:root {
  --gold: #c49a2f;
  --gold-light: #e9c65c;
  --blue: #1e243a;
  --light-gray: #f8f9fb;
  --text-dark: #222;
  --text-muted: #555;
  --border: #e2e5ea;
  --shadow: rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: "Lato", sans-serif;
  background: #fff;
  color: var(--text-dark);
  line-height: 1.8;
  scroll-behavior: smooth;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 3px 10px var(--shadow);
  z-index: 1000;
}
.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #b48b26, #f5c542, #b48b26);
  background-size: 200% auto;
  animation: shine 6s linear infinite;
}
@keyframes shine {
  0% { background-position: -200px 0; }
  100% { background-position: 200px 0; }
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}
.logo { height: auto; }

.main-nav {
  display: flex;
  gap: 20px;
}
.main-nav a {
  text-decoration: none;
  color: var(--blue);
  font-weight: 600;
  transition: color 0.3s;
}
.main-nav a:hover { color: var(--gold); }

.btn-header {
  background: var(--gold);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.3s;
}
.btn-header:hover { background: var(--gold-light); }

/* SECTIONS */
.section {
  padding: 140px 20px 100px;
}
.section.alt {
  background: var(--light-gray);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
h1, h2, h3 { font-family: "Playfair Display", serif; color: var(--blue); }
h1 { color: var(--gold); font-size: 3rem; margin-bottom: 10px; }
h2 { font-size: 2rem; margin-bottom: 25px; }
p { font-size: 1.05rem; margin-bottom: 20px; color: var(--text-muted); }
.slogan { font-weight: 600; color: var(--blue); margin-bottom: 15px; }
.lead { max-width: 800px; margin: 0 auto 25px; }

/* BUTTONS */
.cta, .btn-primary {
  background: var(--gold);
  color: #fff;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 700;
  border: none;
  text-decoration: none;
  transition: background 0.3s;
}
.cta:hover, .btn-primary:hover { background: var(--gold-light); }

/* LAYOUTS */
.about-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  text-align: left;
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}
.card {
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 30px;
  background: #fff;
  box-shadow: 0 4px 10px var(--shadow);
  transition: transform 0.3s ease;
  text-align: left;
}
.card:hover { transform: translateY(-8px); }
.card h3 { color: var(--gold); margin-bottom: 10px; }
.price { color: var(--blue); font-weight: 700; margin-top: 10px; }

/* FORM */
.contact-form {
  max-width: 650px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: flex;
  gap: 16px;
}
.contact-form input, .contact-form textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
}

/* LEGAL SECTION */
#toggleLegal {
  margin-top: 10px;
}
.legal-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.6s ease;
  margin-top: 30px;
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.legal-content.open {
  max-height: 5000px;
  opacity: 1;
}

/* FOOTER */
.site-footer {
  background: var(--light-gray);
  text-align: center;
  padding: 30px 15px;
  border-top: 1px solid var(--border);
}
.site-footer p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ANIMATION */
.section {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s ease;
}
.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .form-row { flex-direction: column; }
}
.logo {
  width: 200px; /* ou plus grand : 250px, 300px… */
  height: auto;
}
section {
  scroll-margin-top: 120px; /* ajuste selon la hauteur réelle de ta bannière */
}
.banniere-nuancee {
  background: linear-gradient(135deg, #003f7d, #0056A0, #0072c6);
  color: white;
  text-align: center;
  padding: 3rem 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.banniere-nuancee h1 {
  font-size: 2rem;
  margin: 0;
  font-weight: bold;
  letter-spacing: 1px;
}

.banniere-nuancee .slogan {
  font-size: 1.3rem;
  color: #FFD700;
  font-style: italic;
  margin-top: 0.5rem;
}
h2 {
  font-size: 2.2rem;
  margin-bottom: 25px;
  position: relative;
  display: inline-block;
}

h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gold);
  margin-top: 8px;
  border-radius: 2px;
}
.section.alt {
  background: var(--light-gray);
  border-top: 2px solid var(--gold-light);
  border-bottom: 2px solid var(--gold-light);
  box-shadow: inset 0 0 20px rgba(0,0,0,0.05);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  padding: 14px 32px;
  border-radius: 35px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--shadow);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow);
}
.contact-form {
  max-width: 650px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-form .form-control {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-size: 1rem;
  background: #fff;
  transition: all 0.3s ease;
}

.contact-form .form-control:focus {
  border: 1px solid var(--gold);
  box-shadow: 0 0 8px var(--gold-light);
  outline: none;
}