/* ============================================================
   capitaltalentinvest.fr — HP Flottante
   Feuille de style principale — mobile-first
   Breakpoints : 480 px · 768 px · 1024 px · 1280 px
   ============================================================ */

:root {
  --bleu-fonce: #0A2540;    /* titres, texte fort, fonds sombres */
  --bleu-primaire: #1479C0; /* couleur de marque, boutons secondaires, liens */
  --cyan: #2EC5E8;          /* dégradés, accents, hover */
  --vert-accent: #78C93C;   /* CTA principaux, badges "100 % financé", coches */
  --vert-fonce: #5AA82B;    /* hover des CTA verts */
  --gris-texte: #3D4B5C;    /* corps de texte */
  --gris-clair: #F4F7FA;    /* fonds de sections alternées */
  --blanc: #FFFFFF;

  --degrade-marque: linear-gradient(135deg, #0A2540 0%, #1479C0 60%, #2EC5E8 100%);
  --radius: 12px;
  --ombre-douce: 0 6px 24px rgba(10, 37, 64, 0.08);
  --ombre-carte: 0 2px 12px rgba(10, 37, 64, 0.06);
  --font-titres: 'Poppins', system-ui, sans-serif;
  --font-texte: 'Inter', system-ui, sans-serif;
  --nav-h: 68px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  margin: 0;
  font-family: var(--font-texte);
  font-weight: 400;
  color: var(--gris-texte);
  background: var(--blanc);
  line-height: 1.65;
  font-size: clamp(0.98rem, 0.92rem + 0.25vw, 1.06rem);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-titres);
  color: var(--bleu-fonce);
  line-height: 1.22;
  margin: 0 0 0.6em;
}
h1 { font-weight: 700; font-size: clamp(1.75rem, 1.2rem + 2.6vw, 2.9rem); }
h2 { font-weight: 700; font-size: clamp(1.45rem, 1.1rem + 1.7vw, 2.2rem); }
h3 { font-weight: 600; font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem); }

p { margin: 0 0 1em; }
a { color: var(--bleu-primaire); text-decoration: none; }
a:hover { color: var(--cyan); }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: min(100% - 2.5rem, 1180px);
  margin-inline: auto;
}

section { padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0; }

.bg-gris { background: var(--gris-clair); }
.bg-fonce { background: var(--bleu-fonce); }
.bg-degrade { background: var(--degrade-marque); }

.surtitre {
  display: block;
  font-family: var(--font-titres);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bleu-primaire);
  margin-bottom: 0.9rem;
}
.bg-degrade .surtitre,
.bg-fonce .surtitre { color: var(--cyan); }

.section-intro { max-width: 780px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-titres);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.9rem 1.7rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-vert {
  background: var(--vert-accent);
  color: var(--bleu-fonce);
}
.btn-vert:hover { background: var(--vert-fonce); color: var(--bleu-fonce); }

.btn-contour-blanc {
  background: transparent;
  color: var(--blanc);
  border-color: var(--blanc);
}
.btn-contour-blanc:hover { background: rgba(255, 255, 255, 0.14); color: var(--blanc); }

.btn-large { font-size: 1.08rem; padding: 1.05rem 2.1rem; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanc);
  transition: box-shadow 0.25s ease;
}
.nav.scrolled { box-shadow: 0 2px 14px rgba(10, 37, 64, 0.12); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--nav-h);
}

.nav-logo { display: flex; align-items: center; gap: 0.6rem; }
.nav-logo img { height: 44px; width: auto; }
.nav-logo span {
  font-family: var(--font-titres);
  font-weight: 700;
  color: var(--bleu-fonce);
  font-size: 1.02rem;
  line-height: 1.15;
}

.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.4rem;
  align-items: center;
}
.nav-links a {
  color: var(--bleu-fonce);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--bleu-primaire); }

.nav-cta { display: none; }

.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--bleu-fonce);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-mobile {
  display: none;
  background: var(--blanc);
  border-top: 1px solid var(--gris-clair);
  box-shadow: 0 10px 20px rgba(10, 37, 64, 0.1);
}
.menu-mobile.open { display: block; }
.menu-mobile ul { list-style: none; margin: 0; padding: 0.5rem 0; }
.menu-mobile a {
  display: block;
  padding: 0.85rem 1.25rem;
  color: var(--bleu-fonce);
  font-weight: 500;
}
.menu-mobile .menu-cta { padding: 0.75rem 1.25rem 1.1rem; }
.menu-mobile .menu-cta .btn { width: 100%; }

/* Barre CTA sticky mobile (bas d'écran) */
.cta-mobile {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 0.7rem 1rem calc(0.7rem + env(safe-area-inset-bottom));
  background: var(--blanc);
  box-shadow: 0 -4px 18px rgba(10, 37, 64, 0.15);
  transform: translateY(110%);
  transition: transform 0.3s ease;
}
.cta-mobile.visible { transform: translateY(0); }
.cta-mobile .btn { display: block; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background: var(--degrade-marque);
  color: var(--blanc);
  padding-top: clamp(3rem, 2rem + 4vw, 5rem);
  padding-bottom: 0;
}
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: clamp(3.5rem, 2.5rem + 4vw, 6rem);
}
.hero h1 { color: var(--blanc); }
.hero .sous-titre {
  font-size: clamp(1.02rem, 0.95rem + 0.4vw, 1.18rem);
  color: rgba(255, 255, 255, 0.92);
  max-width: 560px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin: 1.4rem 0 1.8rem;
  padding: 0;
  list-style: none;
}
.badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--blanc);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.42rem 0.9rem;
}
.badges .coche { color: var(--vert-accent); font-weight: 700; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-visuel { position: relative; }
.hero-visuel img {
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(10, 37, 64, 0.35);
  width: 100%;
}
.hero-visuel .etiquette {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: var(--bleu-fonce);
  color: var(--blanc);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
}

/* Bandeau chiffres */
.stats {
  background: var(--blanc);
  padding: 0;
}
.stats-grid {
  display: grid;
  gap: 1.1rem;
  transform: translateY(-2.6rem);
  margin-bottom: -1.2rem;
}
.stat-carte {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre-douce);
  padding: 1.5rem 1.6rem;
  text-align: center;
}
.stat-carte .chiffre {
  font-family: var(--font-titres);
  font-weight: 700;
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.5rem);
  color: var(--bleu-primaire);
  line-height: 1.1;
}
.stat-carte .legende { font-size: 0.92rem; margin: 0.45rem 0 0; }

/* ---------- Cartes génériques ---------- */
.grille { display: grid; gap: 1.2rem; margin-top: 2.2rem; }

.carte {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre-carte);
  padding: 1.6rem 1.5rem;
}
.bg-gris .carte { box-shadow: var(--ombre-douce); }

.carte .icone {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(20, 121, 192, 0.1);
  color: var(--bleu-primaire);
  margin-bottom: 0.9rem;
}
.carte .icone svg { width: 24px; height: 24px; }
.carte h3 { margin-bottom: 0.4rem; }
.carte p { margin: 0; font-size: 0.95rem; }

/* Coches listes */
.liste-coches {
  list-style: none;
  padding: 0;
  margin: 1.8rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.6rem;
}
.liste-coches li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--bleu-fonce);
}
.liste-coches .coche { color: var(--vert-accent); font-weight: 700; font-size: 1.1rem; }

/* Encart matériel */
.encart-materiel {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  margin-top: 2.4rem;
  background: var(--gris-clair);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.encart-materiel img { border-radius: 8px; }
.encart-materiel p { margin: 0; }

/* Cas concret — écran de contrôle */
.cas-concret {
  margin-top: 2.4rem;
  background: var(--bleu-fonce);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  color: var(--blanc);
}
.cas-concret .titre-ecran {
  font-family: var(--font-titres);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
}
.releves {
  display: grid;
  gap: 0.8rem;
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.98rem;
}
.releve {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(46, 197, 232, 0.3);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
}
.releve .label { display: block; font-size: 0.78rem; color: rgba(255, 255, 255, 0.65); }
.releve .valeur { color: var(--cyan); font-weight: 700; }
.cas-concret .legende-ecran {
  margin: 1.3rem 0 0;
  font-size: 0.93rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Financement ---------- */
.financement { color: var(--blanc); }
.financement h2 { color: var(--blanc); }
.financement .section-intro { color: rgba(255, 255, 255, 0.9); }
.fiches { display: grid; gap: 1.2rem; margin-top: 2rem; }
.fiche {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(46, 197, 232, 0.35);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.fiche h3 { color: var(--cyan); margin-bottom: 0.3rem; }
.fiche p { margin: 0; color: rgba(255, 255, 255, 0.9); font-size: 0.95rem; }

.badge-zero {
  display: inline-block;
  margin-top: 2rem;
  background: var(--vert-accent);
  color: var(--bleu-fonce);
  font-family: var(--font-titres);
  font-weight: 700;
  font-size: clamp(1.15rem, 1rem + 0.9vw, 1.6rem);
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
}
.mention {
  font-style: italic;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 1.2rem;
}

/* ---------- Éligibilité ---------- */
.note-eligibilite {
  margin-top: 1.8rem;
  background: var(--gris-clair);
  border-left: 4px solid var(--vert-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.1rem 1.3rem;
  font-size: 0.95rem;
}
.centre-cta { text-align: center; margin-top: 2.2rem; }

/* ---------- Frise étapes ---------- */
.frise {
  display: grid;
  gap: 1.6rem;
  margin-top: 2.4rem;
  counter-reset: etape;
}
.etape {
  position: relative;
  padding-left: 3.4rem;
}
.etape::before {
  counter-increment: etape;
  content: counter(etape);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bleu-primaire);
  color: var(--blanc);
  font-family: var(--font-titres);
  font-weight: 700;
  border-radius: 50%;
}
.etape h3 { margin-bottom: 0.25rem; }
.etape p { margin: 0; font-size: 0.94rem; }

.bloc-partenaire {
  display: grid;
  gap: 1.2rem;
  align-items: center;
  margin-top: 2.6rem;
  background: var(--gris-clair);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
}
.bloc-partenaire img { max-height: 72px; width: auto; }
.bloc-partenaire p { margin: 0; }

/* ---------- FAQ ---------- */
.faq-liste { margin-top: 2rem; display: grid; gap: 0.9rem; }
.faq-item {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre-carte);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  font-family: var(--font-titres);
  font-weight: 600;
  color: var(--bleu-fonce);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  flex: none;
  width: 1.6rem;
  height: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gris-clair);
  color: var(--bleu-primaire);
  font-weight: 600;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .reponse { padding: 0 1.3rem 1.2rem; font-size: 0.96rem; }
.faq-item .reponse p { margin: 0; }

/* ---------- Formulaire ---------- */
.form-section { color: var(--blanc); }
.form-section h2 { color: var(--blanc); }
.form-section .section-intro { color: rgba(255, 255, 255, 0.92); }

.formulaire {
  margin-top: 2rem;
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(10, 37, 64, 0.35);
  padding: clamp(1.4rem, 1rem + 2vw, 2.4rem);
  color: var(--gris-texte);
  max-width: 760px;
}
.form-grid { display: grid; gap: 1.1rem; }
.champ label {
  display: block;
  font-weight: 600;
  color: var(--bleu-fonce);
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}
.champ input,
.champ select,
.champ textarea {
  width: 100%;
  font: inherit;
  color: var(--gris-texte);
  background: var(--gris-clair);
  border: 1.5px solid #DCE4EC;
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--bleu-primaire);
  background: var(--blanc);
}
.champ input[type="file"] { padding: 0.6rem 0.9rem; background: var(--blanc); }
.champ textarea { resize: vertical; min-height: 100px; }
.champ .aide { font-size: 0.82rem; color: #6B7A8C; margin: 0.3rem 0 0; }
.champ.invalide input,
.champ.invalide select { border-color: #D64545; }
.champ .erreur-champ {
  display: none;
  color: #C03030;
  font-size: 0.83rem;
  margin: 0.3rem 0 0;
}
.champ.invalide .erreur-champ { display: block; }

.champ-rgpd { display: flex; gap: 0.7rem; align-items: flex-start; }
.champ-rgpd input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  flex: none;
  accent-color: var(--vert-accent);
}
.champ-rgpd label { font-weight: 400; font-size: 0.88rem; margin: 0; color: var(--gris-texte); }

.form-message {
  display: none;
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.form-message.visible { display: block; }
.form-message.succes { background: #EAF7DC; color: #2F5E10; border: 1px solid var(--vert-accent); }
.form-message.erreur { background: #FBEAEA; color: #A22B2B; border: 1px solid #D64545; }

.btn-form { width: 100%; }
.btn-form[disabled] { opacity: 0.7; cursor: wait; }

.form-alt {
  margin-top: 1.4rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}
.form-alt strong { color: var(--blanc); }

/* ---------- Footer ---------- */
.footer {
  background: var(--bleu-fonce);
  color: rgba(255, 255, 255, 0.85);
  padding: 3.2rem 0 1.8rem;
  font-size: 0.93rem;
}
.footer-grid { display: grid; gap: 2rem; }
.footer-marque img { height: 46px; width: auto; margin-bottom: 0.9rem; }
.footer h3 {
  color: var(--blanc);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.footer a { color: rgba(255, 255, 255, 0.85); }
.footer a:hover { color: var(--cyan); }
.footer-bas {
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: grid;
  gap: 0.4rem;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ---------- Pages annexes ---------- */
.page-legale { max-width: 800px; margin-inline: auto; }
.page-legale h1 { margin-bottom: 0.3em; }
.page-legale h2 { font-size: 1.25rem; margin-top: 2em; }
.page-legale .maj { font-style: italic; color: #6B7A8C; }

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .fade-in { opacity: 1; transform: none; }
}

/* ============================================================
   Breakpoints
   ============================================================ */

@media (min-width: 480px) {
  .grille-2-480 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .grille-3 { grid-template-columns: repeat(3, 1fr); }
  .grille-2 { grid-template-columns: repeat(2, 1fr); }
  .grille-4 { grid-template-columns: repeat(2, 1fr); }
  .fiches { grid-template-columns: repeat(2, 1fr); }
  .releves { grid-template-columns: repeat(3, 1fr); }
  .encart-materiel { grid-template-columns: 280px 1fr; }
  .bloc-partenaire { grid-template-columns: auto 1fr; }
  .form-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .btn-form { width: auto; }
  .cta-mobile { display: none; }
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-block; }
  .burger, .menu-mobile { display: none !important; }
  .hero-grid { grid-template-columns: 1.15fr 1fr; }
  .grille-4 { grid-template-columns: repeat(4, 1fr); }
  .frise { grid-template-columns: repeat(5, 1fr); }
  .etape { padding-left: 0; padding-top: 3.4rem; }
  .etape::before { top: 0; left: 0; }
  .frise .etape:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 1.25rem;
    left: 3rem;
    right: -0.8rem;
    height: 2px;
    background: linear-gradient(90deg, var(--bleu-primaire), rgba(20, 121, 192, 0.15));
  }
}

@media (min-width: 1280px) {
  .container { width: min(100% - 3rem, 1220px); }
}