.dif-layout{max-width:1200px;margin:32px auto;padding:0 20px;color:#172554;font-family:Arial,Helvetica,sans-serif}.dif-layout h1{font-size:clamp(24px,3vw,38px);line-height:1.3;margin:20px 0}.dif-breadcrumb{font-size:12px;color:#64748b;line-height:1.6}.dif-layout p{line-height:1.6}.dif-warning{padding:14px;background:#fff7df;border-left:4px solid #d99009}.dif-directory{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.dif-directory article{border:1px solid #dbe3ed;border-radius:12px;padding:20px;background:white}.dif-directory h2{font-size:18px;line-height:1.5}.di-airport .dif-full-link{display:block;margin-top:9px;font-size:11px}.dif-single .dia-close{display:none}
@media(max-width:700px){.dif-single .dia-flight-hero{display:flex;flex-direction:column}.dif-single .dia-flight-hero>.dia-hero-leg{display:block}.dif-single .dia-hero-centre{margin:16px 0}.dif-single .dia-aligned-panels{grid-template-columns:1fr}.dif-single .dia-legs{grid-template-columns:1fr}.dif-single .dia-aircraft-card{padding:16px;gap:12px;flex-wrap:wrap}.dif-single .dia-card-header{flex-wrap:wrap}}
/* 1.0.1: dedicated flight editorial layout */
.dif-layout{font-family:Montserrat,Arial,Helvetica,sans-serif;color:#1e293b;padding-bottom:48px}.dif-layout h1{font-weight:800;letter-spacing:-.6px;max-width:1040px}.dif-layout a{color:#2454b5}.dif-breadcrumb{padding-bottom:14px;border-bottom:1px solid #e2e8f0}
.dif-flight-banner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;background:linear-gradient(120deg,#eff6ff,#f1f3ff);border:1px solid #dbe5f5;border-radius:18px;margin:24px 0 14px}.dif-brand{display:flex;align-items:center;gap:14px}.dif-brand strong{display:block;font-size:20px;color:#162d56;margin-top:5px}.dif-kicker{font-size:10px;letter-spacing:1.7px;font-weight:800;color:#536d9c;display:block;line-height:1.5}
.dif-brand .dia-logo-box{position:relative;width:46px;height:46px;flex:0 0 46px;display:block;background:white;border-radius:10px;overflow:hidden}.dif-brand .dia-logo{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:4px}.dif-brand .dia-logo-fallback{display:grid;place-items:center;height:100%;font-size:25px;color:#64748b}
.dif-flight-banner .dia-status{border-radius:20px;padding:8px 14px;font-size:12px;font-weight:700;background:#e2e8f0;color:#334155}.dif-flight-banner .dia-status-green{background:#dcfce7;color:#166534}.dif-flight-banner .dia-status-blue{background:#dbeafe;color:#1e40af}.dif-flight-banner .dia-status-amber{background:#fef3c7;color:#92400e}.dif-flight-banner .dia-status-red{background:#fee2e2;color:#991b1b}.dif-flight-banner .dia-status-purple{background:#f3e8ff;color:#6b21a8}
.dif-jump{display:flex;flex-wrap:wrap;gap:10px;padding:0 0 18px}.dif-jump a{padding:8px 14px;border:1px solid #dbe3ed;border-radius:24px;font-size:12px;text-decoration:none;background:white;font-weight:700}.dif-jump a:hover{background:#eff6ff}
.dif-single{padding:0;border:0;margin:20px 0}.dif-single .dia-premium{box-shadow:0 8px 28px #18283c0d}.dif-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin:22px 0 32px;font-size:13px}.dif-layout a.dif-button{background:#2454b5;color:white;padding:12px 18px;border-radius:9px;text-decoration:none;font-weight:700}
.dif-guide{padding:28px;border:1px solid #e2e8f0;border-radius:18px;background:#fff;margin:22px 0;box-shadow:0 4px 18px #18283c06;scroll-margin-top:90px}.dif-guide h2{font-size:24px;line-height:1.35;color:#152b4d;margin:9px 0 16px;font-weight:800}.dif-guide p{font-size:14px;line-height:1.85;color:#526176;margin:12px 0}.dif-route-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0 0}.dif-route-facts>div{padding:16px;background:#f4f7fc;border-radius:10px;min-width:0}.dif-route-facts dt{font-size:11px;color:#64748b;margin-bottom:8px}.dif-route-facts dd{font-size:15px;font-weight:700;color:#1e3557;margin:0;overflow-wrap:anywhere}
.dif-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dif-help-grid .dif-guide{margin:0}.dif-help-grid .dif-guide:first-child{border-top:4px solid #5580cc}.dif-help-grid .dif-guide:last-child{border-top:4px solid #33a18a}
.dif-status-guide{margin:0}.dif-status-guide>div{display:grid;grid-template-columns:180px 1fr;gap:22px;border-bottom:1px solid #e8edf3;padding:16px 0}.dif-status-guide>div:last-child{border:0}.dif-status-guide dt{font-size:13px;font-weight:800;color:#254c87}.dif-status-guide dd{margin:0;font-size:13px;line-height:1.75;color:#526176}
.dif-faq details{border-bottom:1px solid #e2e8f0;padding:17px 0}.dif-faq details:last-child{border:0}.dif-faq summary{font-size:14px;font-weight:700;cursor:pointer;color:#213c65;line-height:1.6}.dif-layout summary:focus-visible,.dif-layout a:focus-visible{outline:2px solid #2563eb;outline-offset:4px}.dif-empty{padding:24px;border-radius:14px;background:#f8fafc;border:1px solid #e2e8f0}
@media(max-width:700px){.dif-layout{padding:0 14px 28px}.dif-flight-banner{align-items:flex-start;flex-direction:column;padding:18px}.dif-brand strong{font-size:17px}.dif-guide{padding:20px}.dif-guide h2{font-size:21px}.dif-route-facts{grid-template-columns:1fr 1fr}.dif-help-grid{grid-template-columns:1fr}.dif-status-guide>div{grid-template-columns:1fr;gap:7px}.dif-layout h1{font-size:26px}}
/* 1.0.2: searchable route directory */
.dif-directory-hero{padding:38px;border:1px solid #dce6f6;border-radius:22px;background:linear-gradient(120deg,#eff6ff,#f6f4ff);margin:0 0 22px}.dif-directory-hero h1{margin:10px 0 14px;font-size:42px}.dif-directory-hero p{max-width:680px;color:#526176}.dif-directory-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.dif-directory-chips span{background:white;border:1px solid #dbe3ed;border-radius:20px;padding:7px 12px;font-size:12px;color:#354e76}
.dif-directory-search{display:flex;flex-wrap:wrap;align-items:end;gap:14px;padding:22px;border:1px solid #dbe3ed;border-radius:14px;background:#fff;box-shadow:0 6px 20px #17345108}.dif-directory-search label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:700;flex:1 1 160px}.dif-directory-search label:first-child{flex:2 1 240px}.dif-directory-search input,.dif-directory-search select{width:100%;height:46px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;color:#172554;padding:10px;font:inherit}.dif-directory-search button{height:46px;border:0;border-radius:8px;background:#2454b5;color:#fff;padding:0 22px;font-weight:700;cursor:pointer}.dif-directory-search>a{padding:13px 0;font-size:12px}.dif-directory-note{font-size:12px;color:#64748b;margin:18px 0 24px}
.dif-route-directory{grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:20px}.dif-directory .dif-route-card{display:flex;flex-direction:column;padding:23px;border-radius:16px;border:1px solid #dce4ef;box-shadow:0 5px 16px #17255408;border-top:4px solid #698bc7;transition:box-shadow .2s}.dif-route-card:hover{box-shadow:0 9px 24px #17255415}.dif-route-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.dif-route-flight{font-size:20px;font-weight:800;color:#193762}.dif-route-direction{font-size:10px;font-weight:700;background:#eef3fc;color:#355887;padding:5px 9px;border-radius:16px}.dif-route-card .dif-route-airline{font-size:12px;color:#64748b;margin:8px 0 18px}.dif-route-card h2{margin:0 0 18px}.dif-route-card h2>a{display:flex;flex-wrap:wrap;align-items:center;gap:16px;text-decoration:none;color:#182e50;font-size:29px;font-weight:800}.dif-route-card .dif-route-arrow{font-size:22px;color:#8ba2c4}.dif-route-card .dif-route-names{flex-basis:100%;font-size:14px;font-weight:600;line-height:1.6}.dif-route-availability{display:flex;flex-direction:column;gap:6px;font-size:11px;line-height:1.6;color:#64748b;margin-top:auto;padding-top:10px}.dif-route-availability strong{color:#385d8e}.dif-route-card .dif-route-cta{display:flex;justify-content:space-between;gap:12px;margin-top:20px;border-top:1px solid #e2e8f0;padding-top:16px;font-size:12px;font-weight:700;text-decoration:none}.dif-directory-search :focus-visible{outline:2px solid #2563eb;outline-offset:3px}
@media(max-width:600px){.dif-directory-hero{padding:25px}.dif-directory-hero h1{font-size:32px}.dif-directory-search{padding:18px}.dif-directory-search button{flex:1}}
/* 1.0.3: alphabetical airline directory */
.dif-airline-intro{margin:30px 0 22px}.dif-airline-intro h1{font-size:32px;margin:8px 0 16px}.dif-airline-intro p{font-size:14px;color:#526176;max-width:900px;line-height:1.8}
.dif-airline-search{max-width:700px;margin:0 0 28px}.dif-airline-search label{display:block;font-size:12px;font-weight:700;margin-bottom:8px}.dif-airline-search>div{display:flex;gap:10px}.dif-airline-search input{flex:1;min-width:0;border:1px solid #d4dce8;background:#f8fafc;border-radius:9px;height:46px;padding:10px 14px;font:inherit;font-size:13px}.dif-airline-search button{border:0;border-radius:9px;background:#2454b5;color:white;padding:0 20px;font-weight:700;cursor:pointer}
.dif-airline-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:start}.dif-airline-panel{background:white;border-radius:22px;border:1px solid #e7ebf1;box-shadow:0 7px 30px #1426440d;padding:28px;min-width:0}.dif-airline-panel h2{font-size:24px;font-weight:800;color:#14233b;margin:0 0 24px}.dif-airline-panel h2>span{font-size:12px;vertical-align:middle;color:#64748b;background:#f1f5f9;border-radius:20px;padding:5px 10px;margin-left:8px}
.dif-alphabet{display:flex;flex-wrap:wrap;gap:9px;padding-bottom:20px;border-bottom:1px solid #e2e8f0}.dif-alphabet a,.dif-alphabet>span{display:flex;align-items:center;justify-content:center;width:31px;height:31px;border:1px solid #d4dce8;border-radius:50%;font-size:12px;text-decoration:none;background:#f8fafc;color:#1e3a5f}.dif-alphabet a:hover,.dif-alphabet a:focus{background:#2563eb;color:white;border-color:#2563eb}.dif-alphabet>span{color:#b5bfce;background:#fafbfc;border-color:#edf0f5}
.dif-airline-scroll{max-height:640px;overflow:auto;scroll-behavior:smooth;padding:8px 12px 20px 0;scroll-padding-top:15px}.dif-airline-group{padding-top:22px;scroll-margin-top:15px}.dif-airline-group h3{font-size:20px;font-weight:800;margin:0 0 12px;color:#14233b}.dif-airline-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 16px}.dif-airline-link{display:flex;align-items:center;gap:12px;min-width:0;padding:11px 4px;text-decoration:none!important;font-size:13px;line-height:1.5;border-radius:8px}.dif-airline-link:hover{background:#f3f7fd}.dif-airline-link>span:last-child{min-width:0;overflow-wrap:anywhere}.dif-airline-link small{font-size:11px}.dif-airline-link .dif-airline-count{display:block;color:#64748b;margin-top:2px;font-size:10px}
.dif-airline-link .dia-logo-box{position:relative;display:block;flex:0 0 32px;width:32px;height:32px;overflow:hidden;background:#fff;border-radius:5px}.dif-airline-link .dia-logo{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:2px;background:white}.dif-airline-link .dia-logo-fallback{display:grid;place-items:center;height:100%;font-size:23px;color:#94a3b8}
.dif-airline-sidebar{border:1px solid #e1e6ed;border-radius:18px;padding:22px;background:white}.dif-airline-sidebar h2{font-size:17px;line-height:1.4;font-weight:800;margin:0 0 10px}.dif-airline-sidebar>p{font-size:11px;color:#64748b;line-height:1.6;margin-bottom:12px}.dif-airline-search :focus-visible,.dif-airline-scroll:focus-visible{outline:2px solid #2563eb;outline-offset:3px}
@media(max-width:1000px){.dif-airline-links{grid-template-columns:repeat(2,minmax(0,1fr))}.dif-airline-layout{grid-template-columns:minmax(0,1fr) 220px}}
@media(max-width:700px){.dif-airline-layout{grid-template-columns:1fr}.dif-airline-panel{padding:20px}.dif-airline-links{grid-template-columns:1fr 1fr}.dif-airline-scroll{max-height:none;overflow:visible}.dif-airline-search button{padding:0 13px}.dif-airline-intro h1{font-size:28px}}
@media(max-width:380px){.dif-airline-links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.dif-airline-scroll{scroll-behavior:auto}}