* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #101010;
    color: #eeeeee;
    font-family: Arial, sans-serif;
}

header {
    height: 72px;
    padding: 0 7%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(16, 16, 16, 0.85);
    backdrop-filter: blur(12px);

    border-bottom: 1px solid #292929;
}

.logo {
    color: white;
    font-size: 27px;
    font-weight: 900;
    text-decoration: none;
}

.logo span {
    color: #c8ff38;
}

nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

nav a {
    color: #bbbbbb;
    text-decoration: none;
    font-size: 14px;
}

nav a:hover {
    color: white;
}

.nav-button {
    padding: 11px 22px;
    border-radius: 30px;
    background: #c8ff38;
    color: #111;
    font-weight: bold;
}

.nav-button:hover {
    background: #d9ff70;
    color: #111;
}

.hero {
    max-width: 1000px;
    margin: 140px auto;
    padding: 0 25px;
}

.eyebrow {
    color: #c8ff38;
    font-size: 12px;
    letter-spacing: 3px;
}

h1 {
    font-size: clamp(45px, 9vw, 90px);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -4px;
}

.description {
    color: #999;
    line-height: 1.9;
    font-size: 15px;
    margin-bottom: 35px;
}

.primary-button {
    display: inline-block;
    padding: 16px 32px;

    border-radius: 40px;

    background: #c8ff38;
    color: #111;

    text-decoration: none;
    font-weight: bold;

    transition: 0.2s;
}

.primary-button:hover {
    box-shadow: 0 0 22px rgba(200, 255, 56, 0.3);
    transform: translateY(-2px);
}

footer {
    padding: 30px;
    text-align: center;
    color: #555;
    font-size: 11px;
    border-top: 1px solid #292929;
}

@media (max-width: 600px) {

    header {
        padding: 0 20px;
    }

    nav {
        gap: 18px;
    }

    .hero {
        margin: 100px auto;
    }

}