.app-hero { padding: 54px 0 38px; border-bottom: 1px solid var(--line); }
.app-hero > .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.app-hero h1 { font-size: clamp(30px, 3.8vw, 48px); line-height: 1.25; letter-spacing: -1.4px; margin: 18px 0; text-wrap: balance; }
.app-hero p { color: var(--ink-soft); line-height: 1.8; max-width: 700px; font-size: 15px; }
.app-review-date { font-size: 11px; text-align: right; color: var(--ink-soft); flex-shrink: 0; }
.app-review-date strong { display: block; font-family: monospace; margin-top: 8px; font-size: 15px; }
.app-content { min-width: 0; }
.app-page-nav { display: flex; flex-wrap: wrap; gap: 8px; padding: 28px 0; border-bottom: 1px solid var(--line); margin-bottom: 36px; }
.app-page-nav a { padding: 10px 14px; font-size: 12px; border: 1px solid var(--line); background: var(--white); border-radius: 8px; }
.app-page-nav a.is-active { background: #203b30; border-color: #203b30; color: #f8faef; }
.app-system-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid #bfceb7; border-radius: 18px; overflow: hidden; background: #e9eedf; }
.app-system-flow > div { position: relative; padding: 28px; border-right: 1px solid #bfceb7; }
.app-system-flow > div:last-child { border-right: 0; background: #dde7cf; }
.app-system-number { font-family: monospace; font-size: 13px; color: #627453; }
.app-system-flow h3 { font-size: 21px; margin: 14px 0; }
.app-system-flow strong { font-size: 13px; font-weight: 500; line-height: 1.7; }
.app-system-flow p { font-size: 12px; line-height: 1.9; margin: 12px 0 0; color: var(--ink-soft); }
.app-catalog, .app-muse-family, .app-checklist { margin-top: 46px; }
.app-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.app-choice { display: flex; flex-direction: column; align-items: flex-start; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; transition: border-color 150ms ease; }
.app-choice:hover { border-color: #647759; }
.app-monogram { display: grid; place-items: center; width: 44px; height: 44px; background: var(--app-color); border-radius: 12px; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.app-choice > small { font-size: 11px; color: var(--ink-soft); }
.app-choice h3 { font-size: 22px; margin: 10px 0 18px; }
.app-choice > strong { font-size: 15px; line-height: 1.6; }
.app-choice > p { font-size: 13px; color: var(--ink-soft); line-height: 1.9; margin: 12px 0 24px; }
.app-card-bottom { border-top: 1px solid var(--line); padding-top: 16px; margin-top: auto; width: 100%; display: flex; gap: 12px; justify-content: space-between; align-items: center; font-size: 12px; }
.app-card-bottom svg { flex-shrink: 0; }
.app-family-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.app-family-grid a { background: #f1edf7; border: 1px solid #dcd5e6; border-radius: 12px; padding: 20px; display: grid; grid-template-columns: minmax(0, 1fr) 20px; gap: 12px; }
.app-family-grid strong { font-size: 15px; }
.app-family-grid span { grid-column: 1; font-size: 12px; line-height: 1.7; color: var(--ink-soft); }
.app-family-grid svg { grid-column: 2; grid-row: 1 / 3; align-self: center; }
.app-comparison-scroll .ai-comparison th:first-child { min-width: 116px; width: 116px; }
.app-comparison-scroll .ai-comparison th, .app-comparison-scroll .ai-comparison td { min-width: 226px; }
.app-comparison-scroll thead a { display: block; font-size: 12px; }
.app-comparison-scroll thead svg { width: 14px; height: 14px; vertical-align: middle; }
.app-checklist { padding: 26px; background: #e9eedf; border-radius: 16px; }
.app-checklist h2 { font-size: 23px; margin-top: 0; }
.app-checklist h3 { font-size: 16px; }
.app-checklist p { line-height: 1.9; font-size: 13px; color: var(--ink-soft); }
.app-detail { max-width: 960px; margin: auto; }
.app-change-note { padding: 24px 28px; border: 1px solid #bbccab; border-left: 4px solid #718954; background: #eaf0e1; border-radius: 10px; }
.app-change-note p { line-height: 1.9; margin: 12px 0 0; font-size: 15px; }
.app-fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 36px; margin: 28px 0; }
.app-fact-grid section { padding: 20px 0; border-bottom: 1px solid var(--line); }
.app-fact-grid h2, .app-permission-note h2 { font-size: 18px; margin: 0 0 12px; }
.app-fact-grid p, .app-permission-note p, .app-sources p { font-size: 14px; color: var(--ink-soft); line-height: 1.9; }
.app-permission-note { background: #f5eedf; border-radius: 12px; padding: 24px 28px; }
.app-permission-note p:last-child { margin-bottom: 0; }
.app-first-task { margin: 44px 0; }
.app-step-flow { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.app-step-flow li { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); position: relative; }
.app-step-flow li:not(:last-child)::after { content: "\2192"; position: absolute; right: -13px; top: 30px; z-index: 1; background: var(--paper, #f7f4ed); border-radius: 50%; width: 24px; text-align: center; }
.app-step-flow span { display: block; font-family: monospace; color: #63744f; font-size: 12px; margin-bottom: 14px; }
.app-step-flow strong { font-size: 14px; font-weight: 500; line-height: 1.9; }
.app-prompt { padding: 28px; background: #203b30; color: #f2f4e9; border-radius: 14px; margin-top: 24px; }
.app-prompt .eyebrow { color: #c9dda4; }
.app-prompt-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.app-copy-prompt { background: #f2f4e9; color: #203b30; border: 0; border-radius: 8px; padding: 10px 14px; font-size: 12px; font-weight: 600; cursor: pointer; }
.app-copy-prompt:disabled { opacity: .6; cursor: wait; }
.app-prompt p { font-size: 15px; line-height: 2; margin: 16px 0 0; user-select: text; }
.app-output { display: flex; align-items: center; gap: 18px; padding: 24px 4px; }
.app-output > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: #dce8c3; flex-shrink: 0; }
.app-output small { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 8px; }
.app-output strong { font-size: 16px; line-height: 1.7; }
.app-sources { border-top: 1px solid var(--line); padding-top: 28px; }
.app-sources h2 { font-size: 23px; }
.app-spotlight .button-dark { color: #fff; }
@media (max-width: 980px) {
  .app-choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app-system-flow > div { padding: 22px; }
  .app-family-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .app-hero { padding: 34px 0 26px; }
  .app-hero > .container { align-items: flex-start; flex-direction: column; gap: 8px; }
  .app-review-date { display: flex; align-items: baseline; gap: 10px; text-align: left; }
  .app-review-date strong { margin: 0; font-size: 13px; }
  .app-page-nav { gap: 7px; padding: 22px 0; }
  .app-page-nav a { padding: 9px 11px; }
  .app-system-flow, .app-choice-grid, .app-fact-grid, .app-step-flow { grid-template-columns: 1fr; }
  .app-system-flow > div { border-right: 0; border-bottom: 1px solid #bfceb7; }
  .app-system-flow > div:last-child { border-bottom: 0; }
  .app-system-flow h3 { margin: 10px 0; }
  .app-family-grid { grid-template-columns: 1fr; }
  .app-step-flow li { display: flex; align-items: baseline; gap: 16px; padding: 16px 20px; }
  .app-step-flow span { margin: 0; }
  .app-step-flow li:not(:last-child)::after { content: "\2193"; right: 22px; top: auto; bottom: -18px; }
  .app-change-note, .app-permission-note, .app-prompt { padding: 22px; }
  .app-fact-grid { gap: 0; }
  .app-comparison-scroll .ai-comparison th:first-child { min-width: 100px; width: 100px; padding: 15px; }
  .app-checklist .ai-change-grid { grid-template-columns: 1fr; gap: 4px; }
}