/* ============================================================
   FIELD NOTES INDEX — redesign 2026 (handoff port)
   Loads after design-system.css + home.css (reuses .h-header,
   .grain, the token system). Page-specific styles only.
   ============================================================ */

.fn-main { max-width: 1180px; margin: 0 auto; padding: 152px 40px 0; }

/* lane palette (set on a row/primer/featured wrapper) */
.lane-methodology { --lane: #B8923D; --lane-text: var(--gold-ink); --well-bg: rgba(184,146,61,0.08); --well-bd: rgba(184,146,61,0.16); }
.lane-disagreement { --lane: #C45D43; --lane-text: #9E4F3B; --well-bg: rgba(196,93,67,0.09); --well-bd: rgba(196,93,67,0.18); }
.lane-limits { --lane: #6F6456; --lane-text: #6F6456; --well-bg: rgba(139,126,111,0.10); --well-bd: rgba(139,126,111,0.18); }

/* ---------- masthead ---------- */
.fn-masthead { padding: 24px 0 56px; border-bottom: 1px solid var(--hairline); }
.fn-masthead-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 24px; }
.fn-masthead h1 { font-family: var(--font-display); font-variation-settings: 'opsz' 144; font-weight: 300; font-size: clamp(3rem, 7vw, 5.5rem); line-height: 0.95; letter-spacing: -0.045em; color: var(--ink); margin: 0; }
.fn-masthead h1 em { font-style: italic; color: var(--gold); }
.fn-stats { text-align: right; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--quiet); padding-top: 8px; line-height: 2.2; }
.fn-stats .gold { color: var(--gold); }
.fn-manifesto { font-family: var(--font-display); font-variation-settings: 'opsz' 96; font-weight: 350; font-style: italic; font-size: clamp(1.125rem, 1.6vw, 1.4rem); line-height: 1.5; color: var(--body-soft); margin: 36px 0 0; max-width: 58ch; }

/* ---------- lane legend ---------- */
.fn-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; padding: 26px 0; border-bottom: 1px solid var(--hairline); }
.fn-legend .lab { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--faint); margin-right: 8px; }
.fn-lane { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--body); }
.fn-lane .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lane); }
.fn-lane .ct { color: var(--faint); }
.fn-lane.soon { color: #9C9183; }
.fn-lane.soon .dot { opacity: 0.45; }

/* ---------- primers ---------- */
.fn-primers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 48px 0 64px; }
.fn-primer { display: block; background: var(--parchment-rai); border: 1px solid var(--hairline); border-left: 2px solid var(--lane); border-radius: 0 18px 18px 0; padding: 32px 34px; text-decoration: none; color: var(--ink); box-shadow: 0 1px 2px rgba(33,21,15,0.04); transition: border-left-width 300ms var(--ease-carve), transform 300ms var(--ease-carve), box-shadow 300ms var(--ease-carve); }
.fn-primer:hover { border-left-width: 7px; transform: translateY(-2px); box-shadow: 0 16px 36px -18px rgba(33,21,15,0.25); }
.fn-primer .kicker { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--lane-text); display: block; margin-bottom: 16px; }
.fn-primer h2 { font-family: var(--font-display); font-variation-settings: 'opsz' 96; font-weight: 330; font-size: 1.85rem; line-height: 1.0; letter-spacing: -0.025em; margin: 0 0 12px; }
.fn-primer h2 em { font-style: italic; color: var(--lane); }
.fn-primer p { font-size: 15px; line-height: 1.55; color: var(--body-soft); margin: 0; }
.fn-primer .arr { color: var(--lane); }

/* ---------- featured (dark) ---------- */
.fn-latest { padding: 0 0 16px; }
.fn-section-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--quiet); margin: 0 0 24px; }
.fn-featured { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center; text-decoration: none; color: inherit; background: var(--ink-dark-bg); border-radius: 24px; padding: 44px 48px; box-shadow: 0 1px 2px rgba(33,21,15,0.05), 0 28px 64px -24px rgba(33,21,15,0.4); transition: transform 300ms var(--ease-carve); }
.fn-featured:hover { transform: translateY(-3px); }
.fn-fig { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; background: rgba(184,146,61,0.07); border: 1px solid rgba(201,166,89,0.25); border-radius: 18px; color: var(--gold-soft); overflow: hidden; }
.fn-fig .grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(201,166,89,0.10) 1px, transparent 1px), linear-gradient(90deg, rgba(201,166,89,0.10) 1px, transparent 1px); background-size: 30px 30px; }
.fn-fig .tl, .fn-fig .bl { position: absolute; left: 16px; z-index: 2; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: #9C8A6F; }
.fn-fig .tl { top: 14px; } .fn-fig .bl { bottom: 14px; }
/* the note's real figure, dark-treated to sit on the #1A130D card (generic filter
   so any note's figure works — drives the auto-featured newest note) */
.fn-fig img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; display: block; filter: invert(1) hue-rotate(180deg) brightness(1.06) contrast(1.04); opacity: 0.92; }
.fn-featured-meta { display: flex; align-items: center; gap: 16px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: #9C8A6F; margin-bottom: 18px; }
.fn-featured-meta .gold { color: var(--gold-soft); }
.fn-featured-meta .sep { width: 18px; height: 1px; background: #3D3329; }
.fn-featured h2 { font-family: var(--font-display); font-variation-settings: 'opsz' 144; font-weight: 320; font-size: clamp(2rem, 3.4vw, 2.9rem); line-height: 1.02; letter-spacing: -0.03em; color: #F4ECDF; margin: 0 0 18px; }
.fn-featured h2 em { font-style: italic; color: var(--gold-soft); }
.fn-featured .dek { font-size: 16px; line-height: 1.6; color: #B7A78F; margin: 0 0 24px; max-width: 56ch; }
.fn-featured .stats { display: flex; gap: 22px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: #9C8A6F; }

/* ---------- archive ---------- */
.fn-archive { padding: 48px 0 0; }
.fn-row { display: grid; grid-template-columns: 72px 1fr auto; gap: 32px; align-items: center; text-decoration: none; color: inherit; padding: 30px 24px; margin: 0 -24px; border-top: 1px solid var(--hairline); border-radius: 14px; transition: background 250ms var(--ease-micro); }
.fn-row:last-of-type { border-bottom: 1px solid var(--hairline); }
.fn-row:hover { background: var(--parchment-rai); }
.fn-row:hover .fn-chev { opacity: 1; transform: translateY(-50%) translateX(0); }
.fn-well { display: flex; align-items: center; justify-content: center; width: 76px; height: 76px; border-radius: 14px; background: var(--well-bg); border: 1px solid var(--well-bd); color: var(--lane); flex: none; overflow: hidden; }
.fn-well img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fn-row .meta { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--quiet); margin-bottom: 10px; flex-wrap: wrap; }
.fn-row .meta .lane { color: var(--lane); }
.fn-row .meta .sep { width: 16px; height: 1px; background: rgba(33,21,15,0.2); }
.fn-row h3 { font-family: var(--font-display); font-variation-settings: 'opsz' 96; font-weight: 330; font-size: 1.7rem; line-height: 1.05; letter-spacing: -0.025em; color: var(--ink); margin: 0 0 8px; }
.fn-row h3 em { font-style: italic; color: var(--lane); }
.fn-row .dek { font-size: 14.5px; line-height: 1.55; color: var(--body-soft); margin: 0; max-width: 64ch; }
.fn-row .stats { position: relative; padding-right: 26px; text-align: right; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); line-height: 2; }
.fn-chev { position: absolute; right: 0; top: 50%; transform: translateY(-50%) translateX(-5px); opacity: 0; color: var(--gold); font-size: 15px; transition: all 260ms var(--ease-carve); }

/* ---------- colophon ---------- */
.fn-colophon { padding: 80px 0 64px; }
.fn-colophon-grid { display: grid; grid-template-columns: 0.6fr 1fr; gap: 48px; padding-top: 48px; border-top: 1px solid var(--hairline); }
.fn-colophon h3 { font-family: var(--font-display); font-variation-settings: 'opsz' 96; font-weight: 330; font-size: 1.75rem; line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); margin: 0; }
.fn-colophon h3 em { font-style: italic; color: var(--gold); }
.fn-colophon p { font-size: 15px; line-height: 1.65; color: var(--body); margin: 0 0 18px; }
.fn-colophon strong { color: var(--ink); font-weight: 600; }
.fn-colophon .corr { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--quiet); margin: 0; }
.fn-colophon .corr a { color: var(--gold-ink); text-decoration: none; border-bottom: 1px solid var(--gold-glow); }
.fn-foot-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--quiet); margin: 56px 0 0; }

/* ---------- responsive (single 860px breakpoint) ---------- */
@media (max-width: 860px) {
  .fn-main { padding: 120px 20px 0; }
  .fn-masthead-top { flex-direction: column; }
  .fn-stats { text-align: left; line-height: 1.9; }
  .fn-primers { grid-template-columns: 1fr; gap: 16px; padding: 36px 0 48px; }
  .fn-featured { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .fn-fig { max-width: 220px; }
  .fn-row { grid-template-columns: 56px 1fr; gap: 16px; padding: 22px 16px; margin: 0 -16px; align-items: start; }
  .fn-well { width: 56px; height: 56px; }
  .fn-well svg { width: 40px; height: 40px; }
  .fn-row .meta { gap: 8px 12px; margin-bottom: 8px; }
  .fn-row .stats { grid-column: 2; display: flex; gap: 16px; text-align: left; padding-right: 0; margin-top: 12px; line-height: 1.5; }
  .fn-chev { display: none; }
  .fn-colophon-grid { grid-template-columns: 1fr; gap: 20px; }
}