:root {
  --ground: #0b0e14; --surface: #121722; --line: rgba(255,255,255,0.10);
  --ink: #eef2f7; --ink2: #a3aec0; --ink3: #6b7788;
  --rec: #ff4d57; --mint: #3ee0c0; --gold: #ffd36a;
  --display: "Syne", "Avenir Next", sans-serif;
  --body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: 920px; margin: 0 auto; padding: 24px max(16px, env(safe-area-inset-left)) 48px max(16px, env(safe-area-inset-right)); }
.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 1.3rem; }
.brand img { border-radius: 10px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--rec); margin: 0 0 8px; }
h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.05; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-family: var(--display); font-weight: 700; font-size: 1.25rem; margin: 0 0 6px; }
.lead { color: var(--ink2); font-size: 1.1rem; max-width: 56ch; margin: 16px 0 0; }
.hint { color: var(--ink3); font-size: 0.9rem; margin: 12px 0 0; }
.challenge { border: 1px solid var(--mint); border-radius: 18px; padding: 24px; margin-bottom: 40px; background: var(--surface); }
.challenge .eyebrow { color: var(--mint); }
.code { font-family: var(--mono); font-weight: 600; font-size: clamp(2rem, 10vw, 3.6rem); letter-spacing: 0.22em; color: var(--gold); margin: 18px 0 4px; user-select: all; }
/* Store badges: official artwork. Both files are cropped to the badge edge
   (Google's PNG ships with transparent clear space), so one height makes them
   the same visual size. Apple's minimum on screen is 40px tall. */
.stores { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.badge { display: inline-block; line-height: 0; border-radius: 9px; }
.badge img { display: block; height: 48px; width: auto; }
.badge:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.badge[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.games { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.game { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: var(--surface); }
.game p { margin: 0; color: var(--ink2); font-size: 0.95rem; }
.privacy-note, .note { padding: 36px 0; border-bottom: 1px solid var(--line); }
.privacy-note p, .note p { color: var(--ink2); margin: 0; max-width: 64ch; }
.game .game__tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mint); margin: 0 0 6px; }
.foot { display: flex; flex-wrap: wrap; gap: 20px; padding-top: 28px; color: var(--ink3); font-size: 0.9rem; }
.foot a { color: var(--ink2); }
.doc h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
.doc h2 { margin-top: 32px; }
.doc p, .doc li { color: var(--ink2); max-width: 70ch; overflow-wrap: anywhere; }
.doc .date { font-family: var(--mono); font-size: 12px; color: var(--ink3); }
@media (max-width: 720px) { .games { grid-template-columns: 1fr; } }

/* Hero: the concept site's viewfinder hero (two columns, animated phone). */
.hero { padding: 8px 0 36px; border-bottom: 1px solid var(--line); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__grid > * { min-width: 0; }
.hero h1 em { font-style: normal; color: var(--rec); }
.hero__pitch { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--ink2); max-width: 56ch; margin: 22px 0 0; }
.hero__pitch strong { color: var(--ink); font-weight: 600; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.fact { padding: 16px 16px 0 0; }
.fact__n { font-family: var(--display); font-weight: 800; font-size: clamp(1.4rem, 2.4vw, 2rem); font-variant-numeric: tabular-nums; white-space: nowrap; }
.fact__l { color: var(--ink2); font-size: 0.9rem; margin-top: 2px; }
.phone-wrap { display: flex; justify-content: center; }
.phone { width: min(300px, 100%); max-width: 100%; aspect-ratio: 9 / 19; border-radius: 42px; background: #0a0c10; padding: 10px; box-shadow: 0 30px 80px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.08); position: relative; }
.screen { position: absolute; inset: 10px; border-radius: 34px; overflow: hidden; background: radial-gradient(120% 90% at 50% 20%, #203042 0%, #0f1722 55%, #0a0f16 100%); color: #eaf1f6; font-family: var(--mono); }
.screen > * { position: absolute; }
.hud-rec { top: 18px; left: 18px; font-size: 11px; letter-spacing: 0.08em; display: flex; align-items: center; gap: 6px; }
.hud-rec i { width: 8px; height: 8px; border-radius: 50%; background: #ff4d57; animation: blink 1.1s steps(2, end) infinite; }
.hud-combo { top: 16px; right: 18px; font-size: 12px; font-weight: 600; color: #ffd36a; animation: pop 2.4s ease-in-out infinite; transform-origin: right top; }
.lane { top: 16%; left: 0; right: 0; height: 26%; }
.lane__ground { position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px; background: rgba(255,255,255,0.35); }
.runner { position: absolute; left: 24%; bottom: 2px; width: 28px; height: 28px; border-radius: 8px; background: #3ee0c0; transform: translateY(-62px); animation: jump 2.4s cubic-bezier(.3,.9,.6,1) infinite; }
.runner::before, .runner::after { content: ""; position: absolute; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: #0b0e14; }
.runner::before { left: 7px; } .runner::after { right: 7px; }
.obstacle { position: absolute; bottom: 2px; left: 0; width: 22px; height: 30px; border-radius: 4px 4px 2px 2px; background: #ff4d57; transform: translateX(80px); animation: slide 2.4s linear infinite; }
.obstacle--2 { height: 18px; width: 18px; animation-delay: -1.2s; opacity: .85; }
.face { top: 38%; left: 0; right: 0; bottom: 0; }
.face svg { width: 100%; height: 100%; display: block; }
.mouth { transform-box: fill-box; transform-origin: 50% 50%; transform: scaleY(1); animation: mouth 2.4s ease-in-out infinite; }
.brackets { inset: 12px; pointer-events: none; }
.brackets::before, .brackets::after, .brackets i::before, .brackets i::after { content: ""; position: absolute; width: 16px; height: 16px; border: 2px solid rgba(62,224,192,0.8); }
.brackets::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.brackets::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.brackets i::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.brackets i::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.brackets i { position: absolute; inset: 0; }
.readout { left: 18px; right: 18px; bottom: 18px; font-size: 11px; }
.readout__row { display: flex; justify-content: space-between; color: #bcd; }
.readout__bar { position: relative; height: 6px; border-radius: 3px; background: rgba(255,255,255,0.14); margin-top: 6px; overflow: hidden; }
.readout__fill { position: absolute; inset: 0 auto 0 0; width: 82%; background: #3ee0c0; border-radius: 3px; animation: jawbar 2.4s ease-in-out infinite; }
.readout__tick { position: absolute; top: -3px; bottom: -3px; left: 60%; width: 2px; background: #ff4d57; }
.readout__val { color: #3ee0c0; }
.readout__fire { margin-top: 8px; color: #ffd36a; font-weight: 600; letter-spacing: 0.1em; animation: firelabel 2.4s steps(1, end) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
@keyframes mouth { 0%, 25% { transform: scaleY(0.18); } 36%, 56% { transform: scaleY(1); } 66%, 100% { transform: scaleY(0.18); } }
@keyframes jawbar { 0%, 25% { width: 9%; } 36%, 56% { width: 82%; } 66%, 100% { width: 9%; } }
@keyframes jump { 0%, 34% { transform: translateY(0); } 46%, 58% { transform: translateY(-62px); } 68%, 100% { transform: translateY(0); } }
@keyframes slide { 0% { transform: translateX(300px); } 100% { transform: translateX(-60px); } }
@keyframes pop { 0%, 44% { transform: scale(1); } 50% { transform: scale(1.25); } 60%, 100% { transform: scale(1); } }
@keyframes firelabel { 0%, 34% { opacity: 0; } 36%, 60% { opacity: 1; } 62%, 100% { opacity: 0; } }
@media (max-width: 860px) { .hero__grid { grid-template-columns: minmax(0, 1fr); } .phone-wrap { order: -1; } .phone { width: min(260px, 100%); } }
@media (max-width: 640px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (prefers-reduced-motion: reduce) { .hud-rec i, .hud-combo, .runner, .obstacle, .mouth, .readout__fill, .readout__fire { animation: none; } .readout__fire { opacity: 1; } .obstacle { transform: translateX(150px); } .obstacle--2 { transform: translateX(40px); } }