:root{--navy:#0b2945;--ink:#102235;--muted:#587083;--paper:#f7fafb;--line:#d7e2e8;--mint:#e6f7ee;--green:#087443;--red:#b42318;--coral:#ef6b4a;--shadow:0 18px 40px rgba(11,41,69,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit}
button,input{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:1rem;top:1rem;z-index:10;padding:.7rem;background:#fff}
.site-header,.site-footer,main{max-width:1120px;margin:auto}
.site-header{min-height:76px;padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{font-size:1.25rem;font-weight:800;text-decoration:none;letter-spacing:-.04em;color:var(--navy)}
.brand>span:last-child{color:var(--coral)}
.brand>span:first-child{display:inline-grid;place-items:center;width:1.4rem;height:1.4rem;margin-right:.2rem;border:2px solid currentColor;border-radius:.3rem;font-size:.65rem}
nav{display:flex;gap:1rem}
nav a{color:#385368;text-underline-offset:.25em}
a[aria-current="page"]{font-weight:800;text-decoration-thickness:2px}
:where(a,button,summary,input):focus-visible{outline:3px solid #8cd4d2;outline-offset:2px}
.hero{padding:3.6rem 1.25rem 3rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.hero-copy{max-width:680px}
.eyebrow{margin:0 0:.45rem;color:#176c72;font-weight:750;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.hero h1{margin:0;font-size:clamp(2.35rem,7vw,4.7rem);line-height:.98;letter-spacing:-.065em;color:var(--navy)}
.lead{max-width:530px;margin:1rem 0 0;font-size:clamp(1.05rem,2.5vw,1.3rem);color:var(--muted)}
.luggage-art{position:relative;width:145px;height:170px;margin-right:2.5rem;border:9px solid var(--navy);border-radius:22px;background:#e8f2f5;box-shadow:inset 13px 0 #c4dee3,10px 12px 0 #d8e8ea}
.luggage-art:before{content:"";position:absolute;left:36px;top:-35px;width:55px;height:30px;border:9px solid var(--navy);border-bottom:0;border-radius:13px 13px 0 0}
.luggage-art:after{content:"";position:absolute;inset:37px 55px 0 0;border-right:7px solid var(--navy)}
.luggage-art i,.luggage-art b{position:absolute;width:20px;height:20px;bottom:-20px;border-radius:50%;background:var(--navy)}
.luggage-art i{left:12px}
.luggage-art b{right:12px}
.luggage-art em{position:absolute;width:18px;height:18px;right:-33px;top:15px;background:var(--coral);clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 40%)}
.calculator-shell,.results,.airline-links,.how-it-works,.page-content{margin:0 1.25rem 3.5rem;padding:clamp(1.35rem,4vw,2.7rem);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.section-heading h2,.results h2,.airline-links h2,.how-it-works h2,.page-content h2{margin:0;color:var(--navy);font-size:clamp(1.4rem,3vw,2rem);letter-spacing:-.035em}
.section-heading p,.results-heading>p:not(.eyebrow){margin:.4rem 0 1.5rem;color:var(--muted)}
.input-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.input-grid label{display:grid;gap:.35rem;font-weight:700}
.input-grid span{color:var(--muted);font-size:.8rem;font-weight:500}
.input-grid input{min-width:0;padding:.82rem;border:1px solid #a9bbc5;border-radius:9px;color:var(--ink);background:#fff}
.input-grid input:focus{outline:3px solid #8cd4d2;outline-offset:1px;border-color:#176c72}
.option-toggle{display:flex;flex-wrap:wrap;gap:.7rem 1.2rem;margin:1.4rem 0;border:0;padding:0}
.option-toggle legend{width:100%;font-weight:700;margin-bottom:.1rem}
.option-toggle label{display:flex;align-items:center;gap:.45rem;font-size:.94rem}
.option-toggle input{accent-color:#176c72}
.button{border:0;border-radius:10px;padding:.86rem 1.1rem;font-weight:800;cursor:pointer}
.button-primary{background:var(--navy);color:white}
.button-primary:hover{background:#174a73}
.button-secondary{display:inline-block;border:1px solid #89a3b2;background:#fff;color:var(--navy);text-decoration:none}
.button-secondary:hover{border-color:#176c72;background:#f3f9fa}
.result-edit-link{margin-top:.35rem}
.form-error{color:var(--red);font-weight:650}
.results{scroll-margin-top:1rem}
.results-heading{margin-bottom:1.2rem}
.result-list{display:grid;gap:1rem}
.result-card{border:1px solid var(--line);border-left:6px solid var(--card-color,var(--navy));border-radius:12px;padding:1.1rem}
.result-card-top{display:flex;align-items:start;justify-content:space-between;gap:1rem}
.result-card h3{margin:0;color:var(--navy);font-size:1.15rem}
.rule-note{margin:.15rem 0 0;color:var(--muted);font-size:.9rem}
.status{margin:0;white-space:nowrap;padding:.25rem .55rem;border-radius:99px;font-weight:800;font-size:.9rem}
.status-pass{background:var(--mint);color:var(--green)}
.status-fail{background:#fce9e7;color:var(--red)}
.reason{margin:.8rem 0 0;font-weight:600}
.rule-meta{display:flex;flex-wrap:wrap;gap:.3rem 1rem;margin:.8rem 0 0;font-size:.88rem;color:var(--muted)}
.rule-meta a{color:#275a7b}
.affiliate-placeholder{margin-top:1.4rem;padding:1.1rem 1.25rem;background:#fff7e9;border-radius:12px}
.affiliate-placeholder h2,.affiliate-placeholder p{margin:.1rem 0}
.link-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.3rem}
.link-card{padding:1rem;text-decoration:none;border:1px solid var(--line);border-radius:12px}
.link-card:hover{border-color:#6997ad;background:#f6fbfc}
.link-card strong{display:block;color:var(--navy)}
.link-card span{display:block;margin-top:.35rem;color:var(--muted);font-size:.9rem}
.how-it-works{background:transparent;box-shadow:none}
.how-it-works ol{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin:1.4rem 0 0;padding-left:1.3rem}
.how-it-works li{padding-left:.2rem;color:#3d5668}
.site-footer{padding:0 1.25rem 2.5rem;color:var(--muted);font-size:.9rem;display:flex;justify-content:space-between;gap:1rem}
.site-footer p{margin:0}
.site-footer nav{flex-wrap:wrap}
.page-hero{padding-bottom:2rem}
.page-hero h1{font-size:clamp(2rem,6vw,3.6rem)}
.page-content{max-width:1070px}
.rule-table{width:100%;border-collapse:collapse;margin:1rem 0 2rem;text-align:left}
.rule-table th,.rule-table td{padding:.8rem;border-bottom:1px solid var(--line);vertical-align:top}
.rule-table th{color:#385368;font-size:.85rem}
.source-box{padding:1rem 1.1rem;border-radius:12px;background:#eaf5f7}
.source-box p{margin:.3rem 0}
.source-box a{font-weight:700;color:#124f77}
.faq-list{display:grid;gap:.8rem}
.faq-list details{padding:.9rem 1rem;border:1px solid var(--line);border-radius:9px}
.faq-list summary{cursor:pointer;font-weight:750}
.faq-list p{margin:.7rem 0 0;color:#3d5668}
.comparison-note{color:var(--muted)}
@media(max-width:720px){.site-header nav{font-size:.9rem;gap:.65rem}
.hero{padding-top:2.4rem}
.luggage-art{display:none}
.input-grid{grid-template-columns:repeat(2,1fr)}
.link-cards,.how-it-works ol{grid-template-columns:1fr}
.site-footer{display:block}
.site-footer nav{margin-top:.6rem}
.calculator-shell,.results,.airline-links,.how-it-works,.page-content{margin-bottom:1.5rem;border-radius:14px}
}
@media(max-width:390px){.input-grid{grid-template-columns:1fr}
.site-header{padding-inline:1rem}
.site-header nav a:last-child{display:none}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}