.dz-kernel-library .kl-page { color: var(--zap-ink); line-height: 1.65; }
.dz-kernel-library .kl-container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.dz-kernel-library .kl-page h1,
.dz-kernel-library .kl-page h2,
.dz-kernel-library .kl-page h3 { font-family: Manrope, Inter, sans-serif; font-weight: 800; letter-spacing: -0.045em; line-height: 1.12; }
.dz-kernel-library .kl-eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--zap-purple); font-size: 11px; font-weight: 800; letter-spacing: 0.14em; }
.dz-kernel-library .kl-eyebrow i { font-size: 17px; }
.dz-kernel-library .kl-hero { overflow: hidden; background: linear-gradient(115deg, #f9f9ff, #f1efff 75%, #f0f8ff); border-bottom: 1px solid var(--zap-border); }
.dz-kernel-library .kl-hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 36px; padding-block: 76px 72px; }
.dz-kernel-library .kl-hero h1 { margin: 0 0 24px; font-size: clamp(40px, 4.25vw, 60px); }
.dz-kernel-library .kl-hero h1 span { color: var(--zap-purple); }
.dz-kernel-library .kl-lead { max-width: 520px; margin: 0 0 30px; color: var(--zap-muted); font-size: 17px; line-height: 1.8; }
.dz-kernel-library .kl-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.dz-kernel-library .kl-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 13px 22px; border: 1px solid transparent; border-radius: var(--zap-radius); color: #fff; background: var(--zap-purple); font-size: 13px; font-weight: 700; text-decoration: none; transition: background-color 150ms ease; }
.dz-kernel-library .kl-button:hover { color: #fff; background: var(--zap-purple-dark); }
.dz-kernel-library .kl-text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--zap-ink); font-size: 13px; font-weight: 700; }
.dz-kernel-library .kl-text-link:hover { color: var(--zap-purple); }
.dz-kernel-library .kl-page a:focus-visible { outline: 3px solid var(--zap-purple); outline-offset: 5px; }
.dz-kernel-library .kl-hero-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 32px; color: var(--zap-muted); font-size: 12px; }
.dz-kernel-library .kl-hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.dz-kernel-library .kl-hero-meta i { color: var(--zap-purple); font-size: 16px; }
.dz-kernel-library .kl-book-stage { position: relative; height: 435px; isolation: isolate; }
.dz-kernel-library .kl-stage-orbit { position: absolute; inset: 30px -25px 15px; z-index: -1; border: 1px solid rgba(91, 69, 255, 0.1); border-radius: 50%; background: radial-gradient(ellipse, rgba(91, 69, 255, 0.12), transparent 68%); transform: rotate(-15deg); }
.dz-kernel-library .kl-hero-book { position: absolute; width: 48%; height: auto; border-radius: 2px 6px 6px 2px; box-shadow: -5px 4px 0 #dddde8, 0 26px 40px rgba(24, 20, 66, 0.19); }
.dz-kernel-library .kl-hero-book-one { top: 30px; left: 6%; z-index: 2; transform: rotate(-9deg); }
.dz-kernel-library .kl-hero-book-two { top: 67px; right: 1%; transform: rotate(8deg); }
.dz-kernel-library .kl-stage-caption { position: absolute; bottom: 0; width: 100%; text-align: center; color: var(--zap-muted); font-size: 10px; font-weight: 700; letter-spacing: 0.2em; }
.dz-kernel-library .kl-books { padding-block: 76px; scroll-margin-top: 130px; }
.dz-kernel-library .kl-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.dz-kernel-library .kl-section-heading .kl-eyebrow { margin-bottom: 12px; }
.dz-kernel-library .kl-section-heading h2 { margin: 0; font-size: clamp(28px, 3vw, 36px); }
.dz-kernel-library .kl-section-heading > p { flex: 0 1 330px; margin: 0; color: var(--zap-muted); font-size: 14px; }
.dz-kernel-library .kl-book-card { display: grid; grid-template-columns: 0.85fr 1.15fr; overflow: hidden; margin-bottom: 28px; border: 1px solid var(--zap-border); border-radius: var(--zap-radius); background: #fff; }
.dz-kernel-library .kl-cover-panel { display: flex; align-items: center; justify-content: center; padding: 38px; background: #f2f0ff; }
.dz-kernel-library .kl-cover-panel-two { background: #eef6fa; }
.dz-kernel-library .kl-cover-panel img { width: min(100%, 248px); height: auto; border-radius: 2px 5px 5px 2px; box-shadow: -4px 3px 0 #d5d7e3, 0 20px 30px rgba(24, 20, 66, 0.15); transform: rotate(-3deg); }
.dz-kernel-library .kl-cover-panel-two img { transform: rotate(3deg); }
.dz-kernel-library .kl-book-details { align-self: center; padding: 40px 48px; }
.dz-kernel-library .kl-volume-label { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 0 0 16px; color: var(--zap-purple); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; }
.dz-kernel-library .kl-volume-label span { padding-left: 12px; border-left: 1px solid var(--zap-border); color: var(--zap-muted); font-size: 10px; }
.dz-kernel-library .kl-book-details h3 { max-width: 420px; margin: 0 0 18px; font-size: 30px; }
.dz-kernel-library .kl-book-details > p:not(.kl-volume-label):not(.kl-book-byline) { margin: 0 0 22px; color: var(--zap-muted); font-size: 14px; }
.dz-kernel-library .kl-topics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 0 0 28px; padding: 0; list-style: none; font-size: 12px; font-weight: 500; }
.dz-kernel-library .kl-topics li { display: flex; align-items: baseline; gap: 7px; }
.dz-kernel-library .kl-topics i { color: var(--zap-purple); font-size: 16px; }
.dz-kernel-library .kl-book-byline { margin: 12px 0 0; color: var(--zap-muted); font-size: 11px; }
.dz-kernel-library .kl-amazon-note { display: flex; align-items: baseline; gap: 13px; padding: 20px 24px; border: 1px solid var(--zap-border); border-radius: var(--zap-radius); background: var(--zap-soft); color: var(--zap-muted); font-size: 13px; }
.dz-kernel-library .kl-amazon-note i,
.dz-kernel-library .kl-amazon-note strong { color: var(--zap-ink); }
.dz-kernel-library .kl-amazon-note p { margin: 0; }
.dz-kernel-library .kl-course-section { padding-block: 64px; background: var(--zap-soft); border-block: 1px solid var(--zap-border); scroll-margin-top: 110px; }
.dz-kernel-library .kl-course-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; align-items: center; gap: 56px; }
.dz-kernel-library .kl-course-copy h2 { margin-bottom: 22px; font-size: clamp(30px, 3vw, 40px); }
.dz-kernel-library .kl-course-copy > p:not(.kl-eyebrow) { margin-bottom: 26px; color: var(--zap-muted); font-size: 14px; }
.dz-kernel-library .kl-course-caption { display: block; margin-top: 14px; color: var(--zap-muted); font-size: 11px; }
.dz-kernel-library .kl-video { overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid var(--zap-border); border-radius: var(--zap-radius); background: var(--zap-ink); box-shadow: var(--zap-shadow); }
.dz-kernel-library .kl-video iframe { display: block; width: 100%; height: 100%; border: 0; }
.dz-kernel-library .kl-testimonials { padding-block: 76px 88px; }
.dz-kernel-library .kl-review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dz-kernel-library .kl-review { display: flex; flex-direction: column; margin: 0; padding: 28px; border: 1px solid var(--zap-border); border-radius: var(--zap-radius); }
.dz-kernel-library .kl-stars { margin-bottom: 16px; color: #966000; font-size: 15px; letter-spacing: 3px; }
.dz-kernel-library .kl-review blockquote { flex: 1; margin: 0 0 28px; font-size: 14px; line-height: 1.85; }
.dz-kernel-library .kl-review figcaption { display: grid; gap: 3px; font-size: 12px; }
.dz-kernel-library .kl-review figcaption span { color: var(--zap-muted); font-size: 11px; }

@media (max-width: 1050px) {
    .dz-kernel-library .kl-hero-grid { gap: 24px; }
    .dz-kernel-library .kl-book-stage { height: 380px; }
    .dz-kernel-library .kl-book-details { padding: 32px; }
    .dz-kernel-library .kl-course-grid { gap: 32px; }
}

@media (max-width: 800px) {
    .dz-kernel-library .kl-hero-grid { grid-template-columns: 1fr; padding-block: 48px 36px; }
    .dz-kernel-library .kl-hero-copy { max-width: 600px; }
    .dz-kernel-library .kl-book-stage { width: min(460px, 90%); height: 385px; margin-inline: auto; }
    .dz-kernel-library .kl-section-heading { display: block; }
    .dz-kernel-library .kl-section-heading > p { max-width: 520px; margin-top: 16px; }
    .dz-kernel-library .kl-books, .dz-kernel-library .kl-testimonials { padding-block: 48px; }
    .dz-kernel-library .kl-book-card { grid-template-columns: 0.7fr 1fr; }
    .dz-kernel-library .kl-cover-panel { padding: 24px; }
    .dz-kernel-library .kl-book-details { padding: 28px; }
    .dz-kernel-library .kl-book-details h3 { font-size: 26px; }
    .dz-kernel-library .kl-topics { grid-template-columns: 1fr; }
    .dz-kernel-library .kl-course-grid { grid-template-columns: 1fr; }
    .dz-kernel-library .kl-course-copy { max-width: 540px; }
    .dz-kernel-library .kl-review-grid { grid-template-columns: 1fr; gap: 16px; }
    .dz-kernel-library .kl-review blockquote { margin-bottom: 20px; }
}

@media (max-width: 560px) {
    .dz-kernel-library .kl-container { width: calc(100% - 36px); }
    .dz-kernel-library .kl-hero h1 { font-size: 38px; }
    .dz-kernel-library .kl-lead { font-size: 15px; }
    .dz-kernel-library .kl-eyebrow { font-size: 10px; letter-spacing: 0.1em; }
    .dz-kernel-library .kl-hero-meta { gap: 14px; margin-top: 24px; font-size: 11px; }
    .dz-kernel-library .kl-book-stage { height: clamp(260px, 85vw, 385px); width: 94%; }
    .dz-kernel-library .kl-hero-book-one { top: 30px; }
    .dz-kernel-library .kl-hero-book-two { top: 55px; }
    .dz-kernel-library .kl-book-card { grid-template-columns: 1fr; }
    .dz-kernel-library .kl-cover-panel { padding: 32px; }
    .dz-kernel-library .kl-cover-panel img { width: 210px; }
    .dz-kernel-library .kl-book-details { padding: 28px 24px; }
    .dz-kernel-library .kl-topics { grid-template-columns: 1fr; }
    .dz-kernel-library .kl-button { max-width: 100%; padding-inline: 16px; font-size: 12px; }
    .dz-kernel-library .kl-amazon-note { padding: 18px; font-size: 12px; }
    .dz-kernel-library .kl-course-section { padding-block: 44px; }
    .dz-kernel-library .kl-section-heading h2 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    html:has(.dz-kernel-library) { scroll-behavior: auto; }
    .dz-kernel-library .kl-button { transition: none; }
}