/* ==========================================================================
   KléIA Solutions — Feuille de style unique
   Charte : fond #272030, fond clair #312842, carte #2e2540, accent #c79a99,
   texte #d4ccd8, secondaire #9b90a5, clair #e3ebf2, blanc cassé #f5f0ee.
   Typos : DM Sans (texte, titres), Caveat (accents manuscrits).
   Rayons : 12px (boutons, éléments), 16px (cartes).
   ========================================================================== */

:root {
  --bg: #272030;
  --bg-light: #312842;
  --bg-card: #2e2540;
  --accent: #c79a99;
  --accent-soft: rgba(199, 154, 153, 0.14);
  --accent-border: rgba(199, 154, 153, 0.32);
  --text: #d4ccd8;
  --text-2: #9b90a5;
  --light: #e3ebf2;
  --white: #f5f0ee;
  --border: rgba(155, 144, 165, 0.22);
  --r-sm: 12px;
  --r-lg: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
  --maxw: 1120px;
  --maxw-text: 760px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  color: var(--white);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.35rem); }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1.1em; }

ul, ol { padding-left: 1.4em; margin: 0 0 1.2em; }
li { margin-bottom: 0.45em; }

strong { color: var(--light); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6em 1em;
  border-radius: 0 0 var(--r-sm) 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-text {
  max-width: var(--maxw-text);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --------------------------------------------------------------------------
   Header et navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(39, 32, 48, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a:not(.btn) {
  color: var(--text);
  font-weight: 500;
  font-size: 0.98rem;
}
.site-nav a:not(.btn):hover { color: var(--white); text-decoration: none; }
.site-nav a:not(.btn)[aria-current="page"] { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--accent);
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(199, 154, 153, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--light);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

.btn-nav { padding: 0.6rem 1.15rem; font-size: 0.95rem; }

.btn-lg { padding: 1rem 2rem; font-size: 1.08rem; }

.cta-note {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.92rem;
  color: var(--text-2);
}

/* --------------------------------------------------------------------------
   Sections génériques
   -------------------------------------------------------------------------- */

.section { padding: 4.5rem 0; }
.section-alt { background: var(--bg-light); }

.section-head { max-width: 720px; margin-bottom: 2.5rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.overline {
  font-family: "Caveat", cursive;
  font-size: 1.45rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.lead { font-size: 1.15rem; color: var(--light); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding: 4.5rem 0 4rem;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(199, 154, 153, 0.10), transparent 65%),
    radial-gradient(ellipse 50% 45% at 10% 90%, rgba(227, 235, 242, 0.05), transparent 60%);
  pointer-events: none;
}

.hero .container { position: relative; }

.hero-inner { max-width: 800px; }

.hero p.lead { margin-bottom: 1.8rem; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 0.4rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
  padding: 0;
  list-style: none;
}
.chips li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  font-size: 0.9rem;
  color: var(--text);
  margin: 0;
}
.chips li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* --------------------------------------------------------------------------
   Bande de chiffres
   -------------------------------------------------------------------------- */

.stats-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.4rem;
}
.stat .num {
  display: block;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}
.stat .label { color: var(--text); font-size: 0.98rem; }
.stat .src { display: block; margin-top: 0.5rem; font-size: 0.82rem; color: var(--text-2); }
.stat .src a { color: var(--text-2); text-decoration: underline; text-underline-offset: 2px; }
.stat .src a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Cartes et grilles
   -------------------------------------------------------------------------- */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.8rem 1.6rem;
  display: flex;
  flex-direction: column;
}

.card:hover { border-color: var(--accent-border); }

.card h3 { margin-bottom: 0.5rem; }
.card p:last-of-type { margin-bottom: 0; }
.card .card-link { margin-top: auto; padding-top: 1rem; font-weight: 700; }

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 700;
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.8rem;
  margin-bottom: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.audience-card { padding: 2.2rem 2rem; }
.audience-card .overline { margin-bottom: 0.2rem; }

/* Listes à coche */
.checklist { list-style: none; padding: 0; }
.checklist li {
  position: relative;
  padding-left: 1.7em;
  margin-bottom: 0.55em;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Étapes (méthode)
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: step;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.6rem 1.4rem;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: "Caveat", cursive;
  font-size: 2rem;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.7rem;
}
.step h3 { font-size: 1.08rem; }
.step p { font-size: 0.95rem; color: var(--text-2); margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Citation manuscrite
   -------------------------------------------------------------------------- */

.handwritten {
  font-family: "Caveat", cursive;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--white);
  line-height: 1.35;
}

blockquote {
  margin: 2rem 0;
  padding: 1.4rem 1.6rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-card);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
}
blockquote p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   FAQ (details natifs)
   -------------------------------------------------------------------------- */

.faq-list { max-width: 820px; margin: 0 auto; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 3rem 1.15rem 1.4rem;
  font-weight: 700;
  color: var(--white);
  position: relative;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 400;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-body { padding: 0 1.4rem 1.3rem; color: var(--text); }
.faq-item .faq-body p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Bandeau CTA final
   -------------------------------------------------------------------------- */

.cta-banner {
  background: linear-gradient(135deg, var(--bg-light), var(--bg-card));
  border: 1px solid var(--accent-border);
  border-radius: var(--r-lg);
  padding: 3rem 2.5rem;
  text-align: center;
}
.cta-banner h2 { margin-bottom: 0.5rem; }
.cta-banner p { max-width: 620px; margin: 0 auto 1.6rem; }

/* --------------------------------------------------------------------------
   Tableaux
   -------------------------------------------------------------------------- */

.table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: var(--r-lg); border: 1px solid var(--border); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  font-size: 0.97rem;
  min-width: 560px;
}
th, td {
  text-align: left;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--white);
  background: var(--bg-light);
  font-weight: 700;
  white-space: nowrap;
}
tr:last-child td { border-bottom: none; }

/* --------------------------------------------------------------------------
   Formulaires
   -------------------------------------------------------------------------- */

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.8rem;
}

.form-row { margin-bottom: 1.2rem; }

label {
  display: block;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
  font-size: 0.97rem;
}
label .optional { font-weight: 400; color: var(--text-2); font-size: 0.88rem; }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.8rem 1rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
textarea { min-height: 140px; resize: vertical; }

.checkbox-row {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-2);
}
.checkbox-row input { margin-top: 0.3rem; width: 18px; height: 18px; accent-color: var(--accent); flex-shrink: 0; }
.checkbox-row label { font-weight: 400; color: var(--text-2); margin: 0; }

/* --------------------------------------------------------------------------
   Blog : index et cartes
   -------------------------------------------------------------------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.2rem;
}
.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover { border-color: var(--accent-border); transform: translateY(-3px); }

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 0.8rem;
}
.post-cat {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.15rem 0.75rem;
  font-weight: 700;
  font-size: 0.8rem;
}

.post-card h2, .post-card h3 { font-size: 1.15rem; line-height: 1.35; margin-bottom: 0.6rem; }
.post-card h2 a, .post-card h3 a { color: var(--white); }
.post-card h2 a:hover, .post-card h3 a:hover { color: var(--accent); text-decoration: none; }
.post-card p { font-size: 0.95rem; color: var(--text-2); margin-bottom: 0; }
.post-card .card-link { margin-top: auto; padding-top: 1.1rem; font-weight: 700; font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   Blog : page article
   -------------------------------------------------------------------------- */

.breadcrumb {
  font-size: 0.88rem;
  color: var(--text-2);
  margin-bottom: 1.6rem;
}
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-hidden] { margin: 0 0.4rem; }

.article-header { padding: 3.5rem 0 2rem; }
.article-header h1 { max-width: 820px; }

.article-body {
  max-width: var(--maxw-text);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.article-body h2 {
  margin-top: 2.6em;
  padding-top: 0.4em;
}
.article-body h3 { margin-top: 1.8em; }

.article-body a { text-decoration: underline; text-underline-offset: 3px; }

.key-points {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.6rem;
  margin: 2rem 0;
}
.key-points h2, .key-points h3 {
  margin: 0 0 0.8rem;
  padding: 0;
  font-size: 1.05rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.key-points ul { margin-bottom: 0; }

.article-cta {
  background: linear-gradient(135deg, var(--bg-light), var(--bg-card));
  border: 1px solid var(--accent-border);
  border-radius: var(--r-lg);
  padding: 1.8rem 1.7rem;
  margin: 2.5rem 0;
}
.article-cta h3 { margin-top: 0; }
.article-cta p { margin-bottom: 1.2rem; }

.article-sources {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-2);
}
.article-sources h2 { font-size: 1.05rem; margin-top: 0; padding-top: 0; }
.article-sources li { margin-bottom: 0.4em; }

.related {
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
  padding-top: 2rem;
}
.related h2 { font-size: 1.2rem; margin-top: 0; padding-top: 0; }
.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 0.6em; }
.related li::before { content: "→ "; color: var(--accent); }

/* --------------------------------------------------------------------------
   Pages légales et contenu simple
   -------------------------------------------------------------------------- */

.legal h2 { margin-top: 2.2em; font-size: 1.3rem; }
.legal h3 { margin-top: 1.6em; }

/* --------------------------------------------------------------------------
   Carrousel témoignages
   -------------------------------------------------------------------------- */

.temoignages-carrousel { position: relative; }
.temoignages-fenetre { overflow: hidden; }
.temoignages-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.4s ease;
  align-items: stretch;
}
.carrousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.carrousel-btn {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}
.carrousel-btn:hover { background: var(--bg-light); border-color: var(--accent); }
.carrousel-btn:disabled { opacity: 0.3; cursor: default; }
.carrousel-dots { display: flex; gap: 0.5rem; }
.carrousel-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.15s ease;
}
.carrousel-dot.actif { background: var(--accent); }
.temoignage {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  flex: 0 0 calc(50% - 0.75rem);
  min-width: calc(50% - 0.75rem);
  box-sizing: border-box;
}
.temoignage:hover { border-color: var(--accent-border); box-shadow: var(--shadow); }
.temoignage blockquote {
  font-size: 0.94rem;
  line-height: 1.75;
  font-style: italic;
  flex: 1;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
}
.temoignage .auteur { padding-top: 1rem; border-top: 1px solid var(--border); }
.temoignage .auteur strong { display: block; font-family: "Caveat", cursive; font-size: 1.25rem; font-weight: 500; color: var(--accent); }
.temoignage .auteur span { font-size: 0.82rem; color: var(--text-2); }

@media (max-width: 900px) {
  .temoignage { flex: 0 0 100%; min-width: 100%; }
}

/* --------------------------------------------------------------------------
   Formations (catalogue avec tarifs)
   -------------------------------------------------------------------------- */

.formation {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.15s ease;
}
.formation:hover { border-color: var(--accent-border); }
.formation-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.formation h3 { margin-bottom: 0.3rem; }
.formation .meta { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: 0.82rem; color: var(--text-2); margin: 0.8rem 0; }
.formation .tarif-pill {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}
.formation .programme { margin: 1rem 0 0; padding-left: 1.1rem; }
.formation .programme li { font-size: 0.9rem; margin-bottom: 0.3rem; color: var(--text); }

/* --------------------------------------------------------------------------
   Page cas d'usage : filtres
   -------------------------------------------------------------------------- */

.filtres { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin: 2rem 0 2.5rem; }
.filtre-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filtre-btn:hover { border-color: var(--accent); color: var(--white); }
.filtre-btn.actif { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 700; }
.usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.usecase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}
.usecase:hover { border-color: var(--accent-border); transform: translateY(-3px); box-shadow: var(--shadow); }
.usecase .uc-secteur { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-weight: 700; }
.usecase h3 { font-size: 1.05rem; margin: 0.4rem 0 0.7rem; }
.usecase .uc-pb { font-size: 0.88rem; color: var(--text-2); margin-bottom: 0.6rem; }
.usecase .uc-sol { font-size: 0.88rem; margin-bottom: 0.9rem; flex: 1; }
.usecase .uc-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 0.8rem; border-top: 1px solid var(--border); }
.usecase .uc-gain { color: var(--accent); font-weight: 700; font-size: 0.85rem; }
.usecase .uc-niv { font-size: 0.72rem; color: var(--text-2); }
.uc-vide { text-align: center; color: var(--text-2); padding: 2rem; display: none; }

@media (max-width: 960px) {
  .usecases-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .usecases-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Page à propos : photo
   -------------------------------------------------------------------------- */

.apropos-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: center; }
.apropos-photo {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--bg-card);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 0.9rem;
  text-align: center;
  padding: 0;
}
.apropos-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .apropos-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* --------------------------------------------------------------------------
   Ancres de page (sommaire local)
   -------------------------------------------------------------------------- */

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 2.5rem;
  padding: 0;
  list-style: none;
}
.anchor-nav a {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.92rem;
  color: var(--text);
}
.anchor-nav a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-grid h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-2);
  margin-bottom: 1rem;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.55em; }
.footer-grid a { color: var(--text); }
.footer-grid a:hover { color: var(--accent); text-decoration: none; }

.email-line { display: inline-flex; align-items: center; gap: 0.4em; }
.copy-email {
  background: none;
  border: none;
  padding: 0.15em;
  cursor: pointer;
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.copy-email:hover { color: var(--accent); }
.copy-email svg { width: 15px; height: 15px; }
.copy-email .copy-feedback {
  font-size: 0.78rem;
  margin-left: 0.3em;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.copy-email.copied .copy-feedback { opacity: 1; }

.footer-baseline { color: var(--text-2); margin-top: 0.8rem; max-width: 320px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  justify-content: space-between;
  color: var(--text-2);
  font-size: 0.88rem;
}
.footer-bottom a { color: var(--text-2); }
.footer-bottom a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Utilitaires
   -------------------------------------------------------------------------- */

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.center { text-align: center; }
.muted { color: var(--text-2); }
.small { font-size: 0.9rem; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .grid-3, .post-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  .site-nav .btn { margin-top: 1rem; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .section { padding: 3.2rem 0; }
  .hero { padding: 3rem 0 2.8rem; }
  .grid-2, .grid-3, .post-grid, .steps, .stats-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .cta-banner { padding: 2.2rem 1.4rem; }
  .hero-ctas .btn { width: 100%; }
  .card, .audience-card { padding: 1.5rem 1.3rem; }
  .form-card { padding: 1.5rem 1.2rem; }
}

/* Respect des préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}