* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Arial, sans-serif;
}

body {
  color: #222;
  line-height: 1.6;
}

.hero {
  height: 100vh;
  background: url("images/lab.png") center/cover no-repeat;
}

.overlay {
  background: rgba(0,0,0,0.65);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
}

.overlay h1 {
  font-size: 4rem;
}

.overlay p {
  margin: 24px 0;
  font-size: 1.4rem;
}

.btn {
  background: #ff7a00;
  color: #fff;
  padding: 14px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

.section {
  padding: 90px 10%;
}

.section.gray {
  background: #f4f4f4;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  text-align: center;
  font-weight: bold;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.perfil {
  display: flex;
  gap: 60px;
  align-items: center;
}

.perfil img {
  width: 240px;
  border-radius: 50%;
  border: 4px solid #ff7a00;
}

.perfil-texto h3 {
  margin: 12px 0 20px;
}

.perfil-texto p {
  margin-bottom: 16px;
}

/* CONTATOS */
.contatos {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.contatos a,
.contatos span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #333;
  font-weight: 500;
}

.contatos a:hover {
  color: #ff7a00;
}

.contatos svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

footer {
  background: #111;
  color: #ccc;
  text-align: center;
  padding: 30px;
}