@font-face {
  font-family: "Inter var";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-variable.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-alt: #081a2a;
  --panel: rgba(12, 28, 43, 0.72);
  --line: rgba(135, 176, 197, 0.16);
  --text: #eaf2f8;
  --muted: #9db2c4;
  --accent: #46dccb;
  --accent-strong: #4d8cff;
  --maxw: 1120px;
  font-family: "Inter var", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }

body {
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at 12% 8%, rgba(28, 126, 145, 0.22), transparent 34rem),
    radial-gradient(circle at 92% 82%, rgba(51, 93, 171, 0.18), transparent 36rem),
    linear-gradient(160deg, #07111f 0%, #081725 52%, #07121c 100%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { letter-spacing: -0.03em; line-height: 1.05; margin: 0; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0 1.2rem;
  border-radius: 0.7rem;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #04201d;
  background: linear-gradient(120deg, #78eedc, #43cdc6);
  box-shadow: 0 8px 30px rgba(70, 220, 203, 0.22);
}
.btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(4, 15, 25, 0.5);
}
.btn-lg { min-height: 3.3rem; padding: 0 1.8rem; font-size: 1.05rem; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 15, 26, 0.72);
  backdrop-filter: blur(14px);
}
.nav-brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.04em; }
.brand-mark { display: block; }
.nav-links { display: flex; align-items: center; gap: 0.6rem; }
.nav-link {
  padding: 0.4rem 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: color 0.12s ease;
}
.nav-link:hover { color: var(--accent); }

/* ---------- Layout sections ---------- */
main { display: block; }
.hero, .section {
  width: min(var(--maxw), 100%);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 4vw, 2.5rem);
}
.section-alt {
  width: 100%;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background: linear-gradient(180deg, rgba(8, 26, 42, 0), rgba(8, 26, 42, 0.55), rgba(8, 26, 42, 0));
}
/* Marges calculées et non `auto` : avec des marges auto, tout enfant plus étroit
   que la colonne (h2 borné en ch, .section-lead) se centre sur le viewport alors
   que les grilles de cartes occupent la colonne entière — bords gauches
   désalignés dès que l'écran dépasse --maxw. */
.section-alt > * {
  margin-left: max(calc((100% - var(--maxw)) / 2), 0px);
  margin-right: max(calc((100% - var(--maxw)) / 2), 0px);
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.section h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); max-width: 22ch; }
.section-lead { max-width: 58ch; margin-top: 1rem; color: var(--muted); font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(3.5rem, 9vw, 7rem); text-align: left; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 5rem); max-width: 16ch; }
.hero .lead { max-width: 46rem; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }

/* ---------- Cartes bénéfices ---------- */
.cards {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  padding: 1.4rem 1.4rem 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}
.card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.card p { margin: 0; color: var(--muted); }

/* ---------- Étapes ---------- */
.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  counter-reset: none;
}
.step {
  padding: 1.4rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}
.step-num {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.9rem;
  border-radius: 0.6rem;
  font-weight: 800;
  color: #04201d;
  background: linear-gradient(135deg, #7cf3df, #35c5bd);
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.step p { margin: 0; color: var(--muted); }

/* ---------- Assurances ---------- */
/* Mêmes métriques que .cards/.steps (marge, colonnes, gouttière, remplissage,
   arrondi, fond) : ces trois grilles se superposent dans la page, et des
   valeurs voisines mais distinctes suffisaient à décaler visiblement les
   colonnes de ce bloc par rapport aux autres. */
.assurances {
  /* Pas de raccourci `margin:` ni `padding:` ici : de même spécificité mais
     déclarés plus bas, ils écraseraient les marges et remplissages latéraux
     posés par .section-alt > * et décaleraient la grille hors de la colonne
     commune. Le remplissage UA de la liste est déjà couvert par cette règle. */
  margin-top: 2.5rem;
  margin-bottom: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.assurances li {
  padding: 1.4rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
}
.assurances strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
  color: var(--text);
}
.assurances p { margin: 0; }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact h2 { margin-left: auto; margin-right: auto; }
.contact .section-lead { margin-left: auto; margin-right: auto; }
.contact .btn { margin-top: 1.8rem; }
.assurance-line { margin-top: 0.9rem; color: var(--muted); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  .nav-links .btn-ghost { display: none; }
  .nav-links .nav-link { display: none; }
  .hero h1 { font-size: clamp(2.2rem, 9vw, 3rem); }
}