/* Zerobeat Games — site styles. Tokens from the Zerobeat Games design profile. */

@font-face { font-family: "Space Grotesk"; src: url("../fonts/SpaceGrotesk-Medium.woff") format("woff"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("../fonts/SpaceGrotesk-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  --surface-0: #0E1116;
  --surface-1: #161A21;
  --surface-2: #1E232C;
  --line: #2A303B;
  --ink: #F2F4F7;
  --ink-muted: #9AA3B2;
  --brand-green: #3DDC97;
  --signal: #3DDC97;
  --on-signal: #0E1116;
  --accent-amber: #FFB547;

  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --space-1: 4px; --space-2: 8px; --space-4: 16px; --space-6: 24px; --space-10: 40px; --space-16: 64px;
  --radius-sm: 6px; --radius-md: 12px; --radius-lg: 20px; --radius-pill: 999px;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface-0);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 24px;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--signal); text-underline-offset: 3px; }
a:hover { color: #7FF0BE; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(36px, 7vw, 72px); line-height: 1.05; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; }
h3 { font-size: 22px; line-height: 28px; font-weight: 500; }
p { margin: 0; }
.lede { font-size: 18px; line-height: 28px; color: var(--ink-muted); max-width: 60ch; }
.eyebrow {
  font-family: var(--display); font-weight: 500; font-size: 14px; line-height: 20px;
  text-transform: uppercase; letter-spacing: 0.3em; color: var(--signal);
}
.muted { color: var(--ink-muted); }
.mono { font-family: var(--mono); font-size: 14px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--space-4); }
@media (min-width: 720px) { .wrap { padding: 0 var(--space-10); } }

.skip { position: absolute; left: -999px; top: 0; background: var(--signal); color: var(--on-signal); padding: var(--space-2) var(--space-4); z-index: 10; }
.skip:focus { left: var(--space-4); }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); padding-top: var(--space-4); padding-bottom: var(--space-4); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 44px; height: auto; }
.brand span { font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -0.01em; }
.brand small { font-family: var(--display); font-weight: 500; font-size: 11px; letter-spacing: 0.3em; color: var(--signal); display: block; line-height: 1; margin-top: 2px; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); }
.site-nav a {
  display: inline-block; padding: 10px 4px; color: var(--ink-muted); text-decoration: none;
  font-family: var(--display); font-weight: 500; font-size: 16px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--signal); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 48px;
  padding: 12px 22px; border-radius: var(--radius-md); border: 1px solid transparent;
  font-family: var(--display); font-weight: 700; font-size: 16px; text-decoration: none; cursor: pointer;
}
.btn-primary { background: var(--signal); color: var(--on-signal); }
.btn-primary:hover { background: #7FF0BE; color: var(--on-signal); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink-muted); color: var(--ink); }
.btn[aria-disabled="true"] { background: var(--surface-2); color: var(--ink-muted); border-color: var(--line); cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* Sections */
main { display: block; }
.section { padding: var(--space-16) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: flex; flex-direction: column; gap: var(--space-4); margin-bottom: var(--space-10); max-width: 720px; }
.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack-lg { display: flex; flex-direction: column; gap: var(--space-6); }
.prose { max-width: 68ch; display: flex; flex-direction: column; gap: var(--space-4); }
.prose h2 { margin-top: var(--space-6); font-size: 28px; }
.prose ul { margin: 0; padding-left: 1.2em; display: flex; flex-direction: column; gap: var(--space-2); }

/* Hero */
.hero { padding: var(--space-16) 0; }
.hero .wrap { display: grid; gap: var(--space-10); align-items: center; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); } }
.hero-copy { display: flex; flex-direction: column; gap: var(--space-6); }
.hero-mark { max-width: 420px; width: 100%; justify-self: center; }
.hero-mark .wave { animation: pulse 2.4s ease-in-out infinite; }
.hero-mark .wave.outer { animation-delay: 0.4s; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .hero-mark .wave { animation: none; } }

/* Morse divider */
.morse { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.morse i { display: block; height: 8px; border-radius: var(--radius-pill); background: var(--line); }
.morse i.d { width: 8px; }
.morse i.l { width: 24px; }
.morse b { display: block; width: 16px; }
.morse.green i { background: var(--brand-green); }
.morse-rule { padding: var(--space-10) 0; }

/* Cards */
.grid-2 { display: grid; gap: var(--space-6); }
@media (min-width: 820px) { .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.grid-3 { display: grid; gap: var(--space-6); }
@media (min-width: 820px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card {
  background: var(--surface-1); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4);
}
.card h3 { font-size: 22px; }

.game-card { overflow: hidden; padding: 0; }
.game-card.cover-only { align-self: center; }
.game-card .body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); flex: 1; }
.game-card .body .btn-row { margin-top: auto; }
.badge {
  display: inline-block; align-self: flex-start; padding: 2px 10px; border-radius: var(--radius-pill);
  font-family: var(--display); font-weight: 500; font-size: 13px; letter-spacing: 0.05em;
  border: 1px solid var(--accent-amber); color: var(--accent-amber);
}

/* Abstract game cover: a tile grid, some tiles lit, some gone */
.cover-grid {
  display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px; padding: var(--space-6);
  background: var(--surface-2); aspect-ratio: 16 / 9;
}
.cover-grid span { border-radius: 4px; background: var(--line); }
.cover-grid span.on { background: var(--brand-green); }
.cover-grid span.off { background: transparent; outline: 1px dashed var(--line); outline-offset: -1px; }
.cover-grid span.amber { background: var(--accent-amber); }

/* Facts table */
.facts { width: 100%; border-collapse: collapse; }
.facts th, .facts td { text-align: left; vertical-align: top; padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts th { width: 38%; font-family: var(--display); font-weight: 500; color: var(--ink-muted); padding-right: var(--space-4); }

/* Logo downloads */
.logo-tile { background: var(--surface-0); border: 1px solid var(--line); border-radius: var(--radius-md); padding: var(--space-4); }
.logo-tile img { margin: 0 auto; max-height: 160px; width: auto; }
.dl { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }

.swatches { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.swatch { border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.swatch div { height: 64px; }
.swatch p { padding: 8px 12px; font-size: 13px; line-height: 18px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: var(--space-10) 0; color: var(--ink-muted); font-size: 14px; line-height: 20px; }
.site-footer .wrap { display: flex; flex-direction: column; gap: var(--space-6); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.footer-links a { color: var(--ink-muted); }
.footer-links a:hover { color: var(--ink); }

/* 404 */
.nosignal { min-height: 60vh; display: flex; align-items: center; }