*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0095d9; /* solid blue behind card */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden; /* prevent scrolling */
}

.page {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  min-height: 720px;
  border-radius: 32px;
  background: linear-gradient(180deg, #0095d9 0%, #006ea8 100%);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  padding: 40px 32px 16px; /* less bottom padding so button sits higher */
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
}

.logo {
  max-width: 220px;
  max-height: 160px;
  object-fit: contain;
}

.card-body {
  flex: 1;
  text-align: center;
}

.title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.text {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 14px;
}

.text.emphasis {
  font-weight: 600;
  margin-top: 12px;
  margin-bottom: 22px;
}

.card-footer {
  margin-top: 4px; /* move button closer to text */
}

.download-btn {
  width: 100%;
  border: none;
  border-radius: 28px;
  padding: 18px 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #ff9f1a;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
  transition: transform 0.08s ease-out, box-shadow 0.08s ease-out, background 0.08s ease-out;
}

.download-btn:hover {
  background: #ffb038;
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.3);
}

.download-btn:active {
  transform: translateY(1px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

.download-icon {
  font-size: 18px;
}

/* Small screens */
@media (max-width: 480px) {
  html, body {
    height: 100%;
    overflow: hidden; /* extra safety on mobile */
  }

  .page {
    padding: 0; /* remove extra padding to avoid scroll */
  }

  .card {
    min-height: 100vh; /* fill full mobile height */
    border-radius: 0;  /* card becomes full-screen, no grey edges */
    padding: 32px 20px 24px;
  }

  .title {
    font-size: 22px;
  }

  .text {
    font-size: 14px;
  }

  .download-btn {
    font-size: 15px;
  }
}