/* ==========================================================================
   Site institutionnel OPSANALYSIS - feuille de style
   Design sobre et moderne : une teinte marine, un accent bleu, beaucoup d'air.
   Aucune ressource externe (polices système) : pas de requête tierce.
   ========================================================================== */

:root {
  --marine: #0e1c2f;
  --marine-2: #16304d;
  --marine-3: #1d3d63;
  --encre: #13213a;
  --texte: #2b3645;
  --texte-doux: #5b6778;
  --accent: #2f8fd6;
  --accent-fonce: #1f6fb0;
  --accent-clair: #e6f1fb;
  --rouge: #c8432b;
  --rouge-clair: #fbeae6;
  --vert: #1f8a5b;
  --fond: #ffffff;
  --surface: #f4f6f9;
  --surface-2: #eaeef4;
  --bordure: #e1e6ee;
  --bordure-forte: #c9d2de;
  --ombre: 0 1px 2px rgba(14, 28, 47, .06), 0 8px 24px rgba(14, 28, 47, .08);
  --ombre-forte: 0 20px 60px rgba(14, 28, 47, .28);
  --rayon: 14px;
  --rayon-petit: 8px;
  --police: "Segoe UI", Inter, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --police-serif: Georgia, "Times New Roman", "DejaVu Serif", serif;
  --largeur: 1180px;
  --gouttiere: 24px;
  --transition: .22s cubic-bezier(.2, .7, .3, 1);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--police);
  font-size: 17px;
  line-height: 1.6;
  color: var(--texte);
  background: var(--fond);
  -webkit-font-smoothing: antialiased;
}
body.menu-ouvert, body.visionneuse-ouverte { overflow: hidden; }
html, body { overflow-x: clip; }

h1, h2, h3, h4 { color: var(--encre); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.015em; font-weight: 700; }
h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
a { color: var(--accent-fonce); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; height: auto; display: block; }
abbr { text-decoration: none; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92em; background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
address { font-style: normal; }
ul, ol { padding-left: 1.3em; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lien-evitement { position: absolute; left: -999px; top: 8px; background: var(--marine); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 100; }
.lien-evitement:focus { left: 8px; }

.conteneur { width: min(100% - 2 * var(--gouttiere), var(--largeur)); margin-inline: auto; }
.ico { flex: none; }

/* --------------------------------------------------------------------------
   Logo
   -------------------------------------------------------------------------- */
.logo { display: inline-flex; align-items: center; color: var(--marine); }
.logo__svg { width: 190px; height: auto; }
.logo__ops { fill: currentColor; }
.logo__analysis { fill: #8a929c; }
.logo__accent { fill: var(--accent); }
.logo--clair { color: #fff; }
.logo--clair .logo__analysis { fill: #b7bcc4; }

/* --------------------------------------------------------------------------
   Boutons et étiquettes
   -------------------------------------------------------------------------- */
.bouton {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .8em 1.4em; border-radius: 999px; font-weight: 600; font-size: 1rem;
  border: 1.5px solid transparent; cursor: pointer; line-height: 1.2;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none !important;
}
.bouton:hover { transform: translateY(-1px); }
.bouton--principal { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(47, 143, 214, .32); }
.bouton--principal:hover { background: var(--accent-fonce); color: #fff; }
.bouton--contour { border-color: var(--bordure-forte); color: var(--encre); background: #fff; }
.bouton--contour:hover { border-color: var(--encre); }
.bouton--contour-clair { border-color: rgba(255, 255, 255, .45); color: #fff; }
.bouton--contour-clair:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.bouton--compact { padding: .55em 1.1em; font-size: .95rem; }
.bouton--grand { padding: 1em 1.8em; font-size: 1.05rem; }

.surtitre {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-fonce); margin: 0 0 .9em;
}
.surtitre--clair { color: #7fc0f0; }

.etiquette {
  display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .02em;
  padding: .25em .7em; border-radius: 999px; background: var(--accent-clair); color: var(--accent-fonce);
  margin: 0 .35em .35em 0;
}
.etiquette--petite { font-size: .72rem; padding: .18em .6em; }

.badge {
  display: inline-flex; align-items: center; gap: .45em; font-size: .82rem; font-weight: 600;
  color: var(--rouge); background: var(--rouge-clair); padding: .4em .9em; border-radius: 999px; margin-bottom: 1em;
}

/* --------------------------------------------------------------------------
   En-tête
   -------------------------------------------------------------------------- */
.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent; transition: border-color var(--transition), box-shadow var(--transition);
}
.entete--reduite { border-bottom-color: var(--bordure); box-shadow: 0 2px 14px rgba(14, 28, 47, .06); }
.entete__barre { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.navigation { display: flex; align-items: center; gap: 28px; }
.navigation > a { color: var(--encre); font-weight: 500; font-size: .98rem; position: relative; }
.navigation > a:not(.bouton)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.navigation > a:not(.bouton):hover { text-decoration: none; }
.navigation > a:not(.bouton):hover::after { transform: scaleX(1); }
.entete__burger { display: none; background: none; border: 0; color: var(--encre); padding: 6px; cursor: pointer; border-radius: 8px; }
.entete__burger:hover { background: var(--surface); }

@media (max-width: 900px) {
  .entete__burger { display: inline-flex; }
  .navigation {
    position: fixed; inset: 76px 0 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 24px 32px; transform: translateX(100%); transition: transform var(--transition); overflow: auto;
  }
  .navigation--ouverte { transform: none; }
  .navigation > a { padding: 16px 4px; font-size: 1.1rem; border-bottom: 1px solid var(--bordure); }
  .navigation > a::after { display: none; }
  .navigation > .bouton { margin-top: 20px; justify-content: center; border-bottom: 0; }
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: clamp(64px, 6vw + 24px, 112px) 0; }
.section--haute { padding-top: clamp(96px, 10vw, 160px); padding-bottom: clamp(96px, 10vw, 160px); }
.section--gris { background: var(--surface); }
.section--sombre { background: var(--marine); color: #c9d4e2; }
.section--sombre h2, .section--sombre h3 { color: #fff; }
.section--cta { background: linear-gradient(135deg, var(--marine) 0%, var(--marine-3) 100%); }

.entete-section { max-width: 760px; margin-bottom: clamp(36px, 4vw, 56px); }
.entete-section--centre { margin-inline: auto; text-align: center; }
.entete-section__sous { font-family: var(--police-serif); font-size: 1.12rem; color: #a9b8cb; margin-bottom: .8em; }
.entete-section__sous abbr { color: #fff; font-weight: 700; }
.entete-section__texte { font-size: 1.1rem; color: var(--texte-doux); }
.section--sombre .entete-section__texte { color: #c9d4e2; }

.grille-2 { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.prose-lead p { font-size: 1.12rem; color: var(--texte); }
@media (max-width: 820px) { .grille-2 { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Animations au défilement (actives seulement si le script est chargé :
   classe `js` sur <html> ; désactivées si l'utilisateur préfère moins de mouvement)
   -------------------------------------------------------------------------- */
:root { --anim-courbe: cubic-bezier(.16, .8, .24, 1); --anim-duree: .85s; }

/* Bloc entier : montée, glissement latéral ou zoom */
html.js [data-apparition] { opacity: 0; transform: translateY(40px); transition: opacity var(--anim-duree) var(--anim-courbe), transform var(--anim-duree) var(--anim-courbe); will-change: opacity, transform; }
html.js [data-apparition="gauche"] { transform: translateX(-64px); }
html.js [data-apparition="droite"] { transform: translateX(64px); }
html.js [data-apparition="zoom"] { transform: scale(.94) translateY(24px); }
html.js [data-apparition].visible { opacity: 1; transform: none; }

/* Grilles : les enfants apparaissent l'un après l'autre */
html.js [data-stagger] > * { opacity: 0; transform: translateY(32px) scale(.98); transition: opacity .7s var(--anim-courbe), transform .7s var(--anim-courbe); transition-delay: calc(var(--i, 0) * 95ms); will-change: opacity, transform; }
html.js [data-stagger].visible > * { opacity: 1; transform: none; }

/* Entrée du hero au chargement */
@keyframes hero-entree { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes hero-visuel { from { opacity: 0; transform: translateX(60px) perspective(1400px) rotateY(-10deg); } to { opacity: 1; transform: none; } }
html.js .hero__texte > * { animation: hero-entree .9s var(--anim-courbe) both; }
html.js .hero__texte > :nth-child(1) { animation-delay: .05s; }
html.js .hero__texte > :nth-child(2) { animation-delay: .15s; }
html.js .hero__texte > :nth-child(3) { animation-delay: .28s; }
html.js .hero__texte > :nth-child(4) { animation-delay: .4s; }
html.js .hero__texte > :nth-child(5) { animation-delay: .55s; }
html.js .hero__visuel { animation: hero-visuel 1.1s var(--anim-courbe) .25s both; }
.hero__visuel { will-change: transform; }

/* Barre de progression de lecture */
.progression { position: absolute; left: 0; right: 0; top: 0; height: 3px; background: transparent; pointer-events: none; }
.progression i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), #7fc0f0); transition: width .15s linear; }

@media (prefers-reduced-motion: reduce) {
  html.js [data-apparition], html.js [data-stagger] > * { opacity: 1; transform: none; transition: none; }
  html.js .hero__texte > *, html.js .hero__visuel { animation: none; }
  .progression { display: none; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden; color: #d7e1ee;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(47, 143, 214, .28), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(47, 143, 214, .18), transparent 60%),
    linear-gradient(160deg, var(--marine) 0%, #0b1627 100%);
  padding: clamp(56px, 7vw, 110px) 0 clamp(64px, 8vw, 120px);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7), transparent 85%);
}
.hero__grille { position: relative; display: grid; grid-template-columns: minmax(0, 11fr) minmax(0, 10fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { color: #fff; margin-bottom: .55em; }
.hero__accroche { font-size: 1.15rem; max-width: 560px; margin-bottom: 1.8em; }
.hero__accroche strong { color: #fff; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__chiffres {
  list-style: none; padding: 0; margin: 2.6em 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 1.6em;
}
.hero__chiffres li { display: flex; flex-direction: column; gap: 2px; }
.hero__chiffres strong { font-size: 1.7rem; color: #fff; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.hero__chiffres span { font-size: .84rem; color: #9fb1c7; line-height: 1.3; }

.hero__visuel { position: relative; }
.capture--hero { margin: 0; transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); transform-origin: left center; }
.capture--hero .capture__cadre { box-shadow: var(--ombre-forte); }
.capture--hero-secondaire {
  position: absolute; right: -4%; bottom: -14%; width: 44%; margin: 0;
  transform: perspective(1400px) rotateY(-6deg); transform-origin: left center;
}
.capture--hero-secondaire .capture__cadre { box-shadow: var(--ombre-forte); border-color: rgba(255, 255, 255, .25); }

@media (max-width: 960px) {
  .hero__grille { grid-template-columns: 1fr; }
  .hero__visuel { margin-top: 12px; }
  .capture--hero { transform: none; }
  .capture--hero-secondaire { display: none; }
  .hero__chiffres { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   Captures d'écran (cadre type navigateur) et visionneuse
   -------------------------------------------------------------------------- */
.capture { margin: 0; }
.capture__cadre {
  display: block; position: relative; border-radius: 12px; overflow: hidden; background: #fff;
  border: 1px solid var(--bordure); box-shadow: var(--ombre);
  transition: transform var(--transition), box-shadow var(--transition);
}
a.capture__cadre:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(14, 28, 47, .16); }
.capture__cadre img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.capture__barre {
  display: flex; gap: 6px; align-items: center; height: 26px; padding: 0 12px;
  background: #eef1f5; border-bottom: 1px solid var(--bordure);
}
.capture__barre i { width: 9px; height: 9px; border-radius: 50%; background: #cfd6df; display: block; }
.capture__barre i:nth-child(1) { background: #f28b82; }
.capture__barre i:nth-child(2) { background: #f6c26b; }
.capture__barre i:nth-child(3) { background: #7ccf8a; }
.capture__legende { font-size: .86rem; color: var(--texte-doux); margin-top: .7em; line-height: 1.4; }

.visionneuse {
  position: fixed; inset: 0; z-index: 200; background: rgba(8, 15, 27, .9); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 32px;
}
.visionneuse[hidden] { display: none; }
.visionneuse__figure { margin: 0; max-width: min(1440px, 100%); max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.visionneuse__image { max-width: 100%; max-height: calc(100vh - 120px); border-radius: 10px; box-shadow: var(--ombre-forte); background: #fff; }
.visionneuse__legende { color: #d7e1ee; font-size: .95rem; text-align: center; }
.visionneuse__fermer {
  position: absolute; top: 18px; right: 18px; background: rgba(255, 255, 255, .1); border: 0; color: #fff;
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
}
.visionneuse__fermer:hover { background: rgba(255, 255, 255, .22); }

/* --------------------------------------------------------------------------
   Piliers (section société)
   -------------------------------------------------------------------------- */
.piliers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(40px, 5vw, 64px); }
.pilier { padding: 28px; border: 1px solid var(--bordure); border-radius: var(--rayon); background: #fff; color: var(--texte-doux); }
.pilier .ico { color: var(--accent); margin-bottom: 14px; }
.pilier h3 { margin-bottom: .4em; }
.pilier p { margin: 0; }
@media (max-width: 820px) { .piliers { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Principes CITADEL
   -------------------------------------------------------------------------- */
.principes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.principe {
  padding: 26px 24px; border-radius: var(--rayon); background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1); color: #b7c5d6;
}
.principe .ico { color: #7fc0f0; margin-bottom: 14px; }
.principe h3 { font-size: 1.08rem; margin-bottom: .45em; }
.principe p { margin: 0; font-size: .95rem; }
@media (max-width: 960px) { .principes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .principes { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Modules phares
   -------------------------------------------------------------------------- */
.phare {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 72px); align-items: center;
  padding: clamp(36px, 5vw, 64px) 0; border-top: 1px solid var(--bordure);
}
.phare:first-of-type { border-top: 0; padding-top: 0; }
.phare--inverse .phare__texte { order: 2; }
.phare__texte h3 { font-size: clamp(1.45rem, 1.1rem + 1.2vw, 1.9rem); }
.phare__accroche { font-size: 1.12rem; color: var(--encre); font-weight: 500; }
.phare__texte p { color: var(--texte); }
.phare__sources { margin-top: 1.2em; color: var(--texte-doux); font-size: .9rem; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.phare__visuels { display: grid; gap: 18px; }
.capture--secondaire { display: none; }
.phare__visuels:has(.capture--secondaire) { grid-template-columns: 1fr 1fr; }
.phare__visuels:has(.capture--secondaire) .capture--principale { grid-column: 1 / -1; }
.phare__visuels:has(.capture--secondaire) .capture--secondaire { display: block; }
.capture--secondaire .capture__legende { font-size: .8rem; }

.liste-coches { list-style: none; padding: 0; margin: 1.2em 0 0; display: grid; gap: 8px; }
.liste-coches li { display: flex; gap: 10px; align-items: flex-start; font-size: .98rem; }
.liste-coches .ico { color: var(--vert); margin-top: 3px; }

@media (max-width: 900px) {
  .phare { grid-template-columns: 1fr; }
  .phare--inverse .phare__texte { order: 0; }
}

/* --------------------------------------------------------------------------
   Développement sur mesure : exemple, diagramme UML, règles de gestion
   -------------------------------------------------------------------------- */
.exemple { margin-top: clamp(40px, 5vw, 64px); border: 1px solid var(--bordure); border-radius: var(--rayon); background: #fff; padding: clamp(24px, 4vw, 48px); box-shadow: var(--ombre); }
.exemple__entete { max-width: 860px; }
.exemple__entete h3 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); }
.exemple__entete p { color: var(--texte); font-size: 1.05rem; margin: 0; }
.diagramme { margin: clamp(28px, 4vw, 40px) 0; }
.diagramme__cadre { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--bordure); border-radius: var(--rayon-petit); background: #fff; padding: 12px; }
.uml { display: block; width: 100%; min-width: 900px; height: auto; }
.diagramme figcaption { font-size: .9rem; color: var(--texte-doux); margin-top: .8em; }
.regles { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(20px, 4vw, 48px); align-items: start; margin-top: 8px; }
.regles__intro { position: sticky; top: 96px; }
.regles__intro h4 { font-size: 1.2rem; }
.regles__intro p { color: var(--texte-doux); margin: 0; }
.regles__liste { list-style: none; padding: 0; margin: 0; counter-reset: regle; display: grid; gap: 12px; }
.regles__liste li { position: relative; counter-increment: regle; padding: 16px 18px 16px 62px; background: var(--surface); border-radius: var(--rayon-petit); font-size: .96rem; line-height: 1.55; }
.regles__liste li::before { content: counter(regle, decimal-leading-zero); position: absolute; left: 18px; top: 14px; font-family: var(--police-serif); font-size: 1.35rem; color: var(--accent); line-height: 1; }
.regles__liste strong { color: var(--encre); }
.exemple__conclusion { margin: clamp(24px, 3vw, 36px) 0 0; padding-top: 20px; border-top: 1px solid var(--bordure); color: var(--encre); font-size: 1.05rem; font-weight: 500; }
@media (max-width: 900px) { .regles { grid-template-columns: 1fr; } .regles__intro { position: static; } }

/* --------------------------------------------------------------------------
   Grille de modules (onglets + cartes)
   -------------------------------------------------------------------------- */
.onglets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.onglet {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--bordure-forte); background: #fff; color: var(--encre); font: inherit; font-size: .92rem; font-weight: 600; cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.onglet .ico { color: var(--accent); }
.onglet:hover { border-color: var(--accent); }
.onglet.actif { background: var(--marine); color: #fff; border-color: var(--marine); }
.onglet.actif .ico { color: #7fc0f0; }
.panneau__intro { color: var(--texte-doux); font-size: 1.05rem; margin-bottom: 24px; max-width: 760px; }

.cartes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.carte { background: #fff; border: 1px solid var(--bordure); border-radius: var(--rayon); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow var(--transition), transform var(--transition); }
.carte:hover { box-shadow: var(--ombre); transform: translateY(-2px); }
.carte .capture__cadre { border: 0; border-radius: 0; box-shadow: none; }
.carte a.capture__cadre:hover { transform: none; box-shadow: none; }
.carte__corps { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.carte__corps h3 { font-size: 1.08rem; margin: 0; }
.carte__corps p { margin: 0; font-size: .94rem; color: var(--texte-doux); }
.carte__sources { margin-top: auto !important; padding-top: 10px; }
@media (max-width: 960px) { .cartes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cartes { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Flux d'intégration
   -------------------------------------------------------------------------- */
.flux { display: grid; grid-template-columns: minmax(0, 5fr) auto minmax(0, 4fr) auto minmax(0, 4fr); gap: 18px; align-items: center; }
.flux__titre { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--texte-doux); margin-bottom: 14px; }
.flux__colonne { display: grid; gap: 12px; align-content: start; }
.flux__fleche { color: var(--bordure-forte); display: grid; place-items: center; }
.source, .sortie { background: #fff; border: 1px solid var(--bordure); border-radius: var(--rayon-petit); padding: 16px 18px; }
.source h4, .sortie h4 { margin: 0; font-size: 1rem; }
.source__type { font-size: .82rem; color: var(--accent-fonce); font-weight: 600; margin: 2px 0 8px; }
.source p, .sortie p { font-size: .9rem; color: var(--texte-doux); margin: 0; }
.source__tags { margin-top: 10px !important; }
.noyau {
  background: var(--marine); color: #c9d4e2; border-radius: var(--rayon); padding: 28px 26px; box-shadow: var(--ombre-forte);
}
.noyau__logo { color: #fff; margin-bottom: 18px; }
.noyau__logo .logo__svg { width: 150px; }
.noyau__logo .logo__analysis { fill: #b7bcc4; }
.noyau h3 { color: #fff; font-size: 1.5rem; letter-spacing: .06em; margin-bottom: .6em; }
.noyau ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .92rem; }
.noyau li { display: flex; gap: 10px; align-items: flex-start; }
.noyau .ico { color: #7fc0f0; margin-top: 2px; }
@media (max-width: 960px) {
  .flux { grid-template-columns: 1fr; }
  .flux__fleche { transform: rotate(90deg); padding: 8px 0; }
}

/* --------------------------------------------------------------------------
   Avantages
   -------------------------------------------------------------------------- */
.avantages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.avantage { background: #fff; border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 26px 24px; }
.avantage__icone { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--accent-clair); color: var(--accent-fonce); margin-bottom: 16px; }
.avantage h3 { font-size: 1.08rem; margin-bottom: .45em; }
.avantage p { margin: 0; font-size: .94rem; color: var(--texte-doux); }
@media (max-width: 1060px) { .avantages { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .avantages { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Démarche
   -------------------------------------------------------------------------- */
.etapes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: etape; }
.etape { position: relative; padding: 28px 24px 24px; border-top: 3px solid var(--accent); background: var(--surface); border-radius: 0 0 var(--rayon) var(--rayon); }
.etape__numero { font-family: var(--police-serif); font-size: 2rem; color: var(--accent); line-height: 1; display: block; margin-bottom: 14px; }
.etape h3 { font-size: 1.1rem; margin-bottom: .4em; }
.etape p { margin: 0; font-size: .94rem; color: var(--texte-doux); }
@media (max-width: 960px) { .etapes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .etapes { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Appel à l'action
   -------------------------------------------------------------------------- */
.cta { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: center; }
.cta h2 { margin-bottom: .4em; }
.cta p { margin: 0; font-size: 1.1rem; }
.cta__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; justify-self: end; }
.cta__mail { display: inline-flex; align-items: center; gap: 8px; color: #d7e1ee; font-weight: 500; }
.cta__mail .ico { color: #7fc0f0; }
@media (max-width: 820px) { .cta { grid-template-columns: 1fr; } .cta__actions { justify-self: start; } }

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */
.pied { background: #0b1627; color: #9fb1c7; padding: 56px 0 28px; font-size: .92rem; }
.pied a { color: #d7e1ee; }
.pied__grille { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.pied__marque p { margin-top: 16px; max-width: 320px; }
.pied__titre { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.pied__liens { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.pied__bas { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 22px; font-size: .82rem; color: #7d8ea5; }
@media (max-width: 900px) { .pied__grille { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pied__grille { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Bandeau des pages secondaires
   -------------------------------------------------------------------------- */
.bandeau {
  background: linear-gradient(160deg, var(--marine) 0%, var(--marine-3) 100%); color: #c9d4e2;
  padding: clamp(48px, 6vw, 80px) 0;
}
.bandeau--compact { padding: 40px 0; }
.bandeau h1 { color: #fff; }
.bandeau__texte { font-size: 1.1rem; max-width: 680px; margin: 0; }

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.contact__aside { display: grid; gap: 18px; position: sticky; top: 100px; }
.encart { border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 24px; background: #fff; }
.encart--discret { background: var(--surface); border-color: transparent; }
.encart h2 { font-size: 1.05rem; display: flex; align-items: center; gap: 10px; margin-bottom: .8em; }
.encart h2 .ico { color: var(--accent); }
.encart p:last-child { margin-bottom: 0; }
.liste-numerotee { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; font-size: .95rem; }

fieldset { border: 0; padding: 0; margin: 0 0 28px; }
legend { font-weight: 700; color: var(--encre); font-size: 1.15rem; margin-bottom: 14px; padding: 0; }
.champs-ligne { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.champs-ligne--3 { grid-template-columns: 130px 1fr 1fr; }
.champ { margin-bottom: 16px; }
.champ label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; color: var(--encre); }
.champ__requis { color: var(--rouge); }
.champ input:not([type="checkbox"]), .champ select, .champ textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid var(--bordure-forte); border-radius: var(--rayon-petit);
  background: #fff; color: var(--texte); transition: border-color var(--transition), box-shadow var(--transition);
}
.champ textarea { resize: vertical; min-height: 160px; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(47, 143, 214, .18); }
.champ__aide { font-size: .84rem; color: var(--texte-doux); margin: 6px 0 0; }
.champ__message { font-size: .86rem; color: var(--rouge); margin: 6px 0 0; font-weight: 600; }
.champ--erreur input, .champ--erreur select, .champ--erreur textarea { border-color: var(--rouge); }
.champ--case { display: grid; grid-template-columns: auto 1fr; gap: 10px 12px; align-items: start; }
.champ--case input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }
.champ--case label { font-weight: 400; font-size: .94rem; margin: 0; }
.champ--case .champ__message { grid-column: 1 / -1; }
.alerte { padding: 16px 18px; border-radius: var(--rayon-petit); margin-bottom: 22px; font-size: .96rem; }
.alerte--erreur { background: var(--rouge-clair); color: #7a2416; border: 1px solid #f1c2b8; }
.alerte ul { margin: 0; }

@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
  .contact__aside { position: static; }
}
@media (max-width: 600px) { .champs-ligne, .champs-ligne--3 { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Confirmation / erreurs
   -------------------------------------------------------------------------- */
.confirmation { max-width: 640px; text-align: center; }
.confirmation p { font-size: 1.1rem; color: var(--texte-doux); }
.confirmation .hero__actions { justify-content: center; margin-top: 1.6em; }
.confirmation__icone { display: inline-grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: #e4f5ec; color: var(--vert); margin-bottom: 20px; }

/* --------------------------------------------------------------------------
   Pages de texte (mentions légales, confidentialité)
   -------------------------------------------------------------------------- */
.prose { max-width: 800px; }
.prose h2 { font-size: 1.45rem; margin-top: 2em; }
.prose h3 { font-size: 1.12rem; margin-top: 1.6em; }
.prose p, .prose li { color: var(--texte); }
.definition { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0 0 1.5em; }
.definition dt { font-weight: 600; color: var(--encre); }
.definition dd { margin: 0; }
.tableau { width: 100%; border-collapse: collapse; font-size: .94rem; margin: 0 0 1.5em; }
.tableau th, .tableau td { border: 1px solid var(--bordure); padding: 10px 12px; text-align: left; vertical-align: top; }
.tableau th { background: var(--surface); color: var(--encre); }
@media (max-width: 600px) { .definition { grid-template-columns: 1fr; gap: 2px 0; } .definition dd { margin-bottom: 10px; } }

/* --------------------------------------------------------------------------
   Petits écrans (téléphones)
   -------------------------------------------------------------------------- */
.tableau-defilant { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 1.5em; }
.tableau-defilant .tableau { margin: 0; min-width: 560px; }
.pied__adresse, .pied__liens, .cta__mail, .encart address, .encart p, .prose p, .confirmation p { overflow-wrap: anywhere; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  :root { --gouttiere: 18px; }
  .logo__svg { width: 160px; }
  .entete__barre { min-height: 64px; }
  .navigation { inset: 64px 0 0; }
  .section { padding: 56px 0; }
  .hero { padding: 40px 0 56px; }
  .hero__accroche { font-size: 1.05rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .bouton { justify-content: center; }
  .hero__chiffres { gap: 14px; margin-top: 2em; }
  .hero__chiffres strong { font-size: 1.45rem; }
  .phare__visuels:has(.capture--secondaire) { grid-template-columns: 1fr; }
  .phare__texte h3 { font-size: 1.4rem; }
  .onglets { gap: 6px; }
  .onglet { padding: 8px 12px; font-size: .86rem; }
  .carte__corps { padding: 16px 18px 18px; }
  .noyau { padding: 22px 20px; }
  .cta__actions { width: 100%; }
  .cta__actions .bouton { width: 100%; justify-content: center; }
  .confirmation .hero__actions { align-items: center; }
  .visionneuse { padding: 56px 12px 16px; }
  .visionneuse__fermer { top: 10px; right: 10px; width: 42px; height: 42px; }
  .visionneuse__image { max-height: calc(100vh - 140px); }
  .bandeau { padding: 36px 0; }
  .bandeau--compact { padding: 28px 0; }
  .encart { padding: 20px; }
  fieldset { margin-bottom: 20px; }
  .prose h2 { font-size: 1.3rem; }
}

@media (max-width: 380px) {
  .hero__chiffres { grid-template-columns: 1fr; }
  .logo__svg { width: 140px; }
}

/* Sécurité contre tout débordement horizontal d'un élément large */
img, svg, table, pre { max-width: 100%; }

/* --------------------------------------------------------------------------
   Impression
   -------------------------------------------------------------------------- */
@media print {
  .entete, .pied, .hero__actions, .cta, .visionneuse { display: none !important; }
  body { font-size: 11pt; color: #000; }
  .section { padding: 16px 0; }
}