/*
 * clevernotes.ai on the Paper design system.
 *
 * Every value comes from a --paper-* variable defined in /css/paper/
 * tokens.generated.css (built from packages/paper-ui/tokens/paper.tokens.json);
 * shared controls use the Paper classes from /css/paper/components.css. This
 * file adds layout, marketing type and the drawn product moments. No colour
 * literals: website/scripts/check-site.mjs enforces it.
 *
 * Layers: fonts · base · type · nav · footer · drawn moments · home ·
 * document · faq · log · utility · film · print
 */

/* ---- Fonts (self-hosted, SIL OFL 1.1) ---- */

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/css/fonts/literata-400-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/css/fonts/literata-400-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/css/fonts/literata-500-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/css/fonts/literata-500-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/css/fonts/literata-600-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/css/fonts/literata-600-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/css/fonts/jetbrains-mono-normal-400-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/css/fonts/jetbrains-mono-normal-400-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/css/fonts/instrument-sans-normal-700-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---- Base ---- */

:root {
  color-scheme: light;
  --site-gutter: 40px;
  --site-max: 1120px;
  --site-measure: 680px;
  --site-nav-height: 64px;
}

:root[data-paper-theme="dark"] {
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--site-nav-height) + var(--paper-space-sm));
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper-bg);
  color: var(--paper-text-primary);
  font-family: var(--paper-font-interface);
  font-size: 1rem;
  font-weight: var(--paper-weight-regular);
  line-height: var(--paper-line-height-reading);
  -webkit-font-smoothing: antialiased;
  /* Long email addresses wrap instead of pushing the page sideways. */
  overflow-wrap: break-word;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: var(--paper-ink-blue);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--paper-focus-ring);
  outline-offset: 2px;
}

::selection {
  background: var(--paper-bg-selected);
}

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: var(--paper-space-sm);
  top: -100px;
  z-index: 100;
  padding: var(--paper-space-xs) var(--paper-space-sm);
  background: var(--paper-ink-blue);
  color: var(--paper-text-on-accent);
  font-weight: var(--paper-weight-medium);
}

.skip-link:focus {
  top: var(--paper-space-xs);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-wrap {
  width: 100%;
  max-width: calc(var(--site-max) + 2 * var(--site-gutter));
  margin: 0 auto;
  padding: 0 var(--site-gutter);
}

@media (max-width: 767px) {
  :root {
    --site-gutter: 16px;
  }
}

/* ---- Type ---- */

.site-stamp {
  margin: 0;
  font-family: var(--paper-font-mono);
  font-size: var(--paper-size-small-caption);
  font-weight: var(--paper-weight-medium);
  letter-spacing: var(--paper-track-stamp);
  text-transform: uppercase;
  color: var(--paper-text-tertiary);
}

.site-stamp--ai {
  color: var(--paper-ai-text);
}

.site-h1,
.site-h2,
.site-h3 {
  margin: 0;
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  color: var(--paper-text-primary);
  text-wrap: balance;
}

.site-h1 {
  font-size: clamp(2.25rem, 1.4rem + 3.6vw, var(--paper-size-display-l));
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.site-h2 {
  font-size: clamp(1.875rem, 1.3rem + 1.9vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.site-h3 {
  font-size: var(--paper-size-large-title);
  line-height: 1.25;
}

.site-lede {
  font-size: var(--paper-size-body-large);
  line-height: 1.55;
  color: var(--paper-text-secondary);
  max-width: 38em;
}

.site-note {
  font-size: var(--paper-size-metadata);
  color: var(--paper-text-tertiary);
}

.site-stack > * + * {
  margin-top: var(--paper-space-sm);
}

/* Marketing-size Paper buttons: same look, 44px tall. */
.site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--paper-space-smd);
  font-size: var(--paper-size-small-body);
  text-decoration: none;
  white-space: nowrap;
}

.paper-button.site-btn--secondary {
  background: transparent;
  border-color: var(--paper-ink-blue);
  color: var(--paper-ink-blue);
}

.site-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--paper-space-xsm);
  align-items: center;
}

/* ---- Nav ---- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper-bg);
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--paper-space-md);
  min-height: var(--site-nav-height);
}

.site-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-text-primary);
  text-decoration: none;
}

.site-lockup__mark {
  width: 28px;
  height: 28px;
  background-color: var(--paper-ai);
  -webkit-mask: url(/img/source-hinge-mask.svg) center / contain no-repeat;
  mask: url(/img/source-hinge-mask.svg) center / contain no-repeat;
}

.site-lockup__word {
  font-family: "Instrument Sans", var(--paper-font-interface);
  font-size: 1.125rem;
  font-weight: var(--paper-weight-bold);
  letter-spacing: -0.035em;
}

.site-nav__links {
  display: flex;
  gap: var(--paper-space-md);
  margin-left: auto;
}

.site-nav__links a {
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-small-body);
  text-decoration: none;
  transition: color var(--paper-motion-fast) var(--paper-ease);
}

.site-nav__links a:hover {
  color: var(--paper-text-primary);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--paper-space-xs);
}

.site-nav__cta {
  text-decoration: none;
  white-space: nowrap;
}

.paper-icon-button:hover {
  color: var(--paper-text-primary);
  background: var(--paper-hover-wash);
}

.site-theme-toggle__sun,
:root[data-paper-theme="dark"] .site-theme-toggle__moon {
  display: none;
}

:root[data-paper-theme="dark"] .site-theme-toggle__sun {
  display: block;
}

.site-menu-toggle {
  display: none;
}

.site-menu {
  position: absolute;
  right: var(--site-gutter);
  top: calc(100% + var(--paper-space-xxs));
  min-width: 220px;
}

.site-menu[hidden] {
  display: none;
}

.site-menu__item {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--paper-space-sm);
  color: var(--paper-text-primary);
  font-size: var(--paper-size-small-body);
  text-decoration: none;
}

.site-menu__item:hover,
.site-menu__item:focus-visible {
  background: var(--paper-hover-wash);
}

@media (max-width: 899px) {
  .site-nav__links {
    display: none;
  }

  .site-nav__actions {
    margin-left: auto;
  }

  .site-menu-toggle {
    display: inline-flex;
  }
}

.site-menu__theme,
.site-menu__cta {
  display: none;
}

.site-menu__item:is(button) {
  width: 100%;
  border: 0;
  background: none;
  font: inherit;
  font-size: var(--paper-size-small-body);
  text-align: left;
  cursor: pointer;
}

.site-menu__theme[aria-pressed="true"]::after {
  content: "On";
  margin-left: auto;
  font-family: var(--paper-font-mono);
  font-size: var(--paper-size-small-caption);
  letter-spacing: var(--paper-track-stamp);
  text-transform: uppercase;
  color: var(--paper-text-tertiary);
}

.site-menu__cta {
  color: var(--paper-ink-blue);
  font-weight: var(--paper-weight-medium);
}

/* Narrow phones: the bar keeps the logo and the menu; the theme switch and
   "Get the beta" move into the menu. */
@media (max-width: 400px) {
  .site-nav__cta,
  .site-theme-toggle {
    display: none;
  }

  .site-menu__theme,
  .site-menu__cta {
    display: flex;
  }
}

/* ---- Footer ---- */

.site-footer {
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
  padding: var(--paper-space-lg) 0 var(--paper-space-xl);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--paper-space-md);
}

.site-footer__legal {
  margin-top: var(--paper-space-xsm);
  font-size: var(--paper-size-metadata);
  color: var(--paper-text-tertiary);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--paper-space-xs) var(--paper-space-md);
  align-content: flex-start;
  max-width: 560px;
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-small-body);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--paper-text-primary);
  text-decoration: underline;
}

/* ---- Drawn product moments (sheets, rows, wells, stamps) ---- */

.site-figure {
  margin: 0;
}

.site-sheet {
  background: var(--paper-bg);
  border: var(--paper-line-row) solid var(--paper-divider-content);
}

.site-sheet__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--paper-space-sm);
  padding: var(--paper-space-xsm) var(--paper-space-smd) 10px;
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
}

.site-sheet__title {
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: var(--paper-size-large-title);
}

.site-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--paper-space-sm);
  align-items: baseline;
  padding: var(--paper-space-xsm) var(--paper-space-smd);
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
  font-size: var(--paper-size-body);
}

.site-row.is-selected::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--paper-ink-blue);
}

.site-row__meta {
  display: block;
  font-size: var(--paper-size-caption);
  color: var(--paper-text-tertiary);
}

.site-well {
  padding: var(--paper-space-xsm) var(--paper-space-sm);
  background: var(--paper-bg-sunken);
  font-size: var(--paper-size-small-body);
}

.site-well p {
  margin-top: var(--paper-space-xxs);
}

.site-ai-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--paper-ai);
  vertical-align: 1px;
}

.site-chip {
  display: inline-block;
  padding: 1px 7px;
  border: var(--paper-line-row) solid var(--paper-divider-content);
}

/* An illustration of a button inside a drawn moment: looks like a Paper
   button, is not a control. */
.site-btn-illustration {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 var(--paper-space-xsm);
  border: var(--paper-line-control) solid var(--paper-ink-blue);
  color: var(--paper-ink-blue);
  font-size: var(--paper-size-caption);
  font-weight: var(--paper-weight-medium);
}

.site-btn-illustration--primary {
  background: var(--paper-ink-blue);
  color: var(--paper-text-on-accent);
}

/* ---- Hero video and film ---- */

/* The drawn Desk and the video share one cell, and a spacer at the video's
   aspect ratio reserves its height from the first paint, so nothing below
   moves when the video takes over. */
.home-hero__visual {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.home-hero__visual > *,
.home-hero__visual::before {
  grid-area: 1 / 1;
}

@media (prefers-reduced-motion: no-preference) {
  .home-hero__visual::before {
    content: "";
    aspect-ratio: 1600 / 1240;
  }
}

.hero-video {
  display: none;
  position: relative;
  aspect-ratio: 1600 / 1240;
  background: var(--paper-bg);
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.is-playing .hero-video {
  display: block;
}

.is-playing .hero-desk {
  visibility: hidden;
}

.hero-pause {
  position: absolute;
  right: var(--paper-space-xs);
  bottom: var(--paper-space-xs);
  background: var(--paper-bg);
  border: var(--paper-line-row) solid var(--paper-divider-content);
}

.hero-pause__play,
.hero-pause[data-state="paused"] .hero-pause__pause {
  display: none;
}

.hero-pause[data-state="paused"] .hero-pause__play {
  display: block;
}

.film-modal {
  width: min(1100px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: var(--paper-line-row) solid var(--paper-border);
  border-radius: var(--paper-radius-modal);
  background: var(--paper-bg);
  color: var(--paper-text-primary);
  box-shadow: var(--paper-shadow-menu);
  overflow: auto;
}

.film-modal::backdrop {
  background: var(--paper-scrim);
}

.film-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--paper-space-xxs) var(--paper-space-xxs) var(--paper-space-xxs) var(--paper-space-smd);
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
}

.film-modal__title {
  margin: 0;
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: var(--paper-size-large-title);
}

.film-modal__video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--paper-bg-sunken);
}

.film-modal__transcript {
  padding: var(--paper-space-sm) var(--paper-space-smd) var(--paper-space-smd);
  font-size: var(--paper-size-small-body);
}

.film-transcript summary {
  min-height: 32px;
  color: var(--paper-ink-blue);
  font-weight: var(--paper-weight-medium);
  cursor: pointer;
}

.film-transcript ol {
  margin: var(--paper-space-xs) 0 0;
  padding-left: 1.4em;
  color: var(--paper-text-secondary);
}

.film-transcript li + li {
  margin-top: var(--paper-space-xs);
}

.film-transcript strong {
  color: var(--paper-text-primary);
  font-weight: var(--paper-weight-medium);
}

/* ---- Document (Privacy, Terms, Accessibility, Support) ---- */

.site-doc {
  display: grid;
  grid-template-columns: 220px minmax(0, var(--site-measure));
  gap: 64px;
  justify-content: center;
  padding-top: 56px;
  padding-bottom: 88px;
}

.site-doc-contents {
  position: sticky;
  top: calc(var(--site-nav-height) + var(--paper-space-md));
  align-self: start;
  font-size: var(--paper-size-metadata);
}

.site-doc-contents summary {
  list-style: none;
  cursor: default;
}

.site-doc-contents summary::-webkit-details-marker {
  display: none;
}

.site-doc-contents ol {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  border-left: var(--paper-line-row) solid var(--paper-divider-content);
}

.site-doc-contents a {
  display: block;
  margin-left: -1px;
  padding: 5px 0 5px 14px;
  border-left: 2px solid transparent;
  color: var(--paper-text-secondary);
  text-decoration: none;
}

.site-doc-contents a:hover {
  color: var(--paper-text-primary);
}

.site-doc-contents a[aria-current="true"] {
  border-left-color: var(--paper-ink-blue);
  color: var(--paper-text-primary);
}

.site-doc__body {
  min-width: 0;
  font-size: var(--paper-size-body-large);
  line-height: 1.65;
}

.site-doc__body h1 {
  margin: var(--paper-space-xs) 0 var(--paper-space-xs);
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: clamp(2.25rem, 1.6rem + 2vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.site-doc__body .last-updated {
  font-family: var(--paper-font-mono);
  font-size: var(--paper-size-small-caption);
  letter-spacing: var(--paper-track-stamp);
  text-transform: uppercase;
  color: var(--paper-text-tertiary);
}

.site-doc__body .page-masthead {
  display: flex;
  flex-direction: column-reverse;
}

.site-doc__body .legal-summary {
  margin: var(--paper-space-lg) 0 var(--paper-space-md);
  padding: var(--paper-space-sm) var(--paper-space-smd);
  background: var(--paper-bg-sunken);
  border-left: 3px solid var(--paper-ink-blue);
}

.site-doc__body .legal-lead {
  color: var(--paper-text-secondary);
}

.site-doc__body h2 {
  margin: 44px 0 var(--paper-space-xsm);
  padding-top: var(--paper-space-md);
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: var(--paper-size-title2);
  line-height: 1.25;
}

.site-heading-link {
  margin-left: var(--paper-space-xxs);
  color: var(--paper-text-tertiary);
  font-family: var(--paper-font-interface);
  font-size: 0.7em;
  text-decoration: none;
  opacity: 0;
  transition: opacity var(--paper-motion-fast) var(--paper-ease);
}

.site-doc__body h2:hover .site-heading-link,
.site-heading-link:focus-visible {
  opacity: 1;
}

.site-doc__body p,
.site-doc__body ul {
  margin: 0 0 var(--paper-space-sm);
}

.site-doc__body ul {
  padding-left: 1.25em;
}

.site-doc__body li + li {
  margin-top: 6px;
}

.site-doc__body strong {
  font-weight: var(--paper-weight-semibold);
}

@media (max-width: 899px) {
  .site-doc {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--paper-space-md);
    padding-top: var(--paper-space-lg);
  }

  .site-doc-contents {
    position: static;
    border: var(--paper-line-row) solid var(--paper-divider-content);
    padding: var(--paper-space-xsm) var(--paper-space-sm);
  }

  .site-doc-contents summary {
    display: flex;
    align-items: center;
    min-height: 32px;
    cursor: pointer;
  }

  .site-doc-contents summary::after {
    content: "+";
    margin-left: auto;
    font-family: var(--paper-font-mono);
  }

  .site-doc-contents details[open] summary::after {
    content: "\2212";
  }

  .site-doc-contents a {
    padding-top: var(--paper-space-xs);
    padding-bottom: var(--paper-space-xs);
  }

  .site-heading-link {
    opacity: 1;
  }
}

/* ---- FAQ ---- */

.faq {
  max-width: calc(860px + 2 * var(--site-gutter));
  padding-top: 72px;
  padding-bottom: 96px;
}

.faq__title {
  margin: var(--paper-space-sm) 0 var(--paper-space-sm);
  font-size: clamp(2.25rem, 1.6rem + 2vw, var(--paper-size-display-m));
}

.faq-group {
  margin-top: var(--paper-space-xl);
  border-top: var(--paper-line-section) solid var(--paper-text-primary);
}

.faq-group > h2 {
  padding: var(--paper-space-xsm) 0 var(--paper-space-xxs);
}

.faq-item {
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  gap: var(--paper-space-md);
  align-items: baseline;
  min-height: 44px;
  padding: var(--paper-space-sm) 0;
  font-size: var(--paper-size-body-large);
  font-weight: var(--paper-weight-medium);
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--paper-font-mono);
  color: var(--paper-text-tertiary);
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item summary:hover {
  color: var(--paper-ink-blue);
}

.faq-answer {
  max-width: var(--site-measure);
  padding: 0 0 var(--paper-space-md);
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-body-large);
  line-height: 1.6;
}

.faq-answer p + p {
  margin-top: var(--paper-space-xsm);
}

.faq-answer strong {
  color: var(--paper-text-primary);
  font-weight: var(--paper-weight-semibold);
}

/* ---- What's New ---- */

.log {
  max-width: calc(960px + 2 * var(--site-gutter));
  padding-top: 72px;
  padding-bottom: 96px;
}

.log__title {
  margin: var(--paper-space-sm) 0;
  font-size: clamp(2.25rem, 1.6rem + 2vw, var(--paper-size-display-m));
}

.log__entries {
  margin-top: var(--paper-space-xl);
}

.log-entry {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: var(--paper-space-lg);
  padding: var(--paper-space-lg) 0;
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
}

.log-entry__date {
  padding-top: 6px;
}

.log-entry__title {
  margin: 0 0 var(--paper-space-xs);
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: var(--paper-size-title2);
  line-height: 1.25;
}

.log-entry__body > p {
  max-width: var(--site-measure);
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-body-large);
}

.log-entry__platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--paper-space-xsm);
}

@media (max-width: 767px) {
  .log-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--paper-space-xs);
  }
}

/* ---- Utility pages: join, sign-in ---- */

.join-wrap {
  max-width: 600px;
  padding-top: 88px;
  padding-bottom: 72px;
  text-align: center;
}

.join-title {
  margin: var(--paper-space-sm) auto var(--paper-space-sm);
}

.join-wrap .site-lede {
  margin: 0 auto;
}

.join-actions {
  margin: var(--paper-space-lg) 0 var(--paper-space-xsm);
}

.join-hint {
  margin-top: var(--paper-space-smd);
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-small-body);
}

.join-privacy {
  margin-top: var(--paper-space-lg);
}

.join-invalid {
  display: none;
}

.join-invalid p + p {
  margin-top: var(--paper-space-sm);
}

.auth-page [hidden] {
  display: none !important;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--paper-space-lg) var(--paper-space-smd);
  background: var(--paper-bg-sunken);
}

.auth-card {
  width: min(100%, 440px);
  padding: 40px;
  background: var(--paper-bg);
  border: var(--paper-line-row) solid var(--paper-divider-content);
}

.auth-card .brand {
  display: inline-flex;
  align-items: center;
  gap: var(--paper-space-xsm);
  margin-bottom: 40px;
  color: var(--paper-text-primary);
  font-family: "Instrument Sans", var(--paper-font-interface);
  font-size: 1.125rem;
  font-weight: var(--paper-weight-bold);
  letter-spacing: -0.035em;
  text-decoration: none;
}

.auth-card .brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--paper-radius-control);
}

.auth-card .eyebrow {
  margin: 0 0 10px;
  font-family: var(--paper-font-mono);
  font-size: var(--paper-size-small-caption);
  font-weight: var(--paper-weight-medium);
  letter-spacing: var(--paper-track-stamp);
  text-transform: uppercase;
  color: var(--paper-text-tertiary);
}

.auth-card h1 {
  margin: 0 0 var(--paper-space-xsm);
  font-family: var(--paper-font-editorial);
  font-weight: var(--paper-weight-medium);
  font-size: 2rem;
  line-height: 1.1;
}

.auth-card .intro,
.auth-card .state p {
  margin: 0 0 var(--paper-space-md);
  color: var(--paper-text-secondary);
  font-size: 1rem;
  line-height: 1.55;
}

.auth-card .verification-value {
  font-family: var(--paper-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--paper-track-stamp);
}

.auth-card .provider-button,
.auth-card .secondary-button {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--paper-space-xsm);
  border: var(--paper-line-control) solid var(--paper-border-strong);
  border-radius: var(--paper-radius-button);
  background: var(--paper-bg);
  color: var(--paper-text-primary);
  font: inherit;
  font-weight: var(--paper-weight-medium);
  cursor: pointer;
  transition: background var(--paper-motion-fast) var(--paper-ease), border-color var(--paper-motion-fast) var(--paper-ease);
}

.auth-card .provider-button + .provider-button {
  margin-top: var(--paper-space-xsm);
}

.auth-card .provider-button svg {
  width: 18px;
  height: 18px;
}

.auth-card .provider-button:hover,
.auth-card .secondary-outline:hover {
  background: var(--paper-hover-wash);
}

/* Apple's sign-in button: solid ink in light, solid paper in dark. */
.auth-card .apple-button {
  border-color: var(--paper-text-primary);
  background: var(--paper-text-primary);
  color: var(--paper-bg);
}

.auth-card .apple-button:hover {
  background: var(--paper-text-primary);
  filter: brightness(1.2);
}

.auth-card .email-button,
.auth-card .secondary-button {
  border-color: var(--paper-ink-blue);
  background: var(--paper-ink-blue);
  color: var(--paper-text-on-accent);
}

.auth-card .email-button:hover,
.auth-card .secondary-button:hover {
  background: var(--paper-ink-blue);
  filter: brightness(1.08);
}

.auth-card .secondary-button {
  margin-top: var(--paper-space-md);
}

.auth-card .secondary-button.secondary-outline {
  margin-top: var(--paper-space-sm);
  background: transparent;
  color: var(--paper-ink-blue);
}

.auth-card .provider-button:focus-visible,
.auth-card .secondary-button:focus-visible {
  outline: 2px solid var(--paper-focus-ring);
  outline-offset: 2px;
}

.auth-card .provider-button:disabled,
.auth-card .email-form input:disabled {
  opacity: var(--paper-opacity-disabled);
  cursor: wait;
}

.auth-card .email-form {
  display: grid;
  gap: 10px;
  margin-top: var(--paper-space-md);
}

.auth-card .email-form label {
  font-size: var(--paper-size-small-body);
  font-weight: var(--paper-weight-medium);
}

.auth-card .email-form input {
  width: 100%;
  min-height: 46px;
  padding: 10px var(--paper-space-xsm);
  border: var(--paper-line-control) solid var(--paper-divider-list);
  border-bottom-color: var(--paper-border-control);
  border-radius: var(--paper-radius-button);
  background: var(--paper-bg-raised);
  color: var(--paper-text-primary);
  font: inherit;
}

.auth-card .email-form input:focus-visible {
  outline: none;
  border-bottom-color: var(--paper-ink-blue);
  box-shadow: inset 0 -1px 0 var(--paper-ink-blue);
}

.auth-card .email-button {
  margin-top: 6px;
}

.auth-card .provider-divider {
  display: flex;
  align-items: center;
  gap: var(--paper-space-xsm);
  margin: var(--paper-space-md) 0;
  color: var(--paper-text-tertiary);
  font-size: var(--paper-size-metadata);
}

.auth-card .provider-divider::before,
.auth-card .provider-divider::after {
  content: "";
  height: var(--paper-line-row);
  flex: 1;
  background: var(--paper-divider-content);
}

.auth-card .privacy-note {
  margin: var(--paper-space-sm) 0 0;
  color: var(--paper-text-tertiary);
  font-size: var(--paper-size-metadata);
  line-height: 1.5;
}

.auth-card .email-form .privacy-note {
  margin-top: 2px;
}

.auth-card .auth-legal {
  margin: 28px 0 0;
  color: var(--paper-text-tertiary);
  font-size: var(--paper-size-caption);
  line-height: 1.5;
  text-align: center;
}

.auth-card .state {
  padding: 18px 0 var(--paper-space-xs);
  text-align: center;
}

.auth-card .state h1 {
  font-size: 1.75rem;
}

.auth-card .state p {
  margin-bottom: 0;
}

.auth-card .spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  margin-bottom: 22px;
  border: 3px solid var(--paper-divider-content);
  border-top-color: var(--paper-ink-blue);
  border-radius: 50%;
  animation: site-spin 800ms linear infinite;
}

.auth-card .success-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: var(--paper-space-smd);
  border: 2px solid var(--paper-status-ok);
  border-radius: 50%;
  color: var(--paper-status-ok);
  font-size: var(--paper-size-title2);
  font-weight: var(--paper-weight-bold);
}

.auth-card .alternate-browser {
  margin-top: var(--paper-space-md);
  padding-top: var(--paper-space-md);
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
}

.auth-card .alternate-browser p {
  margin: 0;
  font-size: var(--paper-size-small-body);
}

@keyframes site-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 520px) {
  .auth-shell {
    padding: 0;
    place-items: stretch;
  }

  .auth-card {
    min-height: 100vh;
    border: 0;
    padding: var(--paper-space-lg) var(--paper-space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-card .spinner {
    animation-duration: 1800ms;
  }
}

/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
  :root {
    --paper-motion-micro: 0ms;
    --paper-motion-fast: 0ms;
    --paper-motion-ink: 0ms;
    --paper-motion-normal: 0ms;
    --paper-motion-relaxed: 0ms;
    --paper-motion-slow: 0ms;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---- Print ---- */

@media print {
  /* Print black on white whatever theme is on screen. */
  :root,
  :root[data-paper-theme="dark"] {
    color-scheme: light;
    --paper-bg: Canvas;
    --paper-bg-sunken: Canvas;
    --paper-text-primary: CanvasText;
    --paper-text-secondary: CanvasText;
    --paper-text-tertiary: CanvasText;
    --paper-ink-blue: LinkText;
  }

  .site-nav,
  .site-footer,
  .skip-link,
  .site-doc-contents,
  [data-theme-toggle] {
    display: none !important;
  }

  body {
    background: none;
    color: CanvasText;
  }

  a {
    color: inherit;
  }
}

/* ---- Home ---- */

.site-section {
  padding: 88px 0;
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
}

.site-section .site-h2 {
  margin-top: var(--paper-space-xsm);
}

.site-section .site-lede {
  margin-top: var(--paper-space-sm);
}

.site-text-button {
  min-height: 44px;
  padding: 0 var(--paper-space-xs);
  border: 0;
  background: none;
  color: var(--paper-ink-blue);
  font: inherit;
  font-size: var(--paper-size-small-body);
  font-weight: var(--paper-weight-medium);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.home-muted {
  color: var(--paper-text-tertiary);
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 92px;
}

.home-hero__copy .site-h1 {
  margin: var(--paper-space-sm) 0 var(--paper-space-smd);
}

.home-hero__actions {
  margin: var(--paper-space-lg) 0 var(--paper-space-sm);
}

.hero-desk__brief {
  margin: var(--paper-space-sm) var(--paper-space-smd) var(--paper-space-smd);
}

.home-ledger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 1fr);
  margin-top: var(--paper-space-xl);
  border-top: var(--paper-line-section) solid var(--paper-text-primary);
}

.home-ledger__col {
  padding: var(--paper-space-smd) var(--paper-space-md) 0 0;
}

.home-ledger__col + .home-ledger__col {
  padding-left: var(--paper-space-md);
  border-left: var(--paper-line-row) solid var(--paper-divider-content);
}

.home-ledger__col .site-h3 {
  margin: var(--paper-space-xs) 0 6px;
}

.home-ledger__text {
  margin-bottom: var(--paper-space-xsm);
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-small-body);
}

.home-ledger__item {
  padding: 9px 0;
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
  font-size: var(--paper-size-small-body);
}

.home-ledger__item .site-stamp {
  display: inline-block;
  min-width: 92px;
}

.home-figure-note {
  margin-top: var(--paper-space-xsm);
}

.home-spaces {
  margin-top: var(--paper-space-md);
}

.home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.home-split--reverse .home-split__copy {
  order: 2;
}

.home-ask__q {
  padding: var(--paper-space-sm) var(--paper-space-smd);
  border-bottom: var(--paper-line-row) solid var(--paper-divider-content);
  font-size: var(--paper-size-body-large);
}

.home-ask__a {
  padding: var(--paper-space-sm) var(--paper-space-smd) var(--paper-space-smd);
}

.home-ask__a ul {
  margin: var(--paper-space-xs) 0 var(--paper-space-xsm);
  padding-left: 1.2em;
}

.home-ask__a li + li {
  margin-top: var(--paper-space-xxs);
}

.home-sources,
.home-ask__acts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--paper-space-xs);
}

.home-ask__acts {
  margin-top: var(--paper-space-sm);
}

.home-brief {
  margin: var(--paper-space-sm);
}

.home-notif {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: var(--paper-space-xsm);
  align-items: baseline;
  padding: var(--paper-space-xsm) var(--paper-space-sm);
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
  font-size: var(--paper-size-small-body);
}

.home-claims,
.home-platforms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--paper-space-lg);
  border-top: var(--paper-line-row) solid var(--paper-text-primary);
}

.home-platforms {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top-color: var(--paper-divider-content);
}

.home-claim,
.home-platform {
  padding: var(--paper-space-smd) var(--paper-space-md) 0 0;
}

.home-claim + .home-claim,
.home-platform + .home-platform {
  padding-left: var(--paper-space-md);
  border-left: var(--paper-line-row) solid var(--paper-divider-content);
}

.home-claim .site-h3 {
  margin: var(--paper-space-xs) 0;
}

.home-claim p:last-child,
.home-platform p:last-child {
  color: var(--paper-text-secondary);
  font-size: var(--paper-size-small-body);
}

.home-platform h3 {
  margin: 6px 0 var(--paper-space-xxs);
  font-size: var(--paper-size-body-large);
  font-weight: var(--paper-weight-semibold);
}

.home-links {
  margin-top: var(--paper-space-md);
}

.home-get {
  padding: 104px 0;
}

.home-get__inner {
  text-align: center;
}

.home-get__inner .site-h2,
.home-get__inner .site-lede {
  margin-left: auto;
  margin-right: auto;
}

.home-get__actions {
  justify-content: center;
  margin-top: var(--paper-space-lg);
}

.home-get__request {
  max-width: 520px;
  margin: var(--paper-space-xl) auto 0;
  padding-top: var(--paper-space-lg);
  border-top: var(--paper-line-row) solid var(--paper-divider-content);
  text-align: left;
}

.home-get__request > p {
  margin: var(--paper-space-xs) 0 var(--paper-space-sm);
  color: var(--paper-text-secondary);
}

.home-get__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--paper-space-xs);
}

.home-get__email {
  flex: 1 1 220px;
  min-width: 0;
  min-height: 44px;
}

.home-get__turnstile {
  flex-basis: 100%;
}

.home-get__turnstile:empty {
  display: none;
}

.beta-form-status:not(:empty) {
  margin-top: var(--paper-space-xs);
  font-size: var(--paper-size-small-body);
}

.beta-form-status.is-error {
  color: var(--paper-error-rust);
}

.beta-form-status.is-success {
  color: var(--paper-status-ok);
}

@media (max-width: 899px) {
  .home-hero,
  .home-split {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--paper-space-xl);
  }

  .home-hero {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .home-split--reverse .home-split__copy {
    order: 0;
  }

  .home-platforms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-platform:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 767px) {
  .site-section {
    padding: 64px 0;
  }

  .home-ledger,
  .home-claims,
  .home-platforms {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-ledger__col,
  .home-ledger__col + .home-ledger__col,
  .home-claim,
  .home-claim + .home-claim,
  .home-platform,
  .home-platform + .home-platform {
    padding: var(--paper-space-smd) 0 var(--paper-space-sm);
    border-left: 0;
  }

  .home-ledger__col + .home-ledger__col,
  .home-claim + .home-claim,
  .home-platform + .home-platform {
    border-top: var(--paper-line-row) solid var(--paper-divider-content);
  }

  .site-row {
    padding-left: var(--paper-space-sm);
    padding-right: var(--paper-space-sm);
  }

  .home-notif {
    grid-template-columns: 52px minmax(0, 1fr) auto;
  }
}