/* JetSet Authority. Navy, white and runway-light amber. System fonts only. */
:root{
  --bg:#f4f6fa;--fg:#0f1b2d;--muted:#56667d;--line:#dbe2ec;--card:#fff;--card2:#eef2f8;
  --navy:#0b1d39;--navy2:#132c55;--navy3:#1d3c6b;--amber:#ffb627;--amber-ink:#a8600a;--link:#1d5fbf;
  --good:#1f8a5b;--bad:#c2410c;--shadow:0 1px 2px rgba(10,25,50,.06),0 10px 26px rgba(10,25,50,.08);
  --sea:#0e2a52;--land:#2a4f86;--landline:#4b74ad;--grat:rgba(255,255,255,.07);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#07101f;--fg:#e7eef9;--muted:#9db0c9;--line:#1d2c45;--card:#0d1a30;--card2:#122340;--link:#8cc2ff;--amber-ink:#ffc24d;
  --shadow:0 1px 2px rgba(0,0,0,.5)}}
:root[data-theme="dark"]{
  --bg:#07101f;--fg:#e7eef9;--muted:#9db0c9;--line:#1d2c45;--card:#0d1a30;--card2:#122340;--link:#8cc2ff;--amber-ink:#ffc24d;
  --shadow:0 1px 2px rgba(0,0,0,.5)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;overflow-x:hidden}
a{color:var(--link)}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.small{font-size:.87rem}.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;z-index:50;background:var(--card);padding:6px 10px}
h1,h2,h3{line-height:1.15;letter-spacing:-.015em}
h1{font-size:clamp(1.9rem,4.4vw,3rem);margin:.15em 0 .3em;font-weight:800}
h2{font-size:1.45rem;margin:40px 0 12px;font-weight:750}
h3{font-size:1.08rem;margin:22px 0 8px}
.code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-weight:700;letter-spacing:.04em}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.u-mi{display:none}.u-mi-on .u-km{display:none}.u-mi-on .u-mi{display:inline}
.nm{color:var(--muted)}

/* header */
.top{position:sticky;top:0;z-index:30;background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:1.15rem;color:#fff;text-decoration:none;margin-right:auto;letter-spacing:-.01em}
.brand b{color:var(--amber);font-weight:800}
.top nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.top nav a{text-decoration:none;color:rgba(255,255,255,.82);font-weight:550;font-size:.95rem}
.top nav a:hover{color:var(--amber)}
.units{border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:999px;padding:3px 12px;font:inherit;font-weight:700;cursor:pointer;font-size:.9rem}
.units:hover{border-color:var(--amber);color:var(--amber)}

/* hero */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;overflow:hidden;padding:28px 0 26px}
.hero a{color:#fff}
.hero .crumbs,.hero .crumbs a{color:rgba(255,255,255,.75)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:700;color:var(--amber);margin:14px 0 0}
.lede{color:rgba(255,255,255,.88);max-width:760px;font-size:1.1rem;margin:0 0 14px}
.lede-dark{font-size:1.1rem;max-width:800px;color:var(--muted)}
.hero h1 .code{color:var(--amber)}
.hero h1 .to{color:rgba(255,255,255,.5);font-weight:400;margin:0 .15em}
.hero-home{padding:70px 0 60px;min-height:440px;display:flex;align-items:center}
.hero-home h1{font-size:clamp(2.6rem,7vw,4.6rem);margin:.1em 0 .2em}
.hero-map{position:absolute;inset:0;opacity:.9}
.hero-map svg{width:100%;height:100%}
.hero-home .hero-text{position:relative}
.hero-home::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,29,57,.92) 0%,rgba(11,29,57,.55) 55%,rgba(11,29,57,.15) 100%);pointer-events:none}
.hero-home .hero-text{z-index:2}
.hero-airport.has-photo{min-height:430px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:6px}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,16,31,.35) 0%,rgba(7,16,31,.35) 35%,rgba(7,16,31,.88) 100%)}
.hero-text{position:relative;width:100%}
.credit{position:relative;font-size:.72rem;color:rgba(255,255,255,.7);margin:8px auto 0}
.credit a{color:rgba(255,255,255,.82)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-top:16px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:10px 14px;backdrop-filter:blur(6px)}
.stat-k{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:rgba(255,255,255,.72)}
.stat-v{display:block;font-size:1.45rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.25;color:#fff}
.stat-s{display:block;font-size:.8rem;color:rgba(255,255,255,.7)}
.clock .stat-v{color:var(--amber)}

/* maps */
.mapband{background:var(--navy2);padding:0 0 18px}
.mapfig{margin:0}
.mapfig svg{width:100%;height:auto;display:block;border-radius:12px}
.mapfig figcaption{font-size:.8rem;color:rgba(255,255,255,.65);margin-top:8px}
.mapfig.navy{background:var(--navy);border-radius:14px;padding:6px}
.map .sea{fill:var(--sea)}
.map .land{fill:var(--land);stroke:var(--landline);stroke-width:.6;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.map .grat{fill:none;stroke:var(--grat);stroke-width:1;vector-effect:non-scaling-stroke}
.map .arc{fill:none;stroke:var(--amber);stroke-linecap:round}
.map .arc-glow{fill:none;stroke:rgba(255,182,39,.22);stroke-linecap:round}
.map .arc.thin{stroke-width:1.4;opacity:.75}
.map .arc.faint{stroke:rgba(255,255,255,.13);stroke-width:.8}
.map .arc.hot{stroke:var(--amber);stroke-width:1.8;opacity:.9}
.map .plane{fill:#fff}
.map .ep{fill:#fff;stroke:var(--amber);stroke-width:2.5}
.map .ep-lab{fill:#fff;font-weight:800;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:22px;paint-order:stroke;stroke:var(--sea);stroke-width:5px;stroke-linejoin:round}
.map .ep-sub{fill:rgba(255,255,255,.85);font-size:14px;paint-order:stroke;stroke:var(--sea);stroke-width:4px;stroke-linejoin:round}
.map .ap-dot{fill:rgba(255,255,255,.35)}
.map .hub{fill:#9fd0ff}
.map .hub-lab{fill:#cfe6ff;font-size:13px;font-weight:700;font-family:ui-monospace,Menlo,Consolas,monospace;paint-order:stroke;stroke:var(--sea);stroke-width:3px}
.map .reach{fill:var(--amber)}.map .noreach{fill:rgba(255,255,255,.18)}
.home-map .hub{fill:rgba(255,255,255,.5)}

/* runway diagram */
.rwfig{margin:0;background:var(--navy);border-radius:14px;padding:6px}
.rwfig figcaption{font-size:.78rem;color:rgba(255,255,255,.65);padding:6px 8px 4px}
.rwy{width:100%;height:auto;display:block;border-radius:10px}
.rw-bg{fill:#0d2347}
.rw-grid{stroke:rgba(255,255,255,.06)}
.rw{stroke:rgba(255,255,255,.35);stroke-width:1;vector-effect:non-scaling-stroke}
.rw-asp{fill:#aeb9c9}.rw-con{fill:#e3e9f1}.rw-grass{fill:#5fae6c}.rw-grav{fill:#b9a07a}.rw-other{fill:#9aa6b6}
.rw-cl{stroke:#fff;opacity:.8}
.rw-thr{stroke:var(--amber);stroke-linecap:round}
.rw-lab{fill:#fff;font-weight:800;font-family:ui-monospace,Menlo,Consolas,monospace;paint-order:stroke;stroke:#0d2347;stroke-linejoin:round}
.rw-scale rect{fill:#fff}.rw-scale rect.half{fill:var(--amber)}
.rw-scale text{fill:rgba(255,255,255,.85)}
.rw-north path{fill:var(--amber)}.rw-north text{fill:#fff;font-size:14px;font-weight:800}

/* sections */
.sec{margin:8px 0 22px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.crumbs{font-size:.88rem;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.hero .crumbs{margin-top:0}
.note{background:var(--card2);border-left:4px solid var(--amber);border-radius:8px;padding:12px 16px}
.note.warn{border-left-color:var(--bad)}
.prose{max-width:820px}
.formula{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;overflow-x:auto}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.toc a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px 12px;text-decoration:none;font-size:.9rem}

/* direction cards */
.dirs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dir{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.dir::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--amber)}
.dir h3{margin:0;font-size:1.05rem}
.dir .big{font-size:2.1rem;font-weight:800;margin:2px 0;font-variant-numeric:tabular-nums}
.dir .ex{margin:8px 0 0}
.dd{background:var(--amber);color:#2a1a00;border-radius:6px;padding:0 6px;font-size:.8rem;font-weight:700}
.deptime{margin:8px 0 0;font-size:.9rem}
.deptime input,.calc input,.filter input{font:inherit;border:1px solid var(--line);border-radius:8px;padding:6px 10px;background:var(--card);color:var(--fg)}
.jet{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px}

/* tables */
.kv{border-collapse:collapse;width:100%}
.kv th{text-align:left;font-weight:600;color:var(--muted);padding:7px 12px 7px 0;vertical-align:top;width:38%;border-bottom:1px solid var(--line)}
.kv td{padding:7px 0;border-bottom:1px solid var(--line)}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data{border-collapse:collapse;width:100%;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.data th{text-align:left;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--card2);padding:9px 12px;white-space:nowrap}
.data th.num{text-align:right}
.data td{padding:8px 12px;border-top:1px solid var(--line);vertical-align:top}
.data tr.unused td{opacity:.6}
.data td.bad{color:var(--bad);font-weight:700}
.sortable th{cursor:pointer}.sortable th[aria-sort]::after{content:" ▾";color:var(--amber-ink)}.sortable th[aria-sort="ascending"]::after{content:" ▴"}
.ranked td:first-child{color:var(--muted);font-variant-numeric:tabular-nums;width:2.5em}

/* cards */
.rcards{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.rcards>*{flex:0 1 calc((100% - 3*12px)/4);min-width:0}/* 4 / 2 columns, short last row centred (PARK-56) */
.rcard{display:flex;flex-direction:column;gap:2px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--fg);box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.rcard:hover{transform:translateY(-2px);border-color:var(--amber)}
.rc-codes{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:800;font-size:1.25rem;letter-spacing:.05em}
.rc-codes i{font-style:normal;color:var(--amber-ink);margin:0 .3em;font-weight:400}
.rc-cities{color:var(--muted);font-size:.92rem}
.rc-nums{font-size:.92rem}
.apcards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.apcard{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--fg);box-shadow:var(--shadow)}
.apcard img,.apcard .noimg{width:160px;height:110px;object-fit:cover;flex:none;background:linear-gradient(135deg,var(--navy2),var(--navy3))}
.apc-body{padding:10px 12px 10px 0;display:flex;flex-direction:column;gap:2px}
.apc-body .code{color:var(--amber-ink)}
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tool{background:var(--navy);color:#fff;border-radius:14px;padding:18px;text-decoration:none;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow)}
.tool b{font-size:1.1rem}.tool span{color:rgba(255,255,255,.78);font-size:.93rem}
.tool-ico{font-size:1.6rem;color:var(--amber)!important}
.tool:hover{background:var(--navy2)}
.lcards{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.lcards>*{flex:0 1 calc((100% - 3*12px)/4);min-width:0}/* 4 / 2 / 1 columns, short last row centred (PARK-56) */
@media (max-width:820px){.lcards>*{flex-basis:calc((100% - 12px)/2)}}
@media (max-width:560px){.lcards>*{flex-basis:100%}}
.lcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--fg);display:flex;flex-direction:column;gap:4px}
.lcard span{color:var(--muted);font-size:.9rem}.lcard:hover{border-color:var(--amber)}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chips a{display:inline-block;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px 11px;text-decoration:none;font-size:.9rem}
.reach{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
.reach div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}
.reach b{display:block;font-size:1.5rem;color:var(--amber-ink)}.reach span{font-size:.8rem;color:var(--muted)}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;border-radius:10px;padding:9px 16px;font-weight:700;border:0;font:inherit;font-weight:700;cursor:pointer}
.btn-amber{background:var(--amber);color:#1d1300}
.btn:hover{filter:brightness(1.1)}
.vstats{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:10px 0 16px}
.vstats>*{flex:0 1 calc((100% - 4*10px)/5);min-width:0}/* 5 tiles: 5 / 3 / 2 columns, short last row centred (PARK-56) */
@media (max-width:700px){.vstats>*{flex-basis:calc((100% - 2*10px)/3)}}
@media (max-width:440px){.vstats>*{flex-basis:calc((100% - 10px)/2)}}
.vstats div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.vstats b{display:block;font-size:1.5rem;color:var(--amber-ink)}.vstats span{font-size:.85rem;color:var(--muted)}
details summary{cursor:pointer}
.freqs summary h2{display:inline;margin:0}

/* airports index */
.aplist{list-style:none;padding:0;margin:0;columns:3 260px;column-gap:24px}
.aplist li{break-inside:avoid;padding:3px 0}
.aplist a{text-decoration:none;color:var(--fg)}.aplist a:hover .code{color:var(--amber-ink)}
.aplist .code{color:var(--link)}
.country h3{font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 4px}
.filter{margin:14px 0;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.filter input{min-width:280px;max-width:100%}

/* calculator */
.calc{margin:18px 0 6px}
.calc-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.calc label{display:flex;flex-direction:column;gap:3px;flex:1 1 210px;position:relative}
.calc label>span{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--muted)}
.hero .calc label>span{color:rgba(255,255,255,.75)}
.calc input.ac,.calc input[type=time]{padding:11px 12px;font-size:1.05rem;border-radius:10px;width:100%}
.hero .calc input{border-color:transparent}
.calc .swap{flex:none;height:46px;width:46px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:1.2rem;cursor:pointer}
.hero .calc .swap{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.25)}
.calc .btn{height:46px}
.c-dep{flex:0 1 150px!important}
.x-hours{flex:1 1 260px!important}.x-hours input{width:100%;accent-color:var(--amber)}
.x-major{flex:0 1 auto!important;flex-direction:row!important;align-items:center;gap:6px!important;font-size:.95rem;padding-bottom:12px}
.x-hours output{color:var(--amber-ink);font-weight:800;font-size:1rem;letter-spacing:0;text-transform:none}
.acl{position:absolute;left:0;right:0;top:100%;z-index:40;background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.25);margin:4px 0 0;padding:4px;list-style:none;max-height:320px;overflow:auto}
.acl li{padding:7px 10px;border-radius:7px;cursor:pointer;display:flex;gap:8px;align-items:baseline;font-size:.95rem;text-transform:none;letter-spacing:0;font-weight:400}
.acl li .code{color:var(--amber-ink);min-width:3.2em}
.acl li small{color:var(--muted);margin-left:auto;text-align:right}
.acl li[aria-selected="true"],.acl li:hover{background:var(--card2)}
.calc-out{margin:14px 0}
.calc-out .stats .stat{background:var(--navy);border-color:var(--navy2)}
.calc-out p{margin:8px 0}
#x-out .xl{columns:3 240px;column-gap:20px;padding:0;list-style:none}
#x-out .xl li{break-inside:avoid;padding:2px 0;font-size:.93rem}

/* footer */
.foot{margin-top:56px;background:var(--navy);color:rgba(255,255,255,.78);padding:26px 0 30px;font-size:.88rem}
.foot a{color:#fff}
.foot-brand{display:flex;align-items:center;gap:8px;color:#fff;font-size:1rem}

@media (max-width:820px){
  .grid2,.dirs,.apcards,.tools{grid-template-columns:1fr}
  .grid2{gap:0}
  .hero-home{padding:44px 0 36px;min-height:0}
  .hero-home::after{background:linear-gradient(180deg,rgba(11,29,57,.75),rgba(11,29,57,.9))}
  .top nav{order:3;width:100%;gap:2px 14px}
  .top nav a{font-size:.88rem}
  .stats{grid-template-columns:1fr 1fr}
  .stat-v{font-size:1.15rem}
  .apcard img,.apcard .noimg{width:110px;height:96px}
  .reach{grid-template-columns:repeat(2,1fr)}
  .filter input{min-width:0;width:100%}
  .data td,.data th{padding:7px 9px}
  .kv th{width:42%}
  .calc .swap{display:none}
  .calc label{flex-basis:100%}
  .c-dep{flex-basis:100%!important}
  .route-map{min-height:180px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (max-width:820px){.rcards{gap:8px}.rcards>*{flex-basis:calc((100% - 8px)/2)}.rcard{padding:9px 11px}.rc-codes{font-size:1.05rem}.rc-cities,.rc-nums{font-size:.84rem}}
.apgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.aptile{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--navy2);box-shadow:var(--shadow)}
.aptile img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.aptile:hover img{transform:scale(1.04)}
.aptile>span{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 9px;color:#fff;font-weight:700;background:linear-gradient(180deg,transparent,rgba(7,16,31,.85))}
.aptile .code{color:var(--amber)}
@media (max-width:820px){.apgrid{grid-template-columns:1fr 1fr;gap:8px}}