:root {
  --navy: #0b2f5b;
  --blue: #1a6fc4;
  --orange: #f39200;
  --orange-dark: #d97f00;
  --cream: #fff8ef;
  --text: #1f2a37;
  --muted: #5b6776;
  --white: #ffffff;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-small { padding: 9px 18px; font-size: .95rem; }
.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { background: var(--orange-dark); }
.btn-ghost { border: 2px solid var(--white); color: var(--white); }
.btn-ghost:hover { background: var(--white); color: var(--navy); }

/* En-tête */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 800;
  font-size: 1.1rem;
}

/* Présentation */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  padding: 64px 0;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-logo {
  flex: 0 0 auto;
  width: 260px;
  background: var(--white);
  border-radius: 50%;
  padding: 18px;
  box-shadow: 0 0 0 8px rgba(243,146,0,.9), 0 20px 40px rgba(0,0,0,.25);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--orange);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .85rem;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
}
.lead {
  margin: 0 0 28px;
  font-size: 1.1rem;
  opacity: .92;
  max-width: 560px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--cream); }
.section-title {
  margin: 0 0 28px;
  color: var(--navy);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
}
.section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 10px;
  background: var(--orange);
  border-radius: 2px;
}

/* Services */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid #e6ebf1;
  border-top: 4px solid var(--blue);
}
.card:nth-child(4) { border-top-color: var(--orange); }
.card h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  padding: 12px 0;
  border-bottom: 1px solid #eadfcf;
  overflow-wrap: anywhere;
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list span {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--orange-dark);
}
.contact-list a { font-weight: 600; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.map iframe {
  width: 100%;
  height: 360px;
  border: 0;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(11,47,91,.12);
}

/* Pied de page */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.8);
  text-align: center;
  padding: 24px 0;
  font-size: .9rem;
}
.site-footer a { color: var(--white); }
.footer-partner { margin: 8px 0 0; font-size: .85rem; }
.footer-partner a { color: var(--orange); }

/* Mobile */
@media (max-width: 760px) {
  .hero { padding: 44px 0; text-align: center; }
  .hero-inner { flex-direction: column; gap: 28px; }
  .hero-logo { width: 190px; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .contact-inner { grid-template-columns: 1fr; }
  .map iframe { height: 280px; }
  .brand span { font-size: .95rem; }
  .section { padding: 48px 0; }
}
@media (max-width: 400px) {
  .brand span { display: none; }
}