/* polices du site, servies localement */
@font-face { font-family: 'Nunito'; font-style: normal; font-weight: 400 900; font-display: swap; src: url(assets/fonts/nunito-latin-ext-400-900.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, 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: 'Nunito'; font-style: normal; font-weight: 400 900; font-display: swap; src: url(assets/fonts/nunito-latin-400-900.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: 'Source Serif 4'; font-style: italic; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-serif-4-latin-ext-400-800-i.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, 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: 'Source Serif 4'; font-style: italic; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-serif-4-latin-400-800-i.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: 'Source Serif 4'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-serif-4-latin-ext-400-800.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, 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: 'Source Serif 4'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-serif-4-latin-400-800.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; }

:root {
  --kau-bg: #F2E4C6;
  --kau-surface: #FBF3E0;
  --kau-text: #2A1A0C;
  --kau-muted: #58412B;
  --kau-accent: #07555C;
  --kau-accent2: #B5721A;
  --kau-line: #4A2E14;
  --kau-on-accent: #FFFFFF;
  --kau-font-display: "Nunito", "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  --kau-font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --kau-shadow: 6px 6px 0 var(--kau-accent);
  --kau-shadow-warm: 6px 6px 0 var(--kau-accent2);
}

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

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

body {
  margin: 0;
  background: var(--kau-bg);
  color: var(--kau-text);
  font-family: var(--kau-font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; }

h1, h2, h3 {
  font-family: var(--kau-font-display);
  line-height: 1.15;
  margin: 0 0 .6em;
  color: var(--kau-text);
}
h1 { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.8rem); font-weight: 900; }
h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 800; color: var(--kau-accent); }

p { margin: 0 0 .85em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: .3em; }

a { color: var(--kau-accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--kau-text); }

:focus-visible {
  outline: 3px solid var(--kau-accent);
  outline-offset: 3px;
  background-color: var(--kau-surface);
}

.kau-wrap {
  width: 100%;
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 1rem;
}

/* En-tête */
.kau-header {
  background: var(--kau-surface);
  border-bottom: 4px double var(--kau-line);
}
.kau-header .kau-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-top: .8rem;
  padding-bottom: .8rem;
}
.kau-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--kau-font-display);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--kau-text);
  text-decoration: none;
}
.kau-brand svg { width: 2rem; height: 2rem; flex: none; }
.kau-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.2rem;
  margin: 0;
  padding: 0;
}
.kau-nav li { margin: 0; }
.kau-nav a {
  font-family: var(--kau-font-display);
  font-weight: 700;
  color: var(--kau-accent);
  padding: .25rem 0;
  display: inline-block;
}

/* Premier écran */
.kau-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  padding: 1.6rem 0 1.2rem;
}
.kau-hero__frame {
  grid-column: 1 / 13;
  grid-row: 1;
  margin: 0;
  border: 3px solid var(--kau-line);
  border-radius: 6px 64px 10px 40px;
  background: var(--kau-surface);
  box-shadow: var(--kau-shadow);
  overflow: hidden;
  position: relative;
}
.kau-hero__frame img { display: block; width: 100%; height: auto; }
.kau-hero__panel {
  grid-column: 1 / 13;
  grid-row: 2;
  position: relative;
  z-index: 2;
  margin: -3rem 0 0 .8rem;
  width: calc(100% - .8rem);
  background: var(--kau-surface);
  border: 3px solid var(--kau-line);
  border-radius: 28px 4px 28px 4px;
  box-shadow: var(--kau-shadow-warm);
  padding: 1.1rem 1.2rem 1.2rem;
}
.kau-hero__panel h1 { margin-bottom: .45em; }
.kau-lede { font-size: 1.1rem; margin-bottom: .9em; }
.kau-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.6rem;
  margin: 0 0 .9rem;
  padding: .7rem 0 0;
  border-top: 2px solid var(--kau-accent2);
}
.kau-facts div { min-width: 7rem; }
.kau-facts dt {
  font-family: var(--kau-font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--kau-accent);
  line-height: 1.1;
}
.kau-facts dd { margin: 0; font-size: .92rem; color: var(--kau-muted); }
.kau-jump {
  display: inline-block;
  font-family: var(--kau-font-display);
  font-weight: 800;
  background: var(--kau-accent);
  color: var(--kau-on-accent);
  padding: .5rem 1rem;
  border: 2px solid var(--kau-line);
  border-radius: 4px 14px 4px 14px;
  text-decoration: none;
}
.kau-jump:hover { background: var(--kau-text); color: var(--kau-on-accent); }

@media (min-width: 62rem) {
  .kau-hero { padding-top: 2.4rem; }
  .kau-hero__frame { grid-column: 1 / 9; grid-row: 1; }
  .kau-hero__panel {
    grid-column: 7 / 13;
    grid-row: 1;
    margin: 0 0 -1.5rem 0;
    width: 100%;
    align-self: end;
    padding: 1.4rem 1.6rem 1.5rem;
  }
}

/* Sections en escalier */
.kau-main { padding-bottom: 2rem; }
.kau-step {
  width: 100%;
  margin: 2.2rem 0 0;
  background: var(--kau-surface);
  border: 2px solid var(--kau-line);
  border-radius: 4px;
  box-shadow: var(--kau-shadow);
  padding: 1.1rem 1.1rem 1rem;
}
.kau-step > h2 {
  padding-bottom: .35em;
  border-bottom: 3px solid var(--kau-accent2);
}
@media (min-width: 48rem) {
  .kau-step { width: 90%; padding: 1.4rem 1.6rem 1.2rem; }
  .kau-step--l { margin-right: auto; margin-left: 0; }
  .kau-step--r { margin-left: auto; margin-right: 0; }
}
@media (min-width: 90rem) {
  .kau-step { width: 84%; }
}

/* Fiches de bonus */
.kau-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 1.3rem;
  margin: 1rem 0;
}
.kau-card {
  background: var(--kau-bg);
  border: 2px solid var(--kau-line);
  border-radius: 4px 18px 4px 18px;
  box-shadow: var(--kau-shadow);
  padding: .9rem 1rem 1rem;
}
.kau-card--warm { box-shadow: var(--kau-shadow-warm); }
.kau-card h3 { margin-bottom: .5em; }
.kau-fields { margin: 0; }
.kau-fields dt {
  font-family: var(--kau-font-display);
  font-weight: 800;
  font-size: .95rem;
  color: var(--kau-text);
  margin-top: .55rem;
}
.kau-fields dd {
  margin: .1rem 0 0;
  padding-left: .7rem;
  border-left: 3px solid var(--kau-accent2);
}

/* Tableaux */
.kau-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border: 2px solid var(--kau-line);
  background: var(--kau-bg);
}
.kau-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: .97rem;
}
.kau-table caption {
  text-align: left;
  font-family: var(--kau-font-display);
  font-weight: 800;
  padding: .5rem .7rem;
  background: var(--kau-surface);
  border-bottom: 2px solid var(--kau-line);
}
.kau-table th, .kau-table td {
  text-align: left;
  vertical-align: top;
  padding: .45rem .7rem;
  border-bottom: 1px solid var(--kau-line);
}
.kau-table thead th {
  background: var(--kau-accent);
  color: var(--kau-on-accent);
  font-family: var(--kau-font-display);
  font-weight: 800;
}
.kau-table tbody th { font-family: var(--kau-font-display); font-weight: 800; }
.kau-table tbody tr:last-child th, .kau-table tbody tr:last-child td { border-bottom: 0; }

/* Encadré */
.kau-note {
  margin: 1rem 0;
  padding: .8rem 1rem;
  background: var(--kau-bg);
  border: 2px solid var(--kau-line);
  border-left: 8px solid var(--kau-accent2);
}
.kau-note p:last-child { margin-bottom: 0; }

/* Calcul en étapes */
.kau-steps { list-style: none; counter-reset: kau-s; padding: 0; margin: 1rem 0; }
.kau-steps li {
  counter-increment: kau-s;
  position: relative;
  padding: .45rem .8rem .45rem 2.8rem;
  margin-bottom: .5rem;
  background: var(--kau-bg);
  border: 2px solid var(--kau-line);
}
.kau-steps li::before {
  content: counter(kau-s);
  position: absolute;
  left: .6rem;
  top: .35rem;
  width: 1.7rem;
  height: 1.7rem;
  line-height: 1.7rem;
  text-align: center;
  font-family: var(--kau-font-display);
  font-weight: 900;
  background: var(--kau-accent);
  color: var(--kau-on-accent);
  border-radius: 50%;
}

/* Bloc russe */
.kau-ru {
  border-top: 8px solid var(--kau-accent2);
}
.kau-ru h3 { margin-top: 1rem; }

/* Questions-réponses */
.kau-qa__item {
  background: var(--kau-bg);
  border: 2px solid var(--kau-line);
  border-radius: 4px 14px 4px 14px;
  box-shadow: 4px 4px 0 var(--kau-accent);
  padding: .8rem 1rem .7rem;
  margin: 1rem 0 1.2rem;
}
.kau-qa__item h3 { color: var(--kau-text); margin-bottom: .4em; }
.kau-qa__item p { margin-bottom: .3em; }

/* Page juridique */
.kau-legal { max-width: 46rem; margin: 2rem auto; }
.kau-legal dl { margin: 0; }
.kau-legal dt { font-family: var(--kau-font-display); font-weight: 800; margin-top: .8rem; }
.kau-legal dd { margin: .1rem 0 0; }

/* Pied */
.kau-footer {
  background: var(--kau-text);
  color: var(--kau-bg);
  border-top: 6px solid var(--kau-accent2);
  padding: 1.4rem 0;
  font-size: .95rem;
}
.kau-footer .kau-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 2rem;
  align-items: baseline;
  justify-content: space-between;
}
.kau-footer a { color: var(--kau-bg); }
.kau-footer a:hover { color: #fff; }
.kau-footer :focus-visible { outline-color: var(--kau-bg); background: transparent; }
.kau-footer__name { font-family: var(--kau-font-display); font-weight: 900; font-size: 1.1rem; }
.kau-credits { flex-basis: 100%; margin: 0; }

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

@media (max-width: 30rem) {
  body { font-size: 1rem; }
  .kau-hero__panel { border-radius: 20px 4px 20px 4px; }
}