/* Couleurs du kit Refocus (docs/brand/refocus-theme.css) : clair par défaut, anthracite si le système est sombre. */
:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-raised: #f0f1ec;
  --text: #191d1f;
  --text-secondary: #56615b;
  --border: #ccd3c9;
  --border-control: #7b8b7e;
  --primary: #216a38;
  --primary-hover: #18562d;
  --primary-active: #124825;
  --on-primary: #ffffff;
  --selection-bg: #e4efde;
  --selection-text: #1a552d;
  --focus: #216a38;
  --warning: #8a5200;
  --warning-bg: #fff0d5;
  --radius: 14px;
  --font: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #191b1d;
    --surface: #222527;
    --surface-raised: #2b2f31;
    --text: #fafbf8;
    --text-secondary: #c0c7c1;
    --border: #3c4440;
    --border-control: #6f7b73;
    --primary: #9ed987;
    --primary-hover: #b1e49b;
    --primary-active: #8ac574;
    --on-primary: #152419;
    --selection-bg: #253c2b;
    --selection-text: #b9e8a6;
    --focus: #9ed987;
    --warning: #e8c273;
    --warning-bg: #3c321f;
  }
}

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

html {
  scroll-behavior: smooth;
  /* Hauteur de l'en-tête collant : ni une ancre ni l'élément qui a le focus ne passent dessous. */
  scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

a {
  color: var(--primary);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--primary-hover);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1em;
}

.wrap {
  width: min(1080px, 100% - 32px);
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  padding: 10px 16px;
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--focus);
  border-radius: 8px;
  z-index: 10;
}

.skip:focus {
  top: 12px;
}

/* En-tête */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand img {
  width: 141px;
  height: auto;
}

/* Boutons */
.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
}

.button:hover {
  background: var(--primary-hover);
  color: var(--on-primary);
}

.button:active {
  background: var(--primary-active);
}

.button svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-small {
  padding: 8px 18px;
  font-size: 0.95rem;
}

.button-large {
  padding: 18px 32px;
  font-size: 1.15rem;
}

/* Haut de page */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 48px;
  padding-block: 72px 80px;
}

.eyebrow {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--selection-bg);
  color: var(--selection-text);
  font-size: 0.9rem;
  font-weight: 600;
}

.accent {
  color: var(--primary);
}

.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 38em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-block: 28px 12px;
}

.link {
  font-weight: 600;
}

.fineprint {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Exemple de rappel */
.mock {
  margin: 0;
}

.mock-card {
  max-width: 380px;
  margin-inline: auto;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px -24px rgb(0 0 0 / 0.35);
}

.mock-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.mock-head img {
  border-radius: 6px;
}

.mock-title {
  font-weight: 700;
  margin-bottom: 2px;
}

.mock-task {
  margin-bottom: 2px;
}

.mock-next {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.mock-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mock-buttons span {
  padding: 8px 4px;
  text-align: center;
  font-size: 0.85rem;
  border-radius: 6px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
}

.mock figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Bandes */
.band {
  background: var(--surface-raised);
  border-block: 1px solid var(--border);
  padding-block: 64px;
}

section.wrap {
  padding-block: 64px;
}

.steps,
.features {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 20px;
}

.steps {
  grid-template-columns: repeat(3, 1fr);
}

.features {
  grid-template-columns: repeat(3, 1fr);
}

.steps li,
.features li {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.steps p,
.features p {
  margin: 0;
  color: var(--text-secondary);
}

.step-number {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
}

.private {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  max-width: 800px;
}

.private p {
  color: var(--text-secondary);
  margin: 0;
}

.private-icon {
  flex: none;
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Téléchargement */
.download {
  text-align: center;
}

.download .lead {
  margin-inline: auto;
}

.download-box {
  margin-block: 28px 36px;
}

.download-box .button {
  margin-bottom: 12px;
}

.notice {
  max-width: 760px;
  margin: 0 auto 24px;
  padding: 24px 28px;
  text-align: left;
  background: var(--warning-bg);
  border-radius: var(--radius);
}

.notice h3 {
  color: var(--warning);
}

.notice ul {
  margin: 0;
  padding-left: 1.2em;
}

.notice li + li {
  margin-top: 10px;
}

.notice ol {
  margin: 8px 0;
  padding-left: 1.4em;
}

.notice ol li + li {
  margin-top: 4px;
}

.checksum ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--text-secondary);
}

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

.checksum {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
  padding: 16px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.checksum summary {
  cursor: pointer;
  font-weight: 600;
}

.checksum p {
  margin-top: 12px;
  color: var(--text-secondary);
}

.checksum dt {
  font-weight: 600;
  margin-top: 12px;
}

.checksum dd {
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

code {
  font-family: Consolas, 'Cascadia Mono', ui-monospace, monospace;
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.copy {
  font: inherit;
  font-size: 0.9rem;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-control);
  background: var(--surface-raised);
  color: var(--text);
  cursor: pointer;
}

.copy:hover {
  border-color: var(--primary);
}

.copy-status {
  min-height: 1.6em;
  margin: 8px 0 0;
}

/* Pied de page */
.foot {
  border-top: 1px solid var(--border);
  padding-block: 28px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

.foot p {
  margin: 0;
}

/* Écrans étroits */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 48px 56px;
  }

  .steps,
  .features {
    grid-template-columns: 1fr;
  }

  .features {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 480px) {
  .button-large {
    width: 100%;
    justify-content: center;
    padding-inline: 20px;
  }

  .private {
    flex-direction: column;
    gap: 12px;
  }

  .notice {
    padding: 20px;
  }
}