/* Shufflebox site: dark retro theme. No frameworks, no web fonts, no trackers. */
:root {
  --bg: #0b0b0d;
  --bg2: #141418;
  --panel: #1c1c21;
  --line: #2c2c33;
  --fg: #e6e6ea;
  --dim: #9a9aa5;
  --red: #ff0000;
  --red-dark: #b30000;
  --amber: #ffb000;
  --radius: 4px;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "Lucida Console", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 var(--sans);
  /* subtle scanlines + pixel grid */
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at 50% -10%, rgba(255,0,0,.16), transparent 60%);
  background-attachment: fixed;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--amber); }
a:hover { color: #ffd060; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg2); border: 1px solid var(--line); padding: 0 .3em; border-radius: 3px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: #000; padding: 8px 14px; z-index: 10; font-weight: 700; }
.skip:focus { left: 8px; }
.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; }

.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px clamp(16px, 4vw, 40px); background: rgba(11,11,13,.92); border-bottom: 2px solid var(--red);
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font: 700 16px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.brand img { image-rendering: auto; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.topbar nav a { color: var(--dim); text-decoration: none; font: 600 14px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.topbar nav a:hover { color: var(--amber); }

main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }

.hero { text-align: center; padding: clamp(48px, 9vw, 96px) 0 40px; }
.logo { margin: 0 auto 18px; width: clamp(112px, 18vw, 168px); filter: drop-shadow(0 0 28px rgba(255,0,0,.35)); }
h1 {
  margin: 0; font: 800 clamp(44px, 8vw, 84px)/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--fg); text-shadow: 4px 4px 0 var(--red-dark), 0 0 24px rgba(255,0,0,.35);
}
.tagline { max-width: 640px; margin: 22px auto 0; font-size: clamp(18px, 2.4vw, 22px); color: var(--fg); }
.hl { color: var(--amber); font-weight: 700; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 32px; }
.fineprint { margin-top: 16px; color: var(--dim); font: 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: var(--radius);
  font: 700 16px var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  border: 2px solid transparent; transition: transform .08s, box-shadow .08s, background .15s;
}
.btn-primary { background: var(--red); color: #fff; box-shadow: 5px 5px 0 #000, 0 0 0 2px #000 inset; font-size: 19px; padding: 18px 34px; }
.btn-primary:hover { color: #fff; background: #ff2a2a; transform: translate(-1px,-1px); box-shadow: 7px 7px 0 #000, 0 0 22px rgba(255,0,0,.5); }
.btn-primary:active { transform: translate(3px,3px); box-shadow: 2px 2px 0 #000; }
.btn-small { font-size: 15px; padding: 12px 22px; margin-top: 8px; }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--line); box-shadow: 5px 5px 0 #000; }
.btn-secondary:hover { color: var(--amber); border-color: var(--amber); }
.btn-donate { background: var(--amber); color: #000; box-shadow: 5px 5px 0 #000; }
.btn-donate:hover { color: #000; background: #ffc433; }

.section { padding: 48px 0; border-top: 1px solid var(--line); }
h2 { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; font: 800 clamp(24px, 3.4vw, 32px) var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.pix { width: 14px; height: 14px; background: var(--red); box-shadow: 14px 0 0 var(--amber); margin-right: 14px; flex: none; }
h3 { margin: 0 0 6px; font: 700 17px var(--mono); color: var(--amber); text-transform: uppercase; letter-spacing: .05em; }

.video-frame { border: 2px solid var(--line); background: #000; padding: 6px; box-shadow: 8px 8px 0 #000, 0 0 40px rgba(255,0,0,.12); }
.caption, .hint { color: var(--dim); font-size: 15px; }

.features { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.features li { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--red); padding: 18px 18px 14px; }
.features p { margin: 0; color: var(--fg); font-size: 15.5px; }

.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.gallery figure { margin: 0; background: var(--panel); border: 1px solid var(--line); padding: 10px; display: flex; flex-direction: column; }
.gallery figure.wide { grid-column: 1 / -1; }
.gallery a.zoom { display: block; background: #000; cursor: zoom-in; flex: 1; display: flex; align-items: center; justify-content: center; }
.gallery a.zoom img { max-height: 620px; width: auto; }
.gallery figcaption { margin-top: 10px; color: var(--dim); font-size: 15px; }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); padding: 22px; }
.card.note { border-left: 4px solid var(--amber); }
.card p { margin: 0 0 10px; }
.ticks { margin: 0 0 12px; padding-left: 0; list-style: none; }
.ticks li { position: relative; padding-left: 24px; margin-bottom: 8px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .55em; width: 10px; height: 10px; background: var(--red); }

.donate { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 18px; }

.footer { margin-top: 40px; padding: 28px clamp(16px, 4vw, 40px); border-top: 2px solid var(--red); background: var(--bg2); color: var(--dim); text-align: center; font-size: 14px; }
.footer p { margin: 6px 0; }

dialog#lightbox { padding: 0; border: 2px solid var(--red); background: var(--bg); color: var(--fg); max-width: 96vw; max-height: 94vh; }
dialog#lightbox::backdrop { background: rgba(0,0,0,.85); }
dialog#lightbox img { max-width: 94vw; max-height: 84vh; width: auto; margin: 0 auto; }
.lb-caption { margin: 0; padding: 10px 14px; color: var(--dim); font-size: 15px; }
.lb-close { position: absolute; top: 6px; right: 8px; width: 40px; height: 40px; border: 0; background: var(--red); color: #fff; font-size: 28px; line-height: 1; cursor: pointer; }

@media (max-width: 720px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 6px; }
  .gallery { grid-template-columns: 1fr; }
  .btn-primary { width: 100%; justify-content: center; }
}