:root {
  --bg: #f6f8f7;
  --card: #ffffff;
  --text: #1c2a26;
  --muted: #5b6b66;
  --line: #dfe7e4;
  --brand: #0f7a5c;
  --brand-dark: #0a5c45;
  --brand-soft: #e3f3ed;
  --warn: #b45309;
  --warn-soft: #fef3e2;
  --danger: #b91c1c;
  --danger-soft: #fdecec;
  --ok: #15803d;
  --ok-soft: #e7f6ec;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 40, 32, .06), 0 4px 16px rgba(16, 40, 32, .05);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--brand); }
a:hover { color: var(--brand-dark); }
img, svg { max-width: 100%; }

.container { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 18px; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; }
.logo span { color: var(--brand); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); padding: 6px 10px; border-radius: 8px; font-size: 15px; font-weight: 600; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--brand-soft); color: var(--brand-dark); }

/* Hero */
.hero { padding: 40px 0 16px; }
.hero h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.2; margin: 0 0 12px; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 8px; }

h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.25; margin: 28px 0 8px; }
h2 { font-size: 22px; line-height: 1.3; margin: 32px 0 10px; }
h3 { font-size: 18px; margin: 20px 0 6px; }
p.lead { font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; margin: 18px 0; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 20px 0; }
.tool-card { display: block; text-decoration: none; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.tool-card:hover { border-color: var(--brand); transform: translateY(-2px); color: var(--text); }
.tool-card .icon { font-size: 30px; }
.tool-card h3 { margin: 8px 0 4px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 15px; }
.tool-card .soon { display: inline-block; font-size: 12px; font-weight: 700; color: var(--muted); background: var(--bg); border-radius: 99px; padding: 2px 8px; margin-top: 8px; }

/* Forms */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; margin-bottom: 4px; }
.field .hint { font-size: 14px; color: var(--muted); margin: 2px 0 6px; }
input[type="text"], input[type="number"], select {
  width: 100%; font: inherit; font-size: 18px; padding: 11px 12px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--text);
}
input:focus, select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 60px; }
.input-suffix .suffix { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 15px; pointer-events: none; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .row { grid-template-columns: 1fr; } }

.segmented { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.segmented button { flex: 1 1 auto; font: inherit; font-size: 15px; font-weight: 700; padding: 10px 12px; border: 1.5px solid var(--line); background: #fff; color: var(--muted); border-radius: 10px; cursor: pointer; }
.segmented button[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-dark); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 700; font-size: 17px; padding: 12px 20px; border-radius: 10px; border: 0; cursor: pointer; text-decoration: none; background: var(--brand); color: #fff; }
.btn:hover { background: var(--brand-dark); color: #fff; }
.btn.secondary { background: #fff; color: var(--brand-dark); border: 1.5px solid var(--brand); }
.btn.secondary:hover { background: var(--brand-soft); }
.btn.ghost { background: transparent; color: var(--muted); border: 1.5px dashed var(--line); }
.btn.ghost:hover { color: var(--brand-dark); border-color: var(--brand); background: #fff; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

/* Results */
.result { display: none; scroll-margin-top: 120px; }
.nav .short { display: none; }
@media (max-width: 600px) {
  .site-header { position: static; }
  .site-header .container { padding-top: 10px; padding-bottom: 8px; gap: 8px; }
  .nav { width: 100%; display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
  .nav a { text-align: center; padding: 8px 2px; font-size: 14px; white-space: nowrap; background: var(--bg); }
  .nav .full { display: none; }
  .nav .short { display: inline; }
  .result { scroll-margin-top: 12px; }
}
.result.show { display: block; }
.big-number { font-size: clamp(34px, 9vw, 48px); font-weight: 800; line-height: 1.1; margin: 4px 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 16px 0; }
.stat { background: var(--bg); border-radius: 10px; padding: 12px 14px; }
.stat .label { font-size: 14px; color: var(--muted); }
.stat .value { font-size: 20px; font-weight: 800; }

.alert { border-radius: 12px; padding: 14px 16px; margin: 14px 0; border-left: 5px solid; }
.alert p { margin: 6px 0; }
.alert.ok { background: var(--ok-soft); border-color: var(--ok); }
.alert.warn { background: var(--warn-soft); border-color: var(--warn); }
.alert.danger { background: var(--danger-soft); border-color: var(--danger); }
.alert.info { background: var(--brand-soft); border-color: var(--brand); }
.alert strong:first-child { display: block; }

.error { color: var(--danger); font-weight: 600; font-size: 15px; margin: 8px 0; }

/* Debt rows */
.debt { border: 1.5px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 12px; background: #fff; }
.debt-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.debt-head strong { font-size: 15px; color: var(--muted); }
.debt .remove { background: none; border: 0; color: var(--danger); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; padding: 4px 8px; }
.debt .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.debt .grid .field { margin-bottom: 0; }
.debt .grid .full { grid-column: 1 / -1; }
.debt input { font-size: 16px; padding: 9px 10px; }
.debt label { font-size: 14px; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; }
@media (max-width: 560px) { .compare { grid-template-columns: 1fr; } }
.plan { border: 1.5px solid var(--line); border-radius: 12px; padding: 16px; background: #fff; }
.plan.best { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.plan .tag { display: inline-block; font-size: 12px; font-weight: 800; background: var(--brand); color: #fff; padding: 2px 8px; border-radius: 99px; margin-bottom: 6px; }
.plan h3 { margin: 0 0 6px; }
.plan ol { margin: 8px 0 0; padding-left: 20px; font-size: 15px; }

.table-wrap { overflow-x: auto; margin: 12px 0; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; background: #fff; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { background: var(--bg); position: sticky; top: 0; }
td.paid { color: var(--ok); font-weight: 700; }

details { margin: 12px 0; }
summary { cursor: pointer; font-weight: 700; color: var(--brand-dark); }

/* Content */
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.faq h3 { margin-top: 22px; }

/* Support banner + footer */
.support { background: var(--brand-soft); border-radius: var(--radius); padding: 18px 20px; margin: 32px 0 0; }
.support p { margin: 4px 0; }
.support a.contact { font-weight: 800; font-size: 20px; text-decoration: none; word-break: break-all; }
.site-footer { margin-top: 40px; padding: 28px 0 40px; border-top: 1px solid var(--line); background: var(--card); font-size: 14px; color: var(--muted); }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.site-footer a { color: var(--muted); }

@media print {
  .site-header, .site-footer, .support, .no-print, form, .segmented { display: none !important; }
  body { background: #fff; font-size: 13px; }
  .card { box-shadow: none; border: 0; padding: 0; }
  .result { display: block !important; }
  details { display: block; }
  details > * { display: block; }
  .table-wrap { overflow: visible; border: 0; }
  thead th { position: static; }
}