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

body {
    font-family: Arial, sans-serif;
    background: #0f0f0f;
    color: #fff;
    line-height: 1.6;
}

/* NAV */
header {
    position: fixed;
    width: 100%;
    background: #111;
    padding: 15px 30px;
    top: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: centre;
}

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

nav a {
    text-decoration: none;
    color: #aaa;
}

nav a:hover {
    color: #fff;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: centre;
    align-items: centre;
    text-align: centre;
}

.hero span {
    color: #00d4ff;
}

/* SECTIONS */
.section {
    padding: 100px 20px;
    max-width: 900px;
    margin: auto;
}

h2 {
    margin-bottom: 20px;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #1a1a1a;
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* FORM */
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, textarea {
    padding: 10px;
    border: none;
    background: #222;
    color: #fff;
}

button {
    background: #00d4ff;
    color: #000;
    padding: 10px;
    border: none;
    cursor: pointer;
}

button:hover {
    opacity: 0.8;
}

.success {
    colour: lightgreen;
}

/* FOOTER */
footer {
    text-align: centre;
    padding: 20px;
    background: #111;
}