@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@900&display=swap');

/* ============================================================
   Design tokens
   ============================================================ */
:root {
    --background:          oklch(0.1 0 0);
    --foreground:          oklch(0.62 0.18 30);
    --muted:               oklch(0.5 0.1 25);
    --subtle:              oklch(0.85 0.05 25);
    --border:              oklch(0.62 0.18 30 / 0.3);
    --card:                oklch(0.12 0 0);
    --terminal-glow:       0 0 20px oklch(0.62 0.18 30 / 0.4);
    --terminal-glow-hover: 0 0 25px oklch(0.62 0.18 30 / 0.6);

    --font-mono:    'Courier New', Courier, monospace;
    --font-display: 'Orbitron', monospace;

    --container-width: 1100px;
    --section-padding: 5rem 1.5rem;
}

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

/* ============================================================
   Base
   ============================================================ */
html { font-size: 16px; scroll-behavior: smooth; }

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: var(--font-mono);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    color: var(--foreground);
    text-decoration: underline;
    text-underline-offset: 3px;
}
a:hover { opacity: 0.75; }

h1, h2, h3 { line-height: 1.2; font-weight: bold; }

/* ============================================================
   Layout
   ============================================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section { padding: var(--section-padding); }
.section--alt { background-color: var(--card); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1;
    letter-spacing: 0.05em;
    text-decoration: none;
    text-shadow:
        0 0 8px oklch(0.62 0.18 30 / 0.8),
        0 0 20px oklch(0.62 0.18 30 / 0.4);
}

.site-header nav { display: flex; gap: 2rem; }

.site-header nav a {
    text-decoration: none;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    padding-block: 8rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero__logo {
    font-family: var(--font-display);
    font-size: clamp(5rem, 15vw, 10rem);
    line-height: 1;
    letter-spacing: 0.05em;
    text-shadow:
        0 0 10px oklch(0.62 0.18 30 / 0.9),
        0 0 30px oklch(0.62 0.18 30 / 0.6),
        0 0 60px oklch(0.62 0.18 30 / 0.35),
        0 0 100px oklch(0.62 0.18 30 / 0.15);
}

.hero__tagline {
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    color: var(--subtle);
}

.hero__sub {
    font-size: 1rem;
    color: var(--muted);
    max-width: 48ch;
}

/* ============================================================
   Section title
   ============================================================ */
.section-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
    margin-bottom: 2.5rem;
}

/* ============================================================
   Projects
   ============================================================ */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    border: 1px solid var(--border);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: box-shadow 200ms ease, border-color 200ms ease;
}

.project-card:hover {
    box-shadow: var(--terminal-glow);
    border-color: oklch(0.62 0.18 30 / 0.6);
}

.project-card--wip {
    opacity: 0.6;
}

.project-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.project-card__name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

.project-card__desc {
    color: var(--muted);
    font-size: 0.9rem;
    flex: 1;
}

.project-card__link {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 150ms ease;
}

.project-card__link:hover { opacity: 1; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
    font-size: 0.6875rem;
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
    padding: 0.2em 0.6em;
    border: 1px solid currentColor;
    white-space: nowrap;
}

.badge--live {
    color: oklch(0.62 0.18 30);
    border-color: oklch(0.62 0.18 30 / 0.5);
}

.badge--wip {
    color: var(--muted);
    border-color: var(--muted);
}

/* ============================================================
   About
   ============================================================ */
.about__body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 64ch;
    color: var(--muted);
    font-size: 0.9375rem;
}

.about__body a { color: var(--foreground); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    font-size: 0.875rem;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================================
   Utilities
   ============================================================ */
.muted  { color: var(--muted); }
.subtle { color: var(--subtle); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
    .site-header nav { gap: 1.25rem; }
    .hero { padding-block: 5rem; }
    .footer__inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}