:root{--ink:#102f3d;--muted:#607681;--cyan:#0d7d83;--mint:#d5efeb;--line:#dae6e7;--paper:#f5f8f7;--white:#fff;--shadow:0 18px 60px #153b4510}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer;border:1px solid #c9d9dc;background:#fff;color:var(--ink);border-radius:9px;padding:10px 15px;font-weight:600;transition:background .15s,transform .15s}button:hover{background:#eaf4f2}button:disabled{opacity:.45;cursor:not-allowed}button:active{transform:translateY(1px)}:focus-visible{outline:3px solid #e5ab44;outline-offset:3px}a{color:inherit}.site-head,main{max-width:1200px;margin:auto;padding:0 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@media(max-width:760px){.site-head{height:78px}.site-head nav{gap:10px}.site-head nav>a{display:none}.intro{padding:35px 0 30px}.intro h1{font-size:43px;letter-spacing:-1.7px}.intro .eyebrow{font-size:8px;max-width:270px}.lede{font-size:14px;max-width:400px}.orbit{display:none}.planner{grid-template-columns:1fr}.controls{border-right:0;border-bottom:1px solid var(--line);padding:22px}.controls hr{margin:20px 0}.section-label{margin-bottom:15px}.zone-chips{margin-top:10px}.preset{max-width:220px}.controls .small{margin:8px 0}.results{padding:23px 18px}.result-heading h2{font-size:20px}.cards{gap:7px}.city-time{font-size:27px}.city-zone{font-size:9px}.time-card{padding:13px 10px}.timeline{margin-right:-5px}.how{margin-top:40px}.how>h2{font-size:25px}.how-grid{gap:24px;grid-template-columns:1fr}.how-grid article{display:grid;grid-template-columns:40px 1fr;column-gap:8px}.how-grid h3{margin:0 0 8px}.how-grid p{grid-column:2}.how-grid article>span{padding-top:2px}.faq{margin-top:32px}.actions button{font-size:11px}.export input{max-width:100%}.brand{font-size:22px}}
@media(max-width:420px){.site-head,main{padding-left:16px;padding-right:16px}.intro h1{font-size:39px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.time-card:last-child:nth-child(odd){grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;column-gap:12px}.time-card:last-child:nth-child(odd) .city-name{grid-column:1}.time-card:last-child:nth-child(odd) .city-zone{grid-column:1}.time-card:last-child:nth-child(odd) .city-time{grid-column:2;grid-row:1/3;align-self:center;text-align:right}.time-card:last-child:nth-child(odd) .city-date{margin:0}.time-card:last-child:nth-child(odd) .status{justify-self:end}.actions .primary{width:100%}.actions>button:not(.primary){flex:1}.result-heading{gap:7px}.result-heading .eyebrow{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}button{transition:none}}