:root {
  --ink: #11212e;
  --muted: #5a6b78;
  --line: #e2e8ec;
  --soft: #f5f8fa;
  --accent: #0e6e63;
  --accent-dark: #0a554c;
  --accent-soft: #e6f2f0;
  --warn-soft: #fff8e6;
  --max: 940px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.topbar { border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); }
.topbar .wrap { min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav { font-size: 14px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }

main { padding: 42px 0 0; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0; text-transform: uppercase; color: var(--accent-dark); }
h1 { font-size: 34px; line-height: 1.12; margin: 10px 0 14px; }
h2 { font-size: 24px; line-height: 1.2; margin: 34px 0 10px; }
h3 { font-size: 18px; margin: 22px 0 8px; }
p { margin: 0 0 16px; }
ul, ol { padding-left: 22px; }
li { margin: 7px 0; }
.lead { font-size: 18px; color: var(--muted); max-width: 780px; }
.answer { background: var(--accent-soft); border: 1px solid #cfe6e2; padding: 18px; border-radius: 8px; margin: 24px 0; }
.answer strong { color: var(--accent-dark); }
.note { background: var(--soft); border-left: 4px solid var(--accent); padding: 14px 16px; margin: 18px 0; }
.warn { background: var(--warn-soft); border-left-color: #b7791f; }
.cta { display: inline-flex; align-items: center; justify-content: center; background: var(--accent); color: #fff; font-weight: 700; border-radius: 8px; min-height: 50px; padding: 0 18px; margin: 8px 0 18px; border: 0; cursor: pointer; }
.cta:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 16px 0; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 16px; background: #fff; }
.card p { margin: 0; color: var(--muted); }
.table { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin: 18px 0; }
.row { display: grid; grid-template-columns: 1.1fr .9fr; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row div { padding: 14px; }
.row div:last-child { background: var(--soft); font-weight: 700; }
.tool { border: 1px solid var(--line); border-radius: 8px; padding: 18px; background: var(--soft); margin: 22px 0; }
.tool label { display: block; font-weight: 700; margin-bottom: 6px; }
.tool input { width: 100%; max-width: 220px; height: 46px; border: 1px solid var(--line); border-radius: 8px; padding: 0 12px; font-size: 16px; }
.result { display: none; margin-top: 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.result.show { display: block; }
.faq details { border: 1px solid var(--line); border-radius: 8px; padding: 0 14px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; }
footer { background: var(--soft); margin-top: 44px; padding: 30px 0; color: var(--muted); font-size: 13px; }
footer .links-row a { margin-right: 14px; color: var(--accent-dark); }

@media (min-width: 760px) {
  h1 { font-size: 48px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 1.4fr .6fr; }
}