:root {
  --navy: #101a33;
  --navy-deep: #0b1226;
  --navy-soft: #1b2a4d;
  --gold: #e9a83b;
  --gold-dark: #d18f24;
  --ink: #1e2433;
  --ink-soft: #5a6478;
  --soft-bg: #f4f6fb;
  --white: #ffffff;
  --border: #e3e7f0;
  --radius: 18px;
  --shadow: 0 6px 24px rgba(16, 26, 51, 0.10);
  --shadow-lg: 0 14px 40px rgba(16, 26, 51, 0.16);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Nunito", "Segoe UI", system-ui, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 22px; }

h1, h2, h3 { line-height: 1.2; color: var(--navy); font-weight: 800; }
h1 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 900; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); text-align: center; margin-bottom: .6rem; }
h2.align-left { text-align: left; }
h3 { font-size: 1.3rem; }

.icon { width: 1.2em; height: 1.2em; vertical-align: -0.22em; flex: none; }

.section { padding: 76px 0; }
.section-soft { background: var(--soft-bg); }
.section-intro { text-align: center; max-width: 700px; margin: 0 auto 2.4rem; color: var(--ink-soft); }

.eyebrow {
  text-align: center;
  font-weight: 800; font-size: .95rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: .4rem;
}
.contact-info .eyebrow { text-align: left; }
.eyebrow-gold { color: var(--gold); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  text-decoration: none; text-align: center;
  font: inherit; font-size: 1.02rem; font-weight: 800;
  padding: 14px 28px; border-radius: 999px;
  border: none; cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn-lg { font-size: 1.12rem; padding: 16px 32px; }
.btn-gold { background: var(--gold); color: var(--navy-deep); }
.btn-gold:hover { background: var(--gold-dark); color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-soft); }
.btn-outline-light { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-navy-outline { background: var(--white); color: var(--navy); border: 2px solid var(--navy); }
.btn-navy-outline:hover { background: var(--soft-bg); }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy);
  box-shadow: 0 2px 14px rgba(11, 18, 38, .35);
}
.header-inner { display: flex; align-items: center; gap: 26px; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo {
  width: 52px; height: 52px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.25);
}
.brand-name { font-size: 1.3rem; font-weight: 900; color: var(--white); letter-spacing: .01em; }
.main-nav { display: flex; gap: 24px; margin-left: auto; }
.main-nav a {
  text-decoration: none; color: #cdd6ea; font-weight: 700;
  padding: 6px 2px; border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav a:hover { color: var(--white); border-color: var(--gold); }
.header-cta { padding: 11px 20px; font-size: .98rem; white-space: nowrap; }
.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  background: none; border: none; cursor: pointer;
  color: var(--white); border-radius: 10px;
}
.nav-toggle svg { width: 30px; height: 30px; }
.nav-toggle:active { background: rgba(255,255,255,.12); }

/* ---------- Barre d'appel mobile ---------- */
.mobile-cta-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  gap: 12px; padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 -6px 20px rgba(16, 26, 51, .14);
}
.mobile-cta-bar .btn { flex: 1; padding: 14px 10px; font-size: 1.05rem; }

/* ---------- Héros ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-soft) 100%);
  color: var(--white);
  padding: 88px 0 96px;
}
.hero-infinity {
  position: absolute; right: -120px; top: -90px;
  width: 560px; height: 560px;
  color: rgba(255,255,255,.05);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: center; }
.hero-kicker {
  font-weight: 800; font-size: .95rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .9rem;
}
.hero h1 { color: var(--white); }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero-sub { font-size: 1.18rem; color: #c7d0e4; margin: 1.1rem 0 1.3rem; max-width: 34em; }
.hero-points { list-style: none; margin-bottom: 1.8rem; }
.hero-points li { display: flex; align-items: baseline; gap: 10px; margin: .55rem 0; font-size: 1.05rem; }
.hero-points .icon { color: var(--gold); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { text-align: center; }
.hero-logo {
  width: 240px; height: 240px; border-radius: 50%;
  box-shadow: 0 0 0 10px rgba(255,255,255,.06), var(--shadow-lg);
}
.hero-quote { margin-top: 1.4rem; font-size: 1.15rem; color: #c7d0e4; }
.hero-quote strong { color: var(--gold); }

/* ---------- Cartes ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 2.4rem; }
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 62px; height: 62px; border-radius: 16px;
  background: var(--soft-bg); color: var(--navy);
  margin-bottom: 1rem;
}
.card-icon svg { width: 32px; height: 32px; }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--ink-soft); }

/* ---------- Section marine (crédit d'impôt) ---------- */
.section-navy { background: linear-gradient(150deg, var(--navy) 0%, var(--navy-soft) 100%); }
.on-navy { color: var(--white); }
.on-navy-soft { color: #c7d0e4; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 2.2rem; }
.step {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 30px 26px;
  text-align: center;
}
.step h3 { color: var(--white); margin-bottom: .4rem; }
.step p { color: #c7d0e4; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gold); color: var(--navy-deep);
  font-weight: 900; font-size: 1.25rem; margin-bottom: .9rem;
}

/* ---------- Tarifs ---------- */
.pricing { align-items: stretch; }
.price-card { display: flex; flex-direction: column; text-align: center; position: relative; }
.price-card ul { list-style: none; margin: 1.2rem 0 1.6rem; color: var(--ink-soft); flex: 1; }
.price-card li { margin: .45rem 0; }
.price { font-size: 2rem; font-weight: 900; color: var(--navy); margin-top: .5rem; }
.price-old { text-decoration: line-through; color: var(--ink-soft); font-size: 1.15rem; font-weight: 700; margin-right: 10px; }
.price-note { font-size: .9rem; font-weight: 700; color: var(--ink-soft); }
.featured { border: 2px solid var(--gold); transform: scale(1.03); }
.featured:hover { transform: scale(1.03) translateY(-4px); }
.badge {
  position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--navy-deep);
  font-size: .85rem; font-weight: 800;
  padding: 4px 16px; border-radius: 999px; white-space: nowrap;
}

/* ---------- Témoignages ---------- */
.reviews-cta { text-align: center; }
.stars { font-size: 2.1rem; color: var(--gold); letter-spacing: 6px; margin: .6rem 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info p { color: var(--ink-soft); }
.contact-info h2 { margin-bottom: .8rem; }
.big-phone { margin-top: 1.4rem; }
.big-phone a {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 1.65rem; font-weight: 900; color: var(--navy);
  text-decoration: none;
}
.big-phone a:hover { color: var(--navy-soft); text-decoration: underline; }
.contact-mail { margin-top: .4rem; }
.contact-mail a { color: var(--ink-soft); font-weight: 700; }
.contact-form {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 32px; display: flex; flex-direction: column; gap: 8px;
}
.contact-form h3 { margin-bottom: .4rem; }
.contact-form label { font-weight: 700; margin-top: .6rem; }
.contact-form input, .contact-form textarea {
  font: inherit; padding: 13px 15px;
  border: 1.5px solid var(--border); border-radius: 10px;
  background: var(--soft-bg);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 3px solid rgba(233, 168, 59, .45); border-color: var(--gold);
}
.contact-form button { margin-top: 1.1rem; }
#form-status { min-height: 1.5em; font-weight: 700; }

/* ---------- Pied de page ---------- */
.site-footer {
  background: var(--navy-deep); color: #aeb9d2;
  padding: 44px 0; text-align: center;
}
.footer-logo {
  width: 86px; height: 86px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.18);
  margin-bottom: .9rem;
}
.footer-name { color: var(--white); font-weight: 800; font-size: 1.1rem; }
.site-footer a { color: var(--white); }
.footer-inner p { margin: .3rem 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  body { font-size: 17px; padding-bottom: 84px; }
  .container { padding: 0 18px; }

  /* En-tête : logo + burger, menu déroulant */
  .header-inner { justify-content: space-between; gap: 10px; }
  .brand-logo { width: 44px; height: 44px; }
  .brand-name { font-size: 1.15rem; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; margin: 0;
    background: var(--navy);
    padding: 6px 18px 14px;
    border-top: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 14px 24px rgba(11, 18, 38, .35);
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 4px; font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .main-nav a:last-child { border-bottom: none; }

  /* Héros */
  .hero { padding: 52px 0 60px; }
  .hero-inner, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { display: none; }
  .hero-sub { font-size: 1.08rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-infinity { width: 340px; height: 340px; right: -140px; top: -70px; }

  /* Sections et cartes */
  .section { padding: 52px 0; }
  .cards, .steps { grid-template-columns: 1fr; gap: 18px; margin-top: 1.8rem; }
  .card { padding: 26px 22px; }
  .step { padding: 24px 20px; }
  .featured { transform: none; }
  .featured:hover { transform: translateY(-4px); }

  /* Contact */
  .contact-form { padding: 24px 20px; }
  .big-phone a { font-size: 1.4rem; }

  /* Barre d'appel fixe */
  .mobile-cta-bar { display: flex; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 1.02rem; }
  h1 { font-size: 1.75rem; }
}