:root{--ink:#1a2332;--muted:#5b6472;--accent:#0e6e6e;--line:#e2e6ec;--bg:#ffffff;--soft:#f4f7f9}
*{box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;margin:0}
main{max-width:760px;margin:0 auto;padding:24px 20px 48px}
nav.breadcrumb{font-size:.9rem;color:var(--muted);margin-bottom:8px}
nav.breadcrumb a{color:var(--accent);text-decoration:none}
nav.breadcrumb a:hover{text-decoration:underline}
h1{font-size:2rem;line-height:1.25;margin:.4em 0 .5em}
p.lead{font-size:1.12rem;color:#2c3542}
h2{font-size:1.4rem;margin:2em 0 .6em;padding-top:.4em;border-top:1px solid var(--line)}
h3{font-size:1.1rem;margin:1.4em 0 .4em}
ul.calc-list{list-style:none;padding:0}
ul.calc-list li{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:0 0 10px}
ul.calc-list a{color:var(--accent);font-weight:600;text-decoration:none}
ul.calc-list a:hover{text-decoration:underline}
ul.related{columns:2;list-style:none;padding:0}
ul.related li{margin:0 0 8px}
ul.related a{color:var(--accent);text-decoration:none}
ul.related a:hover{text-decoration:underline}
.faq{margin:0 0 1.2em}
.disclaimer{background:#fff8e6;border:1px solid #e8cf7a;border-radius:8px;padding:14px 18px;margin:2.5em 0;font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:2.5em;padding-top:1.2em;font-size:.92rem;color:var(--muted)}
footer.site a{color:var(--accent);text-decoration:none}
footer.site a:hover{text-decoration:underline}
@media(max-width:560px){ul.related{columns:1}}

/* Prominent calculator buttons: impossible to miss */
.calc-list{list-style:none;padding:0;margin:1.2rem 0 2.2rem;display:grid;gap:12px}
.calc-list li{background:none;border:none;border-radius:0;padding:0;margin:0}
a.dwd-toolbtn{display:flex;align-items:center;gap:14px;background:#0f1b2d;color:#faf7f2;border-radius:14px;padding:18px 20px;text-decoration:none;border:3px solid #0f1b2d}
a.dwd-toolbtn:hover{background:#1a2a44;box-shadow:0 6px 18px rgba(15,27,45,.28);transform:translateY(-2px)}
a.dwd-toolbtn:focus-visible{outline:3px solid #ff8a00;outline-offset:2px}
.dwd-toolbtn-text{min-width:0}
.dwd-toolbtn-name{display:block;font-weight:700;font-size:1.1rem;color:#faf7f2}
.dwd-toolbtn-desc{display:block;font-size:.9rem;color:#cfc8b8;margin-top:2px}
.dwd-toolbtn-go{margin-left:auto;flex:0 0 auto;background:#ff8a00;color:#0f1b2d;font-weight:800;font-size:.9rem;border-radius:999px;padding:10px 18px;white-space:nowrap}
@media (max-width:560px){a.dwd-toolbtn{flex-wrap:wrap}.dwd-toolbtn-go{margin-left:0}}
@media (prefers-reduced-motion:reduce){a.dwd-toolbtn{transition:none}}