:root { --serif: "Source Serif 4", Georgia, "Times New Roman", serif; }

.bl-hero { background: var(--brand); color: var(--brand-ink); position: relative; overflow: hidden; }
.bl-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 88% 10%, rgba(217,154,38,.2), transparent 55%), radial-gradient(ellipse at 6% 100%, rgba(179,52,43,.26), transparent 50%); pointer-events: none; }
.bl-hero .in { position: relative; z-index: 1; padding-block: 56px 48px; display: grid; gap: 14px; }
.bl-hero .eyebrow { color: var(--gold); }
.bl-hero h1 { margin: 0; font: 800 clamp(34px, 5vw, 54px)/1.04 var(--font); letter-spacing: -.025em; }
.bl-hero p { margin: 0; max-width: 62ch; font-size: clamp(16px, 1.5vw, 18px); line-height: 1.6; opacity: .85; }

.bl-wrap { padding-block: 24px 64px; display: grid; gap: 28px; }
.bl-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.bl-chips a { font: 700 13.5px var(--font); text-decoration: none; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); }
.bl-chips a span { color: var(--muted); font-weight: 600; margin-left: 2px; }
.bl-chips a:hover { border-color: var(--ink); }
.bl-chips a[aria-current] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.bl-chips a[aria-current] span { color: inherit; opacity: .7; }
.bl-empty { color: var(--muted); }

.bl-art { display: grid; position: relative; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; background: var(--soft); }
.bl-art img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.bl-art b { place-self: center; font: 800 clamp(64px, 9vw, 112px)/1 var(--serif); opacity: .9; }
.bl-art i { position: absolute; left: 14px; bottom: 12px; font: 600 11px var(--mono); font-style: normal; letter-spacing: .08em; text-transform: uppercase; opacity: .75; }
.bl-art-how-to { background: var(--red-soft); color: var(--red); }
.bl-art-identification { background: var(--blue-soft); color: var(--blue); }
.bl-art-history { background: var(--gold-soft); color: #9a6a12; }
.bl-art-reference { background: var(--soft); color: var(--ink); }
.bl-art-business-of-vintage { background: var(--green-soft); color: var(--green); }
.bl-art-safety { background: var(--brand); color: var(--gold); }
.bl-art-fun { background: linear-gradient(135deg, var(--gold-soft), var(--red-soft)); color: var(--red); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .bl-art-history { color: var(--gold); } }
:root[data-theme="dark"] .bl-art-history { color: var(--gold); }

.bl-lead { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 32px; align-items: center; text-decoration: none; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.bl-lead .bl-art { aspect-ratio: 16 / 11; }
.bl-lead-text { display: grid; gap: 10px; }
.bl-lead h2 { font: 800 clamp(26px, 3.2vw, 38px)/1.1 var(--font); letter-spacing: -.02em; margin: 0; }
.bl-lead p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.55; }
.bl-lead:hover h2, .bl-card:hover h3 { color: var(--red); }
.bl-lead:hover img, .bl-card:hover img { transform: scale(1.03); }
@media (max-width: 760px) { .bl-lead { grid-template-columns: 1fr; gap: 16px; } }

.bl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 32px 24px; }
.bl-card { display: grid; gap: 8px; align-content: start; text-decoration: none; }
.bl-card .bl-art { margin-bottom: 6px; }
.bl-card h3 { font: 800 20px/1.25 var(--font); letter-spacing: -.01em; text-wrap: balance; }
.bl-card p { margin: 0; color: var(--muted); font-size: 15px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bl-card-meta { font: 500 12px var(--mono); color: var(--muted); letter-spacing: .02em; }

.bl-pages { display: flex; gap: 6px; justify-content: center; }
.bl-pages a { min-width: 40px; text-align: center; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line); text-decoration: none; font-weight: 700; }
.bl-pages a[aria-current] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.bl-shelf { border-top: 1px solid var(--line); padding-top: 32px; display: grid; gap: 18px; }
.bl-shelf h2 { margin: 0; }
.bl-shelf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 16px; }
.bl-shelf-card { border: 1px solid var(--line); border-radius: 16px; padding: 20px; display: grid; gap: 4px; align-content: start; background: var(--bg); }
.bl-shelf-card h3 { font: 800 19px/1.25 var(--font); }
.bl-shelf-card > span { font: 500 12px var(--mono); color: var(--muted); }
.bl-shelf-card ol { margin: 10px 0 0; padding-left: 22px; display: grid; gap: 6px; }
.bl-shelf-card li::marker { color: var(--red); font-weight: 700; }
.bl-shelf-card a { text-decoration: none; font-weight: 600; }
.bl-shelf-card a:hover { color: var(--red); text-decoration: underline; }

.bl-draft { background: var(--gold); color: #1d1b1f; font-weight: 700; font-size: 14px; }
.bl-draft .in { padding-block: 10px; }
.bl-draft a { margin-left: 8px; }

.bl-head { display: grid; gap: 14px; padding-block: 8px 28px; }
.bl-head > * { max-width: 880px; }
.bl-head h1 { margin: 0; font: 800 clamp(32px, 4.6vw, 52px)/1.06 var(--font); letter-spacing: -.025em; text-wrap: balance; }
.bl-dek { margin: 0; font: 400 clamp(18px, 1.9vw, 21px)/1.5 var(--serif); color: var(--muted); max-width: 60ch; }
.bl-meta { margin: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font: 500 13px var(--mono); color: var(--muted); }
.bl-layout { display: grid; grid-template-columns: minmax(0, 720px) minmax(0, 1fr); gap: 56px; align-items: start; padding-bottom: 32px; border-top: 1px solid var(--line); padding-top: 32px; }
.bl-side { position: sticky; top: 96px; }
@media (max-width: 980px) { .bl-layout { grid-template-columns: 1fr; gap: 32px; } .bl-side { position: static; } }

.bl-series { border-radius: 16px; background: var(--soft); padding: 20px; display: grid; gap: 6px; }
.bl-series h2 { font: 800 19px/1.25 var(--font); margin: 0 0 6px; }
.bl-series ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.bl-series li { display: grid; grid-template-columns: 26px 1fr; gap: 8px; padding: 8px; border-radius: 10px; font-size: 14.5px; line-height: 1.35; }
.bl-series li > a { display: contents; text-decoration: none; }
.bl-series li:has(> a):hover { background: var(--bg); }
.bl-series li:has(> a):hover span { color: var(--red); }
.bl-series b { font: 700 12px/1.6 var(--mono); color: var(--muted); }
.bl-series li[aria-current] { background: var(--bg); font-weight: 700; }
.bl-series li[aria-current] b { color: var(--red); }

.bl-sources { border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; max-width: 720px; margin-bottom: 40px; }
.bl-sources summary { cursor: pointer; font-weight: 800; }
.bl-sources ol { margin: 12px 0 0; padding-left: 22px; display: grid; gap: 6px; font: 13px/1.5 var(--mono); }
.bl-sources a { color: var(--muted); word-break: break-all; }
.bl-sources a:hover { color: var(--red); }

.bl-related { border-top: 1px solid var(--line); padding-block: 40px 56px; display: grid; gap: 22px; }
.bl-related h2 { margin: 0; }
.bl-404 { padding-block: 80px; display: grid; gap: 12px; }
.bl-404 h1 { margin: 0; font: 800 40px/1.1 var(--font); }

.vf-article { font: 400 19px/1.7 var(--serif); color: var(--ink); overflow-wrap: break-word; }
.vf-article > * { margin: 0 0 1.1em; }
.vf-article > :first-child { margin-top: 0; }
.vf-article > :last-child { margin-bottom: 0; }
.vf-article h2 { font: 800 clamp(23px, 2.4vw, 28px)/1.2 var(--font); letter-spacing: -.015em; margin: 1.9em 0 .6em; }
.vf-article h3 { font: 800 21px/1.3 var(--font); margin: 1.6em 0 .5em; }
.vf-article h2 + h3 { margin-top: .8em; }
.vf-article a { color: var(--red); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.vf-article a:hover { text-decoration-thickness: 2px; }
.vf-article strong, .vf-article b { font-weight: 600; }
.vf-article ul, .vf-article ol { padding-left: 1.4em; }
.vf-article li { margin-bottom: .4em; }
.vf-article li::marker { color: var(--red); }
.vf-article blockquote { margin-left: 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--gold); font-style: italic; color: var(--muted); }
.vf-article hr { border: 0; height: 1px; background: var(--line); margin: 2.2em 0; }
.vf-article img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
.vf-article figure { margin: 1.8em 0; }
.vf-article figure.image { display: table; }
.vf-article figcaption { font: 500 13.5px/1.5 var(--font); color: var(--muted); margin-top: 8px; caption-side: bottom; }
.vf-article code { font: 0.85em var(--mono); background: var(--soft); padding: 2px 5px; border-radius: 5px; }
.vf-article .vf-table { overflow-x: auto; margin: 1.6em 0; border: 1px solid var(--line); border-radius: 12px; }
.vf-article table { border-collapse: collapse; width: 100%; font: 400 14.5px/1.5 var(--font); }
.vf-article > table { border: 1px solid var(--line); }
.vf-article th, .vf-article td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.vf-article th { font-weight: 800; background: var(--soft); font-size: 13px; }
.vf-article tr:last-child td { border-bottom: 0; }
.vf-article .vf-photo-todo { font: 600 14px/1.5 var(--font); color: var(--muted); border: 2px dashed var(--line); border-radius: 12px; padding: 18px 20px 18px 52px; background: var(--soft) no-repeat 18px 50% / 22px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239a958c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Ccircle cx='9' cy='11' r='2'/%3E%3Cpath d='m21 17-5-5-9 7'/%3E%3C/svg%3E"); }
@media (max-width: 600px) { .vf-article { font-size: 18px; } }
