*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#1A1A2E;--parchment:#F7F3EC;--gold:#C9A84C;--gold-light:#E8D9A8;--walnut:#4A3728;--linen:#EDE8DE;--text-main:#1A1A2E;--text-muted:#6B5C48}
body{font-family:'Source Serif 4',Georgia,serif;background:var(--parchment);color:var(--text-main);font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
nav{background:var(--navy);padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:100px;position:sticky;top:0;z-index:100}
.nav-logo{font-family:'Playfair Display',serif;font-size:18px;color:var(--gold);letter-spacing:0.04em}
.nav-logo img { 
    width: 280px;
    padding-top: 10px;
}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{font-family:'Inter',sans-serif;font-size:13px;font-weight:500;color:#C8BFA8;letter-spacing:0.06em;text-transform:uppercase;transition:color 0.2s}
.nav-links a:hover{color:var(--gold)}
.nav-cta{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;background:var(--gold);color:var(--navy);padding:8px 18px;letter-spacing:0.06em;text-transform:uppercase}
.breadcrumb{background:var(--linen);padding:14px 5%;border-bottom:0.5px solid rgba(74,55,40,0.1)}
.breadcrumb-inner{max-width:1100px;margin:0 auto;font-family:'Inter',sans-serif;font-size:12px;letter-spacing:0.04em;color:var(--text-muted);display:flex;gap:8px;align-items:center}
.breadcrumb-inner a{color:var(--text-muted);transition:color 0.2s}
.breadcrumb-inner a:hover{color:var(--walnut)}
.breadcrumb-sep{color:var(--gold-light)}
.breadcrumb-current{color:var(--walnut)}
.product-hero{background:var(--parchment);padding:72px 5%}
.product-hero-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:280px 1fr;gap:72px;align-items:start}
.book-cover-img{width:100%;aspect-ratio:2/3;background:var(--navy);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:8px 8px 0 rgba(74,55,40,0.12)}
.book-cover-img img{width:100%;height:100%;object-fit:cover;display:block}
.book-cover-spine{position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--gold)}
.product-genre-tag{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.product-title{font-family:'Playfair Display',serif;font-size:clamp(32px,4vw,48px);font-weight:400;line-height:1.1;margin-bottom:10px}
.product-subtitle{font-size:17px;font-weight:300;font-style:italic;color:var(--text-muted);margin-bottom:28px;line-height:1.5}
.product-desc{font-size:16px;line-height:1.8;color:var(--text-muted);margin-bottom:32px;max-width:520px}
.product-price{font-family:'Playfair Display',serif;font-size:28px;font-weight:400;color:var(--walnut);margin-bottom:24px}
.product-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:36px}
.btn-primary{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;background:var(--gold);color:var(--navy);padding:14px 28px;display:inline-block;transition:background 0.2s}
.btn-primary:hover{background:var(--gold-light)}
.btn-secondary{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--walnut);border:0.5px solid rgba(74,55,40,0.3);padding:13px 24px;display:inline-block;transition:border-color 0.2s}
.btn-secondary:hover{border-color:var(--walnut)}
.btn-download{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted);border:0.5px solid rgba(74,55,40,0.2);padding:13px 24px;display:inline-block;transition:border-color 0.2s,color 0.2s}
.btn-download:hover{border-color:rgba(74,55,40,0.5);color:var(--walnut)}
.product-meta{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:0.5px solid rgba(74,55,40,0.15);border-left:0.5px solid rgba(74,55,40,0.15)}
.meta-item{padding:14px 18px;border-right:0.5px solid rgba(74,55,40,0.15);border-bottom:0.5px solid rgba(74,55,40,0.15)}
.meta-label{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}
.meta-value{font-size:14px;color:var(--text-main)}
.meta-status{color:#3B6D11;font-weight:500}
.overview{padding:80px 5%;background:var(--linen)}
.overview-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.overview-eyebrow{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.overview-headline{font-family:'Playfair Display',serif;font-size:clamp(24px,3vw,34px);font-weight:400;line-height:1.2;margin-bottom:20px}
.overview-headline em{font-style:italic;color:var(--walnut)}
.overview-body{font-size:15px;color:var(--text-muted);line-height:1.8}
.themes-label{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:20px}
.theme-item{padding:20px 0;border-bottom:0.5px solid rgba(74,55,40,0.15)}
.theme-item:first-of-type{border-top:0.5px solid rgba(74,55,40,0.15)}
.theme-name{font-family:'Playfair Display',serif;font-size:17px;font-weight:400;margin-bottom:6px}
.theme-desc{font-size:14px;color:var(--text-muted);line-height:1.6}
.assessment-bar{background:var(--navy);padding:56px 5%}
.assessment-bar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:40px}
.assessment-text-eyebrow{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.assessment-text-headline{font-family:'Playfair Display',serif;font-size:clamp(20px,2.5vw,26px);color:var(--parchment);line-height:1.3;margin-bottom:8px}
.assessment-text-sub{font-size:14px;font-weight:300;color:#A89E8E;line-height:1.6;max-width:480px}
.btn-assessment{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;background:transparent;color:var(--gold-light);border:0.5px solid rgba(201,168,76,0.4);padding:13px 24px;white-space:nowrap;transition:border-color 0.2s,color 0.2s;display:inline-block}
.btn-assessment:hover{border-color:var(--gold);color:var(--gold)}
.anchor-verse{background:var(--navy);padding:56px 5%}
.anchor-verse-inner{max-width:640px;margin:0 auto;text-align:center}
.verse-text{font-family:'Playfair Display',serif;font-size:clamp(20px,2.5vw,26px);font-style:italic;color:var(--parchment);line-height:1.6;margin-bottom:16px}
.verse-ref{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold)}
.author-strip{background:var(--walnut);padding:56px 5%}
.author-strip-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:36px}
.author-strip-initials{display:flex;gap:-8px}
.author-strip-eyebrow{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-light);margin-bottom:4px}
.author-strip-name{font-family:'Playfair Display',serif;font-size:20px;color:var(--parchment);margin-bottom:4px}
.author-strip-bio{font-size:14px;font-weight:300;color:rgba(247,243,236,0.6);line-height:1.6;max-width:540px}
.author-strip-link{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--gold-light);border-bottom:1px solid rgba(201,168,76,0.4);padding-bottom:2px;margin-top:12px;display:inline-block}
.author-avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-size:16px;color:var(--gold);flex-shrink:0}
.author-avatar-a{background:var(--navy)}
.author-avatar-b{background:#2E1F14;margin-left:-12px;border:0px solid var(--walnut)}
.more-titles{padding:80px 5%;background:var(--parchment)}
.more-titles-inner{max-width:1100px;margin:0 auto}
.more-eyebrow{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.more-headline{font-family:'Playfair Display',serif;font-size:clamp(24px,2.5vw,32px);font-weight:400;margin-bottom:40px}
.more-headline em{font-style:italic;color:var(--walnut)}
.more-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.more-card{background:var(--linen);padding:28px 24px;border-bottom:3px solid var(--gold)}
.more-card-genre{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.more-card-title{font-family:'Playfair Display',serif;font-size:20px;font-weight:400;margin-bottom:8px}
.more-card-desc{font-size:13px;color:var(--text-muted);line-height:1.65;margin-bottom:20px}
.more-card-link{font-family:'Inter',sans-serif;font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--walnut);border-bottom:1px solid var(--walnut);padding-bottom:2px;display:inline-block}
footer{background:var(--navy);padding:48px 5% 32px}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:0.5px solid rgba(201,168,76,0.12)}
.footer-brand{font-family:'Playfair Display',serif;font-size:18px;color:var(--gold);margin-bottom:10px}
.footer-tagline{font-size:13px;font-weight:300;color:#ccc8d3;line-height:1.6;max-width:260px}
.footer-col-label{font-family:'Inter',sans-serif;font-size:10px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:#6B6478;margin-bottom:14px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:16px;color:#8A7F8F;transition:color 0.2s}
.footer-links a:hover{color:var(--gold)}
.footer-copy{font-family:'Inter',sans-serif;font-size:11px;color:#a29dac;margin-top:28px;text-align:center;letter-spacing:0.03em}

/* =============================================================
   KERYGON RESPONSIVE BREAKPOINTS
   Append these rules to the <style> block of each page.
   Applies to: index (homepage), all three product pages.
   ============================================================= */
 
 
/* -------------------------------------------------------------
   1024px — Tablet landscape
   Tighten gaps and padding. Columns hold but breathe less.
   ------------------------------------------------------------- */
 
@media (max-width: 1024px) {
 
  /* NAV */
  .nav-links { gap: 20px; }
  .nav-logo img { width: 225px; }
 
  /* HOMEPAGE: About */
  .about {
    gap: 48px;
    padding: 72px 5%;
  }
 
  /* HOMEPAGE: Books grid */
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
 
  /* HOMEPAGE: Author cards */
  .author-grid {
    gap: 16px;
  }
  .author-card {
    padding: 36px 28px;
  }
 
  /* HOMEPAGE: Testimonials */
  .testimonials-grid {
    gap: 16px;
  }
 
  /* HOMEPAGE: Contact */
  .contact-inner {
    gap: 40px;
  }
 
  /* PRODUCT: Hero */
  .product-hero-inner {
    grid-template-columns: 220px 1fr;
    gap: 48px;
  }
 
  /* PRODUCT: Overview */
  .overview-inner {
    gap: 48px;
  }
 
  /* PRODUCT: More titles */
  .more-grid {
    gap: 16px;
  }
 
  /* PRODUCT: Assessment bar */
  .assessment-bar-inner {
    gap: 28px;
  }
 
  /* FOOTER */
  .footer-inner {
    gap: 28px;
  }
  .footer-inner img {width: 225px;}
}
 
 
/* -------------------------------------------------------------
   768px — Tablet portrait
   Collapse all two- and three-column grids to a single column.
   ------------------------------------------------------------- */
 
@media (max-width: 768px) {
 
  /* NAV — hide links, keep logo and CTA */
  .nav-links { display: none; }
  nav { padding: 0 6%; }
  .nav-logo img { width: 195px; }
 
  /* HERO */
  .hero { padding: 72px 6% 64px; min-height: auto; }
  .hero-body { max-width: 100%; }
  .hero-watermark { font-size: clamp(260px, 60vw, 420px); opacity: 0.9; }
 
  /* BOOKS STRIP */
  .books-strip { padding: 24px 6%; gap: 14px; }
 
  /* HOMEPAGE: About — stack */
  .about {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 6%;
  }
 
  /* HOMEPAGE: Books grid — two columns */
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 0 6%;
  }
  .books { padding: 64px 0; }
  .section-header { padding: 0 6%; }
 
  /* HOMEPAGE: Author cards — stack */
  .author-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .author { padding: 64px 6%; }
 
  /* HOMEPAGE: Testimonials — single column */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .testimonials { padding: 64px 6%; }
 
  /* HOMEPAGE: Contact — stack */
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact { padding: 64px 6%; }
 
  /* HOMEPAGE: Form row — stack */
  .form-row {
    grid-template-columns: 1fr;
  }
 
  /* FOOTER — stack */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  footer { padding: 48px 6% 28px; }
  .footer-inner img {width: 195px;}
 
  /* PRODUCT: Hero — stack cover above content */
  .product-hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .product-hero { padding: 48px 6%; }
  .book-cover-img {
    max-width: 240px;
    margin: 0 auto;
  }
 
  /* PRODUCT: Meta grid — stay two columns */
  .product-meta {
    grid-template-columns: 1fr 1fr;
  }
 
  /* PRODUCT: Overview — stack */
  .overview-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .overview { padding: 64px 6%; }
 
  /* PRODUCT: Assessment bar — stack */
  .assessment-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .assessment-bar { padding: 40px 6%; }
 
  /* PRODUCT: Author strip — stack */
  .author-strip-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .author-strip { padding: 48px 6%; }
 
  /* PRODUCT: More titles — stack */
  .more-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .more-titles { padding: 64px 6%; }
  .more-titles-inner { padding: 0; }
}
 
 
/* -------------------------------------------------------------
   480px — Mobile
   Full single-column. Nav CTA hidden. Hero actions stack.
   Buttons full width. Metadata single column.
   ------------------------------------------------------------- */
 
@media (max-width: 480px) {
 
  /* NAV */
  .nav-cta { display: none; }
  nav { height: 56px; }
  .nav-logo img { width: 165px; }
 
  /* HERO */
  .hero { padding: 56px 6% 52px; }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .btn-primary { width: 100%; text-align: center; }
  .hero-watermark { display: none; }
 
  /* BOOKS STRIP */
  .strip-label { display: none; }
  .books-strip { padding: 20px 6%; }
 
  /* HOMEPAGE: Books grid — single column */
  .books-grid { grid-template-columns: 1fr; }
 
  /* HOMEPAGE: Author card padding */
  .author-card { padding: 28px 20px; }
 
  /* PRODUCT: Hero actions — stack and fill */
  .product-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .product-actions .btn-primary,
  .product-actions .btn-secondary,
  .product-actions .btn-download {
    text-align: center;
    width: 100%;
  }
 
  /* PRODUCT: Metadata — single column */
  .product-meta {
    grid-template-columns: 1fr;
  }
 
  /* PRODUCT: Cover — full width on mobile */
  .book-cover-img {
    max-width: 100%;
  }
 
  /* BREADCRUMB — truncate if needed */
  .breadcrumb-inner {
    flex-wrap: wrap;
    row-gap: 4px;
  }
 
  /* SHARED NOTE */
  .shared-note { padding: 20px 0 0; }
 
  /* FOOTER */
  .footer-copy { font-size: 10px; }
  .footer-inner img {width: 165px;}
}