/* Sand demo page. Tokens first; everything else reads them. */
@font-face { font-family: "Space Grotesk"; src: url("fonts/space-grotesk-latin-wght-normal.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans-latin-wght-normal.woff2") format("woff2"); font-weight: 100 1000; font-display: swap; }
:root {
  --bg: #110c09; --ink: #f6ecdc; --muted: #b9aa94; --line: #2e241c; --card: #18120e; --card-2: #211913;
  --amber: #f3a64f; --amber-2: #ffcf8a; --ember: #d9682c;
  --stage-a: #2e1d12; --stage-b: #0b0705;
  --r: 24px; --gap: 16px;
  --display: "Space Grotesk", system-ui, sans-serif; --body: "DM Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: radial-gradient(1200px 600px at 70% -10%, #2a1a10 0%, transparent 60%), var(--bg); color: var(--ink); font: 17px/1.6 var(--body); }
a { color: inherit; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--amber); color: #1b120b; padding: 10px 14px; border-radius: 10px; z-index: 10; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 24px; padding: 14px clamp(16px, 4vw, 48px); background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(12px); }
.brand { font: 700 22px/1 var(--display); text-decoration: none; letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 16px; height: 16px; background: radial-gradient(circle at 30% 30%, var(--amber-2) 0 2px, transparent 2.5px), radial-gradient(circle at 70% 40%, var(--amber) 0 2px, transparent 2.5px), radial-gradient(circle at 45% 75%, var(--ember) 0 2.2px, transparent 2.7px), radial-gradient(circle at 80% 80%, var(--amber-2) 0 1.6px, transparent 2px); }
.top nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--muted); padding: 12px 0; }
.top nav a:hover { color: var(--ink); }
.cta { background: linear-gradient(180deg, var(--amber-2), var(--amber)); color: #1d130b; text-decoration: none; padding: 12px 20px; border-radius: 999px; font-weight: 700; font-size: 15px; min-height: 44px; display: inline-flex; align-items: center; box-shadow: 0 6px 24px rgba(243, 166, 79, .25); }

.intro { padding: clamp(28px, 6vw, 80px) clamp(16px, 4vw, 48px) 28px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 56px; align-items: end; }
.kicker { grid-column: 1 / -1; margin: 0; font: 600 13px/1 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--amber); }
h1 { margin: 0; font: 700 clamp(84px, 16vw, 220px)/.84 var(--display); letter-spacing: -0.06em;
  background: radial-gradient(circle at 20% 30%, rgba(255,255,255,.55) 0 1px, transparent 1.5px) 0 0/7px 7px, linear-gradient(170deg, #ffe3b0 0%, #f3a64f 45%, #b8612b 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
h1 .dot { color: var(--ember); -webkit-text-fill-color: var(--ember); }
.lede { margin: 0 0 14px; font-size: clamp(18px, 1.55vw, 21px); color: var(--muted); max-width: 40ch; }

.play { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--gap); padding: 0 clamp(16px, 4vw, 48px) 56px; }
.stage { position: relative; height: min(76vh, 780px); min-height: 440px; border-radius: var(--r); overflow: hidden; background: linear-gradient(180deg, var(--stage-a), var(--stage-b)); box-shadow: inset 0 0 0 1px rgba(255, 220, 170, .08), 0 30px 80px -30px rgba(0, 0, 0, .8); outline: none; transition: background .5s; }
.stage:focus-visible { box-shadow: inset 0 0 0 3px var(--amber); }
.poster, .stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.poster { object-fit: cover; transition: opacity .7s; }
.stage canvas { touch-action: none; cursor: crosshair; opacity: 0; transition: opacity .5s; -webkit-user-select: none; user-select: none; }
[data-sand].s-live .stage canvas { opacity: 1; }
[data-sand].s-live .poster { opacity: 0; pointer-events: none; }
.gravity { position: absolute; top: 16px; left: 16px; z-index: 2; display: flex; align-items: center; gap: 6px; padding: 6px 12px 6px 8px; border-radius: 999px; background: rgba(0, 0, 0, .35); color: var(--ink); font: 600 12px/1 var(--display); letter-spacing: .08em; text-transform: uppercase; pointer-events: none; backdrop-filter: blur(6px); }
.gravity svg { width: 20px; height: 20px; transform: rotate(var(--turn, 0deg)); transition: transform .6s cubic-bezier(.3, 1.4, .5, 1); }
.stage-reset { position: absolute; top: 12px; right: 12px; z-index: 2; display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 18px; border: 0; border-radius: 999px; background: rgba(255, 245, 230, .92); color: #1d130b; font: 700 15px var(--body); cursor: pointer; box-shadow: 0 6px 18px rgba(0, 0, 0, .3); }
.stage-reset svg { width: 20px; height: 20px; }
.stage-reset:hover { background: #fff; }
.hint { position: absolute; left: 50%; bottom: 84px; transform: translateX(-50%); margin: 0; padding: 9px 16px; border-radius: 999px; background: rgba(12, 8, 6, .72); color: #fff; font-size: 14px; white-space: nowrap; pointer-events: none; transition: opacity .5s; backdrop-filter: blur(6px); }
.hint.s-hide, .hint:empty { opacity: 0; }
.fallback { position: absolute; left: 16px; right: 16px; bottom: 16px; margin: 0; padding: 12px 16px; background: var(--card); border-radius: 12px; }
.read { position: absolute; left: 16px; bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; pointer-events: none; }
.read div { background: rgba(14, 10, 8, .62); backdrop-filter: blur(8px); border-radius: 12px; padding: 8px 12px; min-width: 104px; box-shadow: inset 0 0 0 1px rgba(255, 230, 190, .1); color: #fff; }
.read span { display: block; font-size: 12px; color: #d8c8b0; }
.read b { font: 600 20px/1.2 var(--display); font-variant-numeric: tabular-nums; }
.read i { font-style: normal; font-size: 13px; color: #d8c8b0; margin-left: 2px; }

.panel { background: var(--card); border-radius: var(--r); padding: 20px; box-shadow: inset 0 0 0 1px var(--line); display: flex; flex-direction: column; gap: 22px; align-self: start; }
.panel h2 { margin: 0 0 10px; font: 600 13px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.mats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.mats button { appearance: none; border: 0; cursor: pointer; min-height: 74px; border-radius: 14px; padding: 42px 2px 6px; font: 600 12px/1.15 var(--body); color: var(--ink);
  background: linear-gradient(to bottom, transparent 0 36px, var(--card-2) 36px) no-repeat, radial-gradient(circle at 30% 30%, var(--a) 0 2.6px, transparent 3.1px) 0 0/8px 8px, radial-gradient(circle at 75% 70%, var(--b) 0 2.2px, transparent 2.7px) 0 0/7px 7px, var(--c); box-shadow: inset 0 0 0 1px var(--line); }
.mats button[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--amber); }
.acts, .toggles { display: flex; flex-wrap: wrap; gap: 8px; }
.toggles { margin-top: 10px; }
.acts button, .toggles button { appearance: none; border: 0; cursor: pointer; min-height: 44px; padding: 0 16px; border-radius: 999px; background: var(--card-2); box-shadow: inset 0 0 0 1px var(--line); font: 600 14px var(--body); color: var(--ink); }
.acts button:hover, .toggles button:hover { background: #2b2018; }
.acts button[aria-pressed="true"], .toggles button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.acts .hero-btn { background: linear-gradient(180deg, var(--amber-2), var(--amber)); color: #1d130b; box-shadow: none; }
.counts { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.counts div { background: var(--card-2); border-radius: 12px; padding: 8px 12px; }
.counts dt { font-size: 12px; color: var(--muted); }
.counts dd { margin: 0; font: 600 18px var(--display); font-variant-numeric: tabular-nums; }

.how, .faq { padding: 64px clamp(16px, 4vw, 48px); max-width: 1240px; }
.how h2, .faq h2 { font: 700 clamp(34px, 4.4vw, 56px)/1.02 var(--display); letter-spacing: -0.035em; margin: 0 0 28px; }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cols article { border-top: 1px solid var(--line); padding-top: 18px; }
.num { font: 600 13px var(--display); color: var(--amber); letter-spacing: .12em; }
.cols h3 { font: 600 22px var(--display); margin: 8px 0 8px; }
.cols p { margin: 0; color: var(--muted); }
.faq details { border-top: 1px solid var(--line); padding: 8px 0; max-width: 780px; }
.faq summary { cursor: pointer; font: 600 19px var(--display); min-height: 48px; display: flex; align-items: center; }
.faq summary::marker { color: var(--amber); }
.faq p { margin: 0 0 14px; color: var(--muted); }
.foot { padding: 32px clamp(16px, 4vw, 48px) 48px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--line); }
.foot a { color: var(--amber-2); }

@media (max-width: 960px) {
  .play { grid-template-columns: 1fr; }
  .intro { grid-template-columns: 1fr; }
  .cols { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .top { gap: 12px; }
  .top nav { display: none; }
  .cta { margin-left: auto; padding: 10px 16px; font-size: 14px; }
  .stage { height: 62svh; min-height: 380px; border-radius: 18px; }
  .read { left: 10px; bottom: 10px; gap: 6px; }
  .read div { min-width: 0; padding: 6px 10px; }
  .read b { font-size: 17px; }
  .hint { font-size: 13px; bottom: 76px; white-space: normal; width: max-content; max-width: calc(100% - 32px); text-align: center; }
  .stage-reset { min-height: 44px; padding: 0 14px; font-size: 14px; }
  .mats { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
  .mats button { min-height: 66px; font-size: 12px; }
}