:root {
  color-scheme: dark;
  --bg: #080d19;
  --surface: #101a2c;
  --line: #243451;
  --text: #f2f6ff;
  --muted: #aebbd3;
  --accent: #8fc6ff;
  --blue: #a9d5ff;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(ellipse at 78% 1%, #122448 0%, transparent 34rem), var(--bg);
  font: 1rem/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid #9bdcff; outline-offset: 4px; }
[id] { scroll-margin-top: 1rem; }
.wrap { width: min(calc(100% - 2.5rem), 74rem); margin-inline: auto; }
.icon { width: 1.15rem; height: 1.15rem; flex: none; vertical-align: middle; }
.skip { position: absolute; z-index: 10; top: .65rem; left: .65rem; padding: .75rem; transform: translateY(-150%); background: var(--surface); }
.skip:focus { transform: none; }

.header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .55rem 1rem;
  padding-block: .9rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .65rem; font-size: 1.04rem; font-weight: 790; line-height: 1.15; letter-spacing: -.045em; min-height: 44px; }
.brand-blue { color: var(--accent); }
.brand small { display: block; margin-top: .3rem; color: var(--muted); font: .56rem/1 var(--mono); letter-spacing: .15em; }
.header nav { width: 100%; order: 2; display: flex; gap: .35rem; }
.header nav a, .header-cta { display: inline-flex; align-items: center; gap: .4rem; min-height: 44px; font-size: .85rem; font-weight: 680; padding: .38rem .72rem; border: 1px solid transparent; border-radius: .55rem; color: var(--muted); }
.header nav a:hover, .header nav [aria-current] { background: #172642; color: var(--text); border-color: var(--line); }
.header-cta { color: var(--accent); border-color: var(--line); }
.header-cta:hover { background: #193052; }
.header-cta .icon { width: .9rem; }

.hero { display: grid; gap: 2.15rem; align-items: center; padding-block: clamp(2.5rem, 7vw, 6.35rem); }
.eyebrow { color: var(--accent); font: 650 .72rem/1.5 var(--mono); letter-spacing: .14em; display: flex; align-items: center; gap: .65rem; }
.eyebrow > span { width: 1.35rem; height: 1px; background: var(--accent); box-shadow: 0 0 12px #569fff; flex: none; }
h1 { margin-top: .9rem; font-size: clamp(2.6rem, 8.9vw, 6.05rem); font-weight: 820; line-height: .99; letter-spacing: -.075em; }
h1 em { font-style: normal; color: var(--accent); }
@supports (background-clip: text) {
  h1 em { background: linear-gradient(110deg, #e1eeff, #85acff 55%, #76dbff); background-clip: text; color: transparent; }
}
.lede { color: var(--muted); max-width: 38rem; margin-top: 1.2rem; font-size: clamp(.99rem, 1.7vw, 1.13rem); }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.5rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 49px;
  border: 1px solid transparent;
  border-radius: .65rem;
  padding: .64rem 1rem;
  font-weight: 760;
  font-size: .9rem;
  cursor: pointer;
  transition: transform .2s, border-color .2s, background-color .2s, box-shadow .2s;
}
.primary { color: #071226; background: linear-gradient(115deg, #badbff, #8ebcff 60%, #83d7ff); box-shadow: 0 8px 26px #1d63e934; }
.primary:hover { box-shadow: 0 10px 30px #548cff64; }
.secondary { border-color: #354a70; background: #101a2c; color: var(--text); }
.secondary:hover { border-color: #7ab3fa; background: #172744; }
.button:active { transform: scale(.98); }

.art {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 236px;
  border: 1px solid #37558a;
  border-radius: 1.15rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: #0a1428;
  box-shadow: 0 20px 80px #030716a0;
}
.art-meta { display: flex; justify-content: space-between; align-items: center; padding: .8rem .9rem; color: #bdcff0; font: .62rem/1.2 var(--mono); letter-spacing: .115em; z-index: 1; border-bottom: 1px solid #294268; background: #0c182c; }
.art-meta i { display: inline-block; width: .37rem; height: .37rem; margin-right: .35rem; border-radius: 50%; background: #8addff; box-shadow: 0 0 12px #76bfff; }
.art-bottom { border-bottom: 0; border-top: 1px solid #294268; }
.art-field {
  min-height: 170px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background-image: linear-gradient(#83a7f219 1px, transparent 1px), linear-gradient(90deg, #83a7f219 1px, transparent 1px);
  background-size: 26px 26px;
  background-position: center;
}
.art-glow { position: absolute; inset: 0; background: radial-gradient(ellipse at var(--gx, 50%) var(--gy, 50%), #265ee960, transparent 69%); }
.art-wave { position: absolute; width: 114%; max-width: none; height: auto; opacity: .93; }
.art-core {
  display: grid; place-items: center; z-index: 1;
  width: clamp(82px, 18vw, 146px); aspect-ratio: 1; padding: 5px;
  border: 1px solid #94b9ff87; border-radius: 27%;
  background: #0b1c3de8; box-shadow: 0 0 38px #568cff65, 0 20px 38px #020818ad;
  transform: rotate(-9deg);
}
.art-core img { width: 100%; height: auto; }
.cross { position: absolute; color: #9ebcf7; font: .85rem var(--mono); }
.cross-top { top: .65rem; right: .85rem; }
.cross-bottom { bottom: .65rem; left: .85rem; }

.section { border-top: 1px solid var(--line); padding-block: clamp(2.1rem, 5vw, 4.15rem); }
.section-heading { display: grid; gap: .5rem 1.5rem; margin-bottom: 1.5rem; align-items: end; }
h2 { font-size: clamp(1.85rem, 5.6vw, 3.45rem); font-weight: 790; letter-spacing: -.065em; line-height: 1.05; margin-top: .5rem; }
.period { color: var(--accent); }
.section-heading > p, .tile-text > span, .footer p { color: var(--muted); }
.channel-grid { display: grid; gap: .7rem; }
.tile {
  display: grid; align-items: center; grid-template-columns: auto minmax(0, 1fr) auto; gap: .75rem;
  min-height: 78px; border-radius: .85rem; padding: .8rem;
  border: 1px solid var(--line); background-color: var(--surface);
}
.tile-icon {
  display: grid; place-items: center; flex: none; width: 2.55rem; height: 2.55rem;
  color: var(--accent); border: 1px solid #3b5686; border-radius: .65rem; background: #18294a;
}
.tile-text { display: grid; line-height: 1.25; gap: .22rem; }
.tile-text > strong { font-size: 1rem; }
.tile-text > span { font-size: .82rem; }
.tile > .icon { color: var(--accent); }
a.tile { transition: transform .22s, border-color .22s, background-color .22s; }
a.tile:hover { border-color: #77a9ee; background-color: #172642; }
a.tile:active { transform: scale(.985); }
.store-tile { min-height: 97px; background-image: radial-gradient(ellipse at var(--gx, 85%) var(--gy, 50%), #3057af55, transparent 75%); border-color: #4569a8; }
.store-tile strong { font-size: 1.23rem; }
.soon { border: 1px solid #3c4b65; color: #c6d0e4; padding: .22rem .45rem; border-radius: .4rem; font: .62rem/1.3 var(--mono); white-space: nowrap; }
.muted { background-color: #0c1424; }

.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem 1rem; padding-block: 1.25rem; border-top: 1px solid var(--line); font-size: .82rem; }
.footer > a:last-child { min-height: 44px; display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); }
.footer > a:last-child:hover { text-decoration: underline; }

@media (min-width: 43rem) {
  .wrap { width: min(calc(100% - 4rem), 74rem); }
  .header { padding-block: 1.05rem; }
  .header nav { width: auto; order: 0; }
  .section-heading { grid-template-columns: 1fr minmax(12rem, 20rem); }
  .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .store-tile { grid-column: 1 / -1; }
}
@media (min-width: 57rem) {
  .hero { grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 4.5rem); }
  h1 { font-size: clamp(4rem, 6.5vw, 6.05rem); }
  .art { min-height: clamp(300px, 30vw, 410px); }
  .channel-grid { grid-template-columns: 1.15fr 1fr 1fr; }
  .store-tile { grid-column: auto; grid-row: span 2; align-content: center; }
}
@media (max-width: 30rem) {
  .actions > .button { width: 100%; }
}
@media (max-width: 22rem) {
  .wrap { width: calc(100% - 2rem); }
  .header { column-gap: .5rem; }
  .header-cta { padding-inline: .5rem; }
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  a.tile:hover { transform: translateY(-3px); }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: arrive .65s both; }
  .art { animation: arrive .75s .08s both; }
  .art-core { animation: float 4s .75s ease-in-out 1; }
  .revealed.ebook,
  .revealed > * { animation: arrive .5s ease-out both; }
  .revealed > :nth-child(2) { animation-delay: .045s; }
  .revealed > :nth-child(3) { animation-delay: .09s; }
  .revealed > :nth-child(4) { animation-delay: .135s; }
  .revealed > :nth-child(5) { animation-delay: .18s; }
  @keyframes arrive {
    from { opacity: .7; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes float {
    0%, 100% { transform: translateY(0) rotate(-9deg); }
    50% { transform: translateY(-7px) rotate(-6deg); }
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
  h1 em { background: none; color: CanvasText; }
}