:root {
  --nb-color-ivory: #F7F3EE;
  --nb-color-cream: #FFFDF8;
  --nb-color-white: #FFFFFF;
  --nb-color-navy: #17324A;
  --nb-color-navy-soft: #243D56;
  --nb-color-gold: #C79B52;
  --nb-color-gold-soft: #D7B98E;
  --nb-color-sand: #EFE7DC;
  --nb-color-border: #E3D8C9;
  --nb-color-text: #232323;
  --nb-color-text-soft: #5F5B57;
  --bg-primary: #F7F3EE;
  --bg-secondary: #EFE7DC;
  --bg-elevated: #FFFFFF;
  --nb-section-background-color: #F7F3EE;
  --nb-section-alt-background-color: #EFE7DC;
  --nb-section-title-color: #232323;
  --nb-section-text-color: #5F5B57;
  --nb-section-kicker-color: #2E6D73;
  --nb-card-background-color: #FFFFFF;
  --nb-card-border-color: #E4D8CA;
  --nb-card-border-width: 1px;
  --nb-button-primary-background-color: var(--accent-navy);
  --nb-button-primary-text-color: #FFFFFF;
  --nb-button-primary-hover-background-color: var(--accent-teal);
  --nb-button-primary-hover-text-color: #FFFFFF;
  --nb-button-secondary-background-color: #FFFFFF;
  --nb-button-secondary-text-color: var(--accent-navy);
  --nb-button-secondary-hover-background-color: var(--bg-secondary);
  --nb-button-secondary-hover-text-color: var(--accent-navy);
  --text-primary: #232323;
  --text-secondary: #5F5B57;
  --text-muted: #8B8782;
  --accent-navy: #17324A;
  --accent-teal: #2E6D73;
  --accent-gold: #C79B52;
  --accent-sand: #DCC7A1;
  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1320px;
  --radius-card: 24px;
  --radius-button: 999px;
  --shadow-soft: 0 8px 30px rgba(0,0,0,0.06);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.10);
  --nb-hero-surface-bg: #FFFDF8;
  --nb-hero-surface-border: #E3D8C9;
  --nb-hero-surface-shadow: 0 20px 60px rgba(23, 50, 74, 0.10);
  --transition-soft: 220ms ease-out;
}
.nb-theme-maze { --theme-primary: #17324A; --theme-secondary: #2E6D73; --theme-accent: #C79B52; --theme-soft: #EDF3F4; }
.nb-theme-seniors { --theme-primary: #8C6B5A; --theme-secondary: #A8B09C; --theme-accent: #D7B98E; --theme-soft: #F7F1E8; }
.nb-theme-word { --theme-primary: #2C3A47; --theme-secondary: #556B7A; --theme-accent: #D3A652; --theme-soft: #F4F1E9; }
.nb-theme-neutral { --theme-primary: var(--accent-navy); --theme-secondary: var(--accent-teal); --theme-accent: var(--accent-gold); --theme-soft: var(--bg-secondary); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg-primary); color: var(--text-primary); font-family: var(--font-body); line-height: 1.6; text-rendering: optimizeLegibility; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .35; background-image: radial-gradient(rgba(23,50,74,.08) 1px, transparent 1px); background-size: 24px 24px; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-teal); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent-gold); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }
h1,h2,h3,h4,h5,h6,
.nb-heading { font-family: var(--font-heading); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 1rem; }
h1 { font-size: clamp(2.65rem, 11vw, 5.9rem); }
h2 { font-size: clamp(2rem, 6vw, 4rem); }
h3 { font-size: clamp(1.35rem, 3vw, 2rem); }
p { margin: 0 0 1rem; color: var(--text-secondary); }
.screen-reader-text, .nb-skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.nb-skip-link:focus { position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: .8rem 1rem; background: var(--bg-elevated); border-radius: 12px; }
.nb-container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.nb-container--narrow { width: min(100% - 2rem, 820px); }
.nb-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(18px); background: rgba(247,243,238,.82); border-bottom: 1px solid rgba(35,35,35,.08); transition: box-shadow var(--transition-soft), background var(--transition-soft); }
.nb-header.is-scrolled { background: rgba(247,243,238,.94); box-shadow: 0 10px 30px rgba(23,50,74,.08); }
.nb-header__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nb-logo { display: inline-flex; align-items: center; gap: .75rem; font-weight: 800; color: var(--accent-navy); }
.nb-logo__mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--accent-navy); color: #fff; font-family: var(--font-heading); }
.nb-nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; border: 0; background: transparent; padding: .6rem; }
.nb-lang { display: inline-flex; gap: .5rem; font-weight: 800; }
.nb-lang a[aria-current="true"] { color: var(--accent-teal); text-decoration: underline; }
.nb-nav-toggle span:not(.screen-reader-text) { width: 24px; height: 2px; background: var(--text-primary); }
.nb-nav { position: absolute; inset: 76px 1rem auto; padding: 1rem; background: var(--bg-elevated); border-radius: 20px; box-shadow: var(--shadow-soft); opacity: 0; transform: translateY(-8px); pointer-events: none; transition: var(--transition-soft); }
.nb-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nb-nav__list, .nb-footer__links { list-style: none; padding: 0; margin: 0; display: grid; gap: .85rem; }
.nb-nav a { font-weight: 700; color: var(--text-primary); }
.nb-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.25rem; border-radius: var(--radius-button); font-weight: 800; border: 1px solid transparent; transition: transform var(--transition-soft), box-shadow var(--transition-soft), background-color var(--transition-soft), color var(--transition-soft), border-color var(--transition-soft); }
.nb-button:hover, .nb-button:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.nb-button:active { transform: translateY(0); box-shadow: var(--shadow-soft); }
.nb-button--primary, .nb-button--amazon { background-color: var(--nb-button-primary-background-color); color: var(--nb-button-primary-text-color); }
.nb-button--primary:hover, .nb-button--primary:focus-visible, .nb-button--primary:active,
.nb-button--amazon:hover, .nb-button--amazon:focus-visible, .nb-button--amazon:active { background-color: var(--nb-button-primary-hover-background-color); color: var(--nb-button-primary-hover-text-color); }
.nb-button--secondary { background-color: var(--nb-button-secondary-background-color); color: var(--nb-button-secondary-text-color); border-color: var(--nb-button-secondary-text-color); }
.nb-button--secondary:hover, .nb-button--secondary:focus-visible, .nb-button--secondary:active { background-color: var(--nb-button-secondary-hover-background-color); color: var(--nb-button-secondary-hover-text-color); border-color: var(--nb-button-secondary-hover-text-color); }
.nb-button--ghost { border-color: var(--nb-button-secondary-text-color); background-color: var(--nb-button-secondary-background-color); color: var(--nb-button-secondary-text-color); }
.nb-button--ghost:hover, .nb-button--ghost:focus-visible, .nb-button--ghost:active { border-color: var(--nb-button-secondary-hover-text-color); background-color: var(--nb-button-secondary-hover-background-color); color: var(--nb-button-secondary-hover-text-color); }
.nb-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.nb-kicker { margin-bottom: .7rem; color: var(--theme-secondary, var(--accent-teal)); font-weight: 900; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; }
.nb-hero { --bg-primary: #F7F3EE; --bg-secondary: #EFE7DC; --bg-elevated: #FFFFFF; padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.5rem, 5vw, 4rem); touch-action: pan-y; }
.nb-hero-carousel,
.nb-hero-carousel * { -webkit-user-select: none; user-select: none; }
.nb-hero-carousel a,
.nb-hero-carousel button,
.nb-hero-carousel input,
.nb-hero-carousel select,
.nb-hero-carousel textarea,
.nb-hero-carousel [tabindex]:not([tabindex="-1"]) { pointer-events: auto; -webkit-user-select: auto; user-select: auto; }
.nb-hero-carousel { cursor: grab; }
.nb-hero-carousel a,
.nb-hero-carousel button { cursor: pointer; }
.nb-hero-carousel.is-dragging { cursor: grabbing; }
.nb-hero__viewport { position: relative; overflow: hidden; touch-action: pan-y; border-radius: 32px; background: var(--nb-hero-surface-bg, #FFFDF8); background-color: var(--nb-hero-surface-bg, #FFFDF8); border: 1px solid var(--nb-hero-surface-border, #E3D8C9); box-shadow: var(--nb-hero-surface-shadow, 0 20px 60px rgba(23, 50, 74, 0.10)); }
.nb-hero__track { display: flex; will-change: transform; transition: transform 260ms ease-out; }
.nb-hero__track.is-dragging { transition: none; }
.nb-hero__slide { display: grid; grid-template-columns: 1fr; gap: clamp(1.75rem, 5vw, 4rem); flex: 0 0 100%; min-width: 100%; min-height: clamp(560px, 72vh, 720px); padding: clamp(2rem, 5vw, 5rem); background: transparent; background-color: transparent; }
.nb-hero__slide.is-active { animation: nbFade .28s ease-out; }
.nb-hero__subheadline, .nb-lead { font-size: clamp(1.1rem, 2vw, 1.35rem); max-width: 680px; }
.nb-hero__subheadline { max-width: 560px; }
.nb-hero__copy { position: relative; z-index: 2; max-width: 600px; }
.nb-hero__copy h1 { max-width: 11.5ch; }
.nb-hero__art { position: relative; min-height: 300px; display: grid; place-items: center; isolation: isolate; }
.nb-hero__art::before { content: ""; position: absolute; width: min(78%, 560px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.82) 0%, color-mix(in srgb, var(--theme-accent) 32%, transparent) 42%, transparent 70%); filter: blur(2px); opacity: .62; pointer-events: none; z-index: -1; }
.nb-book-stack { position: relative; width: min(72vw, 380px); height: 360px; }
.nb-book-stack span { position: absolute; inset: 15% 16%; border-radius: 18px; background: var(--theme-primary); box-shadow: var(--shadow-hover); transform: rotate(-8deg); }
.nb-book-stack span:nth-child(2) { inset: 8% 24% 12% 8%; background: var(--theme-accent); transform: rotate(7deg); }
.nb-book-stack span:nth-child(3) { inset: 0 8% 18% 24%; background: #fff; border: 10px solid var(--theme-primary); transform: rotate(0deg); }
.nb-hero__dots { position: absolute; bottom: 1.15rem; left: 50%; z-index: 3; transform: translateX(-50%); display: flex; gap: .45rem; padding: .35rem .45rem; border-radius: 999px; background: rgba(255,255,255,.42); backdrop-filter: blur(12px); }
.nb-hero__dots button { width: 8px; height: 8px; border: 0; border-radius: 50%; background: rgba(15,35,60,.26); cursor: pointer; transition: width .2s ease, background .2s ease, opacity .2s ease; }
.nb-hero__dots button:hover, .nb-hero__dots button:focus-visible { background: var(--nb-button-primary-hover-background-color); opacity: 1; }
.nb-hero__dots button.is-active { width: 24px; border-radius: 999px; background: var(--nb-button-primary-background-color); }
.nb-section { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.nb-section--tinted { background: var(--nb-bg-section-warm, #EFE7DC); }
.nb-home-section { --nb-home-section-background-color: var(--nb-section-background-color); background: var(--nb-home-section-background-color); }
.nb-home-section--alt { --nb-home-section-background-color: var(--nb-section-alt-background-color); }
.nb-home-section h2 { color: var(--nb-section-title-color); }
.nb-home-section p:not(.nb-kicker) { color: var(--nb-section-text-color); }
.nb-home-section .nb-kicker { color: var(--nb-section-kicker-color); }
.nb-section__header { margin-bottom: 2rem; max-width: 850px; }
.nb-grid { display: grid; gap: 1.25rem; }
.nb-grid--books { grid-template-columns: 1fr; }
.nb-card { overflow: hidden; border: var(--nb-card-border-width, 0) solid var(--nb-card-border-color, transparent); border-radius: var(--radius-card); background: var(--nb-card-background-color, rgba(255,255,255,.84)); box-shadow: var(--shadow-soft); transition: transform var(--transition-soft), box-shadow var(--transition-soft), border-color var(--transition-soft), background var(--transition-soft); }
.nb-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.nb-book-card, .nb-collection-card { transition: transform var(--transition-soft, 220ms ease-out), box-shadow var(--transition-soft, 220ms ease-out), border-color var(--transition-soft, 220ms ease-out); }
.nb-book-card:hover, .nb-collection-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.nb-card__image { width: 100%; aspect-ratio: 4/5; object-fit: contain; background: var(--nb-card-background-color, #FFFFFF); }
.nb-collection-card__cover { width: 100%; aspect-ratio: 10 / 16; overflow: hidden; display: block; border-radius: var(--nb-radius-card, 24px) var(--nb-radius-card, 24px) 0 0; background: var(--nb-bg-secondary, #EFE7DC); }
.nb-collection-card__cover img, .nb-collection-card__cover .nb-card__image { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center top; transition: transform var(--transition-soft, 220ms ease-out); }
.nb-book-card { display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius-card, 24px); background: var(--nb-card-background-color, #FFFFFF); border: var(--nb-card-border-width, 1px) solid var(--nb-card-border-color, #E3D8C9); box-shadow: var(--shadow-soft, 0 8px 30px rgba(0,0,0,.06)); }
.nb-book-card__cover { width: 100%; aspect-ratio: 4 / 5; overflow: hidden; display: block; border-radius: var(--radius-card, 24px) var(--radius-card, 24px) 0 0; background: var(--nb-bg-secondary, var(--bg-secondary, #EFE7DC)); }
.nb-book-card__cover img, .nb-book-card__cover .nb-card__image { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center top; border-radius: 0; transition: transform var(--transition-soft, 220ms ease-out); }
.nb-book-card__cover .nb-cover-placeholder { width: 100%; height: 100%; }
.nb-book-card .nb-card__body { padding: 1.4rem; }
.nb-card__body { padding: 1.4rem; }
.nb-card__body p:last-child { margin-bottom: 0; }
.nb-card--placeholder { min-height: 280px; display: flex; align-items: end; background: var(--nb-card-background-color, #FFFFFF); }
.nb-cover-placeholder { display: block; aspect-ratio: 4/5; background: var(--accent-navy); }
.nb-search-panel { margin-bottom: 2rem; }
.nb-search { display: grid; gap: .75rem; padding: 1rem; background: rgba(255,255,255,.72); border-radius: 24px; box-shadow: var(--shadow-soft); }
.nb-search input, .nb-search select { width: 100%; min-height: 48px; border: 1px solid rgba(35,35,35,.12); border-radius: 999px; padding: 0 1rem; background: #fff; font: inherit; }
.nb-search-results { display: grid; gap: .75rem; margin-top: 1rem; }
.nb-search-result { display: flex; gap: 1rem; align-items: center; padding: .8rem; border-radius: 18px; background: #fff; box-shadow: var(--shadow-soft); }
.nb-search-result img { width: 58px; height: 72px; object-fit: cover; border-radius: 10px; }
.nb-split { display: grid; gap: 2rem; align-items: center; }
.nb-paper-stack, .nb-rounded-image { min-height: 320px; border-radius: 30px; background: var(--nb-bg-card, #FFFFFF); box-shadow: var(--shadow-soft); }
.nb-hero__image { position: relative; z-index: 1; width: min(100%, 500px); max-height: 500px; object-fit: contain; filter: drop-shadow(0 26px 38px rgba(34,34,34,.16)); pointer-events: none; user-select: none; }
.nb-hero-carousel .nb-hero__art { border-radius: clamp(20px, 2.4vw, 32px); }
.nb-hero-carousel .nb-hero__image { display: block; width: min(100%, 560px); max-height: 560px; object-fit: contain; border: 1px solid var(--nb-hero-surface-border, rgba(23, 50, 74, 0.08)); border-radius: clamp(20px, 2.4vw, 32px); box-shadow: 0 18px 50px rgba(23, 50, 74, 0.14); filter: none; }
.nb-page-hero { padding: clamp(3rem, 8vw, 7rem) 0; background: var(--nb-hero-bg, var(--bg-primary)); }
.nb-single-book__cover img, .nb-rounded-image { width: min(100%, 430px); max-height: 520px; object-fit: contain; border-radius: 28px; box-shadow: var(--shadow-hover); }
.nb-content { font-size: 1.08rem; }
.nb-content h2 { margin-top: 2.5rem; }
.nb-faq__item { margin: .75rem 0; padding: 1.2rem 1.4rem; border-radius: 18px; background: var(--nb-card-background-color, #fff); box-shadow: var(--shadow-soft); }
.nb-faq__heading { margin: 0; font-family: var(--font-body); font-size: 1rem; }
.nb-faq__button { width: 100%; border: 0; background: transparent; padding: 0; color: var(--text-primary); cursor: pointer; font: inherit; font-weight: 800; text-align: left; }
.nb-faq__panel { margin-top: .85rem; }
.nb-search-message { margin-top: 1rem; padding: .9rem 1rem; border-radius: 18px; background: var(--nb-card-background-color, #fff); box-shadow: var(--shadow-soft); }

.nb-collections-page .nb-page-hero { text-align: center; }
.nb-page-intro { padding-bottom: 0; }
.nb-page-intro .nb-content { padding: clamp(1.5rem, 4vw, 2.5rem); border-radius: var(--radius-card); background: rgba(255,255,255,.72); box-shadow: var(--shadow-soft); }
.nb-collections-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.nb-empty-state { grid-column: 1 / -1; padding: 1.2rem 1.4rem; border-radius: 18px; background: rgba(255,255,255,.84); box-shadow: var(--shadow-soft); }
.nb-search-message.is-error { color: #7a1f1f; }
.nb-share { display: flex; gap: .75rem; margin-top: 2rem; }
.nb-share a { padding: .65rem 1rem; border-radius: 999px; background: var(--bg-secondary); font-weight: 800; }
.nb-instagram__inner { text-align: center; padding: clamp(2rem, 6vw, 4rem); border-radius: 32px; background: var(--nb-bg-card, #FFFFFF); }
.nb-footer { padding: 3rem 0; background: #171717; color: #fff; }
.nb-footer p, .nb-footer a { color: rgba(255,255,255,.72); }
.nb-footer__grid { display: grid; gap: 2rem; }
.nb-logo--footer .nb-logo__mark { background: var(--accent-gold); color: #171717; }
.nb-pagination { margin-top: 2rem; }
@keyframes nbFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (min-width: 760px) {
  .nb-nav-toggle { display: none; }
  .nb-nav { position: static; padding: 0; opacity: 1; transform: none; pointer-events: auto; background: transparent; box-shadow: none; }
  .nb-nav__list { display: flex; align-items: center; gap: 1.5rem; }
  .nb-hero__slide { grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr); align-items: center; gap: clamp(1.75rem, 4vw, 4rem); }
  .nb-hero__art { justify-items: center; min-height: 420px; transform: translateX(clamp(-1.5rem, -1.8vw, -.5rem)); }
  .nb-hero__image { width: min(100%, 560px, 48vw); max-height: 540px; }
  .nb-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .nb-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .nb-grid--books { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nb-collections-grid { grid-template-columns: repeat(2, 1fr); }
  .nb-search { grid-template-columns: 2fr 1fr 1fr; }
  .nb-split { grid-template-columns: 1fr 1fr; }
  .nb-footer__grid { grid-template-columns: 1.4fr .8fr 1fr; }
}
@media (min-width: 1080px) { .nb-grid--4 { grid-template-columns: repeat(4, 1fr); } .nb-grid--books { grid-template-columns: repeat(3, minmax(0, 1fr)); } .nb-collections-grid { grid-template-columns: repeat(3, 1fr); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } .nb-book-card, .nb-collection-card, .nb-book-card__cover img, .nb-collection-card__cover img { transition: none; } .nb-book-card:hover, .nb-collection-card:hover, .nb-book-card:hover .nb-book-card__cover img, .nb-collection-card:hover .nb-collection-card__cover img { transform: none; } }
.nb-cover-placeholder--hero { width: min(100%, 360px); margin-inline: auto; border-radius: 28px; box-shadow: var(--shadow-hover); }
.nb-preview-gallery__grid { display: grid; grid-template-columns: 1fr; gap: clamp(1rem, 2.5vw, 1.5rem); }
.nb-preview-gallery__item { margin: 0; padding: clamp(1rem, 2vw, 1.35rem); overflow: hidden; border: 1px solid rgba(35,35,35,.08); border-radius: 20px; background: #fff; box-shadow: var(--shadow-soft); transition: transform var(--transition-soft), box-shadow var(--transition-soft), border-color var(--transition-soft); }
.nb-preview-gallery__item:hover { transform: translateY(-4px); border-color: rgba(46,109,115,.22); box-shadow: var(--shadow-hover); }
.nb-preview-gallery__link { display: block; border-radius: 14px; background: #fff; }
.nb-preview-gallery__image { width: 100%; aspect-ratio: 4 / 5; object-fit: contain; background: #fff; }
.nb-preview-gallery__caption { margin-top: .85rem; color: var(--text-secondary); font-size: .95rem; text-align: center; }
.nb-book-editorial-content .nb-content > h2:first-child { margin-top: 0; }
.nb-editorial-content > *:first-child { margin-top: 0; }
.nb-editorial-content > *:last-child { margin-bottom: 0; }
.nb-editorial-content .wp-block-gallery { margin: 1.5rem 0; }
.nb-editorial-content .wp-block-gallery img { border-radius: 18px; box-shadow: var(--shadow-soft); }
@media (min-width: 760px) { .nb-preview-gallery__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .nb-preview-gallery__grid { grid-template-columns: repeat(3, 1fr); } }
.nb-sample-cta__inner, .nb-amazon-cta__inner { display: grid; gap: 1.25rem; align-items: center; padding: clamp(1.5rem, 4vw, 2.5rem); }
@media (min-width: 760px) { .nb-sample-cta__inner, .nb-amazon-cta__inner { grid-template-columns: 1fr auto; } }

/* Premium single book card polish */
.nb-single-book {
  --nb-book-card-padding: clamp(2rem, 4vw, 3rem);
  --nb-book-card-padding-mobile: 1.375rem;
  --nb-book-card-radius: 24px;
  --nb-book-media-radius: 22px;
  --nb-book-inner-gap: clamp(1.5rem, 3vw, 2.5rem);
}

.nb-book-details,
.nb-benefits,
.nb-amazon-section,
.nb-share-section,
.nb-single-book .nb-page-hero--book .nb-split,
.nb-single-book .nb-section > .nb-container.nb-content,
.nb-single-book .nb-card {
  border-radius: var(--nb-book-card-radius);
  border: var(--nb-card-border-width, 0) solid var(--nb-card-border-color, transparent);
  background: var(--nb-card-background-color, var(--bg-elevated, #fff));
  box-shadow: var(--shadow-soft, 0 8px 30px rgba(0,0,0,.06));
}

.nb-single-book .nb-page-hero--book .nb-split {
  gap: clamp(1.75rem, 5vw, 4rem);
  align-items: center;
  padding: var(--nb-book-card-padding);
}

.nb-book-details,
.nb-benefits,
.nb-amazon-section,
.nb-share-section,
.nb-single-book .nb-section > .nb-container.nb-content,
.nb-single-book .nb-card {
  padding: var(--nb-book-card-padding);
  overflow: visible;
}

.nb-single-book .nb-section > .nb-container.nb-content {
  max-width: min(calc(100% - 2rem), 980px);
}

.nb-single-book .nb-content h2:first-child,
.nb-single-book .nb-card h2:first-child,
.nb-single-book .nb-card h3:first-child {
  margin-top: 0;
}

.nb-single-book .nb-content > *:last-child,
.nb-single-book .nb-card > *:last-child,
.nb-single-book .nb-card__body > *:last-child {
  margin-bottom: 0;
}

.nb-book-hero__content,
.nb-book-section__content,
.nb-card__content,
.nb-single-book .nb-page-hero--book .nb-split > div:first-child {
  max-width: 680px;
  padding: 0;
}

.nb-book-hero__media,
.nb-book-cover,
.nb-book-mockup,
.nb-preview-card__media,
.nb-card__media,
.nb-single-book__cover,
.nb-single-book .nb-preview-gallery__link {
  overflow: hidden;
  border-radius: var(--nb-book-media-radius);
  background: #f7f3ee;
}

.nb-book-hero__media img,
.nb-book-cover img,
.nb-book-mockup img,
.nb-preview-card__media img,
.nb-card__media img,
.nb-single-book__cover img,
.nb-single-book .nb-preview-gallery__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: inherit;
}

.nb-single-book__cover {
  justify-self: center;
  padding: clamp(.75rem, 2vw, 1.25rem);
  box-shadow: inset 0 0 0 1px rgba(35,35,35,.04);
}

.nb-single-book__cover img,
.nb-single-book .nb-cover-placeholder--hero {
  max-height: 520px;
  object-fit: contain;
  box-shadow: var(--shadow-hover);
}


.nb-single-book .nb-preview-gallery__grid,
.nb-single-book .nb-grid {
  gap: var(--nb-book-inner-gap);
}

.nb-single-book .nb-preview-gallery__item {
  padding: clamp(1.25rem, 2.5vw, 2rem);
  overflow: visible;
  border-radius: var(--nb-book-card-radius);
  border: var(--nb-card-border-width, 0) solid var(--nb-card-border-color, transparent);
  background: var(--nb-card-background-color, var(--bg-elevated, #fff));
}

.nb-single-book .nb-preview-gallery__link {
  display: block;
  padding: clamp(.75rem, 2vw, 1rem);
}

.nb-single-book .nb-preview-gallery__image {
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #fff;
}

.nb-benefits ul,
.nb-book-benefits,
.nb-single-book .nb-section--tinted .nb-content ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nb-single-book .nb-section--tinted .nb-content li {
  padding: .9rem 1rem;
  border-radius: 16px;
  background: rgba(247,243,238,.72);
}

.nb-single-book .nb-sample-cta__inner,
.nb-single-book .nb-amazon-cta__inner {
  gap: var(--nb-book-inner-gap);
}

.nb-single-book .nb-share {
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0;
}

.nb-single-book .nb-share a {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.75rem;
  border-radius: 999px;
}

.nb-button,
.nb-amazon-button {
  min-height: 52px;
  padding-inline: 1.75rem;
  border-radius: 999px;
}

@media (max-width: 767px) {
  .nb-single-book {
    --nb-book-card-padding: var(--nb-book-card-padding-mobile);
    --nb-book-card-radius: 20px;
    --nb-book-media-radius: 18px;
    --nb-book-inner-gap: 1.5rem;
  }

  .nb-single-book .nb-page-hero--book .nb-split,
  .nb-single-book .nb-section > .nb-container.nb-content,
  .nb-single-book .nb-card,
  .nb-single-book .nb-preview-gallery__item {
    padding: var(--nb-book-card-padding);
  }
}

@media (max-width: 767px) {
  .nb-single-book .nb-section {
    padding: 3rem 0;
  }

  .nb-single-book .nb-section--tinted {
    padding: 3.25rem 0;
  }

  .nb-single-book .nb-container {
    width: min(100% - 2rem, var(--container));
  }

  .nb-single-book .nb-amazon-cta__inner,
  .nb-single-book .nb-sample-cta__inner {
    padding: 2rem 1.5rem 1.5rem;
    border-radius: 28px;
    gap: 1.25rem;
    overflow: hidden;
  }

  .nb-single-book .nb-amazon-cta__inner .nb-kicker,
  .nb-single-book .nb-sample-cta__inner .nb-kicker {
    display: block;
    margin: 0 0 .85rem;
    font-size: .72rem;
    line-height: 1.2;
    letter-spacing: .16em;
  }

  .nb-single-book .nb-amazon-cta__inner h2,
  .nb-single-book .nb-sample-cta__inner h2 {
    font-size: clamp(2rem, 9vw, 2.75rem);
    line-height: .98;
    letter-spacing: -.045em;
    margin-bottom: 1.4rem;
  }

  .nb-single-book .nb-amazon-cta__inner .nb-button,
  .nb-single-book .nb-sample-cta__inner .nb-button {
    width: fit-content;
    max-width: 100%;
    min-height: 54px;
    padding: 0 1.65rem;
  }

  .nb-single-book .nb-section:last-of-type {
    padding-top: 2rem;
  }

  .nb-single-book .nb-share {
    gap: .75rem;
  }

  .nb-single-book .nb-share a {
    min-height: 48px;
    padding: 0 1.35rem;
    font-size: .95rem;
  }

  .nb-single-book .nb-section--tinted .nb-content {
    padding: 2rem 1.5rem;
    border-radius: 28px;
  }

  .nb-single-book .nb-section--tinted .nb-content h2 {
    font-size: clamp(2.25rem, 10vw, 3rem);
    margin-bottom: 1.35rem;
  }

  .nb-single-book .nb-section--tinted .nb-content p {
    font-size: 1.05rem;
    line-height: 1.65;
  }
}


.single-collections .nb-collection-hero,
.nb-collection-hero.nb-page-hero {
  border-radius: 0;
  box-shadow: none;
  border: 0;
  overflow: visible;
  background: var(--nb-hero-bg, #F7F3EE);
  color: var(--nb-hero-text, #232323);
}

.single-collections .nb-collection-hero .nb-split,
.nb-collection-hero.nb-page-hero .nb-split {
  padding: var(--nb-book-card-padding, clamp(2rem, 4vw, 3rem));
  border-radius: var(--nb-book-card-radius, 24px);
  border: var(--nb-card-border-width, 1px) solid var(--nb-card-border-color, #E3D8C9);
  background: var(--nb-hero-surface-bg, var(--nb-card-background-color, #FFFFFF));
  box-shadow: var(--shadow-soft, 0 8px 30px rgba(0,0,0,.06));
  gap: clamp(1.75rem, 5vw, 4rem);
  align-items: center;
}

.single-collections .nb-collection-hero h1,
.nb-collection-hero.nb-page-hero h1 {
  color: var(--nb-hero-heading, #17324A);
  font-size: clamp(2.35rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 12ch;
}

.single-collections .nb-collection-hero .nb-lead,
.nb-collection-hero.nb-page-hero .nb-lead { color: var(--nb-hero-muted, #5F5B57); }

.single-collections .nb-collection-hero .nb-kicker,
.nb-collection-hero.nb-page-hero .nb-kicker { color: var(--nb-hero-accent, #C79B52); }

.single-collections .nb-collection-hero .nb-collection-hero__image,
.nb-collection-hero.nb-page-hero .nb-collection-hero__image {
  width: min(100%, 520px);
  max-height: 560px;
  object-fit: contain;
  border-radius: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--nb-hero-surface-border, rgba(23, 50, 74, 0.08));
  box-shadow: 0 18px 50px rgba(23, 50, 74, 0.14);
}

.nb-book-card:hover .nb-book-card__cover img,
.nb-collection-card:hover .nb-collection-card__cover img { transform: scale(1.025); }

@media (min-width: 760px) {
  .single-collections .nb-collection-hero .nb-split,
  .nb-collection-hero.nb-page-hero .nb-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  }
}

@media (max-width: 767px) {
  .single-collections .nb-collection-hero .nb-split,
  .nb-collection-hero.nb-page-hero .nb-split {
    padding: var(--nb-book-card-padding-mobile, 1.375rem);
    border-radius: 20px;
  }

  .single-collections .nb-collection-hero h1,
  .nb-collection-hero.nb-page-hero h1 {
    font-size: clamp(2.1rem, 11vw, 3.15rem);
  }
}

/* Neurobuilders editorial color tokens and localized UI refinements */
:root {
  --nb-bg-main: #F7F3EE;
  --nb-bg-soft: #F7F3EE;
  --nb-bg-card: #FFFFFF;
  --nb-bg-section-warm: #EFE7DC;
  --nb-bg-section-light: #FFFDF8;
  --nb-text: #232323;
  --nb-muted: #5F5B57;
  --nb-navy: #17324A;
  --nb-teal: #2E6D73;
  --nb-gold: #C79B52;
  --nb-sand: #EFE7DC;
}

body { background: var(--nb-bg-main); color: var(--nb-text); }
.nb-hero { background: var(--nb-bg-main); }
.nb-home-featured-collections { --nb-home-section-background-color: var(--nb-home-collections-bg, #F7F3EE); }
.nb-home-featured-books { --nb-home-section-background-color: var(--nb-home-books-bg, #FFFFFF); }
.nb-home-samples { --nb-home-section-background-color: var(--nb-home-samples-bg, #EFE7DC); }
.nb-home-instagram { --nb-home-section-background-color: var(--nb-home-about-bg, #F7F3EE); }
.nb-footer { background: var(--nb-navy); }

.nb-instagram__inner { background: var(--nb-bg-card); }
.nb-instagram-cta__kicker { color: var(--nb-teal); }
.nb-instagram-cta__button {
  background: var(--nb-navy);
  color: #fff;
  border-color: var(--nb-navy);
}
.nb-instagram-cta__button:hover,
.nb-instagram-cta__button:focus-visible {
  background: var(--nb-teal);
  color: #fff;
  border-color: var(--nb-teal);
}

.nb-section__description {
  max-width: 720px;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  line-height: 1.65;
  color: var(--nb-section-text-color, #5F5B57);
}

.nb-instagram__inner .nb-section__description {
  margin-inline: auto;
}

.nb-section__helper {
  max-width: 680px;
  color: var(--nb-section-text-color, #5F5B57);
}

.nb-hero-carousel .nb-hero__copy h1,
.nb-hero-slide .nb-hero__copy h1 {
  font-size: clamp(2.12rem, 8.8vw, 4.72rem);
  line-height: 1.04;
  max-width: 11.5ch;
}

@media (min-width: 980px) {
  .nb-hero__slide {
    grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
  }

  .nb-hero__copy {
    max-width: 600px;
  }

  .nb-hero__art {
    min-height: 460px;
    justify-self: center;
    width: 100%;
    transform: none;
  }

  .nb-hero__image {
    width: min(100%, 560px);
    max-height: 560px;
    object-fit: contain;
  }
}

@media (max-width: 767px) {
  .nb-hero__slide {
    min-height: auto;
    padding: 2rem 1.25rem 3.5rem;
    gap: 1.75rem;
  }

  .nb-hero__copy h1 {
    max-width: 13ch;
  }

  .nb-hero__art {
    min-height: 280px;
  }

  .nb-hero__image {
    max-height: 320px;
  }

  .nb-hero-carousel .nb-hero__image {
    border-radius: 22px;
    box-shadow: 0 12px 34px rgba(23, 50, 74, 0.12);
  }
}

.single-books .nb-book-hero h1,
.post-type-archive-books .nb-page-hero h1,
.single-collections .nb-collection-hero h1,
.post-type-archive-collections .nb-page-hero h1,
.nb-book-hero h1,
.nb-collection-hero h1 {
  font-size: clamp(2.35rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 12ch;
}

.nb-book-hero img,
.nb-collection-hero img {
  width: min(100%, 520px);
  max-height: 560px;
  object-fit: contain;
}

@media (min-width: 760px) {
  .nb-book-hero .nb-split,
  .nb-collection-hero .nb-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4.5rem);
  }
}

.nb-book-details__list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
}
.nb-book-details__item {
  flex: 1 1 180px;
  padding: 1rem;
  border-radius: 18px;
  background: var(--nb-bg-section-light);
}
.nb-book-details__item dt {
  color: var(--nb-muted);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nb-book-details__item dd {
  margin: .25rem 0 0;
  color: var(--nb-text);
  font-weight: 800;
}

.nb-sample-preview__art { display: grid; place-items: center; }
.nb-sample-preview__image { background: var(--nb-bg-card); }

@media (min-width: 760px) {
  .nb-single-book .nb-page-hero--book .nb-split,
  .single-collections .nb-page-hero .nb-split {
    grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr);
  }

  .nb-single-book__cover,
  .single-collections .nb-page-hero .nb-split > div:last-child {
    width: clamp(460px, 42vw, 620px);
  }

  .nb-single-book__cover img,
  .nb-single-book .nb-cover-placeholder--hero,
  .nb-rounded-image.nb-collection-hero__image {
    width: 100%;
    max-height: 620px;
  }
}

/* Tagged book content sections */
.nb-book-section {
  padding-block: clamp(4rem, 7vw, 7rem);
  background: var(--nb-book-section-bg, var(--nb-bg-primary, #F7F3EE));
  color: var(--nb-book-section-text, var(--nb-text-primary, #232323));
  border-radius: 0;
  border: 0;
  box-shadow: none;
  overflow: visible;
}

.nb-book-section--benefits {
  --nb-book-section-bg: var(--nb-section-ben-bg, #17324A);
  --nb-book-section-text: var(--nb-section-ben-text, #FFFDF8);
  --nb-book-section-title: var(--nb-section-ben-heading, #FFFDF8);
}

.nb-book-section--how-it-works {
  --nb-book-section-bg: var(--nb-section-hiw-bg, #F7F3EE);
  --nb-book-section-text: var(--nb-section-hiw-text, #232323);
  --nb-book-section-title: var(--nb-section-hiw-heading, #17324A);
}

.nb-book-section--whats-inside {
  --nb-book-section-bg: var(--nb-section-wti-bg, #FFFFFF);
  --nb-book-section-text: var(--nb-section-wti-text, #232323);
  --nb-book-section-title: var(--nb-section-wti-heading, #17324A);
}

.nb-book-section--who {
  --nb-book-section-bg: var(--nb-section-who-bg, #F7F3EE);
  --nb-book-section-text: var(--nb-section-who-text, #232323);
  --nb-book-section-title: var(--nb-section-who-heading, #17324A);
}

.nb-book-about {
  padding-block: clamp(4rem, 7vw, 7rem);
}

.nb-book-about .nb-container,
.nb-book-section > .nb-container {
  width: min(100% - 2rem, 1180px);
  margin-inline: auto;
}

.nb-book-about__content {
  max-width: 820px;
  margin-inline: auto;
  text-align: left;
  color: var(--nb-text-primary, var(--text-primary, #232323));
  font-size: clamp(1.02rem, 1.2vw, 1.12rem);
  line-height: 1.75;
}

.nb-book-about__content > :first-child {
  margin-top: 0;
}

.nb-book-about__content > h2:first-child {
  max-width: 760px;
  margin: 0 0 clamp(1.25rem, 2vw, 2rem);
  font-family: var(--nb-font-heading, var(--font-heading, "Fraunces", Georgia, serif));
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--nb-text-primary, var(--text-primary, #232323));
}

.nb-book-about__content p {
  max-width: 760px;
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  line-height: 1.75;
}

.nb-book-about__content p + p {
  margin-top: 1.2rem;
}

.nb-book-section .nb-section__header {
  max-width: 820px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.nb-book-section .nb-section__header h2,
.nb-book-section h2 {
  margin: 0;
  font-family: var(--nb-font-heading, var(--font-heading, "Fraunces", Georgia, serif));
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--nb-book-section-title, currentColor);
}

.nb-book-section .nb-section__header p {
  color: var(--nb-text-secondary, var(--text-secondary, #5F5B57));
}

.nb-book-section__content {
  max-width: 920px;
  margin-inline: auto;
  color: var(--nb-book-section-text, var(--nb-text-primary, var(--text-primary, #232323)));
  font-size: clamp(1.02rem, 1.2vw, 1.12rem);
  line-height: 1.75;
}

.nb-book-section__content p,
.nb-book-section__content li,
.nb-book-section .nb-editorial-content {
  color: inherit;
}

.nb-book-section__content > *:first-child,
.nb-book-section-card__content > *:first-child {
  margin-top: 0;
}

.nb-book-section__content > *:last-child,
.nb-book-section-card__content > *:last-child {
  margin-bottom: 0;
}

.nb-book-section__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 1180px;
  margin-inline: auto;
}

.nb-book-section-card {
  min-height: 100%;
  color: var(--nb-card-text, var(--nb-text-primary, #232323));
}

.nb-book-section--benefits .nb-book-section__content {
  max-width: 1180px;
}

.nb-book-section--benefits ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.nb-book-section--benefits li {
  position: relative;
  padding: 1.05rem 1.15rem 1.05rem 2.85rem;
  border: 1px solid var(--book-border-soft, rgba(140, 107, 90, 0.16));
  border-radius: var(--nb-radius-lg, 24px);
  background: var(--nb-bg-elevated, rgba(255, 255, 255, 0.58));
  box-shadow: none;
  color: var(--nb-text-primary, #232323);
}

.nb-book-section--benefits li::before {
  content: "✓";
  position: absolute;
  left: 1.1rem;
  top: 1.05rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  background: var(--book-accent-soft, rgba(140, 107, 90, 0.12));
  color: var(--book-accent, var(--seniors-primary, #8C6B5A));
  font-size: 0.78rem;
  line-height: 1.15rem;
  text-align: center;
  font-weight: 700;
}

.nb-book-section--how-it-works .nb-book-section__cards {
  display: grid;
  gap: 1.25rem;
}

.nb-book-section--how-it-works .nb-book-section-card {
  background: var(--nb-bg-elevated, rgba(255, 255, 255, 0.72));
  border: 1px solid rgba(35, 35, 35, 0.08);
  border-radius: var(--nb-radius-lg, 24px);
  padding: 1.5rem;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.045);
}

.nb-book-section--how-it-works .nb-book-section-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-family: var(--nb-font-heading, "Fraunces", Georgia, serif);
  color: var(--book-accent, var(--seniors-primary, #8C6B5A));
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

.nb-book-section--whats-inside .nb-book-section__content {
  max-width: 1040px;
  margin-inline: auto;
}

.nb-book-section--whats-inside ul {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 1;
}

.nb-book-section--whats-inside li {
  position: relative;
  break-inside: avoid;
  padding: 0.35rem 0 0.35rem 1.65rem;
  margin-bottom: 0.45rem;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.nb-book-section--whats-inside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
  background: var(--seniors-accent, #D7B98E);
}

.nb-book-section--who .nb-book-section__cards {
  display: grid;
  gap: 1rem;
}

.nb-book-section--who .nb-book-section-card {
  background: var(--nb-bg-elevated, rgba(255, 255, 255, 0.66));
  border: 1px solid rgba(140, 107, 90, 0.14);
  border-radius: var(--nb-radius-lg, 24px);
  padding: 1.35rem;
  box-shadow: none;
}

.nb-book-section--who .nb-book-section-card h3 {
  margin-top: 0;
  margin-bottom: 0.55rem;
  font-family: var(--nb-font-heading, "Fraunces", Georgia, serif);
  color: var(--book-accent, var(--seniors-primary, #8C6B5A));
  font-size: 1.18rem;
}

@media (max-width: 767px) {
  .nb-book-about {
    padding-block: 3.5rem;
  }

  .nb-book-about .nb-container,
  .nb-book-section .nb-container {
    width: min(100% - 1.5rem, 1180px);
  }

  .nb-book-about__content {
    max-width: 100%;
  }

  .nb-book-about__content > h2:first-child {
    font-size: clamp(2.1rem, 12vw, 3rem);
  }
}

.single-books.nb-collection-beloved-seniors,
body.nb-collection-beloved-seniors {
  --book-accent: #8C6B5A;
  --book-accent-soft: rgba(140, 107, 90, 0.12);
  --book-bg-soft: #F7F1E8;
  --book-border-soft: rgba(140, 107, 90, 0.16);
}

.nb-faq {
  background: var(--nb-bg-primary, #F7F3EE);
}

.nb-faq__item,
.nb-faq-item {
  border: 1px solid rgba(35, 35, 35, 0.08);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  overflow: hidden;
}

.nb-faq__item + .nb-faq__item,
.nb-faq-item + .nb-faq-item {
  margin-top: 0.75rem;
}

.nb-faq__button,
.nb-faq-question {
  font-weight: 650;
  color: var(--nb-text-primary, #232323);
}

.nb-faq__panel,
.nb-faq-answer {
  color: var(--nb-text-secondary, #5F5B57);
}

@media (min-width: 760px) {
  .nb-book-section--benefits ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nb-book-section--who .nb-book-section__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .nb-book-section--how-it-works .nb-book-section__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nb-book-section--whats-inside ul {
    columns: 2;
    column-gap: 3rem;
  }
}

@media (min-width: 1120px) {
  .nb-book-section--who .nb-book-section__cards {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

/* Global section color tokens from Appearance → Customize → Neurobuilders Settings → Section Colors. */
.nb-hero,
.nb-book-hero,
.nb-collection-hero,
.nb-hero-carousel {
  background: var(--nb-hero-bg, #F7F3EE);
  color: var(--nb-hero-text, #232323);
}

.nb-single-book .nb-page-hero--book,
.nb-book-hero.nb-page-hero {
  border-radius: 0;
  box-shadow: none;
  border: 0;
  overflow: visible;
  background: var(--nb-hero-bg, #F7F3EE);
}

.nb-hero__viewport {
  background-color: var(--nb-hero-surface-bg, #FFFDF8);
}

.nb-hero__slide,
.nb-hero-slide {
  background-color: transparent;
}

.nb-hero h1,
.nb-book-hero h1,
.nb-collection-hero h1,
.nb-hero-carousel h1,
.nb-hero-slide h1 {
  color: var(--nb-hero-heading, #17324A);
}

.nb-hero p,
.nb-book-hero p,
.nb-collection-hero p,
.nb-hero-carousel p,
.nb-hero-slide p {
  color: var(--nb-hero-muted, #5F5B57);
}

.nb-hero .nb-kicker,
.nb-book-hero .nb-kicker,
.nb-collection-hero .nb-kicker,
.nb-hero-carousel .nb-kicker,
.nb-hero-slide .nb-kicker {
  color: var(--nb-hero-accent, #C79B52);
}

.nb-hero .nb-button--primary,
.nb-hero .nb-button--amazon,
.nb-book-hero .nb-button--primary,
.nb-book-hero .nb-button--amazon,
.nb-collection-hero .nb-button--primary,
.nb-collection-hero .nb-button--amazon,
.nb-hero-carousel .nb-button--primary,
.nb-hero-carousel .nb-button--amazon {
  background-color: var(--nb-hero-button-bg, #17324A);
  border-color: var(--nb-hero-button-border, #17324A);
  color: var(--nb-hero-button-text, #FFFDF8);
}

.nb-editorial-content,
.nb-book-about,
.nb-book-intro,
.nb-book-free-content,
.nb-content-section--free {
  background: var(--nb-free-content-bg, #FFFFFF);
  color: var(--nb-free-content-text, #232323);
}

.nb-editorial-content h2,
.nb-editorial-content h3,
.nb-book-about h2,
.nb-book-about h3,
.nb-book-intro h2,
.nb-book-intro h3,
.nb-book-free-content h2,
.nb-book-free-content h3,
.nb-content-section--free h2,
.nb-content-section--free h3 {
  color: var(--nb-free-content-heading, #17324A);
}

.nb-editorial-content p,
.nb-book-about p,
.nb-book-intro p,
.nb-book-free-content p,
.nb-content-section--free p {
  color: var(--nb-free-content-text, #232323);
}

.nb-editorial-content a,
.nb-book-about a,
.nb-book-intro a,
.nb-book-free-content a,
.nb-content-section--free a {
  color: var(--nb-free-content-link, #17324A);
}

.nb-editorial-content blockquote,
.nb-book-about blockquote,
.nb-book-intro blockquote,
.nb-book-free-content blockquote,
.nb-content-section--free blockquote {
  border-color: var(--nb-free-content-border, #E3D8C9);
}

.nb-book-section--benefits {
  --nb-book-section-bg: var(--nb-section-ben-bg, #17324A);
  --nb-book-section-text: var(--nb-section-ben-text, #FFFDF8);
  --nb-book-section-title: var(--nb-section-ben-heading, #FFFDF8);
  background: var(--nb-section-ben-bg, #17324A);
  color: var(--nb-section-ben-text, #FFFDF8);
}

.nb-book-section--benefits h2,
.nb-book-section--benefits h3 {
  color: var(--nb-section-ben-heading, #FFFDF8);
}

.nb-book-section--benefits a,
.nb-book-section--benefits li::marker,
.nb-book-section--benefits li::before {
  color: var(--nb-section-ben-accent, #D7B98E);
}

.nb-book-section--benefits li {
  background: var(--nb-section-ben-card-bg, #243D56);
  border-color: var(--nb-section-ben-border, #D7B98E);
  color: var(--nb-section-ben-card-text, #FFFDF8);
}

.nb-book-section--how-it-works {
  --nb-book-section-bg: var(--nb-section-hiw-bg, #F7F3EE);
  --nb-book-section-text: var(--nb-section-hiw-text, #232323);
  --nb-book-section-title: var(--nb-section-hiw-heading, #17324A);
  background: var(--nb-section-hiw-bg, #F7F3EE);
  color: var(--nb-section-hiw-text, #232323);
}

.nb-book-section--how-it-works h2,
.nb-book-section--how-it-works h3 {
  color: var(--nb-section-hiw-heading, #17324A);
}

.nb-book-section--how-it-works a,
.nb-book-section--how-it-works li::marker {
  color: var(--nb-section-hiw-accent, #C79B52);
}

.nb-book-section--how-it-works .nb-book-section-card {
  background: var(--nb-section-hiw-card-bg, #FFFFFF);
  border: 1px solid var(--nb-section-hiw-border, #E3D8C9);
  color: var(--nb-section-hiw-card-text, #232323);
}

.nb-book-section--whats-inside {
  --nb-book-section-bg: var(--nb-section-wti-bg, #FFFFFF);
  --nb-book-section-text: var(--nb-section-wti-text, #232323);
  --nb-book-section-title: var(--nb-section-wti-heading, #17324A);
  background: var(--nb-section-wti-bg, #FFFFFF);
  color: var(--nb-section-wti-text, #232323);
}

.nb-book-section--whats-inside h2,
.nb-book-section--whats-inside h3 {
  color: var(--nb-section-wti-heading, #17324A);
}

.nb-book-section--whats-inside a,
.nb-book-section--whats-inside li::marker,
.nb-book-section--whats-inside li::before {
  color: var(--nb-section-wti-accent, #C79B52);
}

.nb-book-section--whats-inside .nb-book-section-card {
  background: var(--nb-section-wti-card-bg, #FFFDF8);
  border: 1px solid var(--nb-section-wti-border, #E3D8C9);
  color: var(--nb-section-wti-card-text, #232323);
}

.nb-book-section--whats-inside li::before {
  background: var(--nb-section-wti-accent, #C79B52);
}

.nb-book-section--who {
  --nb-book-section-bg: var(--nb-section-who-bg, #F7F3EE);
  --nb-book-section-text: var(--nb-section-who-text, #232323);
  --nb-book-section-title: var(--nb-section-who-heading, #17324A);
  background: var(--nb-section-who-bg, #F7F3EE);
  color: var(--nb-section-who-text, #232323);
}

.nb-book-section--who h2,
.nb-book-section--who h3 {
  color: var(--nb-section-who-heading, #17324A);
}

.nb-book-section--who a,
.nb-book-section--who li::marker {
  color: var(--nb-section-who-accent, #D7B98E);
}

.nb-book-section--who .nb-book-section-card {
  background: var(--nb-section-who-card-bg, #FFFFFF);
  border: 1px solid var(--nb-section-who-border, #E3D8C9);
  color: var(--nb-section-who-card-text, #232323);
}

.nb-faq,
.nb-faq-accordion {
  background: var(--nb-section-faq-bg, #F7F3EE);
  color: var(--nb-section-faq-text, #232323);
}

.nb-faq h2,
.nb-faq h3,
.nb-faq-accordion h2,
.nb-faq-accordion h3 {
  color: var(--nb-section-faq-heading, #17324A);
}

.nb-faq a,
.nb-faq-accordion a {
  color: var(--nb-section-faq-accent, #C79B52);
}

.nb-faq__item,
.nb-faq-item {
  background: var(--nb-section-faq-item-bg, #FFFFFF);
  border-color: var(--nb-section-faq-border, #E3D8C9);
  color: var(--nb-section-faq-item-text, #232323);
}

.nb-faq__button,
.nb-faq-question,
.nb-faq__panel,
.nb-faq-answer {
  color: var(--nb-section-faq-item-text, #232323);
}

.nb-book-details-section,
.nb-book-details,
.nb-book-details-table {
  background: var(--nb-book-details-bg, #FFFFFF);
  color: var(--nb-book-details-text, #232323);
}

.nb-book-details h2,
.nb-book-details h3,
.nb-book-details-table h2,
.nb-book-details-table h3 {
  color: var(--nb-book-details-heading, #17324A);
}

.nb-book-details dt,
.nb-book-details-table th {
  color: var(--nb-book-details-label, #5F5B57);
}

.nb-book-details,
.nb-book-details-table,
.nb-book-details__item {
  border-color: var(--nb-book-details-border, #E3D8C9);
}

.nb-final-cta,
.nb-amazon-cta,
.nb-book-cta {
  background: var(--nb-final-cta-bg, #17324A);
  color: var(--nb-final-cta-text, #FFFDF8);
}

.nb-final-cta .nb-card,
.nb-amazon-cta .nb-card,
.nb-book-cta .nb-card {
  background: transparent;
  border-color: var(--nb-final-cta-accent, #D7B98E);
  color: var(--nb-final-cta-text, #FFFDF8);
}

.nb-amazon-cta .nb-amazon-cta__inner.nb-card,
.nb-final-cta .nb-amazon-cta__inner.nb-card,
.nb-book-cta .nb-amazon-cta__inner.nb-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}

.nb-final-cta h2,
.nb-amazon-cta h2,
.nb-book-cta h2 {
  color: var(--nb-final-cta-heading, #FFFDF8);
}

.nb-final-cta p,
.nb-amazon-cta p,
.nb-book-cta p {
  color: var(--nb-final-cta-text, #FFFDF8);
}

.nb-final-cta .nb-kicker,
.nb-amazon-cta .nb-kicker,
.nb-book-cta .nb-kicker {
  color: var(--nb-final-cta-accent, #D7B98E);
}

.nb-final-cta .nb-button--primary,
.nb-final-cta .nb-button--amazon,
.nb-amazon-cta .nb-button--primary,
.nb-amazon-cta .nb-button--amazon,
.nb-book-cta .nb-button--primary,
.nb-book-cta .nb-button--amazon {
  background-color: var(--nb-final-cta-button-bg, #FFFDF8);
  border-color: var(--nb-final-cta-button-border, #FFFDF8);
  color: var(--nb-final-cta-button-text, #17324A);
}


/* Final editorial visual-system overrides. */
.nb-single-book__cover,
.nb-single-book .nb-preview-gallery__link {
  background: var(--nb-bg-soft, #F7F3EE);
}

.nb-search,
.nb-search-result,
.nb-page-intro .nb-content,
.nb-empty-state,
.nb-faq__item,
.nb-faq-item {
  background: var(--nb-bg-card, #FFFFFF);
  border-color: var(--nb-card-border-color, #E4D8CA);
}

.single-books .nb-book-hero h1,
.post-type-archive-books .nb-page-hero h1,
.single-collections .nb-collection-hero h1,
.post-type-archive-collections .nb-page-hero h1,
.nb-book-hero h1,
.nb-collection-hero h1 {
  font-size: clamp(2.35rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 12ch;
}

.nb-book-hero img,
.nb-collection-hero img,
.nb-single-book__cover img,
.nb-rounded-image.nb-collection-hero__image {
  width: min(100%, 520px);
  max-height: 560px;
  object-fit: contain;
}

@media (min-width: 760px) {
  .nb-book-hero .nb-split,
  .nb-collection-hero .nb-split,
  .nb-single-book .nb-page-hero--book .nb-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .nb-single-book__cover,
  .single-collections .nb-page-hero .nb-split > div:last-child {
    width: auto;
    max-width: 560px;
    justify-self: center;
  }
}


/* Unified simple/archive page hero system */
.nb-page-hero--archive,
.nb-page-hero--simple {
  background: var(--nb-hero-bg, #F7F3EE);
  color: var(--nb-hero-text, #232323);
  padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-radius: 0;
  box-shadow: none;
  border: 0;
  overflow: visible;
}

.nb-page-hero--archive .nb-container--narrow,
.nb-page-hero--simple .nb-container--narrow {
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}

.nb-page-hero--archive .nb-kicker,
.nb-page-hero--simple .nb-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nb-hero-accent, #C79B52);
}

.nb-page-hero--archive h1,
.nb-page-hero--simple h1 {
  margin: 0;
  max-width: 12ch;
  margin-inline: auto;
  font-size: clamp(2.35rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--nb-hero-heading, #17324A);
}

.nb-page-hero--archive .nb-lead,
.nb-page-hero--simple .nb-lead {
  max-width: 680px;
  margin: clamp(1rem, 2vw, 1.35rem) auto 0;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--nb-hero-muted, #5F5B57);
}

@media (max-width: 767px) {
  .nb-page-hero--archive,
  .nb-page-hero--simple {
    padding: 3.5rem 0 3rem;
  }

  .nb-page-hero--archive .nb-container--narrow,
  .nb-page-hero--simple .nb-container--narrow {
    text-align: center;
  }

  .nb-page-hero--archive h1,
  .nb-page-hero--simple h1 {
    max-width: 13ch;
    font-size: clamp(2.1rem, 11vw, 3.15rem);
  }

  .nb-page-hero--archive .nb-lead,
  .nb-page-hero--simple .nb-lead {
    font-size: 1.02rem;
  }
}