#bootOverlay {
        position: fixed;
        inset: 0;
        z-index: 100001;
        display: grid;
        place-items: center;
        pointer-events: none;
        opacity: 1;
        background: #0000CC;
        transition: opacity 550ms ease;
      }

      #bootOverlay img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: none;
      }

      #bootCaption {
        display: none;
        position: relative;
        --boot-underline-color: #FFF627;
        --boot-underline-overhang: 2rem;
        --boot-underline-offset: clamp(2rem, 0.7vw, 2rem);
        --boot-underline-thickness: clamp(1px, 0.1vw, 1.5px);
        align-items: center;
        justify-content: center;
        gap: 0.45rem;
        z-index: 1;
        color: #FFF627;
        font-family: "Futura", "futura-pt", Tahoma, sans-serif;
        font-size: clamp(1.2rem, 2vw, 2rem);
        font-weight: 400;
        line-height: 1;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        text-align: center;
        text-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
      }

      #bootCaption::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: calc(-1 * (var(--boot-underline-offset) + var(--boot-underline-thickness)));
        transform: translateX(-50%);
        width: calc(100% + var(--boot-underline-overhang) * 2);
        height: var(--boot-underline-thickness);
        background: var(--boot-underline-color);
        border-radius: 999px;
      }

      .boot-caption-label {
        display: inline-block;
        position: relative;
      }

      .boot-caption-dots {
        display: inline-flex;
        align-items: center;
        align-self: center;
        line-height: 1;
        gap: 0.35rem;
      }

      .boot-caption-dot {
        width: 0.34em;
        height: 0.34em;
        border-radius: 50%;
        background: currentColor;
        opacity: 0.18;
        animation: bootDotFade 2.1s ease-in-out infinite;
      }

      .boot-caption-dot:nth-child(2) {
        animation-delay: 0.32s;
      }

      .boot-caption-dot:nth-child(3) {
        animation-delay: 0.64s;
      }

      @keyframes bootDotFade {
        0%, 100% { opacity: 0.18; }
        35% { opacity: 1; }
        55% { opacity: 0.28; }
      }

      #popup-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 51, 0.08);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        opacity: 0;
        transition: opacity var(--intro-backdrop-fade-ms, 1s) ease;
        z-index: 999;
        pointer-events: auto; /* block clicks by default when visible */
      }

      #popup-backdrop.blur-on {
        opacity: 1;
        pointer-events: auto; /* keep blocking while popup is active */
      }

      #popup-backdrop.allow-clicks {
        pointer-events: none; /* release clicks after close */
      }

      #okay-popup {
        display: none;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, 50%);
        width: min(92vw, 560px);
        max-width: 560px;
        background: transparent;
        padding: 0;
        border-radius: 0;
        text-align: center;
        font-family: "futura-pt", sans-serif;
        font-weight: 400;
        font-style: normal;
        opacity: 0;
        animation: fadeInUp 2s forwards;
        z-index: 1000;
        user-select: none;
        box-sizing: border-box;
        box-shadow: none;
        transition: opacity 700ms ease;
      }

      #okay-popup.is-input-ready {
        pointer-events: none;
      }

      #okay-popup.is-mobile-input {
        display: grid;
        width: min(88vw, 380px);
        min-height: clamp(9.75rem, 24vw, 13.5rem);
        place-items: center;
        background: #0000CC;
        padding: clamp(1.45rem, 3.2vw, 2rem) clamp(1.15rem, 2.7vw, 1.7rem);
        border-radius: 8px;
        box-shadow: none;
      }

      #okay-popup.is-fading-out {
        opacity: 0;
      }

      @keyframes fadeInUp {
        from { transform: translate(-50%, 100%); opacity: 0; }
        to { transform: translate(-50%, -50%); opacity: 1; }
      }

      #cross-button {
        display: none;
        position: absolute;
        top: 0.8rem;
        right: 0.8rem;
        width: 42px;
        height: 42px;
        border: none;
        background: transparent;
        cursor: pointer;
        padding: 0;
        z-index: 2;
      }

      #cross-button-image {
        display: none;
        width: 100%;
        height: 100%;
        object-fit: contain;
      }

      #okay-popup-title {
        display: none;
        margin: 0;
        color: #FFF627;
        font-size: clamp(1.8rem, 2.5vw, 4rem);
        line-height: 1.05;
        font-weight: 400;
        padding-top: 1.1rem;
      }

      #okay-popup-divider {
        display: none;
        width: min(72%, 640px);
        height: 4px;
        margin: 1rem auto 1.3rem;
        background: #FFF627;
      }

      #okay-popup.is-mobile-input #okay-popup-title,
      #okay-popup.is-mobile-input #okay-popup-divider,
      #okay-popup.is-mobile-input #okay-popup-image {
        display: none;
      }

      #okay-popup-image {
        width: auto;
        max-width: 100%;
        max-height: min(44vh, 360px);
        height: auto;
        margin: 0 auto;
        display: block;
        object-fit: contain;
        opacity: 1;
        transition: opacity 700ms ease;
      }

      #okay-popup-image.is-switching {
        opacity: 0;
      }

      @media (max-height: 760px) {
        #okay-popup {
          width: min(92vw, 500px);
          padding: 0;
        }

        #okay-popup-image {
          max-height: min(38vh, 280px);
        }
      }

      #site-logo {
        --site-logo-color: #FFF627;
        position: fixed;
        top: clamp(0.75rem, 2vh, 1.5rem);
        left: clamp(0.75rem, 2vw, 1.5rem);
        z-index: 100002;
        display: block;
        width: clamp(80px, 12vw, 180px);
        aspect-ratio: 917 / 660;
        line-height: 0;
        pointer-events: auto;
        background: var(--site-logo-color);
        -webkit-mask: url("assets/images/UI/HWD UX-1.png") center / contain no-repeat;
        mask: url("assets/images/UI/HWD UX-1.png") center / contain no-repeat;
        transition: background-color var(--boot-fade-ms, 550ms) ease;
      }

      #site-logo img {
        width: 100%;
        height: 100%;
        display: block;
        opacity: 0;
      }

      #site-logo.loaded {
        --site-logo-color: #0000CC;
      }

      .hls-video-source {
        position: fixed;
        left: -2px;
        top: -2px;
        width: 1px;
        height: 1px;
        opacity: 0;
        pointer-events: none;
        z-index: -1;
      }

      #okay-popup-mobile-instruction {
        display: none;
        opacity: 1;
        transition: opacity 700ms ease;
      }

      #okay-popup.is-mobile-input #okay-popup-mobile-instruction {
        display: block;
        width: 100%;
      }

      #okay-popup-mobile-instruction.is-switching {
        opacity: 0;
      }

      #okay-popup-mobile-text {
        font-weight: 300;
        color: #FFF627;
        font-size: clamp(0.78rem, 3.65vw, 0.98rem);
        line-height: 1.18;
        text-align: center;
        font-family: "futura-pt", sans-serif;
        font-style: normal;
        user-select: none;
        max-width: 24ch;
        margin: 0 auto;
      }

      #okay-popup-thumbsticks {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: start;
        gap: clamp(0.85rem, 4vw, 1.25rem);
        width: min(100%, 14rem);
        margin: clamp(1.15rem, 5.5vw, 1.55rem) auto 0;
      }

      .thumbstick-control {
        display: grid;
        justify-items: center;
        gap: 0.45rem;
      }

      .thumbstick-ring {
        position: relative;
        width: clamp(3rem, 14vw, 4rem);
        aspect-ratio: 1;
        border-radius: 50%;
        background: rgba(255, 246, 39, 0.8);
        box-sizing: border-box;
      }

      .thumbstick-ring::after {
        content: "";
        position: absolute;
        inset: 27%;
        border-radius: 50%;
        background: #FFF627;
      }

      .thumbstick-separator {
        color: rgba(255, 246, 39, 0.72);
        font-family: "futura-pt", sans-serif;
        font-size: clamp(2.4rem, 12vw, 3.5rem);
        font-weight: 300;
        line-height: 0.9;
      }

      .thumbstick-label {
        color: #FFF627;
        font-family: "futura-pt", sans-serif;
        font-size: clamp(0.72rem, 3.3vw, 0.9rem);
        font-weight: 300;
        line-height: 1;
      }

      @media (max-width: 480px) {
        #okay-popup {
          width: min(88vw, 340px);
        }

        #okay-popup.is-input-ready {
          min-height: clamp(9.75rem, 52vw, 13.5rem);
        }

        #bootCaption {
          font-size: clamp(1rem, 5vw, 1.4rem);
          gap: 0.35rem;
          padding: 0 1rem;
        }

        #cross-button {
          width: 36px;
          height: 36px;
          top: 0.85rem;
          right: 0.85rem;
        }

        #cross-button-image {
          display: none;
        }

        #okay-popup-title,
        #okay-popup-divider { display: none; }

        #okay-popup-mobile-instruction {
          width: 100%;
        }

        #okay-popup-image {
          display: block;
          max-width: 100%;
          max-height: min(46vh, 320px);
        }
      }