:root {
  --bg: #f7f6f3;
  --ink: #121826;
  --muted: #667085;
  --line: #e6e1d8;
  --card: #fffcf8;
  --teal: #0f766e;
  --teal-2: #115e59;
  --soft: #ecfdf8;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Arial, sans-serif; }
body { min-height: 100vh; }
a { color: inherit; text-decoration: none; }
header {
  max-width: 760px; margin: 0 auto; padding: 20px 20px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-weight: 800; letter-spacing: -0.04em; font-size: 18px; }
.logo i { font-style: normal; color: var(--teal); }
.pill {
  font-size: 12px; font-weight: 700; color: var(--teal-2); background: var(--soft);
  border: 1px solid #cce8e2; padding: 6px 10px; border-radius: 999px;
}
.hero { max-width: 760px; margin: 0 auto; padding: 28px 20px 12px; }
h1 { font-size: clamp(34px, 6vw, 56px); letter-spacing: -0.05em; line-height: 1.02; margin: 0 0 10px; font-weight: 800; }
.sub { color: var(--muted); font-size: 17px; margin: 0 0 28px; max-width: 42ch; line-height: 1.45; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  padding: 22px; box-shadow: 0 20px 50px rgba(18, 24, 38, 0.05);
}
.fields { display: grid; gap: 14px; }
@media (min-width: 720px) { .fields { grid-template-columns: 1.2fr 1fr 1fr; } }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
input, select {
  width: 100%; height: 52px; border-radius: 12px; border: 1px solid var(--line);
  background: #fff; padding: 0 14px; font: inherit; font-size: 16px; font-weight: 600;
}
input:focus, select:focus { outline: 2px solid #99f6e4; border-color: var(--teal); }
.result {
  margin-top: 18px; padding: 18px; border-radius: 16px; background: linear-gradient(180deg, #f0fdfa, #fff);
  border: 1px solid #ccfbf1;
}
.result small { color: var(--teal-2); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: 11px; }
.big { font-size: clamp(40px, 8vw, 64px); font-weight: 800; letter-spacing: -0.06em; line-height: 1; margin: 6px 0; font-variant-numeric: tabular-nums; }
.meta { color: var(--muted); font-size: 14px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; font-size: 13px; font-weight: 600; color: var(--muted); }
details.adv-box { margin-top: 16px; }
summary { cursor: pointer; font-weight: 700; font-size: 14px; color: var(--teal-2); }
.adv { display: grid; gap: 12px; margin-top: 12px; }
@media (min-width: 720px) { .adv { grid-template-columns: 1fr 1fr; } }
.row { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.btn {
  height: 44px; padding: 0 16px; border: 0; border-radius: 12px; background: var(--teal);
  color: #fff; font: inherit; font-weight: 700; cursor: pointer;
}
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
footer {
  max-width: 760px; margin: 0 auto; padding: 28px 20px 48px; color: var(--muted); font-size: 13px; line-height: 1.5;
}
footer nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
footer a { color: var(--teal-2); text-decoration: underline; text-underline-offset: 3px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 999px; display: none; font-size: 13px; z-index: 2; }
.faq { max-width: 760px; margin: 0 auto; padding: 0 20px 40px; }
.faq h2 { font-size: 22px; letter-spacing: -0.03em; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin: 8px 0; }
.faq summary { color: var(--ink); }
.faq p { color: var(--muted); margin: 8px 0 0; font-size: 14px; line-height: 1.5; }
.legal { max-width: 760px; margin: 0 auto; padding: 28px 20px 64px; }
.legal h1 { font-size: clamp(28px, 4vw, 40px); }
.legal h2 { font-size: 18px; margin: 28px 0 8px; }
.legal p, .legal li { color: var(--muted); line-height: 1.55; }
.legal pre {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.45;
}
.legal code { font-size: 0.95em; }
.fill {
  background: #fff7ed; border: 1px solid #fed7aa; border-radius: 12px; padding: 12px 14px; color: #9a3412; font-size: 14px;
}