@layer ground, type, composition, pieces, access;

@layer ground {
  *, *::before, *::after { box-sizing: border-box; }
  :root {
    color-scheme: light;
    --paper: #faf9f3;
    --sheet: #ffffff;
    --ink: #293728;
    --muted: #53604d;
    --moss: #5b6f2c;
    --olive: #3e541b;
    --wash: #e7ebd9;
    --rule: #c7ceba;
    --sun: #e4d7ad;
    --reading: 68ch;
  }
  html { scroll-padding-top: 2rem; }
  body { margin: 0; color: var(--ink); background: var(--paper); }
  img { display: block; max-width: 100%; height: auto; }
  button, input { font: inherit; }
  button, summary, a { -webkit-tap-highlight-color: #dce6c6; }
  a { color: var(--olive); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
  a:hover { text-decoration-thickness: 2px; }
  button, a, summary, input { touch-action: manipulation; }
  [hidden] { display: none !important; }
}

@layer type {
  body { font-family: "Optima", "Candara", "Segoe UI", "Trebuchet MS", sans-serif; font-size: 18px; line-height: 1.65; }
  h1, h2, h3, h4, p, figure { margin: 0; }
  h1, h2, h3, h4 { text-wrap: balance; font-weight: 700; }
  h1 { max-width: 18ch; font-size: clamp(2.6rem, 5.1vw, 4.65rem); line-height: 1.08; letter-spacing: -0.035em; }
  h2 { max-width: 24ch; color: var(--olive); font-size: clamp(1.85rem, 3vw, 2.65rem); line-height: 1.18; letter-spacing: -0.018em; }
  h3 { max-width: 35ch; font-size: 1.35rem; line-height: 1.3; }
  h4 { max-width: 40ch; font-size: 1.125rem; line-height: 1.45; color: var(--olive); }
  p { max-width: var(--reading); }
  p + p { margin-top: 1rem; }
  ::selection { background: var(--sun); color: var(--ink); }
}

@layer composition {
  [data-role="masthead"] { background: var(--moss); color: var(--sheet); padding: 0 3.5vw; }
  [data-role="masthead-inner"] { max-width: 1280px; margin: auto; min-height: 80px; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
  [data-role="masthead-name"] { font-size: 1.3rem; font-weight: 700; }
  [data-role="masthead-note"] { font-size: 1rem; }
  [data-role="page"] { width: min(1240px, calc(100% - 88px)); margin-inline: auto; }
  [data-role="breadcrumb"] { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem; min-height: 76px; font-size: 1rem; }
  [data-role="breadcrumb"] a { display: inline-flex; align-items: center; min-height: 44px; padding-inline: 2px; }
  [data-role="hero"] { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.9fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; padding-block: 1.5rem 4.25rem; }
  [data-role="kicker"] { font-size: 1.125rem; font-weight: 700; color: var(--olive); margin-bottom: 1.4rem; }
  [data-role="hero-intro"] { max-width: 52ch; font-size: 1.25rem; line-height: 1.55; margin-top: 1.6rem; }
  [data-role="hero-picture"] { align-self: center; }
  [data-role="hero-picture"] img { aspect-ratio: 1; border-radius: 50%; width: 100%; background: var(--wash); }
  [data-role="hero-picture"] figcaption { margin-top: 1rem; text-align: center; color: var(--muted); font-size: 1rem; }
  [data-role="opening-answer"] { margin-top: 1.75rem; max-width: 53ch; padding-left: 1.15rem; border-left: 5px solid var(--moss); font-weight: 700; line-height: 1.55; }
  [data-role="reading-grid"] { display: grid; grid-template-columns: 215px minmax(0, 1fr); column-gap: clamp(2.5rem, 6vw, 6rem); align-items: start; padding-top: 2rem; border-top: 2px solid var(--ink); }
  [data-role="contents"] { position: sticky; top: 1.5rem; padding-bottom: 2rem; }
  [data-role="contents"] h2 { font-size: 1.125rem; line-height: 1.45; color: var(--ink); margin-bottom: 1rem; }
  [data-role="contents"] a { display: flex; align-items: center; min-height: 48px; padding: 0.5rem 0.65rem 0.5rem 0; color: var(--muted); line-height: 1.3; font-size: 1rem; text-decoration: none; border-bottom: 1px solid var(--rule); }
  [data-role="contents"] a:hover { color: var(--olive); background: var(--wash); }
  [data-role="reading-column"] { min-width: 0; padding-bottom: 4rem; }
  [data-role="chapter"] { padding-block: 0.65rem 3.7rem; scroll-margin-top: 1.5rem; }
  [data-role="chapter"] + [data-role="chapter"] { border-top: 1px solid var(--rule); padding-top: 3rem; }
  [data-role="chapter-heading"] { margin-bottom: 2rem; }
  [data-role="subsection"] { max-width: var(--reading); margin-top: 2rem; }
  [data-role="subsection"] h3, [data-role="subsection"] h4 { margin-bottom: 0.85rem; }
  [data-role="subsection"][data-level="4"] { border-left: 3px solid var(--rule); padding-left: 1.25rem; }
  [data-role="chapter"][data-id="first-check"] { background: var(--wash); padding: 2.7rem clamp(1.5rem, 3vw, 2.5rem); margin-bottom: 3rem; border-top: 0; }
  [data-role="chapter"][data-id="first-check"] h2 { max-width: 25ch; }
  [data-role="chapter"][data-id="payment-questions"] { background: var(--moss); color: var(--sheet); padding: 2.7rem clamp(1.5rem, 3vw, 2.5rem); margin-block: 0 3rem; border-top: 0; }
  [data-role="chapter"][data-id="payment-questions"] h2, [data-role="chapter"][data-id="payment-questions"] h3 { color: var(--sheet); }
  [data-role="picture-break"] { position: relative; margin: 0 0 3.5rem; background: #ede8d5; overflow: hidden; border-radius: 45% 45% 0 0 / 13% 13% 0 0; }
  [data-role="picture-break"] img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; }
  [data-role="picture-break"] figcaption { padding: 1rem 1.5rem 1.2rem; color: var(--ink); font-weight: 700; font-size: 1.125rem; }
  [data-role="footer"] { border-top: 2px solid var(--ink); padding: 2.25rem 0 3rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 2rem; font-size: 1rem; }
  [data-role="footer"] p { max-width: 65ch; }
  [data-role="footer"] a { min-height: 48px; display: inline-flex; align-items: center; padding: 0.5rem 0.25rem; }
  [data-role="missing-page"] { max-width: 800px; min-height: 60vh; padding-block: 2rem 5rem; }
  [data-role="missing-page"] h1 { font-size: clamp(2.6rem, 5vw, 4rem); max-width: 18ch; margin-bottom: 1.5rem; }
  [data-role="return-link"] { display: inline-flex; align-items: center; min-height: 48px; margin-top: 1.5rem; padding: 0.6rem 1.1rem; background: var(--moss); color: white; }
  @media (min-width: 1250px) {
    [data-role="reading-column"] { padding-right: 60px; }
  }
  @media (max-width: 850px) {
    [data-role="page"] { width: calc(100% - 48px); }
    [data-role="hero"] { gap: 2rem; grid-template-columns: minmax(0, 1fr) 230px; }
    [data-role="reading-grid"] { grid-template-columns: 170px minmax(0, 1fr); gap: 2rem; }
    [data-role="chapter"][data-id="first-check"], [data-role="chapter"][data-id="payment-questions"] { padding-inline: 1.4rem; }
  }
  @media (max-width: 650px) {
    body { font-size: 18px; }
    [data-role="masthead"] { padding-inline: 24px; }
    [data-role="masthead-inner"] { min-height: 72px; }
    [data-role="masthead-name"] { max-width: 16ch; font-size: 1.125rem; line-height: 1.3; }
    [data-role="masthead-note"] { max-width: 10ch; text-align: right; line-height: 1.4; }
    [data-role="breadcrumb"] { min-height: 70px; padding-block: 0.5rem; gap: 0.4rem; }
    [data-role="hero"] { grid-template-columns: 1fr; padding-block: 0.6rem 2.6rem; gap: 1.75rem; }
    h1 { font-size: 2.65rem; max-width: 16ch; line-height: 1.12; }
    [data-role="kicker"] { margin-bottom: 1rem; }
    [data-role="hero-intro"] { font-size: 1.125rem; }
    [data-role="hero-picture"] { display: grid; grid-template-columns: 124px minmax(0, 1fr); align-items: center; gap: 1.1rem; }
    [data-role="hero-picture"] figcaption { margin: 0; text-align: left; font-size: 1rem; }
    [data-role="opening-answer"] { margin-top: 1.35rem; }
    [data-role="reading-grid"] { grid-template-columns: 1fr; gap: 1.8rem; padding-top: 1.6rem; }
    [data-role="contents"] { position: static; padding: 0 0 1.5rem; border-bottom: 2px solid var(--ink); }
    [data-role="contents-links"] { display: grid; grid-template-columns: 1fr 1fr; column-gap: 1.1rem; }
    [data-role="contents"] h2 { margin-bottom: 0.6rem; }
    [data-role="contents"] a { min-height: 54px; font-size: 1rem; }
    h2 { font-size: 1.95rem; }
    h3 { font-size: 1.3rem; }
    [data-role="chapter"] { padding-bottom: 2.5rem; }
    [data-role="chapter"] + [data-role="chapter"] { padding-top: 2.3rem; }
    [data-role="chapter"][data-id="first-check"], [data-role="chapter"][data-id="payment-questions"] { padding: 1.6rem 1.25rem 2rem; margin-bottom: 2.3rem; }
    [data-role="subsection"] { margin-top: 1.6rem; }
    [data-role="chapter-heading"] { margin-bottom: 1.5rem; }
    [data-role="picture-break"] { margin-bottom: 2.4rem; }
    [data-role="picture-break"] img { aspect-ratio: 1.45 / 1; }
    [data-role="picture-break"] figcaption { padding-inline: 1.25rem; }
    [data-role="footer"] { grid-template-columns: 1fr; gap: 1rem; }
    [data-role="reading-column"] { padding-bottom: 1rem; }
  }
}

@layer pieces {
  [data-role="brand-mark"] { display: inline-flex; align-items: center; gap: 0.8rem; }
  [data-role="brand-mark"] svg { flex: 0 0 30px; }
  [data-role="source-drawer"] { margin-top: 2rem; max-width: var(--reading); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
  [data-role="source-drawer"] summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 52px; padding: 0.7rem 0; cursor: pointer; color: var(--olive); font-weight: 700; font-size: 1rem; list-style: none; }
  [data-role="source-drawer"] summary::-webkit-details-marker { display: none; }
  [data-role="source-drawer"] summary::after { content: "+"; font-size: 1.5rem; font-weight: 400; line-height: 1; }
  [data-role="source-drawer"][open] summary::after { content: "−"; }
  [data-role="source-links"] { padding-bottom: 1rem; }
  [data-role="source-links"] a { display: flex; align-items: center; min-height: 48px; font-size: 1rem; line-height: 1.45; padding-block: 0.6rem; }
  [data-role="chapter"][data-id="payment-questions"] [data-role="source-drawer"] { border-color: #b2c28e; }
  [data-role="chapter"][data-id="payment-questions"] [data-role="source-drawer"] summary,
  [data-role="chapter"][data-id="payment-questions"] a { color: var(--sheet); }
  [data-role="glossary"] { scroll-margin-top: 1.5rem; border-top: 2px solid var(--ink); padding-top: 3rem; }
  [data-role="glossary"] h2 { margin-bottom: 1.25rem; }
  [data-role="glossary-tools"] { margin-top: 1.5rem; padding: 1.25rem; background: var(--wash); }
  [data-role="glossary-tools"] label { display: block; font-size: 1rem; font-weight: 700; margin-bottom: 0.6rem; }
  [data-role="search-row"] { display: flex; align-items: stretch; gap: 0.6rem; }
  [data-role="search-row"] input { width: 100%; min-width: 0; min-height: 50px; border: 1px solid var(--moss); padding: 0.5rem 0.75rem; border-radius: 0; background: var(--sheet); color: var(--ink); font-size: 1rem; }
  [data-role="search-row"] input::-webkit-search-cancel-button { -webkit-appearance: none; }
  [data-role="search-row"] button { min-height: 50px; min-width: 72px; padding: 0.5rem 0.8rem; border: 1px solid var(--moss); border-radius: 0; background: var(--moss); color: var(--sheet); cursor: pointer; font-size: 1rem; }
  [data-role="filter-status"] { min-height: 1.65em; margin-top: 0.6rem; font-size: 1rem; }
  [data-role="term"] { max-width: var(--reading); padding-block: 1.6rem; border-bottom: 1px solid var(--rule); }
  [data-role="term-group"] { margin-top: 2rem; }
  [data-role="term-group"] > h3 { color: var(--ink); font-size: 1.125rem; }
  [data-role="term"] h4 { color: var(--olive); font-size: 1.25rem; margin-bottom: 0.5rem; }
  [data-role="no-match"] { padding: 1.6rem 0; }
}

@layer access {
  :focus-visible { outline: 3px solid #2f5b6a; outline-offset: 4px; }
  [data-role="chapter"][data-id="payment-questions"] :focus-visible,
  [data-role="masthead"] :focus-visible { outline-color: #ffffff; }
  [data-role="skip"] { position: absolute; left: 1rem; top: 0; z-index: 10; min-height: 48px; padding: 0.6rem 1rem; background: var(--sheet); transform: translateY(-125%); }
  [data-role="skip"]:focus { transform: translateY(0); }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  }
  @media print {
    body { color: #000; background: #fff; font-size: 12pt; }
    [data-role="masthead"], [data-role="contents"], [data-role="glossary-tools"], [data-role="hero-picture"], [data-role="picture-break"], [data-role="skip"] { display: none; }
    [data-role="page"] { width: 100%; }
    [data-role="hero"], [data-role="reading-grid"] { display: block; }
    [data-role="reading-column"] { padding-right: 0; }
    [data-role="chapter"][data-id="payment-questions"] { background: #fff; color: #000; border: 1px solid #555; }
    [data-role="chapter"][data-id="payment-questions"] h2, [data-role="chapter"][data-id="payment-questions"] h3,
    [data-role="chapter"][data-id="payment-questions"] a, [data-role="chapter"][data-id="payment-questions"] summary { color: #000; }
    [data-role="source-drawer"] [data-role="source-links"] { display: block; }
    [data-role="term"][hidden] { display: block !important; }
    h2, h3, h4 { break-after: avoid; }
  }
}