/* BlockUps — blockups.com. Palette follows the game (Assets/Scripts/Game/Neon.cs). */
@font-face { font-family: "Montserrat"; font-weight: 600; font-display: swap; src: url("fonts/Montserrat-SemiBold.ttf") format("truetype"); }
@font-face { font-family: "Montserrat"; font-weight: 800; font-display: swap; src: url("fonts/Montserrat-ExtraBold.ttf") format("truetype"); }
@font-face { font-family: "Montserrat"; font-weight: 900; font-display: swap; src: url("fonts/Montserrat-Black.ttf") format("truetype"); }

:root {
  --bg: #0a0a22; --bg-glow: #3a1a7a; --panel: #161b42; --panel-edge: #4452a8; --cell: #222a60; --board: #121637;
  --text: #f6f7ff; --dim: #9aa3d8;
  --yellow: #ffe324; --cyan: #22e4ff; --purple: #d23bff; --green: #2be070; --pink: #ff4fd8; --orange: #ff9a1f;
  --link: var(--cyan);
  --radius: 18px;
  --max: 1080px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
body { overflow-x: clip; }
body {
  margin: 0; min-height: 100vh; color: var(--text); background: var(--bg);
  background-image: radial-gradient(ellipse 80% 50% at 50% -10%, color-mix(in srgb, var(--bg-glow) 70%, transparent), transparent 70%);
  background-repeat: no-repeat;
  font: 600 16px/1.65 "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--panel); padding: 8px 12px; z-index: 10; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 5; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--panel-edge) 35%, transparent); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 900; font-size: 20px; letter-spacing: .5px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand b { color: var(--cyan); font-weight: 900; }
.site-nav { display: flex; gap: 20px; font-size: 14px; }
.site-nav a { color: var(--dim); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
@media (max-width: 640px) { .site-nav .opt { display: none; } .site-nav { gap: 14px; } }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--yellow); margin-bottom: 12px; font-weight: 800; }
h1, h2, h3 { font-weight: 900; line-height: 1.15; margin: 0 0 12px; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); letter-spacing: -.5px; }
.hero h1 .neon { color: var(--cyan); text-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 60%, transparent); }
.hero h1 .neon.pink { color: var(--pink); text-shadow: 0 0 18px color-mix(in srgb, var(--pink) 60%, transparent); }
.lead { font-size: 18px; color: var(--dim); max-width: 520px; margin: 0 0 28px; }
.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store-btn { display: inline-flex; align-items: center; gap: 12px; min-width: 190px; padding: 10px 18px; border-radius: 14px;
  background: #000; color: #fff; text-decoration: none; border: 1.5px solid #5a5a6e; transition: transform .15s, border-color .15s; }
.store-btn:hover { transform: translateY(-2px); border-color: var(--cyan); }
.store-btn svg { width: 28px; height: 28px; flex: none; }
.store-btn span { display: flex; flex-direction: column; line-height: 1.15; font-size: 20px; font-weight: 800; }
.store-btn small { font-size: 11px; font-weight: 600; letter-spacing: .3px; opacity: .85; }
.note { font-size: 13px; color: var(--dim); margin-top: 14px; }

/* Board mockup */
.board-wrap { position: relative; justify-self: center; width: min(100%, 400px); }
.board-wrap::before { content: ""; position: absolute; inset: -12%; background: radial-gradient(circle, color-mix(in srgb, var(--purple) 35%, transparent), transparent 65%); filter: blur(20px); z-index: -1; }
.board { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; padding: 12px; border-radius: 22px; background: var(--board);
  border: 2px solid var(--panel-edge); box-shadow: 0 18px 50px rgba(0, 0, 10, .55), inset 0 0 30px rgba(34, 228, 255, .06); aspect-ratio: 1; }
.board i { border-radius: 7px; background: var(--cell); position: relative; }
.board i.b { background: var(--c); box-shadow: 0 0 12px color-mix(in srgb, var(--c) 70%, transparent), inset 0 -4px 0 rgba(0, 0, 0, .22), inset 0 3px 0 rgba(255, 255, 255, .35); }
.board i.g::after { content: ""; position: absolute; inset: 24%; background: var(--c); transform: rotate(45deg); border-radius: 3px;
  box-shadow: 0 0 10px var(--c), 0 0 20px color-mix(in srgb, var(--c) 60%, transparent); animation: pulse 2.4s ease-in-out infinite; }
.board i.flash { animation: flash 3s ease-in-out infinite; }
.board i.pw::after { content: "✦"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 70%; }
/* Live board (assets/board.js): canvases replace the CSS mockup, which stays as the no-JS fallback. */
.board-wrap.live { aspect-ratio: 1; }
.board-wrap.live .board { visibility: hidden; position: absolute; inset: 0; }
.board-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
@keyframes pulse { 50% { transform: rotate(45deg) scale(.82); opacity: .8; } }
@keyframes flash { 0%, 70%, 100% { filter: none; } 80% { filter: brightness(1.8) saturate(.6); } }
.y { --c: var(--yellow); } .c { --c: var(--cyan); } .p { --c: var(--purple); } .gr { --c: var(--green); } .pk { --c: var(--pink); } .o { --c: var(--orange); }

/* Sections */
section { padding: 56px 0; }
.section-title { font-size: clamp(28px, 4vw, 40px); text-align: center; }
.section-sub { text-align: center; color: var(--dim); max-width: 620px; margin: 0 auto 36px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--panel); border: 1.5px solid color-mix(in srgb, var(--panel-edge) 55%, transparent); border-radius: var(--radius); padding: 22px; }
.card h3 { font-size: 19px; display: flex; align-items: center; gap: 10px; }
.card p { margin: 0; color: var(--dim); }
.dot { width: 14px; height: 14px; border-radius: 4px; background: var(--c); box-shadow: 0 0 10px var(--c); flex: none; }
.dot.gem { transform: rotate(45deg) scale(.85); border-radius: 3px; }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mode { border-top: 4px solid var(--c); }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps li { counter-increment: s; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 12px;
  background: var(--c); color: #0a0a22; font-weight: 900; font-size: 20px; box-shadow: 0 0 14px color-mix(in srgb, var(--c) 60%, transparent); }
@media (max-width: 860px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .grid, .modes, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .grid, .modes, .steps { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
details { background: var(--panel); border-radius: 14px; margin-bottom: 10px; border: 1.5px solid color-mix(in srgb, var(--panel-edge) 40%, transparent); }
summary { cursor: pointer; padding: 16px 20px; font-weight: 800; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--cyan); font-size: 22px; line-height: 1; }
details[open] summary::after { content: "–"; }
details > div { padding: 0 20px 16px; color: var(--dim); }
details > div p { margin: 0 0 8px; }

/* CTA */
.cta { text-align: center; background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 30%, var(--panel)), var(--panel));
  border-radius: 26px; padding: 44px 20px; border: 1.5px solid color-mix(in srgb, var(--purple) 45%, transparent); }
.cta .stores { justify-content: center; }

/* Document pages (privacy, terms, …) */
.doc { max-width: 780px; margin: 0 auto; padding: 48px 16px 72px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); }
.doc h2 { font-size: 21px; margin-top: 34px; color: var(--cyan); }
.doc h3 { font-size: 17px; margin-top: 18px; }
.doc p, .doc li { color: #d9dcf5; }
.doc .meta { color: var(--dim); font-size: 14px; margin-bottom: 24px; }
.doc .card { margin: 18px 0; }
.doc .card p, .doc .card li { color: #d9dcf5; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.doc th, .doc td { text-align: left; padding: 10px 8px; border-bottom: 1px solid color-mix(in srgb, var(--panel-edge) 45%, transparent); vertical-align: top; }
.doc th { color: var(--dim); font-weight: 800; }
.table-scroll { overflow-x: auto; }
.lang-switch { display: flex; gap: 8px; margin-bottom: 20px; font-size: 14px; }
.lang-switch a { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--panel-edge); text-decoration: none; color: var(--dim); }
.lang-switch a:hover { color: var(--text); border-color: var(--cyan); }
.path { display: inline-block; background: var(--cell); border-radius: 8px; padding: 1px 8px; color: var(--text); font-weight: 800; white-space: nowrap; }
hr { border: 0; border-top: 1px solid var(--panel-edge); opacity: .4; margin: 48px 0; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 14px; background: var(--cyan); color: #0a0a22; font-weight: 900; text-decoration: none; }
.btn:hover { filter: brightness(1.1); }

/* Footer */
.site-foot { border-top: 1px solid color-mix(in srgb, var(--panel-edge) 35%, transparent); padding: 32px 0 40px; margin-top: 24px; font-size: 14px; color: var(--dim); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-foot a { color: var(--dim); text-decoration: none; }
.site-foot a:hover { color: var(--text); }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }