:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --bg-soft: #fafafa;
  --surface: #ffffff;
  --surface-2: #f2f2f2;
  --surface-3: #e8e8ed;
  --text: #1d1d1f;
  --text-2: #2d2d2f;
  --muted: #6e6e73;
  --muted-2: #86868b;
  --border: #d8d8de;
  --border-strong: #bdbdc4;
  --strong: #000000;
  --accent: #000000;
  --accent-2: #f5f5f7;
  --ok: #0b5f2a;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 24px 70px rgba(0,0,0,.08);
  --shadow-soft: 0 12px 34px rgba(0,0,0,.055);
  --container: 1360px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -12%, rgba(0,0,0,.10), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 18rem, var(--bg) 100%);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
a:hover { color: var(--strong); }
::selection { background: #000; color: #fff; }

.skip {
  position: absolute; left: -999px; top: .75rem; padding: .7rem .9rem;
  background: var(--surface); border: 1px solid var(--border); z-index: 1000;
  border-radius: 999px; box-shadow: var(--shadow-soft);
}
.skip:focus { left: .75rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center; gap: 1rem;
  padding: .85rem clamp(1rem, 4vw, 3rem);
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  font-weight: 750; font-size: 1.02rem; letter-spacing: -.02em; text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  width: 2.25rem; height: 2.25rem; border-radius: 13px;
  display: grid; place-items: center;
  background: #000; color: #fff; font-weight: 800; font-size: 1.05rem;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 12px 24px rgba(0,0,0,.14);
}
.main-nav { display: flex; gap: .18rem; justify-content: center; flex-wrap: wrap; }
.main-nav a {
  text-decoration: none; padding: .55rem .78rem; border-radius: 999px;
  font-size: .94rem; color: var(--muted); font-weight: 560;
  transition: background .18s ease, color .18s ease;
}
.main-nav a:hover { background: rgba(0,0,0,.06); color: var(--text); }

.header-search { display: flex; gap: .45rem; align-items: center; }
.header-search input, .search-input {
  border: 1px solid rgba(0,0,0,.12); background: rgba(255,255,255,.92); color: var(--text);
  border-radius: 999px; padding: .72rem 1rem; min-width: min(22rem, 48vw); font: inherit;
  outline: none; transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.header-search input:focus, .search-input:focus {
  border-color: #000; box-shadow: 0 0 0 4px rgba(0,0,0,.08); background: #fff;
}
.header-search button, .button, .copy-btn {
  border: 0; border-radius: 999px; background: var(--strong); color: #fff;
  padding: .72rem 1rem; font-weight: 720; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
}
.header-search button:hover, .button:hover { transform: translateY(-1px); background: #2b2b2f; color: #fff; }
.copy-btn {
  padding: .34rem .55rem; font-size: .76rem; background: #fff; color: var(--text);
  border: 1px solid rgba(0,0,0,.14); box-shadow: none; font-weight: 680;
}
.copy-btn:hover { background: #000; color: #fff; transform: none; }

main { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; padding: 1.15rem 0 4.5rem; }
.breadcrumbs {
  display: flex; flex-wrap: wrap; gap: .45rem; color: var(--muted); font-size: .9rem;
  margin: .7rem 0 1.2rem;
}
.breadcrumbs a { text-decoration: none; color: var(--muted); }
.breadcrumbs a:hover { color: var(--text); }
.sep { color: var(--border-strong); }

.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 1rem; align-items: stretch; margin-top: 1rem; }
.hero-panel, .panel, .source-box, .toc {
  background: rgba(255,255,255,.92); border: 1px solid rgba(0,0,0,.10); border-radius: var(--radius);
  box-shadow: var(--shadow-soft); padding: clamp(1.25rem, 3vw, 2.15rem);
}
.hero > .hero-panel, main > .hero-panel:first-of-type {
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,.26), transparent 15rem),
    linear-gradient(145deg, #050505 0%, #151517 50%, #000 100%);
  border-color: rgba(255,255,255,.12); color: #fff; box-shadow: 0 30px 90px rgba(0,0,0,.22);
}
.hero > .hero-panel .lead, main > .hero-panel:first-of-type .lead { color: rgba(255,255,255,.74); }
.hero > .hero-panel .eyebrow, main > .hero-panel:first-of-type .eyebrow { color: rgba(255,255,255,.68); }
.hero > .hero-panel .pill { background: rgba(255,255,255,.10); color: rgba(255,255,255,.82); border-color: rgba(255,255,255,.16); }
.hero > .hero-panel .pill:hover { background: #fff; color: #000; }
.hero > .hero-panel .button { background: #fff; color: #000; box-shadow: none; }
.hero > .hero-panel .button:hover { background: #f2f2f2; color: #000; }
.hero > .hero-panel .search-input { background: #fff; border-color: rgba(255,255,255,.35); color: #000; }

h1, h2, h3 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, "Segoe UI", sans-serif; }
h1 { font-size: clamp(2.45rem, 5vw, 5.4rem); line-height: .94; margin: .2rem 0 1.05rem; letter-spacing: -.065em; font-weight: 820; }
h2 { font-size: clamp(1.55rem, 2.5vw, 2.5rem); line-height: 1.06; margin: 2.45rem 0 .9rem; letter-spacing: -.045em; font-weight: 780; }
h3 { margin: 1.45rem 0 .5rem; letter-spacing: -.025em; }
.lead { font-size: clamp(1.08rem, 1.7vw, 1.34rem); color: var(--muted); max-width: 72ch; }
.eyebrow { color: var(--muted); text-transform: uppercase; font-weight: 760; font-size: .76rem; letter-spacing: .15em; }

.hero-search { display: flex; gap: .65rem; flex-wrap: wrap; margin: 1.35rem 0 1rem; }
.hero-search .search-input { flex: 1 1 23rem; min-width: min(100%, 20rem); border-radius: 18px; padding: 1.02rem 1.1rem; }
.quick-filters { display: flex; flex-wrap: wrap; gap: .48rem; }
.pill, .tag {
  display: inline-flex; align-items: center; gap: .25rem;
  background: #fff; color: var(--muted); border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px; padding: .39rem .66rem; font-size: .85rem; text-decoration: none; font-weight: 620;
}
.pill:hover { background: #000; color: #fff; border-color: #000; }
.hero-stat { display: grid; gap: .82rem; }
.stat {
  position: relative; overflow: hidden; border: 1px solid rgba(0,0,0,.10); background: rgba(255,255,255,.88);
  border-radius: 22px; padding: 1.1rem; box-shadow: var(--shadow-soft);
}
.stat::after { content: ""; position: absolute; inset: auto -20% -55% 35%; height: 7rem; border-radius: 999px; background: rgba(0,0,0,.045); transform: rotate(-12deg); }
.stat strong { display: block; font-size: 2rem; line-height: 1; letter-spacing: -.06em; font-weight: 830; }
.stat span { position: relative; color: var(--muted); font-weight: 560; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .92rem; margin: 1rem 0 1.55rem; }
.card {
  position: relative; background: rgba(255,255,255,.94); border: 1px solid rgba(0,0,0,.10); border-radius: 22px;
  padding: 1.05rem; min-height: 8.25rem; text-decoration: none; box-shadow: 0 10px 28px rgba(0,0,0,.045);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(0,0,0,.22); color: var(--text); background: #fff; }
.card strong { display: block; margin: .6rem 0 .28rem; font-size: 1.12rem; letter-spacing: -.025em; }
.card span:last-child { color: var(--muted); font-size: .94rem; }

.link-list { columns: 2; gap: 2rem; padding-left: 1.1rem; }
.link-list li { break-inside: avoid; margin: .42rem 0; }
.link-list span { display: block; color: var(--muted); font-size: .9rem; }

.table-wrap {
  overflow-x: auto; background: rgba(255,255,255,.94); border: 1px solid rgba(0,0,0,.10);
  border-radius: var(--radius); margin: 1rem 0 1.55rem; box-shadow: 0 12px 34px rgba(0,0,0,.045);
}
table { width: 100%; border-collapse: separate; border-spacing: 0; }
caption { text-align: left; padding: 1rem 1.05rem; color: var(--muted); font-weight: 720; }
th, td { padding: .96rem 1.05rem; border-top: 1px solid rgba(0,0,0,.08); vertical-align: top; text-align: left; }
thead th { background: #f5f5f7; border-top: 0; font-size: .86rem; color: var(--muted); font-weight: 760; }
tbody th { font-weight: 750; }
tbody tr:hover td, tbody tr:hover th { background: rgba(0,0,0,.018); }
.keys {
  display: inline-flex; align-items: center; white-space: nowrap; background: #fff; border: 1px solid #c9c9ce; border-bottom-width: 2px;
  border-radius: 10px; padding: .24rem .5rem; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92rem; color: #000; box-shadow: 0 1px 0 rgba(0,0,0,.04);
}
.muted { color: var(--muted); }
.small { font-size: .9rem; color: var(--muted); }

.answer-box {
  background: #fff; border: 1px solid rgba(0,0,0,.12); border-left: 6px solid #000;
  border-radius: var(--radius); padding: 1.2rem 1.35rem; margin: 1rem 0 1.45rem; box-shadow: var(--shadow-soft);
}
.answer-box strong { color: #000; }
.notice { border-left: 5px solid #000; background: #fff; border-radius: 16px; padding: 1rem 1.05rem; margin: 1rem 0; box-shadow: 0 10px 28px rgba(0,0,0,.04); }
.source-box { background: #111; color: #fff; border-color: #111; }
.source-box a { color: #fff; }
.source-box .small, .source-box p { color: rgba(255,255,255,.72); }

.symbol-box { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: center; }
.big-symbol {
  width: 7.5rem; height: 7.5rem; display: grid; place-items: center; border-radius: 26px;
  background: #000; color: #fff; font-size: 3.35rem; font-weight: 850; font-family: ui-serif, Georgia, serif;
  box-shadow: 0 24px 50px rgba(0,0,0,.18);
}
.tabs-note { color: var(--muted); font-size: .92rem; }
.search-results { display: grid; gap: .72rem; margin-top: 1rem; }
.search-result { background: #fff; border: 1px solid rgba(0,0,0,.12); border-radius: 18px; padding: 1rem; text-decoration: none; box-shadow: 0 8px 22px rgba(0,0,0,.045); }
.search-result strong { display: block; }
.search-result span { color: var(--muted); font-size: .92rem; }

.site-footer { border-top: 1px solid rgba(0,0,0,.08); background: #000; color: #fff; padding: 2.35rem clamp(1rem, 4vw, 3rem); }
.footer-inner { width: min(var(--container), 100%); margin: 0 auto; display: grid; grid-template-columns: 1.25fr 1fr; gap: 2rem; }
.site-footer .small { color: rgba(255,255,255,.62); }
.footer-links { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: flex-end; }
.footer-links a { color: rgba(255,255,255,.72); text-decoration: none; }
.footer-links a:hover { color: #fff; }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr; align-items: stretch; }
  .main-nav { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: .2rem; }
  .header-search input { min-width: 0; flex: 1; }
  .hero { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 640px) {
  main { width: min(100% - 1rem, var(--container)); }
  h1 { font-size: clamp(2.35rem, 12vw, 3.4rem); }
  .card-grid { grid-template-columns: 1fr; }
  .link-list { columns: 1; }
  th, td { padding: .78rem; }
  .symbol-box { grid-template-columns: 1fr; }
  .big-symbol { width: 100%; height: 8rem; }
  .header-search button { padding-inline: .9rem; }
}


/* V3 - Référence premium noir/blanc */
:root {
  --container: 1360px;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 30px 90px rgba(0,0,0,.10);
  --shadow-soft: 0 18px 45px rgba(0,0,0,.065);
}
body {
  background:
    radial-gradient(circle at 50% -18%, rgba(0,0,0,.12), transparent 34rem),
    linear-gradient(180deg,#fff 0%,#f5f5f7 22rem,#f5f5f7 100%);
}
.site-header { padding: .95rem clamp(1.25rem, 4.5vw, 4rem); }
main { width: min(var(--container), calc(100% - 3rem)); padding-top: 1.85rem; }
main > section, main > .card-grid { margin-top: 2.2rem; margin-bottom: 2.2rem; }
main > section:first-child { margin-top: 0; }
section + section { margin-top: 2.8rem; }
.hero { gap: 1.35rem; margin-top: .5rem; margin-bottom: 3.25rem; align-items: stretch; }
.hero.hero-home { grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); }
.hero.hero-index { grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); }
.hero-panel, .panel, .source-box, .toc { padding: clamp(1.65rem, 3.5vw, 3.15rem); }
.hero > .hero-panel, main > .hero-panel:first-of-type {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero .hero-panel h1 { max-width: 11ch; }
.hero-index .hero-panel h1 { max-width: 13ch; }
.hero-panel .lead { max-width: 62ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.25rem; }
.hero-side { display: grid; gap: 1rem; min-width: 0; }
.hero-visual-card {
  position: relative; overflow: hidden; border-radius: var(--radius); margin: 0;
  background: #0a0a0a; border: 1px solid rgba(0,0,0,.12); min-height: 430px;
  box-shadow: var(--shadow); isolation: isolate;
}
.hero-visual-card img { width: 100%; height: 100%; min-height: 430px; object-fit: cover; display: block; filter: contrast(1.02) saturate(.92); }
.hero-visual-card figcaption {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem;
  color: rgba(255,255,255,.86); background: rgba(0,0,0,.50); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-radius: 18px;
  padding: .85rem 1rem; font-weight: 680; font-size: .96rem;
}
.stat-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .8rem; }
.hero-side .stat { min-height: 106px; display: flex; flex-direction: column; justify-content: center; }
.trust-row { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.15rem; }
.trust-row span { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.10); color: rgba(255,255,255,.82); border-radius: 999px; padding: .45rem .72rem; font-weight: 650; font-size: .88rem; }
.reference-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; margin: 1.25rem 0 3rem; }
.reference-strip .strip-item {
  background: rgba(255,255,255,.94); border: 1px solid rgba(0,0,0,.10); border-radius: 22px; padding: 1.05rem 1.1rem; box-shadow: 0 12px 34px rgba(0,0,0,.045);
}
.reference-strip strong { display: block; font-size: 1.04rem; letter-spacing: -.02em; margin-bottom: .25rem; }
.reference-strip span { color: var(--muted); font-size: .92rem; }
.card-grid { gap: 1.15rem; margin: 1.2rem 0 2.3rem; }
.card { min-height: 8.85rem; padding: 1.22rem; }
.panel { margin-top: 2rem; margin-bottom: 2.6rem; }
.table-wrap { margin: 1.15rem 0 2.2rem; }
.source-box { margin-top: 2.6rem; margin-bottom: 2.6rem; }
.breadcrumbs { margin: .15rem 0 1.35rem; }
.index-intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.1rem; align-items: stretch; }
.fiche-benefits .card { min-height: 7.2rem; }
.sources-verification ul { margin-bottom: 0; }
.sources-verification li { margin: .28rem 0; }
.home-proof h2 { margin-top: 0; }
.home-proof .card { min-height: 7.8rem; }
@media (max-width: 1100px) {
  .hero.hero-home, .hero.hero-index { grid-template-columns: 1fr; }
  .stat-grid, .reference-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .hero-visual-card, .hero-visual-card img { min-height: 320px; }
}
@media (max-width: 700px) {
  main { width: min(100% - 1.15rem, var(--container)); }
  .stat-grid, .reference-strip, .index-intro-grid { grid-template-columns: 1fr; }
  .hero > .hero-panel, main > .hero-panel:first-of-type { min-height: auto; }
  .hero-visual-card, .hero-visual-card img { min-height: 260px; }
  .site-header { padding-inline: 1rem; }
}

/* V3 final - petites finitions */
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:1rem; margin-bottom:.9rem; }
.section-heading h2, .section-heading p { margin:0; }
main > section[data-enhanced="fiches-list"] { margin-top: 2.8rem; }
@media (max-width:700px){ .section-heading{display:block;} }


/* V4 - correction design : vraie image hero, suppression des carrés/mockups parasites */
:root { --container: 1480px; --radius: 32px; }
body {
  background:
    radial-gradient(circle at 50% -12%, rgba(0,0,0,.10), transparent 36rem),
    linear-gradient(180deg,#fff 0%,#f4f4f6 26rem,#f4f4f6 100%);
}
main { width: min(var(--container), calc(100% - 3.6rem)); }
main > section { margin-top: 3.2rem; margin-bottom: 3.2rem; }
main > section:first-child { margin-top: 0; }
section + section { margin-top: 3.15rem; }
.card-grid { gap: 1.35rem; }
.panel, .table-wrap, .source-box, .toc { margin-top: 2.2rem; margin-bottom: 3rem; }
.hero-visual-card, .hero-side, .hub-hero-media { display: none !important; }

.home-ref-hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(610px, 50vw, 760px);
  border-radius: 44px;
  border: 1px solid rgba(0,0,0,.10);
  box-shadow: 0 42px 130px rgba(0,0,0,.15);
  background-image:
    linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.78) 32%, rgba(0,0,0,.25) 56%, rgba(0,0,0,.02) 76%),
    var(--hero-img);
  background-size: cover;
  background-position: center right;
  display: flex;
  align-items: center;
  padding: clamp(2.2rem, 5vw, 5.4rem);
  color: #fff;
}
.home-ref-copy { width: min(760px, 100%); position: relative; z-index: 1; }
.home-ref-copy h1 {
  color: #fff;
  max-width: 10.2ch;
  font-size: clamp(3.25rem, 7vw, 7.45rem);
  line-height: .88;
  letter-spacing: -.078em;
  margin: .25rem 0 1.2rem;
}
.home-ref-copy .eyebrow { color: rgba(255,255,255,.66); }
.home-ref-copy .lead { color: rgba(255,255,255,.80); max-width: 64ch; font-size: clamp(1.08rem, 1.55vw, 1.34rem); }
.home-ref-search { margin-top: 1.65rem; margin-bottom: 1rem; align-items: center; }
.home-ref-search .search-input {
  background: #fff;
  color: #000;
  border: 0;
  min-height: 56px;
  box-shadow: 0 16px 42px rgba(0,0,0,.22);
}
.button-light, .home-ref-copy .button {
  background: #fff !important;
  color: #000 !important;
  border-color: #fff !important;
  box-shadow: 0 16px 42px rgba(0,0,0,.22);
  min-height: 56px;
}
.button-light:hover, .home-ref-copy .button:hover { background: #f1f1f1 !important; color: #000 !important; }
.home-ref-copy .pill,
.hub-cover-hero .pill,
.hub-cover-hero .trust-row span {
  background: rgba(255,255,255,.12) !important;
  color: rgba(255,255,255,.88) !important;
  border-color: rgba(255,255,255,.20) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.home-ref-copy .pill:hover,
.hub-cover-hero .pill:hover { background: #fff !important; color: #000 !important; border-color: #fff !important; }
.home-ref-proof,
.home-ref-metrics { display: grid; gap: 1.25rem; }
.home-ref-proof { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 2.2rem !important; }
.home-ref-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.proof-card,
.home-ref-metrics > div {
  background: rgba(255,255,255,.95);
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 26px;
  padding: 1.25rem 1.3rem;
  box-shadow: 0 16px 44px rgba(0,0,0,.055);
}
.proof-card strong,
.home-ref-metrics strong { display: block; letter-spacing: -.03em; color: #000; }
.proof-card span,
.home-ref-metrics span,
.home-ref-metrics p { color: var(--muted); }
.home-ref-metrics strong { font-size: clamp(2rem, 3vw, 3.4rem); line-height: .9; }
.home-ref-metrics span { display: block; font-weight: 760; margin-top: .55rem; }
.home-ref-metrics p { margin: .4rem 0 0; }
.reference-panel { background: #fff; }
.mini-checks { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.mini-checks span {
  display: inline-flex; align-items: center; border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12); background: #f7f7f8;
  padding: .46rem .72rem; font-weight: 650; color: rgba(0,0,0,.72); font-size: .9rem;
}

.hub-cover-hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(470px, 40vw, 640px);
  border-radius: 44px;
  border: 1px solid rgba(0,0,0,.10);
  box-shadow: 0 38px 115px rgba(0,0,0,.14);
  background-image:
    linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.78) 34%, rgba(0,0,0,.30) 58%, rgba(0,0,0,.03) 76%),
    var(--hero-img);
  background-size: cover;
  background-position: center right;
  color: #fff;
  display: flex;
  align-items: center;
  padding: clamp(2.1rem, 5vw, 5rem);
  margin-bottom: 4rem !important;
}
.hub-cover-content {
  max-width: 780px;
  position: relative;
  z-index: 1;
  padding: 0 !important;
  min-height: 0 !important;
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  color: #fff !important;
}
.hub-cover-content h1 {
  color: #fff;
  max-width: 10.8ch;
  font-size: clamp(3rem, 6vw, 6.3rem);
  line-height: .92;
  letter-spacing: -.075em;
  margin-bottom: 1.05rem;
}
.hub-cover-content .lead { color: rgba(255,255,255,.80) !important; max-width: 62ch; }
.hub-cover-content .eyebrow { color: rgba(255,255,255,.66) !important; }
.hub-cover-content .hero-actions { margin-top: 1.25rem; }
.hub-cover-content .trust-row { margin-top: 1rem; }

@media (max-width: 1180px) {
  main { width: min(var(--container), calc(100% - 2.4rem)); }
  .home-ref-proof, .home-ref-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-ref-hero,
  .hub-cover-hero {
    background-image:
      linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.74) 48%, rgba(0,0,0,.18) 100%),
      var(--hero-img);
  }
}
@media (max-width: 760px) {
  main { width: min(100% - 1.15rem, var(--container)); padding-top: 1.25rem; }
  main > section { margin-top: 2.35rem; margin-bottom: 2.35rem; }
  section + section { margin-top: 2.6rem; }
  .home-ref-hero,
  .hub-cover-hero {
    min-height: auto;
    border-radius: 28px;
    padding: 1.55rem;
    background-image:
      linear-gradient(180deg, rgba(0,0,0,.90) 0%, rgba(0,0,0,.78) 58%, rgba(0,0,0,.28) 100%),
      var(--hero-img);
    background-position: center bottom;
  }
  .home-ref-copy h1,
  .hub-cover-content h1 { font-size: clamp(2.75rem, 13vw, 4.1rem); max-width: 11ch; }
  .home-ref-proof, .home-ref-metrics { grid-template-columns: 1fr; }
}


/* V5 - SEO/GEO polish, PDF buttons and richer hubs */
main > .hero-panel:first-of-type .button,
main > .hero-panel:first-of-type .download-button,
.hero-panel .download-button {
  background: #fff !important;
  color: #000 !important;
  border: 1px solid rgba(255,255,255,.82) !important;
  box-shadow: 0 18px 48px rgba(0,0,0,.25) !important;
  min-height: 56px;
  padding-inline: 1.35rem;
}
main > .hero-panel:first-of-type .button:hover,
.hero-panel .download-button:hover {
  background: #f2f2f2 !important;
  color: #000 !important;
  transform: translateY(-1px);
}
.pdf-open::after { content: " ↗"; font-weight: 760; }
.copy-btn::after { content: none; }
.hub-editorial,
.quick-start-panel,
.fiche-usage {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.92));
}
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}
.insight-grid > div {
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  border-radius: 22px;
  padding: 1.05rem 1.1rem;
  box-shadow: 0 12px 34px rgba(0,0,0,.045);
}
.insight-grid strong { display:block; letter-spacing:-.02em; margin-bottom:.35rem; }
.insight-grid span { color: var(--muted); font-size: .95rem; }
.compact-grid .card { min-height: 7.6rem; }
.fiche-benefits + .fiche-usage { margin-top: 2.1rem; }
@media (max-width: 900px) {
  .insight-grid { grid-template-columns: 1fr; }
}


/* V6 - SEO/GEO/E-E-A-T improvements */
.priority-panel,
.citation-panel,
.method-panel,
.correction-panel,
.backlink-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.94));
}
.priority-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.15rem 0 0;
}
.priority-link {
  display: flex;
  flex-direction: column;
  gap: .28rem;
  min-height: 7rem;
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  border-radius: 20px;
  padding: 1rem;
  text-decoration: none;
  box-shadow: 0 12px 34px rgba(0,0,0,.045);
}
.priority-link strong { letter-spacing: -.025em; }
.priority-link span { color: var(--muted); font-size: .92rem; }
.priority-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); color: var(--text); }
.decision-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.1rem;
}
.decision-grid > div {
  border-radius: 22px;
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  padding: 1.1rem;
  min-height: 8rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.045);
}
.decision-grid strong { display: block; margin-bottom: .35rem; letter-spacing: -.02em; }
.decision-grid span { color: var(--muted); font-size: .95rem; }
.citation-panel .mini-checks span,
.correction-panel .mini-checks span { background: #fff; }
.correction-panel .button { margin-top: .7rem; }
.source-mini-list { margin: .9rem 0 0; padding-left: 1.1rem; }
.source-mini-list li { margin: .3rem 0; }
.download-button { font-size: 1.02rem; }
@media (max-width: 1150px) { .priority-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } .decision-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .priority-list, .decision-grid { grid-template-columns: 1fr; } }


/* V6 - reference + PDF CTA */
.download-button.pdf-open,
a[href$=".pdf"].download-button {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 64px !important;
  padding: 1rem 1.55rem !important;
  border-radius: 999px !important;
  font-size: 1.02rem !important;
  font-weight: 820 !important;
  letter-spacing: -.015em;
  text-decoration: none;
}
.hero-panel .download-button.pdf-open,
main > .hero-panel:first-of-type .download-button.pdf-open {
  background: #fff !important;
  color: #000 !important;
  border: 2px solid #fff !important;
  box-shadow: 0 22px 56px rgba(0,0,0,.38) !important;
  width: fit-content;
  margin-top: .9rem;
}
.hero-panel .download-button.pdf-open:hover { background: #f5f5f7 !important; transform: translateY(-2px); }
.v6-reference-block { scroll-margin-top: 7rem; }
.v6-reference-block ul { margin: 1rem 0 0; }
.v6-reference-block li { margin: .45rem 0; }
.footer-links a[href="/methode-editoriale/"] { color: rgba(255,255,255,.86); }


/* V6 - editorial authority and cleanup */
.v6-reference { margin-top: 2.75rem; }
.v6-reference .check-list { margin: 1rem 0 0; padding-left: 1.2rem; }
.check-list li { margin: .45rem 0; color: var(--text-2); }
.site-footer .footer-links { gap: .95rem; }
.hero-panel .download-button,
main > .hero-panel:first-of-type .download-button {
  font-size: 1rem;
  min-width: min(100%, 320px);
  border: 2px solid #fff !important;
  letter-spacing: -.01em;
}
.source-box a[target="_blank"]::after,
.card[target="_blank"]::after { content: " ↗"; font-weight: 760; }
.panel .mini-checks { margin-top: 1rem; }
@media (max-width: 760px) {
  .site-footer .footer-links { justify-content: flex-start; }
  .hero-panel .download-button { width: 100%; }
}

/* V6 - authority, GEO, citation, priority pages */
.authority-panel, .citation-panel, .priority-panel, .editorial-method-panel, .backlink-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.99), rgba(255,255,255,.94));
  border: 1px solid rgba(0,0,0,.08);
}
.authority-panel h2, .citation-panel h2, .priority-panel h2 { max-width: 860px; }
.authority-checks, .pillar-grid, .quality-grid, .method-grid, .reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}
.authority-checks > div, .pillar-grid > a, .quality-grid > div, .method-grid > div, .reference-grid > a {
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 22px;
  background: #fff;
  padding: 1.05rem 1.1rem;
  box-shadow: 0 16px 42px rgba(0,0,0,.045);
  display: block;
  min-height: 7.25rem;
}
.authority-checks strong, .pillar-grid strong, .quality-grid strong, .method-grid strong, .reference-grid strong {
  display: block;
  letter-spacing: -.02em;
  margin-bottom: .35rem;
}
.authority-checks span, .pillar-grid span, .quality-grid span, .method-grid span, .reference-grid span { color: var(--muted); font-size: .95rem; }
.audit-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1rem;
}
.audit-strip .pill, .citation-pill {
  border: 1px solid rgba(0,0,0,.11);
  background: #fff;
  color: #111;
  border-radius: 999px;
  padding: .42rem .68rem;
  font-size: .82rem;
  font-weight: 720;
}
.cta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-top: 1.25rem;
}
.button-strong, .hero-panel .button-strong, .download-button {
  background: #fff !important;
  color: #000 !important;
  border: 1px solid rgba(255,255,255,.92) !important;
  box-shadow: 0 18px 48px rgba(0,0,0,.30) !important;
  min-height: 56px;
  padding-inline: 1.35rem;
  font-weight: 820;
}
.panel .button-strong, .source-box .button-strong {
  background: #000 !important;
  color: #fff !important;
  border-color: #000 !important;
}
.citation-box {
  background: #0a0a0a;
  color: #fff;
  border-radius: 18px;
  padding: 1rem 1.1rem;
  margin-top: 1rem;
  font-size: .95rem;
  line-height: 1.6;
}
.citation-box code { color: #fff; background: rgba(255,255,255,.12); }
.source-badge-row { display:flex; gap:.5rem; flex-wrap:wrap; margin:.9rem 0 0; }
.source-badge-row span { padding:.35rem .6rem; border-radius:999px; border:1px solid rgba(0,0,0,.1); background:#fff; font-size:.82rem; font-weight:700; }
.v6-answer-note { margin-top: .8rem; color: var(--muted); font-size: .95rem; }
.pdf-open, a[href$=".pdf"] { font-weight: 820; }
@media (max-width: 950px) {
  .authority-checks, .pillar-grid, .quality-grid, .method-grid, .reference-grid { grid-template-columns: 1fr; }
}


/* V6 - authority, GEO and definitive cleanup */
.authority-panel,
.decision-panel,
.priority-panel,
.geo-panel,
.diagnostic-panel,
.method-panel,
.source-mini-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.94));
}
.decision-grid,
.priority-grid,
.geo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
}
.decision-grid > div,
.priority-grid > a,
.geo-grid > div {
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  border-radius: 22px;
  padding: 1.05rem 1.1rem;
  box-shadow: 0 12px 34px rgba(0,0,0,.045);
  text-decoration: none;
}
.priority-grid > a:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.decision-grid strong,
.priority-grid strong,
.geo-grid strong { display:block; margin-bottom:.35rem; letter-spacing:-.02em; }
.decision-grid span,
.priority-grid span,
.geo-grid span { color: var(--muted); font-size:.95rem; }
.signal-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem 1rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.signal-list li {
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  border-radius: 18px;
  padding: .9rem 1rem;
  color: var(--muted);
}
.signal-list strong { color: var(--text); display:block; margin-bottom:.15rem; }
.source-mini-panel ul { margin-top:.65rem; }
.source-mini-panel li { margin:.35rem 0; }
.cta-strip {
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1rem;
  border:1px solid rgba(0,0,0,.10); border-radius:24px; padding:1.15rem 1.25rem;
  background:#fff; box-shadow:0 12px 34px rgba(0,0,0,.045); margin-top:1.1rem;
}
.cta-strip p { margin:0; color:var(--muted); }
.cta-strip .button { min-height:48px; }
.hero-panel .download-button,
.hero-panel .button.pdf-open {
  font-size: 1.02rem;
  min-height: 62px !important;
  width: fit-content;
  border: 2px solid #fff !important;
  box-shadow: 0 20px 60px rgba(0,0,0,.32), inset 0 0 0 1px rgba(0,0,0,.04) !important;
}
.hero-panel .download-button::before { content: "↓"; font-weight: 900; margin-right: .3rem; }
@media (max-width: 900px) {
  .decision-grid, .priority-grid, .geo-grid, .signal-list { grid-template-columns: 1fr; }
}


/* V6 - autorité SEO/GEO, hubs enrichis, CTAs PDF */
.authority-panel {
  border-color: rgba(0,0,0,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.94));
}
.authority-panel h2 { margin-top: .15rem; }
.authority-panel p { max-width: 92ch; }
.priority-cta {
  display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; margin-top: 1.25rem;
}
.priority-cta .button { min-height: 48px; padding-inline: 1.1rem; }
.decision-table th:first-child, .decision-table td:first-child { width: 24%; }
.check-list { display: grid; gap: .65rem; padding-left: 0; list-style: none; margin: 1rem 0 0; }
.check-list li {
  border: 1px solid rgba(0,0,0,.10); background: #fff; border-radius: 18px;
  padding: .85rem .95rem; box-shadow: 0 10px 24px rgba(0,0,0,.035);
}
.check-list li::before { content: "✓"; font-weight: 900; margin-right: .55rem; }
.source-ledger {
  background: #0b0b0c; color: #fff; border-color: #0b0b0c;
}
.source-ledger .tag { background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.18); }
.source-ledger a { color: #fff; }
.pdf-cta-row {
  display: flex; flex-wrap: wrap; gap: .85rem; align-items: center;
  padding: 1rem; border: 1px solid rgba(0,0,0,.10); border-radius: 22px; background: #fff;
  box-shadow: 0 12px 34px rgba(0,0,0,.045); margin: 1.25rem 0 0;
}
.pdf-cta-row .button, .button-emphasis {
  background: #000 !important; color: #fff !important; border: 1px solid #000 !important;
  box-shadow: 0 16px 42px rgba(0,0,0,.14) !important;
}
main > .hero-panel:first-of-type .button-emphasis,
main > .hero-panel:first-of-type .download-button.button-emphasis {
  background: #fff !important; color: #000 !important; border: 1px solid rgba(255,255,255,.85) !important;
  box-shadow: 0 20px 55px rgba(0,0,0,.32) !important;
}
.pdf-note { color: var(--muted); font-size: .92rem; }
.method-stamp { display:inline-flex; align-items:center; gap:.35rem; border:1px solid rgba(0,0,0,.12); border-radius:999px; padding:.38rem .65rem; background:#f7f7f8; font-weight:650; color:rgba(0,0,0,.68); font-size:.88rem; margin:.2rem .25rem .2rem 0; }
.kpi-row { display:grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap:1rem; margin:1.1rem 0 0; }
.kpi-row > div { border:1px solid rgba(0,0,0,.10); border-radius:22px; padding:1rem; background:#fff; box-shadow:0 10px 28px rgba(0,0,0,.04); }
.kpi-row strong { display:block; font-size:1.35rem; letter-spacing:-.04em; }
.kpi-row span { color:var(--muted); font-size:.92rem; }
@media (max-width: 900px) { .kpi-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .kpi-row { grid-template-columns: 1fr; } .pdf-cta-row { display:block; } .pdf-cta-row .button { width:100%; margin-bottom:.75rem; } }


/* V6 - SEO/GEO authority polish */
.download-button,
.hero-panel .download-button,
main > .hero-panel:first-of-type .download-button {
  display: inline-flex !important;
  align-self: flex-start;
  margin-top: 1.15rem;
  min-height: 62px !important;
  padding: .92rem 1.65rem !important;
  font-size: 1.02rem;
  font-weight: 820;
  background: #fff !important;
  color: #000 !important;
  border: 2px solid #fff !important;
  box-shadow: 0 22px 64px rgba(0,0,0,.34) !important;
}
.download-button:hover { background: #f5f5f7 !important; transform: translateY(-2px); }
.download-button .sub { display:block; font-size:.76rem; font-weight:650; opacity:.72; margin-left:.25rem; }
.authority-panel { background:#fff; border:1px solid rgba(0,0,0,.10); border-radius:var(--radius); box-shadow:var(--shadow-soft); }
.pillar-grid, .priority-grid {
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; margin-top:1.2rem;
}
.pillar-grid > div, .priority-grid > div {
  background:#fff; border:1px solid rgba(0,0,0,.10); border-radius:22px; padding:1.15rem; box-shadow:0 12px 34px rgba(0,0,0,.045);
}
.pillar-grid strong, .priority-grid strong { display:block; margin-bottom:.35rem; letter-spacing:-.02em; }
.pillar-grid span, .priority-grid span { color:var(--muted); }
.method-steps { counter-reset: step; display:grid; gap:.85rem; margin-top:1.2rem; }
.method-steps li { list-style:none; position:relative; padding:1rem 1rem 1rem 3.3rem; background:#fff; border:1px solid rgba(0,0,0,.10); border-radius:18px; box-shadow:0 10px 28px rgba(0,0,0,.04); }
.method-steps li::before { counter-increment: step; content:counter(step); position:absolute; left:1rem; top:1rem; width:1.7rem; height:1.7rem; display:grid; place-items:center; border-radius:999px; background:#000; color:#fff; font-weight:800; }
.cta-panel { background:linear-gradient(135deg,#050505,#161616); color:#fff; border-color:rgba(255,255,255,.12); }
.cta-panel p, .cta-panel .small { color:rgba(255,255,255,.72); }
.cta-panel a { color:#fff; }
.linked-citations { display:flex; flex-wrap:wrap; gap:.55rem; margin-top:1rem; }
.linked-citations a { border:1px solid rgba(255,255,255,.16); background:rgba(255,255,255,.10); color:#fff; border-radius:999px; padding:.5rem .72rem; text-decoration:none; font-weight:680; }
@media (max-width: 760px){ .pillar-grid,.priority-grid{grid-template-columns:1fr;} .download-button{width:100%; justify-content:center;} }


/* V6 - SEO/GEO final polish */
.priority-panel { background: linear-gradient(180deg, rgba(255,255,255,.99), rgba(255,255,255,.94)); }
.decision-grid { display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap:1rem; margin-top:1.25rem; }
.decision-grid a { display:block; text-decoration:none; background:#fff; border:1px solid rgba(0,0,0,.10); border-radius:22px; padding:1.1rem; box-shadow:0 12px 34px rgba(0,0,0,.045); transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.decision-grid a:hover { transform:translateY(-3px); border-color:rgba(0,0,0,.24); box-shadow:var(--shadow); }
.decision-grid strong { display:block; font-size:1.1rem; letter-spacing:-.025em; margin-bottom:.35rem; }
.decision-grid span { color:var(--muted); font-size:.95rem; }
.cta-error { border:1px solid rgba(0,0,0,.16); background:#fff; }
.cta-error .button { margin-top:.35rem; }
.method-panel .insight-grid > div, .priority-panel .insight-grid > div { min-height:8rem; }
.download-button.pdf-open { font-size:1.04rem; letter-spacing:-.01em; min-height:60px; padding:.95rem 1.45rem !important; margin-top:1.2rem; width:fit-content; max-width:100%; }
.hero-panel .download-button.pdf-open { border:2px solid #fff !important; }
.download-button.pdf-open::before { content:"↓"; display:inline-flex; align-items:center; justify-content:center; width:1.65rem; height:1.65rem; border-radius:999px; background:#000; color:#fff; margin-right:.35rem; }
.hero-panel .download-button.pdf-open::before { background:#000; color:#fff; }
.table-wrap table a { font-weight:700; }
@media (max-width: 1100px) { .decision-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) { .decision-grid { grid-template-columns: 1fr; } .download-button.pdf-open { width:100%; } }