* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #222;
  line-height: 1.6;
}

.hero {
  background: #0f172a;
  color: #ffffff;
  text-align: center;
  padding: 70px 20px;
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 15px;
}

.hero p {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  background-color: #25D366;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
}

.section {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
}

.section h2 {
  text-align: center;
  margin-bottom: 40px;
}

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.card {
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 30px;
}

.card h3 {
  margin-top: 0;
}

.card ul {
  padding-left: 18px;
}

.about {
  background-color: #f8fafc;
  border-radius: 12px;
}

.footer {
  background: #0f172a;
  color: #ffffff;
  text-align: center;
  padding: 30px 20px;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: #ffffff;
  padding: 15px 18px;
  border-radius: 50%;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 1000;
}

form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input, textarea {
  padding: 12px;
  font-size: 15px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

textarea {
  min-height: 120px;
}

button {
  border: none;
  cursor: pointer;
}

text {
  text-align: center;
}