/* S2 shared header/footer shell only. Homepage and category layouts are deferred. */

:root {
  --blz-bg: #000000;
  --blz-panel: #000000;
  --blz-text: #f7f8fb;
  --blz-muted: #c7d0dd;
  --blz-gold: #f0b23f;
  --blz-blue: #5ab0ff;
  --blz-border: #28415f;
  --content-width: 1200px;
  --header-width: 1560px;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--blz-bg);
  color: var(--blz-text);
}

body {
  margin: 0;
  min-height: 100vh;
  background: #000000;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.96);
  border-bottom: 1px solid var(--blz-border);
  backdrop-filter: blur(12px);
}

.footer-inner,
.page-shell {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
}

.header-inner {
  width: min(100% - 2rem, var(--header-width));
  margin-inline: auto;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  min-height: 108px;
}

.brand-block {
  display: flex;
  flex-direction: column;
  min-width: 150px;
}

.brand-link {
  display: inline-flex;
  width: max-content;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.12rem;
  color: inherit;
  text-decoration: none;
}

.brand-link:hover .brand-logo,
.brand-link:focus-visible .brand-logo {
  filter: brightness(1.06);
}

.brand-link:focus-visible {
  border-radius: 0.45rem;
  outline: 2px solid var(--blz-gold);
  outline-offset: 4px;
}

.brand-logo {
  display: block;
  width: 80px;
  max-height: 80px;
  height: auto;
  object-fit: contain;
}

.brand-subtitle {
  color: var(--blz-muted);
  font-size: 0.8rem;
  line-height: 1.15;
  white-space: nowrap;
}

.primary-nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 0.2rem;
}

.primary-nav a,
.footer-nav a {
  text-decoration: none;
}

.primary-nav a {
  padding: 0.6rem 0.7rem;
  border-radius: 999px;
  color: var(--blz-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] {
  color: var(--blz-text);
  background: var(--blz-panel);
  outline: none;
}


.page-shell {
  min-height: 60vh;
  padding-block: 1.5rem 4rem;
}

.shell-placeholder {
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #000000;
  border: 1px solid var(--blz-border);
  border-radius: 1rem;
}

.shell-placeholder h1 {
  margin-top: 0;
  color: var(--blz-blue);
}

.shell-placeholder p {
  color: var(--blz-muted);
}

.site-footer {
  border-top: 1px solid var(--blz-border);
  background: #000000;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: center;
  padding-block: 1.5rem;
}

.footer-identity {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-identity span,
.footer-copy {
  color: var(--blz-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--blz-gold);
}

.footer-copy {
  grid-column: 1 / -1;
  font-size: 0.85rem;
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr;
    padding-block: 1rem;
  }

  .primary-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .footer-inner,
  .page-shell {
    width: min(100% - 1rem, var(--content-width));
  }

  .primary-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .primary-nav a {
    text-align: center;
    background: var(--blz-panel);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-copy {
    grid-column: auto;
  }
}

/* S3 homepage structural sections only. */

.homepage-shell {
  display: grid;
  gap: 1.5rem;
}

.home-section {
  scroll-margin-top: 110px;
}

.section-placeholder {
  min-height: 180px;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #000000;
  border: 1px dashed #456487;
  border-radius: 1rem;
}

.section-placeholder h1,
.section-placeholder h2 {
  margin-top: 0.25rem;
  color: var(--blz-blue);
}

.section-placeholder p {
  max-width: 70ch;
  color: var(--blz-muted);
}

.section-order {
  display: inline-flex;
  min-width: 2.25rem;
  min-height: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #08111f;
  background: var(--blz-gold);
  font-weight: 800;
}

.hero-region .section-placeholder {
  min-height: 340px;
}

.checkerboard-placeholder {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.checkerboard-placeholder div {
  display: grid;
  min-height: 150px;
  place-items: center;
  border: 1px solid var(--blz-border);
  border-radius: 0.8rem;
  color: var(--blz-muted);
  background: #000000;
}

@media (max-width: 900px) {
  .checkerboard-placeholder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .checkerboard-placeholder {
    grid-template-columns: 1fr;
  }
}

/* S4 approved homepage graphics placement only. Source files are unchanged. */

.image-section,
.category-section {
  padding: clamp(0.75rem, 2vw, 1.25rem);
  background: #000000;
  border: 1px solid var(--blz-border);
  border-radius: 1rem;
}

.image-section img,
.category-card img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-image-wrap img {
  max-height: none;
  object-fit: contain;
}

.video-feature-wrap {
  max-width: 900px;
  margin-inline: auto;
}

.video-placeholder-link {
  display: block;
  border-radius: 0.9rem;
  overflow: hidden;
  outline-offset: 4px;
}

.video-placeholder-link:hover,
.video-placeholder-link:focus-visible {
  box-shadow: 0 0 0 3px var(--blz-gold);
}

.category-section h2 {
  margin: 0.75rem 0 1.25rem;
  color: var(--blz-blue);
  text-align: center;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.category-checkerboard {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.35rem);
}

.category-card {
  display: block;
  overflow: hidden;
  border: 1px solid var(--blz-border);
  border-radius: 0.85rem;
  background: #000000;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.category-card:hover,
.category-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.48);
  outline: 2px solid var(--blz-gold);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 900px) {
  .category-checkerboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .category-checkerboard {
    grid-template-columns: 1fr;
  }
}

/* S5 category breadcrumb structure. */

.breadcrumb-placeholder {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--blz-muted);
  font-size: 0.92rem;
}

.breadcrumb-placeholder a {
  color: var(--blz-blue);
  text-decoration: none;
}

.breadcrumb-placeholder a:hover,
.breadcrumb-placeholder a:focus-visible {
  text-decoration: underline;
}

/* S6 shared category-page shell template only. */

.category-page-template {
  display: grid;
  gap: 1.5rem;
}

.category-hero,
.category-content-placeholder,
.related-links {
  border: 1px solid var(--blz-border);
  border-radius: 1rem;
  background: #000000;
}

.category-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.category-kicker {
  margin: 0 0 0.5rem;
  color: var(--blz-gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.category-hero h1 {
  margin: 0 0 1rem;
  color: var(--blz-blue);
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.05;
}

.category-description-placeholder {
  margin: 0;
  max-width: 60ch;
  color: var(--blz-muted);
}

.category-hero-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--blz-border);
  border-radius: 0.9rem;
  background: #000000;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.4);
}

.category-content-placeholder,
.related-links {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.category-content-placeholder h2,
.related-links h2 {
  margin-top: 0;
  color: var(--blz-blue);
}

.category-content-placeholder > p {
  color: var(--blz-muted);
}

.content-card-placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.content-card-placeholder {
  display: grid;
  min-height: 150px;
  place-items: center;
  padding: 1rem;
  border: 1px dashed #456487;
  border-radius: 0.75rem;
  color: var(--blz-muted);
  background: #000000;
  text-align: center;
}

.related-links nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.related-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--blz-blue);
  border-radius: 999px;
  color: var(--blz-blue);
  text-decoration: none;
}

.related-links a:hover,
.related-links a:focus-visible {
  color: var(--blz-text);
  background: rgba(90, 176, 255, 0.1);
  outline: none;
}

@media (max-width: 860px) {
  .category-hero {
    grid-template-columns: 1fr;
  }

  .category-hero-image {
    max-width: 560px;
  }

  .content-card-placeholder-grid {
    grid-template-columns: 1fr;
  }
}

/* S7 responsive CSS framework: desktop, tablet, mobile, responsive navigation, and overflow protection. */

html {
  overflow-x: hidden;
  font-size: 100%;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 0;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg,
iframe {
  max-width: 100%;
}

img,
picture,
video,
canvas,
svg {
  height: auto;
}

button,
input,
select,
textarea {
  max-width: 100%;
  font: inherit;
}

.header-inner > *,
.footer-inner > *,
.page-shell > *,
.homepage-shell > *,
.category-page-template > *,
.category-hero > *,
.content-card-placeholder-grid > *,
.category-checkerboard > * {
  min-width: 0;
}

p,
h1,
h2,
h3,
a,
span,
.content-card-placeholder {
  overflow-wrap: anywhere;
}

.nav-toggle {
  display: none;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--blz-gold);
  border-radius: 0.6rem;
  color: var(--blz-gold);
  background: #000000;
  font-weight: 800;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  color: var(--blz-text);
  background: var(--blz-panel);
  outline: 2px solid var(--blz-gold);
  outline-offset: 2px;
}

.primary-nav[hidden] {
  display: none !important;
}

@media (min-width: 1281px) {
  .header-inner {
    grid-template-columns: minmax(150px, auto) minmax(0, 1fr);
  }

  .primary-nav {
    align-content: center;
  }
}

@media (max-width: 1280px) {
  .site-header {
    position: relative;
  }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem 1rem;
    min-height: 0;
    padding-block: 0.85rem;
  }

  .brand-block {
    min-width: 0;
  }

  .js .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
  }

  .primary-nav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    width: 100%;
    padding-top: 0.25rem;
  }

  .primary-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.7rem 0.8rem;
    text-align: center;
    background: var(--blz-panel);
  }

  .home-section {
    scroll-margin-top: 1rem;
  }

  .category-hero {
    grid-template-columns: 1fr;
  }

  .category-hero-image {
    width: min(100%, 560px);
  }

  .content-card-placeholder-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .header-inner,
  .footer-inner,
  .page-shell {
    width: min(100% - 1.25rem, var(--content-width));
  }

  .page-shell {
    padding-block: 1.5rem 2.5rem;
  }

  .homepage-shell,
  .category-page-template {
    gap: 1rem;
  }

  .category-checkerboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-hero,
  .category-content-placeholder,
  .related-links,
  .section-placeholder {
    padding: clamp(1.1rem, 5vw, 1.75rem);
  }

  .category-hero h1 {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .content-card-placeholder-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    gap: 0.75rem 1rem;
  }

  .footer-copy {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .header-inner,
  .footer-inner,
  .page-shell {
    width: min(100% - 1rem, var(--content-width));
  }

  .brand-logo {
    width: 68px;
    max-height: 68px;
  }

  .brand-subtitle {
    font-size: 0.76rem;
  }

  .nav-toggle {
    min-width: 82px;
  }

  .primary-nav {
    grid-template-columns: 1fr;
  }

  .primary-nav a {
    font-size: 1rem;
  }

  .related-links nav,
  .footer-nav {
    display: grid;
    grid-template-columns: 1fr;
  }

  .related-links a {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .breadcrumb-placeholder {
    align-items: flex-start;
    font-size: 0.88rem;
  }

  .category-checkerboard {
    grid-template-columns: 1fr;
  }

  .image-section,
  .category-section {
    padding: 0.5rem;
    border-radius: 0.75rem;
  }

  .category-card,
  .video-placeholder-link,
  .category-hero-image img {
    border-radius: 0.65rem;
  }

  .category-section h2 {
    font-size: clamp(1.5rem, 8vw, 2.1rem);
  }

  .section-placeholder,
  .category-hero,
  .category-content-placeholder,
  .related-links {
    border-radius: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}


/* WAS-L4 approved homepage and essential launch content implementation. */



.content-panel,
.content-page {
  padding: clamp(1.4rem, 4vw, 3rem);
  border: 1px solid var(--blz-border);
  border-radius: 1rem;
  background: #000000;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
}

.content-page-shell {
  display: grid;
  gap: 1rem;
}

.content-page {
  display: grid;
  gap: 1.25rem;
}

.narrow-content-page {
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
}

.content-page-header {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--blz-border);
}

.content-page-header h1,
.mission-panel h1 {
  margin: 0.15rem 0 0.8rem;
  color: var(--blz-blue);
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.03;
}

.content-page-header p,
.content-section p,
.page-intro,
.publisher-intro,
.mission-copy,
.section-intro p,
.preview-card p,
.audience-card p,
.support-card p,
.related-links > p,
.gateway-content > p,
.legal-section p {
  color: var(--blz-muted);
}

.page-intro,
.publisher-intro,
.lead-statement {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.lead-statement {
  margin: 0 0 0.75rem;
  color: var(--blz-gold) !important;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--blz-gold) !important;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.content-section {
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border: 1px solid var(--blz-border);
  border-radius: 0.85rem;
  background: #000000;
}

.content-section h2,
.legal-section h2,
.video-copy h2,
.preview-card h3,
.audience-card h2,
.audience-card h3,
.support-card h2 {
  margin-top: 0;
  color: var(--blz-blue);
}

.emphasis-section {
  border-color: rgba(240, 178, 63, 0.65);
  background: linear-gradient(135deg, rgba(240, 178, 63, 0.08), #000000);
}

.notice-box {
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--blz-gold);
  border-radius: 0.45rem;
  color: var(--blz-muted);
  background: rgba(240, 178, 63, 0.08);
}

.welcome-banner-wrap {
  width: min(100%, 1100px);
  margin-inline: auto;
  padding: 0;
  overflow: hidden;
}

.welcome-banner-wrap img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.mission-panel {
  text-align: center;
}

.publisher-intro,
.mission-copy,
.section-intro p {
  max-width: 82ch;
  margin-inline: auto;
}

.mission-copy {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.audience-grid,
.preview-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.preview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.support-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-card,
.preview-card,
.support-card {
  padding: 1.2rem;
  border: 1px solid var(--blz-border);
  border-radius: 0.8rem;
  background: #000000;
  text-align: left;
}

.audience-card a,
.preview-card a {
  color: var(--blz-gold);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.mission-actions {
  justify-content: center;
}

.button-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.05rem;
  border: 1px solid var(--blz-gold);
  border-radius: 0.65rem;
  color: #08111f;
  background: var(--blz-gold);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.button-link:hover,
.button-link:focus-visible {
  color: var(--blz-text);
  background: transparent;
  outline: 2px solid var(--blz-gold);
  outline-offset: 2px;
}

.button-link-secondary {
  color: var(--blz-blue);
  background: transparent;
  border-color: var(--blz-blue);
}

.button-link-secondary:hover,
.button-link-secondary:focus-visible {
  color: var(--blz-text);
  border-color: var(--blz-gold);
}

.video-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1.18fr);
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: center;
}

.video-panel .video-placeholder-link {
  max-width: none;
}

.centered-intro {
  text-align: center;
  margin-bottom: 1.25rem;
}

.category-section .centered-intro h2 {
  margin-bottom: 0.45rem;
}

.preview-card {
  display: flex;
  flex-direction: column;
}

.preview-card a {
  margin-top: auto;
}

.gateway-content .button-link {
  margin-top: 0.5rem;
}

.effective-date {
  margin: 0;
  color: var(--blz-gold) !important;
  font-weight: 700;
}

.legal-page {
  gap: 0;
}

.legal-section {
  padding-block: 1rem;
  border-bottom: 1px solid var(--blz-border);
}

.legal-section:last-child {
  border-bottom: 0;
}

.legal-section h2 {
  margin-bottom: 0.35rem;
  font-size: 1.12rem;
}

.legal-section p {
  margin: 0;
}

@media (max-width: 900px) {
  .audience-grid,
  .preview-grid,
  .support-grid,
  .video-panel {
    grid-template-columns: 1fr;
  }

  .video-panel .video-placeholder-link {
    width: min(100%, 760px);
  }
}

@media (max-width: 560px) {
  .content-panel,
  .content-page {
    padding: 1rem;
    border-radius: 0.75rem;
  }

  .action-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button-link {
    width: 100%;
  }

  .audience-card,
  .preview-card,
  .support-card,
  .content-section {
    padding: 1rem;
  }
}


/* WAS-L5C1 approved global header, navigation, and vertical-space correction. */
@media (min-width: 1281px) {
  .primary-nav {
    align-items: center;
    justify-content: flex-end;
  }
}


/* WAS-L8: Global pure-black background and scalable Amazon publishing catalog. */
html,
body,
.site-header,
.site-footer,
.shell-placeholder,
.category-hero,
.category-content-placeholder,
.related-links,
.content-panel,
.content-page,
.content-section,
.audience-card,
.preview-card,
.support-card,
.content-card-placeholder,
.category-card {
  background-color: #000000;
}

body {
  background-image: none;
}

.amazon-catalog-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.92fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: stretch;
  margin-top: 1rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid var(--blz-border);
  border-radius: 1rem;
  background: #000000;
}

.amazon-catalog-promo {
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: 0.85rem;
  background: #000000;
}

.amazon-catalog-promo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 0;
  border-radius: 0.85rem;
  background: #000000;
}

.amazon-book-list {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  align-content: center;
  background: #000000;
}

.amazon-book-module {
  display: grid;
  grid-template-columns: minmax(120px, 0.72fr) minmax(250px, 1.28fr);
  gap: clamp(1rem, 2vw, 1.4rem);
  align-items: center;
  padding: 0.5rem;
  border-bottom: 1px solid rgba(240, 178, 63, 0.28);
  background: #000000;
}

.amazon-book-module:last-child {
  border-bottom: 0;
}

.amazon-book-cover-link {
  display: block;
  border-radius: 0.6rem;
  background: #000000;
  text-decoration: none;
}

.amazon-book-cover-link:focus-visible {
  outline: 3px solid var(--blz-gold);
  outline-offset: 4px;
}

.amazon-book-cover {
  display: block;
  width: 100%;
  max-height: 330px;
  object-fit: contain;
  background: #000000;
}

.amazon-book-actions {
  display: grid;
  gap: 0.8rem;
}

.amazon-action,
.amazon-action-disabled {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 0.8rem;
  align-items: center;
  min-height: 72px;
  padding: 0.55rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  color: #f4e66d;
  background: #000000;
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
}

.amazon-action:hover,
.amazon-action:focus-visible {
  border-color: var(--blz-gold);
  color: #ffffff;
  outline: none;
}

.amazon-action-disabled {
  color: #d5c969;
  cursor: not-allowed;
  opacity: 0.72;
}

.amazon-action img,
.amazon-action-disabled img {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #000000;
}

.amazon-action-label {
  display: block;
}

.amazon-coming-soon {
  display: block;
  margin-top: 0.18rem;
  color: var(--blz-muted);
  font-size: 0.72em;
  font-weight: 700;
}

.amazon-note {
  margin-top: 1rem;
  color: var(--blz-muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .amazon-catalog-showcase {
    grid-template-columns: 1fr;
  }

  .amazon-catalog-promo {
    max-width: 760px;
    margin-inline: auto;
  }
}

@media (max-width: 620px) {
  .amazon-book-module {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .amazon-book-cover {
    width: min(76vw, 320px);
    margin-inline: auto;
  }

  .amazon-action,
  .amazon-action-disabled {
    grid-template-columns: 52px minmax(0, 1fr);
    text-align: left;
  }

  .amazon-action img,
  .amazon-action-disabled img {
    width: 52px;
    height: 52px;
  }
}