*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #090e0a;
  --white: #e4ede6;
  --off: #ecf2ed;
  --red: #6dbd7a;
  --border: #131e14;
  --muted: #3a5040;
  --faint: #111a12;
}

html { scroll-behavior: smooth; }

body {
  background: #000000;
  color: var(--white);
  font-family: 'Space Mono', monospace;
  overflow-x: hidden;
}

.page-wrap {
  max-width: 1280px;
  margin: 0 auto;
  background: var(--black);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.hero {
  padding-top: 60px;
  min-height: 50vh;
  display: grid;
  grid-template-columns: 1fr 360px;
  border-bottom: 1px solid var(--border);
}

.hero-main {
  padding: 5rem 4rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  border-right: 1px solid var(--border);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--red);
}

.hero-eyebrow-text {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red);
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(5rem, 10vw, 8rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 1.6rem;
}

.hero-title em {
  font-style: normal;
  color: var(--red);
}

.hero-footer {
  padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  margin-top: 1.6rem;
}

.hero-desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.88rem;
  line-height: 2;
  color: #6a8070;
  letter-spacing: 0.03em;
}

.hero-sidebar {
  padding: 5rem 2.5rem 4rem;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--border);
}

.sidebar-label {
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #4a6050;
  margin-bottom: 0.8rem;
}

.sidebar-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  line-height: 1.1;
  color: var(--white);
}

.sidebar-title {
  font-size: 1.2rem;
}

.sidebar-sub {
  font-size: 0.68rem;
  color: #5a7060;
  margin-top: 0.4rem;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.sidebar-read-link {
  display: block;
  margin-top: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  text-decoration: none;
  transition: color 0.2s;
}
.sidebar-read-link:hover { color: var(--white); }

.catalogue-section {
  border-bottom: 1px solid var(--border);
}

.catalogue-header {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  padding: 1.2rem 3rem;
  border-bottom: 1px solid var(--border);
}

.catalogue-header-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
}

.catalogue-header-rule { flex: 1; height: 1px; background: var(--border); }

.catalogue-header-sub {
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #4a6050;
}

.catalogue-list {
  display: flex;
  flex-direction: column;
}

.book-item {
  display: grid;
  grid-template-columns: 100px 200px 1fr 120px;
  gap: 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--white);
  transition: background 0.2s;
  cursor: pointer;
}
.book-item:last-child { border-bottom: none; }
.book-item:not(.upcoming):hover { background: #0d1410; }
.book-item.upcoming { opacity: 0.35; cursor: default; }

.book-num-col {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.book-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  line-height: 1;
  color: var(--white);
}

.book-status {
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #4a6050;
  border: 1px solid #2a4030;
  padding: 0.2rem 0.5rem;
}

.book-status.current {
  color: var(--red);
  border-color: var(--red);
}

.book-cover-col {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.book-cover {
  width: 120px;
  aspect-ratio: 2 / 3;
  background: var(--faint);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book-cover-placeholder .book-cover-inner {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}

.book-cover-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.82rem;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--white);
}

.book-cover-stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--red);
}

.book-info-col {
  padding: 2.5rem 3rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.book-year {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--red);
  text-transform: uppercase;
}

.book-title {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.7rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--white);
}

.book-author {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #8ca091;
}

.book-desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.78rem;
  line-height: 1.9;
  color: #5a7060;
  letter-spacing: 0.02em;
  max-width: 520px;
}

.book-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.btag {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid #2a4030;
  padding: 0.2rem 0.5rem;
  color: #5a7060;
}

.book-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 0.25rem;
}

.book-meta span {
  font-size: 0.64rem;
  letter-spacing: 0.15em;
  color: #3a5040;
  text-transform: uppercase;
}

.book-meta .dot { color: #1a3020; }

.book-cta-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.book-read-btn {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  border: 1px solid #1e3020;
  padding: 0.7rem 1.2rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.book-item:not(.upcoming):hover .book-read-btn {
  border-color: var(--red);
  color: var(--red);
}

.book-read-btn.disabled {
  color: #2a4030;
  border-color: #131e14;
  cursor: default;
}

.top-btn {
  position: fixed;
  right: calc((100vw - 1280px) / 2 - 52px);
  bottom: 2.5rem;
  width: 42px;
  background: transparent;
  border: 1px solid #1e3020;
  color: #4a6050;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 0;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, border-color 0.2s, color 0.2s;
  pointer-events: none;
  z-index: 300;
}
.top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.top-btn:hover {
  border-color: var(--red);
  color: var(--white);
}

.top-btn-line {
  width: 1px;
  height: 16px;
  background: currentColor;
}

.top-btn-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
}

@media (max-width: 1380px) {
  .top-btn { right: 0.8rem; }
}

@media (max-width: 980px) {
  .page-wrap {
    border-left: none;
    border-right: none;
    overflow-x: hidden;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 52px;
    min-height: auto;
  }

  .hero-main {
    padding: 3.5rem 1.5rem 2rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .hero-title {
    font-size: clamp(4rem, 18vw, 5.8rem);
  }

  .hero-eyebrow-text,
  .catalogue-header-sub {
    overflow-wrap: anywhere;
  }

  .hero-sidebar {
    padding: 0.8rem 1.5rem 1.8rem;
  }

  .catalogue-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1.2rem 1.5rem;
  }

  .catalogue-header-rule {
    width: 100%;
  }

  .book-item {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .book-cover-col,
  .book-cta-col {
    display: none;
  }

  .book-num-col {
    padding: 1.5rem 0.5rem;
  }

  .book-status {
    font-size: 0.5rem;
    letter-spacing: 0.06em;
    padding: 0.18rem 0.3rem;
  }

  .book-info-col {
    padding: 1.6rem 1.2rem;
    border-right: none;
    min-width: 0;
  }

  .book-title,
  .book-desc,
  .book-meta {
    overflow-wrap: anywhere;
  }

  .book-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .book-meta .dot {
    display: none;
  }
}