/* Public edition additions on top of the shared research stylesheet. */
/* The shared stylesheet's root-relative Geist paths exist only on the research host. */
@font-face { font-family: Geist; src: url("../../research-preview/public/assets/fonts/geist-400.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: Geist; src: url("../../research-preview/public/assets/fonts/geist-500.ttf") format("truetype"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: Geist; src: url("../../research-preview/public/assets/fonts/geist-600.ttf") format("truetype"); font-weight: 600; font-style: normal; font-display: swap; }
.kd-testflight-copy > p { font-size: 1.125rem; }
.publication h2 { font-weight: 600; }
.publication-summary { font-size: 1.0625rem; }

/* The iPhone request retains the existing TestFlight form and submission flow. */
.ios-request { max-width: 1120px; padding-block: 64px 80px; }
.kd-testflight-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.kd-testflight-copy h1 { font-size: clamp(2.5rem, 1.6rem + 2.6vw, 3.75rem); line-height: 1.06; letter-spacing: -.045em; }
.kd-testflight-copy > p { margin-top: 20px; }
.kd-testflight-notice { margin-top: 32px; padding: 24px; background: var(--paper-alt); border-radius: 12px; }
.kd-testflight-notice h2, .kd-testflight-form h2 { font-size: 1.25rem; }
.kd-testflight-notice p { font-size: .9375rem; line-height: 1.65; margin-top: 12px; }
.kd-testflight-form { display: grid; gap: 24px; }
.kd-beta-field { display: grid; gap: 8px; font-size: .875rem; }
.kd-beta-field input { width: 100%; height: 48px; border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; background: var(--paper); color: var(--ink); font: 400 1rem/1.5 var(--body); }
.kd-beta-field input:focus-visible { outline: 2px solid var(--cardinal); outline-offset: 2px; }
.kd-beta-note, .kd-beta-status { font-size: .9375rem; line-height: 1.65; }
.kd-beta-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.kd-testflight-panel .kd-btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: .8rem 1.75rem; border: 1px solid var(--cardinal); border-radius: 999px; font: 500 1rem var(--body); text-decoration: none; background: var(--cardinal); color: var(--button-ink); cursor: pointer; }
.kd-testflight-panel .kd-btn:hover { background: var(--deep-red); }
.kd-testflight-success p { margin-block: 16px 24px; }
@media (max-width: 760px) {
 .ios-request { max-width: 560px; padding-block: 40px 56px; }
 .kd-testflight-hero { grid-template-columns: minmax(0,1fr); gap: 32px; }
}

/* Research publications use a compact, readable editorial layout. */
.publications-page { max-width: 1120px; padding-block: 56px 80px; }
.publications-heading { max-width: 720px; margin-bottom: 40px; }
.interior-page .publications-heading h1 { font-size: clamp(2.5rem, 1.6rem + 2.6vw, 3.75rem); line-height: 1.06; letter-spacing: -.045em; }
.publications-heading > p { margin-top: 20px; font-size: 1.125rem; line-height: 1.7; max-width: 62ch; }
/* The page name sits beside the logo, so the heading is for assistive technology only. */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.publications-heading > .visually-hidden + p { margin-top: 0; }
.publication { padding: clamp(24px,4vw,48px); border-radius: 20px; border: 1px solid var(--rule); background: #fcfbf9; }
.publication-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 24px; color: var(--muted); font-size: .8125rem; }
.publication-meta > :first-child { color: var(--cardinal); font-weight: 500; }
.publication h2 { max-width: 32ch; font-size: clamp(1.65rem,3.2vw,2.5rem); line-height: 1.2; letter-spacing: -.035em; text-wrap: pretty; }
.publication h2 a { color: var(--ink); text-decoration: none; }
.publication h2 a:hover { color: var(--cardinal); }
.publication-summary { max-width: 68ch; margin-top: 20px; font-size: 1rem; line-height: 1.75; }
.publication-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 28px; }
.publication-actions .btn { padding: 12px 20px; font-size: .875rem; }
.publication-project { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; font-size: .875rem; font-weight: 500; text-decoration: none; }
.publication-credits { margin-top: 32px; }
.publication-credits summary { min-height: 44px; cursor: pointer; color: var(--ink); font-size: .875rem; line-height: 1.6; }
.publication-credits-body { margin-top: 12px; max-width: 76ch; }
.kd-research-authors { font-size: .875rem; line-height: 1.9; }
.kd-research-affiliations { margin-top: 12px; font-size: .8125rem; line-height: 1.8; }
.mast a[aria-current="page"] { color: var(--cardinal); }
@media (max-width: 680px) {
 .publications-page { padding-block: 32px 48px; }
 .publications-heading { margin-bottom: 28px; }
 .publication { padding: 24px; border-radius: 16px; }
 .publication-meta { gap: 8px 16px; margin-bottom: 20px; }
}

/* About: the home page's type scale with the research page's reading width. */
.about-page { max-width: 1120px; padding-block: 64px 96px; }
.about-hero h1 { max-width: 16ch; }
.about-hero p { max-width: 52ch; margin-top: 24px; color: var(--muted); font-size: clamp(1.125rem, 1rem + .45vw, 1.375rem); font-weight: 500; line-height: 1.5; }
.about-section { margin-top: clamp(72px, 9vw, 120px); }
.about-section h2 { font-size: clamp(2rem, 1rem + 2.6vw, 3.25rem); line-height: 1.1; letter-spacing: -.04em; }
.about-section > p { max-width: 60ch; margin-top: 20px; color: var(--muted); font-size: 1.125rem; line-height: 1.65; }
.about-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.about-principles article { padding: 28px; border: 1px solid var(--rule); border-radius: 20px; background: #fcfbf9; }
.about-principles h3 { font-family: var(--body); font-size: 1.25rem; font-weight: 600; line-height: 1.3; letter-spacing: -.02em; }
.about-principles p { margin-top: 10px; color: var(--muted); font-size: 1.0625rem; line-height: 1.6; }
.about-community { margin-top: clamp(56px, 7vw, 96px); }
@media (max-width: 900px) {
  .about-principles { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 680px) {
  .about-page { padding-block: 40px 64px; }
  .about-principles article { padding: 24px; }
}