/* ============================================================
   portail-academique.fr — design system "classeur du formateur"
   ============================================================ */

/* ---- Reset image obligatoire (regle reseau anti-distorsion) ---- */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

body {
  margin: 0;
  padding: 0;
}

/* ---- Design tokens ---- */
:root {
  /* Couleurs */
  --color-bg: #F7F5F0;
  --color-ink: #1E2B23;
  --color-accent-primary: #C65D2E;
  --color-accent-secondary: #2F6B5E;
  --color-rule: #D8D2C4;
  --color-surface: #FFFFFF;

  /* Typographies */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Grille */
  --content-max-width: 720px;
  --grid-max-width: 1200px;
  --spacing-unit: 8px;
  --section-gap-desktop: 96px;
  --section-gap-mobile: 56px;

  /* Rayons */
  --radius-card: 4px;
  --radius-tampon: 50%;
  --radius-callout: 2px;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  font-size: 1.0625rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0 0 calc(var(--spacing-unit) * 2) 0;
}

h1 { font-size: clamp(2rem, 1.6rem + 2vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.375rem; font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

p {
  margin: 0 0 calc(var(--spacing-unit) * 2) 0;
}

a {
  color: var(--color-accent-primary);
  text-decoration: none;
}

.prose a {
  background-image: linear-gradient(var(--color-accent-primary), var(--color-accent-primary));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size 150ms ease;
}

.prose a:hover {
  background-size: 100% 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent-secondary);
  outline-offset: 2px;
}

code, pre {
  font-family: var(--font-mono);
}

/* ---- Chiffres / donnees factuelles ---- */
.figure,
.mono {
  font-family: var(--font-mono);
  font-weight: 500;
}

/* ---- Grille / conteneurs ---- */
.wrap {
  width: 100%;
  max-width: var(--grid-max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

.wrap-content {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

.section {
  padding-block: var(--section-gap-mobile);
}

@media (min-width: 900px) {
  .section {
    padding-block: var(--section-gap-desktop);
  }
}

hr,
.rule {
  border: none;
  border-top: 1px solid var(--color-rule);
  margin: calc(var(--spacing-unit) * 4) 0;
}

/* ============================================================
   Wrappers anti-distorsion images (regle reseau obligatoire)
   JAMAIS object-fit directement sur <img> seul.
   ============================================================ */
.img-hero {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-rule);
}

.img-card {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-rule);
}

.img-body {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-rule);
}

.img-portrait {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 50%;
  background: var(--color-rule);
}

.img-hero img,
.img-card img,
.img-body img,
.img-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* ---- Boutons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-card);
  border: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.btn-primary {
  background: var(--color-accent-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  box-shadow: 0 4px 14px rgba(198, 93, 46, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-rule);
}

.btn-secondary:hover {
  border-color: var(--color-accent-secondary);
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 3px rgba(30, 43, 35, 0.08);
  overflow: hidden;
  transition: transform 150ms ease, box-shadow 150ms ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 43, 35, 0.12);
}

.card__body {
  padding: calc(var(--spacing-unit) * 2.5);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: calc(var(--spacing-unit) * 1) 0;
  color: var(--color-ink);
}

.card__excerpt {
  font-size: 0.9375rem;
  color: rgba(30, 43, 35, 0.75);
  margin: 0;
}

.card__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(30, 43, 35, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- Tampon (signature) ---- */
.tampon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-secondary);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  user-select: none;
}

.tampon--lg {
  width: 84px;
  height: 84px;
  font-size: 1.05rem;
}

.tampon--md {
  width: 56px;
  height: 56px;
  font-size: 0.8125rem;
}

.tampon--sm {
  width: 32px;
  height: 32px;
  font-size: 0.625rem;
}

/* ---- Callout a retenir ---- */
.callout {
  border-left: 4px solid var(--color-accent-primary);
  background: var(--color-surface);
  padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 3);
  border-radius: 0 var(--radius-callout) var(--radius-callout) 0;
  margin: calc(var(--spacing-unit) * 3) 0;
}

.callout__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-primary);
  margin-bottom: 6px;
  font-weight: 500;
}

/* ---- Fiche tarif ---- */
.fiche-tarif {
  position: relative;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  padding: calc(var(--spacing-unit) * 3);
  margin: calc(var(--spacing-unit) * 3) 0;
}

.fiche-tarif__tampon {
  position: absolute;
  top: -14px;
  left: -14px;
}

.fiche-tarif__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent-primary);
}

.fiche-tarif__label {
  font-size: 0.875rem;
  color: rgba(30, 43, 35, 0.7);
}

/* ---- Tableau comparatif ---- */
.table-comparatif {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table-comparatif th {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--color-ink);
}

.table-comparatif td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-rule);
}

.table-comparatif tbody tr:nth-child(even) {
  background: rgba(247, 245, 240, 0.6);
}

.table-comparatif .figure {
  font-family: var(--font-mono);
}

/* ---- Header / Nav ---- */
.site-header {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: calc(var(--spacing-unit) * 2);
  gap: calc(var(--spacing-unit) * 3);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-ink);
}

.site-nav {
  display: none;
  gap: calc(var(--spacing-unit) * 3);
  align-items: center;
}

.site-nav a {
  color: var(--color-ink);
  font-weight: 500;
  font-size: 0.9375rem;
}

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

@media (min-width: 900px) {
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
}

.nav-toggle {
  background: none;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: 8px 12px;
  font-family: var(--font-body);
  cursor: pointer;
}

.site-nav-mobile {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1.5);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  border-top: 1px solid var(--color-rule);
}

.site-nav-mobile a {
  color: var(--color-ink);
  font-weight: 500;
}

@media (min-width: 900px) {
  .site-nav-mobile { display: none; }
}

/* ---- Hero homepage ---- */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing-unit) * 4);
  align-items: center;
  padding-block: calc(var(--spacing-unit) * 6);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.1fr 1fr;
    padding-block: calc(var(--spacing-unit) * 8);
  }
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-secondary);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.hero__title {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(30, 43, 35, 0.85);
  max-width: 46ch;
}

/* ---- Tampon hub row ---- */
.hub-row {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  overflow-x: auto;
  padding-bottom: calc(var(--spacing-unit) * 1);
  scrollbar-width: thin;
}

@media (min-width: 700px) {
  .hub-row {
    justify-content: space-between;
    overflow-x: visible;
  }
}

.hub-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1.5);
  text-align: center;
  flex: 0 0 auto;
  width: 140px;
  color: var(--color-ink);
}

.hub-link__label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.hub-link:hover .tampon {
  transform: rotate(0deg) scale(1.05);
}

/* ---- Grid cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing-unit) * 3);
}

@media (min-width: 700px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card__kicker {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--color-rule);
  padding-block: calc(var(--spacing-unit) * 5);
  margin-top: calc(var(--spacing-unit) * 6);
  font-size: 0.875rem;
  color: rgba(30, 43, 35, 0.75);
}

.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: calc(var(--spacing-unit) * 3);
}

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

.site-footer a:hover {
  color: var(--color-accent-primary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8125rem;
  color: rgba(30, 43, 35, 0.65);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.breadcrumb a {
  color: rgba(30, 43, 35, 0.65);
}

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

/* ---- FAQ Accordion ---- */
.faq-accordion {
  margin: calc(var(--spacing-unit) * 4) 0;
  border-top: 1px solid var(--color-rule);
}

.faq-item {
  border-bottom: 1px solid var(--color-rule);
}

.faq-item summary {
  cursor: pointer;
  padding: calc(var(--spacing-unit) * 2) 0;
  font-weight: 600;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item__answer {
  padding-bottom: calc(var(--spacing-unit) * 2);
  color: rgba(30, 43, 35, 0.85);
}

/* ---- Filter bar ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 1);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.filter-bar a {
  padding: 8px 16px;
  border: 1px solid var(--color-rule);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-ink);
  font-weight: 500;
}

.filter-bar a.is-active,
.filter-bar a:hover {
  background: var(--color-accent-secondary);
  border-color: var(--color-accent-secondary);
  color: #FFFFFF;
}

/* ---- Article prose ---- */
.prose {
  font-size: 1.0625rem;
  line-height: 1.75;
}

.prose h2, .prose h3 {
  margin-top: calc(var(--spacing-unit) * 5);
}

.prose ul, .prose ol {
  padding-left: 1.5em;
  margin: 0 0 calc(var(--spacing-unit) * 2) 0;
}

.prose li {
  margin-bottom: 6px;
}

.prose blockquote {
  border-left: 3px solid var(--color-accent-secondary);
  margin: calc(var(--spacing-unit) * 3) 0;
  padding-left: calc(var(--spacing-unit) * 2);
  font-style: italic;
  color: rgba(30, 43, 35, 0.85);
}

/* ---- Sommaire (TOC) ---- */
.article-sommaire {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.article-sommaire li {
  margin-bottom: 8px;
}

.article-sommaire a {
  color: var(--color-accent-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
}

.article-sommaire a:hover {
  text-decoration: underline;
}

.toc-mobile {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 4);
  background: var(--color-surface);
}

.toc-mobile summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-ink);
}

.toc-mobile ol {
  margin-top: calc(var(--spacing-unit) * 1.5);
}

@media (min-width: 960px) {
  .toc-mobile {
    display: none;
  }

  .article-with-toc {
    display: grid;
    grid-template-columns: minmax(0, var(--content-max-width)) 260px;
    gap: calc(var(--spacing-unit) * 5);
    align-items: start;
    justify-content: center;
  }

  .toc-sticky-wrap {
    position: sticky;
    top: calc(var(--spacing-unit) * 3);
  }

  .toc-sticky {
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-card);
    padding: calc(var(--spacing-unit) * 2.5);
    background: var(--color-surface);
  }

  .toc-sticky h3 {
    margin: 0 0 calc(var(--spacing-unit) * 1.5) 0;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-ink);
  }
}

@media (max-width: 959px) {
  .toc-sticky-wrap {
    display: none;
  }
}