/* ── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  --ink: #1b2a4a;        /* primary text, headings */
  --slate: #5c6478;      /* secondary text */
  --paper: #fbf5e9;      /* page background */
  --paper-raised: #f3ecdc; /* card / raised surface */
  --line: #ddd3bd;       /* hairline rules */
  --marigold: #e29b3e;   /* primary accent — CTA, highlights */
  --marigold-ink: #7a4f16; /* accessible text-on-marigold */
  --ledger-green: #3f6b4f; /* secondary accent — growth / positive */
  --rust: #b54a2e;       /* sparse — warnings, important notes */

  --font-display: "Lora", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1040px;
  --container-narrow: 700px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--ink); text-decoration-color: var(--marigold); text-decoration-thickness: 2px; }
a:hover { color: var(--marigold-ink); }

:focus-visible {
  outline: 2px solid var(--marigold-ink);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.2em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--slate);
}

/* ── LEDGER STITCH RULE (signature motif) ─────────────────────
   A dotted double-rule evoking the perforated / stitched edge of
   an Indian bank passbook. Used sparingly: header + section breaks. */
.stitch-rule {
  height: 6px;
  background-image:
    radial-gradient(circle, var(--ink) 1px, transparent 1.3px);
  background-size: 10px 6px;
  background-repeat: repeat-x;
  background-position: left center;
  opacity: 0.35;
}

/* ── HEADER ────────────────────────────────────────────────── */
.site-header { padding: 28px 0 0; }
.site-header .row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 18px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
nav.site-nav { display: flex; gap: 28px; flex-wrap: wrap; }
nav.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--slate);
}
nav.site-nav a:hover, nav.site-nav a[aria-current="page"] { color: var(--marigold-ink); }
.site-header .stitch-rule { margin-bottom: 0; }

/* ── HERO ──────────────────────────────────────────────────── */
.hero { padding: 64px 0 40px; }
.hero .eyebrow { margin-bottom: 14px; }
.hero h1 { max-width: 14ch; }
.hero .lede {
  max-width: 52ch;
  font-size: 1.15rem;
  color: var(--slate);
}
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 13px 22px;
  border-radius: 3px;
  text-decoration: none;
  border: 1.5px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--marigold-ink); border-color: var(--marigold-ink); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper-raised); color: var(--ink); }

/* ── LEDGER ENTRY LIST (article cards) ────────────────────────
   Each entry reads like a line in an account book: a thin ink
   rule on the left, a mono category tag, title, dek, meta. */
.ledger { margin-top: 16px; }
.ledger-entry {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
.ledger-entry:first-child { border-top: 1px solid var(--line); }
.ledger:has(.ledger-entry:first-child) { border-top: none; }
.ledger-entry:hover .entry-title { color: var(--marigold-ink); }
.ledger-entry:hover .entry-rule { background: var(--marigold); }

.entry-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
  position: relative;
  padding-left: 14px;
}
.entry-rule {
  position: absolute;
  left: 0; top: 2px; bottom: 2px;
  width: 3px;
  background: var(--ink);
  transition: background 0.15s ease;
}
.entry-tag {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ledger-green);
  margin-bottom: 6px;
}
.entry-body { min-width: 0; }
.entry-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin: 0 0 8px;
  color: var(--ink);
}
.entry-dek { color: var(--slate); margin: 0; font-size: 0.98rem; }

@media (max-width: 640px) {
  .ledger-entry { grid-template-columns: 1fr; gap: 6px; }
  .entry-meta { padding-left: 14px; }
  /* A little extra breathing room on phones, so text doesn't sit flush
     against the edge of the screen (or a raised screen-protector bezel). */
  .container, .container-narrow { padding: 0 26px; }
}

/* ── ARTICLE PAGE ──────────────────────────────────────────── */
.article-head { padding: 56px 0 20px; }
.article-head .eyebrow { color: var(--ledger-green); margin-bottom: 16px; }
.article-head h1 { max-width: 22ch; }
.article-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--slate);
  margin-top: 14px;
}

.affiliate-note {
  background: var(--paper-raised);
  border-left: 3px solid var(--marigold);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--slate);
  margin: 28px 0;
  border-radius: 2px;
}
.affiliate-note a { color: var(--ink); }

/* ── ARTICLE TWO-COLUMN LAYOUT ─────────────────────────────────
   Article text on one side, a sticky sidebar (author bio + related
   articles) on the other, so both stay visible while reading instead
   of only appearing once the reader scrolls to the very bottom.
   Collapses to a single stacked column on narrow/mobile screens. */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
  padding: 12px 0 60px;
}
.article-main.prose { padding: 0; max-width: none; }
.article-sidebar {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .article-sidebar {
    position: static;
    margin-top: 8px;
  }
}

/* ── AUTHOR BYLINE ─────────────────────────────────────────── */
.byline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--paper-raised);
  border-radius: 4px;
}
.byline-photo { border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.byline-name { display: block; font-weight: 600; font-size: 0.9rem; color: var(--ink); }
.byline-bio { display: block; font-size: 0.82rem; color: var(--slate); }

/* ── RELATED ARTICLES (sidebar, compact) ───────────────────── */
.related { padding-top: 20px; border-top: 1px solid var(--line); }
.related h2 { font-size: 1rem; margin-bottom: 4px; }
.ledger--compact .ledger-entry {
  display: block;
  padding: 16px 0;
}
.ledger--compact .entry-meta {
  padding-left: 0;
  margin-bottom: 6px;
}
.ledger--compact .entry-rule { display: none; }
.ledger--compact .entry-title { font-size: 1.05rem; }
.ledger--compact .entry-dek { font-size: 0.9rem; }

.prose { padding: 12px 0 60px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: 0.4em; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--line);
  color: var(--slate);
  font-style: italic;
}
.prose code {
  font-family: var(--font-mono);
  background: var(--paper-raised);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.92rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { font-family: var(--font-mono); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.06em; color: var(--slate); }

.cta-block {
  background: var(--ink);
  color: var(--paper);
  padding: 32px;
  border-radius: 4px;
  margin: 40px 0;
}
.cta-block h3 { color: var(--paper); margin-bottom: 10px; }
.cta-block p { color: #cdd3e0; margin-bottom: 18px; }
.cta-block .btn-primary { background: var(--marigold); border-color: var(--marigold); color: var(--ink); font-weight: 600; }
.cta-block .btn-primary:hover { background: #eeb15f; }
.cta-block .cta-disclosure { color: #9aa3b8; font-size: 0.78rem; margin: 10px 0 0; }

/* ── PAGE (about / disclosure) ─────────────────────────────── */
.page-head { padding: 56px 0 8px; }
.page-body { padding: 12px 0 60px; }
.page-body h2 { margin-top: 1.5em; }

/* ── FOOTER ────────────────────────────────────────────────── */
.site-footer { padding: 40px 0 60px; margin-top: 40px; }
.site-footer .stitch-rule { margin-bottom: 28px; }
.footer-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
}
.footer-row a { color: var(--slate); text-decoration: none; }
.footer-row a:hover { color: var(--marigold-ink); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }