/* PlaneToTrain v2 — patterns adapted from the design resources in ~/.claude/CLAUDE.md:
   Magic UI: Dot Pattern, Word Rotate, Marquee, Bento Grid, Border Beam, Blur Fade, Scroll Progress
   React Bits: Spotlight Card · uiverse.io: glow search input, pill buttons, segmented filter
   Mobbin (Citymapper-style route summaries): the airport → city route strip */
:root{
  --ink:#0c1424; --ink-2:#38465a; --muted:#6a778a; --line:#e6e8ec; --line-2:#d9dde4;
  --bg:#f6f5f2; --card:#ffffff; --night:#0b1220; --night-2:#121b2e;
  --brand:#2563eb; --brand-2:#60a5fa; --brand-ink:#1d4ed8;
  --amber:#f59e0b; --good:#047857; --good-bg:#e7f6ef; --warn:#8a5a00; --warn-bg:#fff7e6;
  --r:18px; --r-sm:12px;
  --shadow:0 1px 2px rgba(12,20,36,.05),0 10px 30px -12px rgba(12,20,36,.18);
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.6 var(--sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--brand-ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
[hidden]{display:none!important}

/* ---------- header (glass nav) + scroll progress */
.top{position:sticky;top:0;z-index:30;background:rgba(246,245,242,.78);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid rgba(12,20,36,.06)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.3px}
.logo:hover{text-decoration:none}
.logo svg{width:30px;height:30px}
.top nav{display:flex;gap:6px}
.top nav a{color:var(--ink-2);font-weight:500;font-size:15px;padding:8px 12px;border-radius:999px}
.top nav a:hover{background:rgba(12,20,36,.06);text-decoration:none}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--amber))}

/* ---------- dark hero with dot pattern (home) */
.hero-home{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 50% -10%,#1d3b8a 0%,rgba(29,59,138,0) 60%),var(--night);color:#fff}
.dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%)}
.hero-home .wrap{position:relative;padding-top:88px;padding-bottom:72px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.3px;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#dbe5ff}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.18)}
.hero-home h1{font-size:clamp(38px,6.4vw,76px);line-height:1.02;letter-spacing:-2px;margin:22px auto 16px;font-weight:700;max-width:900px}
.rotate{display:inline-block;position:relative;color:#ffd58a;min-width:3ch;transition:opacity .35s,transform .35s,filter .35s}
.rotate.out{opacity:0;transform:translateY(-.35em);filter:blur(6px)}
.rotate.pre{opacity:0;transform:translateY(.35em);filter:blur(6px);transition:none}
.hero-home .lede{font-size:clamp(17px,2vw,20px);color:#c7d2e6;max-width:640px;margin:0 auto}

/* glow search (uiverse-style) */
.search{position:relative;max-width:640px;margin:34px auto 0}
.search::before{content:"";position:absolute;inset:-2px;border-radius:18px;background:linear-gradient(120deg,var(--brand),#a78bfa,var(--amber),var(--brand));background-size:300% 100%;
  opacity:.55;filter:blur(10px);transition:opacity .3s;animation:hue 8s linear infinite}
.search:focus-within::before{opacity:1}
@keyframes hue{to{background-position:300% 0}}
.search input{position:relative;width:100%;font:inherit;font-size:18px;padding:18px 70px 18px 54px;border-radius:16px;border:1px solid rgba(255,255,255,.2);background:#fff;color:var(--ink);outline:none}
.search svg{position:absolute;left:19px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--muted);z-index:1}
.search kbd{position:absolute;right:16px;top:50%;transform:translateY(-50%);font:600 12px var(--sans);color:var(--muted);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:6px;padding:2px 7px;background:#fafafa}
.quick{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px;font-size:14px;color:#9fb0cc}
.quick a{color:#e6ecf7;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 12px}
.quick a:hover{background:rgba(255,255,255,.08);text-decoration:none}

/* marquee of routes */
.marquee{position:relative;overflow:hidden;padding:18px 0;background:#fff;border-bottom:1px solid var(--line);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq-row{display:flex;gap:12px;width:max-content;animation:mq 60s linear infinite}
.mq-row.rev{animation-direction:reverse;margin-top:12px}
.marquee:hover .mq-row{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.route{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:8px 14px 8px 8px;color:var(--ink);font-size:14px}
.route:hover{border-color:var(--brand);text-decoration:none}
.route b{font-size:12px;letter-spacing:.6px;background:var(--night);color:#fff;border-radius:999px;padding:4px 8px}
.route em{font-style:normal;color:var(--good);font-weight:600}

/* sections */
section.block{padding:56px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.8px;line-height:1.1;margin:0}
.sec-head p{margin:6px 0 0;color:var(--muted)}

/* bento (home "why") */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:14px}
.tile{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.tile.wide{grid-column:span 2}
.tile.dark{background:var(--night);color:#fff;border-color:transparent}
.tile.dark p{color:#b8c4d8}
.tile h3{margin:0 0 6px;font-size:18px;letter-spacing:-.2px}
.tile p{margin:0;color:var(--muted);font-size:15px}
.tile .big{font-family:var(--serif);font-style:italic;font-size:64px;line-height:1;margin-bottom:8px}

/* segmented region filter */
.seg{display:flex;gap:4px;flex-wrap:wrap;background:#ebe9e4;border-radius:999px;padding:4px}
.seg button{font:500 14px var(--sans);border:0;background:transparent;color:var(--ink-2);padding:7px 14px;border-radius:999px;cursor:pointer}
.seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}

/* spotlight cards (React Bits Spotlight Card / Magic UI Magic Card) */
.spot{position:relative;isolation:isolate}
.spot::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .25s;z-index:-1;
  background:radial-gradient(360px circle at var(--x,50%) var(--y,50%),rgba(37,99,235,.10),transparent 60%)}
.spot:hover::after{opacity:1}
.dir{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.ap{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;color:var(--ink);transition:border-color .2s,transform .2s,box-shadow .2s}
.ap:hover{border-color:#bcd0fb;transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}
.ap .code{font:700 13px var(--sans);letter-spacing:.8px;background:var(--night);color:#fff;border-radius:10px;padding:8px 0;width:54px;text-align:center;flex:none}
.ap .t{font-weight:600;line-height:1.25;display:block}
.ap .s{font-size:13px;color:var(--muted);line-height:1.35;display:block}
.ap .p{font-size:13px;color:var(--good);font-weight:600;display:block;margin-top:2px}
.region{margin:30px 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted);font-weight:600}
.empty{color:var(--muted);padding:16px 0}

/* ---------- guide hero */
.hero{position:relative;color:#fff;background:var(--night);overflow:hidden}
.hero > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.25) 0%,rgba(11,18,32,.88) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:56px;padding-bottom:40px}
.crumbs{font-size:14px;color:#c9d3e3;margin-bottom:18px}
.crumbs a{color:#fff}
.hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.06;margin:0 0 16px;letter-spacing:-1.2px;max-width:900px;font-weight:700}
.hero h1 .pre{display:block;font-size:.42em;letter-spacing:.2px;font-weight:500;color:#c9d3e3;margin-bottom:10px}
.hero .lede{font-size:18px;max-width:760px;margin:0;color:#e3e9f3}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{background:rgba(255,255,255,.12);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:500}
.chip b{color:#ffd58a;font-weight:600}

/* route strip (Citymapper-style, animated beam) */
.strip{display:flex;align-items:center;gap:14px;margin:4px 0 26px;max-width:760px}
.node{flex:none;display:flex;flex-direction:column;align-items:flex-start;font-size:12px;color:#c9d3e3;line-height:1.2}
.node b{font-size:15px;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:6px 10px;margin-bottom:4px}
.line{position:relative;flex:1;height:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.45) 0 8px,transparent 8px 14px);min-width:60px}
.line::after{content:"";position:absolute;top:50%;left:0;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:#ffd58a;box-shadow:0 0 14px 4px rgba(255,213,138,.55);animation:beam 3.2s ease-in-out infinite}
@keyframes beam{0%{left:0;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:calc(100% - 10px);opacity:0}}
.line span{position:absolute;left:50%;top:-30px;transform:translateX(-50%);white-space:nowrap;font-size:13px;font-weight:600;background:var(--night-2);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 10px}

/* notice */
.notice{background:var(--warn-bg);color:var(--warn);border:1px solid #f3dca8;border-radius:var(--r-sm);padding:14px 16px;margin:28px 0 0;font-size:15px}

/* compare: bento + border beam */
.cards{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:16px}
.cards .card:first-child{grid-row:span 2}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column}
.card.na{opacity:.75}
.card.beam{border-color:transparent}
.card.beam::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1.5px;pointer-events:none;
  background:conic-gradient(from var(--a,0deg),transparent 0 70%,var(--brand) 80%,var(--amber) 90%,transparent 100%),linear-gradient(var(--line),var(--line));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spin 6s linear infinite}
@property --a{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes spin{to{--a:360deg}}
.card-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex:none}
.ico svg{width:24px;height:24px}
.ico.transit{background:#e8efff;color:var(--brand)}
.ico.taxi{background:#fff3d6;color:#b7791f}
.ico.ride{background:#efeafe;color:#6d4fe0}
.card h3{margin:0;font-size:19px;letter-spacing:-.2px;line-height:1.25}
.badge{display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:3px 9px;margin:4px 4px 0 0}
.badge.cheap{background:var(--good-bg);color:var(--good)}
.badge.fast{background:#e8efff;color:var(--brand-ink)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 16px}
.stat{background:var(--bg);border-radius:var(--r-sm);padding:12px 14px}
.stat .k{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);font-weight:600}
.stat .v{font-size:16px;font-weight:600;line-height:1.35;margin-top:3px}
.stat .v small{display:block;font-size:12.5px;font-weight:400;color:var(--muted);margin-top:3px}
dl.facts{margin:0 0 16px}
dl.facts dt{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);font-weight:600;margin-top:12px}
dl.facts dd{margin:3px 0 0;color:var(--ink-2);font-size:15px}
.links{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);background:#fff;color:var(--ink);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:500;transition:all .2s}
.btn:hover{border-color:var(--ink);background:var(--ink);color:#fff;text-decoration:none}

/* verdict + article */
.verdict{position:relative;margin-top:22px;background:var(--night);color:#fff;border-radius:var(--r);padding:26px clamp(20px,4vw,36px);overflow:hidden}
.verdict::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:18px 18px;-webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent 30%,#000)}
.verdict .k{position:relative;font-size:12px;text-transform:uppercase;letter-spacing:1.4px;color:#ffd58a;font-weight:600}
.verdict p{position:relative;margin:8px 0 0;font-size:clamp(18px,2.1vw,22px);line-height:1.5;max-width:860px}
.article{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:16px}
.article > div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px}
.article h3{margin:0 0 8px;font-size:18px;letter-spacing:-.2px}
.article p{margin:0;color:var(--ink-2)}

/* FAQ accordion */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.faq details{border-top:1px solid var(--line)}
.faq details:first-child{border-top:0}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 22px 18px;color:var(--ink-2)}

/* blur fade on scroll */
.fade{opacity:0;transform:translateY(14px);filter:blur(6px);transition:opacity .7s ease,transform .7s ease,filter .7s ease}
.fade.in{opacity:1;transform:none;filter:none}

/* about */
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px clamp(20px,4vw,40px)}
.prose h3{margin:22px 0 6px;font-size:20px}
.prose h3:first-child{margin-top:0}
.prose p{margin:0 0 12px;color:var(--ink-2);max-width:70ch}

/* footer */
footer.foot{margin-top:72px;background:var(--night);color:#9aa8bd;font-size:14px}
footer.foot .wrap{padding-top:48px;padding-bottom:40px}
.foot-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.foot-top .logo{color:#fff}
.foot-top p{max-width:420px;margin:8px 0 0}
footer.foot a{color:#dce4f0}
.foot-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:24px}
.foot-cols h4{margin:0 0 8px;color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:1.2px}
.foot-cols a{display:block;padding:2px 0}
.foot-meta{border-top:1px solid #1e2a40;margin-top:32px;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 22px}

@media (max-width:900px){
  .bento{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .cards .card:first-child{grid-row:auto}
}
@media (max-width:560px){
  .bento{grid-template-columns:1fr}
  .tile.wide{grid-column:auto}
  .top nav a{padding:8px 8px;font-size:14px}
  .hero-home .wrap{padding-top:56px;padding-bottom:48px}
  .search input{font-size:16px;padding-right:18px}
  .search kbd{display:none}
  .strip{gap:8px}
  .line span{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .fade{opacity:1;transform:none;filter:none}
}

/* guide hero without a photo: dot pattern + giant airport code */
.hero .dots{z-index:0}
.code-art{position:absolute;right:-2vw;bottom:-6vw;font:700 clamp(140px,26vw,360px)/1 var(--sans);letter-spacing:-.04em;color:transparent;
  -webkit-text-stroke:1.5px rgba(255,255,255,.12);user-select:none;pointer-events:none}
.hero:has(.code-art){background:radial-gradient(900px 400px at 15% 0%,#1d3b8a 0%,rgba(29,59,138,0) 60%),var(--night)}