:root {
  --bg: #0b1220;
  --fg: #e8eef7;
  --card: #141e30;
  --elevated: #1a2740;
  --muted: #9aa8c0;
  --dim: #6b7a94;
  --primary: #00c9a7;
  --primary-hover: #00e0b8;
  --primary-fg: #04120f;
  --border: #243352;
  --play: #01875f;
  --play-hover: #02a571;
  --play-fg: #f4fffa;
  --cash: #00d64b;
  --cash-fg: #003b14;
  --hero-wash: #0f1a2e;
  --tip-from: #0d3d32;
  --tip-to: #0a2a24;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
button:not(:disabled), [role="button"]:not(:disabled) { cursor: pointer; }
code { overflow-wrap: anywhere; background: var(--elevated); padding: .1em .4em; border-radius: 6px; color: var(--fg); font-size: .9em; }
.wrap { width: 100%; max-width: 1100px; margin-inline: auto; padding-inline: 1.5rem; }
.site { display: flex; flex-direction: column; min-height: 100dvh; }
main { flex: 1; }

header.top {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--fg); font-weight: 700; font-size: 1.15rem; }
.brand img { width: 42px; height: 42px; border-radius: 8px; outline: 1px solid rgba(255,255,255,.1); outline-offset: -1px; }
.brand:hover { color: var(--fg); }
nav.desk { display: none; align-items: center; gap: 1.75rem; }
nav.desk a { color: var(--muted); font-weight: 500; font-size: .95rem; }
nav.desk a:hover, nav.desk a.active { color: var(--primary); }
.menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent; color: var(--fg);
}
.mobile {
  display: none; border-bottom: 1px solid var(--border); background: var(--bg);
}
.mobile.open { display: block; }
.mobile nav { display: flex; flex-direction: column; gap: 4px; padding: 12px 0 16px; }
.mobile a {
  display: flex; align-items: center; min-height: 44px; padding: 0 12px;
  border-radius: 8px; color: var(--fg); font-weight: 500;
}
.mobile a.active { background: var(--elevated); color: var(--primary); }
.mobile a:hover { background: var(--elevated); color: var(--fg); }

.hero {
  text-align: center;
  padding: 48px 24px 64px;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,201,167,.12), transparent 70%),
    linear-gradient(180deg, var(--hero-wash) 0%, var(--bg) 100%);
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.logo-lg {
  width: 332px; height: 332px; border-radius: 22px; margin: 0 auto 20px;
  display: block; box-shadow: var(--shadow);
  outline: 1px solid rgba(255,255,255,.1); outline-offset: -1px;
}
.mark {
  width: 182px; height: 182px; border-radius: 14px; margin: 0 auto 20px;
  display: block; box-shadow: var(--shadow);
  outline: 1px solid rgba(255,255,255,.1); outline-offset: -1px;
}
.eyebrow { margin: 0 0 12px; font-size: 12px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--primary); }
h1 {
  margin: 12px 0 0;
  font-size: clamp(1.7rem, 4.5vw, 2.7rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -.02em; text-wrap: balance;
}
h1 .accent { color: var(--primary); }
.lede { margin: 20px auto 0; max-width: 560px; font-size: 1.1rem; color: var(--muted); }
.page-hero { padding-top: 40px; padding-bottom: 48px; }
.page-hero .lede { font-size: 1.05rem; }

.section { padding-bottom: 80px; }
.grid-2 { display: grid; gap: 20px; }
.grid-3 { display: grid; gap: 20px; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
  nav.desk { display: flex; }
  .menu-btn { display: none; }
  .mobile { display: none !important; }
}

.card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.06);
  color: inherit; transition: border-color .2s, transform .2s;
}
a.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); color: inherit; }
.card h2, .card h3 { margin: 0; color: var(--fg); }
.icon-box {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--primary) 15%, transparent); color: var(--primary);
  margin-bottom: 16px; flex-shrink: 0;
}
.icon-box.lg { width: 56px; height: 56px; border-radius: 12px; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.cta-row { margin-top: 20px; display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--primary); }
.tagline { margin: 2px 0 0; font-size: .9rem; font-weight: 500; color: var(--primary); }
.badge {
  display: inline-block; margin-top: 4px; padding: 2px 8px; border-radius: 4px;
  font-size: .7rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  background: color-mix(in srgb, var(--primary) 15%, transparent); color: var(--primary);
}
.features { margin: 0 0 20px; padding: 0; list-style: none; color: var(--dim); font-size: .88rem; }
.features li { position: relative; padding-left: 20px; margin: 6px 0; }
.features li::before { content: "✓"; position: absolute; left: 0; font-weight: 700; color: var(--primary); }
.checks { margin: 20px 0 0; padding: 0; list-style: none; color: var(--dim); }
.checks li { position: relative; padding-left: 20px; margin: 10px 0; }
.checks li::before { content: "▸"; position: absolute; left: 0; color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.btn:hover { color: inherit; }
.btn:active { transform: scale(.96); }
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { background: var(--primary-hover); color: var(--primary-fg); }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--fg); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-download { width: 100%; background: var(--elevated); border-color: var(--border); color: var(--fg); }
.btn-download:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 15%, var(--elevated)); color: var(--primary); }
.btn-play { width: 100%; background: var(--play); color: var(--play-fg); }
.btn-play:hover { background: var(--play-hover); color: var(--play-fg); }
.btn-cash { background: var(--cash); color: var(--cash-fg); border-radius: 8px; }
.btn-cash:hover { filter: brightness(1.1); color: var(--cash-fg); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 24px; }
.stack { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.soon { margin: 0; padding: 10px 12px; text-align: center; font-size: .9rem; color: var(--dim);
  border: 1px solid var(--border); background: var(--elevated); border-radius: 8px; }

.book { display: flex; flex-direction: column; overflow: hidden; }
.book-cover {
  min-height: 220px; display: flex; align-items: center; justify-content: center;
  background: var(--elevated); padding: 32px;
}
.spine {
  width: 140px; aspect-ratio: 3/4; border-radius: 6px; padding: 24px 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  text-align: center; background: var(--bg); border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--border));
  box-shadow: var(--shadow); color: var(--primary);
}
.spine p { margin: 0; color: var(--fg); font-weight: 700; font-size: .9rem; }
.spine span { font-size: .65rem; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.book-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
@media (min-width: 640px) {
  .book { flex-direction: row; }
  .book-cover { width: 220px; flex-shrink: 0; }
}

.guide { background: var(--elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 32px; }
.guide ol { color: var(--muted); }
.tip {
  text-align: center; border-radius: var(--radius); padding: 32px 24px;
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  background: linear-gradient(135deg, var(--tip-from), var(--tip-to));
}
.about-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 960px) {
  .about-grid { grid-template-columns: .9fr 1.2fr; }
  .lg-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
figure.photo { margin: 0; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); min-width: 0; }
figure.photo img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
figure.photo figcaption { padding: 12px 16px; text-align: center; font-size: .9rem; color: var(--dim); }
.contact { margin-top: 32px; padding: 24px; border-radius: 12px; border: 1px solid var(--border); background: var(--elevated); min-width: 0; }
.contact dl { margin: 16px 0 0; }
.contact dt { font-size: .85rem; color: var(--dim); }
.contact dd { margin: 0 0 12px; font-weight: 500; overflow-wrap: anywhere; }
.dashed { border: 1px dashed var(--border); background: color-mix(in srgb, var(--elevated) 60%, transparent); }
.prose { color: var(--muted); max-width: 720px; }
.prose p { margin: 0 0 1rem; }
.narrow { max-width: 720px; }

footer.foot {
  margin-top: auto; border-top: 1px solid var(--border);
  padding: 40px 0; text-align: center; font-size: .85rem; color: var(--dim);
}
footer.foot nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-bottom: 16px; }
footer.foot nav a { color: var(--muted); }
footer.foot nav a:hover { color: var(--primary); }
.center { text-align: center; }
.mt { margin-top: 24px; }
.mb { margin-bottom: 32px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}