:root {
  color-scheme: dark;
  --ink: #080a0d;
  --stone: #11151a;
  --stone-soft: #171c22;
  --silver: #e5e7e8;
  --silver-dim: #adb3b7;
  --line: rgba(225, 231, 234, 0.18);
  --glow: #f5f8ff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 35%, rgba(108, 127, 145, 0.10), transparent 34rem),
    var(--ink);
  color: var(--silver);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--glow);
  color: var(--ink);
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 3rem, 86rem);
  margin-inline: auto;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.wordmark {
  display: grid;
  text-decoration: none;
  line-height: 1;
}

.wordmark span,
.footer-name {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.wordmark small {
  margin-top: 0.45rem;
  color: rgba(255,255,255,.66);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); }

nav a {
  color: rgba(255,255,255,.78);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

nav a:hover,
nav a:focus-visible { color: white; }

.hero {
  position: relative;
  display: grid;
  min-height: min(58rem, 100svh);
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -3;
  object-fit: cover;
  object-position: center;
  filter: saturate(.8) contrast(1.05) brightness(.78);
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5,7,9,.93) 0%, rgba(5,7,9,.64) 38%, rgba(5,7,9,.12) 67%),
    linear-gradient(180deg, rgba(4,6,8,.55), transparent 32%, rgba(5,7,9,.78));
}

.hero-copy {
  align-self: center;
  width: min(100% - 3rem, 86rem);
  margin: 6rem auto 4rem;
  padding-right: 52%;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--silver-dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.04;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3.2rem, 7vw, 6.7rem);
  text-wrap: balance;
}

h2 { font-size: clamp(2.5rem, 5vw, 5rem); }

.hero-copy > p:not(.eyebrow) {
  max-width: 35rem;
  margin: 1.6rem 0 2rem;
  color: rgba(255,255,255,.72);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid rgba(255,255,255,.52);
  background: rgba(6,8,10,.24);
  font-size: 0.78rem;
  letter-spacing: 0.17em;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  transition: background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible { background: var(--glow); color: var(--ink); }

.scroll-cue {
  position: absolute;
  right: max(1.5rem, calc((100% - 86rem) / 2));
  bottom: 2rem;
  display: flex;
  gap: .75rem;
  align-items: center;
  color: rgba(255,255,255,.66);
  font-size: .72rem;
  letter-spacing: .18em;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue span { font-size: 1rem; }

.book-section,
.about-section,
.world-section {
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
}

.book-section {
  display: grid;
  grid-template-columns: minmax(18rem, .92fr) minmax(20rem, 1.08fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 10rem) 0;
}

.book-visual {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 2rem 5rem rgba(0,0,0,.55);
}

.book-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  box-shadow: inset 0 0 4rem rgba(0,0,0,.35);
  pointer-events: none;
}

.book-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.release-date {
  margin: 1.2rem 0 0;
  color: #dce7f2;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.book-copy .lead,
.about-copy .lead {
  margin-top: 1.8rem;
  color: #eef0f1;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.55;
}

.book-copy > p:not(.eyebrow):not(.lead),
.about-copy > p:not(.lead) { color: var(--silver-dim); }

.book-details {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 2rem;
}

.book-actions { margin-top: 1.5rem; }

.preorder-button {
  border-color: rgba(220, 231, 242, .72);
  background: #e8edf2;
  color: var(--ink);
  font-weight: 700;
}

.preorder-button:hover,
.preorder-button:focus-visible {
  background: transparent;
  color: var(--glow);
}

.book-details span,
.status {
  padding: .5rem .75rem;
  border: 1px solid var(--line);
  color: #c8cdd0;
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.quote-band {
  display: grid;
  min-height: 22rem;
  place-items: center;
  padding: 4rem 1.5rem;
  border-block: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent, rgba(255,255,255,.04), transparent),
    #0b0e12;
  text-align: center;
}

.quote-band p {
  max-width: 22ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.12;
  text-wrap: balance;
}

.world-section {
  display: grid;
  grid-template-columns: minmax(18rem, .92fr) minmax(20rem, 1.08fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 10rem) 0;
}

.artifact-button {
  position: relative;
  display: block;
  aspect-ratio: 1;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #090c10;
  color: white;
  cursor: zoom-in;
  box-shadow: 0 2rem 5rem rgba(0,0,0,.45);
}

.artifact-button img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72);
  transition: filter 260ms ease, transform 500ms ease;
}

.artifact-button span {
  position: absolute;
  inset: auto 1rem 1rem auto;
  padding: .55rem .75rem;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(5,7,9,.72);
  font: 600 .72rem/1 var(--sans);
  letter-spacing: .12em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.artifact-button:hover img,
.artifact-button:focus-visible img {
  filter: saturate(.95);
  transform: scale(1.025);
}

.artifact-copy .lead {
  margin: 1.8rem 0 1rem;
  color: #eef0f1;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.55;
}

.artifact-copy > p:not(.eyebrow):not(.lead) { color: var(--silver-dim); }

.art-dialog {
  width: min(92vw, 64rem);
  max-height: 92vh;
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(238,242,244,.26);
  background: #090c10;
  color: var(--silver);
  box-shadow: 0 2rem 8rem rgba(0,0,0,.8);
}

.art-dialog::backdrop {
  background: rgba(2,3,4,.86);
  backdrop-filter: blur(10px);
}

.dialog-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.dialog-bar .eyebrow { margin-bottom: .35rem; }
.dialog-bar h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }

.dialog-close {
  width: 2.7rem;
  height: 2.7rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  font: 300 1.8rem/1 var(--sans);
}

.dialog-close:hover,
.dialog-close:focus-visible { background: var(--silver); color: var(--ink); }

.art-dialog > img {
  display: block;
  width: 100%;
  height: auto;
}

.about-section {
  display: grid;
  grid-template-columns: 5rem .85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  padding: clamp(5rem, 10vw, 10rem) 0;
}

.section-mark {
  display: grid;
  width: 4rem;
  height: 4rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.section-mark span {
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 1.2rem .25rem rgba(226,236,255,.6);
}

.about-copy p:first-child { margin-top: 0; }

.updates-section {
  padding: 0 1.5rem clamp(5rem, 10vw, 10rem);
}

.updates-card {
  position: relative;
  width: min(100%, 72rem);
  margin: auto;
  padding: clamp(2.4rem, 7vw, 6rem);
  overflow: hidden;
  border: 1px solid rgba(236,240,242,.22);
  background:
    radial-gradient(circle at 88% 18%, rgba(209,224,236,.11), transparent 18rem),
    linear-gradient(135deg, #11161c, #0b0e12);
}

.updates-card::before {
  position: absolute;
  inset: auto -8% 22% auto;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, white, transparent);
  box-shadow: 0 0 1rem rgba(238,245,255,.7);
  content: "";
  transform: rotate(-20deg);
}

.updates-card h2 { max-width: 14ch; }

.updates-card > p:not(.eyebrow) {
  max-width: 42rem;
  margin: 1.5rem 0 2rem;
  color: var(--silver-dim);
}

.social-links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.25rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
  min-width: 10.5rem;
  min-height: 3rem;
  padding: .7rem .9rem;
  border: 1px solid rgba(236,240,242,.28);
  background: rgba(4,6,8,.32);
  color: var(--silver);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.social-link:hover,
.social-link:focus-visible {
  border-color: var(--glow);
  background: var(--glow);
  color: var(--ink);
}

footer {
  display: grid;
  justify-items: center;
  padding: 3.5rem 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--silver-dim);
  text-align: center;
}

.contact-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
  padding: 0 0 clamp(5rem, 10vw, 10rem);
}

.contact-copy p { margin-top: 0; color: var(--silver-dim); }
.contact-email {
  font-size: clamp(1rem, 2vw, 1.35rem);
  overflow-wrap: anywhere;
  text-underline-offset: .25em;
}
.contact-email:hover, .contact-email:focus-visible { color: white; }
footer a { overflow-wrap: anywhere; }
nav a { white-space: nowrap; }

@media (max-width: 780px) {
  .contact-section {
    grid-template-columns: 1fr;
    width: min(100% - 2rem, 35rem);
  }
}

.footer-name { color: var(--silver); text-decoration: none; }
footer p { margin: .8rem 0 0; font-size: .82rem; }
.copyright { opacity: .6; }

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    width: min(100% - 2rem, 86rem);
    display: grid;
    gap: 1rem;
  }
  .wordmark small { display: none; }
  nav { gap: .9rem; width: 100%; justify-content: space-between; }
  nav a { font-size: .7rem; letter-spacing: .1em; }
  .hero { min-height: 52rem; }
  .hero-image { object-position: 68% center; }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(4,6,8,.45), rgba(4,6,8,.28) 36%, rgba(4,6,8,.96) 73%),
      linear-gradient(90deg, rgba(5,7,9,.58), transparent);
  }
  .hero-copy {
    align-self: end;
    width: min(100% - 2rem, 86rem);
    padding: 0 0 5rem;
  }
  h1 { max-width: 11ch; font-size: clamp(3.1rem, 15vw, 5rem); }
  .scroll-cue { display: none; }
  .book-section { grid-template-columns: 1fr; width: min(100% - 2rem, 35rem); }
  .book-visual { aspect-ratio: 2 / 3; }
  .book-copy { order: -1; }
  .about-section {
    grid-template-columns: 1fr;
    width: min(100% - 2rem, 35rem);
  }
  .world-section {
    grid-template-columns: 1fr;
    width: min(100% - 2rem, 35rem);
  }
  .artifact-copy { order: -1; }
  .section-mark { width: 3.5rem; height: 3.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* Advance reader pages */
.book-actions { display:flex; flex-wrap:wrap; gap:.75rem; }
nav { flex-wrap:wrap; }
.arc-callout { width:min(100% - 3rem,76rem); margin:0 auto 6rem; padding:clamp(1.5rem,4vw,3rem); border:1px solid var(--line); background:var(--stone); display:grid; grid-template-columns:2fr 1fr; gap:3rem; align-items:center; }
.arc-callout h2 { font-size:clamp(2rem,4vw,3.5rem); }
.arc-callout p { max-width:45rem; }
.arc-callout .status { display:inline-block; }
.arc-page .site-header { position:relative; }
.arc-intro,.arc-content { width:min(100% - 3rem,76rem); margin-inline:auto; }
.arc-intro { display:grid; grid-template-columns:1.3fr .7fr; gap:clamp(2rem,7vw,7rem); align-items:center; padding:5rem 0; }
.arc-intro h1 { font-size:clamp(3rem,6vw,5.4rem); max-width:14ch; }
.arc-copy > p:not(.eyebrow):not(.release-date):not(.arc-book-title) { color:var(--silver-dim); }
.arc-book-title { font:400 clamp(1.8rem,3vw,2.5rem)/1.2 var(--serif); margin:1.5rem 0; }
.arc-copy .lead { font:1.5rem/1.5 var(--serif); }
.arc-cover { display:block; width:100%; height:auto; box-shadow:0 2rem 5rem #0008; }
.arc-content { padding:4rem 0; border-top:1px solid var(--line); }
.arc-content h2 { font-size:clamp(2rem,4vw,3.6rem); }
.reader-interests { display:grid; grid-template-columns:1fr 1fr; gap:1rem 3rem; padding-left:1.25rem; margin-top:2rem; }
.arc-details { display:grid; grid-template-columns:1fr 1fr; gap:4rem; }
.arc-details h3 { font:400 1.7rem/1.3 var(--serif); margin-top:0; }
.arc-details p,.arc-details dd { color:var(--silver-dim); }
.arc-details dl { margin:2rem 0; }
.arc-details dt { font-weight:600; margin-top:1.25rem; }
.arc-details dd { margin:0; }
.application-status { margin-bottom:5rem; }
.application-status p { max-width:45rem; max-width:45rem; }
@media(max-width:780px) {
 .arc-callout,.arc-intro,.arc-details { grid-template-columns:1fr; gap:2rem; }
 .arc-intro,.arc-content,.arc-callout { width:calc(100% - 2rem); }
 .arc-intro { padding:3rem 0; }
 .arc-cover { max-width:22rem; margin:auto; }
 .reader-interests { grid-template-columns:1fr; }
 nav { justify-content:flex-start; column-gap:1rem; row-gap:.5rem; }
}