.product-page .site-header {
  position: sticky;
}

.lp-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.2rem, 4vw, 3rem) clamp(2.5rem, 5vw, 4rem);
  min-height: calc(100vh - 72px);
}

.lp-back {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--mist);
  font-size: 0.9rem;
}

.lp-back:hover {
  color: var(--jade-bright);
}

.lp-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  margin: 0.4rem 0 0.9rem;
  background: linear-gradient(120deg, #fff 0%, var(--jade-bright) 45%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 1rem;
  max-width: 22ch;
}

.lp-lead {
  margin: 0 0 0.85rem;
  color: var(--mist);
  max-width: 48ch;
}

.lp-expert {
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  color: var(--paper-dim);
}

.lp-hero-media {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--ink-soft);
  animation: float-in 1s var(--ease) both;
}

.lp-hero-media img {
  width: 100%;
  height: auto;
  display: block;
}

.lp-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.lp-price {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lp-price strong {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.lp-section {
  padding: clamp(2.2rem, 5vw, 3.8rem) clamp(1.2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.lp-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 1.9rem);
  letter-spacing: -0.03em;
  margin: 0 0 1.2rem;
}

.lp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 54rem;
}

.lp-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper-dim);
}

.lp-list img {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.lp-note {
  margin: 1.2rem 0 0;
  color: var(--mist);
  max-width: 48rem;
}

.lp-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}

.lp-gallery figure,
.lp-order-imgs figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--ink-soft);
}

.lp-gallery img,
.lp-order-imgs img {
  width: 100%;
  height: auto;
  display: block;
}

.lp-gallery-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
  color: inherit;
}

.lp-gallery-open:hover img {
  opacity: 0.92;
}

.lp-gallery-open:focus-visible {
  outline: 2px solid var(--jade-bright);
  outline-offset: 2px;
}

.lp-gallery figcaption,
.lp-order-imgs figcaption {
  padding: 0.65rem 0.8rem;
  font-size: 0.85rem;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* Screenshot lightbox */
.lp-lightbox[hidden] {
  display: none;
}

.lp-lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.lp-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 14, 0.82);
  backdrop-filter: blur(5px);
}

.lp-lightbox-panel {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  max-height: min(92vh, 900px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lp-lightbox-img {
  max-width: 100%;
  max-height: min(78vh, 780px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  box-shadow: var(--shadow);
}

.lp-lightbox-caption {
  margin: 0;
  color: var(--paper-dim);
  text-align: center;
  font-size: 0.95rem;
}

.lp-lightbox-close {
  position: absolute;
  top: -0.4rem;
  right: 0;
  z-index: 2;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  color: var(--paper);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.lp-lightbox-close:hover {
  border-color: var(--jade-bright);
}

.lp-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(14, 34, 51, 0.9);
  color: var(--paper);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.lp-lightbox-nav:hover {
  border-color: var(--jade-bright);
  color: var(--jade-bright);
}

.lp-lightbox-nav.prev {
  left: 0.25rem;
}

.lp-lightbox-nav.next {
  right: 0.25rem;
}

@media (max-width: 720px) {
  .lp-lightbox-nav.prev {
    left: 0;
  }

  .lp-lightbox-nav.next {
    right: 0;
  }
}

.lp-whom {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.lp-whom article {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.lp-whom h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.lp-whom p {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
}

.lp-steps {
  margin: 0 0 1.5rem;
  padding-left: 1.2rem;
  max-width: 44rem;
  color: var(--paper-dim);
}

.lp-steps li {
  margin-bottom: 0.65rem;
}

.lp-order-imgs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.lp-authors {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
}

.lp-authors-photos {
  display: flex;
  gap: 0.65rem;
}

.lp-authors-photos figure {
  margin: 0;
  width: 64px;
}

.lp-authors-photos img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: block;
}

.lp-authors-photos figcaption {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--mist);
  text-align: center;
}

.lp-authors h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
}

.lp-author-bio {
  margin: 0 0 1.2rem;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.55;
}

.lp-author-photo {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.lp-author-facts {
  margin: 0 0 1.2rem;
  padding-left: 1.1rem;
  color: var(--mist);
}

.lp-author-facts li {
  margin-bottom: 0.35rem;
}

.lp-books {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: flex-start;
}

.lp-books a {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100px;
  color: var(--mist);
  font-size: 0.72rem;
  line-height: 1.25;
  text-align: center;
}

.lp-books a:hover {
  color: var(--jade-bright);
}

.lp-books img {
  width: 100px;
  height: 140px;
  object-fit: cover;
  object-position: center top;
  border-radius: 4px;
  border: 1px solid var(--line);
  transition: transform 0.2s var(--ease);
  display: block;
}

.lp-books a:hover img {
  transform: translateY(-3px);
}

.elibrary-link {
  color: var(--jade-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.lp-reviews-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.lp-reviews-head h2 {
  margin: 0;
}

.lp-reviews-more {
  margin: 1.25rem 0 0;
  color: var(--mist);
}

.lp-reviews-more a {
  color: var(--jade-bright);
}

.lp-reviews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.lp-reviews img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.lp-final-cta {
  background: linear-gradient(180deg, rgba(15, 107, 84, 0.12), transparent);
}

.lp-support a {
  color: var(--jade-bright);
}

.pad {
  padding: 3rem;
}

@media (max-width: 900px) {
  .lp-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .lp-hero-media {
    order: -1;
  }

  .lp-authors {
    grid-template-columns: 1fr;
  }

  .lp-authors-photos {
    max-width: none;
  }

  .lp-author-photo {
    max-width: 200px;
  }
}