/* ================================================
       STEP 2: Design System — CSS Variables
       ================================================ */
    :root {
      /* Canvas */
      --bg-canvas:       #111113;
      --bg-page:         #0d0d0f;

      /* Text */
      --text-primary:    #f0f0f0;
      --text-secondary:  #9ca3af;
      --text-muted:      #6b7280;

      /* Border */
      --border:          rgba(255,255,255,0.08);

      /* Level colors */
      --color-entry:     #22c55e;   /* Junior/Start */
      --color-junior:    #0dcaf0;   /* Junior */
      --color-middle:    #3b82f6;   /* Middle */
      --color-senior:    #a855f7;   /* Senior */
      --color-lead:      #f59e0b;   /* Lead/Principal */
      --color-head:      #ef4444;   /* Head/VP */
      --color-cpo:       #eab308;   /* CPO */
      --color-branch:    #6b7280;   /* Side branches */
      --color-cta:       #f97316;   /* CTA blocks */
      --color-action:    #0d6efd;   /* Primary button */

      /* Gradients */
      --grad-ai:         linear-gradient(135deg, #7c3aed, #2563eb);
      --grad-abroad:     linear-gradient(135deg, #2563eb, #16a34a);
      --grad-founder:    linear-gradient(135deg, #f97316, #dc2626);

      /* Node */
      --node-bg:         rgba(255,255,255,0.04);
      --node-border:     rgba(255,255,255,0.10);
      --node-radius:     12px;
      --node-shadow:     0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);

      /* Typography */
      --font:            -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --font-mono:       "SF Mono", "JetBrains Mono", "Fira Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;

      /* Type scale */
      --fs-2xs:   9px;  /* caps badge, decorative ultra-label */
      --fs-xs:   11px;  /* tiny secondary info */
      --fs-sm:   12px;  /* secondary text, subtitles */
      --fs-md-sm: 13px; /* branch titles, small buttons */
      --fs-md:   14px;  /* body medium, panel info */
      --fs-mono: 15px;  /* monospace salary / inline code */
      --fs-base: 16px;  /* primary node title, body */
      --fs-lg:   18px;  /* section heading */
      --fs-xl:   22px;  /* page subheading */
      --fs-2xl:  28px;  /* page heading */
      --fs-3xl:  34px;  /* hero */

      /* Font weights */
      --fw-regular:   400;
      --fw-medium:    500;
      --fw-semibold:  600;
      --fw-bold:      700;
      --fw-extrabold: 800;

      /* Line heights */
      --lh-tight:   1.25;
      --lh-snug:    1.35;
      --lh-base:    1.5;
      --lh-relaxed: 1.65;

      /* Transitions */
      --trans-fast:      150ms ease-out;
      --trans-normal:    250ms ease-out;

      /* Promo banner height — default covers banner + safe area.
         JS overrides this. On iOS: env(safe-area-inset-top) ~47px + 44px content.
         On Android/desktop: 44px. Inline head script sets 0 for returning visitors. */
      --banner-h: 44px;
    }

    /* ================================================
       STEP 3: Reset + Base
       ================================================ */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html, body {
      width: 100%;
      height: 100%;
      overflow: hidden;
      background: var(--bg-page);
      font-family: var(--font);
      color: var(--text-primary);
      user-select: none;
      -webkit-user-select: none;
    }

    /* ================================================
       STEP 3: Viewport — clips everything
       ================================================ */
    #viewport {
      position: fixed;
      top: var(--banner-h, 0px);
      right: 0;
      bottom: 0;
      left: 0;
      overflow: hidden;
      cursor: grab;
      touch-action: none;
      transition: top 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    #viewport.dragging {
      cursor: grabbing;
    }

    /* ================================================
       STEP 3: Canvas — the infinite panning surface
       ================================================ */
    #canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 3000px;
      height: 2100px;
      transform-origin: 0 0;
      will-change: transform;
      /* transform set by JS */
      background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }

    /* ================================================
       STEP 6: SVG connections layer
       ================================================ */
    #connections {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      overflow: visible;
    }

    /* ================================================
       STEP 5: Nodes
       ================================================ */
    .node {
      position: absolute;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--node-radius);
      box-shadow: var(--node-shadow);
      padding: 16px 20px 16px 22px;
      min-width: 220px;
      cursor: pointer;
      transition: transform var(--trans-fast), box-shadow var(--trans-fast);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    /* Main career nodes — fixed width so the vertical line stays perfectly straight */
    .node:not(.branch):not(.input) {
      width: 220px;
    }

    .node:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.12);
    }

    /* Glowing border when mouse is hovering: only the border ring glows, no directional bleed */
    .node.glow-active {
      box-shadow: var(--node-shadow);
    }

    .node .node-accent {
      width: 3px;
      height: 60%;
      position: absolute;
      left: 0;
      top: 20%;
      border-radius: 0 2px 2px 0;
    }

    .node .node-title {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      line-height: 1.25;
      margin-left: 12px;
      letter-spacing: -0.01em;
    }

    .node .node-subtitle {
      font-size: 12px;
      color: rgba(255,255,255,0.70);
      margin-top: 3px;
      margin-left: 12px;
    }

    .node .node-salary {
      font-family: var(--font-mono);
      font-size: 15px;
      font-weight: 700;
      margin-top: 10px;
      margin-left: 12px;
      letter-spacing: -0.02em;
    }

    .node .node-salary-abroad {
      font-family: var(--font-mono);
      font-size: 11px;
      color: rgba(255,255,255,0.62);
      margin-top: 2px;
      margin-left: 12px;
    }

    /* Branch nodes (smaller, lighter) */
    .node.branch {
      min-width: 180px;
      padding: 11px 16px 11px 20px;
      background: rgba(255,255,255,0.03);
    }

    .node.branch .node-title {
      font-size: 13px;
      font-weight: 600;
    }

    .node.branch .node-salary {
      font-size: 12px;
    }

    /* Input nodes (entry paths) */
    .node.input {
      min-width: 160px;
      padding: 9px 14px 9px 18px;
      border-style: dashed;
      background: rgba(255,255,255,0.02);
    }

    .node.input .node-title {
      font-size: 13px;
      font-weight: 500;
      color: rgba(255,255,255,0.8);
    }

    .node.input .node-subtitle {
      font-size: 11px;
    }

    .node-roles-list {
      list-style: none;
      margin: 8px 0 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .node-roles-list li {
      display: flex;
      align-items: baseline;
      gap: 7px;
      font-size: 12px;
      line-height: 1.3;
    }

    .node-roles-list li::before {
      content: '';
      display: inline-block;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: currentColor;
      opacity: 0.5;
      flex-shrink: 0;
      margin-top: 4px;
    }

    .role-label {
      color: rgba(255,255,255,0.85);
      font-weight: 500;
      white-space: nowrap;
    }

    .role-note {
      color: rgba(255,255,255,0.38);
      font-size: 11px;
      white-space: nowrap;
    }

    /* --- Glowing Effect — border-only conic spotlight ------------------- */
    .glow-layer {
      pointer-events: none;
      position: absolute;
      /* Extend 2px outside the node: ring sits exactly on the border edge */
      inset: -2px;
      border-radius: calc(var(--node-radius) + 2px);
      z-index: 0;
      opacity: 0;
      transition: opacity 0.35s ease;
      /*
       * Conic spotlight: narrow ~80° arc centered at --glow-angle.
       * from = glow-angle - 40° so the gradient peak lands exactly at glow-angle.
       */
      background: conic-gradient(
        from calc(var(--glow-angle, -90deg) - 40deg),
        transparent  0deg,
        var(--glow-c3, rgba(255,255,255,0.08))  8deg,
        var(--glow-c2, rgba(255,255,255,0.35)) 22deg,
        var(--glow-c1, rgba(255,255,255,0.90)) 40deg,
        var(--glow-c2, rgba(255,255,255,0.35)) 58deg,
        var(--glow-c3, rgba(255,255,255,0.08)) 72deg,
        transparent 80deg,
        transparent 360deg
      );
      /* Donut mask: hide the content-box interior, leaving only the 2px ring */
      padding: 2px;
      -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
      mask-composite: exclude;
      /* Subtle bloom — small radius keeps glow localised to the card */
      filter: drop-shadow(0 0 4px var(--glow-c1, rgba(255,255,255,0.7)))
              drop-shadow(0 0 8px var(--glow-c2, rgba(255,255,255,0.4)));
    }

    /* Accent floating blocks */
    .accent-block {
      position: absolute;
      border-radius: 14px;
      padding: 18px 22px;
      color: #fff;
      width: 260px;
      box-shadow: 0 4px 24px rgba(0,0,0,0.5);
    }

    .accent-block .ab-label {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      opacity: 0.6;
      margin-bottom: 8px;
    }

    .accent-block .ab-title {
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .accent-block .ab-body {
      font-size: 12px;
      line-height: 1.55;
      opacity: 0.85;
    }

    .accent-block .ab-cta {
      display: block;
      margin-top: 12px;
      padding: 7px 14px;
      background: rgba(255,255,255,0.18);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 7px;
      font-size: 12px;
      font-weight: 600;
      color: #fff;
      text-decoration: none;
      text-align: center;
      transition: background var(--trans-fast), transform var(--trans-fast);
    }

    .accent-block .ab-cta:hover {
      background: rgba(255,255,255,0.30);
      transform: translateY(-1px);
    }

    /* ── Services panel (unified left block) ── */
    .services-panel {
      position: absolute;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(249,115,22,0.28);
      border-radius: 16px;
      padding: 20px 24px 22px;
      width: 460px;
      box-shadow: 0 4px 28px rgba(249,115,22,0.08);
    }

    .services-panel .sp-label {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(249,115,22,0.55);
      margin-bottom: 5px;
    }

    .services-panel .sp-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 16px;
      line-height: 1.2;
    }

    .services-panel .sp-list {
      display: flex;
      flex-direction: column;
    }

    .services-panel .sp-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .services-panel .sp-item:last-child {
      border-bottom: none;
    }

    .services-panel .sp-marker {
      font-size: 12px;
      color: var(--color-cta);
      flex-shrink: 0;
      margin-top: 1px;
      font-weight: 700;
    }

    .services-panel .sp-item-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 2px;
      line-height: 1.35;
    }

    .services-panel .sp-item-desc {
      font-size: 11px;
      color: var(--text-secondary);
      line-height: 1.45;
    }

    .services-panel .sp-cta {
      display: block;
      text-align: center;
      margin-top: 18px;
      padding: 10px 20px;
      background: var(--color-cta);
      color: #fff;
      border-radius: 9px;
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      transition: opacity var(--trans-fast);
    }

    .services-panel .sp-cta:hover {
      opacity: 0.88;
    }

    /* ── Individual service cards ── */
    .svc-header-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(249,115,22,0.22);
      border-radius: 10px;
      padding: 12px 18px;
    }

    .svc-cards-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      column-gap: 20px;
      row-gap: 16px;
    }

    .svc-header-card .svc-author-tag {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(249,115,22,0.65);
      margin-bottom: 4px;
    }

    .svc-header-card .svc-heading {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-primary);
      line-height: 1.2;
    }

    .svc-card {
      position: relative;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.09);
      border-top: 2px solid var(--color-cta);
      border-radius: 11px;
      padding: 13px 15px;
      cursor: pointer;
      transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
      box-shadow: 0 2px 10px rgba(0,0,0,0.28);
      display: flex;
      flex-direction: column;
    }

    .svc-card:hover {
      transform: translateY(-2px);
      border-color: rgba(249,115,22,0.55);
      box-shadow: 0 6px 22px rgba(249,115,22,0.13), 0 2px 10px rgba(0,0,0,0.4);
    }

    .svc-card .svc-num {
      font-size: 9px;
      font-weight: 700;
      color: var(--color-cta);
      margin-bottom: 5px;
      letter-spacing: 0.10em;
      text-transform: uppercase;
    }

    .svc-card .svc-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 5px;
      line-height: 1.35;
    }

    .svc-card .svc-desc {
      font-size: 11px;
      color: var(--text-secondary);
      line-height: 1.5;
      flex: 1;
      overflow: hidden;
    }

    /* ── Alt-track nodes: Indie, Валютная — accent-block style ── */
    #node-indie,
    #node-remote {
      border: none !important;
      box-shadow: 0 4px 24px rgba(0,0,0,0.5) !important;
      padding: 18px 22px !important;
      min-width: 430px !important;
      width: 430px !important;
    }

    #node-indie   { background: linear-gradient(135deg, #7c3aed, #4f46e5) !important; }
    #node-remote  { background: linear-gradient(135deg, #2563eb, #16a34a) !important; }

    #node-indie .node-accent,
    #node-remote .node-accent { display: none; }

    #node-indie .node-title,
    #node-remote .node-title {
      color: #fff !important;
      margin-left: 0 !important;
      font-size: 14px;
    }

    #node-indie .node-subtitle,
    #node-remote .node-subtitle {
      color: rgba(255,255,255,0.65) !important;
      margin-left: 0 !important;
    }

    #node-indie .node-salary,
    #node-remote .node-salary {
      color: rgba(255,255,255,0.9) !important;
      margin-left: 0 !important;
    }

    #node-indie .node-salary-abroad,
    #node-remote .node-salary-abroad {
      color: rgba(255,255,255,0.55) !important;
      margin-left: 0 !important;
    }

    .svc-cta-card a {
      display: block;
      text-align: center;
      padding: 11px 20px;
      background: var(--color-cta);
      color: #fff;
      border-radius: 9px;
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      transition: opacity var(--trans-fast), transform var(--trans-fast);
    }

    .svc-cta-card a:hover {
      opacity: 0.88;
      transform: translateY(-1px);
    }

    /* ── Alt tracks section label ── */
    .alt-track-label {
      position: absolute;
      padding: 9px 14px 9px 18px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.12);
      border-left: 3px solid rgba(255,255,255,0.28);
      border-radius: 8px;
    }

    .alt-track-label .atl-title {
      font-size: 11px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(255,255,255,0.55);
      margin-bottom: 3px;
    }

    .alt-track-label .atl-sub {
      font-size: 12px;
      color: rgba(255,255,255,0.60);
    }

    /* ── Section background containers ── */
    .svc-section-bg {
      position: absolute;
      background: rgba(249,115,22,0.04);
      border: 1px solid rgba(249,115,22,0.18);
      border-radius: 16px;
      display: flex;
      flex-direction: column;
      padding: 16px 8px;
      gap: 16px;
    }

    .alt-tracks-section-bg {
      position: absolute;
      background: rgba(255,255,255,0.02);
      border: 1px solid rgba(255,255,255,0.09);
      border-radius: 16px;
    }

    .right-branches-bg {
      position: absolute;
      background: rgba(255,255,255,0.015);
      border: 1px solid rgba(255,255,255,0.07);
      border-radius: 16px;
    }

    .right-branches-divider {
      position: absolute;
      border: none;
      border-top: 1px solid rgba(255,255,255,0.08);
      pointer-events: none;
    }

    .right-branches-group-label {
      position: absolute;
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(255,255,255,0.22);
      pointer-events: none;
    }

    /* ── Animated edge flow ─────────────────────────────────────────── */
    /* Positive dashoffset → 0 makes dashes flow forward (source→target) */
    @keyframes edge-flow-20 { from { stroke-dashoffset:  20; } to { stroke-dashoffset: 0; } }
    @keyframes edge-flow-15 { from { stroke-dashoffset:  15; } to { stroke-dashoffset: 0; } }

    /* Entry node pulse animation */
    @keyframes entry-pulse {
      0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.50), 0 2px 4px rgba(0,0,0,0.05), 0 4px 12px rgba(0,0,0,0.05); }
      70%  { box-shadow: 0 0 0 14px rgba(34, 197, 94, 0), 0 2px 4px rgba(0,0,0,0.05), 0 4px 12px rgba(0,0,0,0.05); }
      100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0), 0 2px 4px rgba(0,0,0,0.05), 0 4px 12px rgba(0,0,0,0.05); }
    }
    .node.pulse-entry {
      animation: entry-pulse 2.8s ease-out infinite;
    }

    /* CTA sidebar blocks (legacy, kept for compatibility) */
    .cta-block {
      position: absolute;
      background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(249,115,22,0.06));
      border: 1px solid rgba(249,115,22,0.30);
      border-radius: 14px;
      padding: 18px 20px;
      width: 260px;
      box-shadow: 0 4px 20px rgba(249,115,22,0.10);
    }

    .cta-block .cta-step {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(249,115,22,0.6);
      margin-bottom: 6px;
    }

    .cta-block .cta-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--color-cta);
      margin-bottom: 5px;
      line-height: 1.3;
    }

    .cta-block .cta-subtitle {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .cta-block ul {
      list-style: none;
      margin-bottom: 14px;
    }

    .cta-block ul li {
      font-size: 12px;
      color: var(--text-primary);
      padding: 4px 0;
      padding-left: 16px;
      position: relative;
      line-height: 1.4;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .cta-block ul li:last-child {
      border-bottom: none;
    }

    .cta-block ul li::before {
      content: '→';
      position: absolute;
      left: 0;
      color: var(--color-cta);
      font-size: 11px;
    }

    .cta-block .cta-btn {
      display: block;
      text-align: center;
      padding: 9px 16px;
      background: var(--color-cta);
      color: #fff;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      transition: opacity var(--trans-fast);
    }

    .cta-block .cta-btn:hover {
      opacity: 0.88;
    }

    /* Info block (stats block, left column) */
    .info-block {
      position: absolute;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.10);
      border-radius: 14px;
      padding: 20px 22px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }

    .info-block .ib-salary-grid {
      display: flex;
      gap: 14px;
      margin-bottom: 10px;
    }

    .info-block .ib-col {
      flex: 1;
      min-width: 0;
    }

    .info-block .ib-divider {
      height: 1px;
      background: rgba(255,255,255,0.08);
      margin: 10px 0;
    }

    .info-block .ib-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .info-block .ib-section {
      margin-bottom: 12px;
    }

    .info-block .ib-section:last-child {
      margin-bottom: 0;
    }

    .info-block .ib-label {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.10em;
      color: var(--text-muted);
      margin-bottom: 5px;
    }

    .info-block .ib-row {
      display: flex;
      align-items: baseline;
      gap: 8px;
      padding: 3px 0;
    }

    .info-block .ib-key {
      font-size: 11px;
      color: var(--text-secondary);
      flex-shrink: 0;
    }

    .info-block .ib-val {
      font-size: 11px;
      color: var(--text-primary);
      font-family: var(--font-mono);
    }

    .info-block .ib-note {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 10px;
      line-height: 1.5;
      font-style: italic;
    }

    /* ================================================
       STEP 8: Tooltip
       ================================================ */
    #tooltip {
      position: fixed;
      z-index: 1000;
      max-width: 280px;
      background: rgba(20, 20, 24, 0.97);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 10px;
      padding: 12px 14px;
      font-size: 13px;
      line-height: 1.55;
      color: var(--text-primary);
      box-shadow: 0 8px 32px rgba(0,0,0,0.6);
      pointer-events: none;
      opacity: 0;
      transform: translateY(4px);
      transition: opacity var(--trans-fast), transform var(--trans-fast);
    }

    #tooltip.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ================================================
       STEP 8: Side Panel
       ================================================ */
    #side-panel {
      position: fixed;
      top: var(--banner-h, 0px);
      right: -380px;
      width: 360px;
      height: calc(100% - var(--banner-h, 0px));
      background: rgba(16, 16, 20, 0.96);
      border-left: 1px solid var(--border);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      padding: 28px 24px;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      overscroll-behavior: contain;
      user-select: text;
      -webkit-user-select: text;
      z-index: 500;
      transition: right 0.3s ease-out, transform 0.3s ease-out,
                  top 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                  height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: -8px 0 40px rgba(0,0,0,0.5);
    }

    #side-panel.open {
      right: 0;
    }

    #side-panel .sp-close {
      position: absolute;
      top: 16px;
      right: 16px;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: 8px;
      cursor: pointer;
      color: var(--text-secondary);
      font-size: 18px;
      background: none;
      transition: background var(--trans-fast), color var(--trans-fast);
    }

    #side-panel .sp-close:hover {
      background: rgba(255,255,255,0.06);
      color: var(--text-primary);
    }

    #side-panel .sp-level-badge {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 20px;
      font-size: 11px;
      font-weight: 600;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    #side-panel .sp-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 4px;
      line-height: 1.2;
    }

    #side-panel .sp-exp {
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 20px;
    }

    #side-panel .sp-section-title {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-muted);
      margin: 18px 0 8px;
    }

    #side-panel .sp-salary-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px solid var(--border);
    }

    #side-panel .sp-salary-row:last-child {
      border-bottom: none;
    }

    #side-panel .sp-salary-label {
      font-size: 12px;
      color: var(--text-secondary);
    }

    #side-panel .sp-salary-value {
      font-family: var(--font-mono);
      font-size: 13px;
      font-weight: 600;
    }

    #side-panel .sp-skills {
      list-style: none;
    }

    #side-panel .sp-skills li {
      font-size: 13px;
      color: var(--text-primary);
      padding: 5px 0;
      padding-left: 16px;
      position: relative;
      line-height: 1.4;
      border-bottom: 1px solid var(--border);
    }

    #side-panel .sp-skills li:last-child {
      border-bottom: none;
    }

    #side-panel .sp-skills li::before {
      content: '·';
      position: absolute;
      left: 4px;
      color: var(--text-muted);
    }

    #side-panel .sp-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ================================================
       STEP 10: Controls panel
       ================================================ */
    #controls {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .ctrl-btn {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(28, 28, 34, 0.95);
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 0;
      cursor: pointer;
      color: #d4d4d4;
      font-size: 18px;
      font-weight: 300;
      transition: background var(--trans-fast), color var(--trans-fast);
      box-shadow: 0 2px 16px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
      line-height: 1;
      text-align: center;
    }

    #controls .ctrl-btn:first-child {
      border-radius: 9px 9px 0 0;
    }

    #controls .ctrl-btn:last-child {
      border-radius: 0 0 9px 9px;
    }

    #controls .ctrl-btn + .ctrl-btn {
      border-top: none;
    }

    .ctrl-btn:hover {
      background: rgba(50, 50, 62, 0.98);
      color: #ffffff;
      border-color: rgba(255,255,255,0.35);
    }

    .ctrl-btn.fit {
      font-size: 12px;
      font-weight: 600;
      font-family: var(--font);
    }

    /* ================================================
       STEP 10: Zoom indicator
       ================================================ */
    #zoom-indicator {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 9999;
      background: rgba(20, 20, 24, 0.88);
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 20px;
      padding: 5px 12px;
      font-size: 11px;
      font-weight: 600;
      color: var(--text-secondary);
      font-family: var(--font-mono);
      pointer-events: none;
      opacity: 0;
      transition: opacity 0.3s;
      letter-spacing: 0.04em;
    }

    #zoom-indicator.visible {
      opacity: 1;
    }

    /* ================================================
       Header label
       ================================================ */
    #map-label {
      position: fixed;
      top: calc(16px + var(--banner-h, 0px));
      left: 50%;
      transform: translateX(-50%);
      z-index: 200;
      text-align: center;
      pointer-events: all;
      background: rgba(13,13,15,0.55);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      padding: 8px 22px 10px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,0.07);
      max-width: calc(100vw - 32px);
      transition: top 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    #map-label h1 {
      font-size: 18px;
      font-weight: 700;
      color: #f0f0f0;
      letter-spacing: 0.02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: calc(100vw - 80px);
    }

    #map-label p {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* ================================================
       Grade legend (bottom-left)
       ================================================ */
    #grade-legend {
      position: fixed;
      bottom: 24px;
      left: 24px;
      z-index: 200;
      background: rgba(20, 20, 24, 0.92);
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 10px;
      padding: 11px 14px;
      box-shadow: 0 2px 16px rgba(0,0,0,0.55);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      pointer-events: all;
    }

    .legend-title {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.10em;
      color: var(--text-muted);
      margin-bottom: 7px;
    }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: 11px;
      color: var(--text-secondary);
      padding: 2px 6px;
      margin: 0 -6px;
      border-radius: 4px;
      cursor: pointer;
      transition: background var(--trans-fast), opacity var(--trans-fast);
    }

    .legend-item:hover {
      background: rgba(255,255,255,0.07);
    }

    .legend-item.active {
      background: rgba(255,255,255,0.12);
      color: var(--text-primary);
    }

    .legend-item.dimmed {
      opacity: 0.35;
    }

    .legend-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    /* "Подробнее" button inside main nodes */
    .node-details-btn {
      display: inline-block;
      margin-top: 10px;
      margin-left: 12px;
      padding: 4px 10px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 6px;
      color: rgba(255,255,255,0.55);
      font-size: 11px;
      font-weight: 500;
      cursor: pointer;
      font-family: var(--font);
      pointer-events: auto;
      transition: background var(--trans-fast), color var(--trans-fast);
    }

    .node:hover .node-details-btn {
      background: rgba(255,255,255,0.13);
      color: rgba(255,255,255,0.9);
    }

    /* Right-column branch cards — fixed equal width */
    #node-delivery, #node-pmm, #node-uxlead,
    #node-datalead, #node-advisor, #node-fractional,
    #node-founder, #node-growth-pm, #node-ai-pm,
    #node-b2b-pm, #node-vc-investor, #node-product-ops {
      width: 240px;
    }

    /* Right-column section headers — clearly NOT a card, pure label */
    .right-col-header {
      position: absolute;
      pointer-events: none;
      width: 230px;
    }
    .right-col-header .rch-label {
      display: block;
      font-size: 9px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: rgba(255,255,255,0.32);
      padding-bottom: 5px;
      border-bottom: 1px solid rgba(255,255,255,0.10);
    }
    .right-col-header .rch-sub {
      display: block;
      font-size: 9px;
      color: rgba(255,255,255,0.18);
      margin-top: 4px;
      line-height: 1.4;
    }

    /* Branch nodes — corner arrow icon hinting sidebar can be opened */
    .node.branch:not(#node-indie):not(#node-remote)::after {
      content: '';
      position: absolute;
      right: 10px;
      bottom: 10px;
      width: 14px;
      height: 14px;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8 L11 8 M8 5 L11 8 L8 11' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-size: contain;
      opacity: 0.18;
      transition: opacity var(--trans-fast);
      pointer-events: none;
    }

    .node.branch:not(#node-indie):not(#node-remote):hover::after {
      opacity: 0.55;
    }

    /* Gradient branch nodes — pill button absolutely positioned to vertical center-right */
    #node-indie,
    #node-remote {
      padding-right: 120px !important;
    }

    #node-indie .node-details-btn,
    #node-remote .node-details-btn {
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      margin: 0;
      padding: 8px 16px;
      border-radius: 20px;
      background: rgba(255,255,255,0.14);
      border: 1px solid rgba(255,255,255,0.32) !important;
      color: rgba(255,255,255,0.8);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.01em;
      white-space: nowrap;
      pointer-events: auto;
      transition: background var(--trans-fast), color var(--trans-fast), border-color var(--trans-fast);
    }

    #node-indie:hover .node-details-btn,
    #node-remote:hover .node-details-btn {
      background: rgba(255,255,255,0.26);
      border-color: rgba(255,255,255,0.55) !important;
      color: #fff;
    }

    /* ================================================
       Pulse hint — Junior PM onboarding
       ================================================ */
    @keyframes pulse-ring {
      0%   { box-shadow: var(--node-shadow), 0 0 0 0   rgba(34,197,94,0); }
      50%  { box-shadow: var(--node-shadow), 0 0 0 10px rgba(34,197,94,0.25); }
      100% { box-shadow: var(--node-shadow), 0 0 0 0   rgba(34,197,94,0); }
    }

    #node-entry.pulse-hint {
      animation: pulse-ring 2.2s ease-in-out 3;
    }

    /* ================================================
       Branch arrow icon — base opacity boost
       ================================================ */
    .node.branch:not(#node-indie):not(#node-remote)::after {
      opacity: 0.30;
    }

    /* ================================================
       Mobile: slide-up side panel
       ================================================ */
    @media (max-width: 600px) {
      #side-panel {
        right: auto !important;
        left: 0;
        bottom: -75%;
        top: auto;
        width: 100%;
        height: 70vh;
        padding: 20px 16px 24px;
        border-left: none;
        border-top: 1px solid var(--border);
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -8px 40px rgba(0,0,0,0.5);
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        transition: bottom 0.3s ease-out, transform 0.3s ease-out;
      }

      #side-panel.open {
        bottom: 0;
      }

      /* Drag handle hint */
      #side-panel::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        border-radius: 2px;
        background: rgba(255,255,255,0.18);
        margin: 0 auto 16px;
      }

      #grade-legend {
        bottom: 12px;
        left: 8px;
        padding: 8px 10px;
      }

      .legend-title {
        font-size: 9px;
        margin-bottom: 5px;
      }

      .legend-item {
        font-size: 11px;
        padding: 1px 5px;
        gap: 5px;
      }

      .legend-dot {
        width: 7px;
        height: 7px;
      }

      body.panel-open #grade-legend {
        display: none;
      }

      #controls {
        bottom: 16px;
        right: 12px;
      }

      #map-label h1 {
        font-size: 14px;
      }

      #map-label p {
        display: none;
      }
    }

    /* ================================================
       Left Navigation — shared across pages
       ================================================ */

    :root {
      --nav-width: 220px;
    }

    .left-nav {
      position: fixed;
      top: var(--banner-h, 0px);
      left: 0;
      width: var(--nav-width);
      height: calc(100% - var(--banner-h, 0px));
      background: rgba(13, 13, 15, 0.98);
      border-right: 1px solid var(--border);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      z-index: 1100;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: top 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                  height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .left-nav-brand {
      padding: 20px 16px 16px;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
    }

    .left-nav-brand-name {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.01em;
    }

    .left-nav-brand-sub {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    .left-nav-section-label {
      font-size: 9px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--text-muted);
      padding: 14px 16px 6px;
      flex-shrink: 0;
    }

    .left-nav-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 9px 16px;
      font-size: 13px;
      color: var(--text-secondary);
      text-decoration: none;
      cursor: pointer;
      transition: background var(--trans-fast), color var(--trans-fast);
      position: relative;
      flex-shrink: 0;
    }

    .left-nav-item:hover {
      background: rgba(255,255,255,0.05);
      color: var(--text-primary);
    }

    .left-nav-item.active {
      color: var(--text-primary);
      background: rgba(255,255,255,0.07);
    }

    .left-nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 2px;
      border-radius: 0 2px 2px 0;
      background: var(--color-cta);
    }

    .left-nav-icon {
      width: 15px;
      height: 15px;
      opacity: 0.55;
      flex-shrink: 0;
    }

    .left-nav-item.active .left-nav-icon {
      opacity: 1;
    }

    /* Module anchor links in vibecoding nav */
    .left-nav-modules {
      flex: 1;
      overflow-y: auto;
      padding: 4px 0 16px;
      scrollbar-width: none;
    }

    .left-nav-modules::-webkit-scrollbar {
      display: none;
    }

    .left-nav-module {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      padding: 7px 14px 7px 22px;
      font-size: 11px;
      color: var(--text-muted);
      text-decoration: none;
      cursor: pointer;
      transition: color var(--trans-fast), background var(--trans-fast);
      line-height: 1.35;
    }

    .left-nav-module:hover {
      color: var(--text-secondary);
      background: rgba(255,255,255,0.04);
    }

    .left-nav-module.active {
      color: var(--text-primary);
    }

    .left-nav-module-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 3px;
      opacity: 0.5;
      transition: opacity var(--trans-fast);
    }

    .left-nav-module.active .left-nav-module-dot {
      opacity: 1;
    }

    /* Nav footer CTA */
    .left-nav-footer {
      padding: 12px 16px;
      border-top: 1px solid var(--border);
      flex-shrink: 0;
    }

    .left-nav-cta {
      display: block;
      text-align: center;
      padding: 9px 12px;
      background: rgba(249, 115, 22, 0.12);
      border: 1px solid rgba(249, 115, 22, 0.28);
      border-radius: 8px;
      color: #f97316;
      font-size: 12px;
      font-weight: 600;
      text-decoration: none;
      transition: background var(--trans-fast), border-color var(--trans-fast);
    }

    .left-nav-cta:hover {
      background: rgba(249, 115, 22, 0.22);
      border-color: rgba(249, 115, 22, 0.5);
    }

    /* Mobile hamburger */
    .nav-toggle {
      display: none;
      position: fixed;
      top: calc(16px + var(--banner-h, 0px));
      left: 12px;
      z-index: 1200;
      transition: top 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      width: 36px;
      height: 36px;
      background: rgba(13,13,15,0.92);
      border: 1px solid var(--border);
      border-radius: 8px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 4px;
      transition: background var(--trans-fast);
    }

    .nav-toggle span {
      display: block;
      width: 16px;
      height: 1.5px;
      background: var(--text-secondary);
      border-radius: 1px;
      transition: transform 0.2s, opacity 0.2s;
    }

    .nav-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

    .nav-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.55);
      z-index: 1050;
    }

    .nav-overlay.open {
      display: block;
    }

    /* Adjust fixed elements when nav is present (desktop) */
    body.has-nav #grade-legend {
      left: calc(var(--nav-width) + 24px);
    }

    body.has-nav #map-label {
      left: calc(50% + var(--nav-width) / 2);
    }

    body.has-nav #zoom-indicator {
      left: calc(50% + var(--nav-width) / 2);
    }

/* -----------------------------------------------
   Left-nav: mobile responsive
   ----------------------------------------------- */
@media (max-width: 768px) {
  .left-nav {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                top 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .left-nav.open {
    transform: translateX(0);
  }

  /* Push brand header past the hamburger toggle (left:12px + width:36px + 8px gap) */
  .left-nav-brand {
    padding-left: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  /* On mobile, nav never shifts fixed elements (it overlays) */
  body.has-nav #grade-legend {
    left: 24px;
  }

  body.has-nav #map-label {
    left: 50%;
  }

  body.has-nav #zoom-indicator {
    left: 50%;
  }
}


/* ============================================================
   EXIT-INTENT LEAD MAGNET MODAL
   (shared across all pages — stays in base styles.css)
   ============================================================ */
.exit-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
  padding: 24px;
}

.exit-modal-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.exit-modal-card {
  position: relative;
  background: #1e2027;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 20px;
  padding: 40px 36px 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.05);
  transform: translateY(20px);
  transition: transform 0.28s ease;
}

.exit-modal-overlay.is-open .exit-modal-card {
  transform: translateY(0);
}

.exit-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-secondary, #6C757D);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.exit-modal-close:hover {
  color: var(--text-primary, #fff);
  background: rgba(255, 255, 255, 0.07);
}

.exit-modal-badge {
  display: inline-block;
  background: rgba(249, 115, 22, 0.18);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.35);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.exit-modal-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary, #fff);
  margin: 0 0 10px;
  line-height: 1.25;
}

.exit-modal-sub {
  font-size: 15px;
  color: var(--text-secondary, rgba(255,255,255,0.65));
  margin: 0 0 12px;
  line-height: 1.5;
}

.exit-modal-sub strong {
  color: var(--text-primary, #fff);
  font-weight: 600;
}

.exit-modal-desc {
  font-size: 13px;
  color: var(--text-secondary, rgba(255,255,255,0.50));
  margin: 0 0 28px;
  line-height: 1.55;
}

.exit-modal-cta {
  display: block;
  width: 100%;
  padding: 14px 20px;
  background: #f97316;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.18s ease, transform 0.15s ease;
  margin-bottom: 12px;
}

.exit-modal-cta:hover {
  background: #ea6d0e;
  transform: translateY(-1px);
}

.exit-modal-cta:active {
  transform: translateY(0);
}

.exit-modal-hint {
  font-size: 12px;
  color: var(--text-secondary, rgba(255,255,255,0.35));
  text-align: center;
  margin: 0;
}

/* Light theme overrides */
body.theme-light .exit-modal-card {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0,0,0,0.06);
}

body.theme-light .exit-modal-close {
  color: #8A8A8E;
}

body.theme-light .exit-modal-close:hover {
  color: #1A1A1A;
  background: rgba(0, 0, 0, 0.05);
}

body.theme-light .exit-modal-title {
  color: #1A1A1A;
}

body.theme-light .exit-modal-sub {
  color: #444444;
}

body.theme-light .exit-modal-sub strong {
  color: #1A1A1A;
}

body.theme-light .exit-modal-desc {
  color: #8A8A8E;
}

body.theme-light .exit-modal-hint {
  color: #AEAEB2;
}

/* Mobile */
@media (max-width: 480px) {
  .exit-modal-card {
    padding: 32px 24px 28px;
    border-radius: 16px;
  }

  .exit-modal-title {
    font-size: 22px;
  }
}

/* ================================================
   Promo Banner — announcement bar
   ================================================ */

.promo-banner {
  position: fixed;
  /* Start below the iOS notch/Dynamic Island safe area */
  top: env(safe-area-inset-top, 0px);
  left: 0;
  right: 0;
  z-index: 9500;
  overflow: hidden;
  /* Large enough max-height so text can wrap on mobile without clipping */
  max-height: 100px;
  opacity: 1;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
  /* Uniform mid-dark orange — avoids dark edges that break text legibility */
  background: #c2410c;
  background-image: linear-gradient(90deg,
    rgba(0,0,0,0.35) 0%,
    rgba(0,0,0,0.10) 20%,
    transparent 40%,
    transparent 60%,
    rgba(0,0,0,0.10) 80%,
    rgba(0,0,0,0.35) 100%
  );
  box-shadow: 0 2px 12px rgba(194,65,12,0.40);
  /* Force system font stack so it always matches the rest of the UI */
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: promo-glow 3.5s ease-in-out infinite;
}

.promo-banner.hidden {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

/* Moving shimmer sweep */
.promo-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.06) 45%,
    rgba(255,255,255,0.12) 50%,
    rgba(255,255,255,0.06) 55%,
    transparent 70%
  );
  animation: promo-shimmer 5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes promo-shimmer {
  0%   { transform: translateX(-120%); }
  60%  { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}

@keyframes promo-glow {
  0%, 100% { box-shadow: 0 2px 12px rgba(194,65,12,0.40); }
  50%       { box-shadow: 0 3px 20px rgba(249,115,22,0.55); }
}

.promo-banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  min-height: 44px;
  padding: 8px 52px 8px 16px; /* right padding for close btn */
}

.promo-banner-content {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.30);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  white-space: nowrap;
  flex-shrink: 0;
  animation: promo-badge-pulse 3s ease-in-out infinite;
}

@keyframes promo-badge-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.80; }
}

.promo-text {
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font);
  color: #fff;
  white-space: normal;
  line-height: 1.35;
  text-rendering: optimizeLegibility;
}

.promo-cta {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: #fff;
  color: #9a3412;
  /* Matches project button style — not a pill */
  border-radius: 7px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.15s ease;
  animation: promo-cta-float 2.8s ease-in-out infinite;
}

@keyframes promo-cta-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-2px); }
}

.promo-cta:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 5px 16px rgba(0,0,0,0.22);
  background: #fff7f5;
  animation-play-state: paused;
}

.promo-close {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 6px;
  color: rgba(255,255,255,0.80);
  cursor: pointer;
  font-family: var(--font);
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease;
  z-index: 2;
}

.promo-close:hover {
  background: rgba(0,0,0,0.30);
  color: #fff;
}

/* Light theme — same structure, slightly warmer shade */
body.theme-light .promo-banner {
  background: #c2410c;
  background-image: linear-gradient(90deg,
    rgba(0,0,0,0.25) 0%,
    rgba(0,0,0,0.05) 20%,
    transparent 40%,
    transparent 60%,
    rgba(0,0,0,0.05) 80%,
    rgba(0,0,0,0.25) 100%
  );
}

/* ── Mobile responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .promo-banner-inner {
    padding: 7px 46px 7px 12px;
    gap: 8px 10px;
  }

  .promo-badge {
    display: none;
  }

  .promo-text {
    font-size: 12px;
  }

  .promo-cta {
    font-size: 11px;
    padding: 5px 12px;
  }
}

@media (max-width: 480px) {
  .promo-banner-inner {
    /* Stack text above CTA on very small screens */
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 8px 44px 8px 12px;
    min-height: 48px;
  }

  .promo-text {
    font-size: 12px;
  }

  .promo-cta {
    font-size: 11px;
    padding: 4px 11px;
  }
}

/* ============================================================
   THEME TOGGLE BUTTON + LIGHT THEME
   Shared across all pages — moved from guide.css
   ============================================================ */
    .theme-toggle-btn {
      display: flex;
      align-items: center;
      gap: 7px;
      width: 100%;
      margin-top: 10px;
      padding: 5px 0 0;
      background: none;
      border: none;
      border-top: 1px solid var(--border);
      font-family: var(--font);
      font-size: 11px;
      color: var(--text-muted);
      cursor: pointer;
      text-align: left;
      transition: color var(--trans-fast);
    }

    .theme-toggle-btn:hover {
      color: var(--text-secondary);
    }

    .theme-toggle-icon {
      width: 13px;
      height: 13px;
      opacity: 0.45;
      flex-shrink: 0;
      transition: opacity var(--trans-fast);
    }

    .theme-toggle-btn:hover .theme-toggle-icon {
      opacity: 0.65;
    }

    /* ── 1. CSS Variables — Warm Paper palette ── */
    body.theme-light {
      /* Warm neutral base — not cold grey, not sterile white */
      --bg-canvas:      #ECEAE6;
      --bg-page:        #F4F2EE;
      --text-primary:   #1A1A1A;
      --text-secondary: #444444;
      --text-muted:     #8A8A8E;
      --border:         rgba(0,0,0,0.09);
      --node-bg:        #FFFFFF;
      --node-border:    rgba(0,0,0,0.10);
      /* Lifted card shadow — realistic, warm undertone */
      --node-shadow:    0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.06);
      background:       var(--bg-page);
      color:            var(--text-primary);
    }

    /* ── 2. Canvas — warm dot grid, subtle texture ── */
    body.theme-light #viewport {
      background: #ECEAE6;
    }

    body.theme-light #canvas {
      background-image: radial-gradient(circle, rgba(0,0,0,0.10) 1px, transparent 1px);
      background-size: 28px 28px;
      background-color: #ECEAE6;
    }

    /* ── 3. Nodes — white cards with warm elevation ── */
    body.theme-light .node {
      background:   #FFFFFF;
      border-color: rgba(0,0,0,0.09);
      /* Warm bottom shadow — cards float above canvas */
      box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.06);
      backdrop-filter: none;
    }

    body.theme-light .node:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 8px rgba(0,0,0,0.08), 0 12px 32px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.09);
    }

    /* Readable text on white cards */
    body.theme-light .node .node-title         { color: #1A1A1A; }
    body.theme-light .node .node-subtitle      { color: #666668; }
    body.theme-light .node .node-salary        { color: inherit; } /* keeps level color */
    body.theme-light .node .node-salary-abroad { color: #8A8A8E; }

    /* Branch nodes */
    body.theme-light .node.branch {
      background: #FAFAF8;
      border-color: rgba(0,0,0,0.08);
    }

    /* Input (from-roles) node */
    body.theme-light .node.input {
      background:   #F7F5F1;
      border-color: rgba(0,0,0,0.09);
    }
    body.theme-light .node.input .node-title { color: #3A3A3C; }

    body.theme-light .role-label { color: #3A3A3C; font-weight: 500; }
    body.theme-light .role-note  { color: #8A8A8E; }

    /* ── 4. Node "Подробнее" button ── */
    body.theme-light .node-details-btn {
      background:   rgba(0,0,0,0.055);
      border-color: rgba(0,0,0,0.14);
      color:        #444444;
    }

    body.theme-light .node:hover .node-details-btn {
      background:   rgba(0,0,0,0.10);
      border-color: rgba(0,0,0,0.20);
      color:        #1A1A1A;
    }

    /* ── 5. Branch arrow icon — dark stroke ── */
    body.theme-light .node.branch:not(#node-indie):not(#node-remote)::after {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8 L11 8 M8 5 L11 8 L8 11' stroke='%23555555' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      opacity: 0.30;
    }

    body.theme-light .node.branch:not(#node-indie):not(#node-remote):hover::after {
      opacity: 0.65;
    }

    /* ── 6. Right-column section headers ── */
    body.theme-light .right-col-header .rch-label {
      color: rgba(0,0,0,0.35);
      border-bottom-color: rgba(0,0,0,0.10);
    }

    body.theme-light .right-col-header .rch-sub { color: rgba(0,0,0,0.28); }

    /* ── 7. Alt track label ── */
    body.theme-light .alt-track-label {
      background:        rgba(0,0,0,0.03);
      border-color:      rgba(0,0,0,0.10);
      border-left-color: rgba(0,0,0,0.25);
    }

    body.theme-light .alt-track-label .atl-title { color: rgba(0,0,0,0.48); }
    body.theme-light .alt-track-label .atl-sub   { color: rgba(0,0,0,0.52); }

    /* ── 8. Section BG containers ── */
    body.theme-light .svc-section-bg {
      background:   rgba(249,115,22,0.055);
      border-color: rgba(249,115,22,0.22);
    }

    body.theme-light .alt-tracks-section-bg {
      background:   rgba(0,0,0,0.022);
      border-color: rgba(0,0,0,0.08);
    }

    body.theme-light .right-branches-bg {
      background:   rgba(0,0,0,0.015);
      border-color: rgba(0,0,0,0.07);
    }

    body.theme-light .right-branches-divider     { border-top-color: rgba(0,0,0,0.08); }
    body.theme-light .right-branches-group-label { color: rgba(0,0,0,0.30); }

    /* ── 9. Info block ── */
    body.theme-light .info-block {
      background:   #FFFFFF;
      border-color: rgba(0,0,0,0.09);
      box-shadow:   0 2px 16px rgba(0,0,0,0.07), 0 0 0 1px rgba(0,0,0,0.05);
    }

    body.theme-light .info-block .ib-divider { background: rgba(0,0,0,0.08); }

    /* ── 10. Services panel ── */
    body.theme-light .services-panel {
      background:   #FFFFFF;
      border-color: rgba(249,115,22,0.30);
      box-shadow:   0 2px 16px rgba(0,0,0,0.07);
    }

    body.theme-light .services-panel .sp-item { border-bottom-color: rgba(0,0,0,0.07); }

    body.theme-light .svc-header-card {
      background:   rgba(249,115,22,0.06);
      border-color: rgba(249,115,22,0.22);
    }

    /* Service cards — white elevated, orange top line already present */
    body.theme-light .svc-card {
      background:   #FFFFFF;
      border-color: rgba(0,0,0,0.09);
      box-shadow:   0 2px 8px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.05);
    }

    body.theme-light .svc-card:hover {
      border-color: rgba(249,115,22,0.60);
      box-shadow:   0 6px 24px rgba(249,115,22,0.16), 0 2px 8px rgba(0,0,0,0.08);
      transform: translateY(-2px);
    }

    /* ── 11. CTA block — warm orange card ── */
    body.theme-light .cta-block {
      background:   linear-gradient(145deg, rgba(249,115,22,0.08), rgba(249,115,22,0.03));
      border-color: rgba(249,115,22,0.28);
      box-shadow:   0 4px 20px rgba(249,115,22,0.08), 0 0 0 1px rgba(249,115,22,0.12);
    }

    body.theme-light .cta-block ul li { border-bottom-color: rgba(0,0,0,0.07); }

    /* ── 12. Accent blocks — FIX: dark text on warm tinted bg ── */
    /*
     * In dark theme accent-blocks have color:#fff (hardcoded).
     * In light theme the gradient is too transparent for white text.
     * We override the block to have a proper warm tinted card with dark text.
     */
    body.theme-light .accent-block {
      color:      #1A1A1A;
      box-shadow: 0 4px 20px rgba(0,0,0,0.09), 0 0 0 1px rgba(0,0,0,0.06);
    }

    body.theme-light .accent-block .ab-label { opacity: 0.55; }
    body.theme-light .accent-block .ab-body  { opacity: 1; color: #444444; }

    /* ab-cta: replace ghost button with solid orange */
    body.theme-light .accent-block .ab-cta {
      background:   #f97316;
      border-color: #f97316;
      color:        #fff;
    }

    body.theme-light .accent-block .ab-cta:hover {
      background:   #ea6c0e;
      border-color: #ea6c0e;
    }

    /* ── 13. Tooltip — crisp white ── */
    body.theme-light #tooltip {
      background:   #FFFFFF;
      border-color: rgba(0,0,0,0.11);
      color:        #1A1A1A;
      box-shadow:   0 4px 6px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.12);
    }

    /* ── 14. Side panel — clean white sheet ── */
    body.theme-light #side-panel {
      background: #FAFAF8;
      box-shadow: -4px 0 24px rgba(0,0,0,0.08), -1px 0 0 rgba(0,0,0,0.06);
    }

    body.theme-light #side-panel .sp-close:hover { background: rgba(0,0,0,0.06); }

    /* ── 15. Controls / zoom buttons ── */
    body.theme-light .ctrl-btn {
      background:   #FFFFFF;
      border-color: rgba(0,0,0,0.14);
      color:        #3A3A3C;
      box-shadow:   0 2px 8px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.05);
    }

    body.theme-light .ctrl-btn:hover {
      background:   #F5F5F5;
      color:        #1A1A1A;
      border-color: rgba(0,0,0,0.22);
    }

    /* ── 16. Zoom indicator ── */
    body.theme-light #zoom-indicator {
      background:   rgba(255,255,255,0.94);
      border-color: rgba(0,0,0,0.12);
      color:        #444444;
      box-shadow:   0 2px 8px rgba(0,0,0,0.08);
    }

    /* ── 17. Map label (top center header) ── */
    body.theme-light #map-label {
      background:   rgba(244,242,238,0.90);
      border-color: rgba(0,0,0,0.08);
      box-shadow:   0 2px 12px rgba(0,0,0,0.07);
    }

    body.theme-light #map-label h1 { color: #1A1A1A; }
    body.theme-light #map-label p  { color: #8A8A8E; }

    /* ── 18. Grade legend ── */
    body.theme-light #grade-legend {
      background:   rgba(255,255,255,0.96);
      border-color: rgba(0,0,0,0.10);
      box-shadow:   0 2px 8px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.08);
    }

    body.theme-light .legend-item:hover  { background: rgba(0,0,0,0.05); }
    body.theme-light .legend-item.active { background: rgba(0,0,0,0.08); color: #1A1A1A; }

    /* ── 19. Left navigation ── */
    body.theme-light .left-nav {
      background:         rgba(248,246,242,0.99);
      border-right-color: rgba(0,0,0,0.09);
      box-shadow:         1px 0 0 rgba(0,0,0,0.06);
    }

    body.theme-light .left-nav-brand         { border-bottom-color: rgba(0,0,0,0.09); }
    body.theme-light .left-nav-brand-name    { color: #1A1A1A; }
    body.theme-light .left-nav-brand-sub     { color: #8A8A8E; }
    body.theme-light .left-nav-section-label { color: #8A8A8E; }
    body.theme-light .left-nav-item          { color: #444444; }
    body.theme-light .left-nav-item:hover    { background: rgba(0,0,0,0.045); color: #1A1A1A; }
    body.theme-light .left-nav-item.active   { background: rgba(0,0,0,0.06);  color: #1A1A1A; }
    body.theme-light .left-nav-module        { color: #8A8A8E; }
    body.theme-light .left-nav-module:hover  { background: rgba(0,0,0,0.035); color: #444444; }
    body.theme-light .left-nav-module.active { color: #1A1A1A; }
    body.theme-light .left-nav-footer        { border-top-color: rgba(0,0,0,0.09); }

    /* ── 20. Mobile nav toggle (hamburger) ── */
    body.theme-light .nav-toggle {
      background:   rgba(244,242,238,0.96);
      border-color: rgba(0,0,0,0.10);
    }

    body.theme-light .nav-toggle span { background: #3A3A3C; }

    /* ── 21. Mobile drag handle (side panel) ── */
    body.theme-light #side-panel::before { background: rgba(0,0,0,0.13); }


/* ================================================
   REDUCED MOTION — respect OS accessibility setting
   ================================================ */
@media (prefers-reduced-motion: reduce) {
  .flow-path,
  .node.pulse-entry,
  #node-entry.pulse-hint {
    animation: none !important;
  }
  * {
    transition-duration: 0.01ms !important;
  }
}