/* AirForce — static pages, which-build, FAQ/glossary/downloads, 404 + search. */

.af-page .wrap { padding-top: 40px; }
.af-page .af-main { padding-bottom: var(--rhythm); }
.af-page__head { max-width: 760px; margin-bottom: 40px; }
.af-page__title { margin: 0; }
.af-page-lead { margin: 16px 0 0; }
.af-page__content { max-width: 760px; }
.af-page--wide .af-page__content { max-width: 760px; }
.af-page--media .af-page__head { max-width: 900px; }

/* Prose */
.af-prose h2 { font-family: var(--font-display); font-weight: 800; font-size: var(--t-28); letter-spacing: -0.02em; line-height: 1.15; margin: 48px 0 16px; }
.af-prose h3 { font-size: var(--t-20); font-weight: 600; margin: 32px 0 10px; }
.af-prose h4 { font-size: var(--t-17); font-weight: 600; margin: 24px 0 8px; }
.af-prose p, .af-prose ul, .af-prose ol { margin: 0 0 16px; }
.af-prose ul, .af-prose ol { padding-left: 22px; }
.af-prose li { margin-bottom: 8px; }
.af-prose li::marker { color: var(--brass); }
.af-prose a { color: var(--brass); font-weight: 500; text-decoration: underline; text-decoration-color: rgba(140,111,46,0.4); text-underline-offset: 3px; }
.af-prose a:hover { text-decoration-color: currentColor; }
.af-prose strong { font-weight: 600; }
.af-prose table { width: 100%; border-collapse: collapse; font-size: var(--t-15); margin: 0 0 24px; }
.af-prose th, .af-prose td { text-align: left; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--hairline-light); vertical-align: top; }
.af-prose th { font-family: var(--font-mono); font-weight: 500; font-size: var(--t-13); letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-dark); }
.af-prose code { font-family: var(--font-mono); font-size: 0.9em; background: #fff; padding: 2px 6px; border-radius: 3px; }
.af-prose blockquote { margin: 0 0 16px; padding: 4px 0 4px 20px; border-left: 2px solid var(--champagne); color: var(--steel-dark); }
.af-prose hr { border: 0; border-top: 1px solid var(--hairline-light); margin: 40px 0; }
.ground-dark .af-prose a { color: var(--champagne); }
.ground-dark .af-prose th, .ground-dark .af-prose td { border-color: var(--gunmetal); }

.af-page-software .af-faq__title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.af-prose li:has(> img:only-child) { list-style: none; margin-left: -22px; }
.af-prose img { margin: 8px 0 16px; max-height: 480px; width: auto; }

/* FAQ */
.af-faq { margin: 48px 0; max-width: 760px; }
.af-faq__title { font-family: var(--font-display); font-weight: 800; font-size: var(--t-28); letter-spacing: -0.02em; margin: 0 0 16px; }
.af-faq__item { border-top: 1px solid var(--hairline-light); }
.af-faq__item:last-of-type { border-bottom: 1px solid var(--hairline-light); }
.af-faq__question { list-style: none; cursor: pointer; padding: 18px 40px 18px 0; font-weight: 600; font-size: var(--t-17); position: relative; }
.af-faq__question::-webkit-details-marker { display: none; }
.af-faq__question::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: translateY(-70%) rotate(45deg); transition: transform var(--dur-fast); }
.af-faq__item[open] .af-faq__question::after { transform: translateY(-30%) rotate(225deg); }
.af-faq__answer { padding: 0 0 20px; color: #2A2C31; font-size: var(--t-15); max-width: 680px; }
.af-faq__answer p { margin: 0 0 10px; }

/* Downloads */
.af-downloads { margin: 32px 0; max-width: 760px; }
.af-downloads__title { font-size: var(--t-20); font-weight: 600; margin: 0 0 12px; }
.af-downloads__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hairline-light); }
.af-downloads__item { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 16px 0; border-bottom: 1px solid var(--hairline-light); align-items: baseline; }
.af-downloads__link { font-weight: 600; color: var(--brass); }
.af-downloads__link::before { content: "↓ "; }
.af-downloads__meta { font-family: var(--font-mono); font-size: var(--t-13); color: var(--steel-dark); }
.af-downloads__sha { grid-column: 1 / -1; font-family: var(--font-mono); font-size: 11px; color: var(--steel-dark); overflow-wrap: anywhere; }

/* Glossary */
.af-glossary { margin: 64px 0 0; max-width: 900px; }
.af-glossary__title { font-family: var(--font-display); font-weight: 800; font-size: var(--t-28); letter-spacing: -0.02em; margin: 0 0 20px; }
.af-glossary__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--hairline-light); border: 1px solid var(--hairline-light); margin: 0; }
.af-glossary__entry { background: #fff; padding: 18px 20px; }
.af-glossary__term { font-weight: 600; margin-bottom: 6px; }
.af-glossary__def { margin: 0; font-size: var(--t-15); color: #2A2C31; }
@media (max-width: 720px) { .af-glossary__list { grid-template-columns: 1fr; } }

/* Which build? — comparison table + tier chapters */
.af-tier-comparison { margin: 0 0 24px; }
.af-tier-comparison__title { font-family: var(--font-display); font-weight: 800; font-size: var(--t-28); letter-spacing: -0.02em; margin: 0 0 12px; }
.af-tier-comparison__intro { max-width: 760px; font-size: var(--t-17); color: #2A2C31; margin: 0 0 24px; }
.af-tier-comparison__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--hairline-light); background: #fff; }
.af-tier-comparison__table { width: 100%; min-width: 960px; border-collapse: collapse; font-size: var(--t-15); }
.af-tier-comparison__table th, .af-tier-comparison__table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--hairline-light); vertical-align: top; }
.af-tier-comparison__table thead th { font-family: var(--font-display); font-weight: 700; font-size: var(--t-15); letter-spacing: -0.01em; background: var(--aluminium); }
.af-tier-comparison__table tbody th { font-family: var(--font-mono); font-weight: 500; font-size: var(--t-13); letter-spacing: 0.06em; text-transform: uppercase; color: var(--steel-dark); width: 180px; }
.af-tier-comparison__table tbody tr:hover td { background: #FAFAFA; }
.af-tier-comparison__yes { color: var(--brass); font-weight: 700; }
.af-tier-comparison__no { color: var(--steel); }
.tier-chapter { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 20px var(--gutter); padding-block: 56px; border-top: 1px solid var(--hairline-light); scroll-margin-top: calc(var(--header-h) + 16px); }
.tier-chapter__head { display: grid; gap: 10px; align-content: start; }
.tier-chapter__head .tier-idx { font-family: var(--font-mono); font-size: var(--t-13); color: var(--steel-dark); letter-spacing: 0.12em; }
.tier-chapter__tagline { color: var(--steel-dark); font-weight: 500; }
.tier-chapter__head .tier-price { font-family: var(--font-mono); font-size: var(--t-20); font-weight: 500; margin: 8px 0 0; }
.tier-chapter__head .tier-price small { display: block; font: 400 var(--t-13)/1.4 var(--font-body); color: var(--steel-dark); }
.tier-chapter__body { max-width: 760px; }
.tier-chapter__img { background: #fff; aspect-ratio: 16/9; display: grid; place-items: center; margin: 0 0 24px; overflow: hidden; border-top: 2px solid var(--ink); }
.tier-chapter__img img { width: 90%; height: 90%; object-fit: contain; }
.tier-chapter__who { margin: 0 0 16px; color: var(--steel-dark); font-size: var(--t-15); }
.tier-chapter__who strong { color: var(--ink); }
.spec-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--hairline-light); border: 1px solid var(--hairline-light); margin: 24px 0; }
.spec-list div { background: var(--aluminium); padding: 14px 16px; }
.spec-list dt { font-family: var(--font-mono); font-size: var(--t-13); letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-dark); margin-bottom: 4px; }
.spec-list dd { margin: 0; font-weight: 500; font-size: var(--t-15); }
/* An odd number of specifications would otherwise leave a filled grey cell that
   reads as a missing value. */
.spec-list > div:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (max-width: 860px) { .tier-chapter { grid-template-columns: 1fr; padding-block: 40px; } .spec-list { grid-template-columns: 1fr; } }

/* System pages */
.af-system .wrap { padding: 96px 0 var(--rhythm); max-width: 760px; margin-inline: auto; }
.af-system .display-1 { margin: 0 0 20px; }
.af-system .lead { margin: 0 0 32px; }
.af-system__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.af-search__results { margin-top: 32px; }
.af-search__grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--hairline-light); border: 1px solid var(--hairline-light); list-style: none; margin: 0; padding: 0; }
.af-search__card { background: #fff; padding: 20px 22px; display: grid; gap: 6px; margin: 0; }
.af-search__img { display: none; }
.af-search__title { margin: 0; font-size: var(--t-20); font-weight: 600; }
.af-search__title a:hover { color: var(--brass); }
.af-search__excerpt { font-size: var(--t-15); color: var(--steel-dark); }
.af-search__excerpt p { margin: 0; }
.af-search__empty { margin-top: 24px; }
.af-pagination { margin-top: 32px; font-family: var(--font-mono); font-size: var(--t-15); }
.af-pagination ul { display: flex; flex-wrap: wrap; gap: 6px 14px; list-style: none; margin: 0; padding: 0; justify-content: center; }
.af-pagination .page-numbers { display: inline-block; padding: 6px 10px; border: 1px solid var(--hairline-light); }
.af-pagination .page-numbers.current { border-color: var(--ink); font-weight: 600; }
.af-pagination .dots { border-color: transparent; }
.af-pagination a:hover { color: var(--brass); }
.ground-dark .af-search__grid { background: var(--gunmetal); border-color: var(--gunmetal); }
.ground-dark .af-search__card { background: var(--graphite); }