/* MMult — shared styles */
:root {
  --bg: #f5f8f7;
  --card: #ffffff;
  --ink: #14212b;
  --muted: #5c6b78;
  --accent: #0e7a5f;
  --accent-dark: #0a5c47;
  --accent-soft: #e6f4ef;
  --link: #0b63a8;
  --border: #e2e9e6;
  --warn-bg: #fff8e6;
  --warn-border: #f0d47e;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(20, 33, 43, .06), 0 6px 20px rgba(20, 33, 43, .05);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.45rem; margin-top: 1.6em; }
h3 { font-size: 1.12rem; }
p { margin: .5em 0 1em; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container {
  display: flex; align-items: center; gap: 18px;
  height: 60px;
}
.logo { font-weight: 800; font-size: 1.25rem; color: var(--ink); white-space: nowrap; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.nav a {
  color: var(--muted); font-size: .92rem; font-weight: 500;
  padding: 6px 11px; border-radius: 8px; white-space: nowrap;
}
.nav a:hover { background: var(--accent-soft); color: var(--accent-dark); text-decoration: none; }
.nav a.active { color: var(--accent-dark); background: var(--accent-soft); }

/* Hero */
.hero { padding: 46px 0 26px; text-align: center; }
.hero h1 { font-size: 2.15rem; max-width: 720px; margin: 0 auto .4em; }
.hero .sub { font-size: 1.12rem; color: var(--muted); max-width: 640px; margin: 0 auto 1.2em; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-soft); color: var(--accent-dark);
  font-size: .85rem; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 14px;
}

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin: 24px 0; }
.tool-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); display: block; color: var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(20,33,43,.10); text-decoration: none; }
.tool-card .icon { font-size: 1.7rem; }
.tool-card h3 { margin: .35em 0 .25em; }
.tool-card p { color: var(--muted); font-size: .95rem; margin: 0 0 .8em; }
.tool-card .go { color: var(--accent-dark); font-weight: 600; font-size: .92rem; }

/* Tool page layout */
.tool-wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 22px; margin: 26px 0; align-items: start; }
@media (max-width: 900px) { .tool-wrap { grid-template-columns: 1fr; } }

.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.panel h2 { margin-top: 0; font-size: 1.15rem; }

/* Forms */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 5px; color: var(--ink); }
.field .hint { font-size: .78rem; color: var(--muted); font-weight: 400; }
.field input, .field select {
  width: 100%; padding: 10px 12px; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 9px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; align-items: center; gap: 8px; font-size: .92rem; margin: 10px 0 14px; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }

.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--accent); color: #fff; font-size: 1rem; font-weight: 600;
  padding: 12px 22px; border-radius: 10px; width: 100%;
}
.btn:hover { background: var(--accent-dark); }

/* Results */
.big-number { font-size: 2.35rem; font-weight: 800; letter-spacing: -.5px; margin: 2px 0 0; }
.big-label { font-size: .88rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
.result-item { background: var(--accent-soft); border-radius: 10px; padding: 12px 14px; }
.result-item .ri-label { font-size: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.result-item .ri-value { font-size: 1.25rem; font-weight: 700; }

/* Breakdown bars */
.bar-row { margin: 10px 0; }
.bar-row .bar-head { display: flex; justify-content: space-between; font-size: .88rem; margin-bottom: 4px; }
.bar-track { height: 10px; background: var(--border); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; background: var(--accent); }
.bar-fill.alt1 { background: #2e86c1; }
.bar-fill.alt2 { background: #b8874b; }
.bar-fill.alt3 { background: #8e6bbf; }
.bar-fill.alt4 { background: #c1564c; }

/* Tables */
.table-scroll { overflow-x: auto; margin: 14px 0; }
table.data {
  width: 100%; border-collapse: collapse; font-size: .9rem;
}
table.data th, table.data td { padding: 8px 12px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data th { background: var(--accent-soft); color: var(--accent-dark); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
table.data td:first-child, table.data th:first-child { text-align: left; }
table.data tr:hover td { background: #f2f8f5; }

/* Chart */
.chart-box { margin: 16px 0; }
.chart-box svg { width: 100%; height: auto; display: block; }

/* Methodology & content sections */
.content-section { max-width: 780px; margin: 34px auto; }
.content-section h2 { border-top: 1px solid var(--border); padding-top: 1.2em; }
.formula {
  background: #f0f4f2; border-left: 4px solid var(--accent);
  padding: 12px 16px; border-radius: 8px;
  font-family: var(--mono); font-size: .92rem; overflow-x: auto;
}
.note {
  background: var(--warn-bg); border: 1px solid var(--warn-border);
  border-radius: 10px; padding: 12px 16px; font-size: .92rem; margin: 16px 0;
}
.privacy-note {
  background: var(--accent-soft); border: 1px solid var(--accent);
  border-radius: 10px; padding: 12px 16px; font-size: .92rem; margin: 16px 0;
}

/* FAQ */
details.faq {
  background: var(--card); border: 1px solid var(--border); border-radius: 11px;
  padding: 14px 18px; margin: 10px 0;
}
details.faq summary { font-weight: 600; cursor: pointer; }
details.faq p { margin: 10px 0 2px; color: var(--muted); }

/* Footer */
.site-footer {
  background: var(--card); border-top: 1px solid var(--border);
  margin-top: 48px; padding: 30px 0; font-size: .88rem; color: var(--muted);
}
.site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; }
.disclaimer { font-size: .8rem; opacity: .85; }

@media (max-width: 560px) {
  h1 { font-size: 1.55rem; }
  .hero h1 { font-size: 1.75rem; }
  .big-number { font-size: 1.95rem; }
  .result-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}