/* StateLess-Cube — product page.
 *
 * One stylesheet, no build step. Same lessons as the game apply here:
 * no blur filters on big surfaces, no animated shadows, and motion on the
 * compositor only (transform / opacity).
 */

:root {
  --bg: #08060f;
  --bg-2: #150e2e;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.11);
  --text: #f6f2ff;
  --muted: #a99ccd;

  --pink: #ff3fa4;
  --violet: #7c5cff;
  --cyan: #31d8ff;
  --grad: linear-gradient(110deg, var(--pink), var(--violet) 52%, var(--cyan));

  --radius: 28px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --max: 1160px;
  --pad: clamp(20px, 5vw, 40px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont,
               "Segoe UI", Inter, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }

/* -- ambient backdrop (gradients only, no blur filters) ------------------ */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(52vw 52vw at 10% 2%, rgba(255, 63, 164, 0.30), transparent 62%),
    radial-gradient(48vw 48vw at 92% 14%, rgba(124, 92, 255, 0.34), transparent 64%),
    radial-gradient(56vw 56vw at 50% 98%, rgba(49, 216, 255, 0.18), transparent 66%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 55%, var(--bg));
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
  background-image: url("grain.png");
  background-size: 180px;
}

.wrap {
  width: min(100% - (var(--pad) * 2), var(--max));
  margin-inline: auto;
}

/* -- nav ----------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 6, 15, 0.7);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo img { border-radius: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.btn:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.1); }

/* -- store buttons ------------------------------------------------------- */

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px 12px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
  line-height: 1.15;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.store:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.11); }

.store small {
  display: block;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.mark { width: 22px; height: 22px; flex: none; }
.mark-apple { margin-top: -2px; }

/* -- hero ---------------------------------------------------------------- */

/* clip, not hidden: the decorative art may bleed, but never scroll */
.hero { padding: clamp(36px, 6vw, 74px) 0 clamp(20px, 3vw, 40px); overflow-x: clip; }

.hero .wrap {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 0.86fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
}

.hero-copy { min-width: 0; }

h1 {
  font-size: clamp(2.6rem, 7.4vw, 6rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin-top: 18px;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 600;
  color: var(--muted);
}

.hero .stores { margin-top: clamp(26px, 4vw, 38px); }

/* the phone, with two worlds peeking out behind it */

.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  width: clamp(230px, 27vw, 310px);
  aspect-ratio: 560 / 1218;
  border-radius: 44px;
  padding: 9px;
  background: linear-gradient(160deg, #3b3160, #16122a 45%, #2a2347);
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.16) inset,
    0 40px 90px rgba(8, 4, 24, 0.7),
    0 0 90px rgba(124, 92, 255, 0.35);
  animation: float 7s ease-in-out infinite;
}

.phone video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 36px;
  background: #ece8f5;
}

.notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 31%;
  height: 20px;
  border-radius: var(--radius-pill);
  background: #0a0714;
  z-index: 2;
}

.video-play {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--grad);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

/* a class selector would otherwise beat the browser's [hidden] rule */
.video-play[hidden] { display: none; }

.peek {
  position: absolute;
  top: 50%;
  width: clamp(130px, 17vw, 200px);
  border-radius: 24px;
  border: 1px solid var(--border);
  opacity: 0.5;
  pointer-events: none;
}

.peek-l { left: 0;  transform: translateY(-54%) rotate(-11deg); }
.peek-r { right: 0; transform: translateY(-46%) rotate(11deg); }

@keyframes float {
  50% { transform: translateY(-14px); }
}

/* -- the rules, in three words ------------------------------------------- */

.rules { padding: clamp(24px, 4vw, 44px) 0; }

.rules .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(14px, 4vw, 44px);
}

.rule {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
}

.rule span { font-size: 1.4em; line-height: 1; }

/* -- feature blocks ------------------------------------------------------ */

.feature { padding: clamp(44px, 6vw, 84px) 0; }

.feature .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(30px, 6vw, 80px);
}

.feature-flip .feature-copy { order: 2; }

h2 {
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.feature-copy p {
  margin-top: 16px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--muted);
}

.feature-art { display: flex; justify-content: center; min-width: 0; }

.single img,
.fan img {
  border-radius: 26px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 70px rgba(8, 4, 24, 0.6);
}

.single img { width: clamp(210px, 25vw, 290px); }

.fan {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 100%;
}

/* the overlap is margin, not transform, so the row really is this narrow */
.fan img { width: clamp(132px, 15.5vw, 195px); }

.fan img:first-child  { transform: rotate(-9deg); margin-right: clamp(-54px, -4.2vw, -30px); z-index: 1; }
.fan img:nth-child(2) { position: relative; z-index: 3; }
.fan img:last-child   { transform: rotate(9deg);  margin-left: clamp(-54px, -4.2vw, -30px);  z-index: 2; }

/* -- the worlds shelf ---------------------------------------------------- */

.worlds { padding: clamp(20px, 4vw, 40px) 0 clamp(50px, 8vw, 90px); }

.worlds .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.world {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 10px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.world:hover { transform: translateY(-4px); background: rgba(255, 255, 255, 0.1); }

.dot {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  font-size: 1.3rem;
  color: #130d24;
  box-shadow: 0 8px 20px rgba(8, 4, 24, 0.45);
}

@media (min-width: 1000px) {
  .worlds .wrap { grid-template-columns: repeat(9, 1fr); }
}

/* -- get it -------------------------------------------------------------- */

.get { padding: 0 0 clamp(60px, 9vw, 110px); }

.get .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  padding: clamp(42px, 7vw, 76px) var(--pad);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(124, 92, 255, 0.3), transparent 70%),
    var(--surface);
  text-align: center;
}

.get img { border-radius: 22px; box-shadow: 0 20px 50px rgba(8, 4, 24, 0.6); }

.get .stores { justify-content: center; }

/* -- footer -------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

footer a { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
footer a:hover { color: var(--text); }
footer .mark { width: 18px; height: 18px; }

/* -- reveal on scroll (only hidden when JS can bring it back) ------------ */

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

/* -- narrow screens ------------------------------------------------------ */

@media (max-width: 900px) {
  .hero .wrap,
  .feature .wrap {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero .stores,
  .rules .wrap { justify-content: center; }

  .hero-copy { display: flex; flex-direction: column; align-items: center; }

  .hero-media { margin-top: 10px; }

  .feature-flip .feature-copy { order: 0; }

  .phone { width: clamp(240px, 62vw, 300px); }

  .peek { width: clamp(120px, 30vw, 170px); }
  .peek-l { left: 0; }
  .peek-r { right: 0; }

  .single img { width: clamp(200px, 58vw, 280px); }
  .fan img { width: 30vw; max-width: 180px; }
  .fan img:first-child { margin-right: -6vw; }
  .fan img:last-child  { margin-left: -6vw; }

  footer .wrap { flex-direction: column; }
}

@media (max-width: 420px) {
  .peek { display: none; }

  /* three rules, one row */
  .rules .wrap { gap: 9px; }
  .rule { padding: 12px 15px; gap: 7px; font-size: 0.95rem; }
  .rule span { font-size: 1.2em; }

  .store { flex: 1 1 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .phone { animation: none; }
  * { transition-duration: 0.01ms !important; }
}