:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --brand: #e8590c;
  --link: #c2410c;
  --glow: #faa352;
  --card: rgba(255, 255, 255, 0.74);
  --card-solid: #ffffff;
  --hairline: rgba(0, 0, 0, 0.08);
  --frame: rgba(0, 0, 0, 0.15);
  --shade: 110, 55, 15;
  --die: #ffffff;
  --pip: #1d1d1f;
  --ink: #1d1d1f;
  --on-ink: #ffffff;
  --page: min(980px, 100% - 40px);
  interpolate-size: allow-keywords;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171110;
    --bg-soft: #211816;
    --text: #f5f5f7;
    --muted: #aaa19c;
    --brand: #ff7a2e;
    --link: #ff9a5c;
    --glow: #5c2b13;
    --card: rgba(255, 255, 255, 0.07);
    --card-solid: #261c19;
    --hairline: rgba(255, 255, 255, 0.1);
    --frame: rgba(255, 255, 255, 0.12);
    --shade: 0, 0, 0;
    --die: #2e2522;
    --pip: #f5f5f7;
    --ink: #f5f5f7;
    --on-ink: #1d1d1f;
  }
}

.hero, .try { --muted: #5e4c42; }

@media (prefers-color-scheme: dark) {
  .hero, .try { --muted: #c9b6ab; }
}

@media (prefers-contrast: more) {
  :root { --hairline: rgba(128, 128, 128, 0.6); --muted: var(--text); }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 64px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); }

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

.wrap { width: var(--page); margin-inline: auto; }

h1, h2, h3 { font-weight: 700; text-wrap: balance; margin: 0; }

h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.07;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.lead {
  font-size: clamp(1.1875rem, 2.2vw, 1.4375rem);
  line-height: 1.42;
  letter-spacing: -0.012em;
  color: var(--muted);
  text-wrap: pretty;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.nav .wrap { display: flex; align-items: center; gap: 22px; height: 52px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  color: inherit;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img { width: 28px; height: 28px; border-radius: 7px; }

.nav .link { color: var(--text); opacity: 0.8; font-size: 0.875rem; text-decoration: none; }

.nav .link:hover { opacity: 1; }

@media (max-width: 560px) { .nav .link { display: none; } }

.button {
  display: inline-flex;
  align-items: center;
  padding: 0.85em 1.5em;
  border-radius: 999px;
  background: var(--ink);
  color: var(--on-ink);
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  transition: transform 0.1s ease-out, opacity 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.button:hover { opacity: 0.88; }

.button:active { transform: scale(0.97); }

.button.small { padding: 0.42em 1em; font-size: 0.875rem; }

.phone {
  --w: min(300px, 70vw);
  width: var(--w);
  border-radius: calc(var(--w) * 0.075);
  box-shadow:
    0 0 0 1px var(--frame),
    0 36px 70px -28px rgba(var(--shade), 0.5),
    0 14px 28px -16px rgba(var(--shade), 0.35);
}

.hero {
  background: linear-gradient(180deg, var(--bg) 25%, var(--glow) 100%);
  padding-block: clamp(48px, 8vw, 88px) clamp(64px, 9vw, 104px);
  text-align: center;
}

.hero .icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  border-radius: 20px;
  box-shadow: 0 10px 28px -8px rgba(var(--shade), 0.35);
}

.hero h1 span { display: block; }

.hero .lead { max-width: 34em; margin: 22px auto 0; }

.cta { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 34px; }

.badge { display: block; transition: transform 0.1s ease-out; -webkit-tap-highlight-color: transparent; }

.badge:active { transform: scale(0.97); }

.badge img { width: auto; height: 54px; }

.note { margin: 0; font-size: 0.875rem; letter-spacing: 0.01em; color: var(--muted); }

.hero .phone { margin: 60px auto 0; }

.try {
  background: linear-gradient(180deg, var(--glow), var(--bg));
  padding-block: clamp(24px, 4vw, 48px) clamp(72px, 10vw, 128px);
  text-align: center;
}

.try .lead { max-width: 30em; margin: 18px auto 0; }

.board {
  max-width: 540px;
  margin: 44px auto 0;
  padding: 30px clamp(16px, 4vw, 32px) 26px;
  border-radius: 32px;
  background: var(--card);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow: inset 0 0 0 1px var(--hairline), 0 24px 60px -30px rgba(var(--shade), 0.5);
}

.turn { display: flex; align-items: baseline; justify-content: center; gap: 12px; margin: 0; }

.turn b {
  font-size: clamp(3.5rem, 11vw, 5rem);
  line-height: 1;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  transition: color 0.2s;
}

.turn b.live { color: var(--brand); }

.turn span { font-size: 1.25rem; color: var(--muted); }

.label {
  margin: 30px 0 16px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.dice { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(8px, 2.4vw, 14px); }

.die {
  --s: clamp(38px, 11vw, 60px);
  display: grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  gap: calc(var(--s) * 0.09);
  width: var(--s);
  height: var(--s);
  padding: calc(var(--s) * 0.1775);
  border: 0;
  border-radius: calc(var(--s) * 0.26);
  background: var(--die);
  color: var(--pip);
  box-shadow: inset 0 0 0 1px var(--hairline), 0 3px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1), box-shadow 0.4s, background-color 0.2s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.die i { border-radius: 50%; background: currentColor; opacity: 0; }

.die i.on { opacity: 1; }

.die:active { transform: scale(0.93); transition-duration: 0.1s; }

.die[aria-pressed="true"] {
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 80%, white), var(--brand));
  color: #ffffff;
  transform: translateY(-8px);
  box-shadow: 0 12px 22px -8px rgba(var(--shade), 0.55);
}

.die[aria-pressed="true"]:active { transform: translateY(-8px) scale(0.93); }

.die:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 60%, transparent); outline-offset: 3px; }

.message { min-height: 3em; max-width: 28em; margin: 24px auto 0; color: var(--muted); text-wrap: pretty; }

.feature { padding-block: clamp(72px, 11vw, 136px); }

.feature.soft, .made.soft { background: var(--bg-soft); }

.feature .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(40px, 7vw, 104px);
}

.feature.flip .phone { order: -1; }

.feature p { max-width: 30em; margin: 20px 0 0; }

@media (max-width: 760px) {
  .feature .wrap { grid-template-columns: 1fr; text-align: center; }
  .feature.flip .phone { order: 0; }
  .feature p { margin-inline: auto; }
  .feature .phone { margin-inline: auto; }
}

.made { padding-block: clamp(72px, 11vw, 136px); }

.made > .wrap > h2, .made > .wrap > .lead { text-align: center; }

.made .lead { max-width: 30em; margin: 18px auto 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 52px;
}

.card {
  padding: 28px 28px 30px;
  border-radius: 26px;
  background: var(--card-solid);
  box-shadow: inset 0 0 0 1px var(--hairline);
}

.card p { margin: 10px 0 0; color: var(--muted); }

@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

.names { padding-block: clamp(72px, 11vw, 136px); text-align: center; }

.names .lead { max-width: 30em; margin: 18px auto 0; }

.names ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 40em;
  margin: 36px auto 0;
  padding: 0;
  list-style: none;
}

.names li {
  padding: 0.5em 1.15em;
  border-radius: 999px;
  background: var(--bg-soft);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.faq { padding-block: clamp(72px, 11vw, 136px); background: var(--bg-soft); }

.faq .wrap { width: min(760px, 100% - 40px); }

.faq h2 { text-align: center; margin-bottom: 36px; }

details { border-bottom: 1px solid var(--hairline); }

details::details-content {
  height: 0;
  overflow: clip;
  transition: height 0.35s cubic-bezier(0.2, 0.9, 0.3, 1), content-visibility 0.35s allow-discrete;
}

details[open]::details-content { height: auto; }

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  list-style: none;
  cursor: pointer;
}

summary::-webkit-details-marker { display: none; }

summary h3 { font-size: 1.1875rem; }

summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin: -4px 4px 0 0;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1);
}

details[open] summary::after { transform: translateY(4px) rotate(-135deg); }

details p { max-width: 40em; margin: 0 0 24px; color: var(--muted); }

.help { padding-block: clamp(72px, 11vw, 136px); text-align: center; }

.help .lead { max-width: 30em; margin: 18px auto 0; }

.help .button { margin-top: 30px; }

footer { padding: 28px 0 48px; border-top: 1px solid var(--hairline); font-size: 0.8125rem; color: var(--muted); }

footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 12px; }

footer a { color: inherit; }

footer p { margin: 0; }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: rise linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 45%;
    }
  }
}

@keyframes rise { from { opacity: 0; transform: translateY(28px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .die, .button, .badge, summary::after, details::details-content { transition: none; }
  .die[aria-pressed="true"], .die[aria-pressed="true"]:active, .die:active { transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .nav { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .board { background: var(--card-solid); backdrop-filter: none; -webkit-backdrop-filter: none; }
}

.doc { width: min(680px, 100% - 40px); margin-inline: auto; }

.doc-head {
  background: linear-gradient(180deg, color-mix(in srgb, var(--glow) 38%, var(--bg)) 0%, var(--bg) 100%);
  padding-block: clamp(56px, 9vw, 104px) clamp(36px, 5vw, 56px);
}

.doc-head h1 { font-size: clamp(2.5rem, 6vw, 3.75rem); }

.doc-head .date { margin: 14px 0 0; color: var(--muted); letter-spacing: 0.01em; }

article.doc { padding-block: clamp(40px, 6vw, 64px) clamp(72px, 10vw, 120px); line-height: 1.6; }

article.doc > .lead { margin: 0; line-height: 1.45; color: var(--text); }

article.doc h2 {
  margin: 2.2em 0 0.5em;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  line-height: 1.15;
  letter-spacing: -0.022em;
}

article.doc p { margin: 0 0 1em; }

article.doc ul { margin: 0 0 1em; padding-left: 1.25em; }

article.doc li + li { margin-top: 0.6em; }

article.doc li::marker { color: var(--brand); }

article.doc table { width: 100%; margin: 0.4em 0 1.4em; border-collapse: collapse; font-variant-numeric: tabular-nums; line-height: 1.35; }

article.doc th, article.doc td { padding: 0.65em 0.6em; text-align: right; border-bottom: 1px solid var(--hairline); }

article.doc th:first-child { padding-left: 0; text-align: left; }

article.doc tr > :last-child { padding-right: 0; }

article.doc thead th { font-size: 0.875rem; font-weight: 600; color: var(--muted); vertical-align: bottom; }

article.doc tbody th { font-weight: 600; }

article.doc .promo { margin-top: 3em; padding: clamp(28px, 5vw, 40px) 24px; border-radius: 22px; background: var(--bg-soft); text-align: center; }

article.doc .promo > p { max-width: 30em; margin: 0 auto; }

article.doc .promo .cta { margin-top: 24px; }

article.doc .promo .note { margin: 0; }