.notes { margin-top: 32px; padding: 24px; border: 2px solid var(--line); border-radius: 24px; }
.notes h2 { font-size: 1.5rem; }
.notes p { margin-top: 12px; font-size: 17px; }
.notes ul { padding: 0; list-style: none; display: grid; gap: 10px; margin-top: 20px; }
.src { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; min-height: 52px; border-radius: 14px; border: 2px solid var(--line); background: var(--paper); box-shadow: 0 3px 0 var(--line); font-size: 16px; line-height: 1.45; font-weight: 700; letter-spacing: .055em; text-transform: uppercase; text-decoration: none; }
.src:hover { background: var(--tile); }
.src:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.src .arr { flex: 0 0 auto; }
.foot { padding-block: 32px 44px; border-top: 2px solid var(--line); }
.foot p { font-size: 18px; max-width: 70ch; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 20px; }
.foot a { display: inline-flex; align-items: center; padding: 12px 14px; min-height: 48px; font-size: 17px; border-radius: 12px; }
.foot a:hover { background: var(--tile); }
@media (max-width: 640px) {
  .notes { padding: 22px 16px; }
  .src { padding-inline: 12px; }
  .foot { padding-block: 26px 34px; }
  .foot nav { display: grid; grid-template-columns: minmax(0,1fr); gap: 4px; }
  .foot a { width: 100%; padding-left: 0; }
}