/* AM HORIZONT books 1.1.0. White and ink-blue publishing layout. No cropped cover images. */
@theme {
  --color-primary:#203e66;
  --color-primary-50:#f3f8fc; --color-primary-100:#e8f1f8; --color-primary-500:#416c96; --color-primary-700:#203e66; --color-primary-900:#122640;
  --color-secondary:#92afc9;
  --color-secondary-50:#f6fafe; --color-secondary-100:#eaf3fa; --color-secondary-200:#d5e5f1; --color-secondary-500:#92afc9; --color-secondary-700:#55768f; --color-secondary-900:#2a4053;
  --color-neutral:#203449; --color-background:#ffffff;
  --font-sans:"Aptos","Segoe UI",sans-serif;
  --font-serif:"Trebuchet MS","Aptos","Segoe UI",sans-serif;
  --text-sm:.875rem; --text-base:1rem; --text-lg:1.125rem; --text-xl:1.25rem;
  --text-2xl:1.5rem; --text-3xl:1.875rem; --text-4xl:2.25rem; --text-5xl:3rem;
}
@layer base {
  html{scroll-behavior:smooth;scroll-padding-top:32px;}
  body{margin:0;background:#fff;color:#203449;font-family:var(--font-sans);font-size:17px;line-height:1.7;}
  *,*::before,*::after{box-sizing:border-box;}
  a{color:inherit;text-underline-offset:.24em;}
  a:focus-visible,summary:focus-visible,button:focus-visible,audio:focus-visible{outline:3px solid #3b6fa1;outline-offset:5px;}
  img{max-width:100%;height:auto;}
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
}
@layer components {
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  .ab-comparison-entry p{margin:0;color:#576d7e;font-size:16px;line-height:1.7;}
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  .ab-section{padding:76px 0;border-top:1px solid #dce7ef;}
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  .ab-section-head p{color:#53697c;line-height:1.75;max-width:56ch;margin:0;}
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  .ab-feature p{max-width:55ch;color:#50677b;line-height:1.8;margin:20px 0;}
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  .ab-author-card{padding:0;background:none;border:0;border-radius:0;}
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  .ab-author-photo img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;border-radius:0;}
  .ab-author-photo figcaption{padding-top:14px;font-size:12px;color:#586b7b;background:#fff;}
  .ab-podcast-section{background:#173451;color:#fff;}
  .ab-podcast{padding:44px;background:#173451;color:#fff;border-radius:0;overflow:visible;}
  .ab-podcast-section .ab-podcast{padding:0;}
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  .ab-podcast h2{font-family:var(--font-serif);color:#fff;font-weight:500;line-height:1.25;margin:0 0 22px;font-size:clamp(28px,3vw,40px);}
  .ab-podcast p{color:#dce8f1;line-height:1.8;font-size:17px;max-width:60ch;}
  .ab-podcast .ab-kicker{color:#c0d7e9;font-size:11px;}
  .ab-podcast-cover{margin:0;width:100%;max-width:220px;height:auto;border:0;border-radius:0;overflow:visible;box-shadow:none;}
  .ab-podcast-cover img{display:block;width:100%;height:auto;object-fit:contain;border-radius:0;}
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  .ab-podcast .ab-btn.alt{background:transparent;color:#fff;border-color:#a5bfd2;}
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  .ab-books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;}
  .ab-book{display:flex;flex-direction:column;min-width:0;padding:0;background:none;border:0;border-radius:0;}
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  /* Reading refinement 1.2.0: more space between lines, a light-blue book shelf,
     and fewer columns before descriptions become narrow. Original covers stay whole. */
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  .ab-hero-copy{max-width:880px;margin-bottom:50px;}
  .ab-hero h1{font-size:clamp(34px,4vw,56px);line-height:1.3;letter-spacing:-.02em;max-width:24ch;}
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  .ab-section{padding-block:86px;}
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    .ab-edition-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:42px;}
    .ab-edition-cover{height:320px;}
  }
  @media(max-width:680px){
    .ab-hero{padding-top:40px;}
    .ab-hero-copy{margin-bottom:32px;}
    .ab-hero h1{font-size:clamp(32px,7.5vw,43px);line-height:1.32;}
    .ab-lead{font-size:17px;line-height:1.85;}
    .ab-edition-wall{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
    .ab-edition{display:grid;grid-template-columns:minmax(108px,.65fr) minmax(0,1.35fr);gap:12px 26px;border-bottom:1px solid #dce7ef;padding:0 0 28px;}
    .ab-edition-cover{grid-column:1;grid-row:1 / span 4;height:245px;width:100%;padding:10px 8px 18px;align-items:flex-start;}
    .ab-edition p.ab-edition-meta,.ab-edition :is(h2,h3),.ab-edition>p,.ab-edition .ab-more{grid-column:2;margin:0;}
    .ab-edition h2,.ab-edition h3{font-size:21px;line-height:1.45;}
    .ab-edition>p{font-size:16px;line-height:1.85;}
    .ab-edition .ab-more{padding-top:6px;}
    .ab-comparison-entry{padding:34px 0 48px;}
    .ab-section{padding-block:60px;}
    .ab-feature p,.ab-author-card p,.ab-podcast p,.ab-prose p,.ab-prose li{font-size:17px;line-height:1.85;}
    .ab-book h3{font-size:20px;}
  }
  @media(max-width:400px){
    .ab-edition{display:flex;gap:0;}
    .ab-edition-cover{height:290px;margin-bottom:22px;}
    .ab-edition p.ab-edition-meta{margin-bottom:12px;}
    .ab-edition>p:not(.ab-edition-meta){margin-top:15px;}
    .ab-edition .ab-more{margin-top:16px;align-self:flex-start;}
    .ab-books{grid-template-columns:1fr;}
    .ab-book-visual{height:310px;}
  }
  @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;}}
}

/* ABDF-1.0.0-BEGIN: edition-specific destinations and comfortable reading. */
@layer components {
  .ab-edition-detail{scroll-margin-top:36px;display:grid;grid-template-columns:minmax(100px,.42fr) minmax(0,1fr);gap:32px;padding:38px 0;border-block-start:1px solid #c8d9e7;align-items:start;}
  .ab-edition-detail figure{margin:0;}
  .ab-edition-detail img{display:block;width:auto;height:auto;max-width:100%;max-height:290px;object-fit:contain;}
  .ab-prose .ab-edition-detail h3{margin:0 0 18px;font-size:clamp(22px,2.3vw,29px);line-height:1.45;overflow-wrap:anywhere;}
  .ab-prose .ab-edition-detail p{font-size:17px;line-height:1.85;margin:0 0 16px;}
  .ab-prose{max-width:72ch;}
  .ab-hero h1{line-height:1.24;}
  .ab-edition :is(h2,h3),.ab-book h3{line-height:1.45;}
  .ab-edition p{line-height:1.85;}
  .ab-compare th,.ab-compare td{line-height:1.8;}
  .ab-pagehero .ab-lead{margin-top:26px;}
  @media(max-width:580px){.ab-edition-detail{grid-template-columns:1fr;gap:24px;padding:30px 0;}.ab-edition-detail figure{max-width:145px;}.ab-prose .ab-edition-detail p{font-size:16px;}.ab-prose .ab-edition-detail h3{font-size:25px;}}
}
/* ABDF-1.0.0-END */