:root {
  --ink: #08090a;
  --paper: #f0eadb;
  --acid: #ff5a19;
  --blue: #286cff;
  --red: #db2426;
  --line: rgba(240, 234, 219, .22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--paper); color: var(--ink); padding: .8rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  position: absolute; inset: 0 0 auto; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.4rem clamp(1.2rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--line);
}
.wordmark { font-weight: 950; font-size: clamp(1.3rem, 2.5vw, 2rem); letter-spacing: -.07em; text-decoration: none; }
nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 3rem); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
nav a { text-decoration: none; }
.nav-signal { color: var(--acid); }

.hero { min-height: 100svh; position: relative; display: grid; align-items: end; padding: 9rem clamp(1.2rem, 7vw, 8rem) 7vh; isolation: isolate; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0,0,0,.96) 0%, rgba(0,0,0,.62) 44%, rgba(0,0,0,.08) 75%); }
.hero-art { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.03); filter: contrast(1.08) saturate(1.15); }
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 1.2rem; color: var(--acid); text-transform: uppercase; letter-spacing: .2em; font-weight: 800; font-size: .74rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.5rem; font-size: clamp(4.5rem, 11vw, 10.5rem); line-height: .72; letter-spacing: -.085em; text-transform: uppercase; }
.lede { max-width: 590px; font: italic clamp(1.25rem, 2.3vw, 2rem)/1.25 Georgia, serif; }
.button { display: inline-block; margin-top: 1.4rem; padding: 1rem 1.4rem; border: 1px solid currentColor; text-transform: uppercase; font-size: .75rem; font-weight: 800; letter-spacing: .14em; text-decoration: none; transition: background .2s, color .2s; }
.button.primary { background: var(--acid); border-color: var(--acid); color: #08090a; }
.button:hover, .button:focus-visible { background: var(--paper); color: var(--ink); }
.hero-index { position: absolute; right: 3vw; bottom: 4vh; writing-mode: vertical-rl; font-size: .7rem; letter-spacing: .3em; color: rgba(255,255,255,.52); }

.release { padding: clamp(5rem, 10vw, 10rem) clamp(1.2rem, 7vw, 8rem); background: var(--paper); color: var(--ink); }
.release-heading { display: grid; grid-template-columns: 1fr 2fr; column-gap: 5vw; align-items: end; margin-bottom: 5rem; }
.release-heading .eyebrow { align-self: start; }
.release-heading h2 { grid-column: 2; margin: 0; font-size: clamp(3.2rem, 8vw, 8.5rem); line-height: .82; letter-spacing: -.065em; text-transform: uppercase; }
.release-heading h2 em { font-family: Georgia, serif; text-transform: none; font-weight: 400; }
.release-heading > p:last-child { grid-column: 2; max-width: 680px; margin: 2rem 0 0; font: 1.2rem/1.55 Georgia, serif; }
.artifact-stage { position: relative; max-width: 1160px; margin: 0 auto; }
.book-shell { width: min(70vw, 680px); aspect-ratio: 1800 / 2340; margin: auto; position: relative; perspective: 1800px; filter: drop-shadow(0 30px 35px rgba(33, 24, 14, .28)); }
.book-page { position: absolute; inset: 0; padding: 0; border: 0; background: transparent; overflow: hidden; transform-origin: left center; }
.book-page img { width: 100%; height: 100%; object-fit: cover; }
.book-page.front { z-index: 2; cursor: pointer; transition: transform 1.15s cubic-bezier(.22,.72,.16,1), filter .7s; backface-visibility: hidden; }
.book-shell.turned .front { transform: rotateY(-178deg); filter: brightness(.65); }
.book-page.beneath { z-index: 1; }
.artifact-notes { display: flex; align-items: center; gap: .8rem; justify-content: center; margin: 2rem 0 1.2rem; font-size: .68rem; font-weight: 900; letter-spacing: .16em; }
.artifact-notes i { width: 3rem; height: 1px; background: var(--red); }
.turn-control { display: block; margin: auto; border: 0; border-bottom: 2px solid var(--ink); padding: .5rem 0; background: none; cursor: pointer; text-transform: uppercase; font-weight: 850; letter-spacing: .08em; }

.threshold { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); min-height: 90vh; background: #121313; }
.threshold > img { width: 100%; height: 100%; object-fit: cover; }
.threshold-copy { padding: clamp(4rem, 8vw, 9rem) clamp(1.5rem, 6vw, 7rem); align-self: center; }
.threshold-copy h2, .studio h2, .signal h2 { font-size: clamp(3rem, 6vw, 6.5rem); line-height: .88; letter-spacing: -.06em; }
.threshold-copy > p:not(.eyebrow):not(.status-note) { font: 1.15rem/1.6 Georgia, serif; max-width: 580px; }
dl { border-top: 1px solid var(--line); margin: 3rem 0 0; }
dl div { display: grid; grid-template-columns: 1fr 2fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
dt { color: #9c9c98; text-transform: uppercase; font-size: .69rem; letter-spacing: .16em; }
dd { margin: 0; }
.status-note { margin-top: 2rem; color: var(--acid); font-size: .75rem; text-transform: uppercase; letter-spacing: .15em; }
.purchase-actions, .signal-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.purchase-actions .button { margin-top: 0; }
.button.outline { color: var(--paper); }

.studio { padding: clamp(5rem, 10vw, 10rem) clamp(1.2rem, 7vw, 8rem); }
.studio-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 6vw; align-items: end; }
.studio-intro h2 { margin-bottom: 0; }
.studio-intro > p:last-child { font: 1.15rem/1.6 Georgia, serif; }
.forms { margin-top: 6rem; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.forms article { min-height: 280px; padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.forms span { color: var(--acid); font-size: .68rem; letter-spacing: .14em; }
.forms h3 { margin: auto 0 .6rem; font-size: clamp(2rem, 3vw, 3rem); letter-spacing: -.05em; }
.forms p { color: #b7b5ae; line-height: 1.5; }

.signal { padding: clamp(6rem, 13vw, 13rem) clamp(1.2rem, 7vw, 8rem); background: var(--blue); color: #08090a; }
.signal .eyebrow { color: #08090a; }
.signal h2 { max-width: 1100px; }
.button.light { background: var(--paper); }
.button.dark { background: var(--ink); color: var(--paper); }
footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; padding: 2rem clamp(1.2rem, 4vw, 4.5rem); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
footer p { margin: 0; }
footer p:last-child { text-align: right; }

@media (max-width: 820px) {
  nav a:not(.nav-signal) { display: none; }
  .hero { min-height: 820px; }
  .release-heading, .studio-intro { display: block; }
  .release-heading h2, .release-heading > p:last-child { grid-column: auto; }
  .threshold { grid-template-columns: 1fr; }
  .threshold > img { max-height: 70vh; }
  .forms { grid-template-columns: 1fr 1fr; }
  footer { grid-template-columns: 1fr; }
  footer p:last-child { text-align: left; }
}

@media (max-width: 500px) {
  h1 { font-size: 4rem; }
  .book-shell { width: 88vw; }
  .forms { grid-template-columns: 1fr; }
  .forms article { min-height: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .book-page.front { transition: none; }
}