/* ======================================================================
   CSS  for all teh choice-page html pages
   Fully corrected version with stable mobile/desktop behaviour.
   Sidebar width is now adjustable via --sidebar-width (see annotation).
   ====================================================================== */



    .container {
      max-width: 760px;
      margin: 0 auto;
      padding: 0 3rem 0 3rem
    }


    .subtitle {
      font-size: 1rem;
/*  color: var(--secondary-color);*/
      margin-bottom: 2.5rem;
    }
    

    .subtitle strong {
      font-weight: 600;
    }

    .book-cover {
      text-align: center;
      margin-bottom: 2rem;
    }

    .book-cover img {
      max-width: 220px;
      width: 100%;
      border-radius: 10px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.12);
      margin-top:3rem;
    }
    
    .format-group {
  margin-bottom: 3rem;
  padding: 2rem 1.75rem;
  border-radius: 16px;
  background: #f7f8fa;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}

.format-title {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}


    .platforms {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    .platform {
      background: #ffffff;           /* solid white background */
      border-radius: 14px;           /* rounded corners */
      padding: 1.5rem 1.75rem;       /* inner spacing */
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06); /* subtle shadow for depth */
      transition: transform 0.15s ease, box-shadow 0.15s ease; /* hover effect */
    }
    
    .platform:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08); /* slightly stronger on hover */
    }
    
    .platform a {
      display: block;
      text-decoration: none;
      color: inherit;
    }    .platform h2 {
          margin: 0 0 0.25rem 0;
          font-size: 1.25rem;
        }

    .platform p {
      margin: 0.25rem 0 0 0;
      color: #444;
      font-size: 0.95rem;
    }

    .note {
      margin-top: 2.5rem;
      font-size: 0.9rem;
/*  color: var(--secondary-color);*/
    }
    .donation-note {
  font-size: 0.8em;
  opacity: 0.8;
  font-style: italic;
}

.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  text-decoration: none;
  color: #007BFF;
  font-weight: 500;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.back-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.back-button svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.coming_soon {
  opacity: 0.5;
}

.coming_soon a {
  pointer-events: none;
  cursor: default;
}

.coming_soon h2,
.coming_soon p {
  color: inherit;
}