:root{--navy:#12233f;--sky:#e7f4f7;--orange:#ef6b37;--white:#fff;--muted:#5e6b7c}*{box-sizing:border-box}body{margin:0;background:var(--sky);color:var(--navy);font:16px/1.55 Inter,ui-sans-serif,system-ui,sans-serif}nav,footer,main{width:min(1040px,calc(100% - 36px));margin:auto}nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--navy);font-size:13px;text-transform:uppercase;letter-spacing:.08em}nav a{font-weight:900;color:inherit;text-decoration:none}.hero{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;padding:72px 0}.kicker{color:var(--orange);font-weight:900;letter-spacing:.15em;font-size:12px}.hero h1{font-size:clamp(44px,8vw,84px);line-height:.94;letter-spacing:-.055em;margin:14px 0 22px}.hero p:last-child{max-width:560px;color:var(--muted);font-size:18px}.stamp{width:130px;height:130px;border:3px solid var(--orange);border-radius:50%;display:grid;place-items:center;text-align:center;color:var(--orange);font-weight:900;transform:rotate(7deg)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid article{background:var(--white);border:2px solid var(--navy);padding:24px;box-shadow:6px 6px 0 var(--navy)}h2{margin-top:0}.row{display:flex;align-items:end;gap:10px;border-bottom:1px solid #b7c2ce;padding-bottom:8px}.row input{min-width:0;width:100%;border:0;outline:0;color:var(--navy);font:700 32px/1 inherit}.row label{font-size:12px;color:var(--muted);white-space:nowrap}output{display:block;color:var(--orange);font-size:22px;font-weight:800;margin-top:18px}.tips{margin:54px 0;background:var(--navy);color:#fff;padding:28px 34px}.tips ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 30px;padding-left:18px;margin-bottom:0}footer{display:flex;justify-content:space-between;border-top:2px solid var(--navy);padding:22px 0 40px;font-size:12px}@media(max-width:760px){nav span,.stamp{display:none}.hero{grid-template-columns:1fr;padding:48px 0}.grid{grid-template-columns:1fr}.tips ul{grid-template-columns:1fr}footer{display:block}footer span{display:block;margin-bottom:6px}}