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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  height: 100vh;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 20px;
}

.hero-content {
  max-width: 600px;
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid #38bdf8;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 6px;
}

h2 {
  font-size: 18px;
  font-weight: 400;
  color: #94a3b8;
  margin-bottom: 18px;
}

p {
  font-size: 15px;
  line-height: 1.6;
  color: #cbd5f5;
  margin-bottom: 28px;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  padding: 12px 22px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 14px;
  color: #e5e7eb;
  border: 1px solid #334155;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #1e293b;
}

.btn.cv {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #020617;
  border: none;
  font-weight: 600;
}

.btn.cv:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(56, 189, 248, 0.35);
}

/* GitHub – dev dark */
.btn.github {
  background: #020617;
  border: 1px solid #334155;
}

.btn.github:hover {
  background: #0f172a;
  border-color: #64748b;
}

/* LinkedIn – officiel */
.btn.linkedin {
  background: #0a66c2;
  border: none;
}

.btn.linkedin:hover {
  background: #084a91;
}

/* Facebook */
.btn.facebook {
  background: #1877f2;
  border: none;
}

.btn.facebook:hover {
  background: #145dbf;
}

/* Instagram – dégradé */
.btn.instagram {
  background: linear-gradient(
    45deg,
    #f58529,
    #dd2a7b,
    #8134af,
    #515bd4
  );
  border: none;
}

.btn.instagram:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}