:root {
  --bg: #fbfcfd;
  --bg-soft: #f1f4f7;
  --panel: #ffffff;
  --ink: #0d1b2a;
  --ink-2: #3d4f5d;
  --line: #e3e9ef;
  --grid: #eef2f6;
  --accent: #0a6cff;
  --accent-soft: #e8f1ff;
  --signal: #00b386;
  --warn: #ff7a45;
  --mono: 'SFMono-Regular', 'JetBrains Mono', 'Roboto Mono', Menlo, Consolas, monospace;
  --sans: 'Söhne', -apple-system, 'Segoe UI', 'Helvetica Neue', system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  background-image: radial-gradient(120% 60% at 50% -10%, #eef4fb 0%, var(--bg) 46%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 28px; }
.wrap > article { max-width: 780px; }
.wrap-wide { max-width: 1040px; margin: 0 auto; padding: 0 28px; }

/* Top bar / nav */
header.site {
  background: rgba(251,252,253,0.82);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
header.site .bar {
  max-width: 1040px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 58px;
}
.brand {
  font-family: var(--mono); font-weight: 600; font-size: 0.9rem;
  letter-spacing: -0.01em; display: flex; align-items: center; gap: 9px;
  text-decoration: none; color: var(--ink);
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 0 4px rgba(0,179,134,0.16);
}
.brand b { color: var(--accent); font-weight: 600; }
nav.menu { display: flex; gap: 16px; align-items: center; }
nav.menu a {
  font-family: var(--mono); font-size: 0.76rem; color: var(--ink-2);
  text-decoration: none; letter-spacing: 0.01em; transition: color 0.15s;
}
nav.menu a:hover, nav.menu a.active { color: var(--accent); }
nav.menu .lang-switch {
  margin-left: 6px; padding: 3px 8px; border: 1px solid var(--line);
  border-radius: 4px; font-size: 0.7rem; color: var(--ink-2);
}
nav.menu .lang-switch:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 620px) { nav.menu { gap: 14px; } nav.menu a { font-size: 0.68rem; } nav.menu .lang-switch { font-size: 0.65rem; padding: 2px 6px; } }
footer.site a { color: var(--ink-2); text-decoration: none; border-bottom: 1px dotted var(--ink-2); }
footer.site a:hover { color: var(--accent); border-color: var(--accent); }

/* Article head */
article { padding: 60px 0 0; }
.meta-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 22px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-2);
}
.chip {
  background: var(--accent-soft); color: var(--accent);
  padding: 4px 10px; border-radius: 100px; font-weight: 600;
}
.meta-row .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--line); }
h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  line-height: 1.06; font-weight: 680; letter-spacing: -0.03em; margin-bottom: 30px;
}

/* Answer capsule */
.capsule {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  padding: 24px 26px; border-radius: 12px; margin: 6px 0 48px;
  box-shadow: 0 1px 2px rgba(13,27,42,0.04), 0 12px 28px -18px rgba(13,27,42,0.18);
}
.capsule .tag {
  font-family: var(--mono); font-size: 0.64rem; font-weight: 600;
  letter-spacing: 0.14em; color: var(--accent); margin-bottom: 10px; display: block;
}
.capsule p { font-size: 1.1rem; line-height: 1.52; color: var(--ink); }

h2 { font-size: 1.42rem; font-weight: 660; letter-spacing: -0.02em; margin: 52px 0 16px; }
h2 .h-index { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); font-weight: 600; margin-right: 10px; }
p.body { font-size: 1.05rem; color: #1a2a38; margin-bottom: 18px; }
p.body strong { font-weight: 640; color: var(--ink); }
em { color: var(--ink-2); font-style: normal; border-bottom: 1px dashed var(--line); }

/* Stat strip */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 30px 0; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px; position: relative; overflow: hidden; }
.stat::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--signal)); }
.stat .n { font-family: var(--mono); font-size: 1.7rem; font-weight: 600; color: var(--ink); line-height: 1; letter-spacing: -0.02em; }
.stat .l { font-size: 0.84rem; color: var(--ink-2); margin-top: 10px; line-height: 1.4; }

/* Normative list */
.norm { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px 24px; margin: 26px 0; }
.norm .item { padding: 16px 0; border-bottom: 1px solid var(--grid); }
.norm .item:last-child { border-bottom: none; }
.norm dt { font-family: var(--mono); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.04em; color: var(--accent); display: flex; align-items: center; gap: 8px; }
.norm dt .badge { font-size: 0.6rem; padding: 2px 7px; border-radius: 100px; letter-spacing: 0.04em; }
.badge.auto { background: rgba(0,179,134,0.12); color: var(--signal); }
.badge.mix { background: rgba(255,122,69,0.14); color: var(--warn); }
.norm dd { font-size: 1rem; margin-top: 6px; color: #1a2a38; }

/* Quote */
blockquote { margin: 36px 0; padding: 26px 28px; background: linear-gradient(180deg, var(--bg-soft), var(--panel)); border: 1px solid var(--line); border-radius: 14px; font-size: 1.2rem; line-height: 1.45; color: var(--ink); font-weight: 480; position: relative; }
blockquote .mark { font-family: var(--mono); color: var(--accent); font-size: 2.4rem; line-height: 0; position: absolute; top: 26px; left: 14px; opacity: 0.25; }
blockquote p { padding-left: 22px; }
blockquote cite { display: block; margin-top: 14px; padding-left: 22px; font-style: normal; font-size: 0.8rem; color: var(--ink-2); font-family: var(--mono); }

/* Steps */
ol.steps { list-style: none; counter-reset: s; margin: 24px 0; display: grid; gap: 12px; }
ol.steps li { counter-increment: s; position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px 18px 60px; font-size: 1rem; color: #1a2a38; }
ol.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 18px; top: 18px; font-family: var(--mono); font-weight: 600; font-size: 0.82rem; color: var(--accent); }
ol.steps li b { color: var(--ink); font-weight: 640; }

/* FAQ */
.faq { margin-top: 12px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; padding: 0 20px; transition: border-color 0.2s; }
.faq details[open] { border-color: var(--accent); }
.faq summary { cursor: pointer; padding: 17px 0; font-weight: 600; font-size: 1.04rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: var(--mono); font-size: 1.3rem; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 18px; font-size: 1rem; color: #1a2a38; }

/* Editorial bridge */
.bridge { margin: 54px 0 0; padding: 24px 0; border-top: 1px solid var(--line); }
.bridge .lbl { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--ink-2); margin-bottom: 14px; }
.bridge a { display: flex; align-items: center; justify-content: space-between; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; transition: transform 0.18s, border-color 0.18s; }
.bridge a:hover { transform: translateX(3px); border-color: var(--accent); }
.bridge a .t { font-weight: 600; font-size: 1.04rem; }
.bridge a .arrow { font-family: var(--mono); color: var(--accent); padding-left: 16px; }

/* Resource capture */
.resource { margin: 26px 0 60px; background: var(--ink); color: #fff; border-radius: 16px; padding: 32px; position: relative; overflow: hidden; }
.resource::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 22px 22px; }
.resource > * { position: relative; }
.resource .rtag { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--signal); margin-bottom: 12px; }
.resource h3 { font-size: 1.32rem; font-weight: 640; letter-spacing: -0.02em; margin-bottom: 8px; }
.resource p { color: #b9c6d2; font-size: 0.98rem; margin-bottom: 20px; max-width: 56ch; }
.resource .form { display: flex; gap: 10px; flex-wrap: wrap; }
.resource input { flex: 1; min-width: 220px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.18); border-radius: 10px; padding: 13px 16px; color: #fff; font-size: 0.96rem; font-family: var(--sans); outline: none; transition: border-color 0.2s; }
.resource input::placeholder { color: #7e8fa0; }
.resource input:focus { border-color: var(--accent); }
.resource button { background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 13px 24px; font-family: var(--mono); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em; cursor: pointer; transition: filter 0.2s; }
.resource button:hover { filter: brightness(1.1); }
.resource .fine { font-size: 0.74rem; color: #7e8fa0; margin-top: 14px; }

footer.site { border-top: 1px solid var(--line); padding: 30px 0; font-family: var(--mono); font-size: 0.74rem; color: var(--ink-2); margin-top: 40px; }

@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } }

/* ---- Home page ---- */
.hero { padding: 80px 0 50px; text-align: left; }
.hero .eyebrow { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.14em; color: var(--accent); margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); max-width: 16ch; margin-bottom: 24px; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 60ch; line-height: 1.5; }
.section-label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--ink-2); margin: 50px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding-bottom: 70px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; text-decoration: none; color: var(--ink); transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 18px 40px -24px rgba(10,108,255,0.4); }
.card .ctag { font-family: var(--mono); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.04em; margin-bottom: 14px; }
.card h3 { font-size: 1.18rem; font-weight: 640; letter-spacing: -0.02em; line-height: 1.25; margin-bottom: 10px; }
.card p { font-size: 0.95rem; color: var(--ink-2); line-height: 1.45; margin-bottom: 18px; flex: 1; }
.card .gain { font-family: var(--mono); font-size: 0.78rem; color: var(--signal); font-weight: 600; }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

/* ---- Pillar pages ---- */
.pillar-head { padding: 70px 0 10px; }
.pillar-head .eyebrow { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.14em; color: var(--accent); margin-bottom: 18px; }
.pillar-head h1 { font-size: clamp(2.1rem, 4.8vw, 3.2rem); max-width: 18ch; margin-bottom: 20px; }
.pillar-head p.lead { font-size: 1.12rem; color: var(--ink-2); max-width: 62ch; line-height: 1.5; }
.pillar-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 36px 0 70px; }
@media (max-width: 620px) { .pillar-cards { grid-template-columns: 1fr; } }

/* Dropdown menu (scalable) */
nav.menu .has-sub { position: relative; }
nav.menu .has-sub > span { cursor: default; }
nav.menu .submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(6px);
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px; min-width: 280px; opacity: 0; visibility: hidden;
  box-shadow: 0 20px 44px -20px rgba(13,27,42,0.3); transition: opacity 0.16s, transform 0.16s;
  z-index: 20;
}
nav.menu .has-sub:hover .submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(2px); }
nav.menu .submenu a {
  display: block; padding: 10px 12px; border-radius: 8px; font-family: var(--sans);
  font-size: 0.86rem; color: var(--ink); letter-spacing: 0; line-height: 1.3;
}
nav.menu .submenu a:hover { background: var(--accent-soft); color: var(--accent); }
nav.menu .submenu .grp { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--ink-2); padding: 10px 12px 4px; }
@media (max-width: 760px) {
  nav.menu .submenu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 0 12px; min-width: 0; display: none; }
  nav.menu .has-sub:hover .submenu { transform: none; }
}

/* Pillar strip on home */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 30px; }
.pillar-tile { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; text-decoration: none; color: var(--ink); transition: transform 0.18s, border-color 0.18s; display: block; }
.pillar-tile:hover { transform: translateY(-3px); border-color: var(--accent); }
.pillar-tile .pnum { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); margin-bottom: 12px; }
.pillar-tile h3 { font-size: 1.12rem; font-weight: 640; margin-bottom: 8px; letter-spacing: -0.02em; }
.pillar-tile p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.45; }
@media (max-width: 720px) { .pillars { grid-template-columns: 1fr; } }


/* GEO: intro entité (accueil) */
section.intro { margin: 18px 0 6px; }
section.intro p { font-size: 1.05rem; color: var(--ink-2); max-width: 70ch; line-height: 1.6; }

/* GEO: tableaux comparatifs extractibles */
.grid { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 1rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--grid); vertical-align: top; }
.grid thead th { font-family: var(--mono); font-weight: 600; font-size: 0.7rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--accent); }
.grid tbody tr:last-child td { border-bottom: none; }
.grid td:first-child { font-weight: 600; color: #0f1f2d; }
.grid .badge { display: inline-block; font-size: 0.6rem; padding: 2px 7px; border-radius: 100px; letter-spacing: 0.04em; }

/* Alignement header ↔ contenu (pages article) : le header garde sa pleine largeur
   (la nav a besoin de la place) ; on aligne le bord gauche de la colonne de lecture
   sur celui du header. .wrap prend la largeur du header (1040px) et l'article est calé
   à gauche à 780px — logo et texte partagent ainsi le même bord gauche. */

/* GEO: glossaire / lexique sémantique */
dl.lexique { margin: 28px 0; }
dl.lexique > div { padding: 18px 0; border-bottom: 1px solid var(--grid); }
dl.lexique > div:last-child { border-bottom: none; }
dl.lexique dt { font-family: var(--mono); font-weight: 600; font-size: 0.86rem; color: var(--accent); margin-bottom: 6px; }
dl.lexique dt dfn { font-style: normal; }
dl.lexique dd { margin: 0; font-size: 1rem; color: #1a2a38; line-height: 1.55; }
dl.lexique dd a { color: var(--accent); }

/* GEO: bloc sources & autorité (liens institutionnels) */
ul.sources { list-style: none; margin: 18px 0 6px; display: grid; gap: 10px; }
ul.sources li { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 0.96rem; color: var(--ink-2); line-height: 1.5; }
ul.sources li a { color: var(--accent); font-weight: 600; text-decoration: none; }
ul.sources li a:hover { text-decoration: underline; }

/* CTA Contact dans la nav */
nav.menu a.cta-nav { background: var(--accent); color: #fff; padding: 6px 12px; border-radius: 6px; font-weight: 600; }
nav.menu a.cta-nav:hover { background: #085fe0; color: #fff; }
/* Pied de page : liens secondaires */
footer.site .wrap-wide { font-size: 0.82rem; color: var(--ink-2); }