/* ValueCalc — shared styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #1a2332;
  --ink-soft: #4a5568;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-light: #e6f4f2;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --green: #16a34a;
  --red: #dc2626;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 0; }
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--ink); }
nav.main a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  margin-left: 22px;
}
nav.main a:hover { color: var(--accent); }

/* index: pointer through to the calculator hub, sits under the tool grid */
.tools-note { margin: 0 0 8px; font-size: 14px; color: var(--ink-soft); text-align: center; }

/* Breadcrumbs */
nav.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 20px 0 0;
}
nav.crumbs a { color: var(--ink-soft); text-decoration: none; }
nav.crumbs a:hover { color: var(--accent); text-decoration: underline; }
nav.crumbs .crumb-sep { color: #cbd5e1; }
nav.crumbs [aria-current] { color: var(--ink); font-weight: 600; }

/* Hero */
.hero { padding: 48px 0 32px; text-align: center; }
.hero h1 { font-size: 34px; letter-spacing: -1px; margin-bottom: 12px; }
.hero p { font-size: 17px; color: var(--ink-soft); max-width: 640px; margin: 0 auto; }

/* Tool cards */
.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; padding: 24px 0 48px; }
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  transition: transform .15s, box-shadow .15s;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(15,118,110,.12); border-color: var(--accent); }
.tool-card h3 { font-size: 17px; margin-bottom: 6px; color: var(--accent-dark); }
.tool-card p { font-size: 14px; color: var(--ink-soft); }
.tool-card .tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-light); border-radius: 20px; padding: 2px 10px; margin-bottom: 10px; }

/* Calculator */
.calc-wrap { padding: 32px 0; }
h1.page { font-size: 30px; letter-spacing: -0.8px; margin-bottom: 8px; }
.lede { color: var(--ink-soft); font-size: 16px; margin-bottom: 28px; max-width: 720px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 24px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--ink-soft); margin-bottom: 5px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  font-variant-numeric: tabular-nums;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(15,118,110,.12); }
.field .hint { font-size: 12px; color: #94a3b8; margin-top: 3px; }

.result-box {
  background: var(--accent-light);
  border-radius: 10px;
  padding: 20px 24px;
  margin-top: 18px;
}
.result-box .big { font-size: 32px; font-weight: 800; color: var(--accent-dark); font-variant-numeric: tabular-nums; }
.result-box .cap { font-size: 13px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .5px; }

table.pv { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14px; }
table.pv th, table.pv td { padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
table.pv th { color: var(--ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
table.pv th:first-child, table.pv td:first-child { text-align: left; }

/* Article / SEO content */
.article { padding: 8px 0 56px; }
.article h2 { font-size: 22px; margin: 30px 0 10px; letter-spacing: -0.4px; }
.article h3 { font-size: 17px; margin: 20px 0 8px; }
.article p { color: var(--ink-soft); margin-bottom: 12px; }
.article ul { margin: 0 0 14px 22px; color: var(--ink-soft); }
.article ol { margin: 0 0 14px 22px; color: var(--ink-soft); }
.article li { margin-bottom: 6px; }
.article strong { color: var(--ink); }

/* Editorial tables on the guide pages. table.pv (calculator output) is
   deliberately excluded: it is right-aligned and numeric. */
.article table:not(.pv) {
  width: 100%; border-collapse: collapse; margin: 16px 0 20px;
  font-size: 14.5px; background: var(--card);
  border: 1px solid var(--border);
}
.article table:not(.pv) th,
.article table:not(.pv) td {
  padding: 9px 12px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border); color: var(--ink-soft);
}
.article table:not(.pv) th {
  color: var(--ink); font-size: 12px; text-transform: uppercase;
  letter-spacing: .4px; background: var(--bg);
}
.article table:not(.pv) tr:last-child td { border-bottom: none; }
.formula {
  background: #f1f5f9;
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  margin: 14px 0;
}
details.faq { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; background: var(--card); }
details.faq summary { padding: 12px 16px; font-weight: 700; font-size: 15px; cursor: pointer; }
details.faq p { padding: 0 16px 14px; font-size: 14px; }

.verdict { font-weight: 700; }
.verdict.under { color: var(--green); }
.verdict.over { color: var(--red); }
.verdict.good { color: var(--green); }
.verdict.warn { color: #b45309; }

.result-rows { margin-top: 18px; border-top: 1px solid var(--border); }
.result-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 15px;
}
.result-row span { color: var(--ink-soft); }
.result-row strong { font-variant-numeric: tabular-nums; font-weight: 700; }

footer.site { border-top: 1px solid var(--border); padding: 22px 0; font-size: 13px; color: #94a3b8; }
footer.site .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
footer.site a { color: #94a3b8; }
.disclaimer { font-size: 12px; color: #94a3b8; margin-top: 6px; }