@media (max-width: 991.98px) {
  .game-shell {
    width: min(690px, calc(100% - 28px));
  }

  .game-layout {
    min-height: 0;
    padding-top: 30px;
  }

  .intro-panel {
    padding: 0 6px;
  }

  .intro-panel h1 {
    max-width: none;
    font-size: clamp(3.3rem, 9vw, 4.9rem);
  }

  .intro-lead {
    max-width: 620px;
    margin-top: 15px;
  }

  .intro-extras {
    display: none;
  }

  .board-card {
    margin-top: 8px;
  }
}

@media (max-width: 767.98px) {
  .game-shell {
    width: min(560px, calc(100% - 20px));
    padding: 10px 0 14px;
  }

  .home-link {
    position: absolute;
    top: 10px;
    left: 10px;
  }

  .game-topbar {
    min-height: 44px;
    margin-left: 52px;
  }

  .game-brand > span:last-child {
    display: none;
  }

  .text-action {
    width: 44px;
    padding: 0;
    background: var(--surface);
    font-size: 0;
  }

  .text-action::before {
    content: "?";
    font-size: 1rem;
  }

  .game-layout {
    padding-top: 10px;
  }

  .eyebrow {
    font-size: 0.61rem;
  }

  .intro-panel h1 {
    margin-top: 6px;
    font-size: clamp(2.5rem, 12vw, 3.45rem);
    line-height: 0.92;
  }

  .intro-lead {
    margin-top: 9px;
    font-size: 0.82rem;
    line-height: 1.4;
  }

  .board-card {
    padding: 13px;
    border-radius: 22px;
  }

  .board-header {
    margin-bottom: 10px;
  }

  .board-header h2 {
    font-size: 1.9rem;
  }

  .board-kicker {
    font-size: 0.55rem;
  }

  .score-card {
    min-width: 58px;
    min-height: 45px;
    padding: 4px 6px;
    border-radius: 10px;
  }

  .score-card strong {
    max-width: 72px;
    font-size: 0.88rem;
  }

  .number-board {
    gap: clamp(6px, 2.1vw, 9px);
    padding: clamp(7px, 2.2vw, 10px);
    border-radius: 17px;
  }

  .board-footer {
    min-height: 42px;
    margin-top: 5px;
  }

  .status-line {
    max-width: 70%;
    font-size: 0.66rem;
  }

  .undo-button {
    min-height: 40px;
  }

  .direction-pad {
    width: 166px;
    display: grid;
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(2, 46px);
    justify-content: center;
    gap: 6px 8px;
    margin: 3px auto 0;
  }

  .direction-pad button {
    min-width: 46px;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    color: var(--ink);
    font-size: 1.25rem;
    font-weight: 800;
  }

  .direction-pad button:first-child {
    grid-column: 2;
  }

  .direction-pad button:nth-child(2) {
    grid-column: 1;
  }

  .direction-pad span {
    grid-column: 2;
    grid-row: 2;
    border-radius: 13px;
    background: var(--color-primary-soft);
  }

  .direction-pad button:nth-child(4) {
    grid-column: 3;
  }

  .direction-pad button:last-child {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (max-width: 380px) {
  .new-game-button {
    padding: 0 12px;
  }

  .intro-lead {
    max-width: 295px;
  }

  .score-row {
    gap: 4px;
  }

  .score-card {
    min-width: 52px;
  }

  .score-card--top {
    display: none;
  }

  .direction-pad {
    grid-template-columns: repeat(3, 46px);
    grid-template-rows: repeat(2, 44px);
  }
}

@media (max-height: 760px) and (max-width: 767.98px) {
  .intro-lead {
    display: none;
  }

  .game-layout {
    padding-top: 4px;
  }

  .intro-panel h1 {
    font-size: clamp(2.25rem, 10.5vw, 2.8rem);
  }

  .direction-pad {
    grid-template-rows: repeat(2, 42px);
  }

  .direction-pad button {
    min-height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}