:root {
    --bg: #090c12;
    --surface: #23133a;
    --surface2: #1f1232;
    --border: #3a1c63;
    --border2: #5e309d;
    --text: #dce8f5;
    --text-muted: #d6d6d6;
    --text-dim: #e8f0ff;
    --c1: #883CF0;   /* Secure Credentials — cyan */
    --c2: #883CF0;   /* Minimise Attack Surface — orange */
    --c3: #883CF0;   /* Control Applications — purple */
    --c4: #883CF0;   /* Monitor & Audit — teal */
    --c5: #883CF0;   /* Detect & Respond — rose */
    --gold: #883CF0;
    --white: #ffffff;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  .delinea-threat-pillars-guide {
    background: #191127;
    color: var(--text);
    height: 100vh;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
  }

  /* NOISE OVERLAY */
  .delinea-threat-pillars-guide::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
  }

  /* HEADER */
  .site-header {
    position: relative;
    padding: 0 0 0 0;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #180f26 0%, #191127 100%);
    overflow: hidden;
  }
  .header-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(90deg, var(--border) 1px, transparent 1px),
      linear-gradient(0deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.25;
    pointer-events: none;
  }
  .header-glow {
    position: absolute;
    top: -80px; left: 50%; transform: translateX(-50%);
    width: 600px; height: 300px;
    background: radial-gradient(ellipse, #6848955e 0%, transparent 70%);
    pointer-events: none;
  }
  .header-inner {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 40px 40px;
  }
  .header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #23133a;
    border: 1px solid #3a1c63;
    border-radius: 3px;
    padding: 4px 12px;
    
    font-size: 10px;
    color: var(--c1);
    
    text-transform: uppercase;
    margin-bottom: 20px;
  }
  .header-badge::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--c1);
    box-shadow: 0 0 6px var(--c1);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; } 50% { opacity: 0.3; }
  }
  h1 {
    
    font-size: clamp(28px, 4vw, 52px);
    font-weight: 800;
    line-height: 1.05;
    
    color: var(--white);
    margin-bottom: 16px;
  }
  h1 span { color: var(--c1); }
  .header-desc {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 36px;
  }
  .header-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
  }
  .stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .stat-num {
    
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
  }
  .stat-label {
    
    font-size: 10px;
    color: var(--text-dim);
    
    text-transform: uppercase;
  }

  /* PILLAR NAV */
  .pillar-nav {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #180f26;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .pillar-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .pillar-nav-inner::-webkit-scrollbar { display: none; }
  .nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 22px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    
    font-size: 12px;
    font-weight: 600;
    
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
  }
  .nav-btn:hover { color: var(--text); }
  .nav-btn.active { color: var(--white); }
  .nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  /* MAIN LAYOUT */
  .main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 40px 100px;
  }

  /* PILLAR SECTION */
  .pillar-section { display: none; }
  .pillar-section.active { display: block; }

  .pillar-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: start;
    gap: 32px;
    margin-bottom: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
  }
  .pillar-number {
    
    font-size: 96px;
    font-weight: 800;
    line-height: 1;
    opacity: 0.06;
    color: var(--white);
    user-select: none;
  }
  .pillar-title-block h2 {
    
    font-size: clamp(22px, 3vw, 38px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 8px;
  }
  .pillar-title-block p {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 560px;
    line-height: 1.7;
  }
  .pillar-score-ring {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
  .ring-svg { width: 80px; height: 80px; }
  .ring-label {
    
    font-size: 9px;
    color: var(--text-dim);
    
    text-transform: uppercase;
    text-align: center;
  }

  /* THREE-COLUMN GRID */
  .pillar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }
  @media (max-width: 900px) { .pillar-grid { grid-template-columns: 1fr; } }

  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.2s;
  }
  .card:hover { border-color: var(--border2); }
  .card-head {
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .card-icon {
    width: 32px; height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
  }
  .card-title {
    
    font-size: 13px;
    font-weight: 700;
    
    color: var(--white);
  }
  .card-body { padding: 18px 20px; }

  /* ATTACK TECHNIQUE ITEMS */
  .technique-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .technique-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }
  .technique-tag {
    
    font-size: 9px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 2px;
    flex-shrink: 0;
    margin-top: 2px;
    
  }
  .technique-name { font-size: 12px; color: var(--text); line-height: 1.5; }
  .technique-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

  /* FEATURE ITEMS */
  .feature-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .feature-item { display: flex; gap: 12px; align-items: flex-start; }
  .feature-product {
    
    font-size: 9px;
    padding: 3px 7px;
    border-radius: 2px;
    flex-shrink: 0;
    margin-top: 1px;
    
    border: 1px solid;
    text-transform: uppercase;
  }
  .feature-text { font-size: 12px; color: var(--text); line-height: 1.5; }
  .feature-detail { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

  /* MATURITY LEVELS */
  .maturity-levels { display: flex; flex-direction: column; gap: 8px; }
  .maturity-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 10px 12px;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
  }
  .maturity-row:hover { background: var(--surface2); border-color: var(--border); }
  .maturity-row.selected { background: var(--surface2); border-color: var(--border2); }
  .maturity-lvl {
    
    font-size: 18px;
    font-weight: 800;
    line-height: 1;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
  }
  .maturity-content { flex: 1; }
  .maturity-name { font-size: 12px; font-weight: 600; color: var(--white); margin-bottom: 3px; }
  .maturity-desc { font-size: 11px; color: var(--text-muted); line-height: 1.5; }
  .maturity-check {
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 1px solid var(--border2);
    flex-shrink: 0;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    transition: all 0.15s;
  }
  .maturity-row.selected .maturity-check {
    background: currentColor;
    border-color: currentColor;
    color: var(--bg);
  }
  .maturity-row.selected .maturity-check::after { content: '✓'; color: var(--bg); font-weight: bold; }

  /* MATURITY SUMMARY BAR */
  .maturity-summary {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px 28px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
  }
  .maturity-summary-label {
    
    font-size: 10px;
    text-transform: uppercase;
    
    color: var(--text-dim);
    margin-bottom: 4px;
  }
  .maturity-current {
    
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
  }
  .maturity-bar-wrap { flex: 1; min-width: 200px; }
  .maturity-bar-track {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
  }
  .maturity-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.23,1,0.32,1);
  }
  .maturity-next-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
  }
  .maturity-dots {
    display: flex;
    gap: 6px;
    align-items: center;
  }
  .m-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 1px solid var(--border2);
    transition: all 0.2s;
  }
  .m-dot.filled { border-color: transparent; }

  /* OVERALL DASHBOARD */
  #section-overview .overview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 48px;
  }
  @media (max-width: 900px) { #section-overview .overview-grid { grid-template-columns: repeat(2, 1fr); } }
  .overview-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px 18px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }
  .overview-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
  }
  .overview-card:hover { border-color: var(--border2); transform: translateY(-2px); }
  .ov-num {
    
    font-size: 11px;
    font-weight: 700;
    opacity: 0.4;
    color: var(--white);
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
  }
  .ov-name {
    
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 12px;
  }
  .ov-level {
    
    font-size: 9px;
    
    text-transform: uppercase;
    margin-bottom: 6px;
  }
  .ov-bar { height: 3px; border-radius: 2px; background: var(--border); }
  .ov-bar-fill { height: 100%; border-radius: 2px; transition: width 0.8s; }

  /* SPIDER CHART AREA */
  .radar-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
    align-items: start;
  }
  @media (max-width: 800px) { .radar-section { grid-template-columns: 1fr; } }
  .radar-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .radar-legend {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 28px;
  }
  .radar-legend h3 {
    
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
  }
  .legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: opacity 0.15s;
  }
  .legend-item:last-child { border-bottom: none; }
  .legend-item:hover { opacity: 0.8; }
  .legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
  .legend-name { font-size: 13px; font-weight: 600; color: var(--white); flex: 1; }
  .legend-score {
    
    font-size: 18px;
    font-weight: 800;
  }
  .legend-max { font-size: 11px; color: var(--text-dim); }

  /* SECTION HEADERS */
  .section-heading {
    
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
  }
  .section-subheading {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
  }

  /* MITRE REF */
  .mitre-ref {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    
    font-size: 9px;
    color: var(--text-dim);
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 1px 5px;
    margin-left: 6px;
    
  }

  /* SCROLLBAR */
  ::-webkit-scrollbar { width: 4px; height: 4px; }
  ::-webkit-scrollbar-track { background: #873cf015; }
  ::-webkit-scrollbar-thumb { background: #873cf015; border-radius: 2px; }

  /* FOOTER */
  .footer {
    border-top: 1px solid var(--border);
    padding: 28px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    flex-wrap: gap;
    gap: 12px;
  }
  .footer-brand {
    
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dim);
  }
  .footer-note {
    
    font-size: 10px;
    color: var(--text-dim);
    
  }

  /* ANIMATE IN */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .pillar-section.active .pillar-header,
  .pillar-section.active .pillar-grid,
  .pillar-section.active .maturity-summary,
  .pillar-section.active .radar-section {
    animation: fadeUp 0.35s ease both;
  }
  .pillar-section.active .pillar-grid { animation-delay: 0.07s; }
  .pillar-section.active .maturity-summary { animation-delay: 0.14s; }

  /* PRODUCT TAG COLORS */
  .tag-ss { background: #1f1232; color: var(--c1); border-color: #5e309d; }
  .tag-pm { background: rgba(168,85,247,0.08); color: var(--c3); border-color: rgba(168,85,247,0.25); }
  .tag-dsv { background: rgba(240,180,41,0.08); color: var(--gold); border-color: rgba(240,180,41,0.25); }
  .tag-cm { background: #23133a; color: var(--c4); border-color: #3a1c63; }
  .tag-alm { background: rgba(255,107,53,0.08); color: var(--c2); border-color: rgba(255,107,53,0.25); }
  .tag-cs { background: rgba(244,63,94,0.08); color: var(--c5); border-color: rgba(244,63,94,0.25); }

  /* TACTIC TAGS */
  .tactic-c1 { background: rgba(244,63,94,0.1); color: #f87171; }
  .tactic-c2 { background: rgba(251,146,60,0.1); color: #fb923c; }
  .tactic-c3 { background: rgba(250,204,21,0.1); color: #fbbf24; }

  .pillar-overview-note {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid;
    border-radius: 0 6px 6px 0;
    padding: 16px 20px;
    margin-bottom: 40px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* RESET BUTTON */
  .reset-btn {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    
    font-size: 10px;
    
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s;
  }
  .reset-btn:hover { color: var(--text); border-color: var(--border2); }