/* =============================================
   EXPAIR — Feuille de style globale
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;600&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --navy:  #0a1628;
  --steel: #1e3a5f;
  --sky:   #4a90c4;
  --gold:  #c8a96e;
  --light: #f5f4f0;
  --white: #ffffff;
  --gray:  #4a5568;
  --nav-h: 70px;
}

/* ─── RESET ─────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--navy);
  overflow-x: hidden;
}
img { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }

/* ─── NAVIGATION ────────────────────────── */
nav {
  position: fixed;
  top:0; left:0; right:0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(10,22,40,0.08);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 3rem;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.nav-logo-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--navy);
}

.nav-links {
  display: flex;
  list-style: none;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--navy);
  transition: color .2s;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--sky);
  border-bottom-color: var(--sky);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-social {
  display: flex;
  gap: 10px;
}
.nav-social a {
  width: 28px; height: 28px;
  background: var(--navy);
  border-radius: 4px;
  display: flex; align-items:center; justify-content:center;
  transition: background .2s;
}
.nav-social a:hover { background: var(--sky); }
.nav-social svg { width:13px; height:13px; fill:white; }

/* ─── PAGE HERO BANNER (sous-pages) ─────── */
.page-banner {
  margin-top: var(--nav-h);
  height: 220px;
  background: var(--navy);
  display: flex; align-items:center; justify-content:center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(74,144,196,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,144,196,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-banner-img {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:.18;
}
.page-banner h1 {
  position:relative; z-index:1;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem,5vw,3.8rem);
  font-weight: 300;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: white;
}

/* ─── LAYOUT HELPERS ────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: 90px 2rem; }

.section-label {
  font-size: 11px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
.section-body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ─── BUTTONS ───────────────────────────── */
.btn {
  display: inline-block;
  padding: 13px 36px;
  background: transparent;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all .3s;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.btn:hover { background: var(--navy); color: white; }
.btn-gold {
  border-color: var(--gold);
  color: var(--gold);
}
.btn-gold:hover { background: var(--gold); color: var(--navy); }

/* ─── REVEAL ANIMATION ──────────────────── */
.reveal {
  opacity:0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity:1; transform:translateY(0); }

/* ─── FOOTER ────────────────────────────── */
footer {
  background: var(--navy);
  color: white;
  padding: 60px 3rem 0;
}
.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.3fr;
  gap: 4rem;
  padding-bottom: 3rem;
}
.footer-logo {
  display: flex; align-items:center; gap:12px;
  margin-bottom: 1.2rem;
}
.footer-logo img {
  width: 50px; height:50px; object-fit:contain;
  filter: brightness(0) invert(1);
}
.footer-logo-text {
  font-family:'Cormorant Garamond',serif;
  font-size:22px; letter-spacing:3px;
  text-transform:uppercase; color:white;
}
.footer-tagline { font-size:13px; color:rgba(255,255,255,.5); line-height:1.7; }
.footer-section-title {
  font-size:11px; letter-spacing:3px;
  text-transform:uppercase; color:var(--gold);
  margin-bottom:1.3rem;
}
.footer-links { list-style:none; display:flex; flex-direction:column; gap:.7rem; }
.footer-links a { color:rgba(255,255,255,.6); font-size:14px; transition:color .2s; }
.footer-links a:hover { color:var(--gold); }
.footer-contact { display:flex; flex-direction:column; gap:.9rem; }
.footer-contact-row { display:flex; align-items:flex-start; gap:10px; font-size:14px; color:rgba(255,255,255,.6); line-height:1.5; }
.footer-contact-row span.icon { color:var(--gold); flex-shrink:0; }
.footer-contact-row a { color:rgba(255,255,255,.6); transition:color .2s; }
.footer-contact-row a:hover { color:var(--gold); }
.footer-social { display:flex; gap:9px; margin-top:1.4rem; }
.footer-social a {
  width:32px; height:32px; border:1px solid rgba(255,255,255,.2);
  border-radius:4px; display:flex; align-items:center; justify-content:center;
  transition: all .2s;
}
.footer-social a:hover { border-color:var(--gold); background:rgba(200,169,110,.1); }
.footer-social svg { width:13px; height:13px; fill:rgba(255,255,255,.7); }
.footer-bottom {
  max-width:1100px; margin:0 auto;
  padding: 1.5rem 0;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex; justify-content:space-between;
  font-size:12px; color:rgba(255,255,255,.3);
}

/* ─── HAMBURGER MENU ─────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px; height: 18px;
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ─── RESPONSIVE ────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 0 1.5rem; }
  .nav-links { gap:1.2rem; }
  .nav-links a { font-size:11px; }
}
@media (max-width: 700px) {
  /* Nav : logo gauche + hamburger droite uniquement */
  nav {
    grid-template-columns: 1fr auto;
    padding: 0 1.2rem;
    gap: 0;
  }

  /* Logo réduit */
  .nav-logo-text { font-size: 16px; letter-spacing: 2px; }
  .nav-logo img  { width: 32px; height: 32px; }

  /* SUPPRIMER les icônes sociales de la navbar sur mobile */
  .nav-social { display: none !important; }

  /* Hamburger visible */
  .nav-toggle { display: flex; }

  /* Menu déroulant pleine largeur */
  .nav-links {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem 1.5rem;
    gap: 0;
    border-bottom: 2px solid var(--navy);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    transform: translateY(-110%);
    transition: transform .3s ease;
    visibility: hidden;
    pointer-events: none;
    z-index: 199;
  }
  .nav-links.open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links li { border-bottom: 1px solid rgba(10,22,40,.07); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a {
    display: block;
    padding: .85rem 0;
    font-size: 13px;
    letter-spacing: 1px;
    border-bottom: none;
  }

  .footer-grid { grid-template-columns:1fr; gap:2.5rem; }
  .footer-bottom { flex-direction:column; gap:.4rem; }
  section { padding: 60px 1.5rem; }
}