/* =========================================================================
   Design tokens
   ========================================================================= */

:root {
    /* Palette (light) */
    --bg:          #FAF8F3;
    --surface:     #FFFFFF;
    --surface-2:   #F0ECE3;
    --text:        #1F2A33;
    --muted:       #5A6B77;
    --border:      #D8CFBE;
    --accent:      #2D5876;
    --accent-hi:   #3C7398;
    --accent-2:    #EF6C40;
    --code-bg:     #E8E3D8;
    --code-text:   #1F2A33;
    --shadow-sm:   0 1px 2px rgba(15, 40, 56, 0.06), 0 1px 1px rgba(15, 40, 56, 0.04);
    --shadow-md:   0 4px 16px rgba(15, 40, 56, 0.08), 0 2px 4px rgba(15, 40, 56, 0.05);

    /* Typography */
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4.5rem;

    --radius:    8px;
    --radius-lg: 14px;

    --nav-h:     60px;
    --measure:   72ch;
    --measure-wide: 1100px;

    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
}

/* Dark mode — explicit toggle */
[data-theme="dark"] {
    --bg:        #101820;
    --surface:   #162431;
    --surface-2: #1E3242;
    --text:      #E7EEF3;
    --muted:     #9BB0BE;
    --border:    #2A3F52;
    --accent:    #6FB2DB;
    --accent-hi: #9BCEEE;
    --accent-2:  #FF9567;
    --code-bg:   #1E3448;
    --code-text: #E7EEF3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45), 0 2px 4px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
}

/* Dark mode — auto (only if no explicit toggle) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg:        #101820;
        --surface:   #162431;
        --surface-2: #1E3242;
        --text:      #E7EEF3;
        --muted:     #9BB0BE;
        --border:    #2A3F52;
        --accent:    #6FB2DB;
        --accent-hi: #9BCEEE;
        --accent-2:  #FF9567;
        --code-bg:   #1E3448;
        --code-text: #E7EEF3;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45), 0 2px 4px rgba(0, 0, 0, 0.25);
        color-scheme: dark;
    }
}

/* =========================================================================
   Base
   ========================================================================= */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 1.6em 0 0.6em;
}
h1 { font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1.2vw, 1.9rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin: 0.6em 0 1em; }

a {
    color: var(--accent-hi);
    text-decoration: none;
    transition: color 0.15s ease, background-color 0.15s ease;
}
a:hover { text-decoration: underline; }

hr {
    margin: var(--space-6) 0;
    width: 20%;
    border: 0;
    border-top: 3px solid var(--accent);
}

code {
    font-family: var(--font-mono);
    font-size: 0.92em;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.08em 0.35em;
    border-radius: 4px;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}
pre {
    white-space: pre-wrap;
    font-family: var(--font-mono);
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
    font-size: 0.96rem;
    padding: 0.08em 0.55em;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
pre.code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: var(--space-3);
    font-size: 0.86rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    position: relative;
}
pre code { background: transparent; padding: 0; }
i { font-style: italic; letter-spacing: 0.07em; }

img { max-width: 100%; height: auto; }

:focus-visible {
    outline: 3px solid var(--accent-2);
    outline-offset: 2px;
    border-radius: 3px;
}

/* Skip link (a11y) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 8px;
    background: var(--accent);
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    z-index: 100;
}
.skip-link:focus { top: 8px; }

/* =========================================================================
   Top nav (replaces legacy .sidenav)
   ========================================================================= */

.topnav {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--nav-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.topnav-inner {
    display: flex;
    align-items: center;
    height: 100%;
    max-width: var(--measure-wide);
    margin: 0 auto;
    padding: 0 var(--space-5);
    gap: var(--space-5);
}

.topnav .brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 800;
    margin-right: var(--space-4);
}
.topnav .brand img { height: 32px; width: auto; display: block; }

.topnav .nav-links {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    flex: 1;
}
.topnav .nav-links a {
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 6px 10px;
    border-radius: 6px;
    text-decoration: none;
}
.topnav .nav-links a:hover {
    background: var(--surface-2);
    text-decoration: none;
}
.topnav .nav-links a.active {
    color: var(--accent);
    background: var(--surface-2);
}
.topnav .nav-spacer { flex: 1; }
.topnav .nav-tools { display: flex; gap: var(--space-2); align-items: center; }

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: var(--text);
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease;
}
.theme-toggle:hover { background: var(--surface-2); }

.nav-burger {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 36px; height: 36px;
    cursor: pointer;
    color: var(--text);
}

/* Main layout */
.main {
    margin: 0 auto;
    max-width: var(--measure);
    padding: var(--space-5) var(--space-5) var(--space-8);
    display: flow-root; /* contain floats (examples.html tab widget) */
}
.main.wide { max-width: var(--measure-wide); }

/* =========================================================================
   Buttons
   ========================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.08s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    line-height: 1;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hi); color: #fff; }

.btn-ghost {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}
.btn-ghost:hover { background: var(--accent); color: #fff; }

[data-theme="dark"] .btn-primary { color: #0B1620; }
[data-theme="dark"] .btn-ghost { color: var(--accent-hi); border-color: var(--accent-hi); }
[data-theme="dark"] .btn-ghost:hover { color: #0B1620; background: var(--accent-hi); }

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
    max-width: var(--measure-wide);
    margin: 0 auto;
    padding: var(--space-7) var(--space-5) var(--space-6);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-7);
    align-items: center;
}
.hero .hero-copy { min-width: 0; }
.hero .logo-mark { height: 52px; width: auto; margin-bottom: var(--space-4); }
.hero h1 {
    margin: 0 0 var(--space-4);
    font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.hero .sub {
    margin: 0 0 var(--space-5);
    color: var(--muted);
    font-size: clamp(1rem, 0.95rem + 0.3vw, 1.18rem);
    max-width: 40ch;
}
.hero .cta-row {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}
.hero .release-meta {
    font-size: 0.88rem;
    color: var(--muted);
    font-family: var(--font-mono);
    margin: 0;
}
.hero .release-meta .dot { margin: 0 0.5em; color: var(--border); }
.hero .release-meta .tag-os {
    display: inline-block;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 2px 8px;
    margin-right: 4px;
    font-size: 0.78rem;
    color: var(--text);
}
.hero .release-meta .tag-os-group {
    display: inline-block;
    white-space: nowrap;
}

/* =========================================================================
   Demo widget (tabs)
   ========================================================================= */

.hero .hero-demo {
    min-width: 0;
}
.demo {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    max-width: 100%;
}
.demo .demo-tabs {
    display: flex;
    gap: 0;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.demo .demo-tab {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 12px 16px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.demo .demo-tab:hover { color: var(--text); background: var(--surface); }
.demo .demo-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--surface);
}
.demo .demo-panel {
    display: none;
    padding: var(--space-4);
    grid-template-columns: 1fr;
    gap: var(--space-4);
    align-items: start;
    justify-items: stretch;
}
.demo .demo-panel.active { display: grid; }
.demo .demo-panel figure { justify-self: center; }
.demo .demo-panel > pre.code {
    margin: 0;
    background: var(--code-bg);
    color: var(--code-text);
    padding: var(--space-3);
    border-radius: var(--radius);
    font-size: 0.86rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    position: relative;
}
.demo .demo-panel figure {
    margin: 0;
    background: #F4F1EA;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    text-align: center;
}
.demo .demo-panel figure img {
    display: block;
    margin: 0 auto;
    width: 200px;
    height: 200px;
    max-width: 100%;
}
.demo .demo-panel figure figcaption {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 6px;
    text-align: center;
    border: none;
}
.demo .demo-panel p.note {
    grid-column: 1 / -1;
    margin: 0;
    font-size: 0.88rem;
    color: var(--muted);
}

/* Copy button */
.copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    cursor: pointer;
    color: var(--muted);
    transition: color 0.15s ease, background-color 0.15s ease;
}
.copy-btn:hover { color: var(--text); background: var(--surface-2); }
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }

/* =========================================================================
   Install block
   ========================================================================= */

.install {
    max-width: var(--measure-wide);
    margin: var(--space-6) auto;
    padding: var(--space-6) var(--space-5);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.install h2 { margin-top: 0; }
.install-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin: var(--space-5) 0 var(--space-4);
}
.install-grid--stacked {
    grid-template-columns: 1fr;
}
.install-grid .os-card {
    min-width: 0;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4);
}
.install-grid .os-card h3 {
    margin: 0 0 var(--space-3);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.install-grid pre {
    position: relative;
    margin: 0;
    background: var(--code-bg);
    padding: var(--space-3) var(--space-3) var(--space-3);
    border-radius: var(--radius);
    font-size: 0.82rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
}
.install .starter {
    margin: var(--space-4) 0 0;
    padding: var(--space-3) var(--space-4);
    background: var(--surface-2);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    font-size: 0.95rem;
}

/* =========================================================================
   Feature grid
   ========================================================================= */

.features {
    max-width: var(--measure-wide);
    margin: var(--space-7) auto;
    padding: 0 var(--space-5);
}
.features h2 { text-align: center; margin-bottom: var(--space-6); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}
.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: transform 0.1s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}
.feature .icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    border-radius: 8px;
    color: var(--accent);
    margin-bottom: var(--space-3);
}
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 { margin: 0 0 var(--space-2); font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* =========================================================================
   Showcase (mazes / unreachable)
   ========================================================================= */

.showcase {
    max-width: var(--measure-wide);
    margin: var(--space-7) auto;
    padding: 0 var(--space-5);
}
.showcase h2 { text-align: center; }
.showcase-boards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-5);
    justify-items: center;
    margin: var(--space-5) 0;
}
.board-card {
    background: #F4F1EA;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    margin: 0;
    box-shadow: var(--shadow-sm);
    max-width: 340px;
}
.board-card img { display: block; margin: 0 auto; }
.board-card figcaption {
    text-align: center;
    font-size: 0.88rem;
    color: #1F2A33;
    padding-top: 8px;
    border: none;
}
.board-card details {
    margin-top: 8px;
    font-size: 0.88rem;
    color: #1F2A33;
}
.board-card details summary {
    cursor: pointer;
    color: var(--accent);
    font-weight: 600;
}

/* =========================================================================
   Trust block
   ========================================================================= */

.trust {
    max-width: var(--measure-wide);
    margin: var(--space-7) auto;
    padding: var(--space-6) var(--space-5);
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.trust h2 { margin-top: 0; }
.trust .badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
    margin: var(--space-3) 0 var(--space-4);
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    color: var(--text);
}
.trust .users {
    color: var(--muted);
    font-size: 0.95rem;
    margin: var(--space-3) auto 0;
    max-width: 52ch;
}

/* =========================================================================
   Footer
   ========================================================================= */

.site-footer {
    margin-top: var(--space-8);
    padding: var(--space-6) var(--space-5);
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}
.site-footer .footer-inner {
    max-width: var(--measure-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr auto;
    gap: var(--space-5);
    align-items: start;
}
.site-footer h4 {
    color: var(--text);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 var(--space-2);
}
.site-footer a { color: var(--muted); display: block; padding: 2px 0; }
.site-footer a:hover { color: var(--accent); text-decoration: none; }
.site-footer .copy {
    grid-column: 1 / -1;
    padding-top: var(--space-4);
    margin-top: var(--space-4);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.82rem;
}

/* =========================================================================
   Docs-page helpers (legacy content on other pages)
   ========================================================================= */

figure.boardleft,
figure.boardright {
    display: inline-block;
    background: #F4F1EA;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin: var(--space-3);
}
figure figcaption {
    border: none;
    text-align: center;
    padding-top: 6px;
    font-size: 0.88rem;
    color: var(--muted);
}

.sampleGames {
    text-indent: 4em;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* Examples page: table of contents */
.examples-toc {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4) var(--space-5);
    margin: var(--space-5) 0 var(--space-6);
    display: inline-block;
    min-width: 260px;
}
.examples-toc p {
    font-weight: 600;
    margin: 0 0 var(--space-2);
    color: var(--text);
}
.examples-toc ol {
    margin: 0;
    padding-left: var(--space-5);
}
.examples-toc li { margin: var(--space-2) 0; }
.examples-toc a { color: var(--accent); text-decoration: none; }
.examples-toc a:hover { text-decoration: underline; }

/* Examples page: individual sections */
.example-section {
    border-top: 1px solid var(--border);
    padding-top: var(--space-6);
    margin-top: var(--space-7);
}
.example-section:first-of-type {
    border-top: none;
    padding-top: 0;
    margin-top: var(--space-4);
}

/* Legacy Pandoc syntax highlighting (preserved for docs pages) */
.cql {
    code { white-space: pre-wrap; }
    span.smallcaps { font-variant: small-caps; }
    span.underline { text-decoration: underline; }
    div.column { display: inline-block; vertical-align: top; width: 50%; }
    div.hanging-indent { margin-left: 1.5em; text-indent: -1.5em; }
    ul.task-list { list-style: none; }
    pre > code.sourceCode { white-space: pre; position: relative; }
    pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
    pre > code.sourceCode > span:empty { height: 1.2em; }
    code.sourceCode > span { color: inherit; text-decoration: inherit; }
    div.sourceCode { margin: 1em 0; }
    pre.sourceCode { margin: 0; }
    @media screen { div.sourceCode { overflow: auto; } }
    @media print { pre > code.sourceCode { white-space: pre-wrap; } }
    div.sourceCode { background-color: var(--code-bg); border-radius: var(--radius); padding: 0.4em 0.6em; }
    code span.al { color: #ef2929; }
    code span.an { color: #8f5902; font-weight: bold; font-style: italic; }
    code span.at { color: #c4a000; }
    code span.bn { color: #0000cf; }
    code span.cf { color: var(--accent); font-weight: bold; }
    code span.ch { color: #4e9a06; }
    code span.cn { color: inherit; }
    code span.co { color: #8f5902; font-style: italic; }
    code span.dt { color: var(--accent); }
    code span.dv { color: #8b008b; }
    code span.er { color: #a40000; font-weight: bold; }
    code span.fl { color: #0000cf; }
    code span.kw { color: var(--accent); font-weight: bold; }
    code span.op { color: var(--accent-2); font-weight: bold; }
    code span.ot { color: #8f5902; }
    code span.pp { color: #8f5902; font-style: italic; }
    code span.sc { color: inherit; }
    code span.ss { color: #4e9a06; }
    code span.st { color: #b22222; }
    code span.va { color: inherit; }
    code span.vs { color: #4e9a06; }
    code span.wa { color: #8f5902; font-weight: bold; font-style: italic; }
}
[data-theme="dark"] .cql {
    code span.cf, code span.kw, code span.dt { color: var(--accent); }
    code span.op { color: var(--accent-2); }
    code span.dv { color: #E68EE6; }
    code span.st { color: #FFB3B3; }
    code span.co { color: #C4A06A; }
    code span.ss, code span.ch, code span.vs { color: #A8DD85; }
}

/* Pandoc sourceCode blocks */
div.sourceCode {
    background-color: var(--code-bg);
    color: var(--code-text);
    border-radius: var(--radius);
    padding: var(--space-3);
    position: relative;
    font-size: 0.86rem;
    line-height: 1.5;
    overflow-x: auto;
}
div.sourceCode pre {
    margin: 0;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    background: transparent;
    font-size: inherit;
    line-height: inherit;
}
div.sourceCode code {
    font-size: 1.1em;
}

/* Dark-mode board backgrounds: keep boards on warm light card for legibility */
[data-theme="dark"] figure.boardleft,
[data-theme="dark"] figure.boardright,
[data-theme="dark"] .board-card {
    background: #F4F1EA;
    border-color: #C4B59D;
}
[data-theme="dark"] figure figcaption,
[data-theme="dark"] .board-card figcaption,
[data-theme="dark"] .board-card details {
    color: #1F2A33;
}

/* Email obfuscation (preserved from original) */
#contact { font-weight: bold; }
span.email { display: none; }
span.email1:before { content : "r" }
span.email1:after { content : "99@" }
span.email2:after { content : "mail.com" }

.spoiler {
    color: grey;
    background-color: grey;
    transition: all 0.2s ease;
}
.spoiler:hover { background-color: white; color: black; }

/* Visually-hidden utility */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* =========================================================================
   Responsive
   ========================================================================= */

@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    .install-grid { grid-template-columns: 1fr; }
    .site-footer .footer-inner { grid-template-columns: 1fr 1fr; }
    .demo .demo-panel { grid-template-columns: 1fr; }
    .demo .demo-panel figure { max-width: 240px; margin: 0 auto; }
}

@media (max-width: 720px) {
    .topnav-inner { padding: 0 var(--space-3); gap: var(--space-2); }
    .topnav .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0; right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: var(--space-2);
    }
    .topnav .nav-links.open { display: flex; }
    .topnav .nav-links a { width: 100%; }
    .nav-burger { display: inline-flex; align-items: center; justify-content: center; }
    .site-footer .footer-inner { grid-template-columns: 1fr; }
    .main { padding: var(--space-4); }
}

/* =========================================================================
   Comparison table
   ========================================================================= */

.comparison { margin: var(--space-7) 0; }
.comparison h2 { margin-bottom: var(--space-5); }

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
    padding: 0.6rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.comparison-table thead th {
    background: var(--surface-2);
    font-weight: 600;
    white-space: nowrap;
}

.comparison-table tbody tr:hover {
    background: var(--surface-2);
}

.comparison-table td:first-child {
    font-weight: 500;
    width: 28%;
}

/* =========================================================================
   Definition block
   ========================================================================= */

.definition-block {
    background: var(--surface);
    border-radius: var(--radius);
    padding: var(--space-5) var(--space-6);
    margin: var(--space-6) 0;
    border: 1px solid var(--border);
}

.definition-block h2 { margin-top: 0; }