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

body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: #333;
}

.hero {
  background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat;
  color: white;
  height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.hero-content {
  background: rgba(0,0,0,0.6);
  padding: 30px;
  border-radius: 10px;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 25px;
  background: #00bcd4; 
  color: white;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background: #009fb8;
  transform: scale(1.05);
}

.sobre {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 50px 10%;
  gap: 40px;
}

.sobre img {
  max-width: 400px;
  border-radius: 50%;
}

.sobre .texto {
  flex: 1;
}

.servicos {
  text-align: center;
  padding: 60px 10%;
  background: #f9f9f9;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 30px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  flex: 1 1 280px;
  max-width: 300px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  border-top: 4px solid #00bcd4;
}

.tecnologias {
  padding: 60px 10%;
  text-align: center;
  background: white;
}

.tecnologias h2 {
  color: #00bcd4;
}

.tecnologias p {
  margin-top: 10px;
  color: #555;
}

.tecs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.tecs div {
  background: #e0f7fa;
  color: #006064;
  padding: 15px 25px;
  border-radius: 30px;
  font-weight: bold;
  transition: transform 0.3s;
}

.tecs div:hover {
  transform: scale(1.05);
}

.itens {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 25px;
}

.itens div {
  background: #e0f7fa;
  color: #006064;
  padding: 15px 25px;
  border-radius: 30px;
}

.contato {
  background: #f9f9f9;
  padding: 60px 10%;
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 400px;
  margin: 0 auto;
}

input, textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button.btn {
  background: #00bcd4;
  border: none;
  cursor: pointer;
}

button.btn:hover {
  background: #009fb8;
}

footer {
  background: #0a0a0a;
  color: white;
  text-align: center;
  padding: 20px;
}

footer a {
  color: #00bcd4;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .sobre {
    flex-direction: column;
    text-align: center;
  }
}