/* ============================================================
   FIELD NOTE POST — short-form essay page
   Shared by every blog/notes/*.html post.
   ============================================================ */
.progress { position: fixed; left: 0; top: var(--rail-h); height: 2px; width: 100%; background: transparent; z-index: 49; }
.progress .bar { height: 100%; width: 0%; background: var(--accent); transition: width 60ms linear; }

.art-hero { padding-top: calc(var(--rail-h) + 56px); padding-bottom: 0; }
.art-hero .crumb { display: flex; align-items: center; gap: 14px; padding-bottom: 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.art-hero .crumb a, .art-hero .crumb .here, .art-hero .crumb .sep { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.art-hero .crumb a { color: var(--mute); transition: color 200ms; }
.art-hero .crumb a:hover { color: var(--ink); }
.art-hero .crumb .sep { color: var(--mute); }
.art-hero .crumb .here { color: var(--ink); }
.art-hero .kicker { margin-top: 56px; display: flex; gap: 16px; align-items: baseline; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); }
.art-hero .kicker .cat { color: var(--accent); }
.art-hero .headline { margin-top: 22px; font-size: clamp(34px, 4.8vw, 68px); line-height: 1.0; letter-spacing: -0.03em; font-weight: 500; text-wrap: balance; color: var(--ink); max-width: 18ch; }
.art-hero .headline .em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.02em; color: var(--accent); }
.art-hero .standfirst { margin-top: 32px; max-width: 680px; font-size: clamp(18px, 1.6vw, 23px); line-height: 1.5; color: var(--ink-90); padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.art-hero .standfirst .em { font-family: var(--serif); font-style: italic; }
.art-hero .byline { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 20px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); }
.art-hero .byline .who { color: var(--ink); display: inline-flex; align-items: center; gap: 10px; }
.art-hero .byline .who img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.art-hero .byline .who b { font-family: var(--sans); font-weight: 500; text-transform: none; letter-spacing: -0.01em; font-size: 13px; }

.post { padding-block: clamp(48px, 6vw, 80px); }

/* ---- Hero two-column: title left, card image right (saves vertical space) ---- */
.art-hero-grid { margin-top: 52px; display: grid; grid-template-columns: 1fr 0.82fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.art-hero-text { min-width: 0; }
.art-hero-text .kicker { margin-top: 0; }
.art-hero-text .headline { max-width: 20ch; }
.art-hero-text .standfirst { max-width: none; border-bottom: none; padding-bottom: 0; }
.art-hero-text .byline { margin-top: 28px; padding-top: 20px; padding-bottom: 0; border-top: 1px solid var(--line); }
.art-hero-fig { margin: 0; }
.art-hero-fig figure { margin: 0; }
.art-hero-fig .frame { position: relative; max-width: 420px; margin-left: auto; border-radius: 12px; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); box-shadow: 0 22px 54px -28px rgba(14,14,13,0.42); }
.art-hero-fig .frame.dark { background: #0e0e0d; }
.art-hero-fig img { display: block; width: 100%; height: auto; }
.art-hero-fig figcaption { max-width: 420px; margin: 14px 0 0 auto; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); display: flex; gap: 12px; align-items: baseline; justify-content: flex-end; text-align: right; }
.art-hero-fig figcaption .sep { color: var(--accent); }
@media (max-width: 880px) {
  .art-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .art-hero-text .standfirst { border-bottom: 1px solid var(--line); padding-bottom: 30px; }
  .art-hero-fig .frame, .art-hero-fig figcaption { max-width: 480px; margin-inline: auto; }
  .art-hero-fig figcaption { justify-content: center; text-align: center; }
}

/* Field-note card artifact — constrained, centered, not a full-bleed banner */
.note-feature { margin-top: 48px; }
.note-feature figure { margin: 0; }
.note-feature .frame { position: relative; max-width: 520px; margin-inline: auto; border-radius: 12px; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); box-shadow: 0 20px 50px -28px rgba(14,14,13,0.4); }
.note-feature .frame.dark { background: #0e0e0d; }
.note-feature img { display: block; width: 100%; height: auto; }
.note-feature figcaption { max-width: 520px; margin: 16px auto 0; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); display: flex; gap: 12px; align-items: baseline; justify-content: center; }
.note-feature figcaption .sep { color: var(--accent); }

.post .reading { max-width: 680px; margin-inline: auto; }
.post .reading > * + * { margin-top: 1.5em; }
.post .reading p { font-size: clamp(18px, 1.45vw, 20px); line-height: 1.7; color: var(--ink-90); text-wrap: pretty; }
.post .reading p.dropcap::first-letter { font-family: var(--serif); font-size: 4.4em; line-height: 0.78; float: left; padding-right: 0.08em; margin-top: 0.04em; color: var(--accent); font-weight: 400; }
.post .reading h2 { margin-top: 1.8em; font-size: clamp(24px, 2.7vw, 32px); line-height: 1.14; letter-spacing: -0.025em; font-weight: 500; color: var(--ink); text-wrap: balance; }
.post .reading h2 .em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }
.post .reading a { color: var(--accent); border-bottom: 1px solid color-mix(in oklab, var(--accent) 40%, transparent); transition: border-color 180ms; }
.post .reading a:hover { border-color: var(--accent); }
.post .reading strong { font-weight: 600; color: var(--ink); }
.post .reading em { font-style: italic; }
.post .reading hr { border: none; height: 1px; background: var(--line); margin-block: 2.2em; }
.post .reading .pull { font-family: var(--sans); font-weight: 500; font-size: clamp(22px, 2.6vw, 32px); line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); text-wrap: balance; padding-block: 0.4em; }
.post .reading .pull .em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }

.post .end-mark { max-width: 680px; margin: 56px auto 0; padding-top: 36px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); }
.post .end-mark .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.post .end-mark a { color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 1px; }
.post .end-mark a:hover { color: var(--accent); border-color: var(--accent); }

.next-art { border-top: 1px solid var(--line); }
.next-art-link { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; padding-block: clamp(40px, 5vw, 72px); transition: padding-inline 280ms cubic-bezier(0.16,1,0.3,1); }
.next-art-link:hover { padding-inline: 12px; }
.next-art-link .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); display: block; margin-bottom: 16px; }
.next-art-link .ttl { font-size: clamp(26px, 3.6vw, 46px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 500; color: var(--ink); text-wrap: balance; }
.next-art-link .ttl .em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }
.next-art-link:hover .ttl { color: var(--accent); }
.next-art-link .arrow { width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--ink); display: grid; place-items: center; flex-shrink: 0; transition: all 260ms; }
.next-art-link .arrow svg { width: 18px; height: 18px; }
.next-art-link:hover .arrow { background: var(--ink); color: var(--paper); transform: rotate(-45deg); }
.next-art-link.prev .arrow { transform: rotate(180deg); }
.next-art-link.prev:hover .arrow { transform: rotate(135deg); }
@media (max-width: 640px) { .next-art-link { grid-template-columns: 1fr; gap: 24px; } .next-art-link .arrow { width: 52px; height: 52px; } }

.note-nav { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; }
.note-nav .next-art-link { padding-inline: 0; }
.note-nav .next-art-link.prev { border-right: 1px solid var(--line); padding-right: 32px; }
.note-nav .next-art-link.next { padding-left: 32px; text-align: right; grid-template-columns: auto 1fr; }
.note-nav .next-art-link.next .arrow { order: -1; }
.note-nav .next-art-link:hover { padding-inline: 0; }
@media (max-width: 760px) {
  .note-nav { grid-template-columns: 1fr; }
  .note-nav .next-art-link.prev { border-right: none; border-bottom: 1px solid var(--line); padding-right: 0; }
  .note-nav .next-art-link.next { padding-left: 0; text-align: left; grid-template-columns: 1fr auto; }
  .note-nav .next-art-link.next .arrow { order: 0; }
}