/* ============================================================
   Tarvolo — visual system
   Concept: a well-set customs declaration. Warm paper, black ink,
   hairline rules, monospace stamps for metadata, tabular figures
   for every number. Nothing decorative that isn't load-bearing.
   ============================================================ */

:root {
  --paper: #f8f5ef;
  --paper-2: #fdfbf7;
  --card: #ffffff;

  --ink: #14120e;
  --ink-2: #2a2620;
  --ink-3: #56503f;
  --ink-4: #8a8272;

  --line: #e5ded1;
  --line-2: #cec5b4;

  --accent: #0b4f3f;
  --accent-2: #0e6a54;
  --accent-soft: #eaf1ed;

  --stamp: #a03a2c;
  --stamp-soft: #fbede8;

  --wide: 1080px;
  --narrow: 760px;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", Palatino,
    Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main { flex: 1 0 auto; }

::selection {
  background: #0b4f3f;
  color: #fff;
}

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 28px;
}

.wrap--narrow { max-width: var(--narrow); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 245, 239, 0.86);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 62px;
}

.brand {
  font-family: var(--serif);
  font-size: 1.42rem;
  line-height: 1;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.brand-mark { color: var(--stamp); }

.brand-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding-left: 12px;
  margin-left: 10px;
  border-left: 1px solid var(--line-2);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--ink-3);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav a:hover { color: var(--ink); }

.site-nav a.is-current { color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  padding: 76px 0 60px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 26px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.kicker::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line-2);
  max-width: 120px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.55rem, 6.4vw, 4.35rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin: 0 0 26px;
  max-width: 22ch;
  text-wrap: balance;
}

.hero-dek {
  font-size: clamp(1.06rem, 1.6vw, 1.2rem);
  line-height: 1.62;
  color: var(--ink-2);
  margin: 0;
  max-width: 54ch;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.hero-foot span { display: inline-flex; align-items: center; gap: 8px; }

.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--stamp);
  display: inline-block;
}

/* ---------- prose ---------- */

.prose { padding: 58px 0 0; }

.prose p {
  margin: 0 0 24px;
  font-size: 1.0625rem;
  line-height: 1.74;
  color: var(--ink-2);
}

.prose > p:first-of-type { font-size: 1.125rem; }

.prose h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 62px 0 20px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  text-wrap: balance;
}

.prose h3 {
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 36px 0 12px;
  color: var(--ink);
}

.prose a,
.hero a,
.post a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-2);
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

.prose a:hover,
.post a:hover {
  color: var(--accent-2);
  text-decoration-color: currentColor;
}

.prose ul,
.prose ol {
  margin: 0 0 24px;
  padding-left: 22px;
}

.prose li { margin-bottom: 10px; color: var(--ink-2); }

.prose li::marker { color: var(--ink-4); }

.prose strong { font-weight: 600; color: var(--ink); }

.prose em { font-style: italic; }

/* ---------- the three bills ---------- */

.ledger {
  border-top: 1px solid var(--ink);
  margin: 32px 0 0;
}

.ledger-item {
  display: grid;
  grid-template-columns: 44px 0.82fr 1.55fr;
  gap: 8px 26px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.15s ease;
}

.ledger-item:hover { background: var(--paper-2); }

.ledger-num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--stamp);
  padding-top: 4px;
}

.ledger-title {
  font-family: var(--serif);
  font-size: 1.52rem;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

.ledger-title a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.ledger-title a:hover {
  color: var(--accent);
  border-bottom-color: var(--line-2);
}

.ledger-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 8px 0 0;
}

.ledger-body {
  font-size: 0.943rem;
  line-height: 1.66;
  color: var(--ink-3);
  margin: 0;
}

/* ---------- posts ---------- */

.posts { padding: 8px 0 0; }

.posts-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-2);
}

.posts-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.42rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.posts-head span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.post {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.post-date {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 0 0 10px;
}

.post-title {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 0 0 10px;
  max-width: 26ch;
  text-wrap: balance;
}

.post-title a { color: var(--ink); text-decoration: none; }
.post-title a:hover { color: var(--accent); }

.post-dek {
  font-size: 0.97rem;
  line-height: 1.65;
  color: var(--ink-3);
  margin: 0;
  max-width: 62ch;
}

.post-cta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  text-decoration: none;
  white-space: nowrap;
  padding-top: 20px;
  transition: color 0.15s ease;
}

.post:hover .post-cta { color: var(--accent); }

/* ---------- article ---------- */

.article-head {
  padding: 62px 0 0;
}

.article-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.15rem, 4.6vw, 3.1rem);
  line-height: 1.07;
  letter-spacing: -0.016em;
  margin: 0 0 22px;
  text-wrap: balance;
}

.article-dek {
  font-size: 1.14rem;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 30px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 44px;
}

.meta span { display: inline-flex; align-items: center; gap: 8px; }

.meta span + span::before {
  content: "";
  width: 3px;
  height: 3px;
  background: var(--line-2);
  border-radius: 50%;
}

.stamp {
  display: inline-block;
  transform: rotate(-1.6deg);
  border: 1px dashed var(--stamp);
  color: var(--stamp);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 2px;
  margin-bottom: 20px;
}

/* ---------- data table ---------- */

.table-wrap {
  overflow-x: auto;
  margin: 34px 0 12px;
  border-top: 1px solid var(--ink);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  background: transparent;
}

.data-table th {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  text-align: left;
  padding: 12px 16px 11px 0;
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}

.data-table td {
  padding: 15px 16px 15px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: baseline;
}

.data-table tr:last-child td { border-bottom: 1px solid var(--line-2); }

.data-table tbody tr { transition: background 0.12s ease; }
.data-table tbody tr:hover { background: var(--paper-2); }

.data-table .num {
  text-align: right;
  padding-right: 20px;
  font-feature-settings: "tnum" 1;
  white-space: nowrap;
}

.data-table th.num { text-align: right; }

.data-table .route { font-weight: 500; color: var(--ink); }

.data-table .unit {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-4);
  letter-spacing: 0.02em;
}

.data-table tr.is-cheapest td:first-child {
  box-shadow: inset 2px 0 0 var(--accent);
  padding-left: 14px;
}

.data-table tr.is-cheapest .route { color: var(--accent); font-weight: 600; }

.table-note {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  margin: 0 0 34px;
  text-transform: uppercase;
}

/* ---------- callouts ---------- */

.note {
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  padding: 22px 24px;
  margin: 34px 0;
  font-size: 1rem;
  line-height: 1.66;
  color: var(--ink-2);
}

.note p { margin: 0; font-size: inherit; color: inherit; }
.note p + p { margin-top: 12px; }
.note strong { color: var(--accent); }

.note--warn {
  background: var(--stamp-soft);
  border-left-color: var(--stamp);
}

.note--warn strong { color: var(--stamp); }

/* ---------- big figure ---------- */

.figure {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  margin: 38px 0;
}

.figure-num {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: lining-nums;
}

.figure-label {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--ink-3);
  margin: 0;
  max-width: 48ch;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--ink);
  color: #a9a294;
  margin-top: 96px;
  padding: 56px 0 44px;
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: #f4efe4;
  margin: 0 0 12px;
  letter-spacing: -0.005em;
}

.footer-line {
  margin: 0 0 6px;
  line-height: 1.62;
  color: #a9a294;
}

.footer-line--dim { color: #6f6a5d; font-size: 0.85rem; }

.footer-col p { margin: 0 0 10px; }

.footer-col a {
  color: #e8e2d4;
  text-decoration: none;
  border-bottom: 1px solid #3b372e;
  padding-bottom: 1px;
}

.footer-col a:hover { border-bottom-color: #a9a294; }

.footer-meta {
  grid-column: 1 / -1;
  border-top: 1px solid #2b2822;
  padding-top: 22px;
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8f8979;
}

/* ---------- component resets inside .prose ----------
   .prose p is (0,1,1) and would otherwise win against
   the single-class rules above, stretching every card. */

.prose .ledger-title,
.prose .ledger-label,
.prose .ledger-body { margin: 0; }

.prose .ledger-label { margin-top: 8px; }

.prose .figure-label {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--ink-3);
}

.prose .table-note {
  margin: 0 0 34px;
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--ink-4);
}


/* ---------- focus & accessibility ---------- */

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 100;
  font-size: 13px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .ledger-item { grid-template-columns: 34px 1fr; }
  .ledger-body { grid-column: 2 / -1; }
  .site-footer .wrap { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .wrap { padding: 0 20px; }
  .hero { padding: 52px 0 44px; }
  .hero-foot { margin-top: 26px; gap: 8px 16px; }
  .prose { padding-top: 44px; }
  .prose h2 { margin-top: 48px; }
  .site-header .wrap { min-height: 56px; }
  .brand-sub { display: none; }
  .site-nav { gap: 18px; }
  .post { grid-template-columns: 1fr; gap: 8px; }
  .post-cta { padding-top: 4px; }
  .article-head { padding-top: 44px; }
  .ledger-item { grid-template-columns: 1fr; gap: 4px; padding: 22px 0; }
  .ledger-body { grid-column: 1; }
  .ledger-num { padding-top: 0; }
  .meta { font-size: 9.5px; gap: 6px 12px; }
  .figure { grid-template-columns: 1fr; gap: 10px; }
  .data-table { font-size: 0.88rem; }
  .data-table th, .data-table td { padding-right: 10px; }
  .site-footer { margin-top: 64px; padding: 44px 0 36px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}