.unit-landing { min-height: 100dvh; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.unit-landing .site-header, .unit-landing main, .unit-landing footer { width: min(100% - 48px, 1080px); }
.unit-landing .site-header { min-height: 100px; }
.unit-landing .brand-lockup { width: 72px; }
.unit-language { display: flex; gap: 4px; }
.unit-language button { border: 0; background: transparent; padding: 12px; font: inherit; color: var(--text-secondary); border-radius: 8px; cursor: pointer; }
.unit-language button[aria-pressed="true"] { background: var(--surface); color: var(--text); font-weight: 700; }
.unit-intro { padding: 56px 0 32px; max-width: 780px; }
.unit-intro h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.2; margin: 12px 0; letter-spacing: -.04em; }
.unit-name { font-size: 1.35rem; color: var(--text-secondary); margin: 12px 0 24px; }
.unit-goal { font-size: 1.125rem; line-height: 1.7; max-width: 65ch; }
.unit-reassurance { color: var(--text-secondary); font-size: .9rem; }
.unit-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; padding: 20px 0 56px; align-items: start; }
.unit-practice { min-width: 0; border-top: 3px solid var(--brand); padding: 28px 0; }
.unit-practice h2, .unit-continue h2 { margin: 0 0 16px; font-size: 1.4rem; }
.unit-practice p, .unit-continue p { line-height: 1.65; }
.unit-continue { background: var(--surface); border: 1px solid var(--outline); border-radius: 16px; padding: 24px; }
.unit-qr { text-align: center; }
.unit-qr img { display: block; max-width: 100%; height: auto; margin-inline: auto; }
.unit-qr p { font-size: .82rem; color: var(--text-secondary); }
.unit-landing button.primary-link, .unit-landing button.secondary-link { font: inherit; min-height: 44px; cursor: pointer; }
.unit-landing button:disabled { opacity: .6; cursor: default; }
.unit-landing .store-actions { display: grid; gap: 12px; margin-top: 24px; }
.unit-landing .store-cta { text-align: center; justify-content: center; }
.unit-landing .store-cta:disabled { opacity: 1; color: var(--text-secondary); background: var(--surface); border-color: var(--outline); transform: none; }
.unit-small { font-size: .82rem; color: var(--text-secondary); margin-top: 24px; }
.unit-continue details { border-top: 1px solid var(--outline); margin-top: 24px; padding-top: 20px; }
.unit-continue summary { cursor: pointer; min-height: 44px; font-weight: 650; line-height: 1.5; }
.unit-continue details p { font-size: .9rem; }
.unit-link { overflow-wrap: anywhere; }
.preview-question { scroll-margin-top: 24px; }
.preview-question fieldset { margin: 20px 0; border: 0; padding: 0; min-width: 0; }
.preview-question legend { font-size: 1.4rem; font-weight: 650; line-height: 1.65; margin-bottom: 20px; }
.preview-passage { white-space: pre-line; padding: 20px; background: var(--surface); border-left: 3px solid var(--outline); border-radius: 0 8px 8px 0; font-size: 1.125rem; }
.preview-options { display: grid; gap: 12px; }
.preview-options label { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; align-items: center; border: 1px solid var(--outline); background: var(--surface); padding: 16px; border-radius: 10px; min-height: 52px; cursor: pointer; }
.preview-options label:has(input:checked) { border-color: var(--brand); background: #fff0f5; }
.preview-options input { margin: 0; width: 18px; height: 18px; accent-color: var(--brand); }
.preview-options span { line-height: 1.6; overflow-wrap: anywhere; }
.preview-feedback { border-top: 1px solid var(--outline); padding-top: 16px; margin-top: 24px; }
.preview-feedback [data-answer-label] { font-weight: 700; }
.unit-clip-info { max-width: 780px; padding-bottom: 24px; }
.unit-clip-info:empty { display: none; }
.unit-landing [hidden] { display: none !important; }
.unit-landing :focus-visible { outline: 3px solid var(--brand); outline-offset: 4px; }
@media (prefers-reduced-motion: no-preference) {
  .unit-landing button, .preview-options label { transition: transform 160ms ease, opacity 160ms ease; }
  .unit-landing button:active { transform: scale(.98); }
}
@media (max-width: 760px) {
  .unit-landing .site-header, .unit-landing main, .unit-landing footer { width: min(100% - 32px, 600px); }
  .unit-intro { padding-top: 32px; }
  .unit-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 0; }
  .unit-continue { padding: 24px; }
}