:root{--ink:#16131a;--mute:#5c564f;--paper:#eef6ff;--cobalt:#1d4ed8;--line:#dbe3f0}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#dbeafe,var(--paper));color:var(--ink);min-height:100vh}
.banner{margin:0;padding:.55rem 1rem;text-align:center;font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--ink);color:#f5efe6}
main{max-width:520px;margin:0 auto;padding:2rem 1.25rem 3rem}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt);margin:0 0 .5rem}
h1{font-family:Georgia,serif;margin:0 0 .6rem;font-size:2.1rem}
.lede{color:var(--mute);line-height:1.6;margin:0 0 1.25rem}
label{font-weight:700;font-size:.9rem;display:grid;gap:.4rem}
select{border:1px solid var(--line);border-radius:.7rem;padding:.55rem .7rem;font:inherit;background:#fff}
.card{margin-top:1.25rem;background:#fff;border:1px solid var(--line);border-radius:1.2rem;padding:1.25rem}
.card h2{margin:0 0 .35rem;font-family:Georgia,serif}
.card .temp{font-size:2.4rem;font-weight:700;letter-spacing:-.03em;margin:.4rem 0}
.card p{margin:0;color:var(--mute);line-height:1.5}
footer{text-align:center;padding:0 1rem 2rem;font-size:.8rem;color:var(--mute)}footer a{color:var(--cobalt)}