* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
}

header {
    background-color: #000000; /* Header is black */
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ccc;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08); /* Container shadow */
}

.logo {
    font-weight: bold;
    font-size: 20px;
    color: #ffffff; /* White text */
}

nav {
    display: flex;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #ffffff; /* White nav links */
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #d6f5f0; /* Soft teal hover */
}

.sign-in {
    margin-left: 20px;
    padding: 6px 15px;
    border: none;
    color: #000000;
    background-color: #FFFFFF; /* Bright blue */
    border-radius: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}


main {
    padding: 50px 80px;
    width: 100vw;
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
}

.tagline {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #000000; /* Fresh green */
}

.subtagline {
    font-size: 18px;
    font-style: italic;
    color: #000000; /* Sky blue */
}

.content {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    gap: 40px;
    flex-wrap: wrap;
    width: 100%;
}

.video-box {
    width: 400px;
    height: 600px;
    background-color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #999;
    border-radius: 10px;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); /* Subtle shadow */
}

.video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.description {
    flex: 1;
    font-size: 17px;
    line-height: 1.8;
    font-weight: 400;
    color: #000000; /* Changed from dark gray to black */
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
    letter-spacing: 0.3px;
    padding: 10px 0;
}

.cta {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.get-started {
    padding: 14px 40px;
    font-size: 18px;
    background-color: #000000; /* Sea blue */
    border: none;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    color: #ffffff;
    transition: background-color 0.3s ease;
}