:root {
    --primary: #00A287;
    --primary-dark: #00876F;
    --primary-tint: rgba(0,162,135,0.08);
    --primary-tint-strong: rgba(0,162,135,0.18);
    --dark: #0A0A0A;
    --secondary: #3D3F4A;
    --accent: #8E0B13;
    --accent-soft: #661C22;
    --gold: #C8A951;
    --light-bg: #F2F4F2;
    --cream: #FBF9F4;
    --gray-100: #F7F7F6;
    --gray-200: #E8E8E5;
    --gray-300: #C8C8C2;
    --gray-500: #5F5F5B;
    --gray-700: #3A3A36;
    --text: #1A1A1A;
    --display: 'Playfair Display', Georgia, serif;
    --body: 'Raleway', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
  }

  /* ===== HERO ===== */
  .hero {
    background: linear-gradient(135deg, var(--dark) 0%, #142824 60%, var(--primary-dark) 100%);
    color: #fff;
    padding: 56px 60px 44px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.25;
    pointer-events: none;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -240px;
    left: -120px;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
  }
  .hero-inner {
    max-width: 1080px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .eyebrow {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 18px;
  }
  h1.hero-title {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    line-height: 1.06;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
  }
  .hero-subtitle {
    font-family: var(--display);
    font-style: italic;
    font-size: clamp(18px, 2.2vw, 26px);
    color: var(--primary);
    font-weight: 400;
    margin-bottom: 36px;
  }
  .hero-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.12);
    max-width: 880px;
  }
  .hero-meta-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    margin-bottom: 5px;
  }
  .hero-meta-value {
    font-size: 14px;
    color: rgba(255,255,255,0.92);
    line-height: 1.4;
  }

  /* ===== TOC ===== */
  .toc {
    max-width: 1080px;
    margin: 0 auto;
    padding: 60px 60px 40px;
  }
  .toc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .toc-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    padding: 32px 28px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.25s ease;
    display: block;
  }
  .toc-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  }
  .toc-card-num {
    font-family: var(--display);
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    color: var(--primary);
    margin-bottom: 16px;
  }
  .toc-card-title {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.2;
  }
  .toc-card-desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
  }

  main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 60px 32px;
  }

  /* ===== SECTION BANNER ===== */
  .section-banner {
    margin: 100px -60px 60px;
    padding: 56px 60px;
    background: var(--dark);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .section-banner::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    left: 0;
    width: 8px;
    background: var(--primary);
  }
  .section-eyebrow {
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 16px;
  }
  .section-title {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
  }
  .section-lede {
    font-family: var(--display);
    font-style: italic;
    font-size: 22px;
    color: var(--primary);
    margin-top: 16px;
    max-width: 720px;
  }

  h2.h2 {
    font-family: var(--display);
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin: 64px 0 24px;
    letter-spacing: -0.01em;
    line-height: 1.15;
  }
  h3.h3 {
    font-family: var(--display);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 40px 0 16px;
  }
  h4.h4 {
    font-family: var(--body);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--secondary);
    margin: 32px 0 12px;
  }
  p { margin-bottom: 16px; max-width: 760px; }
  p strong { color: var(--dark); font-weight: 600; }

  /* ===== STEP CARD ===== */
  .step {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 36px;
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
  }
  .step:last-child { border-bottom: none; }
  .step-meta {
    font-family: var(--display);
    text-align: right;
  }
  .step-num {
    font-size: 64px;
    font-weight: 800;
    line-height: 0.9;
    color: var(--primary);
    letter-spacing: -0.04em;
  }
  .step-time {
    margin-top: 8px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 0.05em;
  }
  .step-leader {
    display: inline-block;
    margin-top: 10px;
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    padding: 4px 9px;
    background: var(--gray-100);
    border-radius: 2px;
  }
  .step-leader.both { color: var(--primary-dark); }
  .step-content { min-width: 0; }
  .step-title {
    font-family: var(--display);
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.01em;
  }
  .step-section { margin-bottom: 22px; }
  .step-section-label {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 8px;
  }

  /* ===== SAY ===== */
  .say {
    font-family: var(--display);
    font-style: italic;
    font-size: 18px;
    line-height: 1.55;
    color: var(--gray-700);
    border-left: 3px solid var(--primary);
    padding: 4px 0 4px 20px;
    margin: 0 0 16px;
    max-width: 720px;
  }

  /* ===== DO LIST ===== */
  ul.do { list-style: none; padding: 0; }
  ul.do li {
    position: relative;
    padding: 8px 0 8px 32px;
    line-height: 1.55;
  }
  ul.do li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--primary);
    font-weight: 700;
  }

  /* ===== PROMPT ===== */
  .prompt {
    background: var(--dark);
    color: #E8E8E5;
    border-radius: 4px;
    padding: 18px 22px 18px 26px;
    font-family: var(--mono);
    font-size: 13.5px;
    line-height: 1.65;
    margin: 12px 0 16px;
    border-left: 4px solid var(--primary);
    max-width: 760px;
  }
  .prompt-label {
    display: block;
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
  }
  /* When promt is a <details>, label becomes clickable <summary> with chevron */
  summary.prompt-label {
    cursor: pointer;
    list-style: none;
    user-select: none;
    padding-right: 110px;   /* space for absolute-positioned copy button */
    transition: color 0.15s ease;
  }
  summary.prompt-label::-webkit-details-marker { display: none; }
  summary.prompt-label::before {
    content: '\25B8';
    display: inline-block;
    margin-right: 10px;
    font-size: 11px;
    letter-spacing: 0;
    color: var(--primary);
    transition: transform 0.2s ease;
  }
  details.prompt[open] > summary.prompt-label::before {
    transform: rotate(90deg);
  }
  details.prompt:not([open]) > summary.prompt-label {
    margin-bottom: 0;
  }
  summary.prompt-label:hover { color: #FFFFFF; }
  summary.prompt-label:hover::before { color: #FFFFFF; }
  .prompt-body {
    color: #F0EDE5;
    white-space: pre-wrap;
  }

  /* ===== LIFEHACK ===== */
  .lifehack {
    background: var(--primary-tint);
    border-left: 4px solid var(--primary);
    padding: 18px 24px;
    border-radius: 0 4px 4px 0;
    margin: 14px 0 16px;
    max-width: 760px;
  }
  .lifehack-label {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 8px;
  }
  .lifehack-text {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.55;
  }
  .lifehack-text strong { color: var(--dark); }

  /* ===== CALLOUT ===== */
  .callout {
    background: linear-gradient(135deg, var(--cream) 0%, #fff 100%);
    border: 1px solid var(--gray-200);
    border-left: 6px solid var(--primary);
    border-radius: 4px;
    padding: 28px 32px;
    margin: 28px 0;
  }
  .callout-quote {
    font-family: var(--display);
    font-style: italic;
    font-size: 19px;
    line-height: 1.5;
    color: var(--dark);
  }
  .callout-author {
    margin-top: 12px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-dark);
  }

  /* ===== FILE CARD ===== */
  .files {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin: 24px 0 8px;
  }
  .file-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    padding: 24px 24px 22px;
    transition: border-color 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
    position: relative;
  }
  .file-card:hover { border-color: var(--primary); }
  .file-num {
    position: absolute;
    top: 18px;
    right: 22px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--gray-300);
    letter-spacing: 0.08em;
  }
  .file-card.featured {
    background: #FBF3D9;
    border: 2px solid var(--gold);
  }
  .file-card.featured:hover { border-color: #A6883F; box-shadow: 0 4px 14px rgba(200,169,81,0.18); }
  .file-card.featured .file-num { color: #8A7032; }
  .file-card.featured .file-icon {
    background: rgba(200,169,81,0.20);
    color: #6B5829;
  }
  .file-card.featured .file-meta { color: #6B5829; }
  .file-icon {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    background: var(--primary-tint);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-weight: 700;
    font-size: 11px;
    margin-bottom: 14px;
  }
  .file-name {
    font-family: var(--display);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
    line-height: 1.25;
  }
  .file-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 10px;
  }
  .file-meta {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.05em;
    color: var(--primary-dark);
    text-transform: uppercase;
    font-weight: 600;
  }

  /* ===== TIMELINE ===== */
  .timeline {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin: 20px 0 32px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
  }
  .timeline-step {
    flex: 1;
    padding: 16px 14px;
    border-right: 1px solid var(--gray-200);
    text-align: center;
    background: #fff;
  }
  .timeline-step:last-child { border-right: none; }
  .timeline-step:nth-child(odd) { background: var(--gray-100); }
  .timeline-day {
    font-family: var(--display);
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 22px;
    margin-bottom: 4px;
  }
  .timeline-day-label {
    font-family: var(--body);
    font-size: 9.5px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-500);
    font-weight: 700;
    margin-bottom: 10px;
  }
  .timeline-action {
    font-size: 12px;
    line-height: 1.4;
    color: var(--gray-700);
  }

  /* ===== LADDER ===== */
  .ladder {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 24px 0 32px;
    padding: 24px;
    background: var(--dark);
    color: #fff;
    border-radius: 4px;
    justify-content: center;
  }
  .ladder-step {
    background: var(--primary-tint-strong);
    color: #fff;
    padding: 10px 18px;
    border-radius: 2px;
    font-family: var(--display);
    font-size: 17px;
    font-weight: 600;
    border: 1px solid var(--primary);
  }
  .ladder-arrow {
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
  }

  /* ===== LADDER SPOILER (inline) ===== */
  .ladder-spoiler {
    margin: 0 auto 32px;
    max-width: 1280px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    background: var(--cream);
    overflow: hidden;
  }
  .ladder-spoiler summary {
    cursor: pointer;
    padding: 16px 20px;
    font-family: var(--body);
    font-weight: 600;
    font-size: 16px;
    color: var(--primary-dark);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    user-select: none;
  }
  .ladder-spoiler summary::-webkit-details-marker { display: none; }
  .ladder-spoiler summary::before {
    content: "\25B8";
    color: var(--primary);
    transition: transform 0.2s ease;
    display: inline-block;
  }
  .ladder-spoiler[open] summary::before { transform: rotate(90deg); }
  .ladder-spoiler summary:hover { background: var(--primary-tint); }

  .ladder-inline {
    padding: 24px 24px 28px;
    border-top: 1px solid var(--gray-200);
    background: var(--cream);
  }
  .ladder-inline .ladder-sub {
    font-family: var(--display);
    font-style: italic;
    font-size: 17px;
    line-height: 1.4;
    color: var(--gray-700);
    margin-bottom: 22px;
    max-width: 820px;
  }
  .ladder-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
  }
  .lcard {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .lcard-head {
    padding: 18px 18px 14px;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
  }
  .lcard-head::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--primary);
  }
  .lcard-num {
    font-family: var(--display);
    font-weight: 700;
    font-size: 38px;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
  }
  .lcard-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 19px;
    color: var(--dark);
    line-height: 1.18;
    margin-bottom: 4px;
    letter-spacing: -0.005em;
  }
  .lcard-sub {
    font-family: var(--display);
    font-style: italic;
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.4;
  }
  .lcard-body {
    padding: 14px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
  }
  .lrow { display: flex; flex-direction: column; gap: 4px; }
  .lrow + .lrow {
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
  }
  .llabel {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
  }
  .lvalue {
    font-family: var(--body);
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--text);
  }
  .ladder-stairs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-top: 18px;
    align-items: end;
    height: 28px;
  }
  .lstair { background: var(--primary); border-radius: 2px; }
  .lstair.s1 { height: 6px;  opacity: 0.25; }
  .lstair.s2 { height: 11px; opacity: 0.45; }
  .lstair.s3 { height: 16px; opacity: 0.65; }
  .lstair.s4 { height: 22px; opacity: 0.85; }
  .lstair.s5 { height: 28px; opacity: 1; }
  .ladder-principle {
    font-family: var(--display);
    font-style: italic;
    font-size: 14px;
    color: var(--gray-500);
    margin: 16px auto 0;
    text-align: center;
    max-width: 780px;
  }
  @media (max-width: 1024px) {
    .ladder-grid, .ladder-stairs { grid-template-columns: repeat(2, 1fr); }
    .ladder-stairs { height: auto; }
  }
  @media (max-width: 600px) {
    .ladder-grid, .ladder-stairs { grid-template-columns: 1fr; }
  }

  /* ===== ROLES ===== */
  .roles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
  }
  .role-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    padding: 28px;
    border-top: 4px solid var(--primary);
  }
  .role-card.sergey { border-top-color: var(--accent); }
  .role-name {
    font-family: var(--display);
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
  }
  .role-domain {
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 16px;
  }
  .role-card.sergey .role-domain { color: var(--accent); }
  .role-list { list-style: none; padding: 0; }
  .role-list li {
    padding: 6px 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-700);
    border-bottom: 1px dotted var(--gray-200);
  }
  .role-list li:last-child { border-bottom: none; }

  /* ===== TRAFFIC LIGHT ===== */
  .traffic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
  }
  .traffic-card {
    padding: 22px 22px 24px;
    border-radius: 4px;
    color: #fff;
    line-height: 1.5;
  }
  .traffic-card.red { background: linear-gradient(160deg, #8E0B13, #661C22); }
  .traffic-card.yellow { background: linear-gradient(160deg, #C8A951, #A88735); }
  .traffic-card.green { background: linear-gradient(160deg, #00A287, #00876F); }
  .traffic-zone {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
  }
  .traffic-rule {
    font-size: 13.5px;
    opacity: 0.95;
  }

  /* ===== SKILLS GRID ===== */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 24px 0;
  }
  .skill-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    padding: 18px 22px;
    border-left: 4px solid var(--primary);
  }
  .skill-name {
    font-family: var(--display);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
  }
  .skill-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.45;
  }

  footer {
    background: var(--dark);
    color: rgba(255,255,255,0.6);
    padding: 14px 60px;
    margin-top: 0;
  }
  .footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
  }
  .footer-brand-line {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
  }
  footer .footer-brand {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.01em;
    line-height: 1;
  }
  .footer-event {
    font-family: var(--display);
    font-size: 15px;
    font-style: italic;
    color: rgba(255,255,255,0.85);
    line-height: 1;
  }
  .footer-date {
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
  }
  .footer-sep {
    color: rgba(255,255,255,0.25);
    font-size: 13px;
  }
  .footer-credits {
    font-family: var(--body);
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.05em;
  }
  @media (max-width: 760px) {
    footer { padding: 20px 28px; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  }

  .lead {
    font-size: 19px;
    line-height: 1.55;
    color: var(--gray-700);
    max-width: 760px;
    margin-bottom: 24px;
  }
  .divider-rule {
    height: 1px;
    background: var(--gray-200);
    margin: 48px 0;
    border: none;
  }

  @media (max-width: 860px) {
    .hero { padding: 36px 28px 28px; }
    main { padding: 0 28px 60px; }
    .section-banner { margin: 60px -28px 40px; padding: 36px 28px; }
    .toc { padding: 40px 28px; }
    .toc-grid { grid-template-columns: 1fr; }
    .step { grid-template-columns: 1fr; gap: 16px; }
    .step-meta { text-align: left; display: flex; align-items: baseline; gap: 16px; }
    .step-num { font-size: 42px; }
    .step-time { margin-top: 0; }
    .roles, .traffic, .skills-grid { grid-template-columns: 1fr; }
    .timeline { flex-direction: column; }
    .timeline-step { border-right: none; border-bottom: 1px solid var(--gray-200); }
    .ladder { flex-direction: column; align-items: stretch; }
    .ladder-arrow { transform: rotate(90deg); text-align: center; }
  }

  @media print {
    .toc { page-break-after: always; }
    .section-banner { page-break-before: always; }
    .step { page-break-inside: avoid; }
    body { background: #fff; }
  }

  /* ===== Portal additions ===== */
  .tab-bar {
    position: sticky; top: 0; z-index: 50;
    background: var(--cream);
    border-bottom: 1px solid var(--gray-200);
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 18px 60px;
  }
  .tab-bar button {
    font-family: var(--body); font-size: 15px; font-weight: 500; letter-spacing: 0.01em;
    padding: 11px 20px;
    background: transparent; border: none;
    border-radius: 8px;
    color: var(--text);
    cursor: pointer; white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease, font-weight 0.15s ease;
  }
  .tab-bar button:hover {
    background: var(--primary-tint);
    color: var(--primary-dark);
  }
  .tab-bar button.active {
    background: var(--primary);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,162,135,0.20);
  }
  .tab-bar button.active:hover {
    background: var(--primary-dark);
    color: #FFFFFF;
  }
  .tab-panel { display: none; }
  .tab-panel.active { display: block; }

  .pdf-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; margin: 48px 0 20px; flex-wrap: wrap;
  }
  .pdf-frame {
    width: 100%; height: 85vh; min-height: 600px;
    border: 1px solid var(--gray-200); border-radius: 4px;
    background: #fff;
  }
  .pdf-fallback {
    font-family: var(--body); font-size: 12px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--primary-dark);
    border: 1px solid var(--primary); border-radius: 2px;
    padding: 10px 18px; text-decoration: none;
  }
  .pdf-fallback:hover { background: var(--primary-tint); }

  .subnav {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin: 40px 0 8px; padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
  }
  .subnav a {
    font-family: var(--body); font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--primary-dark); text-decoration: none;
    padding: 6px 12px; background: var(--primary-tint); border-radius: 2px;
  }
  .practice-section {
    padding-top: 24px; border-top: 1px solid var(--gray-200);
    margin-top: 32px; scroll-margin-top: 80px;
  }

  .prog-list {
    border: 1px solid var(--gray-200); border-radius: 4px;
    overflow: hidden; margin: 16px 0 32px;
  }
  .prog-item {
    display: grid; grid-template-columns: 56px 1fr auto;
    gap: 20px; align-items: baseline;
    padding: 14px 22px;
    border-bottom: 1px solid var(--gray-200);
  }
  .prog-item:last-child { border-bottom: none; }
  .prog-item:nth-child(odd) { background: var(--gray-100); }
  .prog-num   { font-family: var(--display); font-size: 22px; font-weight: 800; color: var(--primary); }
  .prog-title { font-family: var(--display); font-size: 17px; font-weight: 600; color: var(--dark); }
  .prog-meta  { font-family: var(--mono); font-size: 11px; color: var(--gray-500); text-align: right; white-space: nowrap; }

  @media (max-width: 860px) {
    .tab-bar { padding: 10px 16px; }
    .prog-item { grid-template-columns: 40px 1fr; }
    .prog-meta { grid-column: 1 / -1; text-align: left; }
    .pdf-frame { height: 70vh; }
  }

  /* ===== PROMPT COPY BUTTON ===== */
  .prompt { position: relative; }
  .prompt-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,162,135,0.15);
    border: 1px solid rgba(0,162,135,0.45);
    color: var(--primary);
    font-family: var(--body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 5px 10px 5px 8px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    z-index: 2;
    user-select: none;
  }
  .prompt-copy:hover {
    background: rgba(0,162,135,0.28);
    border-color: var(--primary);
  }
  .prompt-copy:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }
  .prompt-copy.is-copied {
    background: var(--primary);
    border-color: var(--primary);
    color: #0A0A0A;
  }
  .prompt-copy-icon { width: 13px; height: 13px; flex-shrink: 0; }
  @media (max-width: 600px) {
    .prompt-copy { top: 8px; right: 8px; padding: 4px 7px; font-size: 10px; }
    .prompt-copy-text { display: none; }
  }

  /* ===== PREP BANNER (До Межмодуля — мягкий вариант с таймером) ===== */
  .prep-banner {
    margin: 80px -60px 48px;
    padding: 48px 60px 44px;
    background: var(--cream);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    position: relative;
  }
  .prep-banner::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 0;
    width: 4px;
    background: var(--primary);
  }
  .prep-banner-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
    max-width: 1080px;
    margin: 0 auto;
  }
  .prep-title {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.05;
    color: var(--dark);
    margin: 0 0 14px;
    letter-spacing: -0.02em;
  }
  .prep-lede {
    font-family: var(--display);
    font-style: italic;
    font-size: 20px;
    color: var(--primary-dark);
    margin: 0;
    max-width: 600px;
    line-height: 1.4;
  }
  .prep-countdown { text-align: right; }
  .prep-countdown-label {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 14px;
  }
  .prep-countdown-grid {
    display: flex;
    gap: 6px;
    align-items: baseline;
    justify-content: flex-end;
    margin-bottom: 10px;
  }
  .prep-time-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 58px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    padding: 10px 8px 8px;
  }
  .prep-time-num {
    font-family: var(--display);
    font-size: 38px;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
  }
  .prep-time-unit {
    font-family: var(--body);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-top: 6px;
  }
  .prep-time-sep {
    font-family: var(--display);
    font-size: 28px;
    color: var(--gray-300);
    line-height: 1;
    padding-bottom: 18px;
  }
  .prep-countdown-target {
    font-family: var(--body);
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 0.04em;
    font-weight: 500;
  }
  @media (max-width: 780px) {
    .prep-banner { margin: 60px -28px 32px; padding: 32px 28px; }
    .prep-banner-inner { grid-template-columns: 1fr; gap: 28px; }
    .prep-countdown { text-align: left; }
    .prep-countdown-grid { justify-content: flex-start; }
    .prep-time-num { font-size: 30px; }
    .prep-time-cell { min-width: 48px; }
  }

  /* ===== DOC PAGE — общая шапка для документ-страниц ===== */
  .doc-page { max-width: 1080px; margin: 0 auto; padding: 20px 0 60px; }
  .doc-head {
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 32px;
  }
  .doc-eyebrow {
    font-family: var(--body); font-size: 11px; font-weight: 700;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--gray-500); margin-bottom: 14px;
  }
  .doc-title {
    font-family: var(--display); font-weight: 700;
    font-size: clamp(32px, 4vw, 44px); color: var(--dark);
    margin: 0 0 10px; line-height: 1.1; letter-spacing: -0.01em;
  }
  .doc-title em { color: var(--primary); font-style: normal; }
  .doc-sub {
    font-family: var(--display); font-style: italic;
    font-size: 18px; color: var(--primary-dark);
    margin: 0; max-width: 720px;
  }
  .doc-download {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 18px; background: var(--primary);
    color: #fff !important; border-radius: 4px;
    font-family: var(--body); font-weight: 600; font-size: 13.5px;
    text-decoration: none;
    transition: background 0.15s ease;
    white-space: nowrap;
  }
  .doc-download:hover { background: var(--primary-dark); }
  .doc-download svg { width: 16px; height: 16px; }
  .doc-footer-note {
    margin-top: 40px; padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    font-size: 12px; color: var(--gray-500);
    font-style: italic; line-height: 1.5;
  }
  @media (max-width: 760px) {
    .doc-head { grid-template-columns: 1fr; gap: 18px; }
  }

  /* ===== СВЕТОФОР ===== */
  .zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .zone { background: #fff; border: 1px solid var(--gray-200); border-radius: 6px; padding: 24px 22px; }
  .zone-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--gray-200); }
  .zone-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
  .zone-dot.green  { background: #22C55E; }
  .zone-dot.yellow { background: #F59E0B; }
  .zone-dot.red    { background: #DC2626; }
  .zone-title { font-family: var(--display); font-weight: 700; font-size: 15px; color: var(--dark); letter-spacing: 0.02em; }
  .zone-intro { font-size: 13px; color: var(--gray-700); margin-bottom: 18px; line-height: 1.5; }
  .zone-list { list-style: none; padding: 0; margin: 0; }
  .zone-item { margin-bottom: 16px; }
  .zone-item:last-child { margin-bottom: 0; }
  .zone-item-name { font-family: var(--body); font-weight: 700; font-size: 13.5px; color: var(--dark); margin-bottom: 4px; }
  .zone-item-desc { font-size: 13px; color: var(--gray-700); line-height: 1.5; }
  @media (max-width: 900px) {
    .zones { grid-template-columns: 1fr; }
  }

  /* ===== КАРТА РЫНКА — 15 категорий ===== */
  .karta-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .karta-cat {
    background: #fff; border: 1px solid var(--gray-200); border-radius: 6px;
    padding: 18px 16px; display: flex; flex-direction: column;
    border-top: 3px solid var(--primary);
  }
  .karta-num {
    font-family: var(--mono); font-size: 10px; color: var(--gray-500);
    margin-bottom: 6px; letter-spacing: 0.08em;
  }
  .karta-name {
    font-family: var(--display); font-weight: 700; font-size: 17px;
    color: var(--dark); margin-bottom: 6px; line-height: 1.18;
  }
  .karta-tag {
    font-family: var(--body); font-size: 9px; font-weight: 700;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 14px;
  }
  .karta-tools { list-style: none; padding: 0; margin: 0; }
  .karta-tools li {
    font-family: var(--body); font-size: 13px; color: var(--text);
    padding: 4px 0 4px 12px; position: relative; line-height: 1.35;
  }
  .karta-tools li::before {
    content: '·'; position: absolute; left: 0; top: 4px;
    color: var(--primary); font-weight: 700; font-size: 16px;
  }
  @media (max-width: 1100px) {
    .karta-grid { grid-template-columns: repeat(3, 1fr); }
  }
  @media (max-width: 700px) {
    .karta-grid { grid-template-columns: repeat(2, 1fr); }
  }

  /* ===== СЛОВАРЬ ТЕРМИНОВ ===== */
  .slovar-section { margin-bottom: 44px; }
  .slovar-section:last-child { margin-bottom: 0; }
  .slovar-section-title {
    font-family: var(--display); font-weight: 700; font-size: 24px;
    color: var(--primary-dark); margin: 0 0 4px;
  }
  .slovar-section-sub {
    font-family: var(--display); font-style: italic;
    font-size: 14px; color: var(--gray-500); margin: 0 0 24px;
  }
  .slovar-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 36px; }
  .slovar-term { padding: 14px 0; border-top: 1px solid var(--gray-200); }
  .slovar-term-name {
    font-family: var(--display); font-weight: 700; font-size: 18px;
    color: var(--primary); margin-bottom: 8px;
  }
  .slovar-term-desc { font-size: 14px; line-height: 1.55; color: var(--text); }
  @media (max-width: 760px) {
    .slovar-grid { grid-template-columns: 1fr; gap: 4px; }
  }

  /* ===== ТЕХ ЧЕКЛИСТ ===== */
  .cheklist-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 36px; }
  .cheklist-step {
    display: grid; grid-template-columns: 44px 1fr;
    gap: 16px; padding: 22px 0; border-top: 1px solid var(--gray-200);
  }
  .cheklist-num {
    font-family: var(--display); font-weight: 700; font-size: 26px;
    color: var(--primary); line-height: 1;
  }
  .cheklist-step-title {
    font-family: var(--display); font-weight: 700; font-size: 18px;
    color: var(--dark); margin-bottom: 10px;
  }
  .cheklist-step-body { font-size: 14px; color: var(--gray-700); line-height: 1.55; }
  .cheklist-step-body ul { list-style: none; padding: 0; margin: 10px 0 0; }
  .cheklist-step-body li {
    padding: 4px 0 4px 18px; position: relative;
  }
  .cheklist-step-body li::before {
    content: '·'; position: absolute; left: 4px; top: 2px;
    color: var(--primary); font-size: 18px; font-weight: 700;
  }
  .cheklist-step-body strong { color: var(--dark); }
  .cheklist-step-body a { color: var(--primary-dark); }
  .cheklist-pay {
    background: var(--primary-tint); border-left: 3px solid var(--primary);
    padding: 14px 16px; border-radius: 0 4px 4px 0; margin-top: 12px;
    font-size: 13px; line-height: 1.55;
  }
  .cheklist-pay strong { display: block; margin-bottom: 4px; color: var(--primary-dark); }
  .cheklist-final {
    margin-top: 32px; background: #fff;
    border: 1px solid var(--gray-200); border-radius: 6px;
    padding: 24px 28px;
  }
  .cheklist-final-title {
    font-family: var(--display); font-weight: 700; font-size: 20px;
    color: var(--dark); margin-bottom: 16px;
  }
  .cheklist-final-list { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 36px; }
  .cheklist-final-list li {
    padding: 6px 0 6px 28px; position: relative; font-size: 14px;
    break-inside: avoid;
  }
  .cheklist-final-list li::before {
    content: '☐'; position: absolute; left: 0; top: 4px;
    color: var(--primary); font-size: 16px;
  }
  @media (max-width: 760px) {
    .cheklist-steps { grid-template-columns: 1fr; }
    .cheklist-final-list { columns: 1; }
  }

  /* ===== Кликабельные карточки 5 файлов ===== */
  .file-card a, a.file-card { color: inherit; text-decoration: none; display: block; }
  a.file-card {
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  }
  a.file-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0,162,135,0.10);
  }

  .karta-tools a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }
  .karta-tools a:hover { color: var(--primary-dark); }
  .karta-tools a::after {
    content: '↗';
    font-size: 10px;
    color: var(--gray-300);
    transition: color 0.15s ease;
  }
  .karta-tools a:hover::after { color: var(--primary); }

  /* ===== PROGRAMMA SIDEBAR (fixed слева, контент по центру как на остальных вкладках) ===== */
  #tab-programma.active { display: block; position: relative; }
  .prog-nav {
    position: fixed;
    top: 78px;
    left: 28px;
    width: 200px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding: 14px 0;
    font-family: var(--body);
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .prog-nav.is-visible {
    opacity: 1;
    pointer-events: auto;
  }
  .prog-nav-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-200);
  }
  .prog-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: prognav;
  }
  .prog-nav-list > li {
    counter-increment: prognav;
    margin: 0;
  }
  .prog-nav-list > li > a {
    display: block;
    padding: 7px 0 7px 30px;
    font-size: 13px;
    color: var(--gray-700);
    text-decoration: none;
    position: relative;
    line-height: 1.35;
    border-left: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  }
  .prog-nav-list > li > a::before {
    content: counter(prognav) ".";
    position: absolute;
    left: 10px;
    color: var(--gray-500);
    font-weight: 700;
  }
  .prog-nav-list > li > a:hover {
    color: var(--primary-dark);
    background: var(--primary-tint);
  }
  .prog-nav-list > li > a.active {
    color: var(--primary-dark);
    border-left-color: var(--primary);
    font-weight: 600;
    background: var(--primary-tint);
  }
  .prog-nav-list ol {
    list-style: none;
    padding: 0;
    margin: 2px 0 6px;
    counter-reset: prognavsub;
  }
  .prog-nav-list ol > li {
    counter-increment: prognavsub;
  }
  .prog-nav-list ol > li > a {
    display: block;
    padding: 5px 0 5px 46px;
    font-size: 12px;
    color: var(--gray-500);
    text-decoration: none;
    position: relative;
    line-height: 1.35;
    border-left: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
  }
  .prog-nav-list ol > li > a::before {
    content: counter(prognav) "." counter(prognavsub);
    position: absolute;
    left: 18px;
    color: var(--gray-300);
    font-weight: 600;
  }
  .prog-nav-list ol > li > a:hover {
    color: var(--primary-dark);
  }
  .prog-nav-list ol > li > a.active {
    color: var(--primary-dark);
    border-left-color: var(--primary);
    font-weight: 600;
  }
  .prog-content { min-width: 0; }

  @media (max-width: 1380px) {
    .prog-nav {
      position: static;
      width: auto;
      max-height: none;
      margin: 0 0 28px;
      padding: 16px 18px;
      background: var(--cream);
      border: 1px solid var(--gray-200);
      border-radius: 6px;
      opacity: 1;
      pointer-events: auto;
    }
  }

  /* ===== СВЕТОФОР — цветовая дифференциация зон ===== */
  .zone.zone-green {
    background: #F1FAF4;
    border-color: #CFE7D5;
    border-top: 4px solid #22C55E;
  }
  .zone.zone-yellow {
    background: #FDF6E3;
    border-color: #ECD9A8;
    border-top: 4px solid #D97706;
  }
  .zone.zone-red {
    background: #FBECEC;
    border-color: #ECC9CB;
    border-top: 4px solid #DC2626;
    box-shadow: 0 1px 3px rgba(220,38,38,0.05);
  }
  .zone.zone-green  .zone-title { color: #166534; }
  .zone.zone-yellow .zone-title { color: #854D0E; }
  .zone.zone-red    .zone-title { color: #991B1B; letter-spacing: 0.05em; }
  .zone.zone-green  .zone-header { border-bottom-color: #CFE7D5; }
  .zone.zone-yellow .zone-header { border-bottom-color: #ECD9A8; }
  .zone.zone-red    .zone-header { border-bottom-color: #ECC9CB; }
  .zone.zone-green  .zone-item-name { color: #166534; }
  .zone.zone-yellow .zone-item-name { color: #854D0E; }
  .zone.zone-red    .zone-item-name { color: #991B1B; }
  .zone.zone-green  .zone-intro,
  .zone.zone-yellow .zone-intro,
  .zone.zone-red    .zone-intro { color: var(--gray-700); }
  /* В красной — лёгкий пиктограммный предупреждающий маркер сверху */
  .zone.zone-red::before {
    content: "ВЫСОКИЙ РИСК";
    position: absolute;
    top: -10px; left: 22px;
    background: #DC2626; color: #fff;
    font-family: var(--body); font-size: 9px; font-weight: 700;
    letter-spacing: 0.18em;
    padding: 3px 8px;
    border-radius: 3px;
  }
  .zone { position: relative; }

  /* ===== PRAKTIKA — заголовок блока с метаданными и описанием ===== */
  .practice-section { scroll-margin-top: 80px; }
  .practice-head {
    margin-bottom: 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--gray-200);
  }
  .practice-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 14px;
  }
  .practice-step {
    background: var(--primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    letter-spacing: 0.14em;
  }
  .practice-meta-sep { color: var(--gray-300); font-weight: 400; }
  .practice-time, .practice-duration { font-family: var(--mono); letter-spacing: 0.05em; }
  .practice-speaker { color: var(--primary-dark); }
  .practice-head .h2 { margin-top: 0; margin-bottom: 18px; }
  .practice-summary {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 10px 28px;
    font-family: var(--body);
    line-height: 1.55;
    color: var(--text);
  }
  .practice-summary-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    align-self: start;
    margin-top: 3px;
  }
  .practice-summary-text { font-size: 14.5px; }
  @media (max-width: 760px) {
    .practice-summary { grid-template-columns: 1fr; gap: 4px; }
    .practice-summary-label { margin: 6px 0 2px; }
  }

  /* ===== PRAKTIKA — sticky навигация слева (как на Программе) ===== */
  #tab-praktika.active { display: block; position: relative; }
  .praktika-nav {
    position: fixed;
    top: 78px;
    left: 28px;
    width: 200px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding: 14px 0;
    font-family: var(--body);
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .praktika-nav.is-visible { opacity: 1; pointer-events: auto; }
  .praktika-nav-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-200);
  }
  .praktika-nav-list {
    list-style: none; padding: 0; margin: 0;
    counter-reset: praknav;
  }
  .praktika-nav-list > li { counter-increment: praknav; }
  .praktika-nav-list > li > a {
    display: block;
    padding: 7px 0 7px 30px;
    font-size: 13px;
    color: var(--gray-700);
    text-decoration: none;
    position: relative;
    line-height: 1.35;
    border-left: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  }
  .praktika-nav-list > li > a::before {
    content: counter(praknav) ".";
    position: absolute;
    left: 10px;
    color: var(--gray-500);
    font-weight: 700;
  }
  .praktika-nav-list > li > a:hover {
    color: var(--primary-dark);
    background: var(--primary-tint);
  }
  .praktika-nav-list > li > a.active {
    color: var(--primary-dark);
    border-left-color: var(--primary);
    font-weight: 600;
    background: var(--primary-tint);
  }
  @media (max-width: 1380px) {
    .praktika-nav {
      position: static;
      width: auto;
      max-height: none;
      margin: 0 0 28px;
      padding: 16px 18px;
      background: var(--cream);
      border: 1px solid var(--gray-200);
      border-radius: 6px;
      opacity: 1;
      pointer-events: auto;
    }
  }

  /* Praktika-nav: разделитель «Час 1 / Час 2» и пропуск счёта */
  .praktika-nav-list > li.praktika-nav-header {
    counter-increment: none;
    font-family: var(--body);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gray-500);
    padding: 16px 0 6px 12px;
    pointer-events: none;
  }
  .praktika-nav-list > li:not(.praktika-nav-header) {
    counter-increment: praknav;
  }

  /* ===== Praktika gate (parольный гейт) ===== */
  #tab-praktika.is-locked .praktika-nav,
  #tab-praktika.is-locked .practice-section { display: none !important; }
  #tab-praktika:not(.is-locked) .praktika-gate { display: none; }
  .praktika-gate {
    max-width: 540px;
    margin: 56px auto;
    padding: 44px 40px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: 0 4px 22px rgba(10,10,10,0.04);
    text-align: center;
  }
  .praktika-gate-eyebrow {
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 18px;
  }
  .praktika-gate-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 28px;
    line-height: 1.15;
    color: var(--dark);
    margin: 0 0 12px;
    letter-spacing: -0.01em;
  }
  .praktika-gate-sub {
    font-size: 14.5px;
    color: var(--gray-700);
    line-height: 1.5;
    margin: 0 0 24px;
  }
  .praktika-gate-form {
    display: flex;
    gap: 10px;
    max-width: 380px;
    margin: 0 auto;
  }
  .praktika-gate-form input {
    flex: 1;
    padding: 12px 14px;
    font-family: var(--mono);
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    background: var(--cream);
    color: var(--dark);
    outline: none;
    transition: border-color 0.15s ease, background 0.15s ease;
  }
  .praktika-gate-form input:focus { border-color: var(--primary); background: #fff; }
  .praktika-gate-form button {
    padding: 12px 22px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: var(--body);
    font-weight: 600;
    font-size: 13.5px;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background 0.15s ease;
  }
  .praktika-gate-form button:hover { background: var(--primary-dark); }
  .praktika-gate-error {
    margin: 14px 0 0;
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
  }
  .praktika-gate-note {
    margin: 22px 0 0;
    font-size: 11.5px;
    color: var(--gray-500);
    font-style: italic;
  }

  /* ===== Roles spoiler (внутри пункта про 6 скиллов) ===== */
  .roles-spoiler { margin-top: 10px; }
  .roles-spoiler summary {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px 6px 0;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 13.5px;
    list-style: none;
    user-select: none;
  }
  .roles-spoiler summary::-webkit-details-marker { display: none; }
  .roles-spoiler summary::before {
    content: '\25B8';
    color: var(--primary);
    transition: transform 0.2s ease;
  }
  .roles-spoiler[open] summary::before { transform: rotate(90deg); }
  .roles-spoiler summary:hover { color: var(--primary); }
  .roles-spoiler .skills-grid { margin-top: 12px; }

  /* ===== PRAKTIKA — разделитель часов ===== */
  .praktika-hour {
    margin: 56px 0 36px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--primary);
    scroll-margin-top: 80px;
  }
  .praktika-hour:first-of-type { margin-top: 12px; }
  .praktika-hour-label {
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
  }
  .praktika-hour-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 28px;
    line-height: 1.15;
    color: var(--dark);
    letter-spacing: -0.01em;
  }

  /* ===== STEP PREVIEW — компактная карточка-якорь со ссылкой на полную вкладку ===== */
  .step-preview {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    padding: 18px 22px;
    margin: 14px 0 18px;
    max-width: 760px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
  }
  .step-preview-content { min-width: 0; }
  .step-preview-label {
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 10px;
  }
  .step-preview-zones { display: flex; gap: 18px; flex-wrap: wrap; }
  .step-preview-zone {
    display: flex; align-items: center; gap: 8px;
    font-size: 13.5px;
    color: var(--text);
  }
  .step-preview-zone-dot {
    width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0;
  }
  .step-preview-zone-dot.green  { background: #22C55E; }
  .step-preview-zone-dot.yellow { background: #D97706; }
  .step-preview-zone-dot.red    { background: #DC2626; }
  .step-preview-stats {
    display: flex; gap: 22px; align-items: baseline;
    margin-bottom: 8px;
  }
  .step-preview-stat-num {
    font-family: var(--display);
    font-weight: 700;
    font-size: 24px;
    color: var(--primary);
    margin-right: 4px;
  }
  .step-preview-stat-label {
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 0.04em;
  }
  .step-preview-list {
    font-size: 12.5px;
    color: var(--gray-500);
    line-height: 1.45;
  }
  .step-preview-cta {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 18px;
    background: var(--primary);
    color: #fff !important;
    border-radius: 4px;
    font-family: var(--body);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: background 0.15s ease;
    white-space: nowrap;
  }
  .step-preview-cta:hover { background: var(--primary-dark); }
  @media (max-width: 760px) {
    .step-preview { grid-template-columns: 1fr; gap: 14px; }
    .step-preview-cta { justify-self: start; }
  }

  /* ===== LADDER TERMS — карточки понятий ===== */
  .ladder-terms {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 18px 0 6px;
  }
  .ladder-term {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-left: 3px solid var(--primary);
    border-radius: 0 6px 6px 0;
    padding: 16px 18px 18px;
  }
  .ladder-term-name {
    font-family: var(--display);
    font-weight: 700;
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: -0.005em;
  }
  .ladder-term-desc {
    font-size: 13.5px;
    color: var(--text);
    line-height: 1.5;
  }
  .ladder-term-desc em {
    color: var(--primary-dark);
    font-style: normal;
    font-weight: 600;
  }
  @media (max-width: 760px) {
    .ladder-terms { grid-template-columns: 1fr; }
  }

/* ===== A11Y — focus-visible на интерактивных элементах ===== */
.tab-bar button:focus-visible,
.prompt-copy:focus-visible,
.doc-download:focus-visible,
a.file-card:focus-visible,
.praktika-gate-form input:focus-visible,
.praktika-gate-form button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Visually-hidden — для screen-reader подсказок */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px; left: 8px;
  background: var(--primary); color: #fff;
  padding: 8px 14px;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--body); font-weight: 600;
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 8px; }


/* ===== ПАСХАЛКА — Шёпот ведущего после шага 18 ===== */
.whisper {
  max-width: 760px;
  margin: 48px 0 36px;
  padding: 30px 36px 32px;
  background: linear-gradient(135deg, rgba(0,162,135,0.04) 0%, rgba(200,169,81,0.06) 100%);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  position: relative;
}
.whisper::before {
  content: '\201C';
  position: absolute;
  top: -8px; left: 22px;
  font-family: var(--display);
  font-size: 72px;
  line-height: 1;
  color: var(--gold);
  opacity: 0.55;
}
.whisper-label {
  font-family: var(--body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8A7032;
  margin-bottom: 14px;
}
.whisper-text {
  font-family: var(--display);
  font-style: italic;
  font-size: 17px;
  line-height: 1.6;
  color: var(--gray-700);
}
.whisper-author {
  margin-top: 18px;
  font-family: var(--body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
}

/* ===== ПАСХАЛКА — Бегущая строка Claude'ов в подвале (бесшовный цикл) ===== */
.claude-marquee {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 8px 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0;
  line-height: 0;
}
.claude-marquee-track {
  display: inline-block;
  animation: claude-scroll 80s linear infinite;
  will-change: transform;
  vertical-align: middle;
}
.claude-marquee:hover .claude-marquee-track { animation-play-state: paused; }
@keyframes claude-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
/* 10 copies × 12 mascots = 120 total, track ≈ 6240px.
   Animation -50% = 5 groups (3120px) — identical content, seamless loop.
   Works up to viewport ≈ 3120px (max viewport for visible fill at end of animation). */

.claude-mascot {
  width: 30px;
  height: 28px;
  display: inline-block;
  vertical-align: middle;
  margin: 0 11px;
  image-rendering: pixelated;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
  transition: transform 0.3s ease;
}
.claude-mascot:hover { transform: translateY(-3px) rotate(-5deg); }