/* polices du site, servies localement */
@font-face { font-family: 'Merriweather'; font-style: normal; font-weight: 400 900; font-stretch: 100%; font-display: swap; src: url(assets/fonts/merriweather-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: 'Merriweather'; font-style: normal; font-weight: 400 900; font-stretch: 100%; font-display: swap; src: url(assets/fonts/merriweather-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 Sans 3'; font-style: italic; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-sans-3-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 Sans 3'; font-style: italic; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-sans-3-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 Sans 3'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-sans-3-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 Sans 3'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(assets/fonts/source-sans-3-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 {
  --usl-bg: #FBF1EA;
  --usl-surface: #F3E0D3;
  --usl-text: #0F2E36;
  --usl-muted: #36505A;
  --usl-accent: #0A4F5C;
  --usl-accent2: #E8946B;
  --usl-ligne: #D4B8A6;
  --usl-clair: #FFFFFF;
  --usl-colline-a: #0C5C6A;
  --usl-colline-b: #0B4651;
  --usl-feuille: #1C6F7C;
  --usl-chemin: #D4B8A6;
  --usl-police-titre: "Merriweather", Georgia, "Times New Roman", serif;
  --usl-police-texte: "Source Sans 3", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --usl-gouttiere: clamp(1rem, 4vw, 3rem);
}

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

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

body {
  margin: 0;
  background: var(--usl-bg);
  color: var(--usl-text);
  font-family: var(--usl-police-texte);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

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

a {
  color: var(--usl-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--usl-accent2);
}

a:hover {
  background: var(--usl-surface);
}

:focus-visible {
  outline: 3px solid var(--usl-accent);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--usl-police-titre);
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0 0 1rem;
}

/* En-tête */

.usl-entete {
  background: var(--usl-bg);
  border-bottom: 1px solid var(--usl-ligne);
  padding: 0.75rem var(--usl-gouttiere);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}

.usl-marque {
  font-family: var(--usl-police-titre);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--usl-text);
  text-decoration: none;
  border-left: 6px solid var(--usl-accent2);
  padding: 0.15rem 0 0.15rem 0.7rem;
}

.usl-marque:hover {
  background: transparent;
  color: var(--usl-accent);
}

.usl-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.usl-menu a {
  display: block;
  padding: 0.45rem 0.8rem;
  color: var(--usl-text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}

.usl-menu a:hover {
  background: var(--usl-surface);
  border-bottom-color: var(--usl-accent2);
}

/* Premier écran */

.usl-ouverture {
  position: relative;
  overflow: hidden;
  min-height: clamp(540px, 88vh, 840px);
  display: flex;
  align-items: flex-end;
  background: var(--usl-accent);
  border-radius: 0 0 clamp(1.5rem, 5vw, 4.5rem) clamp(1.5rem, 5vw, 4.5rem);
}

.usl-dessin {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  display: block;
}

.usl-d-ciel { fill: var(--usl-accent); }
.usl-d-soleil { fill: var(--usl-accent2); }
.usl-d-colline-a { fill: var(--usl-colline-a); }
.usl-d-colline-b { fill: var(--usl-colline-b); }
.usl-d-sol { fill: var(--usl-text); }
.usl-d-mur { fill: var(--usl-surface); }
.usl-d-toit { fill: var(--usl-text); }
.usl-d-lumiere { fill: var(--usl-accent2); }
.usl-d-socle { fill: var(--usl-muted); }
.usl-d-chemin { fill: var(--usl-chemin); }
.usl-d-tronc { fill: var(--usl-surface); }
.usl-d-feuille { fill: var(--usl-feuille); }
.usl-d-trait { fill: none; stroke: var(--usl-text); stroke-width: 3; }

.usl-ardoise {
  position: relative;
  background: var(--usl-text);
  color: var(--usl-bg);
  border-left: 6px solid var(--usl-accent2);
  max-width: 40rem;
  margin: 0 var(--usl-gouttiere) clamp(1rem, 4vw, 3rem);
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.usl-ardoise h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  font-weight: 900;
  color: var(--usl-clair);
  margin-bottom: 0.9rem;
}

.usl-ardoise p {
  margin-bottom: 1.1rem;
}

.usl-ardoise a {
  color: var(--usl-clair);
}

.usl-ardoise a:hover {
  background: var(--usl-accent);
}

.usl-ardoise :focus-visible {
  outline-color: var(--usl-accent2);
}

.usl-reperes {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.usl-reperes div {
  border-top: 1px solid var(--usl-muted);
  padding-top: 0.5rem;
}

.usl-reperes dt {
  color: var(--usl-accent2);
  font-weight: 600;
  font-size: 0.95rem;
}

.usl-reperes dd {
  margin: 0;
}

/* Corps */

.usl-lecon {
  padding: clamp(2rem, 6vw, 4.5rem) var(--usl-gouttiere);
}

.usl-lecon--teinte {
  background: var(--usl-surface);
}

.usl-cadre {
  max-width: 72rem;
  margin: 0 auto;
}

.usl-lecon h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--usl-accent);
  margin-bottom: 1.25rem;
  max-width: 40rem;
}

.usl-lecon h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.usl-colonnes {
  column-count: 1;
}

.usl-colonnes p {
  orphans: 3;
  widows: 3;
}

@media (min-width: 900px) {
  .usl-colonnes {
    column-count: 2;
    column-gap: 3rem;
    column-rule: 1px solid var(--usl-ligne);
  }
}

.usl-duo {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .usl-duo {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 3rem;
    align-items: start;
  }
}

/* Encadré */

.usl-encadre {
  background: var(--usl-surface);
  border-left: 6px solid var(--usl-accent2);
  padding: 1.25rem 1.5rem;
}

.usl-lecon--teinte .usl-encadre {
  background: var(--usl-bg);
}

.usl-encadre h3 {
  color: var(--usl-text);
  margin-bottom: 0.75rem;
}

.usl-encadre dl {
  margin: 0;
}

.usl-encadre dt {
  font-weight: 600;
  color: var(--usl-muted);
  font-size: 0.95rem;
}

.usl-encadre dd {
  margin: 0 0 0.7rem;
}

.usl-encadre dd:last-child {
  margin-bottom: 0;
}

/* Tableau */

.usl-tableau-wrap {
  overflow-x: auto;
  max-width: 100%;
  margin: 1.25rem 0 1.5rem;
}

.usl-tableau {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  background: var(--usl-bg);
}

.usl-tableau caption {
  text-align: left;
  font-family: var(--usl-police-titre);
  font-weight: 700;
  color: var(--usl-muted);
  padding-bottom: 0.6rem;
}

.usl-tableau th,
.usl-tableau td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--usl-ligne);
}

.usl-tableau thead th {
  background: var(--usl-accent);
  color: var(--usl-clair);
  font-weight: 600;
  border-bottom: 0;
}

.usl-tableau tbody th {
  font-family: var(--usl-police-titre);
  font-weight: 700;
  background: var(--usl-surface);
  white-space: nowrap;
}

/* Figure */

.usl-figure {
  margin: 0 0 1.5rem;
}

.usl-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: clamp(1.25rem, 3vw, 2.5rem);
}

.usl-figure figcaption {
  color: var(--usl-muted);
  font-size: 0.95rem;
  margin-top: 0.6rem;
}

/* Bouton */

.usl-bouton {
  display: inline-block;
  background: var(--usl-accent);
  color: var(--usl-clair);
  padding: 0.7rem 1.3rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--usl-accent);
}

.usl-bouton:hover {
  background: var(--usl-text);
  border-color: var(--usl-text);
  color: var(--usl-clair);
}

/* Questions-réponses */

.usl-reponses {
  display: grid;
  gap: 0;
  max-width: 52rem;
}

.usl-reponse {
  border-top: 1px solid var(--usl-ligne);
  padding: 1.1rem 0 0.4rem;
}

.usl-reponse:last-child {
  border-bottom: 1px solid var(--usl-ligne);
}

.usl-reponse p {
  color: var(--usl-text);
}

/* Pied */

.usl-pied {
  background: var(--usl-text);
  color: var(--usl-bg);
  padding: 2rem var(--usl-gouttiere);
  display: grid;
  gap: 0.75rem;
}

.usl-pied a {
  color: var(--usl-accent2);
}

.usl-pied a:hover {
  background: var(--usl-accent);
  color: var(--usl-clair);
}

.usl-pied :focus-visible {
  outline-color: var(--usl-accent2);
}

.usl-pied-nom {
  font-family: var(--usl-police-titre);
  font-weight: 900;
  font-size: 1.15rem;
  margin: 0;
}

.usl-pied p {
  margin: 0;
}

.usl-credits {
  font-size: 0.95rem;
}

/* Page juridique */

.usl-juridique {
  max-width: 48rem;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) var(--usl-gouttiere);
}

.usl-juridique h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--usl-accent);
  margin-bottom: 1.5rem;
}

.usl-juridique h2 {
  font-size: 1.3rem;
  margin: 1.75rem 0 0.5rem;
}

@media (prefers-reduced-motion: no-preference) {
  a,
  .usl-bouton,
  .usl-menu a {
    transition: background-color 0.15s ease, color 0.15s ease;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 520px) {
  .usl-menu a {
    padding: 0.4rem 0.6rem;
  }

  .usl-ardoise {
    margin-left: 0.75rem;
    margin-right: 0.75rem;
  }
}