/* WebGL Grid Canvas */
  .grid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    display: block;
  }

  body.has-webgl-grid {
    background-image: none;
  }

  /* Title Bar (Accessible without scrolling; scroll-fade mechanism retained) */
  .title-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
  }

  /* Preserved scroll fade-in functionality (disabled by default) */
  body.enable-header-scroll-fade:not(.scrolled) .title-bar {
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
  }

  body.enable-header-scroll-fade.scrolled .title-bar,
  body.scrolled .title-bar {
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--panel-border);
  }


  .nav-colophon-tag {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
    opacity: 1;
    transition: opacity 0.3s ease;
  }

  body.enable-header-scroll-fade:not(.scrolled) .nav-colophon-tag {
    opacity: 0;
    pointer-events: none;
  }

  body.enable-header-scroll-fade.scrolled .nav-colophon-tag,
  body.scrolled .nav-colophon-tag {
    opacity: 1;
    pointer-events: auto;
  }


  .nav-colophon-tag .pip-grid {
    display: inline-flex;
    gap: 4px;
  }
  .nav-colophon-tag .pip-grid span {
    width: 5px;
    height: 5px;
    display: inline-block;
  }


  /* Hero Logo */
  .hero-logo {
    font-weight: 700;
    white-space: nowrap;
    width: 95vw;
    cursor: default;
    user-select: none;
  }


  .remove-on-scroll {
    transition: opacity 0.3s ease;
  }


  body.scrolled .remove-on-scroll {
    opacity: 0;
    pointer-events: none;
  }


  .tray-toggle {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: transparent;
    border: 1px solid var(--panel-border);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    transition: all 0.2s ease, opacity 0.3s ease;
    opacity: 1;
    pointer-events: auto;
  }

  body.enable-header-scroll-fade:not(.scrolled) .tray-toggle {
    opacity: 0;
    pointer-events: none;
  }

  body.enable-header-scroll-fade.scrolled .tray-toggle,
  body.scrolled .tray-toggle {
    opacity: 1;
    pointer-events: auto;
  }


  .tray-toggle:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  }


  /* Content Tray / Drawer (Smooth slide-down pull-out drawer) */
  .content-tray {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--drawer-bg);
    border-bottom: 1px solid var(--panel-border);
    padding: 12px 16px;
    box-sizing: border-box;
    z-index: 1100;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.6);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, visibility 0.35s ease;
  }

  .content-tray.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }


  .page-down {
    margin-top: 96px;
  }


  .icon-links {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: clamp(6px, 3.5vw, 36px);
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 8px;
  }


  .icon-links a {
    position: relative;
    padding: 6px clamp(4px, 1.2vw, 12px);
    border: 1px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }


  .icon-links a:hover {
    border-color: var(--panel-border-bright);
    background: rgba(255, 255, 255, 0.04);
    filter: drop-shadow(-1px 0 0 var(--cyan)) drop-shadow(1px 0 0 var(--magenta));
  }


  .icon-links .icon {
    width: 58px;
    height: 58px;
    fill: var(--text-color);
  }

  @media (max-width: 480px) {
    .content-tray {
      padding: 10px 4px;
    }
    .icon-links {
      gap: clamp(2px, 1.5vw, 10px);
      padding: 0 2px;
      justify-content: space-evenly;
    }
    .icon-links a {
      padding: 4px 2px;
    }
  }


  .tooltip {
    position: fixed;
    background: var(--tooltip-bg);
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    padding: 5px 10px;
    border: 1px solid var(--panel-border-bright);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    white-space: nowrap;
    z-index: 2000;
    text-transform: uppercase;
  }


  #pageWrapper {
    position: relative;
    margin-top: 0;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    transition: margin-top 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
  }


  .content-divider {
    position: fixed;
    top: calc(100vh + 60px);
    height: 0;
    margin-bottom: 20px;
    width: 100%;
    z-index: 900;
  }

  body.subpage .content-divider {
    display: none;
  }


  main {
    flex: 1 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding-top: calc(100vh - 140px);
    padding-top: calc(100dvh - 140px);
    padding-bottom: 120px;
    max-width: 960px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Subpages: Immediate visibility without 100vh offset */
  body.subpage main,
  main.subpage-content {
    padding-top: 80px;
    padding-bottom: 60px;
  }


  /* Technical Panels & Reticle Framing */
  .tech-panel {
    position: relative;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    padding: 36px 40px;
    margin-bottom: 40px;
  }


  /* Sharp technical corner brackets */
  .tech-panel::before {
    content: "";
    position: absolute;
    top: -1px;
    left: -1px;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--cyan);
    border-left: 2px solid var(--cyan);
    pointer-events: none;
  }


  .tech-panel::after {
    content: "";
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--magenta);
    border-right: 2px solid var(--magenta);
    pointer-events: none;
  }


  .tech-panel .bracket-tr {
    position: absolute;
    top: -1px;
    right: -1px;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--yellow);
    border-right: 2px solid var(--yellow);
    pointer-events: none;
  }


  .tech-panel .bracket-bl {
    position: absolute;
    bottom: -1px;
    left: -1px;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--text-dim);
    border-left: 2px solid var(--text-dim);
    pointer-events: none;
  }


  /* Panel Header / Micro Metadata */
  .panel-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
  }


  .panel-meta .pip {
    width: 6px;
    height: 6px;
    display: inline-block;
    flex-shrink: 0;
  }
  .pip-cyan { background: var(--cyan); box-shadow: 0 0 6px rgba(0, 255, 255, 0.4); }
  .pip-magenta { background: var(--magenta); box-shadow: 0 0 6px rgba(255, 0, 255, 0.4); }
  .pip-yellow { background: var(--yellow); box-shadow: 0 0 6px rgba(255, 255, 0, 0.4); }


  .panel-meta .coord {
    margin-left: auto;
    color: var(--text-dim);
    font-size: 10px;
  }




  /* Tri-Column Industrial Footer */
  .triple-footer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
    padding: 48px 40px;
    background: var(--footer-bg);
    border-top: 1px solid var(--panel-border);
    max-width: 960px;
    width: 100%;
    box-sizing: border-box;
    margin: auto auto 0 auto;
  }


  @media (max-width: 768px) {
    .triple-footer {
      grid-template-columns: 1fr;
      padding: 32px 20px;
    }
  }


  .footer-col h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 8px;
  }


  .footer-col h3 .footer-pip {
    width: 6px;
    height: 6px;
    display: inline-block;
  }


  .footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }


  .footer-col ul li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
  }


  .footer-col ul li .idx {
    color: var(--text-dim);
    font-size: 10px;
  }


  .footer-col p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 10px 0;
  }


  .footer-col strong {
    color: var(--heading-color);
  }


  .footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
  }


  .footer-col a:hover {
    color: var(--heading-color);
  }


  .footer-bottom-text {
    text-align: center;
    padding: 20px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    background: var(--bottom-text-bg);
    border-top: 1px solid var(--panel-border);
    text-transform: uppercase;
  }


  /* Back to Top Floating Button */
  .back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border-bright);
    width: 42px;
    height: 42px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.2s ease;
  }


  .back-to-top:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
  }


  .back-to-top.show {
    display: flex;
  }


  .back-to-top svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: var(--text-color);
    stroke-width: 2;
    stroke-linecap: square;
    stroke-linejoin: miter;
  }

  /* Subpage Shared Header & Architecture */
  .subpage .title-bar {
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--panel-border);
  }

  .subpage .nav-colophon-tag {
    opacity: 1;
    pointer-events: auto;
  }

  .subpage .nav-colophon-tag a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* Subpage CMYK 3-Rectangle Morphing Brand Logo */
  .subpage-brand-kyzer {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 3px;
    line-height: 1;
    transition: background 0.2s ease;
  }

  .subpage-brand-kyzer:hover {
    background: rgba(255, 255, 255, 0.04);
  }

  .subpage-brand-kyzer .morph-slot {
    position: relative;
    width: 12px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
  }

  .subpage-brand-kyzer .swatch-rect {
    position: absolute;
    inset: 0;
    border-radius: 2px;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
  }

  .subpage-brand-kyzer .swatch-rect.rect-cyan {
    background: #00FFFF;
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  }
  .subpage-brand-kyzer .swatch-rect.rect-magenta {
    background: #FF00FF;
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.3);
  }
  .subpage-brand-kyzer .swatch-rect.rect-yellow {
    background: #FFFF00;
    box-shadow: 0 0 8px rgba(255, 255, 0, 0.3);
  }

  .subpage-brand-kyzer .morph-char {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    opacity: 0;
    transform: scale(0.4) rotate(-10deg);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    pointer-events: none;
  }

  .subpage-brand-kyzer .morph-char.char-k { color: #00FFFF; }
  .subpage-brand-kyzer .morph-char.char-y { color: #FF00FF; }
  .subpage-brand-kyzer .morph-char.char-z { color: #FFFF00; }

  .subpage-brand-kyzer .morph-suffix {
    display: inline-flex;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    transform: translateX(-8px);
    transition: opacity 0.35s ease 0.05s, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.05s, max-width 0.35s ease;
    pointer-events: none;
  }

  .subpage-brand-kyzer .morph-suffix span {
    width: 12px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
  }

  .subpage-brand-kyzer .morph-suffix span:last-child {
    margin-right: 0;
  }

  .subpage-brand-kyzer .morph-suffix .char-e { color: var(--weber-e2); }
  .subpage-brand-kyzer .morph-suffix .char-r { color: var(--weber-r); }

  /* On Hover: Rectangles shrink & morph into KYZ, ER glides and fades in */
  .subpage-brand-kyzer:hover .swatch-rect {
    opacity: 0;
    transform: scale(0.2) rotate(45deg);
  }

  .subpage-brand-kyzer:hover .morph-char {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: drop-shadow(0 0 6px currentColor);
  }

  .subpage-brand-kyzer:hover .morph-suffix {
    opacity: 1;
    max-width: 40px;
    transform: translateX(0);
  }

  .subpage .tray-toggle {
    opacity: 1;
    pointer-events: auto;
  }

  .subpage-hero {
    margin: 16px auto 30px auto;
    padding: 24px 28px;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    position: relative;
    max-width: 960px;
  }

  .subpage-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--cyan);
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .subpage-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px 0;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .subpage-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    max-width: 720px;
  }

  .subpage-content {
    max-width: 960px;
    margin: 0 auto 60px auto;
  }

  /* Floating CMYK Kinetic Elements (Global across all pages) */
  @keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(12px, -12px) rotate(8deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
  }

  .cmyk-shape {
    position: fixed;
    pointer-events: none;
    opacity: 0;
    animation: float 7s infinite ease-in-out;
    z-index: 0;
    transition: opacity 1s ease;
  }