:root {
  --bg: #0d1112;
  --bg-soft: #151b1d;
  --panel: #1b2224;
  --text: #f0ede5;
  --muted: #aeb7b6;
  --line: #303a3d;
  --accent: #d49b5f;
  --accent-2: #7ec4c2;
  --danger: #d95067;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 25% 0%, rgba(126, 196, 194, .14), transparent 34rem), var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem max(1.25rem, calc((100vw - var(--max)) / 2));
  background: rgba(13, 17, 18, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  aspect-ratio: 1;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .03em;
}
.brand strong { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); font-size: .78rem; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .94rem;
}
nav a:hover { color: var(--text); }

main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}
.hero {
  min-height: calc(100vh - 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 460px);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: 4rem 0;
}
.hero h1, .book-detail h1 {
  margin: .2rem 0 1rem;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(4rem, 11vw, 9rem);
  line-height: .86;
  letter-spacing: 0;
}
.lede {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: #d8ddda;
  max-width: 46rem;
}
.eyebrow {
  margin: 0 0 .5rem;
  color: var(--accent);
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
}
.hero-actions, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: .72rem 1rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #101313;
  text-decoration: none;
  font-weight: 800;
}
.button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.button.disabled {
  cursor: default;
  opacity: .72;
  filter: saturate(.7);
}
.button:hover { filter: brightness(1.07); }
.button.disabled:hover { filter: saturate(.7); }
.hero-cover img, .detail-cover img, .book-card img {
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 1.5rem 5rem rgba(0,0,0,.48);
}
.hero-cover { justify-self: center; text-decoration: none; }

.spotlight-panel, .about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  margin: 1rem 0 5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(212,155,95,.12), rgba(126,196,194,.08));
  border: 1px solid var(--line);
}
.spotlight-panel h2, .section-heading h2, .about h2 {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
}
.book-grid-section { padding: 2rem 0 5rem; }
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(280px, .7fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}
.section-heading p:last-child { color: var(--muted); }
.book-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.book-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  background: rgba(27, 34, 36, .72);
  border: 1px solid var(--line);
}
.featured-card {
  grid-column: 1 / -1;
  grid-template-columns: 250px minmax(0, 1fr);
  background: linear-gradient(135deg, rgba(212,155,95,.16), rgba(27,34,36,.86));
}
.book-copy h3 {
  margin: .15rem 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.45rem, 3vw, 2.4rem);
  line-height: 1.05;
}
.book-copy h3 a { text-decoration: none; }
.book-copy h3 a:hover { color: var(--accent); }
.genre { color: var(--accent-2); font-weight: 700; margin: .3rem 0 .75rem; }
.status {
  display: inline-flex;
  width: fit-content;
  margin: .1rem 0 .8rem;
  padding: .28rem .48rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.status-live {
  border-color: rgba(126, 196, 194, .55);
  color: #bce9e5;
}
.status-progress {
  border-color: rgba(212, 155, 95, .55);
  color: #e3bf92;
}
.book-copy p:not(.eyebrow):not(.genre), .about p, .spotlight-panel p:not(.eyebrow) { color: var(--muted); }
.text-link { color: var(--accent-2); font-weight: 800; text-decoration: none; }
.text-link:hover { color: var(--text); }

.about {
  grid-template-columns: minmax(260px, .65fr) minmax(280px, 1fr);
  margin-bottom: 4rem;
}
.author-page {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 6rem);
  padding: 4rem 0;
}
.author-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 1.5rem 5rem rgba(0,0,0,.46);
}
.author-copy h1 {
  margin: .2rem 0 1rem;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: .9;
}
.author-copy p:not(.eyebrow):not(.lede) {
  color: var(--muted);
  font-size: 1.1rem;
}
.about-context { margin-top: 0; }
.site-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-footer a { color: var(--muted); }

.book-detail {
  display: grid;
  grid-template-columns: minmax(280px, 430px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: calc(100vh - 6rem);
  padding: 4rem 0;
}
.book-detail h1 { font-size: clamp(3rem, 8vw, 7rem); }
.facts {
  display: grid;
  gap: .75rem;
  margin: 1.5rem 0 0;
}
.facts div {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line);
}
dt { color: var(--accent); font-weight: 800; }
dd { margin: 0; color: var(--muted); }
.book-nav {
  justify-content: space-between;
  padding: 1rem 0 4rem;
}
.book-nav a {
  color: var(--accent-2);
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; gap: 1rem; }
  .hero, .book-detail, .author-page, .section-heading, .about, .spotlight-panel { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 2rem; }
  .hero-cover { max-width: 360px; }
  .book-grid { grid-template-columns: 1fr; }
  .book-card, .featured-card { grid-template-columns: 130px minmax(0, 1fr); }
  .book-card { padding: .75rem; }
}

@media (max-width: 540px) {
  main, .site-footer { width: min(100% - 1rem, var(--max)); }
  .book-card, .featured-card { grid-template-columns: 1fr; }
  .book-card .cover-link { max-width: 220px; }
  .facts div { grid-template-columns: 1fr; gap: .15rem; }
  .hero h1 { font-size: 4.1rem; }
}