:root {
  --bg: #f7faf8;
  --surface: #fff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #dbe4df;
  --soft: #eef7f1;
  --accent: #059669;
  --accent-dark: #047857;
  --accent-ink: #052e16;
  --warning: #fff7ed;
  --warning-line: #fed7aa;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(5, 150, 105, .28);
  outline-offset: 3px;
}
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo { width: 50px; height: 50px; display: block; border-radius: 14px; box-shadow: 0 12px 24px rgba(15, 23, 42, .12); }
nav { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: nowrap; min-width: 0; }
nav a {
  color: var(--muted);
  padding: 8px 11px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 750;
  white-space: nowrap;
}
nav a:hover, nav a[aria-current="page"] { background: var(--soft); color: var(--accent-dark); }
.mobile-menu { display: none; position: relative; margin-left: auto; }
.mobile-menu summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
}
.mobile-menu[open] summary::after {
  transform: rotate(225deg);
  margin-top: 4px;
}
.mobile-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  z-index: 30;
  display: grid;
  gap: 4px;
  width: min(292px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .14);
}
.mobile-menu-panel a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 800;
}
.mobile-menu-panel a:hover,
.mobile-menu-panel a[aria-current="page"] {
  background: var(--soft);
  color: var(--accent-dark);
}
.mobile-menu-panel .mobile-menu-cta {
  justify-content: center;
  margin-top: 4px;
  background: var(--accent);
  color: #fff;
}
.mobile-menu-panel .mobile-menu-cta:hover {
  background: var(--accent-dark);
  color: #fff;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(5, 150, 105, .18);
}
.button:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button.secondary { background: #fff; color: var(--accent-dark); border-color: var(--line); box-shadow: none; }
.button.secondary:hover { background: var(--soft); }
.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
  border-radius: 8px;
  z-index: 50;
}
.skip-link:focus { top: 16px; }
.hero {
  padding: 78px 0 64px;
  background:
    linear-gradient(135deg, rgba(209, 250, 229, .74), rgba(255, 255, 255, .82) 52%, rgba(232, 245, 233, .9)),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 36px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-weight: 850;
  font-size: .9rem;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.12; margin: 0; }
h1 { max-width: 860px; font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: 0; margin-top: 14px; }
.lead { max-width: 720px; color: #334155; font-size: clamp(1.04rem, 2vw, 1.22rem); margin: 18px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-panel, .guide-panel, .newsletter {
  background: rgba(255, 255, 255, .86);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.hero-panel { padding: 24px; box-shadow: 0 24px 60px rgba(15, 23, 42, .10); }
.panel-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.panel-icon {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
}
.steps { display: grid; gap: 11px; margin: 18px 0 0; }
.step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  color: #334155;
}
.step span:first-child {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--soft);
  color: var(--accent-dark);
  font-weight: 900;
  font-size: .8rem;
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 24px; }
.stat { border: 1px solid var(--line); background: rgba(255, 255, 255, .76); border-radius: 8px; padding: 14px; }
.stat strong { display: block; font-size: 1.45rem; line-height: 1; }
.stat span { color: var(--muted); font-size: .88rem; }
.section { padding: 68px 0; }
.section.alt { background: #fff; border-block: 1px solid var(--line); }
.section-top { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 26px; }
.section-top h2, .article-content h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
.section-copy { color: var(--muted); max-width: 720px; margin: 10px 0 0; }
.editorial-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, .45fr);
  gap: 22px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.editorial-band h2 { font-size: clamp(1.45rem, 2.5vw, 2rem); margin-top: 8px; }
.editorial-band p { color: #334155; margin: 10px 0 0; }
.editorial-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.editorial-points li {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: #334155;
  font-weight: 750;
}
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 16px; }
.guide-card, .method-card, .related-card, .faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.guide-card, .method-card, .related-card { padding: 20px; }
.guide-card { display: flex; flex-direction: column; gap: 12px; min-height: 100%; }
.guide-card h3, .method-card h3, .related-card h3 { font-size: 1.15rem; }
.guide-card p, .method-card p, .related-card p { color: var(--muted); margin: 0; }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; color: var(--accent-dark); font-size: .84rem; font-weight: 850; }
.read-link { color: var(--accent-dark); font-weight: 850; margin-top: auto; }
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.method-card dl { display: grid; gap: 8px; margin: 16px 0 0; }
.method-card div { display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); padding-top: 8px; }
.method-card dt { color: var(--muted); }
.method-card dd { margin: 0; font-weight: 850; }
.download-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 26px;
  border: 2px solid rgba(5, 150, 105, .28);
  border-radius: 8px;
  background: #f0fdf4;
}
.download-band strong { display: block; font-size: 1.35rem; }
.download-band span { color: #335247; }
.newsletter {
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff, #f0fdf4);
  overflow: hidden;
}
.newsletter h2 { margin-top: 8px; font-size: clamp(1.55rem, 3vw, 2rem); }
.newsletter-intro { color: #334155; margin: 12px 0 0; max-width: 620px; }
.newsletter-list {
  display: grid;
  gap: 9px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.newsletter-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
  color: #334155;
}
.newsletter-list span {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: .78rem;
  font-weight: 900;
}
.newsletter-form-panel {
  width: 100%;
  display: grid;
  gap: 10px;
  justify-items: stretch;
}
.newsletter-form-title {
  margin: 0;
  color: var(--ink);
  font-weight: 850;
}
.newsletter label:not(.sr-only) {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 750;
}
.newsletter form {
  display: grid;
  gap: 10px;
  width: 100%;
  max-width: 360px;
}
.newsletter input:not(.sr-only) {
  min-height: 46px;
  width: 100%;
  max-width: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 13px;
  background: #fff;
}
.newsletter input.sr-only { width: 1px; max-width: 1px; min-height: 1px; padding: 0; border: 0; }
.newsletter .button { width: 100%; max-width: 360px; }
.newsletter input:not(.sr-only):focus { outline: 3px solid rgba(5, 150, 105, .2); border-color: var(--accent); }
.privacy-note a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.privacy-note, .success { margin: 0; color: var(--muted); font-size: .92rem; }
.success { color: var(--accent-dark); font-weight: 800; }
.success.is-error { color: #b91c1c; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.article-hero { padding: 58px 0 42px; border-bottom: 1px solid var(--line); background: #fff; }
.article-hero h1 { font-size: clamp(2rem, 4vw, 3.35rem); max-width: 920px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 42px; align-items: start; }
.article-content { padding: 50px 0 70px; }
.article-content p, .article-content li { color: #334155; }
.article-content section { padding: 26px 0; border-bottom: 1px solid var(--line); }
.article-content ul { padding-left: 20px; }
.toc {
  position: sticky;
  top: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
}
.toc strong { display: block; margin-bottom: 8px; }
.toc a { display: block; color: var(--muted); padding: 7px 0; font-size: .94rem; }
.toc a:hover { color: var(--accent-dark); }
.note {
  margin: 28px 0;
  padding: 16px;
  border-radius: 8px;
  background: var(--warning);
  border: 1px solid var(--warning-line);
  color: #7c2d12;
}
.steps-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.steps-list span { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--soft); color: var(--accent-dark); font-weight: 900; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 18px; }
.faq-item h3 { font-size: 1rem; margin-bottom: 6px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.source-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 20px;
}
.article-content .source-box {
  padding: 20px;
}
.source-box h2 { margin-bottom: 8px; }
.source-box p { margin-top: 0; }
.source-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.source-list li {
  margin: 0;
}
.source-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #c8ddd5;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fffc 100%);
  box-shadow: 0 8px 20px rgba(15, 23, 42, .04);
  color: var(--accent-dark);
  font-weight: 900;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease;
}
.source-list a::after {
  content: "Source officielle";
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: .72rem;
  font-weight: 900;
  white-space: nowrap;
}
.source-list a:hover {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 14px 28px rgba(15, 118, 110, .12);
  transform: translateY(-1px);
}
.source-list a:focus-visible,
.legal-card a:focus-visible,
.contact-card a:focus-visible,
.contact-side a:focus-visible,
.article-content p a:focus-visible,
.article-content li a:focus-visible {
  outline: 3px solid rgba(5, 150, 105, .24);
  outline-offset: 3px;
}
.legal-card a,
.contact-card a,
.contact-side a,
.article-content p a,
.article-content li a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal-card a:hover,
.contact-card a:hover,
.contact-side a:hover,
.article-content p a:hover,
.article-content li a:hover {
  color: var(--accent);
  text-decoration-thickness: 2px;
}
.article-content .source-list a {
  color: var(--accent-dark);
  text-decoration: none;
}
.legal-card {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 0 70px;
}
.legal-card h1 { font-size: clamp(2rem, 4vw, 3rem); }
.legal-card h2 { font-size: 1.35rem; margin-top: 34px; }
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 24px;
  align-items: start;
}
.contact-card,
.contact-side {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.contact-card {
  padding: 28px;
}
.contact-card h2,
.contact-side h2 {
  font-size: clamp(1.55rem, 3vw, 2rem);
  margin-top: 8px;
}
.contact-card p,
.contact-side p,
.contact-side li {
  color: #334155;
}
.contact-form {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.contact-form label:not(.sr-only) {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 750;
}
.contact-form input:not(.sr-only),
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 13px;
}
.contact-form input:not(.sr-only),
.contact-form select {
  min-height: 46px;
}
.contact-form textarea {
  min-height: 170px;
  padding-top: 12px;
  resize: vertical;
}
.contact-form input:not(.sr-only):focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(5, 150, 105, .2);
  border-color: var(--accent);
}
.contact-form .button {
  width: min(100%, 260px);
}
.contact-side {
  display: grid;
  gap: 18px;
  padding: 24px;
  position: sticky;
  top: 92px;
}
.contact-meta {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.contact-meta ul {
  margin: 10px 0 0;
  padding-left: 20px;
}
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
table { border-collapse: collapse; min-width: 760px; width: 100%; }
th, td { text-align: left; padding: 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); }
.site-footer { border-top: 1px solid var(--line); background: #fff; padding: 24px 0; color: var(--muted); }
.footer-disclaimer {
  max-width: 860px;
  margin: 0 auto 14px;
  text-align: center;
  color: #334155;
  font-size: .94rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.footer-links a { color: var(--ink); font-weight: 750; }
@media (max-width: 960px) {
  .hero-grid, .article-layout, .contact-layout { grid-template-columns: 1fr; }
  .editorial-band { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc { position: static; order: -1; }
  .contact-side { position: static; }
  .newsletter { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .header-inner { gap: 12px; padding: 11px 0; }
  nav { display: none; }
  .mobile-menu { display: block; }
  .header-inner > .button { display: none; }
  .hero { padding-top: 48px; }
  h1 { font-size: clamp(2.1rem, 11vw, 3.2rem); }
  .stats, .cards-grid, .method-grid, .related-grid, .download-band { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .section-top, .download-band { align-items: stretch; }
  .newsletter { padding: 22px; }
  .newsletter form, .newsletter input:not(.sr-only), .newsletter .button { width: 100%; max-width: 360px; }
  .source-list a {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.affiliate-box {
  margin: 28px 0;
  padding: 22px;
  border: 1px solid #b9d9cf;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
}
.affiliate-box h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); margin-top: 8px; }
.affiliate-box p { max-width: 760px; }
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.tool-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.tool-card h3 { font-size: 1.08rem; }
.tool-card p { margin: 0; color: #334155; }
.tool-tag {
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: .76rem;
  font-weight: 900;
}
.tool-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 38px;
  margin-top: 4px;
  padding: 8px 12px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 850;
  text-decoration: none;
}
.tool-link:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}
@media (max-width: 700px) {
  .affiliate-box { padding: 18px; }
  .tool-grid { grid-template-columns: 1fr; }
}