/* ============================================
   ELZON — Design System
   ============================================ */

:root {
  --navy:       #1F3864;
  --blue:       #2E86C1;
  --white:      #FFFFFF;
  --gray-light: #F4F6F8;
  --gray-text:  #444444;
  --gray-border:#D8DDE3;
  --font:       Arial, Helvetica, sans-serif;
  --radius:     4px;
  --shadow:     0 2px 12px rgba(31,56,100,0.10);
  --transition: 0.2s ease;
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-text);
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Typographie ---- */
h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
}
h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.3;
}
h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
}
p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.4rem; margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }

/* ---- Layout ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 72px 0;
}
.section--alt {
  background: var(--gray-light);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 8px rgba(31,56,100,0.10);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav__logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.nav__logo:hover { text-decoration: none; color: var(--blue); }

.nav__menu {
  display: flex;
  list-style: none;
  gap: 8px;
  padding: 0;
  margin: 0;
  align-items: center;
}
.nav__menu > li {
  position: relative;
  margin: 0;
}
.nav__menu > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-text);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav__menu > li > a:hover,
.nav__menu > li > a.active {
  color: var(--navy);
  background: var(--gray-light);
  text-decoration: none;
}

/* Dropdown */
.nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 240px;
  padding: 6px 0;
  list-style: none;
  margin: 0;
}
.nav__menu > li:hover .nav__dropdown { display: block; }
.nav__dropdown li { margin: 0; }
.nav__dropdown a {
  display: block;
  padding: 10px 18px;
  font-size: 0.9rem;
  color: var(--gray-text);
  transition: background var(--transition), color var(--transition);
}
.nav__dropdown a:hover {
  background: var(--gray-light);
  color: var(--navy);
  text-decoration: none;
}

/* CTA nav */
.nav__cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  border-radius: var(--radius) !important;
  padding: 8px 18px !important;
}
.nav__cta:hover {
  background: var(--blue) !important;
  color: var(--white) !important;
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   BOUTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 13px 28px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
}
.btn--primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn--primary:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  text-decoration: none;
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn--outline:hover {
  background: var(--white);
  color: var(--navy);
  text-decoration: none;
}
.btn--blue {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--blue:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  text-decoration: none;
}

/* ============================================
   HERO (page d'accueil)
   ============================================ */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 100px 0 80px;
  text-align: center;
}
.hero h1 {
  color: var(--white);
  font-size: 2.75rem;
  max-width: 760px;
  margin: 0 auto 20px;
}
.hero__sub {
  font-size: 1.2rem;
  max-width: 620px;
  margin: 0 auto 40px;
  opacity: 0.9;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__badge {
  display: inline-block;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}

/* ============================================
   CARTES (cibles / offres / prestations)
   ============================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--blue);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 12px; }
.card p { flex: 1; margin-bottom: 20px; }
.card .btn { align-self: flex-start; }

/* Carte offre */
.card--offre {
  border-left: 4px solid var(--navy);
}
.card--offre .card__price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin: 16px 0 8px;
}
.card--offre .card__price span {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--gray-text);
}

/* ============================================
   PAGE OFFRE (détail)
   ============================================ */
.offre-header {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0 48px;
}
.offre-header h1 { color: var(--white); }
.offre-header .offre-header__sub {
  font-size: 1.1rem;
  max-width: 680px;
  opacity: 0.9;
  margin-top: 12px;
}
.offre-header__price {
  display: inline-block;
  margin-top: 24px;
  background: rgba(255,255,255,0.15);
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 1.4rem;
  font-weight: 700;
}

.offre-body {
  padding: 64px 0;
}
.offre-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
@media (max-width: 700px) {
  .offre-cols { grid-template-columns: 1fr; }
}

.inclus-list {
  list-style: none;
  padding: 0;
}
.inclus-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-border);
  padding-left: 28px;
  position: relative;
}
.inclus-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}
.exclus-list {
  list-style: none;
  padding: 0;
}
.exclus-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-border);
  padding-left: 28px;
  position: relative;
  color: #777;
}
.exclus-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: #bbb;
}

.offre-options {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 40px;
}
.offre-options h3 { margin-bottom: 12px; }

/* ============================================
   SECTION TEXTE CENTRÉ
   ============================================ */
.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.section-intro p { font-size: 1.08rem; }

/* ============================================
   CHIFFRES CLÉS
   ============================================ */
.stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  margin-top: 48px;
}
.stat {
  text-align: center;
}
.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.stat__label {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-top: 6px;
}

/* ============================================
   BANDEAU CTA
   ============================================ */
.cta-band {
  background: var(--blue);
  color: var(--white);
  text-align: center;
  padding: 64px 0;
}
.cta-band h2 { color: var(--white); margin-bottom: 12px; }
.cta-band p { opacity: 0.9; margin-bottom: 32px; font-size: 1.08rem; }

/* ============================================
   PAGE GÉNÉRIQUE (contenu Markdown)
   ============================================ */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0 44px;
}
.page-header h1 { color: var(--white); }
.page-header p {
  opacity: 0.88;
  max-width: 640px;
  margin-top: 12px;
  font-size: 1.05rem;
}
.page-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px;
}
.page-content h2 { margin-top: 40px; margin-bottom: 12px; }
.page-content h3 { margin-top: 28px; margin-bottom: 8px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 4px solid var(--navy);
  background: var(--white);
  padding: 40px 0 28px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}
.footer__brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}
.footer__brand p {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--gray-text);
  margin-top: 6px;
  letter-spacing: 0;
}
.footer__links {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.footer__col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer__col ul li { margin-bottom: 7px; }
.footer__col ul a {
  font-size: 0.9rem;
  color: var(--gray-text);
  transition: color var(--transition);
}
.footer__col ul a:hover { color: var(--navy); text-decoration: none; }
.footer__bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-border);
  font-size: 0.82rem;
  color: #888;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .nav__menu { display: none; }
  .nav__menu.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 12px 0 20px;
    box-shadow: var(--shadow);
    z-index: 99;
    gap: 0;
  }
  .nav__menu.is-open > li > a { padding: 12px 24px; }
  .nav__dropdown {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--gray-border);
    margin-left: 24px;
    padding: 0;
    display: block;
  }
  .nav__toggle { display: flex; }
  .hero h1 { font-size: 2rem; }
  .stats { gap: 32px; }
  .footer__inner { flex-direction: column; }
  .footer__links { flex-direction: column; gap: 24px; }
}
@media (max-width: 600px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .section { padding: 48px 0; }
  .hero { padding: 64px 0 56px; }
  .hero__sub { font-size: 1rem; }
  .cards { grid-template-columns: 1fr; }
}