.download-page { max-width: 780px; margin: 0 auto; padding: clamp(36px, calc(40vh - 280px), 160px) 24px 24px; text-align: center; }
.download-page h1 { font-size: clamp(30px, 3vw, 40px); font-weight: 500; letter-spacing: -.035em; line-height: 1.15; }
.download-intro { color: var(--fg-3); margin-top: 6px; font-size: 15px; }
.download-layout { margin-top: clamp(28px, calc(12vh - 76px), 54px); }
.platform-choices { display: flex; justify-content: center; gap: 16px; }
.platform-choice { flex: 1; max-width: 148px; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px; border: 1px solid transparent; border-radius: 14px; background: transparent; color: var(--fg-2); font: inherit; font-size: 15px; cursor: pointer; }
.platform-choice .platform-icon { display: block; width: 30px; height: 30px; }
.platform-choice:hover { background: var(--bg-2); }
.platform-choice[aria-pressed="true"] { background: var(--bg-3); border-color: var(--border-2); color: var(--fg); }
.download-panel { min-width: 0; max-width: 640px; margin: clamp(32px, calc(16vh - 96px), 76px) auto 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.download-page [hidden] { display: none; }
.download-command { display: inline-grid; grid-template-columns: minmax(0, 1fr) 32px; align-items: center; width: max-content; max-width: 100%; min-height: 56px; gap: 16px; padding: 12px 16px; border-radius: 12px; }
.download-command .cmd-copy { width: 32px; height: 32px; padding: 6px; margin-left: 0; justify-content: center; border: 0; background: transparent; border-radius: 6px; }
.download-command .cmd-copy:hover { background: var(--bg-3); transform: none; }
.download-command .copied-icon, .download-command .is-copied .copy-icon { display: none; }
.download-command .is-copied .copied-icon { display: block; }
.download-command .cmd-text { font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; text-align: left; line-height: 1.6; }
.shell-hint { margin-top: 12px; color: var(--fg-2); font-size: 13px; }
.download-or { margin: 14px 0; color: var(--fg-3); font-size: 13px; }
.download-primary { justify-content: center; min-width: 280px; max-width: 100%; padding: 12px 24px; font-weight: 500; font-size: 16px; }
.manual-downloads { margin-top: 12px; font-size: 14px; color: var(--fg-2); }
.manual-downloads summary { cursor: pointer; padding: 8px; }
.manual-download-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 24px; padding: 12px 0; }
.download-requirements { margin-top: 22px; color: var(--fg-3); font-size: 13px; line-height: 1.6; }
.launch-help { margin-top: 16px; border-top: 1px solid var(--border); text-align: left; scroll-margin-top: 96px; }
.launch-help h3 { margin: 12px 0 8px; color: var(--fg-2); font-size: 14px; font-weight: 500; }
.launch-help-body { color: var(--fg-3); font-size: 13px; line-height: 1.6; }
.launch-help-body p + p, .launch-help-body code + p { margin-top: 6px; }
.launch-help-body strong { color: var(--fg-2); font-weight: 500; }
.launch-help-body code { display: block; padding: 6px 10px; margin-top: 6px; border-radius: 8px; background: var(--bg-2); font-family: var(--zi-mono); overflow-wrap: anywhere; }
.download-panel a:not(.dl-btn) { text-decoration: underline; text-underline-offset: 3px; }
.download-back { display: inline-block; color: var(--fg-2); margin-top: 16px; font-size: 13px; }
.download-page :is(a, button, select, summary):focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }
@media (min-width: 761px) and (max-height: 800px) {
  .download-page { padding-top: 24px; padding-bottom: 12px; }
  .download-page h1 { font-size: 34px; }
  .download-layout { margin-top: 14px; }
  .platform-choice { padding: 8px 12px; gap: 6px; }
  .platform-choice .platform-icon { width: 26px; height: 26px; }
  .download-panel { margin-top: 14px; }
  .shell-hint { margin-top: 6px; }
  .download-or { margin: 8px 0; }
  .download-requirements { margin-top: 12px; }
  .download-back { margin-top: 12px; }
}
@media (max-width: 480px) {
  .download-page { padding: 36px 20px 24px; }
  .platform-choices { gap: 8px; }
  .download-panel { margin-top: 20px; }
  .platform-choice { font-size: 14px; padding: 16px 6px; }
  .download-command { padding: 12px; gap: 6px; min-height: 88px; }
  .download-command .cmd-text { font-size: 12px; }
  .download-primary { min-width: 0; width: 100%; }
}