/* New Code NLP Games — marketing site. Design vocabulary mirrors the
   Apple app (Design/tokens/colors.css + fonts.css). */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap');

:root {
    --paper: #FBF9F5;
    --paper-alt: #F5F1EA;
    --ink: #2A2722;
    --ink-2: #6C665B;
    --ink-3: #978F81;
    --accent: #B25E37;
    --accent-ink: #8F4827;
    --accent-soft: #F0E2D8;
    --rule: rgba(42, 39, 34, 0.08);

    --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
    --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;

    --measure: 32rem;
    --max: 44rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #1A1815;
        --paper-alt: #221F1A;
        --ink: #F2EEE5;
        --ink-2: #A8A091;
        --ink-3: #7C7567;
        --accent-soft: #3A2A1F;
        --rule: rgba(242, 238, 229, 0.10);
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    max-width: var(--max);
    width: 100%;
    padding: 6rem 1.5rem 4rem;
    margin: 0 auto;
}

@media (max-width: 640px) {
    main { padding: 3rem 1.25rem 3rem; }
}

header.brand {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
header.brand a {
    color: var(--ink);
    text-decoration: none;
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
}
header.brand .mark {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--accent);
}

h1 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 1.25rem;
}

h2 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: -0.01em;
    margin: 3rem 0 1rem;
}

h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.005em;
    margin: 1.5rem 0 0.25rem;
}

p {
    margin: 0 0 1.125rem;
    max-width: var(--measure);
    color: var(--ink-2);
}

p.lede {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: 2rem;
}

a { color: var(--accent-ink); }
a:hover { color: var(--accent); }

@media (prefers-color-scheme: dark) {
    a { color: var(--accent); }
    a:hover { color: var(--accent-soft); }
}

ul.games {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 2rem;
    display: grid;
    gap: 1rem;
}
ul.games li {
    padding: 1rem 1.25rem;
    background: var(--paper-alt);
    border-radius: 12px;
    border: 1px solid var(--rule);
}
ul.games strong {
    display: block;
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.15rem;
}
ul.games span {
    color: var(--ink-2);
    font-size: 0.95rem;
}

.callout {
    padding: 1.25rem 1.5rem;
    background: var(--accent-soft);
    border-radius: 12px;
    margin: 2rem 0;
}
.callout p { margin: 0; color: var(--accent-ink); }
@media (prefers-color-scheme: dark) {
    .callout p { color: var(--paper); }
}

footer {
    border-top: 1px solid var(--rule);
    padding: 2rem 1.5rem 3rem;
    max-width: var(--max);
    margin: 0 auto;
    width: 100%;
    color: var(--ink-3);
    font-size: 0.875rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    align-items: baseline;
}
footer .copy { margin-right: auto; }
footer a { color: var(--ink-2); text-decoration: none; }
footer a:hover { color: var(--accent-ink); text-decoration: underline; }
@media (prefers-color-scheme: dark) {
    footer a:hover { color: var(--accent); }
}