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

html,
body {
    width: 100%;
    height: 100%;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    background:
        linear-gradient(rgba(0,0,0,.55), rgba(0,0,0,.65)),
        url("../images/background.jpg");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;

    color: white;
}

nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 25px 70px;

    background: rgba(0,0,0,.35);
    backdrop-filter: blur(8px);
}

nav h1 {
    font-size: 32px;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

nav a {
    color: white;
    text-decoration: none;
    transition: .25s;
}

nav a:hover {
    color: #00d9ff;
}

.hero {

    height: calc(100vh - 90px);

    display:flex;
    justify-content:center;
    align-items:center;

    flex-direction:column;

    text-align:center;
}

.hero h2 {

    font-size:72px;

    margin-bottom:20px;

    text-shadow:0 4px 15px black;

}

.hero p{

    font-size:22px;

    max-width:700px;

    margin-bottom:40px;

    text-shadow:0 2px 10px black;

}

.button-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    align-items: center;
}

.button {
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    color: white;
    background: #0078ff;
    transition: 0.3s;

    width: 260px;
    text-align: center;
    display: inline-block;
}

.button:hover{

    background:#00b7ff;

    transform:translateY(-2px);

}

nav h1 a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.25s ease;
}

nav h1 a:hover {
    color: #00d9ff;
    text-shadow: 0 0 12px rgba(0, 217, 255, 0.6);
}

.shield {
    color: #2aa8ff;
    text-shadow: 0 0 8px rgba(42, 168, 255, 0.7);
}

.key {
    color: #ffd54a;
    text-shadow: 0 0 8px rgba(255, 213, 74, 0.7);
}