size:10px;margin-bottom:6px;padding-top:0;width:auto}
  table.cmp td.a{font-size:13px}
  table.cmp td.a::before{content:"SEO: ";font-family:var(--mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-right:4px}
  table.cmp td.b{font-size:14px;color:var(--accent);font-weight:500}
  table.cmp td.b::before{content:"ПФ: ";font-family:var(--mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-right:4px}

  /* FAQ */
  dl.faq dt{font-size:1.02rem;padding:18px 0;gap:14px}
  dl.faq dt::after{font-size:16px}
  dl.faq > div.open dd{padding:0 0 18px}
  dl.faq dd{font-size:14.5px}

  /* footer */
  footer.site-foot{padding:48px 0 28px}
  footer.site-foot .grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;margin-bottom:28px}
  footer.site-foot p.big{font-size:1.2rem;max-width:none}
  footer.site-foot .bottom{flex-direction:column;gap:8px;align-items:flex-start;font-size:10.5px}

  /* screenshots — softer shadow on mobile */
  figure.screen img{box-shadow:0 12px 28px -20px rgba(0,0,0,.35)}
}

/* ----- small phone (≤ 480px) ----- */
@media (max-width:480px){
  :root{--gutter:14px}
  html{font-size:15px}
  .hero{padding:36px 0 40px}
  .hero h1{font-size:1.85rem;line-height:1.05}
  .hero .eyebrow{margin-bottom:16px;font-size:10px}
  .kpi-strip{margin-top:32px}
  .kpi{padding:12px 8px 12px 0;min-height:80px}
  .kpi .num{font-size:1.4rem}
  .kpi .lbl{font-size:9px;margin-top:8px;letter-spacing:.06em}

  section.ch{padding:48px 0 40px}
  .ch-head .num{font-size:2.4rem}
  h2{font-size:1.5rem}
  .ch-head p{font-size:.96rem}

  .geo-cities{columns:2;font-size:10.5px;line-height:1.8;gap:12px}
  .case-deep h3{font-size:1.3rem}
  .case-deep h3 span{display:block;margin-top:4px}
  table.kw tbody td.kw-q{font-size:12px}
  table.kw{font-size:11.5px}
  dl.faq dt{font-size:.98rem}

  /* stack pricing to two columns on very small */
  table.price thead th:nth-child(4){font-size:9px}
  table.price tbody td.r{font-size:12.5px}

  figure.phone img{max-width:180px;border-radius:22px}

  /* mechanism SVG — push to stack visually */
  .mech-svg{min-height:480px}

  /* tighter chapter number */
  .ch-head .num::before{font-size:.28em;margin-right:3px}
}

/* ----- tiny (≤ 360px) ----- */
@media (max-width:360px){
  html{font-size:14.5px}
  .hero h1{font-size:1.7rem}
  .kpi-strip{grid-template-columns:1fr}
  .kpi{border-right:none!important;border-bottom:1px solid var(--rule)!important;padding:14px 0;min-height:auto}
  .kpi:last-child{border-bottom:none!important}
  .geo-cities{columns:1}
}

/* ----- reduced motion ----- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .scrolly-mech,.scrolly-anat{height:auto}
  .scrolly-mech .stage,.scrolly-anat .stage{position:relative;height:auto}
  .mech-svg [data-step]{opacity:1!important}
}