/* Gestion Signature 360° — copie conforme */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --anthracite: #1a1a1f;
  --anthracite-light: #232328;
  --anthracite-dark: #111114;
  --gold: #c9a84c;
  --gold-light: #d4b96a;
  --gold-muted: rgba(201, 168, 76, 0.15);
  --white-soft: rgba(255, 255, 255, 0.85);
  --white-muted: rgba(255, 255, 255, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--anthracite);
  color: var(--white-soft);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .serif { font-family: 'Playfair Display', Georgia, serif; }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  background: rgba(26, 26, 31, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  transition: background 0.3s;
}
.nav-brand { font-family: 'Playfair Display', serif; font-size: 1.15rem; color: #fff; letter-spacing: 0.02em; }
.nav-brand span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--white-soft); text-decoration: none; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--gold); }
.nav-lang { display: flex; gap: 8px; }
.nav-lang a { color: var(--white-muted); text-decoration: none; font-size: 0.8rem; letter-spacing: 0.05em; padding: 4px 10px; border: 1px solid transparent; border-radius: 2px; transition: all 0.2s; }
.nav-lang a.active, .nav-lang a:hover { color: var(--gold); border-color: var(--gold); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 80px;
  position: relative;
  background: linear-gradient(rgba(17, 17, 20, 0.7), rgba(17, 17, 20, 0.85)), url('/assets/img/condos-luxe.png') center/cover no-repeat;
}
.hero-eyebrow { font-size: 0.75rem; letter-spacing: 0.35em; text-transform: uppercase; color: var(--gold); margin-bottom: 28px; }
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500; line-height: 1.1; color: #fff;
  max-width: 800px; margin-bottom: 20px;
}
.hero h1 em { font-style: italic; color: var(--gold-light); }
.hero-sub { font-size: 1.1rem; color: var(--white-muted); max-width: 560px; margin-bottom: 44px; }
.btn {
  display: inline-block; padding: 16px 40px;
  border: 1px solid var(--gold); color: var(--gold);
  text-decoration: none; text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem;
  transition: all 0.3s; cursor: pointer; background: transparent;
}
.btn:hover { background: var(--gold); color: var(--anthracite); }
.btn-solid { background: var(--gold); color: var(--anthracite); }
.btn-solid:hover { background: var(--gold-light); }
.hero-scroll { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); color: var(--white-muted); font-size: 1.5rem; animation: bounce 2s infinite; }
@keyframes bounce { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,10px)} }

/* ===== SECTIONS ===== */
.section { padding: 110px 48px; max-width: 1280px; margin: 0 auto; }
.section-dark { background: var(--anthracite-dark); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow { font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 500; color: #fff; margin-bottom: 20px; }
.section-desc { color: var(--white-muted); max-width: 700px; margin: 0 auto; }

/* Grid 2 colonnes */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.grid-2 .text h3 { font-size: 1.6rem; color: #fff; margin-bottom: 18px; font-weight: 500; }
.grid-2 .text p { color: var(--white-muted); margin-bottom: 16px; }
.grid-2 .text .accent { color: var(--gold-light); }
.grid-2 img { width: 100%; border-radius: 2px; opacity: 0.95; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 48px; }
.stat { text-align: center; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2.8rem; color: var(--gold); font-weight: 500; }
.stat-label { color: var(--white-muted); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 8px; }

/* Valeurs */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 56px; }
.value {
  border: 1px solid rgba(201, 168, 76, 0.2); padding: 40px 32px;
  background: var(--anthracite-light); transition: border-color 0.3s, transform 0.3s;
}
.value:hover { border-color: var(--gold); transform: translateY(-4px); }
.value-icon { font-size: 1.8rem; color: var(--gold); margin-bottom: 18px; }
.value h4 { color: #fff; font-size: 1.05rem; margin-bottom: 10px; font-weight: 500; }
.value p { color: var(--white-muted); font-size: 0.9rem; }

/* Citation */
.quote { text-align: center; padding: 100px 48px; max-width: 900px; margin: 0 auto; }
.quote blockquote {
  font-family: 'Playfair Display', serif; font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem); color: #fff; line-height: 1.5;
}
.quote cite { display: block; margin-top: 24px; color: var(--gold); font-style: normal; font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; }

/* ===== FORMULAIRE ===== */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; color: var(--white-soft); font-size: 0.85rem; margin-bottom: 8px; letter-spacing: 0.04em; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 14px 16px;
  background: var(--anthracite-light); border: 1px solid rgba(255,255,255,0.12);
  color: #fff; font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 300;
  outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-success { background: var(--gold-muted); border: 1px solid var(--gold); color: var(--gold-light); padding: 18px; margin-top: 20px; font-size: 0.95rem; }
.form-error { background: rgba(220, 38, 38, 0.15); border: 1px solid rgba(220, 38, 38, 0.5); color: #fca5a5; padding: 18px; margin-top: 20px; font-size: 0.95rem; }

/* ===== FOOTER ===== */
.footer {
  background: var(--anthracite-dark); padding: 48px;
  border-top: 1px solid rgba(201, 168, 76, 0.1);
  text-align: center;
}
.footer-brand { font-family: 'Playfair Display', serif; color: #fff; font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand span { color: var(--gold); }
.footer p { color: var(--white-muted); font-size: 0.85rem; margin-bottom: 8px; }
.footer .credit { margin-top: 20px; font-size: 0.75rem; color: rgba(255,255,255,0.35); }
.footer .credit a { color: var(--white-muted); text-decoration: none; }
.footer .credit a:hover { color: var(--gold); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .nav-links { position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--anthracite-dark); padding: 24px; gap: 20px; display: none; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr; }
  .section { padding: 80px 24px; }
}