/* sante.arcachon.care - CSS autonome */
:root {
  --navy: #1B3A5C;
  --navy-deep: #132942;
  --sky: #7BBFEA;
  --sky-light: #A8D4F0;
  --sky-pale: #E8F2FA;
  --white: #FFFFFF;
  --cream: #FBF7F2;
  --sand: #F5F0E8;
  --charcoal: #2D2D2D;
  --charcoal-soft: #5A6470;
  --border-soft: #E5E9EF;
  --radius-sm: 0.5rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.2rem;
  --shadow-sm: 0 1px 3px rgba(27,58,92,0.06);
  --shadow-md: 0 4px 12px rgba(27,58,92,0.08);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--navy); line-height: 1.2; }
h1 em, h2 em, h3 em { font-style: italic; color: var(--sky); }
p { margin-bottom: 0.8rem; color: var(--charcoal); }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--sky); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* Navbar */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-nav.scrolled { border-bottom-color: var(--border-soft); box-shadow: var(--shadow-sm); }
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy);
}
.nav-logo img { height: 46px; width: auto; }
.nav-logo span { color: var(--sky); }
.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.6rem;
  align-items: center;
}
.nav-menu a {
  font-size: 0.95rem;
  color: var(--charcoal);
  font-weight: 500;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--sky); }
.nav-menu .cta-link {
  background: var(--navy);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}
.nav-menu .cta-link:hover { background: var(--sky); color: var(--white); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: all 0.2s ease;
}

/* Hero */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(180deg, var(--sky-pale) 0%, var(--white) 100%);
  text-align: center;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 1rem; }
.hero p { font-size: 1.1rem; color: var(--charcoal-soft); max-width: 720px; margin: 0 auto 1.5rem; }
.overline {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 1rem;
}
.breadcrumb {
  font-size: 0.88rem;
  color: var(--charcoal-soft);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--charcoal-soft); }
.breadcrumb span { margin: 0 0.4rem; }

/* Sections */
section { padding: 3.5rem 0; }
.bg-white { background: var(--white); }
.bg-cream { background: var(--cream); }
.bg-sky-pale { background: var(--sky-pale); }

.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-header h1, .section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin-bottom: 0.8rem; }
.section-header p { font-size: 1.05rem; color: var(--charcoal-soft); max-width: 700px; margin: 0 auto; }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  transition: border-color 0.2s ease;
}
.contact-card:hover { border-color: var(--sky); }
.contact-card h4 { font-size: 1.05rem; color: var(--navy); margin-bottom: 0.3rem; }
.contact-card p { font-size: 0.92rem; color: var(--charcoal-soft); margin-bottom: 0.2rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.88rem; }
.btn-primary { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-primary:hover { background: var(--sky); border-color: var(--sky); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-sky { background: var(--sky); color: var(--white); border-color: var(--sky); }
.btn-sky:hover { background: var(--navy); border-color: var(--navy); }

.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
}

/* Fade in animation */
.fade-in { opacity: 0; transition: opacity 0.5s ease; }
.fade-in.visible { opacity: 1; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: var(--sky-light);
  padding: 2.5rem 0 1.5rem;
  text-align: center;
}
.site-footer p { color: var(--sky-light); font-size: 0.92rem; }
.footer-logo { font-family: var(--font-display); font-size: 1.4rem; color: var(--white); display: inline-block; margin-bottom: 0.8rem; }
.footer-logo span { color: var(--sky); }
.footer-links { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; margin: 1rem 0 0.5rem; }
.footer-links a { color: var(--sky-light); font-size: 0.92rem; }
.footer-links a:hover { color: var(--white); }

/* Mobile */
@media (max-width: 768px) {
  body { font-size: 16px; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-menu.open { max-height: 500px; }
  section { padding: 2.5rem 0; }
  .hero { padding: 6rem 0 3rem; }
}