/* ============================================================
   Case study one-pager: storefront synced with a marketplace
   Shared stylesheet for index-en.html / index-ru.html

   Палитра взята у самого продукта — направление «цех и лист»:
   лист #ffffff, полотно #f2f0eb, краска #14161a,
   печатный синий #1b4d8f единственным акцентом, уценка #b5341f.
   Нулевые радиусы, моноширинный набор для данных.
   ============================================================ */

:root{
  --paper:#ffffff;
  --canvas:#f2f0eb;
  --canvas-2:#e7e4dd;
  --ink:#14161a;
  --ink-700:#2a2d33;
  --muted:#6c7178;
  --dim:#8a8f96;
  --line:#dcd9d2;
  --line-2:#c9c5bb;
  --blue:#1b4d8f;
  --blue-700:#143a6c;
  --blue-wash:#eaf0f8;
  --brick:#b5341f;
  --brick-wash:#fdf0ed;
  --green:#2f6f4f;
  --green-wash:#eaf3ee;
  --amber:#a3701a;
  --amber-wash:#faf1de;
  --font:"Montserrat","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,"SF Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.62;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--blue)}
a:hover{color:var(--blue-700)}

::selection{background:var(--blue);color:#fff}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

h1,h2,h3,h4{line-height:1.16;margin:0 0 .5em;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.22rem}
h4{font-size:1rem}
p{margin:0 0 1em}
b,strong{font-weight:700}

.lead{font-size:1.09rem;color:var(--muted);max-width:52em}
.lead b{color:var(--ink)}
.small{font-size:.86rem;color:var(--dim)}

/* Данные — моноширинным: артикул, размер, плотность, имя принта.
   Тот же приём, что и в самом продукте. */
.code{font-family:var(--mono);font-size:.88em;background:var(--canvas);padding:2px 7px;color:var(--blue-700)}
.num{font-variant-numeric:tabular-nums}

/* ---------- top nav ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:18px;height:58px;max-width:1120px;margin:0 auto;padding:0 24px}
.brandmark{
  display:flex;align-items:center;gap:11px;
  font-weight:700;font-size:.86rem;letter-spacing:.16em;text-transform:uppercase;
  white-space:nowrap;color:var(--ink);text-decoration:none;
}
.brandmark:hover{color:var(--blue)}
.brandmark .dot{
  width:22px;height:22px;flex:0 0 auto;background:var(--ink);position:relative;
}
.brandmark .dot::after{
  content:"";position:absolute;left:4px;right:4px;bottom:5px;height:3px;background:var(--blue);
}
.topnav{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none}
.topnav::-webkit-scrollbar{display:none}
.topnav a{
  font-size:.82rem;font-weight:600;color:var(--muted);text-decoration:none;
  padding:6px 11px;white-space:nowrap;
}
.topnav a:hover{color:var(--ink);background:var(--canvas)}
.lang-switch{display:flex;align-items:center;flex:0 0 auto;border:1px solid var(--line-2)}
.lang-switch a,.lang-switch span{
  font-family:var(--mono);font-size:.72rem;font-weight:600;padding:6px 12px;
  text-decoration:none;letter-spacing:.1em;
}
.lang-switch span{background:var(--blue);color:#fff}
.lang-switch a{color:var(--muted)}
.lang-switch a:hover{color:var(--ink);background:var(--canvas)}

/* ---------- hero ---------- */
.hero{background:var(--canvas);border-bottom:1px solid var(--line);padding:74px 0 140px}
.hero h1{font-size:clamp(2rem,4.4vw,3.15rem);max-width:19em;margin-bottom:.4em;font-weight:600;letter-spacing:-.032em}
.hero .rule{width:80px;height:2px;background:var(--blue);border:0;margin:0 0 26px}
.hero .sub{font-size:clamp(1rem,1.5vw,1.16rem);color:var(--muted);max-width:47em;line-height:1.66}
.hero .sub b{color:var(--ink)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags span{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--blue-700);
  border:1px solid var(--line-2);background:var(--paper);padding:6px 12px;
}

/* KPI strip overlapping hero bottom */
.kpi-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;margin-top:-80px;position:relative;z-index:2;background:var(--line)}
.kpi{background:var(--paper);padding:20px 18px 16px}
.kpi-num{font-size:1.62rem;font-weight:700;letter-spacing:-.02em;line-height:1.05;white-space:nowrap;font-variant-numeric:tabular-nums}
.kpi-num small{font-size:.86rem;font-weight:700;color:var(--blue)}
.kpi-cap{font-size:.78rem;color:var(--muted);margin-top:8px;line-height:1.42}
@media (max-width:980px){.kpi-strip{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.kpi-strip{grid-template-columns:repeat(2,1fr)}.kpi-num{font-size:1.34rem}}

/* ---------- sections ---------- */
section.block{padding:78px 0 10px}
.eyebrow{
  display:flex;align-items:center;gap:11px;
  font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--blue)}
.eyebrow .n{color:var(--dim);letter-spacing:.08em}

/* cards / grids */
.grid{display:grid;gap:1px;background:var(--line)}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--paper);padding:22px 22px 18px}
.card h4{margin-bottom:.5em}
.card h4 i{font-style:normal;font-family:var(--mono);font-size:.8em;color:var(--blue);margin-right:.55em}
.card p{font-size:.93rem;color:var(--muted);margin-bottom:0}
.card.accent{box-shadow:inset 0 3px 0 var(--blue)}
.card.pain{box-shadow:inset 0 3px 0 var(--brick)}
.card.good{box-shadow:inset 0 3px 0 var(--green)}

/* fact rows */
.facts{display:flex;flex-wrap:wrap;gap:1px;margin:24px 0 8px;background:var(--line);border:1px solid var(--line)}
.fact{background:var(--paper);padding:13px 18px;min-width:132px;flex:1}
.fact b{display:block;font-size:1.26rem;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.fact span{font-size:.75rem;color:var(--muted)}

/* callouts */
.callout{padding:20px 24px;margin:26px 0;background:var(--canvas);border-left:3px solid var(--line-2)}
.callout.warn{background:var(--amber-wash);border-left-color:var(--amber)}
.callout.bad{background:var(--brick-wash);border-left-color:var(--brick)}
.callout.good{background:var(--green-wash);border-left-color:var(--green)}
.callout.blue{background:var(--blue-wash);border-left-color:var(--blue)}
.callout h4{margin-bottom:.35em}
.callout p{margin-bottom:0;font-size:.95rem;color:var(--muted)}
.callout .tag{
  display:inline-block;font-family:var(--mono);font-size:.68rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:9px;
}
.callout.bad .tag{color:var(--brick)}
.callout.good .tag{color:var(--green)}
.callout.blue .tag{color:var(--blue)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.chips span{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;color:var(--ink);
  background:var(--canvas);border:1px solid var(--line);padding:6px 12px;
}
.chips.blue span{color:var(--blue-700);background:var(--blue-wash);border-color:#cfdcee}

/* numbered steps */
.steps{list-style:none;counter-reset:st;margin:20px 0;padding:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.steps li{
  counter-increment:st;background:var(--paper);
  padding:14px 18px 14px 58px;position:relative;font-size:.94rem;color:var(--muted);
}
.steps li b{color:var(--ink)}
.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:18px;top:14px;
  font-family:var(--mono);font-weight:600;font-size:.78rem;color:var(--blue);
  font-variant-numeric:tabular-nums;
}

/* ledger: сумма по строкам, как в расчёте цены */
.ledger{border:1px solid var(--line);margin:8px 0 4px}
.ln{display:flex;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line);align-items:baseline}
.ln:last-child{border-bottom:none}
.ln-sign{flex:0 0 20px;text-align:center;font-family:var(--mono);font-weight:700;font-size:1rem}
.ln-plus .ln-sign{color:var(--green)}
.ln-minus .ln-sign{color:var(--brick)}
.ln-res .ln-sign{color:var(--blue)}
.ln-body b{display:block;font-size:.95rem}
.ln-body span{font-size:.83rem;color:var(--muted);line-height:1.45}
.ln-plus{background:var(--green-wash)}
.ln-res{background:var(--blue-wash)}
.ln-res .ln-body b{color:var(--blue-700);font-size:1.02rem}

/* ---------- diagrams ---------- */
.diagram{border:1px solid var(--line);padding:18px;margin:26px 0;overflow-x:auto;background:var(--paper)}
.diagram svg{min-width:880px;width:100%;height:auto;display:block}
.diagram svg text{font-family:var(--font)}
.legend{
  display:flex;flex-wrap:wrap;gap:18px;margin:4px 4px 2px;padding-top:14px;
  border-top:1px dashed var(--line);font-size:.78rem;color:var(--muted);
}
.legend i{display:inline-block;width:13px;height:13px;margin-right:7px;vertical-align:-2px}
.legend .k-ext i{background:var(--canvas-2);border:1px solid var(--line-2)}
.legend .k-svc i{background:var(--paper);border:2px solid var(--blue)}
.legend .k-db i{background:var(--blue-wash);border:2px solid var(--blue-700)}
.legend .k-own i{background:var(--green-wash);border:2px solid var(--green)}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line)}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;min-width:640px;background:var(--paper)}
table.tbl th{
  text-align:left;font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);font-weight:600;padding:13px 18px 10px;border-bottom:2px solid var(--ink);
}
table.tbl td{padding:12px 18px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted);font-variant-numeric:tabular-nums}
table.tbl tr:last-child td{border-bottom:none}
table.tbl td.metric{font-weight:600;white-space:nowrap;color:var(--ink)}
table.tbl code{font-family:var(--mono);font-size:.84em;background:var(--canvas);padding:2px 6px;color:var(--blue-700)}
table.tbl.wasnow td:nth-child(2){color:var(--dim)}
table.tbl.wasnow td:nth-child(3){color:var(--ink)}
table.tbl.wasnow td:nth-child(3) b{color:var(--green)}

/* ---------- screenshots ---------- */
.shots{display:grid;gap:16px;grid-template-columns:1fr 1fr;margin:26px 0}
.shots.one{grid-template-columns:1fr}
@media (max-width:760px){.shots{grid-template-columns:1fr}}
.shot{margin:0;border:1px solid var(--line);background:var(--canvas)}
.shot img{width:100%;height:auto}
.shot figcaption{font-size:.8rem;color:var(--muted);padding:11px 16px;border-top:1px solid var(--line);background:var(--paper)}
.shot.is-pending::before{
  content:attr(data-label);
  display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:260px;padding:30px;font-weight:600;font-size:1rem;color:var(--dim);
  background:repeating-linear-gradient(-45deg,#f6f4ef 0 14px,#efece5 14px 28px);
}
.shot.is-pending figcaption::after{content:" · " attr(data-note);color:var(--dim)}

/* ---------- divider ---------- */
.divider{height:1px;background:var(--line);margin:70px auto 0;max-width:1120px}

/* ---------- method ---------- */
.method-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:1px;background:var(--line)}
@media (max-width:860px){.method-grid{grid-template-columns:1fr}}

.commits{display:grid;gap:1px;margin:18px 0;background:var(--line);border:1px solid var(--line)}
.commit{display:flex;gap:14px;align-items:baseline;background:var(--paper);padding:12px 16px;font-size:.9rem}
.commit .hash{font-family:var(--mono);font-size:.78rem;color:var(--blue);flex:0 0 auto}
.commit .msg{color:var(--muted)}
.commit .msg b{color:var(--ink)}

/* ---------- CTA ---------- */
.cta{
  background:var(--ink);color:#f4f3f0;padding:44px 46px;margin:40px 0 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
}
.cta .cta-txt{flex:1 1 380px}
.cta h3{color:#fff;font-size:1.45rem;margin-bottom:.35em}
.cta p{color:#b6b9be;margin:0;font-size:.97rem;max-width:40em}
.cta .btn{
  display:inline-block;background:var(--blue);color:#fff;
  font-weight:700;font-size:.96rem;text-decoration:none;
  padding:14px 30px;white-space:nowrap;border-radius:999px;
}
.cta .btn:hover{background:#2a63aa;color:#fff}

/* ---------- footer ---------- */
footer{margin-top:70px;padding:32px 0 44px;border-top:1px solid var(--line);font-size:.82rem;color:var(--dim)}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}

/* ---------- print ---------- */
@media print{
  body{font-size:12px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .topbar{display:none!important}
  .hero{padding:40px 0 88px}
  .kpi-strip{margin-top:-58px}
  section.block{padding:32px 0 6px;break-inside:auto}
  .card,.kpi,.callout,.shot,.tbl-wrap,.diagram,.steps li,.ledger,.commit{break-inside:avoid}
  .diagram{overflow:visible}
  .diagram svg{min-width:0}
  .cta{break-inside:avoid}
  a{text-decoration:none;color:inherit}
  .cta .btn::after{content:"  ->  linkedin.com/in/sedovkirill";font-weight:700;font-size:.85em}
  .shot.is-pending{display:none}
}