:root {
  --navy: #0b1f4a;        /* titres, texte fort */
  --blue: #1f5594;        /* accent principal */
  --blue-bright: #2d6cb8; /* accent du titre */
  --text: #2b3a55;        /* texte courant */
  --tint: #eef4fc;        /* fonds des encarts */
  --line: #cfdcee;        /* filets et bordures */
  --white: #ffffff;
  --font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 70rem;
  margin: 0;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--blue-bright); outline-offset: 3px; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(2.5rem, 8vw, 6rem); padding-bottom: clamp(2.5rem, 6vw, 4rem); }

.brand {
  margin: 0;
  font-size: clamp(1.6rem, 7vw, 3.8rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--navy);
}

.bar {
  display: block;
  width: 4.8rem;
  height: 0.3rem;
  margin: 1.4rem 0 clamp(2rem, 6vw, 3.5rem);
  background: var(--blue-bright);
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.accent { display: block; color: var(--blue-bright); }

.subtitle {
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--navy);
}

.intro {
  max-width: 38rem;
  margin: 1.5rem 0 2rem;
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--text);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.btn:hover { background: var(--blue); }

/* ---------- Encarts ---------- */
.cards {
  list-style: none;
  margin: clamp(2.5rem, 6vw, 3.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card {
  padding: 1.1rem 1.25rem;
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.card h2 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}
.card p { margin: 0; font-size: 0.95rem; }

/* ---------- Sections ---------- */
.section {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--line);
}
.section-title {
  margin: 0 0 2rem;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  color: var(--blue-bright);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 3rem;
}
.grid h3 { margin: 0 0 0.5rem; font-size: 1.15rem; color: var(--navy); }
.grid p { margin: 0; }

/* ---------- Offre ---------- */
.offer {
  max-width: 44rem;
  padding: clamp(1.5rem, 4vw, 2.2rem);
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.offer-lead { margin: 0 0 1.2rem; font-size: clamp(1.1rem, 2.4vw, 1.3rem); font-weight: 700; color: var(--navy); line-height: 1.4; }
.offer-list { margin: 0 0 1.4rem; padding-left: 1.2rem; }
.offer-list li { margin-bottom: 0.7rem; }
.offer-list strong { color: var(--navy); }
.offer-note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--navy);
}

/* ---------- Contact ---------- */
.tagline { margin: 0 0 1.5rem; font-size: 1.15rem; font-weight: 700; color: var(--navy); }
.name { margin: 0; font-size: 1.4rem; font-weight: 700; color: var(--navy); }
.role { margin: 0.2rem 0 1rem; }
.coords { margin: 0 0 1.6rem; color: var(--navy); }
.coords a { text-decoration: none; }
.coords a:hover { text-decoration: underline; }
.coords span { margin: 0 0.5rem; opacity: 0.5; }

/* ---------- Pied de page ---------- */
.footer {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}
.footer p { margin: 0; letter-spacing: 0.04em; }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .cards, .grid { grid-template-columns: 1fr; }
  .brand { letter-spacing: 0.14em; }
}