@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400&display=swap');

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

body {
    font-family: 'Open Sans', sans-serif;
    background: #ffffff;
    color: #333333;
    line-height: 1.6;
}

ul {
    list-style: none;
}

a {
    color: #333333;
    text-decoration: none;
}

h1,
h2 {
    font-weight: 300px;
    line-height: 1.2em;
}

p {
    margin: 10px 0;
}

img {
    width: 100%;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #333333;
    color: #ffffff;
    opacity: 0.9;
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    padding: 0 30px;
    transition: 1.3s;
}

.navbar a {
    color: #ffffff;
    padding: 0 30px;
    margin: 0 5px;
    padding-bottom: 10px;
}

.navbar.top {
    background: transparent;
}

.navbar a:hover {
    border-bottom: #28a745 4px solid;
}

.navbar ul {
    display: flex;
}

.navbar .logo {
    font-weight: 400;
}

.hero {
    background: url(home/showcase.jpg) no-repeat center center/cover;
    height: 100vh;
    position: relative;
    color: #ffffff;
}

.hero .content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: 0 20px;
}

.hero .content h1 {
    font-size: 55px;
    font-weight: 300;
}

.hero .content p {
    font-size: 23px;
    max-width: 600px;
    margin: 20px 0 30px;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero * {
    z-index: 10;
}

.icons {
    padding: 30px;
}

.icons h3 {
    font-weight: bold;
    margin-bottom: 15px;
}

.icons i {
    background-color: #28a745;
    color: #ffffff;
    padding: 1rem;
    border-radius: 50%;
    margin-bottom: 15px;
}

.flex-items {
    display: flex;
    text-align: center;
    justify-content: center;
    text-align: center;
    height: 100%;
}

.flex-items>div {
    padding: 20px;
}

.cases img:hover {
    opacity: 0.5;
}

.team img {
    border-radius: 50%;
}

.callback-form {
    width: 100%;
    padding: 20px 0;
}

.callback-form label {
    display: block;
    margin-bottom: 5px;
}

.callback-form .form-control {
    margin-bottom: 5px;
}

.form-control input {
    width: 100%;
    padding: 4px;
    height: 40px;
    border: #f5f5f5 1px solid;
}

input {
    width: 100%;
    padding: 20px;
    margin-bottom: 20px;
}

.callback-form input:focus {
    outline-color: #28a745;
}

.callback-form .btn {
    padding: 12px 0;
    margin-top: 20px;
}

.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 200px;
}

.footer a {
    color: #ffffff;
}

.footer a:hover {
    color: #28a745;
}

.footer .social>* {
    margin-right: 30px;
}