@import url('https://fonts.googleapis.com/css2?family=Raleway:ital,wght@0,400;0,700;1,300;1,900&display=swap');

:root {
    --color-white: #fff;
    --color-black: #000;
    --color-gray: #333;
    --color-light-gray: #f7f7f7;
}

body {
    font-family: 'Raleway', sans-serif;
    margin: 0;
    padding: 0;
}

#page-wrapper {
    background-color: var(--color-light-gray);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

#header {
    background-color: var(--color-white);
    padding: 60px 0 30px;
    text-align: center;
}

.header-image {
    position: relative;
}

.header-image img {
    width: 100%;
    z-index: 1;
}

.header-text {
    position: absolute;
    top: 20%;
    left: 5%;
    margin-right: 30%;
    color: var(--color-white);
    text-align: left;
    z-index: 2;
}

.header-text h1 {
    font-size: 4em;
    margin-bottom: 20px;
}

.header-text p {
    font-size: 1.5em;
}

.header-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 1.0), rgba(0, 0, 0, 0));
    z-index: 0;
}

#nav-bar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    color: var(--color-black);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

#nav-bar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

#nav-bar li {
    margin-right: 20px;
}

#nav-bar img {
    height: 50px;
    margin-right: 50px;
    margin-left: 20px;
}

.nav-link {
    color: var(--color-black);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #666;
}

#overview {
    background-color: var(--color-white);
    text-align: center;
    padding: 60px 0;
}

#video {
    margin-top: 40px;
}

#features {
    padding: 60px 0 0;
    text-align: center;
}

.grid {
    display: inline-block;
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    width: 100%;
}

.icon {
    flex: 1;
    text-align: center;
    margin: auto;
}

.desc {
    flex: 3;
    text-align: center;
}

#pricing {
    padding: 60px 0;
    text-align: center;
}

.product {
    border: 1px solid var(--color-gray);
    padding: 30px;
    display: inline-block;
    margin-bottom: 50px;
    max-width: 800px;
    width: 100%;
}

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

.btn {
    padding: 15px 30px;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: block;
    margin: 0 auto;
}

.btn:hover {
    background-color: var(--color-gray);
}

#form-section {
    background-color: var(--color-white);
    text-align: center;
    padding: 0 0 60px;
}

#form {
    width: 60%;
    margin: 0 auto;
}

#email {
    width: 80%;
    padding: 10px;
    margin-bottom: 20px;
    text-align: center;
}

#email::placeholder {
    text-align: center;
}

#submit {
    width: 50%;
}

footer {
    background-color: var(--color-white);
    color: var(--color-gray);
    padding: 40px 0;
    text-align: center;
    position: relative;
    font-size: 14px;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
    z-index: -1;
}

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

ul li {
    display: inline;
    margin: 0 10px;
}

ul li a {
    color: var(--color-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

ul li a:hover {
    color: #999;
}

span {
    display: block;
    margin-top: 20px;
}

@media only screen and (max-width: 768px) {
    .container {
        width: 95%;
    }

    #nav-bar {
        padding: 20px 0;
    }

    #header-img {
        width: 120px;
    }

    .btn {
        padding: 12px 24px;
    }
}