/*
 * ClinQuiz website. Colours and type are the app's own tokens
 * (src/theme/tokens.ts), so the site and the screenshots on it match.
 *
 * Fonts: IBM Plex, self-hosted (SIL Open Font License, see fonts/OFL.txt),
 * subset to Latin + Latin Extended so Serbian diacritics render.
 */
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/IBMPlexSans_400Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/IBMPlexSans_600SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/assets/fonts/IBMPlexSans_700Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/assets/fonts/IBMPlexMono_500Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/IBMPlexMono_600SemiBold.woff2') format('woff2');
}

:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --card-alt: #eef2f7;
  --border: #d4dce8;
  --border-soft: #e6ecf4;
  --text: #0a0e27;
  --sub: #4a5768;
  --faint: #636d7d;
  --brand: #1f56e8;
  --on-brand: #ffffff;
  --accent-soft: #eff6ff;
  --accent-border: #b8d9ff;
  --good: #047857;
  --good-soft: #ecfdf5;
  --good-border: #86efac;
  --warn: #b45309;
  --bad: #dc2626;
  --shadow: 0 1px 2px rgba(10, 14, 39, 0.04), 0 12px 32px rgba(10, 14, 39, 0.1);
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --radius: 18px;
  --wrap: 1080px;
  color-scheme: light;
}

/* Dark: when the system is dark and no theme was picked, or when dark was
   picked with the header toggle (assets/theme.js sets data-theme). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #101217;
    --card: #1a1c22;
    --card-alt: #22252c;
    --border: #2e323c;
    --border-soft: #262930;
    --text: #e0e2e8;
    --sub: #9ea4b2;
    --faint: #7e8494;
    --brand: #7eb6ff;
    --on-brand: #0a1220;
    --accent-soft: #182030;
    --accent-border: #3a5478;
    --good: #78c395;
    --good-soft: #152318;
    --good-border: #40865f;
    --warn: #d4ab5c;
    --bad: #dd9490;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #101217;
  --card: #1a1c22;
  --card-alt: #22252c;
  --border: #2e323c;
  --border-soft: #262930;
  --text: #e0e2e8;
  --sub: #9ea4b2;
  --faint: #7e8494;
  --brand: #7eb6ff;
  --on-brand: #0a1220;
  --accent-soft: #182030;
  --accent-border: #3a5478;
  --good: #78c395;
  --good-soft: #152318;
  --good-border: #40865f;
  --warn: #d4ab5c;
  --bad: #dd9490;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand);
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--card);
  border-radius: 8px;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

/* The app's section label: small mono caps, widely tracked. */
.eyebrow {
  font: 500 12px/1.4 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
}

.muted {
  color: var(--sub);
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  margin-right: auto;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
}

.site-nav a {
  color: var(--sub);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
}

/* Language picker: a <details> menu, so it works without JavaScript;
   assets/lang.js only adds close-on-outside-click and Escape. */
.langpick {
  position: relative;
}

.langpick summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 10px 0 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--sub);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

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

.langpick summary:hover,
.langpick[open] summary {
  color: var(--text);
  border-color: var(--accent-border);
}

.langpick summary:focus-visible,
.langpick a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.langpick summary svg {
  width: 17px;
  height: 17px;
  flex: none;
}

.langpick .chev {
  width: 13px;
  height: 13px;
  transition: transform 0.15s ease;
}

.langpick[open] .chev {
  transform: rotate(180deg);
}

.langpick ul {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 30;
  min-width: 176px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.site-nav .langpick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--text);
  font-size: 15px;
  white-space: nowrap;
}

.site-nav .langpick a:hover {
  background: var(--card-alt);
}

.site-nav .langpick a[aria-current] {
  color: var(--brand);
  font-weight: 600;
}

/* In the footer the menu opens upwards. */
.site-footer .langpick {
  display: inline-block;
  margin: 18px 0 4px;
}

.site-footer .langpick.up ul {
  top: auto;
  bottom: calc(100% + 8px);
  right: auto;
  left: 0;
}

.site-footer .langpick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
}

.site-footer .langpick a:hover {
  background: var(--card-alt);
}

.site-footer .langpick a[aria-current] {
  color: var(--brand);
  font-weight: 600;
}

.langpick .tick {
  width: 16px;
  height: 16px;
  flex: none;
}

/* Theme toggle: the moon offers dark, the sun offers light. */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--sub);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .sun {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .sun {
    display: block;
  }

  :root:not([data-theme='light']) .theme-toggle .moon {
    display: none;
  }
}

:root[data-theme='dark'] .theme-toggle .sun {
  display: block;
}

:root[data-theme='dark'] .theme-toggle .moon {
  display: none;
}

@media (max-width: 640px) {
  .site-nav .hide-sm {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 64px 0 40px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(36px, 5.2vw, 56px);
  margin: 14px 0 18px;
}

.hero .lead {
  font-size: 19px;
  color: var(--sub);
  max-width: 34ch;
}

.hero .phone {
  justify-self: center;
  width: min(100%, 330px);
}

@media (max-width: 820px) {
  .hero {
    padding-top: 40px;
  }

  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero .phone {
    width: min(100%, 290px);
  }
}

/* ---------- Store buttons ---------- */

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  /* Filled with the brand colour: on a card-coloured page an outlined button
     blended into the hero. */
  border: 1px solid transparent;
  background: var(--brand);
  color: var(--on-brand);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.store:hover {
  filter: brightness(1.08);
}

.store:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

/* The page's store pairs share one row at equal widths, down to the
   narrowest phone. The label stays left-aligned even inside a centred
   section. */
.stores {
  flex-wrap: nowrap;
}

.stores .store {
  flex: 1 1 0;
  min-width: 0;
  max-width: 220px;
  text-align: left;
}

@media (max-width: 420px) {
  .stores .store {
    gap: 8px;
    padding: 0 12px;
  }
}

.store svg {
  width: 20px;
  height: 20px;
  flex: none;
}

/* Until the listings are live the buttons are labels, not links. */
.store[aria-disabled='true'] {
  cursor: default;
}

.store small {
  display: block;
  font: 500 10px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.8;
}

.store-note {
  margin-top: 12px;
  font-size: 14px;
  color: var(--faint);
}

/* ---------- Phone screenshot ---------- */

.phone {
  margin: 0;
  border-radius: 34px;
  padding: 7px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.phone img {
  border-radius: 27px;
  aspect-ratio: 780 / 1587;
  width: 100%;
}

/* ---------- Sections ---------- */

.section {
  padding: 72px 0;
}

.section + .section {
  border-top: 1px solid var(--border-soft);
}

.section-head {
  max-width: 620px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 38px);
  margin: 12px 0 14px;
}

.section-head p {
  color: var(--sub);
  font-size: 18px;
}

/* How a case works: three phones with a numbered caption each. */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.steps .phone {
  max-width: 300px;
}

.step-num {
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.14em;
  color: var(--faint);
}

.steps h3 {
  font-size: 20px;
  margin: 8px 0 6px;
}

.steps p {
  color: var(--sub);
  font-size: 16px;
}

@media (max-width: 820px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps li {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
  }

  .steps .phone {
    flex: 0 0 44%;
    max-width: 220px;
    order: 2;
  }

  .steps .caption {
    order: 1;
    padding-top: 8px;
  }
}

@media (max-width: 480px) {
  .steps li {
    gap: 16px;
  }

  .steps .phone {
    flex-basis: 46%;
    border-radius: 24px;
    padding: 5px;
  }

  .steps .phone img {
    border-radius: 19px;
  }

  .steps h3 {
    font-size: 18px;
  }

  .steps p {
    font-size: 15px;
  }
}

/* The rule, stated the way the app's score bar shows it. */
.rule {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}

.rule div {
  padding: 20px 22px;
}

.rule div + div {
  border-left: 1px solid var(--border-soft);
}

.rule dt {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

.rule dd {
  margin: 6px 0 0;
  font: 600 28px/1.1 var(--mono);
}

.rule .good {
  color: var(--good);
}

.rule .bad {
  color: var(--bad);
}

.rule .note {
  display: block;
  margin-top: 6px;
  font: 400 14px/1.4 var(--sans);
  color: var(--sub);
}

@media (max-width: 640px) {
  .rule {
    grid-template-columns: 1fr;
  }

  .rule div + div {
    border-left: 0;
    border-top: 1px solid var(--border-soft);
  }
}

/* Progress: text beside two phones. */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.split .pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.split .pair .phone:last-child {
  margin-top: 48px;
}

.facts {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  border-top: 1px solid var(--border-soft);
}

.facts li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 16px;
}

.facts span:first-child {
  flex: 0 0 116px;
  font: 500 11px/1.9 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

@media (max-width: 820px) {
  .split {
    grid-template-columns: 1fr;
  }

  .split .pair {
    max-width: 520px;
  }
}

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

.faq {
  max-width: 760px;
}

.faq details {
  border-bottom: 1px solid var(--border-soft);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 36px 20px 0;
  position: relative;
  font-weight: 600;
  font-size: 18px;
}

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

.faq summary::after {
  content: '+';
  position: absolute;
  right: 4px;
  top: 16px;
  font: 400 24px/1 var(--mono);
  color: var(--faint);
}

.faq details[open] summary::after {
  content: '−';
}

.faq details p {
  padding: 0 0 22px;
  color: var(--sub);
  max-width: 64ch;
}

/* ---------- Closing call ---------- */

.closing {
  text-align: center;
}

.closing .card {
  padding: 48px 24px;
  border: 1px solid var(--accent-border);
  background: var(--accent-soft);
  border-radius: 24px;
}

.closing h2 {
  font-size: clamp(26px, 3.4vw, 34px);
  margin: 12px 0 10px;
}

.closing .stores {
  justify-content: center;
}

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

.site-footer {
  padding: 40px 0 48px;
  border-top: 1px solid var(--border-soft);
  font-size: 14px;
  color: var(--faint);
}

.site-footer .wrap {
  display: grid;
  gap: 18px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.site-footer a {
  color: var(--sub);
}

.disclaimer {
  max-width: 70ch;
}

/* ---------- Text pages (privacy, terms, support) ---------- */

.doc {
  max-width: 720px;
  padding: 56px 20px 80px;
  margin: 0 auto;
}

.doc h1 {
  font-size: clamp(30px, 4vw, 40px);
  margin: 12px 0 8px;
}

.doc h2 {
  font-size: 21px;
  margin: 40px 0 10px;
  letter-spacing: -0.01em;
}

.doc h3 {
  font-size: 17px;
  margin: 28px 0 6px;
  letter-spacing: -0.005em;
}

.doc h2 + h3 {
  margin-top: 14px;
}

.doc p,
.doc li {
  color: var(--sub);
}

.doc p + p {
  margin-top: 12px;
}

.doc ul,
.doc ol {
  padding-left: 20px;
  margin: 10px 0 0;
}

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

.doc strong {
  color: var(--text);
  font-weight: 600;
}

.doc .updated {
  font: 500 12px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 15px;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--sub);
}

.doc th {
  color: var(--text);
  font-weight: 600;
}

.callout {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 14px;
  background: var(--brand);
  color: var(--on-brand);
  font-weight: 600;
  text-decoration: none;
}

.button.secondary {
  background: var(--card);
  color: var(--brand);
  border: 1px solid var(--border);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

.h2 {
  font-size: clamp(28px, 3.6vw, 38px);
  margin: 12px 0 14px;
}

.lead-sm {
  font-size: 18px;
}

/* ---------- Legal pages (generated from docs/legal) ---------- */

.legal h2 {
  scroll-margin-top: 16px;
}

.legal hr {
  border: 0;
  border-top: 1px solid var(--border-soft);
  margin: 32px 0 0;
}

.legal ol {
  padding-left: 22px;
}

.legal td strong,
.legal li strong,
.legal p strong {
  color: var(--text);
}

.table-scroll {
  overflow-x: auto;
  margin-top: 12px;
  -webkit-overflow-scrolling: touch;
}

.table-scroll table {
  min-width: 560px;
  margin-top: 0;
}

/* An unfilled [PLACEHOLDER] in the source text. None should ship. */
mark.todo {
  background: #fef3c7;
  color: #78350f;
  border-radius: 4px;
  padding: 0 3px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) mark.todo {
    background: #3a2c0c;
    color: #fcd34d;
  }
}

:root[data-theme='dark'] mark.todo {
  background: #3a2c0c;
  color: #fcd34d;
}

/* ---------- About: the team ---------- */

.team,
.doc .team {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.doc .team li + li {
  margin-top: 0;
}

.person {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

.person h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.doc .person p {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--sub);
}

.initials {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--brand);
  font: 600 14px/1 var(--mono);
  letter-spacing: 0.04em;
}

@media (max-width: 560px) {
  .team,
  .doc .team {
    grid-template-columns: 1fr;
  }
}

/* ---------- Floating store bar ---------- */

.dock {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 20;
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.dock.is-hidden {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

/* On a phone the bar spans the bottom edge, one half per store. */
@media (max-width: 560px) {
  .dock {
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }

  .dock .store {
    flex: 1;
    justify-content: center;
    padding: 0 12px;
  }

  /* Room so the bar never covers the end of the page. */
  .site-footer {
    padding-bottom: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dock {
    transition: none;
  }
}

/* Beta tester quotes. */
.reviews {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.review {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}

.review-stars {
  margin: 0;
  color: var(--warn);
  letter-spacing: 2px;
  font-size: 16px;
}

.review blockquote {
  margin: 0;
  flex: 1;
}

.review blockquote p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}

.review figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
}

.review figcaption span {
  color: var(--sub);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 820px) {
  .reviews {
    grid-template-columns: 1fr;
  }
}