body {
      background-color: var(--clr-bg);
      font-family: var(--font-base);
      position: relative;
      margin: 0;
      padding: 0;
      min-height: 100vh;
      overflow-x: hidden;
      overflow-y: auto;
    }
    .content-wrapper {
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      position: relative;
      z-index: 2;
      padding-bottom: 78px;
      box-sizing: border-box;
    }
    .header {
      height: var(--nav-h);
      padding-inline: var(--sp-6);
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--clr-border);
      background-color: var(--clr-surface);
    }
    .logo {
      display: flex;
      align-items: center;
      gap: var(--sp-2);
      text-decoration: none;
      color: var(--clr-text);
      font-weight: 800;
      font-size: var(--text-lg);
    }
    .logo span {
      color: var(--clr-primary);
    }
    .header-logo-icon {
      width: 30px;
      height: 30px;
      object-fit: contain;
      background: #ffffff;
      border-radius: 6px;
      padding: 2px;
      box-sizing: border-box;
    }
    .hero {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: var(--sp-12) var(--sp-6);
      text-align: center;
    }
    .hero-brand-card {
      max-width: 520px;
      width: 90%;
      background: #ffffff;
      padding: 24px 34px;
      border-radius: 20px;
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.55), 0 0 45px rgba(118, 184, 42, 0.22);
      border: 1px solid rgba(255, 255, 255, 0.2);
      margin-bottom: var(--sp-6);
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }
    .hero-brand-card:hover {
      transform: translateY(-4px) scale(1.01);
      box-shadow: 0 22px 55px rgba(0, 0, 0, 0.65), 0 0 60px rgba(118, 184, 42, 0.35);
    }
    .hero-logo-img {
      width: 100%;
      height: auto;
      max-height: 280px;
      display: block;
      object-fit: contain;
    }
    @media (max-width: 600px) {
      .hero-brand-card {
        padding: 16px 20px;
        border-radius: 14px;
        margin-bottom: var(--sp-5);
      }
    }
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    .hero-actions {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--sp-4);
      margin-top: var(--sp-2);
    }
    .btn-pong {
      width: 240px;
      background: transparent;
      border: 2px solid var(--clr-primary);
      color: var(--clr-primary);
      padding: var(--sp-3) var(--sp-6);
      border-radius: var(--r-md);
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      transition: all var(--ease-fast);
    }
    .btn-pong:hover {
      background: rgba(0, 230, 118, 0.1);
      transform: translateY(-2px);
    }
    .btn-contact {
      width: 240px;
      background: var(--clr-primary);
      border: 2px solid var(--clr-primary);
      color: #000000;
      padding: var(--sp-3) var(--sp-6);
      border-radius: var(--r-md);
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      transition: all var(--ease-fast);
    }
    .btn-contact:hover {
      background: var(--clr-primary-light);
      transform: translateY(-2px);
    }
    .footer {
      padding: var(--sp-2) var(--sp-6);
      text-align: center;
      border-top: none;
      color: var(--clr-text-subtle);
      font-size: var(--text-xs);
    }
    .btn-login {
      background-color: var(--clr-primary);
      color: #000;
      font-weight: 700;
      padding: var(--sp-2) var(--sp-5);
      border-radius: var(--r-md);
      text-decoration: none;
      transition: background-color var(--ease-fast);
    }
    .btn-login:hover {
      background-color: var(--clr-primary-light);
    }
    #fog-canvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      pointer-events: none;
      z-index: 1;
    }
    #keyword-stars-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      pointer-events: none;
      z-index: 1;
      overflow: hidden;
    }
    @media screen and (max-device-width: 900px) and (orientation: landscape) {
      #pong-overlay::before {
        content: "Bitte drehen Sie Ihr Gerät in das Hochformat (Portrait), um TF Pong zu spielen. Im Querformat ist das Spiel mobil nicht verfügbar.";
        position: fixed;
        top: 0; left: 0; width: 100vw; height: 100vh;
        background: #0a0a0c;
        color: var(--clr-primary);
        font-family: var(--font-base);
        font-weight: 700;
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 40px;
        box-sizing: border-box;
        z-index: 99999;
      }
      #pong-overlay > div {
        display: none !important;
      }
    }
    .twinkle-word {
      position: absolute;
      color: rgba(255, 255, 255, 0.85);
      font-weight: 700;
      text-shadow: 0 0 10px rgba(0, 230, 118, 0.6), 0 0 20px rgba(0, 230, 118, 0.3);
      pointer-events: none;
      user-select: none;
      opacity: 0;
    }
    @keyframes word-fade-in-out {
      0% {
        opacity: 0;
        transform: scale(0.85);
        filter: blur(1.5px);
      }
      20% {
        opacity: 0.85;
        transform: scale(1.03);
        filter: blur(0);
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.95), 0 0 30px rgba(0, 230, 118, 0.8);
      }
      80% {
        opacity: 0.85;
        transform: scale(0.97);
        filter: blur(0);
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.95), 0 0 30px rgba(0, 230, 118, 0.8);
      }
      100% {
        opacity: 0;
        transform: scale(0.85);
        filter: blur(1.5px);
      }
    }

    /* ============================================================
       Partner & Logo Laufband (Fest am unteren Bildschirmrand)
       ============================================================ */
    .tf-partner-bar,
    .home-banner-bar {
      position: fixed !important;
      bottom: 0 !important;
      left: 0 !important;
      right: 0 !important;
      width: 100% !important;
      height: 70px !important;
      background: #f8f9fa !important;
      border-top: 1px solid #e2e8f0 !important;
      border-bottom: none !important;
      display: flex !important;
      align-items: center !important;
      overflow: hidden !important;
      z-index: 9999 !important;
      user-select: none !important;
      box-shadow: 0 -3px 14px rgba(0, 0, 0, 0.18) !important;
    }
    .tf-partner-bar::before,
    .tf-partner-bar::after,
    .home-banner-bar::before,
    .home-banner-bar::after {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      width: 70px;
      z-index: 3;
      pointer-events: none;
    }
    .tf-partner-bar::before,
    .home-banner-bar::before {
      left: 0;
      background: linear-gradient(to right, #f8f9fa 25%, rgba(248, 249, 250, 0));
    }
    .tf-partner-bar::after,
    .home-banner-bar::after {
      right: 0;
      background: linear-gradient(to left, #f8f9fa 25%, rgba(248, 249, 250, 0));
    }
    .tf-partner-marquee,
    .home-banner-marquee {
      display: flex !important;
      width: 100% !important;
      overflow: hidden !important;
    }
    .tf-partner-track,
    .home-banner-track {
      display: flex !important;
      align-items: center !important;
      gap: 56px !important;
      padding-left: 20px !important;
      white-space: nowrap !important;
      animation: partnerMarqueeScroll 28s linear infinite !important;
      will-change: transform !important;
    }
    .tf-partner-bar:hover .tf-partner-track,
    .home-banner-bar:hover .home-banner-track {
      animation-play-state: paused !important;
    }
    .tf-partner-item,
    .home-banner-item {
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      height: 52px !important;
      padding: 0 6px !important;
      text-decoration: none !important;
      opacity: 0.94 !important;
      transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
      flex-shrink: 0 !important;
      cursor: pointer !important;
    }
    .tf-partner-item:hover,
    .home-banner-item:hover {
      opacity: 1 !important;
      transform: scale(1.08) !important;
    }
    .tf-partner-item img,
    .home-banner-item img {
      max-height: 48px !important;
      max-width: 190px !important;
      width: auto !important;
      height: auto !important;
      object-fit: contain !important;
      display: block !important;
      filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.08)) !important;
    }
    .tf-partner-placeholder-badge,
    .home-banner-placeholder-badge {
      display: inline-flex !important;
      align-items: center !important;
      gap: 8px !important;
      background: #ffffff !important;
      border: 1px solid #cbd5e1 !important;
      border-radius: 8px !important;
      padding: 6px 16px !important;
      font-size: 13.5px !important;
      font-weight: 600 !important;
      color: #334155 !important;
      box-shadow: 0 1px 3px rgba(0,0,0,0.04) !important;
    }
    @keyframes partnerMarqueeScroll {
      0% {
        transform: translate3d(0, 0, 0);
      }
      100% {
        transform: translate3d(-50%, 0, 0);
      }
    }
    @keyframes homeBannerScroll {
      0% {
        transform: translate3d(0, 0, 0);
      }
      100% {
        transform: translate3d(-50%, 0, 0);
      }
    }

    /* ============================================================
       TF Pong Modal Styles (Zero Inline Styles)
       ============================================================ */
    .pong-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(10, 10, 12, 0.9);
      backdrop-filter: blur(15px);
      -webkit-backdrop-filter: blur(15px);
      z-index: 100;
      overflow-y: auto;
      padding: 20px 10px;
      box-sizing: border-box;
    }

    .pong-modal-card {
      position: relative;
      background: #0a0a0c;
      border: 2px solid var(--clr-primary);
      border-radius: var(--r-xl);
      padding: var(--sp-5);
      box-shadow: 0 0 45px rgba(0, 230, 118, 0.3);
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: 95%;
      width: 840px;
      margin: 20px auto;
      box-sizing: border-box;
    }

    .pong-close-btn {
      position: absolute;
      top: 15px;
      right: 15px;
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 1.8rem;
      cursor: pointer;
      line-height: 1;
      transition: color var(--ease-fast);
    }
    .pong-close-btn:hover {
      color: var(--clr-primary);
    }

    .pong-title {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: var(--sp-2);
      letter-spacing: -0.02em;
      text-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
    }
    .pong-title span {
      color: var(--clr-primary);
    }

    .pong-meta-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: 800px;
      margin-bottom: 12px;
      font-size: var(--text-xs);
      color: var(--clr-text-muted);
      flex-wrap: wrap;
      gap: 10px;
    }

    .btn-toggle-gyro {
      background: #121216;
      color: #ffffff;
      border: 1px solid rgba(0, 230, 118, 0.3);
      padding: 6px 14px;
      border-radius: var(--r-md);
      font-size: 11px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s;
    }

    .pong-game-wrapper {
      display: flex;
      gap: 12px;
      width: 100%;
      max-width: 800px;
      align-items: stretch;
    }

    .pong-canvas-container {
      position: relative;
      flex: 1;
      aspect-ratio: 800 / 450;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    #pong-canvas {
      background: #050507;
      border: 1px solid rgba(0, 230, 118, 0.25);
      border-radius: var(--r-md);
      width: 100%;
      height: 100%;
      display: block;
      cursor: none;
    }

    .pong-menu {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: rgba(5, 5, 7, 0.85);
      border-radius: var(--r-md);
    }

    .pong-menu-title {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: var(--sp-4);
      color: #ffffff;
    }

    .btn-start-game {
      background: var(--clr-primary);
      color: #000000;
      font-weight: 700;
      border: none;
      border-radius: var(--r-md);
      padding: 12px 30px;
      font-size: 1.1rem;
      cursor: pointer;
      box-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
      transition: transform 0.2s;
    }
    .btn-start-game:hover {
      transform: scale(1.05);
    }

    .pong-gameover {
      display: none;
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: rgba(5, 5, 7, 0.9);
      border-radius: var(--r-md);
      padding: 20px;
      box-sizing: border-box;
    }

    .gameover-title {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: var(--sp-1);
      text-shadow: 0 0 15px var(--glow-color);
    }

    .gameover-score {
      font-size: var(--text-sm);
      color: var(--clr-text-muted);
      margin-bottom: var(--sp-1);
    }

    .gameover-duration {
      font-size: 11px;
      color: #39ff14;
      font-weight: 700;
      margin-bottom: var(--sp-4);
      text-align: center;
      max-width: 85%;
    }

    .highscore-input-form {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 100%;
      max-width: 320px;
      margin-bottom: 20px;
    }

    .btn-save-score {
      background: var(--clr-primary);
      color: #000000;
      border: none;
      border-radius: var(--r-md);
      padding: 10px 24px;
      font-weight: 700;
      cursor: pointer;
      font-size: var(--text-xs);
      transition: transform 0.2s;
    }
    .btn-save-score:hover {
      transform: scale(1.05);
    }

    .btn-restart-game {
      background: transparent;
      color: #ffffff;
      border: 2px solid var(--clr-primary);
      font-weight: 700;
      border-radius: var(--r-md);
      padding: 10px 25px;
      font-size: var(--text-xs);
      cursor: pointer;
    }

    .pong-touch-zone {
      width: 75px;
      background: rgba(0, 230, 118, 0.04);
      border: 2px dashed rgba(0, 230, 118, 0.25);
      border-radius: var(--r-md);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: rgba(0, 230, 118, 0.45);
      font-size: 10px;
      font-weight: 800;
      text-align: center;
      user-select: none;
      -webkit-user-select: none;
      touch-action: none;
      cursor: ns-resize;
      padding: 10px 5px;
      box-sizing: border-box;
    }

    .pong-touch-label {
      writing-mode: vertical-rl;
      text-orientation: mixed;
      letter-spacing: 3px;
      font-family: monospace;
      text-shadow: 0 0 5px rgba(0, 230, 118, 0.2);
    }

    .pong-highscores-container {
      width: 100%;
      max-width: 800px;
      margin-top: 20px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(0, 230, 118, 0.15);
      border-radius: var(--r-lg);
      padding: var(--sp-4);
      box-sizing: border-box;
    }

    .pong-highscores-heading {
      font-size: var(--text-xs);
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--clr-primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .pong-highscores-scroll {
      max-height: 160px;
      overflow-y: auto;
    }

    .pong-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 11px;
      text-align: left;
    }

    .pong-table th,
    .pong-table td {
      padding: 6px 8px;
    }

    .pong-table thead tr {
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--clr-text-muted);
    }

    .pong-table th.col-rank {
      width: 130px;
    }
    .pong-table th.col-score,
    .pong-table td.col-score {
      text-align: center;
    }
    .pong-table th.col-duration,
    .pong-table td.col-duration {
      text-align: center;
    }
    .pong-table th.col-date,
    .pong-table td.col-date {
      text-align: right;
    }

    .pong-table-empty {
      text-align: center;
      padding: 15px;
      color: var(--clr-text-muted);
    }

    /* ============================================================
       TF Contact Modal Styles (Zero Inline Styles)
       ============================================================ */
    .contact-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(10, 10, 12, 0.9);
      backdrop-filter: blur(15px);
      -webkit-backdrop-filter: blur(15px);
      z-index: 100;
      overflow-y: auto;
      padding: 20px 10px;
      box-sizing: border-box;
    }

    .contact-modal-card {
      position: relative;
      background: #0a0a0c;
      border: 2px solid var(--clr-primary);
      border-radius: var(--r-xl);
      padding: var(--sp-8);
      box-shadow: 0 0 45px rgba(0, 230, 118, 0.3);
      max-width: 95%;
      width: 500px;
      margin: 40px auto;
      color: #ffffff;
      font-family: var(--font-base);
      box-sizing: border-box;
    }

    .contact-close-btn {
      position: absolute;
      top: 15px;
      right: 15px;
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 1.8rem;
      cursor: pointer;
      line-height: 1;
      transition: color var(--ease-fast);
    }
    .contact-close-btn:hover {
      color: var(--clr-primary);
    }

    .contact-header {
      text-align: center;
      margin-bottom: var(--sp-3);
    }

    .contact-header-logo {
      height: 34px;
      max-width: 170px;
      object-fit: contain;
      background: #ffffff;
      border-radius: 8px;
      padding: 3px 10px;
      display: inline-block;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    }

    .contact-title {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: var(--sp-6);
      letter-spacing: -0.02em;
      text-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
      text-align: center;
    }
    .contact-title span {
      color: var(--clr-primary);
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: var(--sp-4);
    }

    .form-group-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-label-title {
      font-size: var(--text-xs);
      font-weight: 700;
      color: var(--clr-text-muted);
    }

    .form-input-text {
      background: #141418;
      border: 1px solid var(--clr-border);
      color: #ffffff;
      padding: 10px;
      border-radius: var(--r-md);
      font-size: 14px;
      width: 100%;
      box-sizing: border-box;
      font-family: inherit;
    }
    .form-input-text:focus {
      outline: none;
      border-color: var(--clr-primary);
    }

    .interests-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      background: #141418;
      border: 1px solid var(--clr-border);
      padding: 12px;
      border-radius: var(--r-md);
      box-sizing: border-box;
    }

    .interest-option {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      cursor: pointer;
    }

    .interest-option input[type="checkbox"] {
      accent-color: var(--clr-primary);
    }

    .textarea-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .char-counter-text {
      font-size: 10px;
      color: var(--clr-text-muted);
    }

    .form-textarea {
      background: #141418;
      border: 1px solid var(--clr-border);
      color: #ffffff;
      padding: 10px;
      border-radius: var(--r-md);
      font-size: 14px;
      width: 100%;
      box-sizing: border-box;
      resize: vertical;
      font-family: inherit;
    }
    .form-textarea:focus {
      outline: none;
      border-color: var(--clr-primary);
    }

    .contact-feedback-box {
      display: none;
      font-size: var(--text-xs);
      font-weight: 700;
      text-align: center;
      padding: 10px;
      border-radius: var(--r-md);
      transition: all var(--ease-normal);
    }

    .btn-contact-submit {
      margin-top: var(--sp-2);
      background: var(--clr-primary);
      border: none;
      color: #000000;
      padding: 12px;
      border-radius: var(--r-md);
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      transition: all var(--ease-fast);
    }
    .btn-contact-submit:hover {
      background: var(--clr-primary-light);
    }
    .btn-contact-submit:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    /* Highscore Table Dynamic Rows (CSP-Compliant) */
    .row-highscore {
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .cell-rank {
      padding: 6px 8px;
      font-weight: 700;
    }
    .cell-score {
      padding: 6px 8px;
      text-align: center;
      font-weight: 700;
    }
    .cell-score.win {
      color: var(--clr-primary);
    }
    .cell-score.loss {
      color: var(--clr-error);
    }
    .cell-duration {
      padding: 6px 8px;
      text-align: center;
      color: var(--clr-text-muted);
      font-size: 11px;
    }
    .cell-date {
      padding: 6px 8px;
      text-align: right;
      color: var(--clr-text-subtle);
      font-size: 11px;
    }