:root {
  --noir: #0a0a0a;
  --blanc: #ffffff;
  --gris-clair: #f5f5f5;
  --gris-moyen: #9a9a9a;
  --accent: #c8a45e;
  --accent-hover: #d4b36e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #333;
  background: var(--blanc);
  line-height: 1.8;
}

nav {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: 16px;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--blanc);
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.3s ease;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.lang-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-btn.active {
  background: var(--accent);
  color: var(--noir);
  border-color: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: var(--noir) !important;
  padding: 10px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background 0.3s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-hover);
}

.hero-seo {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  padding: 120px 60px 80px;
  text-align: center;
}

.hero-seo .badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--accent);
  border-radius: 30px;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 25px;
}

.hero-seo h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--blanc);
  margin-bottom: 20px;
}

.hero-seo h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-seo p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 650px;
  margin: 0 auto 35px;
}

.hero-seo .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--noir);
  padding: 16px 36px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.hero-seo .btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 30px;
}

h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--noir);
  margin-bottom: 20px;
}

h2 em {
  font-style: normal;
  color: var(--accent);
}

.section-alt {
  background: var(--gris-clair);
  padding: 60px 30px;
}

.section-alt .container {
  padding: 0;
  max-width: 900px;
  margin: 0 auto;
}

p {
  margin-bottom: 16px;
  font-size: 1rem;
  color: #444;
}

.services-seo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-top: 30px;
}

.svc-card {
  background: var(--blanc);
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.svc-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border-color: var(--accent);
}

.svc-card .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(200, 164, 94, 0.1);
  color: var(--accent);
}

.svc-card .icon svg {
  stroke: var(--accent);
}

.svc-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--noir);
}

.svc-card p {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0;
}

.stats-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 30px;
  background: var(--noir);
  text-align: center;
}

.stat {
  color: var(--blanc);
}

.stat .num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.stat .label {
  font-size: 0.8rem;
  color: var(--gris-moyen);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-box {
  text-align: center;
  background: var(--gris-clair);
  padding: 60px 30px;
  border-top: 3px solid var(--accent);
}

.cta-box h2 {
  margin-bottom: 15px;
}

.cta-box p {
  max-width: 500px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--noir);
  padding: 16px 36px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-dark:hover {
  background: var(--accent-hover);
}

.btn-dark svg {
  fill: var(--noir);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--noir);
  padding: 16px 36px;
  border: 2px solid var(--noir);
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: rgba(0, 0, 0, 0.05);
}

footer {
  background: var(--noir);
  padding: 30px 60px;
  text-align: center;
  color: var(--gris-moyen);
  font-size: 0.8rem;
}

footer a {
  color: var(--gris-moyen);
  text-decoration: none;
}

footer a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  nav {
    padding: 15px 20px;
    flex-wrap: wrap;
  }

  .nav-right {
    gap: 10px;
  }

  .lang-btn {
    padding: 3px 8px;
    font-size: 0.65rem;
  }

  .nav-cta {
    padding: 8px 16px;
    font-size: 0.75rem;
  }

  .hero-seo {
    padding: 100px 20px 60px;
  }

  .hero-seo h1 {
    font-size: 2rem;
  }

  .services-seo {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    gap: 20px;
  }

  .container {
    padding: 40px 20px;
  }
}