:root {
  --fond: #16191d;
  --fond-2: #1f2429;
  --carte: #252b31;
  --bord: #343c44;
  --texte: #e6eaee;
  --texte-2: #a7b1bb;
  --cyan: #22d3ee;
  --cyan-fonce: #0891b2;
  --rayon: 14px;
  --largeur: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
p { margin: 0 0 1em; }
.conteneur { width: min(var(--largeur), 100% - 32px); margin-inline: auto; }
.section { padding: 88px 0; }
.section.alt { background: var(--fond-2); }
.sur-titre { color: var(--cyan); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; margin-bottom: .6em; }
.intro { color: var(--texte-2); max-width: 640px; margin-bottom: 40px; }

/* En-tête */
.entete {
  position: sticky; top: 0; z-index: 10;
  background: rgba(22, 25, 29, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bord);
}
.entete .conteneur { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.marque { display: flex; align-items: center; gap: 10px; color: var(--texte); font-weight: 700; font-size: 1.15rem; }
.marque:hover { text-decoration: none; }
.marque img { width: 36px; height: 36px; }
.marque span em { font-style: normal; color: var(--cyan); }
.menu { display: flex; gap: 28px; align-items: center; }
.menu a { color: var(--texte-2); font-weight: 500; }
.menu a:hover { color: var(--texte); text-decoration: none; }
.bouton-menu { display: none; background: none; border: 1px solid var(--bord); color: var(--texte); border-radius: 8px; padding: 6px 10px; font-size: 1.2rem; cursor: pointer; }

/* Boutons */
.bouton {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-fonce)); color: #06222a;
  border: 0; transition: transform .15s ease, box-shadow .15s ease;
}
.bouton:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34, 211, 238, .25); }
.bouton.secondaire { background: transparent; color: var(--texte); border: 1px solid var(--bord); }
.bouton.secondaire:hover { border-color: var(--cyan); box-shadow: none; }
.menu .bouton { color: #06222a; padding: 9px 16px; }

/* Bandeau d'accueil */
.accueil { padding: 110px 0 96px; position: relative; overflow: hidden; }
.accueil::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(34, 211, 238, .16), transparent 65%); pointer-events: none;
}
.accueil .conteneur { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; position: relative; }
.accueil h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.accueil h1 em { font-style: normal; color: var(--cyan); }
.accueil p.chapo { font-size: 1.15rem; color: var(--texte-2); max-width: 560px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.atouts { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 32px; color: var(--texte-2); font-size: .95rem; }
.atouts span::before { content: "✓ "; color: var(--cyan); font-weight: 700; }
.terminal {
  background: #0f1215; border: 1px solid var(--bord); border-radius: var(--rayon);
  font: 14px/1.7 ui-monospace, "Cascadia Code", Consolas, monospace; color: var(--texte-2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}
.terminal .barre { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--bord); }
.terminal .barre i { width: 11px; height: 11px; border-radius: 50%; background: #3a434c; }
.terminal pre { margin: 0; padding: 18px 20px; white-space: pre-wrap; }
.terminal .ok { color: var(--cyan); }
.terminal .c { color: #6b7680; }

/* Grilles et cartes */
.grille { display: grid; gap: 22px; }
.grille.quatre { grid-template-columns: repeat(4, 1fr); }
.grille.trois { grid-template-columns: repeat(3, 1fr); }
.carte {
  background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon);
  padding: 28px; transition: border-color .2s ease, transform .2s ease;
}
.carte:hover { border-color: rgba(34, 211, 238, .5); transform: translateY(-3px); }
.carte .icone {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(34, 211, 238, .12); color: var(--cyan);
}
.carte .icone svg { width: 24px; height: 24px; }
.carte h3 { font-size: 1.15rem; }
.carte p, .carte li { color: var(--texte-2); font-size: .97rem; }
.carte ul { padding-left: 1.1em; margin: 0; }

/* Tarifs */
.tarif { display: flex; flex-direction: column; }
.tarif .prix { font-size: 2.1rem; font-weight: 800; color: var(--texte); margin: 6px 0 2px; }
.tarif .prix small { font-size: .9rem; font-weight: 500; color: var(--texte-2); }
.tarif .detail { color: var(--texte-2); font-size: .9rem; margin-bottom: 16px; }
.tarif ul { list-style: none; padding: 0; margin: 0 0 22px; }
.tarif li { padding: 6px 0; border-bottom: 1px solid var(--bord); }
.tarif li::before { content: "✓ "; color: var(--cyan); }
.tarif .bouton { margin-top: auto; text-align: center; }
.tarif.vedette { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan) inset; position: relative; }
.etiquette {
  position: absolute; top: -12px; right: 20px; background: var(--cyan); color: #06222a;
  font-size: .75rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.tableau-tarifs { width: 100%; border-collapse: collapse; margin-top: 36px; background: var(--carte); border-radius: var(--rayon); overflow: hidden; }
.tableau-tarifs th, .tableau-tarifs td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--bord); }
.tableau-tarifs th { color: var(--texte-2); font-weight: 600; font-size: .9rem; }
.tableau-tarifs td:last-child { text-align: right; font-weight: 700; white-space: nowrap; }
.mention { color: var(--texte-2); font-size: .85rem; margin-top: 14px; }
.bandeau-asso {
  margin-top: 28px; padding: 18px 22px; border-radius: var(--rayon);
  background: rgba(34, 211, 238, .08); border: 1px dashed rgba(34, 211, 238, .5);
}

/* Étapes */
.etapes { counter-reset: etape; }
.etapes .carte h3::before {
  counter-increment: etape; content: counter(etape, decimal-leading-zero);
  display: block; color: var(--cyan); font-size: .9rem; margin-bottom: 8px; letter-spacing: .1em;
}

/* Référence */
.reference { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.reference blockquote { margin: 0; padding-left: 20px; border-left: 3px solid var(--cyan); color: var(--texte-2); }
.chiffres { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.chiffres div { background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 20px; }
.chiffres strong { display: block; font-size: 1.5rem; color: var(--cyan); }
.chiffres span { color: var(--texte-2); font-size: .9rem; }

/* FAQ */
.faq details { background: var(--carte); border: 1px solid var(--bord); border-radius: 12px; padding: 18px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--texte-2); margin: 12px 0 0; }

/* Contact */
.contact { text-align: center; }
.contact .intro { margin-inline: auto; }
.contact .adresse-mail { font-size: clamp(1.2rem, 3vw, 1.7rem); font-weight: 700; display: inline-block; margin: 8px 0 26px; }

/* Pied de page */
.pied { border-top: 1px solid var(--bord); padding: 32px 0; color: var(--texte-2); font-size: .9rem; }
.pied .conteneur { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.pied a { color: var(--texte-2); }

/* Page de texte (mentions légales) */
.page-texte { padding: 64px 0 88px; }
.page-texte .conteneur { max-width: 820px; }
.page-texte h2 { font-size: 1.3rem; margin-top: 2em; }
.page-texte p, .page-texte li { color: var(--texte-2); }

/* Apparition au défilement */
.apparait { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.apparait.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .apparait { opacity: 1; transform: none; transition: none; }
  .carte, .bouton { transition: none; }
}

/* Écrans moyens et petits */
@media (max-width: 980px) {
  .grille.quatre { grid-template-columns: repeat(2, 1fr); }
  .grille.trois { grid-template-columns: 1fr; }
  .accueil .conteneur, .reference { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .accueil { padding: 72px 0 64px; }
  .grille.quatre { grid-template-columns: 1fr; }
  .bouton-menu { display: block; }
  .menu {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--fond-2); border-bottom: 1px solid var(--bord);
  }
  .menu.ouvert { display: flex; }
  .menu a { padding: 14px 16px; width: 100%; }
  .menu .bouton { margin: 8px 16px 16px; width: calc(100% - 32px); text-align: center; }
  .tableau-tarifs th, .tableau-tarifs td { padding: 12px; font-size: .92rem; }
}