/* ===================================================================
   routeloads — shared "Daylight" design system for content pages
   (Routes / Airports / Airlines / Methodology). Mirrors the homepage
   daylight aesthetic (index.html) but unscoped so standalone pages can
   reuse it. Tokens + header/nav + card/table/pills/search + footer.
   =================================================================== */
:root{
  --cream:#f7f5ef; --cream-2:#efece2; --paper:#ffffff;
  --ink:#191722; --ink-2:#494556; --muted:#928d9d; --muted-2:#b3aebc;
  --line:#e8e4d8; --line-soft:#f0ede3;
  --r1:#1b9a52; --r2:#62b048; --r3:#e6a216; --r4:#e65f2b; --r5:#d51c4e;
  --accent:#1b9a52; --accent-deep:#15803d;
  --shadow-sm: 0 1px 2px rgba(25,23,34,.05), 0 4px 10px rgba(25,23,34,.045);
  --shadow: 0 1px 2px rgba(25,23,34,.04), 0 10px 26px rgba(25,23,34,.07);
  --shadow-lg: 0 6px 16px rgba(25,23,34,.06), 0 30px 70px rgba(25,23,34,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--cream); color:var(--ink);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.mono{font-family:'Spline Sans Mono',monospace}
a{color:inherit}

/* faint background route web (optional; pages may include the same svg) */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5}
.bg svg{width:100%;height:100%;display:block}
.scrim{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg, rgba(247,245,239,.55) 0%, rgba(247,245,239,.10) 26%, rgba(247,245,239,.62) 100%);}

.page{position:relative;z-index:5;max-width:1320px;margin:0 auto;padding:0 56px}

/* ---- top bar / nav (matches homepage daylight header) ---- */
.topbar{display:flex;align-items:center;gap:30px;padding:22px 0 8px}
.wordmark{font-weight:800;font-size:23px;letter-spacing:-.025em;color:var(--ink);
  display:flex;align-items:center;text-decoration:none}
.wordmark .dot{color:var(--r5);font-size:27px;line-height:0;margin-left:1px}
.nav{display:flex;gap:30px;margin-left:18px}
.nav a{position:relative;color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:500;transition:color .15s;padding:4px 0}
.nav a:hover{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-1px;height:2px;border-radius:2px;background:var(--accent);transition:right .2s}
.nav a:hover::after,.nav a.active::after{right:0}
.nav a.active{color:var(--ink);font-weight:600}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:16px}
.btn{background:var(--ink);color:#fff;border:none;border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;
  letter-spacing:-.01em;display:inline-flex;align-items:center;gap:7px;text-decoration:none;
  box-shadow:0 3px 10px rgba(25,23,34,.22);transition:transform .12s, box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(25,23,34,.26)}
.btn svg{margin-right:-2px}
.btn.ghost{background:var(--paper);color:var(--ink-2);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn.ghost:hover{color:var(--ink);border-color:var(--muted-2)}

/* ---- page header (title block) ---- */
.pagehead{padding:34px 0 22px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:var(--paper);border:1px solid var(--line);
  border-radius:999px;padding:7px 15px 7px 12px;font-size:13px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-sm);margin-bottom:22px}
.eyebrow .live{position:relative;width:8px;height:8px}
.eyebrow .live i{position:absolute;inset:0;border-radius:50%;background:var(--r1)}
.eyebrow .live::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--r1);opacity:.22;animation:dl-pulse 2.4s ease-out infinite}
@keyframes dl-pulse{0%{transform:scale(.6);opacity:.4}100%{transform:scale(1.5);opacity:0}}
.eyebrow b{color:var(--ink);font-weight:700}
.eyebrow .sep{width:3px;height:3px;border-radius:50%;background:var(--muted-2)}
.pagehead h1{font-size:46px;line-height:1.04;letter-spacing:-.035em;font-weight:800;color:var(--ink)}
.pagehead .sub{margin-top:16px;font-size:18px;line-height:1.55;color:var(--ink-2);max-width:54ch;font-weight:450}
.pagehead .sub b{color:var(--ink);font-weight:600}

/* ---- card ---- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px}
.card.tight{padding:16px}

/* ---- controls bar (search + metric pills + sort) ---- */
.controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.search{display:flex;align-items:center;gap:11px;background:var(--paper);border:1px solid var(--line);
  border-radius:14px;padding:8px 8px 8px 15px;box-shadow:var(--shadow-sm);transition:border-color .15s, box-shadow .15s;min-width:280px;flex:1}
.search:focus-within{border-color:var(--accent);box-shadow:var(--shadow-sm), 0 0 0 4px rgba(27,154,82,.12)}
.search svg{flex:0 0 auto}
.search input{flex:1;border:none;outline:none;font-family:inherit;font-size:15px;color:var(--ink);background:transparent;font-weight:500}
.search input::placeholder{color:var(--muted);font-weight:450}
.search .go{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:9px 16px;font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s}
.search .go:hover{background:var(--accent-deep)}
.pills{display:flex;gap:6px;flex-wrap:wrap;background:var(--cream-2);border:1px solid var(--line);border-radius:999px;padding:4px}
.bp{appearance:none;border:none;background:transparent;color:var(--ink-2);border-radius:999px;
  padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;letter-spacing:-.01em;transition:background .14s,color .14s}
.bp:hover{color:var(--ink)}
.bp.on{background:var(--ink);color:#fff;box-shadow:0 2px 6px rgba(25,23,34,.18)}
.seg{display:inline-flex;background:var(--cream-2);border:1px solid var(--line);border-radius:999px;padding:4px}
.seg button{appearance:none;border:none;background:transparent;color:var(--ink-2);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .14s,color .14s}
.seg button.on{background:var(--paper);color:var(--ink);box-shadow:var(--shadow-sm)}

/* ---- data table ---- */
.dtable{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.dtable thead th{font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);
  text-align:left;padding:0 14px 12px;border-bottom:1px solid var(--line);white-space:nowrap;cursor:default}
.dtable thead th.num{text-align:right}
.dtable thead th.sortable{cursor:pointer;user-select:none}
.dtable thead th.sortable:hover{color:var(--ink-2)}
.dtable thead th .arr{opacity:.6;font-size:9px;margin-left:3px}
.dtable tbody td{padding:13px 14px;border-bottom:1px solid var(--line-soft);font-size:14px;color:var(--ink);vertical-align:middle}
.dtable tbody tr:last-child td{border-bottom:none}
.dtable tbody tr.clk{cursor:pointer;transition:background .12s}
.dtable tbody tr.clk:hover{background:var(--cream)}
.dtable .rk{color:var(--muted-2);font-weight:700;font-size:12.5px;width:30px;text-align:right;font-family:'Spline Sans Mono',monospace}
.dtable .pair{font-family:'Spline Sans Mono',monospace;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.dtable .pair small{color:var(--muted);font-weight:500;margin:0 4px}
.dtable .city{font-size:12px;color:var(--muted);font-weight:500;margin-top:2px}
.dtable .num{text-align:right;font-variant-numeric:tabular-nums}
.dtable .soft{color:var(--muted)}
.dtable .nm{font-weight:600;color:var(--ink)}
.dtable .code{font-family:'Spline Sans Mono',monospace;font-weight:700;color:var(--ink);letter-spacing:-.02em}

/* horizontal meter cell (load/fare/ontime bar) */
.meter{position:relative;height:8px;border-radius:5px;background:var(--line-soft);min-width:120px;width:100%;overflow:hidden}
.meter i{position:absolute;left:0;top:0;bottom:0;border-radius:5px;min-width:6px}
.barcell{display:flex;align-items:center;gap:12px}
.barcell .meter{flex:1}
.barcell .v{width:58px;text-align:right;font-weight:700;font-size:13.5px;font-variant-numeric:tabular-nums;flex:0 0 auto}

/* EMPTY -> FULL scale legend */
.scale{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--muted);margin:2px 0 14px}
.scale .bar{flex:1;height:6px;border-radius:4px;background:linear-gradient(90deg,#1b9a52,#62b048,#e6a216,#e65f2b,#d51c4e)}

/* badges / tags */
.badge{font-family:'Spline Sans Mono',monospace;background:var(--cream-2);border:1px solid var(--line);border-radius:6px;padding:3px 8px;font-size:11px;color:var(--ink-2);font-weight:600;display:inline-block}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;border-radius:999px;padding:5px 11px;background:rgba(27,154,82,.10);color:var(--r1)}
.chip{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:12.5px;font-weight:600;color:var(--ink-2);
  cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;transition:border-color .15s,color .15s,transform .12s;
  font-family:'Spline Sans Mono',monospace;letter-spacing:-.02em}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}

/* prose (methodology) */
.prose{max-width:760px}
.prose h2{font-size:24px;font-weight:800;letter-spacing:-.025em;color:var(--ink);margin:40px 0 14px}
.prose h3{font-size:16px;font-weight:700;color:var(--ink);margin:24px 0 8px}
.prose p{font-size:16px;line-height:1.7;color:var(--ink-2);margin:0 0 14px;max-width:68ch}
.prose p b{color:var(--ink);font-weight:600}
.prose ul{margin:0 0 16px 0;padding-left:0;list-style:none}
.prose li{position:relative;font-size:15.5px;line-height:1.65;color:var(--ink-2);padding-left:22px;margin-bottom:9px;max-width:66ch}
.prose li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose a.link{color:var(--accent);font-weight:600;text-decoration:none;border-bottom:1px solid rgba(27,154,82,.3)}
.prose a.link:hover{border-bottom-color:var(--accent)}
.defcard{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);padding:18px 20px;margin:14px 0}
.defcard h3{margin-top:0}
.defgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}

/* states */
.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:14px}
.spin{display:inline-block;width:18px;height:18px;border:2.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;vertical-align:middle}
@keyframes sp{to{transform:rotate(360deg)}}

/* footer */
.foot{margin-top:46px;padding:26px 0 50px;border-top:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12.5px;font-weight:500}
.foot .badge{margin:0}
.foot .spacer{flex:1}
.foot a{color:var(--ink-2);text-decoration:none;font-weight:600}
.foot a:hover{color:var(--ink)}

/* responsive */
@media (max-width:980px){
  .page{padding:0 28px}
  .nav{display:none}
  .pagehead h1{font-size:36px}
  .dtable .hidemob{display:none}
}
@media (max-width:560px){
  .page{padding:0 18px}
  .topbar{gap:14px}
  .pagehead h1{font-size:30px}
  .controls{gap:10px}
  .search{min-width:100%}
  .dtable thead th,.dtable tbody td{padding-left:8px;padding-right:8px}
}