/* ============================================
   TravelPointsFamily — Design tokens
   Concept: airport departure board meets ledger.
   Ink navy + brass + paper, mono numerals for
   every stat, uppercase labels like a flight board.
   ============================================ */

:root {
  --ink: #0f1f35;
  --ink-soft: #1c3355;
  --paper: #f5f2ea;
  --paper-dim: #e9e4d6;
  --brass: #c9971f;
  --brass-bright: #e0b23e;
  --brick: #b0402a;
  --text-on-ink: #eef1f5;
  --text-on-ink-dim: #9fb0c8;
  --text-on-paper: #12203a;
  --text-on-paper-dim: #56617a;
  --rule: rgba(15, 31, 53, 0.14);
  --rule-on-ink: rgba(238, 241, 245, 0.18);

  --display: "Space Grotesk", "Arial Narrow", sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;

  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-on-paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; }

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

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

/* ---------- Nav ---------- */

.site-nav {
  background: var(--ink);
  color: var(--text-on-ink);
  border-bottom: 3px solid var(--brass);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1rem;
  text-decoration: none;
  color: var(--text-on-ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand .brand-code {
  background: var(--brass);
  color: var(--ink);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-on-ink-dim);
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.current {
  color: var(--text-on-ink);
  border-color: var(--brass);
}

.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--ink);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 3px solid var(--brass);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--rule-on-ink); }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--rule-on-ink);
    color: var(--text-on-ink);
    font-family: var(--mono);
    font-size: 0.8rem;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
  }
  .site-nav { position: relative; }
}

:focus-visible {
  outline: 2px solid var(--brass-bright);
  outline-offset: 2px;
}

/* ---------- Departure board (hero + comparison list) ---------- */

.board {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 64px 0 56px;
}

.board-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin: 0 0 14px;
}

.board h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.05;
  margin: 0 0 18px;
  max-width: 14ch;
}

.board .board-sub {
  color: var(--text-on-ink-dim);
  max-width: 52ch;
  font-size: 1.05rem;
  margin: 0 0 40px;
}

.board-table {
  border-top: 1px solid var(--rule-on-ink);
}

.board-row {
  display: grid;
  grid-template-columns: 84px 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 18px 4px;
  border-bottom: 1px solid var(--rule-on-ink);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
}

.board-row:hover,
.board-row:focus-visible {
  background: rgba(201, 151, 31, 0.08);
}

.board-row .flight-code {
  font-family: var(--mono);
  color: var(--brass-bright);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.board-row .route-name {
  font-family: var(--display);
  font-size: 1.15rem;
}

.board-row .route-sub {
  display: block;
  font-family: var(--body);
  font-size: 0.85rem;
  color: var(--text-on-ink-dim);
  margin-top: 3px;
}

.board-row .stat {
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--text-on-ink);
  text-align: right;
  white-space: nowrap;
}

.board-row .stat small {
  display: block;
  font-family: var(--body);
  font-size: 0.68rem;
  color: var(--text-on-ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
  text-align: right;
}

.board-row .arrow {
  font-family: var(--mono);
  color: var(--text-on-ink-dim);
  font-size: 1.1rem;
}

@media (max-width: 640px) {
  .board-row { grid-template-columns: 1fr auto; row-gap: 6px; }
  .board-row .flight-code { order: 1; }
  .board-row .route-name { order: 2; grid-column: 1 / -1; }
  .board-row .stat { order: 3; }
  .board-row .arrow { display: none; }
}

/* ---------- Sections on paper ---------- */

.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--rule);
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brick);
  margin: 0 0 12px;
}

.section h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 16px;
}

.section p.lede {
  max-width: 62ch;
  font-size: 1.05rem;
  color: var(--text-on-paper-dim);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

@media (max-width: 820px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ---------- Boarding pass card ---------- */

.pass {
  background: var(--ink);
  color: var(--text-on-ink);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
}

.pass::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 128px;
  width: 0;
  border-right: 2px dashed var(--rule-on-ink);
}

.pass-main {
  padding: 28px 28px 24px;
}

.pass-main .pass-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin: 0 0 10px;
}

.pass-main h3 {
  font-family: var(--display);
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.pass-main p {
  color: var(--text-on-ink-dim);
  margin: 0;
  font-size: 0.95rem;
}

.pass-stub {
  width: 128px;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.pass-stub .stub-code {
  font-family: var(--mono);
  font-size: 1.6rem;
  color: var(--brass-bright);
  letter-spacing: 0.03em;
}

.pass-stub .stub-label {
  font-family: var(--body);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-on-ink-dim);
}

/* ---------- Data table (math breakdowns) ---------- */

.ledger {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.95rem;
}

.ledger caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-on-paper-dim);
  margin-bottom: 10px;
}

.ledger th, .ledger td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}

.ledger thead th {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-on-paper-dim);
  border-bottom: 2px solid var(--ink);
}

.ledger td.num, .ledger th.num {
  font-family: var(--mono);
  text-align: right;
  white-space: nowrap;
}

.ledger tbody tr:last-child td { border-bottom: none; }

.ledger tbody tr.highlight td {
  background: rgba(201, 151, 31, 0.1);
  font-weight: 600;
}

/* ---------- Verdict callout ---------- */

.verdict {
  background: var(--paper-dim);
  border-left: 4px solid var(--brick);
  padding: 22px 26px;
  border-radius: 4px;
  margin: 32px 0;
}

.verdict .verdict-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brick);
  margin: 0 0 8px;
}

.verdict p { margin: 0; font-size: 1.02rem; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-brass {
  background: var(--brass);
  color: var(--ink);
}
.btn-brass:hover, .btn-brass:focus-visible { background: var(--brass-bright); }

.btn-outline {
  background: transparent;
  border-color: var(--rule-on-ink);
  color: var(--text-on-ink);
}
.btn-outline:hover, .btn-outline:focus-visible { border-color: var(--brass-bright); color: var(--brass-bright); }

/* ---------- Email capture band ---------- */

.capture {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 56px 0;
  text-align: center;
}

.capture h2 {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 10px;
}

.capture p {
  color: var(--text-on-ink-dim);
  margin: 0 0 28px;
}

.capture-form {
  display: flex;
  justify-content: center;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.capture-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 13px 16px;
  border-radius: 6px;
  border: 1px solid var(--rule-on-ink);
  background: var(--ink-soft);
  color: var(--text-on-ink);
  font-family: var(--body);
  font-size: 0.95rem;
}

.capture-form input[type="email"]::placeholder { color: var(--text-on-ink-dim); }

.capture-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-on-ink-dim);
  margin-top: 14px;
}

.capture-status {
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-top: 14px;
  color: var(--brass-bright);
  min-height: 1em;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: var(--text-on-ink-dim);
  padding: 32px 0;
  border-top: 1px solid var(--rule-on-ink);
  font-size: 0.85rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links a { text-decoration: none; color: var(--text-on-ink-dim); }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--brass-bright); }

.disclosure {
  max-width: var(--max);
  margin: 20px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid var(--rule-on-ink);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-on-ink-dim);
}

/* ---------- Page header (non-home pages) ---------- */

.page-head {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 44px 0 40px;
}

.page-head .board-eyebrow { margin-bottom: 10px; }

.page-head h1 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0 0 12px;
  max-width: 20ch;
}

.page-head p {
  color: var(--text-on-ink-dim);
  max-width: 56ch;
  margin: 0;
  font-size: 1rem;
}

.breadcrumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-on-ink-dim);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 18px;
}
.breadcrumb:hover { color: var(--brass-bright); }