/* Evenhand public pages (S-WEB shared rules, design-system §15.5 T1).
   Every colour, size and radius comes from tokens.css, generated from
   docs/design/tokens.json: no colour literals here (TestSiteCSSUsesOnlyTokens).
   No third parties; one optional script (copy.js) on the invite page. */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

@font-face {
  font-family: "Noto Sans";
  src: url("/assets/fonts/NotoSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans";
  src: url("/assets/fonts/NotoSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans";
  src: url("/assets/fonts/NotoSans-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --gutter: var(--layout-screen-gutter-compact);
  --measure: 66ch;
}
@media (min-width: 600px) {
  :root { --gutter: var(--layout-screen-gutter-medium); }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font);
  font-size: var(--body-large-size);
  line-height: var(--body-large-line);
  letter-spacing: var(--body-large-tracking);
  font-variant-numeric: tabular-nums;
}

a { color: var(--primary); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: var(--border-focus) solid var(--primary); outline-offset: 2px; }
strong { font-weight: 600; }
.vh {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Skip link: visible on focus. */
.skip {
  position: absolute; left: var(--gutter); top: -100px; z-index: 10;
  background: var(--primary); color: var(--on-primary);
  padding: var(--space-sm) var(--space-lg); border-radius: var(--radius-button);
}
.skip:focus { top: var(--space-sm); }

/* Rows of links: 44 × 44 targets with 8 px gaps (UX-00 M15). */
.links { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.links a { display: inline-block; min-height: 44px; min-width: 44px; padding: 10px 4px; }

/* Header bar. */
.bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-sm);
  padding: var(--space-sm) var(--gutter);
  border-bottom: var(--border-default) solid var(--outline-variant);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-sm); min-height: 44px;
  color: var(--primary); text-decoration: none;
  font-size: var(--title-medium-size); line-height: var(--title-medium-line); font-weight: var(--title-medium-weight);
}
.brand img { border-radius: 50%; }
.bar .links a { color: var(--on-surface); text-decoration: none; }
.bar .links a[aria-current="page"] { color: var(--primary); text-decoration: underline; }

main { display: block; padding: var(--space-xxl) var(--gutter) var(--space-giant); }

/* The card every page sits on. */
.sheet {
  max-width: var(--layout-content-max-width); margin: 0 auto;
  background: var(--surface-container-low); border-radius: var(--radius-card);
  padding: var(--space-xxl);
}
.sheet.narrow { max-width: 560px; }
@media (max-width: 479px) {
  main { padding-left: var(--gutter); padding-right: var(--gutter); }
  .sheet { padding: var(--space-lg); }
}
.sheet > * + * { margin-top: var(--space-lg); }
h1 {
  margin: 0;
  font-size: var(--headline-small-size); line-height: var(--headline-small-line); font-weight: var(--headline-small-weight);
}
h2 {
  margin: var(--space-xxl) 0 var(--space-sm);
  font-size: var(--title-large-size); line-height: var(--title-large-line); font-weight: var(--title-large-weight);
}
p, ul, ol, dl { margin: 0 0 var(--space-md); max-width: var(--measure); }
li + li { margin-top: var(--space-sm); }
.lede { color: var(--on-surface); }
.muted, .updated, .help, .contact, .proof {
  color: var(--on-surface-variant);
  font-size: var(--body-medium-size); line-height: var(--body-medium-line); letter-spacing: var(--body-medium-tracking);
}
.sheet-head > * + * { margin-top: var(--space-sm); }
.toc { margin: var(--space-lg) 0; padding: var(--space-sm) 0; border-top: var(--border-default) solid var(--outline-variant);
  border-bottom: var(--border-default) solid var(--outline-variant); }
section { scroll-margin-top: var(--space-lg); }

/* Buttons: filled (one per state) and outlined ("quiet"). */
.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--button-height); min-width: 64px; padding: 0 var(--button-padding-h);
  border: var(--border-default) solid var(--primary); border-radius: var(--radius-button);
  background: var(--primary); color: var(--on-primary); text-decoration: none; cursor: pointer;
  font: inherit; font-size: var(--label-large-size); line-height: var(--label-large-line);
  font-weight: var(--label-large-weight); letter-spacing: var(--label-large-tracking);
}
.button.quiet { background: transparent; color: var(--primary); border-color: var(--outline); }
.button.danger { background: var(--error); border-color: var(--error); color: var(--on-error); }
@media (max-width: 479px) {
  .actions .button, .form .button { width: 100%; }
}

/* Forms (S-WEB-02, S-WEB-03, deletion). */
.form > * + * { margin-top: var(--space-sm); }
.form label { display: block; margin-top: var(--layout-form-field-gap); }
.form input[type="email"], .form input[type="text"], .form select, .form textarea {
  display: block; width: 100%; max-width: 100%;
  min-height: var(--field-min-height); padding: var(--space-md) var(--space-lg);
  border: var(--border-default) solid var(--outline); border-radius: var(--radius-text-field);
  background: var(--surface); color: var(--on-surface); font: inherit;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary);
}
.form fieldset { border: 0; padding: 0; margin: var(--layout-form-field-gap) 0 0; }
.form legend { padding: 0; font-weight: 600; }
.form .choice { display: flex; align-items: flex-start; gap: var(--space-md); min-height: 48px; padding: var(--space-md) 0; margin: 0; }
.form .choice input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--primary); }
.form .button { margin-top: var(--space-xl); }
.field-error {
  color: var(--error); margin: var(--space-xs) 0 0;
  font-size: var(--body-medium-size); line-height: var(--body-medium-line);
}
.form [aria-invalid="true"] { border-color: var(--error); }
.error-summary {
  border: var(--border-focus) solid var(--error); border-radius: var(--radius-card);
  background: var(--error-container); color: var(--on-error-container); padding: var(--space-lg);
}
.error-summary h2 { margin-top: 0; }
.error-summary a { color: var(--on-error-container); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert, .note {
  border-radius: var(--radius-card); padding: var(--space-lg);
  background: var(--surface-container-high);
}
.alert { background: var(--error-container); color: var(--on-error-container); }

/* S-WEB-03: the invite code and the iPhone block. */
.steps { padding-left: var(--space-xl); }
.code-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); }
.code {
  margin: 0; padding: var(--space-lg); border-radius: var(--radius-text-field);
  background: var(--surface-container); color: var(--on-surface);
  font-size: var(--headline-small-size); line-height: var(--headline-small-line); font-weight: var(--headline-small-weight);
  letter-spacing: 0.1em; font-variant-numeric: tabular-nums; user-select: all;
}
@media (max-width: 479px) {
  .code-row { flex-direction: column; align-items: stretch; }
}
.iphone { margin-top: var(--space-xxl); border-top: var(--border-default) solid var(--outline-variant); padding-top: var(--space-sm); }
.iphone summary {
  display: flex; align-items: center; min-height: 48px; cursor: pointer;
  font-size: var(--title-medium-size); line-height: var(--title-medium-line); font-weight: var(--title-medium-weight);
}
.iphone h2 { margin-top: var(--space-md); }

/* Landing page. */
.page-home main { padding-top: var(--space-xl); }
.hero, .keeps, .faq, .cta { max-width: 1080px; margin: 0 auto var(--space-giant); }
.hero { display: grid; gap: var(--space-xxl); align-items: center; }
@media (min-width: 840px) {
  .hero { grid-template-columns: 1.2fr 1fr; }
}
.hero h1 {
  font-size: var(--headline-large-size); line-height: var(--headline-large-line); font-weight: var(--headline-large-weight);
  max-width: 18ch;
}
.hero .lede { margin-top: var(--space-lg); }
.card {
  margin: 0; background: var(--surface-container-low); border-radius: var(--radius-card);
  padding: var(--space-xl); border: var(--border-default) solid var(--outline-variant);
}
.card-head {
  display: flex; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-md);
  font-weight: 600;
}
.entries { list-style: none; padding: 0; margin: 0; }
.entries li { display: grid; gap: var(--space-xxs); padding: var(--space-md) 0; border-top: var(--border-default) solid var(--outline-variant); margin: 0; }
.entries .who, .card figcaption { color: var(--on-surface-variant); font-size: var(--body-medium-size); line-height: var(--body-medium-line); }
.card figcaption { margin-top: var(--space-md); }
.keeps h2, .faq h2, .cta h2 {
  font-size: var(--headline-medium-size); line-height: var(--headline-medium-line); font-weight: var(--headline-medium-weight);
}
.facts { display: grid; gap: var(--space-xl); max-width: none; }
@media (min-width: 720px) {
  .facts { grid-template-columns: 1fr 1fr; }
}
.facts dt { font-weight: 600; margin-bottom: var(--space-xs); }
.facts dd { margin: 0; color: var(--on-surface-variant); }
.answers p { max-width: var(--measure); }
.cta { background: var(--surface-container-low); border-radius: var(--radius-card); padding: var(--space-xxl); }

/* Footer. */
.close { border-top: var(--border-default) solid var(--outline-variant); padding: var(--space-xl) var(--gutter) var(--space-xxl); }
.close-inner { max-width: 1080px; margin: 0 auto; }
.disclaimer, .copy {
  color: var(--on-surface-variant); font-size: var(--body-medium-size); line-height: var(--body-medium-line);
}
.copy { font-size: var(--body-small-size); line-height: var(--body-small-line); }
.legal a { color: var(--primary); }