/* Custom CSS for the Mail Notification App Website */

/* Global Styles */
body {
  font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #fff;
  background-color: #212529;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: 1rem;
  color: #fff;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: #1abc9c;
  text-decoration: none;
}

a:hover {
  color: #fff;
  text-decoration: underline;
}

hr {
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigation */
nav.navbar {
  background-color: transparent;
  border: none;
  padding: 10px 0;
  font-size: 1.1rem;
  text-transform: uppercase;
}

nav.navbar a.navbar-brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

nav.navbar a.nav-link {
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
}

nav.navbar a.nav-link:hover {
  color: #1abc9c;
}

/* Banner */
#banner {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('FOTO.JPG');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

#banner h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
}

#banner p {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

#banner a.btn {
  font-size: 1.2rem;
  font-weight: 500;
  text-transform: uppercase;
  color: #fff;
  background-color: #1abc9c;
  border-color: #1abc9c;
}

#banner a.btn:hover {
  background-color: transparent;
  color: #fff;
  border-color: #1abc9c;
}

/* Features */
#features {
  padding: 100px 0;
}

.feature-item {
  margin-bottom: 50px;
  text-align: center;
}

.feature-item i {
  font-size: 4rem;
  margin-bottom: 1rem;
  color: #1abc9c;
}

.feature-item h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.feature-item p {
  font-size: 1.1rem;
}

/* Screenshots */
#screenshots {
  padding: 100px 0;
}

.thumbnail img {
  width: 100%;
  height: auto;
  margin-bottom: 30px;
}

/* Contact */
#contact {
  padding: 100px 0;
}

#contact h2 {
  margin-bottom: 50px;
  text-align: center;
  text-transform: uppercase;
}

#contact form input[type="text"],
#contact form input[type="email"],
#contact form textarea {
border-radius: 0;
background-color: transparent;
border: 2px solid rgba(255, 255, 255, 0.5);
color: #fff;
font-size: 1rem;
font-weight: 400;
padding: 10px;
margin-bottom: 20px;
width: 100%;
}

#contact form input[type="text"]:focus,
#contact form input[type="email"]:focus,
#contact form textarea:focus {
border-color: #1abc9c;
}

#contact form input[type="submit"] {
background-color: #1abc9c;
border-color: #1abc9c;
color: #fff;
text-transform: uppercase;
font-size: 1.2rem;
font-weight: 500;
padding: 15px 25px;
border-radius: 0;
transition: background-color 0.3s ease;
}

#contact form input[type="submit"]:hover {
background-color: transparent;
color: #1abc9c;
}

/* Footer */
footer {
padding: 50px 0;
background-color: #343a40;
}

footer p {
margin-bottom: 0;
color: #fff;
}

footer a {
color: #1abc9c;
}

.social-buttons {
margin: 0;
padding: 0;
list-style: none;
}

.social-buttons li {
display: inline-block;
margin: 0 10px;
}

.social-buttons li a i {
font-size: 2.2rem;
color: #fff;
transition: color 0.3s ease;
}

.social-buttons li a:hover i {
color: #1abc9c;
}

/* Navbar */
.navbar {
  padding: 10px 20px;
}

.navbar-brand {
  padding-left: 15px;
  padding-right: 15px;
}

/* Hamburger menu */
.navbar-toggler {
  margin-right: 0;
  padding: 0 10px;
}

/* Responsive links */
.navbar-nav {
  margin-left: auto;
  margin-right: -15px;
}

.navbar-nav > li > a {
  padding: 10px 15px;
}
.navbar-collapse {
  padding: 15px;
  margin-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-nav {
  margin-top: 10px;
}

.navbar-nav .nav-link {
  padding: 10px 0;
}
#ss1{
  transition: all 0.4s ease;
}

#ss1:hover {
  transform: scale(1.2);
}
#ss2{
  transition: all 0.4s ease;
}

#ss2:hover {
  transform: scale(1.2);
}
#ss3{
  transition: all 0.4s ease;
}

#ss3:hover {
  transform: scale(1.2);
}
#ss4{
  transition: all 0.4s ease;
}

#ss4:hover {
  transform: scale(1.2);
}