/* ==========================================================================
   AnyCalcOnline design system — "instrument panel"
   Replaces: styles.css, enhanced-ui.css, mobile.css, navigation.css,
   footer.css, improved-footer.css, calculator-icons.css, category-pages.css,
   optimized-spacing.css, optimized-featured-calculators.css,
   mobile-optimizations.css, speed-optimizations.css, view-all-button.css,
   featured-calculators-homepage.css, search-feature.css, calculator-layout.css,
   calculator-results.css, explanation-section.css, contact-footer.css,
   export-button-fix.css, navigation-fix.css, watermark.css, blue-footer.css,
   financial-category.css, featured-calculators.css, remove-spacing.css,
   statistics-*.css (4 files), improved-footer.css duplicate
   ========================================================================== */

:root {
  --paper: #EDEFEA;
  --paper-deep: #E4E7E0;
  --card: #FBFAF7;
  --ink: #16211D;
  --ink-soft: #3C4139;
  --muted: #5B5F57;
  --line: #D7D9D0;
  --line-strong: #C2C5BB;
  --teal: #146356;
  --teal-dark: #0E4A40;
  --teal-tint: #E1F5EE;
  --amber: #C97A22;
  --amber-tint: #FAEEDA;
  --readout-bg: #16211D;
  --readout-text: #F2F1EA;
  --readout-muted: #8E9A92;
  --danger: #A32D2D;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --shadow-card: 0 1px 2px rgba(22, 33, 29, 0.04);
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
h1 { font-size: 30px; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 32px 0 12px; }
h3 { font-size: 17px; margin: 24px 0 8px; }
p { margin: 0 0 14px; color: var(--ink-soft); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- readout number style (the site's signature) ---------- */
.readout {
  font-family: var(--font-mono);
  font-weight: 500;
  border-bottom: 2px solid var(--teal);
  padding-bottom: 1px;
}
.readout.amber { border-bottom-color: var(--amber); }

/* ---------- header / nav ---------- */
header {
  background: var(--paper);
  border-bottom: 0.5px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 24px;
}
.logo a { display: inline-flex; align-items: baseline; text-decoration: none; }
.logo-mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo-mark .accent { color: var(--teal); }
nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}
nav a:hover { color: var(--teal); text-decoration: none; }

/* ---------- search ---------- */
.search-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px 0;
  position: relative;
}
.search-container.fixed-search { padding-top: 14px; }
.search-box {
  width: 100%;
  padding: 11px 16px;
  border: 0.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
}
.search-box:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-tint); }
.search-results {
  position: absolute;
  left: 24px; right: 24px; top: 100%;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(22,33,29,0.12);
  z-index: 50;
  max-height: 360px;
  overflow-y: auto;
}
.search-results:empty { display: none; border: none; box-shadow: none; }
.search-results a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 0.5px solid var(--line);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--paper); text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  border: 0.5px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); text-decoration: none; }
.btn-secondary { background: transparent; border-color: var(--line-strong); color: var(--ink-soft); }
.btn-secondary:hover { background: var(--card); text-decoration: none; }
.use-calculator-btn, .view-all-btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
}
.use-calculator-btn:hover, .view-all-btn:hover { background: var(--teal-dark); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  padding: 48px 0 32px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero h1 { font-size: 36px; max-width: 520px; }
.hero-sub { font-size: 15px; color: var(--muted); max-width: 460px; margin-bottom: 20px; }
.hero-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 0.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  max-width: 420px;
}
.hero-panel {
  background: var(--readout-bg);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}
.hero-panel .readout-row { margin-bottom: 18px; }
.hero-panel .readout-row:last-child { margin-bottom: 0; }
.hero-panel .readout-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--readout-muted);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.hero-panel .readout-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--readout-text);
  border-bottom: 2px solid var(--teal);
  display: inline-block;
  padding-bottom: 2px;
}
.hero-panel .readout-value.amber { border-bottom-color: var(--amber); }
.hero-panel .readout-value .unit { color: var(--readout-muted); font-size: 15px; }

/* ---------- trust strip ---------- */
.trust-strip {
  display: flex;
  border-top: 0.5px solid var(--line);
  border-bottom: 0.5px solid var(--line);
  padding: 20px 0;
  margin-bottom: 8px;
}
.trust-item { flex: 1; padding: 0 20px; border-left: 0.5px solid var(--line); }
.trust-item:first-child { border-left: none; padding-left: 0; }
.trust-item .stat { font-family: var(--font-mono); font-size: 20px; font-weight: 500; color: var(--ink); }
.trust-item .label { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- category trays (homepage + category pages) ---------- */
.categories-wrapper { padding: 20px 0 40px; }
.category { margin-bottom: 36px; }
.category h2 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 0.5px solid var(--line);
  padding-bottom: 10px;
  margin: 0 0 14px;
}
.calculator-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.calculator-list li { margin: 0; }
.calculator-list a {
  display: block;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.calculator-list a:hover { border-color: var(--teal); text-decoration: none; }

.view-all-btn { display: inline-block; margin: 4px 0 8px; }

/* ---------- featured calculators (homepage cards with icons) ---------- */
.featured-calculators {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  padding: 8px 0 40px;
}
.featured-calculator-card {
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.featured-calculator-card h3 { margin: 12px 0 6px; font-size: 16px; }
.featured-calculator-card p { font-size: 13px; margin-bottom: 14px; }
.featured-calculator-card i,
.featured-calculator-card .calculator-icon {
  color: var(--teal);
  background: var(--teal-tint);
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.featured-calculator-card .calculator-icon svg { width: 22px; height: 22px; fill: var(--teal-dark); }

/* ---------- category listing page (icon rows) ---------- */
.category-title { font-size: 28px; margin: 32px 0 20px; }
.calculator-category { margin-bottom: 24px; }
.calculator-item {
  display: block;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.calculator-item:hover { border-color: var(--teal); text-decoration: none; }
.calculator-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.calculator-item-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--teal-tint);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.calculator-item-title { margin: 0; font-size: 16px; color: var(--ink); }
.calculator-item-description { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- calculator page ---------- */
.calculator-container {
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 28px 0;
}
.calculator-header { margin-bottom: 24px; border-bottom: 0.5px solid var(--line); padding-bottom: 20px; }
.calculator-header h1 { font-size: 26px; }
.calculator-description { font-size: 14px; color: var(--muted); margin: 0; }

.calculator-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--ink-soft); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  border: 0.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  background: #fff;
  color: var(--ink);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-tint);
}
.calculator-buttons { grid-column: 1 / -1; display: flex; gap: 12px; margin-top: 8px; }

.calculator-result {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 0.5px solid var(--line);
}
.result-title { font-size: 18px; margin: 0 0 16px; }
.result-details { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-bottom: 8px; }
.result-item {
  background: var(--readout-bg);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.result-label { font-size: 11px; color: var(--readout-muted); font-family: var(--font-mono); letter-spacing: 0.03em; }
.result-value { font-family: var(--font-mono); font-size: 20px; font-weight: 500; color: var(--readout-text); border-bottom: 2px solid var(--teal); display: inline-block; padding-bottom: 1px; width: fit-content; }

.payment-breakdown, .breakdown-section { margin-top: 20px; }
.breakdown-item, .breakdown-row {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  border-bottom: 0.5px solid var(--line);
  font-size: 14px;
}
.breakdown-item:last-child { border-bottom: none; }
.breakdown-value { font-family: var(--font-mono); color: var(--teal-dark); font-weight: 500; }

.explanation-section { margin-top: 32px; padding-top: 24px; border-top: 0.5px solid var(--line); }
.explanation-section h2 { font-size: 20px; }
.explanation-section h3 { font-size: 16px; }
.formula {
  font-family: var(--font-mono);
  background: var(--paper-deep);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 12px 0;
  font-size: 14px;
  color: var(--ink);
  overflow-x: auto;
}
.explanation-section ul { color: var(--ink-soft); font-size: 15px; }

/* chart containers created dynamically by calculator JS */
.chart-wrapper, [id$="-chart-container"] {
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}

/* ---------- legal / info pages ---------- */
.privacy-container { max-width: 760px; margin: 0 auto; padding: 40px 0 60px; }
.privacy-container h1 { font-size: 28px; }
.sitemap-container { max-width: 900px; margin: 0 auto; padding: 40px 24px 60px; }

/* ---------- footer ---------- */
footer { background: var(--ink); color: var(--readout-text); margin-top: 40px; }
.footer-container { padding: 44px 24px 24px; }
.footer-description h3 { color: #fff; font-size: 16px; }
.footer-description p { color: #A9B3AC; font-size: 13px; max-width: 640px; }
.footer-features {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px; margin: 24px 0; padding-top: 24px; border-top: 0.5px solid #2B3730;
}
.footer-feature h4 { color: #fff; font-size: 13px; margin: 0 0 6px; font-family: var(--font-body); font-weight: 500; }
.footer-feature p { color: #8E9A92; font-size: 12px; margin: 0; }
.footer-links {
  list-style: none; display: flex; gap: 20px; flex-wrap: wrap;
  padding-top: 20px; border-top: 0.5px solid #2B3730; margin: 0;
}
.footer-links a { color: #A9B3AC; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 0.5px solid #2B3730; padding: 16px 24px; text-align: center; }
.footer-bottom p { color: #6E7A72; font-size: 12px; margin: 0; }

/* ---------- utility ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .header-container { flex-wrap: wrap; gap: 12px; }
  nav ul { gap: 14px; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 26px; }
  .trust-strip { flex-direction: column; gap: 12px; }
  .trust-item { border-left: none; padding-left: 0; border-top: 0.5px solid var(--line); padding-top: 12px; }
  .trust-item:first-child { border-top: none; padding-top: 0; }
  .calculator-container { padding: 20px; }
  .calculator-form { grid-template-columns: 1fr; }
  nav ul { display: none; }
}