/* Amazon affiliate banner for Jon’s book — kit page + parent portal */

.mtr-book-banner {
  --book-banner-bg: #fff7f0;
  --book-banner-ink: #1a1410;
  --book-banner-muted: #5c4a3d;
  --book-banner-line: rgba(208, 4, 0, 0.22);
  --book-banner-accent: #d00400;
  margin: 0;
}

.mtr-book-banner__link {
  display: flex;
  align-items: center;
  gap: 0.85rem 1.1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: inherit;
  background:
    linear-gradient(135deg, rgba(208, 4, 0, 0.08), transparent 55%),
    var(--book-banner-bg);
  border: 1px solid var(--book-banner-line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(26, 20, 16, 0.06);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.mtr-book-banner__link:hover {
  border-color: color-mix(in srgb, var(--book-banner-accent) 55%, var(--book-banner-line));
  box-shadow: 0 10px 28px rgba(26, 20, 16, 0.1);
  transform: translateY(-1px);
}

.mtr-book-banner__cover {
  flex: 0 0 auto;
  width: 52px;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  display: block;
}

.mtr-book-banner__copy {
  flex: 1 1 12rem;
  min-width: 0;
  display: grid;
  gap: 0.15rem;
  color: var(--book-banner-ink);
}

.mtr-book-banner__eyebrow {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--book-banner-accent);
}

.mtr-book-banner__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
}

.mtr-book-banner__lede {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--book-banner-muted);
}

.mtr-book-banner__cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: linear-gradient(145deg, #e20800, #a00300);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.mtr-book-banner--kit {
  max-width: var(--max, 1120px);
  margin: 1rem auto 0;
  padding: 0 var(--space, 1.25rem);
}

.mtr-book-banner--parent {
  --book-banner-bg: rgba(255, 247, 240, 0.96);
  margin: 0 0 1rem;
}

@media (max-width: 560px) {
  .mtr-book-banner__link {
    align-items: flex-start;
  }

  .mtr-book-banner__cta {
    width: 100%;
  }
}