.home-section {
        min-height: 100vh;
      }

      .reflex-trainer-section {
        margin: 42px 0 0;
      }

      .reflex-trainer-head {
        align-items: center;
      }

      .reflex-trainer-head h1 {
        letter-spacing: -0.035em;
      }

      .reflex-game-card {
        width: min(100%, 980px);
        margin: 0 auto;
        padding: clamp(16px, 3vw, 28px);
        border: 1px solid var(--soft-border);
        border-radius: 24px;
        /* background:
          radial-gradient(circle at top right, rgba(233, 103, 84, 0.13), transparent 34%),
          linear-gradient(180deg, var(--paper-color), #f7f8f4); */
        box-shadow: var(--strong-shadow);
      }

      .reflex-hud {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
        max-width: 720px;
        margin: 0 auto 18px;
      }

      .reflex-hud-pill {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px 14px;
        border: 1px solid rgba(21, 50, 67, 0.18);
        border-radius: 999px;
        background-color: rgba(255, 255, 255, 0.62);
        color: var(--primary-color);
        font-family: "Montserrat", sans-serif;
        font-size: clamp(0.92rem, 2vw, 1.08rem);
        font-weight: 800;
        letter-spacing: 0.02em;
        font-variant-numeric: tabular-nums;
        box-shadow: 0 8px 18px rgba(21, 50, 67, 0.07);
      }

      .reflex-hud-pill.main {
        color: #fff;
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        font-size: clamp(1.06rem, 2.6vw, 1.32rem);
        box-shadow: 0 12px 24px rgba(21, 50, 67, 0.18);
      }

      .reflex-canvas-wrap {
        position: relative;
        max-width: 900px;
        margin: 0 auto;
        border-radius: 22px;
        overflow: hidden;
        background-color: #102c3a;
        /* box-shadow: 0 18px 40px rgba(11, 26, 36, 0.22); */
      }

      .reflex-canvas-wrap::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        border: 1px solid rgba(254, 254, 250, 0.08);
        border-radius: inherit;
        z-index: 2;
      }

      #gameCanvas {
        display: block;
        width: 100%;
        max-width: 900px;
        aspect-ratio: 3 / 2;
        background-color: #102c3a;
        cursor: pointer;
        cursor: crosshair;
        touch-action: none;
      }

      .reflex-start-layer {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        /* background:
          radial-gradient(circle at center, rgba(254, 254, 250, 0.13), transparent 34%),
          rgba(11, 26, 36, 0.58); */
        backdrop-filter: blur(3px);
        /* transition: opacity 180ms ease, visibility 180ms ease; */
        z-index: 3;
      }

      .reflex-start-layer.is-hidden {
        display: none;
      }

      .reflex-start-button {
        width: 124px;
        height: 124px;
        border: 2px solid rgba(254, 254, 250, 0.28);
        border-radius: 999px;
        background-color: var(--accent-color);
        color: #fff;
        font-family: "Montserrat", sans-serif;
        font-size: 1rem;
        font-weight: 900;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        cursor: pointer;
        box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
        /* transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease; */
      }

      .reflex-start-button:hover {
        /* transform: translateY(-2px) scale(1.025); */
        /* background-color: #d94f5c; */
        /* box-shadow: 0 22px 48px rgba(0, 0, 0, 0.34); */
        transform: scale(1.05);
      }

      .reflex-start-button:active {
        transform: translateY(0) scale(0.985);
      }

      .reflex-stats {
        max-width: 900px;
        margin: 18px auto 0;
        padding: clamp(16px, 2.4vw, 22px);
        border: 1px solid var(--soft-border);
        border-radius: 20px;
        background-color: rgba(254, 254, 250, 0.94);
        box-shadow: var(--soft-shadow);
      }

      .reflex-stats.is-hidden {
        display: none;
      }

      .reflex-stats h2 {
        margin: 0 0 14px;
        font-size: clamp(20px, 3vw, 26px);
        color: var(--primary-dark);
      }

      .reflex-stats-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 10px;
      }

      .reflex-stat-card {
        min-height: 76px;
        padding: 12px;
        border: 1px solid rgba(21, 50, 67, 0.13);
        border-radius: 16px;
        background-color: #fff;
      }

      .reflex-stat-card span {
        display: block;
        color: var(--muted-text);
        font-size: 0.76rem;
        line-height: 1.25;
      }

      .reflex-stat-card strong {
        display: block;
        margin-top: 5px;
        color: var(--primary-dark);
        font-family: "Montserrat", sans-serif;
        font-size: 1.04rem;
        font-weight: 800;
        font-variant-numeric: tabular-nums;
      }

      .reflex-level-table-wrap {
        overflow-x: auto;
        margin-top: 14px;
      }

      .reflex-level-table {
        width: 100%;
        min-width: 700px;
        border-collapse: collapse;
        font-variant-numeric: tabular-nums;
      }

      .reflex-level-table th,
      .reflex-level-table td {
        padding: 10px 8px;
        border-bottom: 1px solid rgba(21, 50, 67, 0.11);
        text-align: right;
        color: var(--primary-dark);
        font-size: 0.84rem;
      }

      .reflex-level-table th:first-child,
      .reflex-level-table td:first-child {
        text-align: left;
      }

      .reflex-level-table th {
        color: var(--muted-text);
        font-weight: 800;
      }

      @media (max-width: 768px) {
        .reflex-trainer-head {
          align-items: flex-start;
        }

        .reflex-game-card {
          border-radius: 20px;
        }

        .reflex-hud {
          grid-template-columns: 1fr 1fr;
        }

        .reflex-hud-pill.main {
          grid-column: 1 / -1;
          grid-row: 1;
        }

        .reflex-stats-grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .reflex-start-button {
          width: 106px;
          height: 106px;
          font-size: 0.92rem;
        }
      }

      @media (max-width: 420px) {
        .reflex-hud {
          gap: 8px;
        }

        .reflex-hud-pill {
          min-height: 40px;
          padding: 7px 10px;
        }

        .reflex-stats-grid {
          grid-template-columns: 1fr;
        }
      }

      /* -------- sound toggle */
      .sound-toggle {
        /* position: absolute;
  top: 18px;
  right: 18px; */

        /* width: 44px;
        height: 44px; */

        width: 100%;
        height: 100%;

        display: flex;
        align-items: center;
        justify-content: center;

        padding: 0;

        border: none;
        background: transparent;

        cursor: pointer;

        z-index: 10;
      }

      .sound-toggle img {
        width: 27px;
        height: 27px;

        display: block;

        pointer-events: none;
      }
      /* -------- */

      .tr-game-info {
        margin-top: 20px;
        width: min(100%, 1180px);
        padding: 0 10px;
      }

      .tr-game-info-h {
        margin-bottom: 16px;
      }
      .tr-game-info-p {
        margin-bottom: 10px;
      }