/* ─── Demo Page Background ─── */
    .demo-text {
      font-family: 'Open Sans', sans-serif;
      text-align: center;
      color: #32404E;
      font-family: 'Aleo', serif;
      opacity: 0.4;
      font-size: 1.2rem;
      user-select: none;
    }

    /* ─── Floating Button Container ─── */
    .donate-float {
      position: fixed;
      bottom: 32px;
      right: 32px;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 12px;
    }

    /* ─── Tooltip Card ─── */
    .donate-tooltip {
      background: #32404E;
      color: #fff;
      border-radius: 14px;
      padding: 14px 18px;
      width: 240px;
      box-shadow:
        0 8px 32px rgba(50,64,78,0.28),
        0 2px 8px rgba(50,64,78,0.18);
      font-family: 'Open Sans', sans-serif;
      position: relative;
      transform: translateY(6px) scale(0.96);
      transform-origin: bottom right;
      opacity: 0;
      pointer-events: none;
      transition:
        opacity 0.28s cubic-bezier(.4,0,.2,1),
        transform 0.28s cubic-bezier(.4,0,.2,1);
    }

    .donate-tooltip::after {
      content: '';
      position: absolute;
      bottom: -8px;
      right: 22px;
      width: 16px;
      height: 16px;
      background: #32404E;
      clip-path: polygon(0 0, 100% 0, 50% 100%);
    }

    .donate-tooltip-label {
      font-size: 0.6rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #F08B1D;
      margin-bottom: 4px;
    }

    .donate-tooltip-title {
      font-family: 'Aleo', serif;
      font-size: 0.92rem;
      font-weight: 700;
      line-height: 1.4;
      color: #ffffff;
      margin-bottom: 8px;
    }

    .donate-tooltip-divider {
      height: 1px;
      background: rgba(255,255,255,0.12);
      margin: 8px 0;
    }

    .donate-tooltip-stat {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: 0.72rem;
      color: rgba(255,255,255,0.75);
    }

    .donate-tooltip-stat .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #F08B1D;
      flex-shrink: 0;
    }

    .donate-tooltip-cta {
      margin-top: 10px;
      font-size: 0.68rem;
      font-weight: 600;
      color: #F08B1D;
      letter-spacing: 0.04em;
    }

    /* ─── Tooltip Visible State ─── */
    .donate-float:hover .donate-tooltip,
    .donate-float:focus-within .donate-tooltip {
      opacity: 1;
      transform: translateY(0) scale(1);
      pointer-events: auto;
      color:#fff;
    }

    /* ─── Button ─── */
    .donate-btn {
      display: flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #F08B1D 0%, #e07a0a 60%, #F08B1D 100%);
      background-size: 200% 200%;
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 15px 26px;
      font-family: 'Open Sans', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      cursor: pointer;
      box-shadow:
        0 6px 24px rgba(240,139,29,0.45),
        0 2px 8px rgba(240,139,29,0.3),
        inset 0 1px 0 rgba(255,255,255,0.25);
      outline: none;
      text-decoration: none;
      position: relative;
      overflow: hidden;
      animation:
        bgShift 3s ease-in-out infinite,
        floatPulse 3.5s ease-in-out infinite;
      transition: transform 0.18s ease, box-shadow 0.18s ease;
    }

    /* Shimmer sweep */
    .donate-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -75%;
      width: 50%;
      height: 100%;
      background: linear-gradient(
        120deg,
        transparent 0%,
        rgba(255,255,255,0.38) 50%,
        transparent 100%
      );
      animation: shimmer 2.4s ease-in-out infinite;
      pointer-events: none;
    }

    /* Outer glow ring */
    .donate-btn::after {
      content: '';
      position: absolute;
      inset: -3px;
      border-radius: 50px;
      border: 2px solid rgba(240,139,29,0.45);
      animation: glowRing 2.4s ease-in-out infinite;
      pointer-events: none;
    }

    .donate-btn:hover {
      transform: translateY(-2px) scale(1.03);
      box-shadow:
        0 12px 36px rgba(240,139,29,0.55),
        0 4px 12px rgba(240,139,29,0.38),
        inset 0 1px 0 rgba(255,255,255,0.3);
        color:#fff;
    }

    .donate-btn:active {
      transform: translateY(0) scale(0.98);
    }

    /* Heart icon */
    .donate-btn .btn-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: rgba(255,255,255,0.2);
      border-radius: 50%;
      flex-shrink: 0;
      animation: heartbeat 2s ease-in-out infinite;
    }

    .donate-btn .btn-icon svg {
      width: 13px;
      height: 13px;
      fill: #fff;
    }

    .donate-btn .btn-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .donate-btn .btn-text .btn-main {
      font-size: 0.9rem;
      font-weight: 700;
    }

    .donate-btn .btn-text .btn-sub {
      font-size: 0.62rem;
      font-weight: 400;
      opacity: 0.88;
      letter-spacing: 0.02em;
    }

    /* ─── Keyframes ─── */
    @keyframes shimmer {
      0%   { left: -75%; }
      60%  { left: 125%; }
      100% { left: 125%; }
    }

    @keyframes bgShift {
      0%   { background-position: 0% 50%; }
      50%  { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    @keyframes floatPulse {
      0%, 100% { box-shadow: 0 6px 24px rgba(240,139,29,0.45), 0 2px 8px rgba(240,139,29,0.3), inset 0 1px 0 rgba(255,255,255,0.25); }
      50%       { box-shadow: 0 10px 32px rgba(240,139,29,0.60), 0 4px 14px rgba(240,139,29,0.4), inset 0 1px 0 rgba(255,255,255,0.25); }
    }

    @keyframes glowRing {
      0%, 100% { opacity: 0.5; transform: scale(1); }
      50%       { opacity: 1;   transform: scale(1.04); }
    }

    @keyframes heartbeat {
      0%, 100% { transform: scale(1); }
      14%       { transform: scale(1.2); }
      28%       { transform: scale(1); }
      42%       { transform: scale(1.15); }
      56%       { transform: scale(1); }
    }

    /* ─── Mobile ─── */
    @media (max-width: 480px) {
      .donate-float {
        bottom: 20px;
        right: 16px;
      }

      .donate-tooltip {
        width: 200px;
        padding: 11px 14px;
      }

      .donate-tooltip-title {
        font-size: 0.8rem;
      }

      .donate-btn {
        padding: 12px 18px;
        gap: 8px;
      }

      .donate-btn .btn-text .btn-main {
        font-size: 0.78rem;
      }

      .donate-btn .btn-text .btn-sub {
        font-size: 0.56rem;
      }

      .donate-btn .btn-icon {
        width: 20px;
        height: 20px;
      }

      .donate-btn .btn-icon svg {
        width: 11px;
        height: 11px;
      }
    }