/* ШКОЛА 21 — Brandbook doc styles */
@font-face{font-family:'SB Sans Display';src:url('fonts/SBSansDisplay-Regular.otf') format('opentype');font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:'SB Sans Display';src:url('fonts/SBSansDisplay-Semibold.ttf') format('truetype');font-weight:500 600;font-style:normal;font-display:swap;}
@font-face{font-family:'SB Sans Display';src:url('fonts/SBSansDisplay-Bold.otf') format('opentype');font-weight:700 900;font-style:normal;font-display:swap;}

:root{
  --ink:#1D2633; --black:#212121; --green:#44EB99; --green-d:#18DD7C;
  --purple:#861BE3; --purple-d:#5D139D; --gray-bg:#F4F4F9; --gray-100:#EBECF4;
  --line:#DDE3E9; --border:#AEBBCA; --text:#1D2633; --sec:#516077; --muted:#8191A2;
}
*{box-sizing:border-box;}
html{-webkit-print-color-adjust:exact;print-color-adjust:exact;}
body{margin:0;background:#EEF0F4;font-family:'SB Sans Display',system-ui,sans-serif;
  color:var(--text);-webkit-font-smoothing:antialiased;font-synthesis:none;}
::selection{background:var(--green);color:var(--ink);}

.doc{box-sizing:border-box;max-width:8.5in;margin:24px auto;background:#fff;
  box-shadow:0 4px 30px rgba(29,38,51,.10);}
.doc-frame{width:100%;border-collapse:collapse;}
.doc-frame td{padding:0;}
.hdr-space,.ftr-space{display:none;}

/* masthead */
.masthead{position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:46px clamp(28px,5vw,64px) 44px;}
.mh-bar{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.04em;color:#C6CFDA;position:relative;z-index:2;}
.mh-brand{font-weight:700;color:#fff;letter-spacing:.02em;}
.mh-dot{color:var(--green);}
.mh-bb{color:#fff;font-weight:500;}
.mh-logo{height:62px;width:auto;display:block;position:relative;z-index:2;}
.mh-tag{margin-left:auto;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);}
.mh-eyebrow{margin-top:36px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green);font-weight:600;position:relative;z-index:2;}
.masthead h1{margin:14px 0 0;font-weight:700;font-size:clamp(30px,5vw,46px);line-height:1.02;
  letter-spacing:-0.02em;text-transform:uppercase;text-wrap:balance;position:relative;z-index:2;}
.mh-sub{margin:18px 0 0;font-size:18px;font-weight:400;color:#C6CFDA;line-height:1.45;max-width:34em;position:relative;z-index:2;}
.mh-meta{margin:10px 0 0;font-family:ui-monospace,'SFMono-Regular',monospace;font-size:12px;
  letter-spacing:.02em;color:var(--muted);position:relative;z-index:2;}
.mh-pattern{position:absolute;right:-20px;top:-20px;width:280px;height:280px;opacity:.18;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='168' height='168'%3E%3Crect x='12' y='12' width='28' height='28' fill='%23861BE3'/%3E%3Crect x='40' y='40' width='28' height='28' fill='%2344EB99'/%3E%3Crect x='116' y='44' width='28' height='28' fill='%2344EB99'/%3E%3Crect x='144' y='72' width='28' height='28' fill='%23861BE3'/%3E%3Crect x='56' y='116' width='28' height='28' fill='%23861BE3'/%3E%3Crect x='84' y='144' width='28' height='28' fill='%2344EB99'/%3E%3C/svg%3E");
  background-size:140px 140px;}

/* running per-page logo (print) */
.page-logo{display:none;}
.page-logo img{height:42px;width:auto;display:block;}

/* content */
.content{padding:48px clamp(28px,5vw,64px) 80px;font-size:16px;line-height:1.62;color:var(--text);}
.content h2{margin:52px 0 4px;font-weight:700;font-size:26px;line-height:1.12;letter-spacing:-0.01em;
  text-transform:uppercase;color:var(--purple);text-wrap:balance;}
.content h2::before{content:"";display:block;width:40px;height:6px;background:var(--green);
  border-radius:2px;margin-bottom:16px;}
.content h3{margin:34px 0 10px;font-weight:600;font-size:19px;line-height:1.25;color:var(--ink);}
.content h4{margin:26px 0 8px;font-weight:600;font-size:16px;color:var(--sec);
  letter-spacing:.02em;}
.content h3.toc-h{margin:8px 0 18px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:600;}
.content p{margin:0 0 14px;text-wrap:pretty;}
.content > p:first-child{margin-top:0;}

/* pixel list */
ul.px{list-style:none;margin:8px 0 20px;padding:0;}
ul.px li{position:relative;padding:7px 0 7px 30px;text-wrap:pretty;border-bottom:1px solid var(--gray-100);}
ul.px li:last-child{border-bottom:none;}
ul.px li::before{content:"";position:absolute;left:2px;top:14px;width:11px;height:11px;
  background:var(--green);}
ul.px li::after{content:"";position:absolute;left:9px;top:21px;width:7px;height:7px;background:var(--purple);}

/* callouts */
.callout{margin:18px 0;padding:16px 20px;background:var(--gray-bg);border-left:4px solid var(--purple);
  border-radius:0 10px 10px 0;font-weight:500;color:var(--ink);line-height:1.5;}
.callout.cstrong{background:#1D2633;color:#fff;border-left-color:var(--green);}
.callout.cstrong{font-weight:600;}

/* tables */
.tw{margin:20px 0 26px;overflow-x:auto;border-radius:12px;border:1px solid var(--line);}
.tw table{width:100%;border-collapse:collapse;font-size:14.5px;}
.tw th{background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:13px 16px;
  vertical-align:top;border-right:1px solid #323842;}
.tw th:last-child{border-right:none;}
.tw td{padding:12px 16px;vertical-align:top;border-top:1px solid var(--line);
  border-right:1px solid var(--line);color:var(--text);line-height:1.45;}
.tw td:last-child{border-right:none;}
.tw tr:nth-child(even) td{background:var(--gray-bg);}

/* print */
@page{size:A4;margin:0;}
@media print{
  html,body{margin:0;padding:0;background:#fff;}
  .doc{max-width:none!important;margin:0!important;box-shadow:none!important;}
  .hdr-space{display:table-cell;height:0.78in;}
  .ftr-space{display:table-cell;height:0.6in;}
  .page-logo{display:block;position:fixed;top:0;left:0;padding:0.22in 0.75in 0;}
  .page-logo img{height:0.32in;width:auto;}
  .masthead{padding-left:0.75in;padding-right:0.75in;}
  .content{padding-left:0.75in;padding-right:0.75in;}
  h1,h2,h3,h4{break-after:avoid;}
  .tw,.callout,tr,li{break-inside:avoid;}
  p,li{orphans:3;widows:3;}
}
@media (max-width:560px){
  .content{font-size:15px;}
}