* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #0f0f13;
  color: #fff;
}

.hero {
  text-align: center;
  padding: 50px 20px;
  background: #1a1a21;
}

.hero h1 {
  font-size: 2.2em;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.1em;
  color: #ccc;
}

.cta {
  margin-top: 25px;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  margin: 10px;
  font-size: 1em;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}

.btn-call {
  background: #e53935;
  color: #fff;
}

.btn-devis {
  background: #fbc02d;
  color: #000;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

.card {
  background: #1a1a21;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
}

form input,
form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  border: none;
}

form button {
  width: 100%;
  cursor: pointer;
}

.footer {
  text-align: center;
  padding: 20px;
  background: #111;
}

.footer a {
  color: #ccc;
  margin: 0 10px;
  text-decoration: none;
  font-size: 0.9em;
}