:root {
    --ld-black: #0a0a0b;
    --ld-white: #f5f5f4;
    --ld-muted: rgba(245, 245, 244, 0.72);
    --ld-accent: #22d3ee;
    --ld-accent-dim: rgba(34, 211, 238, 0.14);
    --ld-border: rgba(245, 245, 244, 0.12);
    --ld-card: rgba(255, 255, 255, 0.04);
}

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

html { overflow-x: clip; scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Instrument Sans", system-ui, sans-serif;
    color: var(--ld-white);
    background:
        radial-gradient(900px 500px at 15% -5%, var(--ld-accent-dim), transparent 55%),
        radial-gradient(700px 400px at 85% 10%, rgba(99, 102, 241, 0.1), transparent 50%),
        var(--ld-black);
    line-height: 1.6;
}

a { color: var(--ld-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(720px, calc(100% - 2rem)); margin-inline: auto; }

.site-header {
    padding: 1rem 0;
    border-bottom: 1px solid var(--ld-border);
}

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

.nav-logo {
    font-family: Syne, system-ui, sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    color: var(--ld-white);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.1rem;
}

.nav-links a {
    color: var(--ld-muted);
    font-size: 0.95rem;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--ld-white);
    text-decoration: none;
}

main { flex: 1; }

.hero {
    padding: 3.5rem 0 2.5rem;
}

.hero h1 {
    margin: 0 0 1.25rem;
    font-family: Syne, system-ui, sans-serif;
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
    max-width: 18ch;
}

.hero-lede {
    margin: 0;
    max-width: 42rem;
    color: var(--ld-muted);
    font-size: 1.1rem;
}

.section {
    padding: 2.5rem 0;
    border-top: 1px solid var(--ld-border);
}

.section h2 {
    margin: 0 0 1rem;
    font-family: Syne, system-ui, sans-serif;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.section p {
    margin: 0;
    color: var(--ld-muted);
    max-width: 42rem;
}

.callout {
    padding: 1.25rem 1.35rem;
    border-radius: 14px;
    border: 1px solid var(--ld-border);
    background: var(--ld-card);
}

.callout h2 {
    margin: 0 0 0.65rem;
    font-size: 1rem;
    font-family: inherit;
    letter-spacing: 0;
}

.callout p {
    margin: 0;
    font-size: 0.95rem;
}

.callout a { font-weight: 500; }

.cta-row {
    padding: 2rem 0 3.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    background: var(--ld-accent);
    color: var(--ld-black) !important;
    font-weight: 600;
    text-decoration: none !important;
}

.btn-primary:hover { filter: brightness(1.05); }

.page-header {
    padding: 2.5rem 0 1.5rem;
}

.page-header h1 {
    margin: 0 0 1rem;
    font-family: Syne, system-ui, sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    letter-spacing: -0.03em;
}

.page-header p {
    margin: 0;
    color: var(--ld-muted);
    max-width: 42rem;
}

.post-list {
    list-style: none;
    margin: 2rem 0 0;
    padding: 0;
    border-top: 1px solid var(--ld-border);
}

.post-list li {
    border-bottom: 1px solid var(--ld-border);
}

.post-list a {
    display: block;
    padding: 1.15rem 0;
    color: var(--ld-white);
    text-decoration: none;
}

.post-list a:hover { text-decoration: none; }

.post-list a:hover .post-title { color: var(--ld-accent); }

.post-title {
    display: block;
    font-family: Syne, system-ui, sans-serif;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    transition: color 0.15s ease;
}

.post-date {
    display: block;
    margin-top: 0.2rem;
    color: var(--ld-muted);
    font-size: 0.9rem;
}

.post-empty {
    margin: 2rem 0 0;
    padding: 1.25rem 0;
    border-top: 1px solid var(--ld-border);
    color: var(--ld-muted);
    font-size: 0.95rem;
}

.post-list--preview {
    margin-top: 1.25rem;
}

.devlog-more {
    margin: 0.75rem 0 0;
    font-size: 0.95rem;
}

.article {
    padding: 0 0 3rem;
}

.article-header {
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid var(--ld-border);
}

.article-header h1 {
    margin: 0 0 0.5rem;
    font-family: Syne, system-ui, sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.article-date {
    margin: 0;
    color: var(--ld-muted);
    font-size: 0.9rem;
}

.prose {
    padding: 2rem 0 0;
    max-width: 42rem;
    color: var(--ld-muted);
}

.prose h2 {
    margin: 2rem 0 0.75rem;
    color: var(--ld-white);
    font-family: Syne, system-ui, sans-serif;
    font-size: 1.15rem;
}

.prose p { margin: 0 0 1rem; }

.prose ul {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
}

.prose li { margin-bottom: 0.35rem; }

.prose code {
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.35);
    font-size: 0.9em;
}

.back-link {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--ld-muted);
}

.back-link:hover { color: var(--ld-white); }

.site-footer {
    margin-top: auto;
    padding: 2rem 0 2.5rem;
    border-top: 1px solid var(--ld-border);
}

.footer-teaser {
    margin: 0 0 1.25rem;
    max-width: 42rem;
    color: var(--ld-muted);
    font-size: 0.95rem;
}

.footer-meta {
    margin: 0;
    color: var(--ld-muted);
    font-size: 0.85rem;
}