/* Gryphon Books for Writers: heraldic tinctures, a research-shelf layout. */
:root {
  --azure: #19398c;      /* field: matches the gryphon artwork */
  --azure-deep: #102766;
  --or: #d4a72c;         /* gold */
  --argent: #f3f5f9;     /* page */
  --sable: #121826;      /* ink */
  --gules: #b7322c;      /* rare accent */
  --rule: #c9d2e3;
  --muted: #4a5368;
  --display: "IM Fell English", Georgia, serif;
  --body: "Atkinson Hyperlegible", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: min(72rem, 100% - 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--argent); color: var(--sable); font: 1.0625rem/1.65 var(--body); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--azure); text-underline-offset: .18em; }
a:hover { color: var(--azure-deep); }
:focus-visible { outline: 3px solid var(--or); outline-offset: 3px; border-radius: 2px; }
.wrap { width: var(--wrap); margin-inline: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--or); color: var(--sable); padding: .5rem 1rem; z-index: 10; }

/* Masthead: sits on the azure field */
.masthead { background: var(--azure); color: var(--argent); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: inherit; text-decoration: none; font: 1.35rem/1 var(--display); }
.brand img { width: 2.6rem; height: auto; border-radius: 50%; background: var(--azure-deep); }
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1.4rem; font-size: .95rem; }
.nav a { color: var(--argent); text-decoration: none; padding-block: .3rem; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--or); border-bottom-color: var(--or); }

/* Hero: the shield field */
.hero { background: var(--azure); color: var(--argent); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 2rem; padding-block: 2.5rem 0; }
.hero h1 { font: clamp(2.6rem, 6vw, 4.6rem)/1.02 var(--display); margin: 0 0 1.2rem; letter-spacing: -.01em; }
.hero h1 em { color: var(--or); font-style: italic; }
.hero p { font-size: 1.15rem; max-width: 34rem; margin: 0 0 1.8rem; color: #dfe6f5; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; padding-bottom: 3rem; }
.btn { display: inline-block; padding: .8rem 1.3rem; border-radius: 3px; font-weight: 700; text-decoration: none; border: 2px solid var(--or); }
.btn-solid { background: var(--or); color: var(--sable); }
.btn-solid:hover { background: #e2b844; color: var(--sable); }
.btn-line { color: var(--argent); }
.btn-line:hover { background: var(--azure-deep); color: var(--or); }
.hero figure { margin: 0; align-self: end; }
.hero figure img { width: min(100%, 30rem); margin-left: auto;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }

/* Honest ownership note */
.notice { background: #fff; border-bottom: 1px solid var(--rule); font-size: .95rem; color: var(--muted); }
.notice .wrap { padding-block: .9rem; }
.notice strong { color: var(--sable); }

/* Sections */
.section { padding-block: 4rem; }
.section h2 { font: clamp(1.9rem, 3.6vw, 2.6rem)/1.1 var(--display); margin: 0 0 .6rem; }
.lede { max-width: 42rem; margin: 0 0 2.2rem; color: var(--muted); }

/* Signature: catalog cards with their Library of Congress shelf range */
.shelf { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1.25rem; }
.card { position: relative; background: #fff; border: 1px solid var(--rule); border-radius: 4px; padding: 3.4rem 1.4rem 1.4rem; transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(16, 39, 102, .12); }
.label { position: absolute; top: 1rem; left: 1.4rem; font: 500 .82rem/1 var(--mono); letter-spacing: .04em; color: var(--sable);
  padding: .38rem .6rem; border: 2px solid var(--or); border-radius: 2px; background: linear-gradient(#fbf3dc, #f3e2ad); }
.label::before { content: "Shelf "; color: var(--muted); }
.card h3 { font: 1.45rem/1.15 var(--display); margin: 0 0 .4rem; }
.card h3 a { color: var(--sable); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card h3 a:hover { color: var(--azure); }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }

/* Craft classic feature */
.classic { background: var(--azure-deep); color: var(--argent); }
.classic .wrap { display: grid; grid-template-columns: auto 1fr; gap: 2.5rem; align-items: center; }
.classic .chart { font: 500 .9rem/1.5 var(--mono); border: 2px solid var(--or); border-radius: 3px; padding: 1rem 1.2rem; background: var(--azure); min-width: 17rem; }
.classic .chart div { display: grid; grid-template-columns: 7.5rem 1fr; border-bottom: 1px dashed rgba(212, 167, 44, .5); padding-block: .45rem; }
.classic .chart div:last-child { border-bottom: 0; }
.classic .chart b { color: var(--or); font-weight: 500; }
.classic h2 { color: var(--argent); }
.classic p { color: #d6def0; max-width: 38rem; }
.classic a.btn { margin-top: .6rem; }

/* Latest guides */
.latest { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.latest li { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding-block: 1.1rem; border-bottom: 1px solid var(--rule); }
.latest time { font: .85rem/1.9 var(--mono); color: var(--muted); }
.latest a { font: 1.3rem/1.25 var(--display); color: var(--sable); text-decoration: none; }
.latest a:hover { color: var(--azure); text-decoration: underline; }
.latest p { margin: .2rem 0 0; color: var(--muted); font-size: .95rem; }

/* Footer */
.footer { background: var(--sable); color: #b9c1d3; font-size: .92rem; }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; padding-block: 2.2rem; }
.footer a { color: var(--argent); }
.footer p { margin: 0; max-width: 38rem; }

@media (max-width: 52rem) {
  .masthead .wrap { flex-wrap: wrap; }
  .brand { white-space: nowrap; }
  .nav { width: 100%; gap: .25rem 1.1rem; font-size: .9rem; }
  .hero .wrap, .classic .wrap { grid-template-columns: 1fr; }
  .hero figure img { margin-inline: auto; width: min(80%, 22rem); }
  .actions { padding-bottom: 1rem; }
  .latest li { grid-template-columns: 1fr; gap: .2rem; }
}
@media (prefers-reduced-motion: reduce) { .card { transition: none; } .card:hover { transform: none; } }

/* Article, page and hub templates */
.page-title { font: clamp(2.2rem, 5vw, 3.4rem)/1.05 var(--display); margin: .4rem 0 .8rem; }
.crumbs { font-size: .88rem; color: var(--muted); padding-top: 2rem; }
.crumbs a { color: var(--muted); }
.article { max-width: 46rem; padding-bottom: 3rem; }
.article h1 { font: clamp(2.2rem, 5vw, 3.3rem)/1.06 var(--display); margin: .6rem 0 .6rem; }
.meta { color: var(--muted); font: .85rem/1.6 var(--mono); margin: 0 0 1.2rem; }
.shelf-note { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .8rem; color: var(--muted); font-size: .95rem; margin: 0 0 1.6rem; }
.shelf-note .label { position: static; }
.hero-img { width: 100%; border-radius: 4px; margin: 0 0 2rem; background: var(--azure); }
.prose h2 { font: 1.9rem/1.15 var(--display); margin: 2.4rem 0 .7rem; }
.prose h3 { font: 1.35rem/1.2 var(--display); margin: 1.8rem 0 .5rem; }
.prose p, .prose li { max-width: 40rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .35rem; }
.prose blockquote { margin: 1.6rem 0; padding: .4rem 0 .4rem 1.2rem; border-left: 4px solid var(--or); color: var(--muted); }
.prose figure { margin: 2rem 0; }
.prose figure img { border-radius: 4px; }
.more { background: #fff; border-top: 1px solid var(--rule); padding-block: 3rem; }
.more h2 { font: 1.8rem/1.1 var(--display); margin: 0 0 1.4rem; }
.all-link { margin-top: 1.4rem; font-weight: 700; }
.section h2 a { color: inherit; text-decoration: none; }