/* ==========================================================================
   factocap.in — shared design system
   Ledger / passbook inspired: deep indigo ink, emerald accent, mono figures
   ========================================================================== */

:root {
  color-scheme: light only;

  /* Palette */
  --ink: #142441;          /* deep indigo — headings, primary text */
  --ink-soft: #3C4A63;     /* secondary text */
  --muted: #6B7385;        /* captions, helper text */
  --paper: #F7F6F2;        /* page background */
  --card: #FFFFFF;         /* card background */
  --line: #E4E1D8;         /* hairline borders */
  --accent: #1F7A5C;       /* emerald — primary actions, positive figures */
  --accent-dark: #145A42;
  --accent-soft: #E6F1EC;  /* light emerald tint for badges/highlights */
  --brass: #A9824C;        /* muted brass — secondary highlight, rare use */
  --warn: #B4491F;         /* warnings / negative figures */
  --warn-soft: #FBEAE2;

  /* Type */
  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(20,36,65,0.06), 0 8px 24px rgba(20,36,65,0.06);
}

* { box-sizing: border-box; }
html { color-scheme: light only; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  margin: 0 0 0.4em;
  letter-spacing: -0.01em;
}

a { color: var(--accent-dark); }

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Site header ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.brand .dot { color: var(--accent); }
.site-header nav a {
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 20px;
}
.site-header nav a:hover { color: var(--accent-dark); }

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin: 18px 0 6px;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-dark); }

/* ---- Tool layout ---- */
.tool-head { margin: 8px 0 24px; }
.tool-head p { color: var(--ink-soft); font-size: 15px; max-width: 60ch; }

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 16px 0 6px;
}
label:first-child { margin-top: 0; }

input[type="number"], input[type="text"], input[type="date"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  background: #FCFCFA;
}
input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  margin-top: 6px;
}

.field-row { display: flex; justify-content: space-between; align-items: baseline; }
.field-row .value { font-family: var(--font-mono); color: var(--accent-dark); font-weight: 600; font-size: 14px; }

/* ---- Ledger-style result panel ---- */
.ledger {
  background: var(--ink);
  color: #EDEFF4;
  border-radius: var(--radius);
  padding: 24px;
}
.ledger .headline-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #AEB8CC;
  margin-bottom: 4px;
}
.ledger .headline-value {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 18px;
}
.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 0;
  border-top: 1px solid rgba(237,239,244,0.14);
  font-size: 14px;
}
.ledger-row .k { color: #C3CADA; flex: 1 1 auto; min-width: 0; }
.ledger-row .v { font-family: var(--font-mono); color: #FFFFFF; font-weight: 600; flex: 0 0 auto; text-align: right; white-space: nowrap; }
.ledger-row.total .v { color: #7CD9B2; }

.bar {
  height: 10px;
  border-radius: 6px;
  background: rgba(237,239,244,0.14);
  overflow: hidden;
  display: flex;
  margin: 14px 0 4px;
}
.bar .principal { background: #7CD9B2; }
.bar .interest { background: #E3A15B; }
.bar-legend { display: flex; gap: 16px; font-size: 12px; color: #C3CADA; }
.bar-legend span::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
  margin-right: 6px;
}
.bar-legend .l1::before { background: #7CD9B2; }
.bar-legend .l2::before { background: #E3A15B; }

.disclaimer {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

/* ---- Homepage tool grid ---- */
.hero {
  padding: 56px 0 36px;
  border-bottom: 1px solid var(--line);
}
.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 10px;
}
.hero h1 { font-size: 40px; max-width: 16ch; }
.hero p { font-size: 16px; color: var(--ink-soft); max-width: 56ch; }

.phase-section { padding: 36px 0; border-bottom: 1px solid var(--line); }
.phase-section h2 { font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-family: var(--font-body); font-weight: 700; margin-bottom: 18px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 720px) { .tool-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .tool-grid { grid-template-columns: 1fr; } }

.tool-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, transform 0.15s;
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tool-card .name { font-weight: 600; color: var(--ink); font-size: 15px; margin-bottom: 4px; }
.tool-card .desc { font-size: 12.5px; color: var(--muted); }
.tool-card.soon { opacity: 0.55; pointer-events: none; }
.tool-card .badge {
  display: inline-block;
  font-size: 10.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--accent-soft);
  color: var(--accent-dark);
  padding: 2px 7px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.tool-card.soon .badge { background: var(--line); color: var(--muted); }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---- SEO content block (explainer + FAQ) ---- */
.seo-content {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.seo-content h2 {
  font-size: 20px;
  margin-bottom: 12px;
}
.seo-content p {
  font-size: 14.5px;
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 0 0 14px;
}
.faq { margin-top: 20px; }
.faq h2 { font-size: 18px; margin-bottom: 10px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--card);
}
.faq summary {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
  cursor: pointer;
}
.faq details p {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---- Legal / static pages ---- */
.legal p, .legal li { font-size: 14.5px; color: var(--ink-soft); line-height: 1.7; }
.legal h2 { font-size: 18px; margin-top: 28px; }
.legal ul { padding-left: 20px; }

/* ---- Rate table ---- */
table.rates {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.rates th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
table.rates td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
}
table.rates td:first-child { font-family: var(--font-body); font-weight: 600; }
table.rates tr:hover { background: var(--accent-soft); }
.rates-updated { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* ---- Blog ---- */
.blog-hero { padding: 40px 0 24px; }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 720px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, transform 0.15s;
}
.blog-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.blog-card .category { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-dark); font-weight: 700; margin-bottom: 8px; }
.blog-card h3 { font-size: 17px; margin: 0 0 8px; color: var(--ink); }
.blog-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.article-body h2 { font-size: 21px; margin-top: 28px; }
.article-body h3 { font-size: 17px; margin-top: 20px; }
.article-body p { font-size: 15px; color: var(--ink-soft); line-height: 1.7; max-width: 72ch; margin: 0 0 16px; }
.article-body ul, .article-body ol { font-size: 15px; color: var(--ink-soft); line-height: 1.7; max-width: 72ch; padding-left: 22px; margin: 0 0 16px; }
.article-body li { margin-bottom: 6px; }
.article-cta {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 24px 0;
}
.article-cta a { font-weight: 600; }