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

body {
  background: #fff;
  color: #111;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  position: fixed;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid #eee;
  z-index: 1000;
}

.logo {
  font-size: 22px;
  font-weight: 600;
}

.logo span {
  font-weight: 300;
}

nav {
  display: flex;
  gap: 25px;
}

nav a {
  text-decoration: none;
  color: #111;
  font-weight: 500;
}

/* MENU MOBILE */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-btn span {
  width: 25px;
  height: 3px;
  background: #111;
}

/* SEÇÕES */
section {
  padding: 120px 30px;
  max-width: 1100px;
  margin: auto;
  text-align: center;
}

.hero {
  padding-top: 160px;
}

h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

h2 {
  font-size: 30px;
  margin-bottom: 20px;
}

p {
  max-width: 700px;
  margin: auto;
  color: #555;
}

/* BOTÃO */
.btn {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 30px;
  background: #111;
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.card {
  padding: 30px;
  border: 1px solid #eee;
  border-radius: 12px;
  transition: 0.3s;
}

.card i {
  font-size: 32px;
  margin-bottom: 15px;
}

.card:hover {
  transform: translateY(-10px);
}

/* FOOTER */
footer {
  padding: 30px;
  text-align: center;
  border-top: 1px solid #eee;
  color: #777;
}

/* ANIMAÇÃO */
.fade {
  opacity: 0;
  transform: translateY(30px);
  transition: 0.8s;
}

.fade.show {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVO */
@media (max-width: 768px) {
  nav {
    position: fixed;
    top: 70px;
    right: -100%;
    flex-direction: column;
    background: #fff;
    width: 200px;
    padding: 20px;
    transition: 0.3s;
    border-left: 1px solid #eee;
  }

  nav.active {
    right: 0;
  }

  .menu-btn {
    display: flex;
  }
}
.menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.menu-btn span {
  transition: 0.4s ease;
  }