:root {
      --marriott-red: #a6192e;
      --marriott-red-dark: #7f1021;
      --ink: #1f2937;
      --muted: #667085;
      --line: #e8e8eb;
      --surface: #ffffff;
      --surface-soft: #f7f7f8;
      --success: #157347;
      --shadow: 0 24px 70px rgba(24, 24, 27, 0.10);
      --radius: 22px;
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      min-height: 100%;
      margin: 0;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 10% 10%, rgba(166, 25, 46, 0.07), transparent 28rem),
        radial-gradient(circle at 90% 90%, rgba(17, 24, 39, 0.05), transparent 30rem),
        #f5f5f6;
      display: grid;
      place-items: center;
      padding: 32px 20px;
    }

    .maintenance-shell {
      width: min(1080px, 100%);
    }

    .maintenance-card {
      position: relative;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.97);
      border: 1px solid rgba(17, 24, 39, 0.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .top-line {
      height: 5px;
      background: linear-gradient(90deg, var(--marriott-red), #cf4056, var(--marriott-red-dark));
    }

    .content {
      padding: 48px 56px 44px;
      text-align: center;
    }

    .logo-wrap {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 25px;
    }

    .brand-logo {
      max-width: 175px;
      max-height: 62px;
      object-fit: contain;
    }

    .brand-fallback {
      font-family: Georgia, "Times New Roman", serif;
      font-size: 26px;
      font-weight: 700;
      letter-spacing: -0.4px;
      color: #111;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: #fdf2f4;
      color: var(--marriott-red);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 20px;
    }

    .eyebrow-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--marriott-red);
      animation: pulse 1.8s infinite;
    }

    h1 {
      margin: 0;
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      color: #18181b;
    }

    .lead {
      max-width: 760px;
      margin: 20px auto 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.75;
    }

    .lead strong {
      color: #3f3f46;
    }

    .countdown-section {
      margin: 38px auto 0;
      max-width: 760px;
    }

    .countdown-title {
      margin: 0 0 14px;
      font-size: 13px;
      color: #71717a;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, minmax(95px, 1fr));
      gap: 12px;
    }

    .time-box {
      padding: 19px 10px 16px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
    }

    .time-number {
      display: block;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1;
      font-weight: 700;
      color: var(--marriott-red);
      font-variant-numeric: tabular-nums;
      letter-spacing: -0.03em;
    }

    .time-label {
      display: block;
      margin-top: 8px;
      color: #71717a;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .progress-wrap {
      margin-top: 18px;
      height: 5px;
      overflow: hidden;
      border-radius: 999px;
      background: #eeeeef;
    }

    .progress-bar {
      width: 100%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--marriott-red), #cb4256);
      transform-origin: left center;
      transition: width 1s linear;
    }

    .status-row {
      margin-top: 30px;
      padding-top: 25px;
      border-top: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      color: #52525b;
      font-size: 14px;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      background: #eef8f2;
      color: var(--success);
      font-weight: 700;
      font-size: 12px;
    }

    .status-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: currentColor;
    }

    .actions {
      margin-top: 25px;
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn {
      min-width: 145px;
      padding: 12px 18px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: #fff;
      color: #3f3f46;
      font: inherit;
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      text-decoration: none;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(0,0,0,.07);
    }

    .btn-primary {
      border-color: var(--marriott-red);
      background: var(--marriott-red);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--marriott-red-dark);
    }

    .footer {
      padding: 17px 24px 19px;
      border-top: 1px solid var(--line);
      background: var(--surface-soft);
      color: #8a8a91;
      text-align: center;
      font-size: 12px;
      line-height: 1.6;
    }

    .complete-message {
      display: none;
      margin: 32px auto 0;
      max-width: 600px;
      padding: 18px 20px;
      border: 1px solid #cce5d7;
      border-radius: 14px;
      background: #f1faf5;
      color: #166534;
      font-weight: 700;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .35; transform: scale(.8); }
    }

    @media (max-width: 700px) {
      body {
        padding: 18px 12px;
      }

      .content {
        padding: 36px 20px 32px;
      }

      .lead {
        font-size: 15px;
      }

      .countdown {
        grid-template-columns: repeat(2, minmax(110px, 1fr));
      }
    }

    @media (max-width: 390px) {
      .countdown {
        grid-template-columns: repeat(2, 1fr);
      }

      .time-box {
        padding-left: 6px;
        padding-right: 6px;
      }
    }