/* Shared structure. Themes override tokens and layout. */
:root{--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;--hfont:var(--font);
  --bg:#fff;--ink:#141a21;--muted:#5f6b76;--line:#e5e7eb;--card:#fff;--brand:#0b5fff;--brand-ink:#0846c2;--accent:#0b5fff;--on-brand:#fff;--radius:14px;--shadow:0 12px 32px rgba(0,0,0,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.5 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--hfont);line-height:1.12;margin:.2em 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(32px,5.2vw,54px)}h2{font-size:clamp(22px,3vw,32px)}h3{font-size:19px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:12px;font-weight:700;color:var(--muted)}
.lead{font-size:18px;color:var(--muted);max-width:560px}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer;font:inherit;text-align:center;line-height:1.2}
.btn.primary{background:var(--brand);color:var(--on-brand)}.btn.primary:hover{background:var(--brand-ink);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{background:rgba(0,0,0,.04);text-decoration:none}
.btn.big{padding:16px 26px;font-size:17px}.btn.block{width:100%;margin-top:12px}
.hdr{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:var(--bg)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink)}
.logo .mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--brand);color:var(--on-brand);font-size:15px}
.nav nav{display:flex;gap:22px}.nav nav a{color:var(--ink);font-weight:500}
.nav .call{background:var(--ink);color:var(--bg);padding:9px 14px;border-radius:999px;font-weight:700;white-space:nowrap}
@media(max-width:720px){.nav nav{display:none}}
/* search form */
.search{display:flex;flex-direction:column;gap:10px}
.search .trip{display:flex;gap:18px;font-size:14px;font-weight:600;margin-bottom:2px}.search .trip label{display:inline-flex;gap:7px;align-items:center;white-space:nowrap;cursor:pointer}.search .trip input{width:auto;margin:0}
.search .row{display:flex;gap:8px;align-items:flex-end}
.search .f{flex:1;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:11px;padding:8px 12px 6px}
.search .f span{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.search input,.search select{border:0;background:transparent;font:inherit;font-weight:600;padding:3px 0;width:100%;color:var(--ink);outline:none}
.search .swap{background:var(--card);border:1px solid var(--line);border-radius:50%;width:38px;height:38px;cursor:pointer;flex:none;align-self:center;font-size:16px}
.search.oneway .ret{opacity:.35;pointer-events:none}
@media(max-width:620px){.search .row{flex-wrap:wrap}.search .f{min-width:45%}}
/* results */
.results{padding:36px 0 20px}
.rhead{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.rhead h2{font-size:20px;margin:0}
.tools{display:flex;gap:10px;flex-wrap:wrap}.tools label{font-size:13px;font-weight:600;display:flex;gap:6px;align-items:center}
.tools select{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
.status{font-size:14px;color:var(--muted);margin:8px 0 14px}
.loading{display:flex;align-items:center;gap:10px}.loading span{width:16px;height:16px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:20px;color:var(--muted)}
.offer{position:relative;display:grid;grid-template-columns:1fr 230px;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:12px;transition:transform .15s,box-shadow .15s}
.offer:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.offer.best{border-color:var(--accent)}.offer.hl{outline:3px solid var(--accent)}
.badge{position:absolute;top:-10px;left:16px;background:var(--accent);color:var(--on-brand);font-size:11px;font-weight:800;padding:3px 10px;border-radius:999px;letter-spacing:.05em;text-transform:uppercase}
.legs{display:flex;flex-direction:column;gap:12px}
.al{display:flex;gap:10px;align-items:baseline}.al small{color:var(--muted)}
.leg{display:grid;grid-template-columns:70px 1fr 70px;gap:12px;align-items:center}
.leg .t b{display:block;font-size:20px}.leg .t span{font-size:13px;color:var(--muted)}
.leg .dur{text-align:center;font-size:12px;color:var(--muted)}.leg .dur i{display:block;height:2px;background:var(--line);margin:4px 0;position:relative}
.leg .dur i::after{content:"";position:absolute;right:-1px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.buy{display:flex;flex-direction:column;gap:8px;align-items:stretch;justify-content:center;border-left:1px solid var(--line);padding-left:18px}
.price{font-size:28px;font-weight:800;line-height:1}.price small{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:4px}
.saved{font-size:13px;font-weight:700;color:#15803d}.miles{font-size:13px;font-weight:700;color:var(--accent)}
@media(max-width:700px){.offer{grid-template-columns:1fr}.buy{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:12px}}
/* sections */
section{padding:44px 0}.why .grid3,.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid3>div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.grid3 b{font-size:17px;display:block;margin-bottom:6px}
@media(max-width:720px){.grid3{grid-template-columns:1fr}}
.prose{padding:48px 0}.prose h1{font-size:34px}.prose h2{font-size:21px;margin-top:1.5em}
.ftr{border-top:1px solid var(--line);padding:36px 0 26px;font-size:14px;color:var(--muted)}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.fgrid strong{display:block;color:var(--ink);margin-bottom:8px}.fgrid a{display:block;color:var(--muted);margin:5px 0}
.ftr .fine{font-size:12px;margin-top:22px;line-height:1.5}
@media(max-width:620px){.fgrid{grid-template-columns:1fr}}
/* modal */
[hidden]{display:none!important}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:grid;place-items:center;z-index:50;padding:20px}
.modal-card{background:#fff;color:#141a21;border-radius:16px;padding:24px;max-width:420px;width:100%;position:relative}
.modal-card .x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:24px;cursor:pointer}
.modal-card label{display:block;font-size:13px;font-weight:600;margin:10px 0 4px}
.modal-card input{width:100%;padding:11px;border:1px solid #cfd4db;border-radius:10px;font:inherit}
.modal-card .btn.primary{background:#141a21;color:#fff}.modal-card a{color:#0b5fff;font-weight:600}.hp{position:absolute;left:-9999px}
.ok{color:#15803d;font-weight:600}