:root{
    --bg:#ffffff;
    --ink:#0a0a0a;
    --muted:#737373;
    --mute2:#a3a3a3;
    --line:#e5e5e5;
    --line-d:#d4d4d4;
    --soft:#f5f5f5;
    --soft2:#fafafa;
    --accent:#e63946;
    --accent-d:#c92a37;
    --sans:"Space Grotesk", system-ui, sans-serif;
    --mono:"Geist Mono", ui-monospace, monospace;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
    -webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11";}
  a{color:inherit;text-decoration:none;}
  ::selection{background:var(--accent);color:#fff;}

  /* nav */
  .nav{display:grid;grid-template-columns:200px 1fr auto auto;align-items:center;gap:12px;
    padding:20px 48px;border-bottom:1px solid var(--line);font-size:13px;font-weight:500;
    position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);z-index:50;}
  .logo{display:flex;align-items:center;gap:10px;}
  .logo-mark{width:28px;height:28px;background:var(--ink);color:#fff;display:flex;
    align-items:center;justify-content:center;font-size:12px;font-weight:700;letter-spacing:-.03em;
    position:relative;overflow:hidden;}
  .logo-mark::after{content:"";position:absolute;inset:0;background:var(--accent);
    transform:translateY(101%);transition:transform .35s cubic-bezier(.7,0,.3,1);}
  .logo:hover .logo-mark::after{transform:translateY(0);}
  .logo-mark span{position:relative;z-index:1;}
  .nav-links{display:flex;gap:28px;justify-content:center;color:var(--muted);}
  .nav-links a{position:relative;transition:color .15s;}
  .nav-links a:hover{color:var(--ink);}
  .nav-links a[aria-current="page"]{color:var(--ink);}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
    background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s;}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-cta{padding:8px 16px;background:var(--accent);color:#fff;font-size:12px;
    font-weight:600;letter-spacing:.02em;transition:background .15s;display:flex;align-items:center;gap:8px;}
  .nav-cta:hover{background:var(--accent-d);}
  .nav-cta .dot{width:6px;height:6px;border-radius:50%;background:#fff;
    box-shadow:0 0 0 0 rgba(255,255,255,.6);animation:pulse 2s infinite;}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.7);}70%{box-shadow:0 0 0 8px rgba(255,255,255,0);}100%{box-shadow:0 0 0 0 rgba(255,255,255,0);}}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;padding:0;border:1px solid var(--line);background:transparent;
    color:var(--ink);cursor:pointer;flex-shrink:0;appearance:none;-webkit-appearance:none;}
  .nav-burger:hover{background:var(--soft);}
  .nav-burger svg{display:block;width:18px;height:18px;}

.nav-drawer-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:200;}
.nav-drawer-backdrop.is-open{display:block;}
.nav-drawer{position:fixed;top:0;right:0;width:min(300px,88vw);height:100%;background:var(--bg);
  border-left:1px solid var(--line);z-index:201;padding:72px 24px 32px;
  transform:translateX(100%);transition:transform .2s ease;overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer-section{display:flex;flex-wrap:wrap;align-items:center;line-height:1.6;}
.nav-drawer-section a{display:inline;text-decoration:none;padding:3px 0;}
.nav-drawer-section--primary a{font-size:15px;font-weight:500;color:var(--ink);}
.nav-drawer-section--primary a:not(:last-child)::after{content:"·";margin:0 8px;color:var(--muted);pointer-events:none;}
.nav-drawer-section--primary a:hover{color:var(--accent);}
.nav-drawer-divider{border:none;border-top:1px solid var(--line);margin:12px 0;}
.nav-drawer-section--secondary a{font-size:13px;color:var(--muted);}
.nav-drawer-section--secondary a:not(:last-child)::after{content:"·";margin:0 8px;color:var(--muted);pointer-events:none;}
.nav-drawer-section--secondary a:hover{color:var(--ink);}

  /* hero */
  .hero{padding:64px 48px 0;}
  .grid12{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;}
  .meta-row{grid-column:1 / span 12;display:flex;justify-content:space-between;
    font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.08em;
    text-transform:uppercase;margin-bottom:32px;padding-bottom:12px;
    border-bottom:1px solid var(--line);}
  .hero-title{grid-column:1 / span 8;}
  .kicker{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.1em;
    text-transform:uppercase;margin-bottom:24px;display:flex;align-items:center;gap:10px;}
  .kicker .arrow{display:inline-block;transition:transform .3s;}
  h1.display{font-size:clamp(84px,12vw,176px);line-height:.88;letter-spacing:-0.055em;
    margin:0;font-weight:500;}
  h1.display .accent-dot{color:var(--accent);display:inline-block;transform-origin:bottom;}
  h1.display .accent-dot:hover{animation:bounce .5s;}
  @keyframes bounce{0%,100%{transform:scale(1);}50%{transform:scale(1.4);}}

  .hero-right{grid-column:9 / span 4;align-self:end;padding-bottom:16px;}
  .hero-lede{font-size:18px;line-height:1.4;margin-bottom:16px;font-weight:400;}
  .highlight{background:var(--accent);color:#fff;padding:0 6px;box-decoration-break:clone;-webkit-box-decoration-break:clone;}
  .hero-sub{font-size:13px;color:var(--muted);line-height:1.55;}
  .hero-sub b{color:var(--ink);font-weight:600;}

  .tags{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{padding:8px 14px;border:1px solid var(--ink);font-size:12px;font-weight:500;
    transition:background .15s,color .15s;cursor:default;}
  .tag:hover{background:var(--ink);color:#fff;}

  .ctas{display:flex;gap:12px;justify-content:flex-end;}
  .btn{padding:14px 22px;font-size:14px;font-weight:500;cursor:pointer;
    transition:transform .15s,background .15s;display:inline-flex;align-items:center;gap:12px;}
  .btn-primary{background:var(--ink);color:#fff;}
  .btn-primary:hover{background:var(--accent);}
  .btn-primary:hover .chev{transform:translateX(4px);}
  .btn-ghost{border:1px solid var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .chev{transition:transform .2s;}

  /* stats */
  .stats{margin:64px 48px 0;display:grid;grid-template-columns:1fr 1fr 1fr 1fr;
    border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);}
  .stat{padding:32px 24px;position:relative;transition:background .15s;}
  .stat:not(:last-child){border-right:1px solid var(--line);}
  .stat:hover{background:var(--soft2);}
  .stat-idx{position:absolute;top:8px;left:12px;font-family:var(--mono);font-size:10px;color:var(--muted);}
  .stat-num{font-size:64px;font-weight:500;letter-spacing:-.04em;line-height:1;}
  .stat-num .small{font-size:40px;color:var(--muted);}
  .stat-lbl{margin-top:10px;font-size:13px;color:var(--muted);}
  .stats--page{margin:32px -48px 0;}

  /* companies */
  .companies{margin:0 48px;padding:28px 0;display:flex;align-items:center;gap:56px;
    border-bottom:1px solid var(--line);overflow:hidden;}
  .companies-label{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;flex-shrink:0;}
  .company{font-size:20px;font-weight:600;letter-spacing:-.02em;transition:color .15s;}
  .company:hover{color:var(--accent);}

  /* portrait + manifesto */
  .portrait-row{margin:64px 48px 0;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .portrait{aspect-ratio:4/5;background:var(--soft);position:relative;overflow:hidden;}
  .portrait-img{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 40%, #d4d4d4 0%, #737373 45%, #0a0a0a 95%);}
  .portrait-img::before{content:"";position:absolute;inset:0;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='500'><filter id='n'><feTurbulence baseFrequency='.85' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/></svg>");
    mix-blend-mode:overlay;}
  .portrait-tag{position:absolute;font-family:var(--mono);font-size:10px;color:#fff;
    opacity:.7;letter-spacing:.1em;}
  .manifesto{padding:24px 0;display:flex;flex-direction:column;justify-content:space-between;}
  .manifesto-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.15em;
    text-transform:uppercase;color:var(--accent);margin-bottom:18px;}
  .manifesto-text{font-size:42px;line-height:1.1;letter-spacing:-.025em;font-weight:500;}
  .manifesto-text u{text-decoration:underline var(--accent) 4px;text-underline-offset:8px;font-style:normal;}
  .manifesto-sub{font-size:14px;line-height:1.6;color:var(--muted);max-width:420px;margin-top:32px;}

  /* section header */
  .sec-head{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-bottom:40px;align-items:end;}
  .sec-head.tight{margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--ink);display:flex;justify-content:space-between;align-items:baseline;}
  .sec-kicker{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em;margin-bottom:12px;}
  .sec-title{font-size:72px;font-weight:500;letter-spacing:-.04em;margin:0;line-height:.95;}
  .sec-right{grid-column:9 / span 4;font-size:14px;color:var(--muted);line-height:1.55;}
  .sec-link{font-size:14px;font-weight:500;color:var(--ink);text-decoration:underline;
    text-underline-offset:4px;transition:color .15s;}
  .sec-link:hover{color:var(--accent);}

  /* courses */
  .courses-wrap{padding:96px 48px 0;}
  .courses-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);border-left:1px solid var(--ink);}
  .course{padding:32px 28px 28px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);
    min-height:200px;position:relative;background:#fff;cursor:pointer;
    transition:background .2s;overflow:hidden;}
  .course::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
    background:var(--accent);transform:translateX(-4px);transition:transform .3s cubic-bezier(.7,0,.3,1);}
  .course:hover::before{transform:translateX(0);}
  .course:hover{background:var(--soft2);}
  .course:hover h3{color:var(--accent);}
  .course-meta{display:flex;justify-content:space-between;margin-bottom:24px;
    font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;}
  .course-num{color:var(--accent);font-weight:600;}
  .course h3{font-size:30px;font-weight:500;letter-spacing:-.02em;margin:0 0 10px;
    line-height:1.1;color:var(--ink);transition:color .2s;}
  .course p{font-size:14px;color:var(--muted);line-height:1.55;margin:0;}
  .course-arrow{position:absolute;bottom:20px;right:24px;font-size:20px;
    transition:transform .25s;}
  .course:hover .course-arrow{transform:translate(4px,-4px);color:var(--accent);}
  .course--upcoming{grid-column:1 / -1;}
  .course--upcoming::before{background:var(--muted);}
  .course--upcoming .course-status{font-family:var(--mono);font-size:11px;color:var(--accent);
    letter-spacing:.06em;text-transform:uppercase;margin:0 0 10px;}

  .banner{margin-top:24px;padding:20px 24px;background:var(--accent);color:#fff;
    display:flex;align-items:center;justify-content:space-between;font-size:15px;}
  .banner-tag{padding:4px 10px;background:#fff;color:var(--accent);
    font-family:var(--mono);font-size:10px;letter-spacing:.12em;font-weight:600;}
  .banner-left{display:flex;align-items:center;gap:16px;}
  .banner-right{font-size:13px;opacity:.85;cursor:pointer;transition:opacity .15s;}
  .banner-right:hover{opacity:1;}

  /* learning path (courses page) */
  .learning-path{display:flex;align-items:center;gap:24px;padding:20px 24px;
    border:1px solid var(--line);background:var(--bg);margin:0 0 24px 0;}
  .learning-path-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;
    letter-spacing:.05em;color:var(--muted);white-space:nowrap;}
  .learning-path-chain{display:flex;align-items:center;flex-wrap:wrap;gap:12px;
    font-size:15px;color:var(--ink);}
  .learning-path-chain a{color:var(--ink);text-decoration:none;
    border-bottom:1px solid transparent;transition:border-color .15s;}
  .learning-path-chain a:hover{border-bottom-color:var(--ink);}
  .learning-path-arrow{color:var(--mute2);}

  /* notes */
  .notes-wrap{padding:96px 48px 0;}
  .approach-wrap{padding:96px 48px 0;}
  .note{display:grid;grid-template-columns:90px 90px 1fr 80px 40px;gap:20px;align-items:center;
    padding:22px 0;border-bottom:1px solid var(--line);cursor:pointer;
    transition:padding .25s;}
  .note:hover{padding-left:12px;padding-right:-12px;}
  .note:hover .note-title{color:var(--accent);}
  .note:hover .note-arrow{transform:translateX(4px);}
  .note-date{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;}
  .note-cat{font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:3px 8px;
    background:var(--soft);justify-self:start;font-weight:500;}
  .note-title{font-size:22px;font-weight:500;letter-spacing:-.015em;transition:color .2s;}
  .note-read{font-family:var(--mono);font-size:11px;color:var(--muted);text-align:right;}
  .note-arrow{font-size:20px;text-align:right;color:var(--accent);transition:transform .25s;}

  /* knowledge catalog list */
  .km-list{display:flex;flex-direction:column;margin-top:40px;}
  .km-row{display:grid;grid-template-columns:200px 1fr 40px;gap:32px;align-items:center;
    padding:20px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;
    transition:background .15s;}
  .km-row:first-child{border-top:1px solid var(--line);}
  .km-row:hover{background:var(--soft);}
  .km-row:hover .km-arrow{transform:translateX(3px);}
  .km-tags{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
    color:var(--muted);}
  .km-title{font-size:18px;font-weight:500;color:var(--ink);margin:0;line-height:1.3;}
  .km-arrow{font-size:18px;color:var(--muted);text-align:right;transition:transform .2s;}

  /* knowledge catalog filters */
  .km-controls{margin-top:32px;margin-bottom:8px;display:flex;flex-direction:column;gap:16px;}
  .km-controls+.km-list{margin-top:0;}
  .km-search{width:100%;padding:12px 16px;border:1px solid var(--line);
    background:transparent;font-family:var(--sans);font-size:15px;color:var(--ink);outline:none;}
  .km-search:focus{border-color:var(--ink);}
  .km-filters{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;}
  .km-filter{display:flex;flex-direction:column;gap:4px;}
  .km-filter-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;
    letter-spacing:.05em;color:var(--muted);}
  .km-filter select{padding:8px 12px;border:1px solid var(--line);background:transparent;
    font-family:var(--sans);font-size:14px;color:var(--ink);cursor:pointer;outline:none;}
  .km-filter select:focus{border-color:var(--ink);}
  .km-count{font-family:var(--mono);font-size:12px;color:var(--muted);padding:8px 0;}
  .km-empty{padding:40px 0;text-align:center;color:var(--muted);font-style:italic;}
  /* knowledge catalog — checkboxes & two-col filter */
  .km-checkboxes{display:flex;gap:24px;margin-top:4px;}
  .km-checkbox{display:flex;align-items:center;gap:8px;cursor:pointer;
    font-size:14px;color:var(--ink);}
  .km-checkbox input[type="checkbox"]{width:16px;height:16px;cursor:pointer;
    accent-color:var(--accent);}
  .km-filters--two{grid-template-columns:1fr 1fr;}

  /* glossary cards */
  .gl-controls{margin-top:32px;display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;margin-bottom:24px;}
  .gl-search{flex:1;min-width:200px;padding:12px 16px;border:1px solid var(--line);background:transparent;
    font-family:var(--sans);font-size:15px;color:var(--ink);outline:none;}
  .gl-search:focus{border-color:var(--ink);}
  .gl-filter-wrap{display:flex;flex-direction:column;gap:4px;}
  .gl-filter-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);}
  .gl-filter{padding:12px 16px;border:1px solid var(--line);background:transparent;
    font-family:var(--sans);font-size:14px;color:var(--ink);cursor:pointer;outline:none;}
  .gl-filter:focus{border-color:var(--ink);}
  .gl-count{font-family:var(--mono);font-size:12px;color:var(--muted);width:100%;}
  .gl-nav{display:flex;gap:0;margin-bottom:40px;border-bottom:1px solid var(--line);flex-wrap:wrap;}
  .gl-nav a{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
    color:var(--muted);text-decoration:none;padding:10px 20px 10px 0;
    border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s;}
  .gl-nav a:hover{color:var(--ink);}
  .gl-nav a.is-active{color:var(--ink);border-bottom-color:var(--accent);}
  .gl-list{margin-top:0;}
  .gl-section{margin-bottom:56px;}
  .gl-section.hidden{display:none;}
  .gl-section-title{font-family:var(--mono);font-size:11px;text-transform:uppercase;
    letter-spacing:.08em;color:var(--muted);margin:0 0 0 0;padding-bottom:12px;
    border-bottom:1px solid var(--line);}
  .gl-card{padding:24px 0;border-bottom:1px solid var(--line);position:relative;}
  .gl-card:first-of-type{border-top:1px solid var(--line);}
  .gl-card.hidden{display:none;}
  .gl-card-header{display:flex;align-items:baseline;gap:10px;margin-bottom:8px;flex-wrap:wrap;}
  .gl-term-name{font-size:18px;font-weight:600;color:var(--ink);margin:0;line-height:1.3;}
  .gl-term-type{font-family:var(--mono);font-size:10px;text-transform:uppercase;
    letter-spacing:.06em;color:var(--muted);padding:2px 6px;border:1px solid var(--line);
    flex-shrink:0;white-space:nowrap;}
  .gl-term-anchor{font-family:var(--mono);font-size:12px;color:var(--muted);
    text-decoration:none;margin-left:auto;opacity:0;transition:opacity .15s;}
  .gl-card:hover .gl-term-anchor{opacity:1;}
  .gl-term-anchor:hover{color:var(--ink);}
  .gl-card:target,.gl-card.is-active{background:var(--soft);}
  .gl-term-def{font-size:15px;line-height:1.65;color:var(--ink);margin:0 0 10px 0;}
  .gl-term-note{font-size:13px;line-height:1.5;color:var(--muted);margin:5px 0;
    padding-left:12px;border-left:2px solid var(--line);}
  .gl-term-note strong{font-family:var(--mono);font-size:10px;text-transform:uppercase;
    letter-spacing:.04em;font-weight:600;}
  .gl-term-note--warn strong{color:#dc2626;}
  .gl-term-related{margin-top:10px;font-size:12px;font-family:var(--mono);color:var(--muted);}
  .gl-term-related a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line);
    transition:color .15s,border-color .15s;}
  .gl-term-related a:hover{color:var(--ink);border-bottom-color:var(--ink);}
  .gl-term-related-sep{color:var(--line);margin:0 4px;}

  /* knowledge competencies hub */
  .km-callout-block{padding:32px;border:1px solid var(--line);background:var(--soft);}
  .km-callout-block h2{margin-top:0;font-size:22px;}
  .km-callout-lead{color:var(--muted);margin-bottom:24px;}
  .km-steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px;margin-top:24px;}
  .km-step{padding:24px;border:1px solid var(--line);}
  .km-step-num{font-family:var(--mono);font-size:11px;text-transform:uppercase;
    letter-spacing:.05em;color:var(--muted);display:block;margin-bottom:12px;}
  .km-step-title{margin:0 0 12px 0;font-size:18px;font-weight:600;}
  .km-step p{margin:0;color:var(--ink);font-size:14px;line-height:1.5;}

  /* testimonials */
  .tests-wrap{padding:96px 48px 0;}
  .tests-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--ink);}
  .tests-grid--two-col{grid-template-columns:1fr 1fr;}
  .test{padding:28px 26px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);
    background:#fff;position:relative;}
  .test-quote{font-size:18px;line-height:1.4;letter-spacing:-.01em;margin:0 0 20px;color:var(--ink);font-weight:400;}
  .test-quote::before{content:"\201C";font-size:56px;line-height:0;
    position:absolute;top:38px;left:18px;color:var(--accent);font-weight:500;pointer-events:none;}
  .test-quote{padding-left:28px;}
  .test-by{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);padding-left:28px;}
  .test-by b{color:var(--ink);font-weight:600;}
  .test-stars{display:flex;gap:2px;font-size:10px;color:var(--accent);margin-left:auto;}

  /* newsletter */
  .news{margin:96px 48px 0;padding:56px 48px;background:var(--ink);color:#fff;
    display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;position:relative;overflow:hidden;}
  .news::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
    background:var(--accent);opacity:.12;border-radius:50%;}
  .news-kicker{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em;margin-bottom:14px;}
  .news h3{font-size:44px;margin:0;font-weight:500;letter-spacing:-.03em;line-height:1.05;}
  .news-sub{font-size:14px;color:#a3a3a3;line-height:1.55;margin-top:16px;max-width:420px;}
  .news-form{display:flex;gap:0;position:relative;z-index:1;}
  .news-form input{flex:1;padding:16px 18px;background:#1a1a1a;border:1px solid #333;
    color:#fff;font-family:var(--sans);font-size:14px;outline:none;transition:border .15s;}
  .news-form input:focus{border-color:var(--accent);}
  .news-form button{padding:16px 24px;background:var(--accent);border:none;color:#fff;
    font-family:var(--sans);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s;}
  .news-form button:hover{background:var(--accent-d);}

  /* footer */
  .footer{padding:40px 48px;background:var(--ink);color:#fff;font-size:13px;
    display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;}
  .footer-links{display:flex;gap:24px;opacity:.8;}
  .footer-links a{transition:color .15s;}
  .footer-links a:hover{color:var(--accent);}
  .footer-center{font-family:var(--mono);font-size:11px;opacity:.5;letter-spacing:.1em;text-align:center;}
  .footer-right{opacity:.5;text-align:right;}

  /* headline cursor caret next to dot */
  .caret{display:inline-block;width:.08em;height:.75em;background:var(--accent);vertical-align:middle;
    animation:blink 1.1s steps(1,end) infinite;margin-left:.02em;transform:translateY(-.05em);}
  @keyframes blink{50%{opacity:0;}}

  /* reveal animation */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s;}
  .reveal.in{opacity:1;transform:none;}


/* -- Page-shared styles --------------------------------- */
.page{padding:64px 48px 0;}
.page .meta-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:32px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.page-title{font-size:clamp(64px,9vw,128px);line-height:.9;letter-spacing:-.05em;margin:0;font-weight:500;}
.page-title .accent-dot{color:var(--accent);}
.page-lead{font-size:20px;line-height:1.4;max-width:720px;margin-top:24px;color:var(--ink);}
.page-lead .highlight{background:var(--accent);color:#fff;padding:0 6px;}
.page-sub{font-size:14px;color:var(--muted);margin-top:14px;line-height:1.55;max-width:620px;}



/* course detail card list */
.course-list{margin-top:48px;border-top:1px solid var(--ink);}
.course-item{display:grid;grid-template-columns:60px 1fr 220px 60px;gap:24px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);cursor:pointer;transition:padding .25s;}
.course-item:hover{padding-left:12px;}
.course-item:hover h3{color:var(--accent);}
.course-item:hover .ci-arrow{transform:translateX(4px);color:var(--accent);}
.ci-num{font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:600;}
.ci-title h3{font-size:32px;font-weight:500;letter-spacing:-.02em;margin:0 0 6px;line-height:1.1;transition:color .2s;}
.ci-title p{font-size:14px;color:var(--muted);margin:0;line-height:1.5;}
.ci-meta{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.05em;}
.ci-meta .chip{padding:3px 9px;background:var(--soft);justify-self:start;display:inline-block;width:max-content;}
.ci-arrow{text-align:right;font-size:22px;transition:transform .25s;}

/* two column prose */
.prose-grid{display:grid;grid-template-columns:240px 1fr;gap:48px;margin-top:72px;
  padding-top:48px;border-top:1px solid var(--line);}
.prose-grid h4{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em;
  text-transform:uppercase;margin:0;}
.prose p{font-size:16px;line-height:1.65;color:var(--ink);margin:0 0 16px;max-width:620px;}
.prose p strong{font-weight:600;}
.prose ul{font-size:16px;line-height:1.7;color:var(--ink);padding-left:20px;margin:0 0 16px;}
.prose ul li{margin-bottom:6px;}
.prose h2{font-size:32px;font-weight:500;letter-spacing:-.02em;margin:48px 0 14px;}
.prose h3{font-size:20px;font-weight:600;margin:32px 0 10px;}
.prose--narrow{max-width:680px;}

/* prose table */
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 24px;}
.prose th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--ink);color:var(--muted);font-weight:600;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;}
.prose th:first-child{width:40%;}
.prose td{padding:12px;border-bottom:1px solid var(--line);}
.prose tbody tr:last-child td{border-bottom:none;}

/* prose code / figure */
.prose pre{font-family:var(--mono);font-size:13px;background:var(--soft);border:1px solid var(--line);padding:20px 24px;overflow-x:auto;margin:0 0 24px;line-height:1.6;}
.prose figure{margin:32px 0;}
.prose figcaption{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em;margin-top:8px;}

/* lesson */
.lesson{padding:64px 48px 0;max-width:800px;margin:0 auto;}
.lesson-header{margin-bottom:56px;padding-bottom:32px;border-bottom:1px solid var(--ink);}
.lesson-meta{display:flex;gap:16px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px;flex-wrap:wrap;}
.lesson-num{color:var(--accent);font-weight:600;}
.lesson-module{color:var(--muted);}
.lesson-title{font-size:clamp(36px,5vw,56px);font-weight:500;letter-spacing:-.035em;margin:0 0 16px;line-height:1.05;}
.lesson-lede{font-size:22px;line-height:1.45;color:var(--ink);max-width:640px;}

/* case-block */
.case-block{border:1px solid var(--line);padding:24px 28px;margin:32px 0;}
.case-block-tag{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;}
.case-block--return{border-color:var(--accent);}

/* stop-question */
.stop-question{border-left:3px solid var(--accent);padding:16px 20px;margin:32px 0;background:var(--soft2);}

/* formula-box */
.formula-box{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:32px 24px;margin:32px 0;text-align:center;}
.formula-label{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;}
.formula-expr{font-family:var(--mono);font-size:22px;font-weight:500;color:var(--ink);line-height:1.4;}

/* protocol-list */
.protocol-list{counter-reset:protocol;list-style:none;padding:0;margin:0 0 24px;}
.protocol-list li{counter-increment:protocol;padding:14px 0 14px 52px;border-bottom:1px solid var(--line);position:relative;font-size:16px;line-height:1.6;}
.protocol-list li::before{content:counter(protocol,"decimal-leading-zero");position:absolute;left:0;top:14px;font-family:var(--mono);font-size:11px;color:var(--accent);font-weight:600;letter-spacing:.06em;}

/* takeaway */
.takeaway{background:var(--ink);color:#fff;padding:24px 28px;margin:40px 0;}
.takeaway-tag{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;}
/* explicit color overrides needed: .prose p sets color:var(--ink) directly,
   inheritance from .takeaway is not enough — must beat it via source order */
.takeaway p{color:#fff;}
.takeaway p strong{color:#fff;}
.takeaway p+p{margin-top:10px;}
/* links on dark bg: accent red is visible and on-brand; hover → white
   (same logic as .footer-links a:hover → accent, but inverted because bg is dark) */
.takeaway a{color:var(--accent);}
.takeaway a:hover{color:#fff;text-decoration:underline;}

/* lesson footer nav */
.lesson-footer{margin-top:80px;padding-top:32px;border-top:1px solid var(--ink);}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:32px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .15s;}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb-sep{color:var(--mute2);user-select:none;}
.breadcrumb-current{color:var(--ink);}
.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.lesson-nav--prev{text-align:left;}
.lesson-nav--next{text-align:right;}
.lesson-nav-label{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px;}
.lesson-nav-title{font-size:18px;font-weight:500;letter-spacing:-.01em;color:var(--ink);transition:color .15s;}
.lesson-nav-title:hover{color:var(--accent);}

/* think-block — вопрос для самостоятельного осмысления (сценарии практики) */
.think-block{margin:40px 0;padding:28px 32px;border-left:4px solid var(--accent);background:var(--soft);}
.think-block-tag{display:block;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;}
.think-block ol{padding-left:20px;margin:0;}
.think-block li{font-size:17px;line-height:1.6;margin-bottom:10px;}
.think-block li:last-child{margin-bottom:0;}

/* disclosure — скрытый разбор на базе <details>/<summary>
   Класс .reveal занят scroll-animation (строка ~237); используем .disclosure. */
.disclosure{margin:32px 0;}
.disclosure-trigger{display:inline-block;padding:14px 24px;border:1px solid var(--ink);background:var(--bg);font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);cursor:pointer;user-select:none;list-style:none;}
.disclosure-trigger::-webkit-details-marker{display:none;}
.disclosure-trigger::marker{content:"";}
.disclosure-trigger:hover{background:var(--ink);color:#fff;}
.disclosure[open] .disclosure-trigger{background:var(--ink);color:#fff;}
.disclosure-content{margin-top:24px;padding-top:24px;border-top:1px solid var(--line);}
.disclosure-content>*:first-child{margin-top:0;}
.disclosure-content>*:last-child{margin-bottom:0;}

/* disclosure--quote: лёгкий вариант для таймлайна цитат */
.disclosure--quote{margin-top:8px;}
.disclosure--quote .disclosure-trigger{display:inline;padding:0;border:none;background:transparent;font-size:11px;color:var(--muted);}
.disclosure--quote .disclosure-trigger:hover{background:transparent;color:var(--ink);}
.disclosure--quote[open] .disclosure-trigger{background:transparent;color:var(--accent);}
.disclosure--quote .disclosure-content{margin-top:12px;padding-top:12px;}

/* results page — companies by sector */
.companies-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px 48px;margin-top:24px;}
.company-sector{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px;}
.company-names{font-size:15px;color:var(--ink);line-height:1.8;margin:0;}

/* results page — scenario cards */
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--ink);margin-top:24px;}
.scenario-card{padding:32px 28px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);}
.scenario-card h3{font-size:18px;font-weight:600;margin:0 0 14px;letter-spacing:-.01em;}
.scenario-badge{display:block;font-family:var(--mono);font-size:11px;font-weight:600;color:var(--ink);letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}

/* results page — quote timeline */
.quote-list{margin-top:24px;}
.quote-item{padding:28px 0;border-bottom:1px solid var(--line);}
.quote-item:first-child{border-top:1px solid var(--line);}
.quote-meta{display:flex;gap:20px;align-items:baseline;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px;}
.quote-author{color:var(--ink);font-weight:600;}
.quote-preview{font-size:15px;line-height:1.65;color:var(--ink);margin:0;}
.quote-full{font-size:15px;line-height:1.65;color:var(--ink);margin:0;}

/* lesson-meta--scenario: модификатор для страниц сценариев */
.lesson-type{color:var(--accent);}

/* mentorship pricing */
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:48px;
  border-top:1px solid var(--ink);border-left:1px solid var(--ink);}
.plan{padding:32px 28px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);
  position:relative;transition:background .2s;}
.plan:hover{background:var(--soft2);}
.plan.feat{background:var(--ink);color:#fff;}
.plan.feat:hover{background:#1a1a1a;}
.plan-tag{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em;margin-bottom:18px;}
.plan h3{font-size:36px;font-weight:500;letter-spacing:-.02em;margin:0 0 8px;}
.plan-price{font-size:48px;font-weight:500;letter-spacing:-.03em;margin:20px 0 10px;line-height:1;}
.plan-price .per{font-size:14px;color:var(--muted);font-weight:400;}
.plan.feat .plan-price .per{color:#a3a3a3;}
.plan ul{list-style:none;padding:0;margin:20px 0 0;font-size:14px;line-height:1.7;}
.plan ul li{padding:8px 0;border-top:1px dashed var(--line);display:flex;align-items:center;gap:10px;}
.plan.feat ul li{border-top-color:#2a2a2a;}
.plan ul li::before{content:"\2713";color:var(--accent);font-weight:700;}

/* cases grid */
.cases-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px;}
.case{border:1px solid var(--line);padding:28px 28px 24px;position:relative;
  cursor:pointer;transition:border-color .2s,background .2s;background:#fff;}
.case:hover{border-color:var(--ink);background:var(--soft2);}
.case:hover h3{color:var(--accent);}
.case-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;
  color:var(--muted);letter-spacing:.06em;margin-bottom:20px;}
.case-co{color:var(--ink);font-weight:600;}
.case h3{font-size:26px;font-weight:500;letter-spacing:-.02em;margin:0 0 12px;line-height:1.15;transition:color .2s;}
.case p{font-size:14px;color:var(--muted);line-height:1.55;margin:0 0 20px;}
.case-metric{display:grid;grid-template-columns:1fr;gap:16px;padding-top:16px;border-top:1px solid var(--line);}
.case-metric .m-num{font-size:28px;font-weight:500;letter-spacing:-.02em;color:var(--ink);line-height:1;}
.case-metric .m-lbl{font-size:11px;color:var(--muted);margin-top:6px;font-family:var(--mono);letter-spacing:.05em;}

/* article */
.article{padding:72px 48px 0;max-width:880px;margin:0 auto;}
.article-meta{display:flex;gap:16px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:24px;}
.article-meta .chip{padding:3px 9px;background:var(--soft);}
.article h1{font-size:clamp(44px,5.5vw,68px);line-height:1.05;letter-spacing:-.035em;margin:0 0 24px;font-weight:500;}
.article .prose p{max-width:none;font-size:18px;}
.article .prose h2{font-size:32px;font-weight:500;letter-spacing:-.02em;margin:48px 0 14px;}
.article .prose h3{font-size:22px;font-weight:600;margin:32px 0 10px;}
.article .prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:24px 0;
  font-size:20px;color:var(--ink);font-weight:500;letter-spacing:-.01em;}
.article .prose code{font-family:var(--mono);font-size:.92em;background:var(--soft);padding:1px 6px;}
.article-author{margin-top:72px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:16px;font-size:13px;color:var(--muted);}
.article-author b{color:var(--ink);font-weight:600;font-size:14px;}
.author-av{width:44px;height:44px;background:var(--ink);color:#fff;display:flex;align-items:center;
  justify-content:center;font-size:13px;font-weight:700;letter-spacing:-.03em;}

/* filter chips */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:32px 0 8px;}
.filter{padding:7px 14px;border:1px solid var(--line);font-family:var(--mono);font-size:11px;
  letter-spacing:.06em;cursor:pointer;transition:background .15s,border-color .15s,color .15s;}
.filter:hover{border-color:var(--ink);}
.filter.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* about timeline */
.timeline{margin-top:48px;border-top:1px solid var(--ink);}
.tl-row{display:grid;grid-template-columns:120px 180px 1fr;gap:32px;padding:24px 0;
  border-bottom:1px solid var(--line);align-items:baseline;}
.tl-year{font-family:var(--mono);font-size:14px;color:var(--accent);font-weight:600;}
.tl-role{font-size:18px;font-weight:600;letter-spacing:-.01em;}
.tl-role .co{color:var(--muted);font-weight:400;display:block;font-size:13px;margin-top:2px;}
.tl-body{font-size:14px;color:var(--muted);line-height:1.6;max-width:560px;}

/* CTA strip */
.cta-strip{margin:96px 48px 0;padding:48px;border:1px solid var(--ink);
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-strip h3{font-size:40px;margin:0;font-weight:500;letter-spacing:-.03em;line-height:1.05;}
.cta-strip p{font-size:14px;color:var(--muted);margin:10px 0 0;max-width:520px;line-height:1.55;}

/* spacer before footer */
.footer-spacer{height:96px;}

/* responsive tweaks */
@media (max-width:900px){
  .nav{display:flex;align-items:center;gap:12px;padding:16px 24px;}
  .nav-links{display:none;}
  .nav-cta{margin-left:auto;}
  .hero,.courses-wrap,.notes-wrap,.approach-wrap,.tests-wrap,.page,.article{padding-left:24px;padding-right:24px;}
  .stats,.companies,.portrait-row,.news,.footer,.cta-strip{margin-left:24px!important;margin-right:24px!important;}
  .stats--page{margin-left:-24px!important;margin-right:-24px!important;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .hero-title,.hero-right,.sec-right{grid-column:1 / -1;}
  .hero-right{padding-bottom:0;}
  .ctas{justify-content:flex-start;flex-wrap:wrap;}
  .portrait-row,.courses-grid,.tests-grid,.news,.cases-grid,.pricing,.prose-grid,.cta-strip,.scenarios-grid{grid-template-columns:1fr;}
  .news{padding:36px 24px;}
  .footer{grid-template-columns:1fr;text-align:left;}
  .footer-right,.footer-center{text-align:left;}
  .course-item{grid-template-columns:40px 1fr 40px;}
  .course-item .ci-meta{display:none;}
  .tl-row{grid-template-columns:80px 1fr;}
  .tl-body{grid-column:1 / -1;}
  .note{grid-template-columns:70px 1fr 40px;}
  .note-cat,.note-read{display:none;}
  .lesson{padding-left:24px;padding-right:24px;}
  .lesson-nav{grid-template-columns:1fr;}
  .lesson-nav--next{text-align:left;}
  .km-row{grid-template-columns:1fr 28px;gap:12px;}
  .km-tags{grid-column:1 / -1;margin-bottom:-4px;}
  .km-filters{grid-template-columns:1fr;}
  .km-filters--two{grid-template-columns:1fr;}
  .km-checkboxes{flex-direction:column;gap:12px;}
  .gl-controls{flex-direction:column;align-items:stretch;}
  .gl-filter-wrap{flex-direction:row;align-items:center;gap:8px;}
  .gl-filter-label{white-space:nowrap;}
  .gl-filter{flex:1;}
  .gl-term-name{font-size:16px;}
  .km-steps{grid-template-columns:1fr;}
  .km-callout-block{padding:24px;}
}
@media (max-width:768px){
  .learning-path{flex-direction:column;align-items:flex-start;gap:12px;padding:16px 20px;}
  .learning-path-chain{font-size:14px;}
  .tests-grid--two-col{grid-template-columns:1fr;}
}