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

:root {
    --primary-colour: #c8c8c8;
    --secondary-colour: #7e7e7e;
    --accent-colour: #f90;
    --background-colour: #1a1a2e;
    --surface-colour: #16213e;
    --border-colour: #2a2a4a;
    --text-muted: #888;
}

html {
    scroll-behavior: smooth;
}

#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

body {
    background-color: var(--background-colour);
    color: var(--primary-colour);
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--accent-colour);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

/* NAV */

nav {
    background-color: var(--surface-colour);
    border-bottom: 1px solid var(--border-colour);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav-container {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8em 1.5em;
}

.nav-logo a {
    color: var(--primary-colour);
    font-size: 1.25em;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.nav-logo a span {
    color: var(--accent-colour);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-colour);
    color: var(--primary-colour);
    font-size: 1.3em;
    padding: 0.2em 0.5em;
    cursor: pointer;
    line-height: 1;
}

.nav-links {
    display: flex;
    gap: 2em;
}

.nav-links a {
    color: var(--secondary-colour);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-colour);
    text-decoration: none;
}

.nav-cta {
    color: var(--accent-colour) !important;
    font-weight: 600;
}

/* BUTTONS */

.btn {
    display: inline-block;
    padding: 0.75em 2em;
    background-color: var(--accent-colour);
    color: #111;
    font-weight: 600;
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover {
    background-color: #e08800;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-colour);
    border: 2px solid var(--accent-colour);
}

.btn-outline:hover {
    background-color: var(--accent-colour);
    color: #111;
}

/* FOOTER */

footer {
    border-top: 1px solid var(--border-colour);
    padding: 2em 1.5em;
    text-align: center;
    color: var(--secondary-colour);
    font-size: 0.85em;
}

footer .footer-container {
    max-width: 960px;
    margin: 0 auto;
}

footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 2em;
    margin-bottom: 1em;
    flex-wrap: wrap;
}

footer .footer-links a {
    color: var(--secondary-colour);
    font-size: 0.85em;
    text-decoration: none;
}

footer .footer-links a:hover {
    color: var(--primary-colour);
}

/* MOBILE NAV */

@media (max-width: 600px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--surface-colour);
        border-bottom: 1px solid var(--border-colour);
        padding: 1em 1.5em;
        gap: 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        padding: 0.6em 0;
        border-bottom: 1px solid var(--border-colour);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        font-size: 1em;
    }
}