@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --primary: #0a192f;
  --gold: #d4af37;
  --gold-hover: #e8c34a;
  --white: #ffffff;
  --bg-color: #f8fafc;
  --text-color: #334155;
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  --font-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-h1: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  --font-h2: clamp(2rem, 1.8rem + 2vw, 3rem);
  --font-h3: clamp(1.25rem, 1.1rem + 1vw, 1.5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); font-size: var(--font-base); color: var(--text-color); background: var(--bg-color); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--primary); line-height: 1.2; font-weight: 600; margin-bottom: 1rem; }
a { color: var(--gold); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--primary); }

.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 2rem;
  background-color: var(--gold);
  color: var(--primary) !important;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-align: center;
}
.cta-button:hover { background-color: var(--gold-hover); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3); }

/* Hero Section */
.hero-section {
  position: relative;
  width: 100%;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
}
.hero-video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 25, 47, 0.75); z-index: -1; }
.hero-content { z-index: 1; color: var(--white); max-width: 800px; padding: 2rem; }
.hero-content h1 { color: var(--white); text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero-content p { color: rgba(255,255,255,0.9); font-size: 1.2rem; margin-bottom: 2rem; }

/* Layout */
section { padding: 6rem 1.5rem; }
.container { max-width: 1200px; margin: 0 auto; }
.grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Header */
.header { position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(10, 25, 47, 0.95); backdrop-filter: blur(10px); display: flex; justify-content: space-between; align-items: center; padding: 1rem 5%; }
.logo { color: var(--white); font-family: var(--font-heading); font-size: 1.5rem; font-weight: bold; }
.nav-menu a { color: var(--white); margin: 0 1rem; font-weight: 500; font-size: 0.95rem; }

/* Menu Burger */
.burger-menu { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; z-index: 1001; }
.burger-menu span { width: 30px; height: 3px; background: var(--gold); transition: 0.3s; }
.burger-menu.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger-menu.active span:nth-child(2) { opacity: 0; }
.burger-menu.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Cartes Services & Blog */
.service-card { background: var(--white); padding: 2rem; border-radius: 12px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); transition: 0.3s; border-top: 4px solid var(--gold); }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Animations Scroll */
.fade-in { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* FAQ Accordéon */
.faq-item { margin-bottom: 1rem; border: 1px solid #e2e8f0; border-radius: 8px; background: var(--white); }
.faq-question { width: 100%; text-align: left; padding: 1.5rem; background: none; border: none; font-weight: 600; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.1rem; }
.faq-question span { font-size: 1.5rem; color: var(--gold); transition: transform 0.3s ease; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; padding: 0 1.5rem; color: var(--text-color); }
.faq-item.active .faq-answer { max-height: 500px; padding-bottom: 1.5rem; }
.faq-item.active .faq-question span { transform: rotate(45deg); }

/* Mobile */
@media (max-width: 768px) {
  .burger-menu { display: flex; }
  .nav-menu { position: fixed; top: 0; right: -100%; width: 100%; height: 100dvh; background: var(--primary); display: flex; flex-direction: column; justify-content: center; align-items: center; transition: right 0.4s ease; }
  .nav-menu.active { right: 0; }
  .nav-menu a { margin: 1.5rem 0; font-size: 1.2rem; }
}