.author-page {
  max-width: var(--main-width);
  margin: 0 auto;
}

.author-frame {
  position: relative;
}

.author-layout {
  display: grid;
  grid-template-columns: minmax(148px, 196px) minmax(0, 1fr);
  gap: calc(var(--gap) * 2);
  align-items: start;
}

.author-rail {
  position: sticky;
  top: calc(var(--header-height) + var(--gap));
  padding-top: 0.15rem;
}

.author-eyebrow {
  margin: 0 0 0.75rem;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--secondary);
  line-height: 1.4;
}

.author-name {
  margin: 0 0 0.55rem;
  font-size: clamp(1.85rem, 4.5vw, 2.45rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--primary);
  writing-mode: horizontal-tb;
}

.author-role {
  margin: 0 0 1.35rem;
  font-size: 0.88rem;
  line-height: 1.55;
  letter-spacing: 0.03em;
  color: var(--secondary);
}

.author-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.18s ease, gap 0.18s ease;
}

.author-contact-link:hover {
  border-color: var(--primary);
  gap: 0.65rem;
}

.author-contact-link svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.author-main {
  min-width: 0;
}

.author-credentials {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0 0 calc(var(--gap) * 1.15);
  padding: 0;
  list-style: none;
}

.author-credentials li {
  position: relative;
  padding: 0.62rem 0 0.62rem 1.1rem;
  font-size: 0.84rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--content);
  border-bottom: 1px solid var(--border);
}

.author-credentials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 5px;
  height: 5px;
  background: var(--primary);
  transform: rotate(45deg);
  opacity: 0.55;
}

.author-credentials li:first-child {
  border-top: 1px solid var(--border);
}

.author-body {
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}

.author-body p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--content);
  text-align: left;
  max-width: 38em;
}

.author-section {
  margin-top: calc(var(--gap) * 1.5);
  padding-top: calc(var(--gap) * 1.25);
  border-top: 1px solid var(--border);
}

.author-section-label {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.28rem 0.65rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--theme);
  background: var(--primary);
}

.author-publication-grid {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: calc(var(--gap) * 1.35);
  align-items: start;
}

.author-publication-author {
  margin: 0 0 0.4rem;
  font-size: 0.86rem;
  color: var(--secondary);
}

.author-publication-title {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--primary);
}

.author-publication-original {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--secondary);
  max-width: 34em;
}

.author-publication-original cite {
  font-style: italic;
}

.book-covers {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 0;
  min-height: 200px;
  padding-bottom: 0.5rem;
}

.book-cover-item {
  margin: 0;
}

.book-cover-item--1 {
  position: relative;
  z-index: 2;
}

.book-cover-item--2 {
  margin-left: -2.25rem;
  margin-bottom: -0.75rem;
  z-index: 1;
}

.book-covers img {
  display: block;
  max-height: 196px;
  width: auto;
  border-radius: 3px;
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.1),
    0 10px 24px rgba(0, 0, 0, 0.12);
  cursor: zoom-in;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.book-cover-item--1 img {
  transform: rotate(-2deg);
}

.book-cover-item--2 img {
  transform: rotate(3deg);
}

.book-covers img:hover {
  transform: rotate(0deg) translateY(-4px) scale(1.02);
  box-shadow:
    0 6px 12px rgba(0, 0, 0, 0.14),
    0 16px 32px rgba(0, 0, 0, 0.16);
  z-index: 3;
}

.book-cover-lightbox {
  border: none;
  padding: 0;
  margin: auto;
  max-width: min(92vw, 760px);
  max-height: 92vh;
  background: transparent;
  overflow: visible;
}

.book-cover-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}

.book-cover-lightbox[open] {
  animation: book-cover-lightbox-in 0.25s ease;
}

.book-cover-lightbox[open]::backdrop {
  animation: book-cover-backdrop-in 0.25s ease;
}

.book-cover-lightbox img {
  display: block;
  max-width: min(92vw, 760px);
  max-height: 92vh;
  width: auto;
  height: auto;
  margin: auto;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  cursor: zoom-out;
}

@keyframes book-cover-lightbox-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes book-cover-backdrop-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 720px) {
  .author-layout {
    grid-template-columns: 1fr;
    gap: calc(var(--gap) * 1.1);
  }

  .author-rail {
    position: static;
    padding-bottom: calc(var(--gap) * 0.85);
    border-bottom: 1px solid var(--border);
  }

  .author-name {
    font-size: clamp(1.65rem, 7vw, 2rem);
  }

  .author-publication-grid {
    grid-template-columns: 1fr;
    gap: calc(var(--gap) * 0.9);
  }

  .book-covers {
    min-height: 0;
    padding-bottom: 0;
  }

  .book-cover-item--2 {
    margin-left: -1.5rem;
    margin-bottom: 0;
  }

  .book-covers img {
    max-height: 168px;
  }
}