/* Design system partagé du site Paul (pages de contenu). */
:root {
  --nuit: #0d1b2a;
  --cyan: #01a4e2;
  --vert: #66bd65;
  --orange: #ffbd59;
  --gris: #6b7280;
  --gris-clair: #f1f5f9;
  --bord: #e2e8f0;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Montserrat', Arial, sans-serif;
  color: var(--nuit);
  line-height: 1.65;
  background: #fff;
}
a {
  color: var(--cyan);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.narrow {
  max-width: 820px;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  transition:
    transform 0.08s ease,
    opacity 0.15s ease;
}
.btn:hover {
  text-decoration: none;
  opacity: 0.92;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--cyan);
  color: #fff;
}
.btn-dark {
  background: var(--nuit);
  color: #fff;
}
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

/* En-tête */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bord);
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--nuit);
}
.brand:hover {
  text-decoration: none;
}
.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 600;
  font-size: 15px;
}
.nav-links a.muted {
  color: var(--gris);
}
.nav-links a.muted:hover {
  color: var(--nuit);
  text-decoration: none;
}
@media (max-width: 760px) {
  .nav-links .hide-sm {
    display: none;
  }
}

/* Fil d'Ariane */
.breadcrumb {
  font-size: 13px;
  color: var(--gris);
  padding: 18px 0 0;
}
.breadcrumb a {
  color: var(--gris);
}

/* Hero de sous-page */
.hero-sm {
  background: radial-gradient(120% 120% at 80% 0%, #12304a 0%, var(--nuit) 60%);
  color: #fff;
  padding: 64px 0 76px;
}
.hero-sm .eyebrow {
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-sm h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-top: 10px;
  max-width: 760px;
}
.hero-sm p.sub {
  margin: 20px 0 0;
  font-size: clamp(16px, 2.2vw, 19px);
  color: rgba(255, 255, 255, 0.8);
  max-width: 660px;
}
.hero-sm .cta {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Sections de contenu */
section.block {
  padding: 72px 0;
}
section.alt {
  background: var(--gris-clair);
}
h2.title {
  font-size: clamp(24px, 3.4vw, 33px);
  font-weight: 800;
  letter-spacing: -0.4px;
}
.lead {
  color: var(--gris);
  font-size: 17px;
  margin-top: 12px;
  max-width: 680px;
}
.prose p {
  margin: 14px 0;
  font-size: 17px;
  color: #1f2a37;
}
.prose h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 40px 0 6px;
}
.prose h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 26px 0 4px;
}

/* Listes à puces stylées */
ul.checks {
  list-style: none;
  margin: 18px 0;
  display: grid;
  gap: 12px;
}
ul.checks li {
  position: relative;
  padding-left: 32px;
  font-size: 16px;
  color: #1f2a37;
}
ul.checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: rgba(1, 164, 226, 0.12);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2301A4E2' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Grille de mini-cartes */
.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.card {
  border: 1px solid var(--bord);
  border-radius: 16px;
  padding: 24px;
  background: #fff;
}
.card h3 {
  font-size: 18px;
  font-weight: 700;
}
.card p {
  color: var(--gris);
  font-size: 15px;
  margin-top: 8px;
}
.ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  margin-bottom: 14px;
  background: rgba(1, 164, 226, 0.12);
}

/* Bande CTA */
.final {
  background: var(--nuit);
  color: #fff;
  border-radius: 24px;
  padding: 52px 40px;
  text-align: center;
}
.final h2 {
  font-size: clamp(24px, 3.6vw, 33px);
  font-weight: 800;
}
.final p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 12px;
  font-size: 17px;
}
.final .cta {
  margin-top: 26px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Liens "autres fonctionnalités" */
.morelinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.morelinks a {
  border: 1px solid var(--bord);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--nuit);
}
.morelinks a:hover {
  border-color: var(--cyan);
  text-decoration: none;
}

/* Pied */
footer.site {
  padding: 48px 0 40px;
  border-top: 1px solid var(--bord);
  color: var(--gris);
  font-size: 14px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.foot a {
  color: var(--gris);
}
.foot a:hover {
  color: var(--nuit);
}
.foot-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.copy {
  margin-top: 26px;
}