* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #f5f3f0; --panel: #fafafa; --border: #d4d0cc;
    --text: #1a1a1a; --dim: #6a6a6a; --accent: #5a4fcf;
    --available: #2d8a4e; --coming: #b8860b; --dev: #888;
}
html, body { background: var(--bg); color: var(--text); min-height: 100vh; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    padding: 0;
}

/* ── Nav ── */
.navbar {
    max-width: 960px; margin: 0 auto; padding: 16px 24px;
    display: flex; align-items: center; gap: 16px;
}
.nav-brand {
    display: flex; align-items: center; gap: 8px;
    font-size: 18px; font-weight: 700; color: var(--text);
    text-decoration: none;
}
.nav-logo { width: 32px; height: auto; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a {
    color: var(--dim); text-decoration: none; font-size: 15px; font-weight: 500;
}
.nav-links a:hover { color: var(--text); }

.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 4px; padding: 4px; margin-left: auto;
}
.hamburger span {
    display: block; width: 22px; height: 2px; background: var(--text);
    border-radius: 1px; transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 520px) {
    .hamburger { display: flex; }
    .nav-links {
        display: none; position: absolute; top: 56px; left: 0; right: 0;
        background: var(--panel); border-bottom: 1px solid var(--border);
        flex-direction: column; padding: 16px 24px; gap: 12px; z-index: 100;
    }
    .navbar.open .nav-links { display: flex; }
    .navbar.open .hamburger span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
    .navbar.open .hamburger span:nth-child(2) { opacity: 0; }
    .navbar.open .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }
    .navbar { position: relative; }
}

/* ── Header ── */
header { max-width: 800px; margin: 0 auto 48px; padding: 24px 24px 0; text-align: center; }
header .logo { width: 180px; margin: 0 auto 16px; display: block; }
header h1 { font-size: 52px; font-weight: 700; letter-spacing: -0.02em; }
header .tagline { color: var(--dim); font-size: 18px; margin-top: 8px; }
header .subtitle {
    color: var(--dim); font-size: 14px; margin-top: 12px;
    line-height: 1.5; max-width: 540px; margin-left: auto; margin-right: auto;
}

/* ── Game grid ── */
.games { max-width: 800px; margin: 0 auto; padding: 0 24px;
         display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 680px) { .games { grid-template-columns: 1fr; } }

.game { background: var(--panel); border: 1px solid var(--border);
        border-radius: 10px; padding: 24px; display: flex;
        flex-direction: column; position: relative; }
.game h2 { font-size: 22px; margin-bottom: 4px; }
.game .genre { font-size: 12px; color: var(--dim); text-transform: uppercase;
               letter-spacing: 0.04em; margin-bottom: 12px; }
.game .desc { color: var(--dim); font-size: 14px; line-height: 1.45;
              margin-bottom: 16px; flex: 1; }

.badge { display: inline-block; font-size: 11px; font-weight: 600;
         text-transform: uppercase; letter-spacing: 0.06em;
         padding: 3px 10px; border-radius: 999px; }
.badge.available { background: #e6f4ec; color: var(--available); }
.badge.coming    { background: #fdf4e0; color: var(--coming); }
.badge.dev       { background: #f0f0f0; color: var(--dev); }

/* ── Buttons ── */
.btn { display: inline-block; text-decoration: none; text-align: center;
       padding: 10px 20px; border-radius: 6px; font-weight: 600;
       font-size: 14px; margin-top: 12px; align-self: flex-start; }
.btn:hover { filter: brightness(1.08); }
.btn.primary { background: var(--accent); color: #fff; }

/* ── Downloads (game landing pages) ── */
.downloads { display: flex; flex-direction: column; gap: 6px; }
.downloads .label { font-size: 12px; color: var(--dim);
                    text-transform: uppercase; letter-spacing: 0.05em;
                    margin-bottom: 4px; }
a.dl { display: flex; justify-content: space-between; align-items: center;
       text-decoration: none; color: var(--text);
       padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
       font-size: 14px; background: #fff; }
a.dl:hover { background: #f4f4f4; }
a.dl.featured { border-color: var(--accent); border-width: 2px; padding: 7px 11px; }
a.dl .size { color: var(--dim); font-size: 12px; }
a.dl.disabled { opacity: 0.45; pointer-events: none; }

/* ── Card layout (game landing pages) ── */
.page-content { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.page-header { text-align: center; margin-bottom: 36px; }
.page-header h1 { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; }
.page-header p { color: var(--dim); font-size: 16px; margin-top: 8px; line-height: 1.5; }

.card-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 680px) { .card-row { grid-template-columns: 1fr; } }

.card { background: var(--panel); border: 1px solid var(--border);
        border-radius: 10px; padding: 28px; display: flex;
        flex-direction: column; }
.card h2 { font-size: 24px; margin-bottom: 8px; }
.card p.sub { color: var(--dim); margin-bottom: 20px; line-height: 1.4; font-size: 14px; }

.note { max-width: 800px; margin: 24px auto 0; padding: 0 24px;
        text-align: center; color: var(--dim); font-size: 12px; }

/* ── About page ── */
.about { max-width: 640px; margin: 0 auto; padding: 48px 24px; }
.about h1 { font-size: 36px; font-weight: 700; margin-bottom: 24px; }
.about p { color: var(--dim); font-size: 15px; line-height: 1.6; margin-bottom: 16px; }
.about a { color: var(--accent); text-decoration: none; }
.about a:hover { text-decoration: underline; }

/* ── Footer ── */
.footer { max-width: 800px; margin: 48px auto 0; padding: 0 24px 24px;
          text-align: center; color: var(--dim); font-size: 12px; line-height: 1.6; }
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ── Back link ── */
.back { display: inline-block; color: var(--accent); text-decoration: none;
        font-size: 14px; margin-bottom: 24px; }
.back:hover { text-decoration: underline; }

/* ── Version tag (game landing pages) ── */
.version-tag { margin-top: auto; padding-top: 18px; color: var(--dim);
               font-size: 12px; }
.version-tag .label { text-transform: uppercase; letter-spacing: 0.05em;
                      margin-right: 6px; }
.version-tag code { font-family: ui-monospace, Menlo, Consolas, monospace;
                    background: #ebebeb; padding: 1px 6px; border-radius: 999px;
                    font-size: 12px; color: var(--text); }

/* ── Install-help expandos (game landing pages) ── */
.help-stack { max-width: 720px; margin: 36px auto 0; display: grid; gap: 12px; }
details.install-help { background: var(--panel); border: 1px solid var(--border);
                       border-radius: 8px; padding: 0; overflow: hidden; }
details.install-help > summary { cursor: pointer; padding: 14px 20px;
                                 font-size: 14px; color: var(--text);
                                 list-style: none; user-select: none; }
details.install-help > summary::-webkit-details-marker { display: none; }
details.install-help > summary::before { content: "▸  "; color: var(--dim);
                                         display: inline-block; width: 1em; }
details.install-help[open] > summary::before { content: "▾  "; }
details.install-help .body { padding: 0 20px 20px; font-size: 14px;
                             color: var(--text); line-height: 1.5; }
details.install-help h3 { font-size: 15px; margin: 16px 0 6px;
                          color: var(--text); font-weight: 600; }
details.install-help h3:first-child { margin-top: 8px; }
details.install-help p { margin-bottom: 8px; color: var(--text); }
details.install-help ol { margin: 6px 0 8px 20px; color: var(--text); }
details.install-help ol li { margin-bottom: 4px; }
details.install-help ul { margin: 6px 0 8px 20px; color: var(--text); }
details.install-help ul li { margin-bottom: 4px; }
details.install-help .compact-list { list-style: none; margin: 8px 0 0; }
details.install-help .compact-list li { margin-bottom: 10px; }
details.install-help code { font-family: ui-monospace, Menlo, Consolas, monospace;
                            background: #ebebeb; padding: 1px 5px;
                            border-radius: 3px; font-size: 13px; }
details.install-help .aside { color: var(--dim); font-size: 12.5px;
                              margin-top: 6px; }