/* =========================================================
   SolaireDécodé — Feuille de styles principale
   Projet étudiant Polytech Sorbonne — DDRS — 2026
   ========================================================= */

/* ---------- 1. Variables (palette + typographie) ---------- */
:root {
  --bleu-confiance: #1B3A5C;
  --bleu-confiance-dark: #122A44;
  --soleil-or: #F5B800;
  --soleil-or-dark: #D9A300;
  --orange-alerte: #E67E22;
  --vert-valide: #2D8B5A;
  --rouge-piege: #C0392B;
  --blanc-casse: #FAFAF7;
  --gris-texte: #2C2C2C;
  --gris-doux: #5A5A5A;
  --gris-clair: #E8E8E8;
  --gris-tres-clair: #F2F2EE;

  --font-titre: 'Manrope', system-ui, -apple-system, sans-serif;
  --font-corps: 'Inter', system-ui, -apple-system, sans-serif;

  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.10);
  --radius-card: 12px;
  --radius-btn: 8px;

  --max-content: 1180px;
}

/* ---------- 2. Reset léger ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-corps);
  font-size: 18px;
  line-height: 1.6;
  color: var(--gris-texte);
  background: var(--blanc-casse);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--bleu-confiance);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--soleil-or-dark);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- 3. Typographie ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 800;
  color: var(--bleu-confiance);
  line-height: 1.2;
  margin-bottom: 0.5em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin-top: 2.5em; }
h3 { font-size: 1.5rem; margin-top: 1.5em; }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1em;
  max-width: 70ch;
}

p.lead {
  font-size: 1.2rem;
  color: var(--gris-doux);
}

/* ---------- 4. Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--gris-tres-clair);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ---------- 5. Header & navigation ---------- */
.site-header {
  background: var(--blanc-casse);
  border-bottom: 1px solid var(--gris-clair);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-content);
  margin: 0 auto;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--bleu-confiance);
}

.brand__logo {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand__name {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1;
}

.brand__tagline {
  font-size: 0.75rem;
  color: var(--gris-doux);
  display: block;
  font-weight: 500;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  flex: 1;
  justify-content: space-between;
  align-items: center;
  margin-left: 4rem;
  gap: 2rem;
}

.main-nav a,
.main-nav .nav-trigger {
  text-decoration: none;
  color: var(--gris-texte);
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-btn);
  transition: background 0.15s;
  letter-spacing: 0.01em;
}

.main-nav > a:hover,
.main-nav > a[aria-current="page"],
.main-nav .has-dropdown:hover > .nav-trigger,
.main-nav .has-dropdown:focus-within > .nav-trigger {
  background: var(--gris-tres-clair);
  color: var(--bleu-confiance);
}

/* Dropdowns du menu principal (CSS pur, hover desktop, à plat sur mobile) */
.main-nav .has-dropdown { position: relative; }
.main-nav .has-dropdown > .nav-trigger {
  cursor: default;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.main-nav .has-dropdown > .nav-trigger::after {
  content: '';
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 0.35rem;
  transition: transform 0.15s;
}
.main-nav .has-dropdown:hover > .nav-trigger::after,
.main-nav .has-dropdown:focus-within > .nav-trigger::after {
  transform: rotate(180deg);
}
.main-nav .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--blanc-casse);
  border: 1px solid var(--gris-clair);
  border-top: 3px solid var(--soleil-or);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  padding: 0.5rem;
  min-width: 240px;
  display: none;
  z-index: 110;
  flex-direction: column;
  gap: 0;
}
.main-nav .has-dropdown:hover .dropdown,
.main-nav .has-dropdown:focus-within .dropdown {
  display: flex;
}
.main-nav .dropdown a {
  display: block;
  padding: 0.65rem 0.9rem;
  text-decoration: none;
  color: var(--gris-texte);
  font-weight: 500;
  border-radius: 6px;
  white-space: nowrap;
}
.main-nav .dropdown a:hover,
.main-nav .dropdown a:focus-visible {
  background: rgba(245, 184, 0, 0.15);
  color: var(--bleu-confiance);
}
/* Pont invisible pour éviter que le hover ne se "perde" entre le trigger et la liste */
.main-nav .has-dropdown::before {
  content: '';
  position: absolute;
  top: 100%; left: 0; right: 0;
  height: 0.6rem;
}

@media (max-width: 800px) {
  .main-nav .has-dropdown > .nav-trigger::after { content: none; }
  .main-nav .has-dropdown::before { display: none; }
  .main-nav .has-dropdown > .nav-trigger {
    color: var(--gris-doux);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-top: 1rem;
    padding-bottom: 0.25rem;
    cursor: default;
  }
  .main-nav .dropdown {
    position: static;
    display: flex;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: 0;
    border-radius: 0;
  }
  .main-nav .dropdown a {
    padding: 0.7rem 1rem;
    color: var(--gris-texte);
  }
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  color: var(--bleu-confiance);
}

.nav-toggle:hover { background: var(--gris-tres-clair); }

/* Barre de progression de lecture */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--soleil-or);
  z-index: 200;
  transition: width 0.1s linear;
}

/* ---------- 6. Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-corps);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 28px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: transform 0.1s, background 0.15s, box-shadow 0.15s;
  min-height: 56px;
  cursor: pointer;
}

.btn--primary {
  background: var(--soleil-or);
  color: var(--bleu-confiance);
}
.btn--primary:hover {
  background: var(--soleil-or-dark);
  color: var(--bleu-confiance);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card-hover);
}

.btn--outline {
  background: transparent;
  color: var(--bleu-confiance);
  border: 2px solid var(--bleu-confiance);
}
.btn--outline:hover {
  background: var(--bleu-confiance);
  color: var(--blanc-casse);
}

.btn--ghost {
  background: var(--gris-tres-clair);
  color: var(--bleu-confiance);
}
.btn--ghost:hover {
  background: var(--gris-clair);
}

.btn--block { width: 100%; }

/* ---------- 7. Cards ---------- */
.card {
  background: white;
  border-radius: var(--radius-card);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card--clickable {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card--clickable:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  color: inherit;
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gris-tres-clair);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--bleu-confiance);
}

.card__icon--or { background: rgba(245, 184, 0, 0.15); color: var(--soleil-or-dark); }
.card__icon--orange { background: rgba(230, 126, 34, 0.15); color: var(--orange-alerte); }
.card__icon--vert { background: rgba(45, 139, 90, 0.15); color: var(--vert-valide); }
.card__icon--rouge { background: rgba(192, 57, 43, 0.15); color: var(--rouge-piege); }

.card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.card p {
  color: var(--gris-doux);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------- 8. Hero ---------- */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, var(--blanc-casse) 0%, var(--gris-tres-clair) 100%);
  text-align: center;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.35rem;
  color: var(--gris-doux);
  max-width: 32em;
  margin: 0 auto 2.5rem;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Bandeau de réassurance */
.reassurance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--gris-clair);
  border-bottom: 1px solid var(--gris-clair);
}

.reassurance__number {
  font-family: var(--font-titre);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--soleil-or-dark);
  line-height: 1;
  display: block;
}

.reassurance__label {
  color: var(--gris-doux);
  font-size: 0.95rem;
  margin-top: 0.5rem;
  display: block;
}

/* ---------- 9. Triangle de la vérité ---------- */
.triangle-section {
  text-align: center;
}

.triangle-svg {
  max-width: 500px;
  margin: 2rem auto;
}

/* ---------- 10. Pieges (cards rouges) ---------- */
.piege-card {
  background: white;
  border-left: 4px solid var(--rouge-piege);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.piege-card__claim {
  font-weight: 700;
  color: var(--rouge-piege);
  margin-bottom: 0.5rem;
}

.piege-card__claim::before {
  content: '« ';
}
.piege-card__claim::after {
  content: ' »';
}

.piege-card__reality {
  color: var(--gris-texte);
  font-size: 0.95rem;
}

.piege-card__reality strong {
  color: var(--bleu-confiance);
}

/* ---------- 11. Encadrés (info, alerte, succès) ---------- */
.callout {
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.callout svg { flex-shrink: 0; margin-top: 2px; }

.callout--info {
  background: rgba(27, 58, 92, 0.05);
  border-color: var(--bleu-confiance);
  color: var(--bleu-confiance);
}

.callout--warning {
  background: rgba(230, 126, 34, 0.08);
  border-color: var(--orange-alerte);
  color: #8a4a13;
}

.callout--success {
  background: rgba(45, 139, 90, 0.08);
  border-color: var(--vert-valide);
  color: #1b5536;
}

.callout--danger {
  background: rgba(192, 57, 43, 0.08);
  border-color: var(--rouge-piege);
  color: #7a241a;
}

.callout p { margin-bottom: 0; max-width: none; }
.callout strong { font-weight: 700; }

/* ---------- 12. Footer ---------- */
.site-footer {
  background: var(--bleu-confiance);
  color: var(--blanc-casse);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.site-footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.site-footer h4 {
  color: var(--soleil-or);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.site-footer a {
  color: var(--blanc-casse);
  text-decoration: none;
  display: block;
  padding: 0.3rem 0;
  opacity: 0.85;
}

.site-footer a:hover {
  opacity: 1;
  color: var(--soleil-or);
}

.site-footer__legal {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(250, 250, 247, 0.2);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  opacity: 0.7;
  text-align: center;
}

/* ---------- 13. Calculateur ---------- */
.calc-progress {
  height: 8px;
  background: var(--gris-clair);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.calc-progress__bar {
  height: 100%;
  background: var(--soleil-or);
  transition: width 0.3s ease;
}

.calc-step {
  display: none;
  animation: fadeIn 0.3s ease;
}
.calc-step.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc-question {
  font-family: var(--font-titre);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--bleu-confiance);
  text-align: center;
  margin-bottom: 0.5rem;
}

.calc-step__hint {
  text-align: center;
  color: var(--gris-doux);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.calc-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.calc-option {
  background: white;
  border: 2px solid var(--gris-clair);
  border-radius: var(--radius-card);
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 1.05rem;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-corps);
  font-weight: 600;
  color: var(--gris-texte);
}

.calc-option:hover {
  border-color: var(--soleil-or);
  background: rgba(245, 184, 0, 0.05);
}

.calc-option.selected {
  border-color: var(--soleil-or);
  background: rgba(245, 184, 0, 0.1);
  color: var(--bleu-confiance);
}

.calc-option svg {
  width: 48px;
  height: 48px;
  color: var(--bleu-confiance);
}

.calc-option__sub {
  font-size: 0.85rem;
  color: var(--gris-doux);
  font-weight: 400;
}

.warning-inline {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--orange-alerte);
  font-weight: 500;
}

.calc-input {
  font-family: var(--font-corps);
  font-size: 1.5rem;
  padding: 1rem;
  border: 2px solid var(--gris-clair);
  border-radius: var(--radius-btn);
  width: 100%;
  max-width: 320px;
  text-align: center;
  margin: 0 auto;
  display: block;
}

.calc-input:focus {
  outline: 3px solid var(--soleil-or);
  outline-offset: 2px;
  border-color: var(--soleil-or);
}

.calc-controls {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 2.5rem;
}

.calc-why {
  text-align: center;
  margin: 1rem 0 2rem;
}

.calc-why__btn {
  color: var(--bleu-confiance);
  font-size: 0.95rem;
  text-decoration: underline;
  background: none;
  font-family: inherit;
}

.calc-why__content {
  display: none;
  background: var(--gris-tres-clair);
  border-radius: var(--radius-card);
  padding: 1rem 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.calc-why__content.open { display: block; }

/* Slider personnalisé */
.calc-slider-wrap {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.calc-slider {
  width: 100%;
  margin: 1rem 0;
  accent-color: var(--soleil-or);
}

.calc-slider-value {
  font-family: var(--font-titre);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--bleu-confiance);
}

/* Résultats */
.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.result-card {
  background: white;
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  border-top: 4px solid var(--soleil-or);
}

.result-card--featured {
  background: linear-gradient(135deg, var(--bleu-confiance), var(--bleu-confiance-dark));
  color: white;
  border-top-color: var(--soleil-or);
  grid-column: 1 / -1;
}

.result-card--featured h3,
.result-card--featured .result-card__value {
  color: white;
}

.result-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  color: var(--soleil-or-dark);
}

.result-card--featured .result-card__icon {
  color: var(--soleil-or);
}

.result-card__label {
  color: var(--gris-doux);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.result-card--featured .result-card__label {
  color: rgba(255, 255, 255, 0.85);
}

.result-card__value {
  font-family: var(--font-titre);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--bleu-confiance);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.result-card__sub {
  font-size: 0.9rem;
  color: var(--gris-doux);
}

.result-card--featured .result-card__sub {
  color: rgba(255, 255, 255, 0.85);
}

.result-progress-track {
  height: 14px;
  background: var(--gris-clair);
  border-radius: 7px;
  overflow: hidden;
  margin: 1rem 0 0.5rem;
}
.result-progress-fill {
  height: 100%;
  background: var(--vert-valide);
  border-radius: 7px;
  transition: width 0.6s ease;
}

/* Avertissements résultats */
.result-disclaimers {
  background: var(--gris-tres-clair);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.result-disclaimers h4 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.result-disclaimers h4:first-child { margin-top: 0; }

.result-disclaimers ul {
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.result-disclaimers li {
  margin-bottom: 0.25rem;
  color: var(--gris-doux);
}

/* ---------- 14. Tableau comparatif ---------- */
.comparatif {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
  background: white;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparatif th,
.comparatif td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gris-clair);
}

.comparatif th {
  background: var(--bleu-confiance);
  color: white;
  font-family: var(--font-titre);
  font-weight: 700;
}

.comparatif tr:last-child td {
  border-bottom: none;
}

.comparatif tr:hover td {
  background: var(--gris-tres-clair);
}

/* ---------- 15. Accordéon (FAQ) ---------- */
.accordion-item {
  background: white;
  border-radius: var(--radius-card);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-titre);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bleu-confiance);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: white;
  font-family: var(--font-corps);
  font-weight: 600;
}

.accordion-header:hover {
  background: var(--gris-tres-clair);
}

.accordion-header__icon {
  flex-shrink: 0;
  transition: transform 0.2s;
  color: var(--soleil-or-dark);
}

.accordion-item.open .accordion-header__icon {
  transform: rotate(45deg);
}

.accordion-body {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.open .accordion-body {
  padding: 0 1.5rem 1.5rem;
  max-height: 800px;
}

/* ---------- 16. Page de contenu (article) ---------- */
.page-header {
  background: var(--gris-tres-clair);
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--gris-clair);
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--gris-doux);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--gris-doux);
}

.article-content {
  padding: 3rem 0;
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
  max-width: 70ch;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.toc {
  background: var(--gris-tres-clair);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-left: 4px solid var(--soleil-or);
}

.toc h2 {
  font-size: 1.1rem;
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin-bottom: 0.4rem;
}

.toc a {
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

/* Stub */
.stub {
  background: var(--gris-tres-clair);
  border: 2px dashed var(--gris-clair);
  border-radius: var(--radius-card);
  padding: 2rem;
  text-align: center;
  color: var(--gris-doux);
  margin: 1.5rem 0;
}

.stub strong { color: var(--bleu-confiance); }

/* Glossaire */
.glossary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2.5rem;
  padding: 1rem;
  background: var(--gris-tres-clair);
  border-radius: var(--radius-card);
  justify-content: center;
}

.glossary-nav a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: var(--bleu-confiance);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 700;
}

.glossary-nav a:hover {
  background: var(--soleil-or);
}

.glossary-entry {
  background: white;
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
}

.glossary-entry dt {
  font-weight: 700;
  color: var(--bleu-confiance);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.glossary-entry dd {
  color: var(--gris-doux);
}

/* ---------- 17. Focus accessibilité ---------- */
:focus-visible {
  outline: 3px solid var(--soleil-or);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 18. Préfère reduce-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 19. Responsive ---------- */
@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanc-casse);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--gris-clair);
    box-shadow: var(--shadow-card);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.9rem 1rem; }

  .hero { padding: 3rem 0; }
  .section { padding: 2.5rem 0; }
  .brand__tagline { display: none; }

  .calc-controls { flex-direction: column-reverse; }
  .calc-controls .btn { width: 100%; }

  .site-footer { padding: 2rem 0 1rem; }
}

@media (max-width: 480px) {
  body { font-size: 17px; }
  .container { padding: 0 1rem; }
}

/* ---------- 20. Print (résultats calculateur) ---------- */
@media print {
  .site-header, .site-footer, .calc-controls, .read-progress { display: none !important; }
  body { font-size: 12pt; background: white; }
  .result-card { box-shadow: none; border: 1px solid #ccc; }
}