.about {
  height: 100vh;
  padding: 0;
  font-weight: 500;
  background-image: linear-gradient(to right, #f4f4f4, #fff);
  color: #474747;
}

.plans {
  /* height: 100vh; */
  padding: 0;
  font-weight: 500;
  background-image: linear-gradient(to right, #4caf50, #57fa16);
}

.section-download {
  height: 100vh;
  padding: 0;
  background-color: #000;
}

.section-contact {
  height: 100vh;
  padding: 0;
  font-weight: 500;
  background-image: linear-gradient(to right, #474747, #474740);
  color: #f4F4F4;
}

.about,
.plans,
.section-download {
  display: flex;
  align-items: center;

}

.centralized-section {
  height: 100vh;
  padding: 5rem 0;
  text-align: center;
}

.mockup-img {
  max-width: 100%;
}

.row {
  display: flex;
  align-items: center;
}


body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
}

a {
  color: #fff;
  text-decoration: none;

}

a btn btn-primary {
  color: #000;
  text-decoration: none;

}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* cabeçalho */
header {
  position: relative;
  height: 100vh;
}

nav {
  position: fixed;
  top: 0;
  z-index: 999;
  background-color:rgba(0, 0, 0, 0.486);
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  z-index: 999;
  text-decoration: none;
}

nav .logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;

}

nav ul {
  display: flex;
  text-decoration: none;
}

nav ul li {
  margin-left: 1rem;
  text-decoration: none;
}

nav ul li:first-child {
  margin-left: 0;
  text-decoration: none;
}

nav ul li a {
  display: block;
  padding: 1rem;
  text-decoration: none;
}

.hero {
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.hero video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 700;
  color: #fff;
}

.hero-content p {
  font-size: 1.5rem;
  font-weight: 300;
  color: #fff;
  margin-bottom: 2rem;
}

/* seções */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1rem;
}

.about {
  padding: 5rem 0;
  text-align: center;
}

.about h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

/* Seção Plans*/
.plans {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.card {
  background-color: #fff;
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  flex-basis: calc(33.33% - 20px);
  margin: 10px;
  padding: 20px;
  text-align: center;
}

.card:hover {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-header {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

.card-body {
  font-size: 16px;
  margin-bottom: 20px;
  text-align: left;
}

.card-body .btn {
  display: block;
  width: 80%;
  margin: 20px auto 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-decoration: none;
}

li {
  margin-bottom: 10px;
  text-decoration: none;
}

.price {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 20px;
}

.btn {
  background-color: #57fa16;
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  padding: 10px 20px;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #57fa16;
}


/* Seção de download */
.section-download {
  background-color: #f4f4f4;
  padding: 80px 0;
}

.download-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.download-content h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.download-content p {
  font-size: 1.2rem;
  margin-bottom: 50px;
}

.download-btns {
  display: flex;
  justify-content: center;
}

.btn-primary {
  color: #000;
  background-color: #57fa16;
  border-color: #57fa16;
}

.btn-primary:hover {
  color: #fff;
  background-color: #57fa16;
  border-color: #57fa16;
}

.btn-primary:active {
  background-color: black;
  color: white;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: black !important;
  color: white;
}


.btn-apple,
.btn-google {
  display: inline-flex;
  align-items: center;
  margin: 0 20px;
  padding: 16px 24px;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 50px;
  text-transform: uppercase;
  transition: background-color 0.3s ease;
}

.btn-apple:hover,
.btn-google:hover {
  background-color: #333;
  color: #fff;
}

.btn-apple i,
.btn-google i {
  font-size: 2rem;
  margin-right: 10px;
}

.btn-apple {
  background-color: #000;
  color: #fff;
}

.btn-google {
  background-color: #fff;
  color: #333;
  border: 2px solid #333;
}

/* Seção de contato */
.section-contact {
  background-color: #fff;
  padding: 80px 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form label {
  font-weight: bold;
}

.contact-form .form-control {
  height: 50px;
  font-size: 16px;
  padding: 10px;
}

.contact-form .form-group textarea.form-control {
  height: 150px;
}

.contact-form button {
  background-color: #57fa16;
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  margin-top: 20px;
  padding: 10px 20px;
  transition: background-color 0.3s;
}

.contact-form button:hover {
  background-color: #4caf50;
}

footer {
  background-color: black;
  padding: 50px 0;
  color: white;
}

footer h4 {
  font-weight: bold;
}

footer ul li {
  margin-bottom: 10px;
  text-decoration: none;
}

footer ul li:last-child {
  margin-bottom: 0;
}

footer .list-inline li {
  display: inline-block;
  margin-right: 10px;
}

footer .list-inline li:last-child {
  margin-right: 0;
}

footer .list-inline li a {
  color: white;
}

footer .list-inline li a:hover {
  color: gray;
}

footer .fa {
  font-size: 24px;
}

nav ul li a:focus {
  outline: none; /* remove the default blue outline */
  text-decoration: none; /* remove the blue underline */
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  }