/* CalcFit — shared design, local system fonts, no external font requests. */

/* CSS Custom Properties */
:root {
  --color-primary: #15803d;
  --color-primary-dark: #166534;
  --color-primary-light: #dcfce7;
  --color-primary-lighter: #f0fdf4;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-alt: #f1f5f9;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-danger: #ef4444;
  --color-danger-light: #fef2f2;
  --color-warning: #f59e0b;
  --color-warning-light: #fffbeb;
  --color-info: #3b82f6;
  --color-info-light: #eff6ff;
  --color-success: #22c55e;
  --color-success-light: #f0fdf4;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
  --max-width: 1240px;
  --header-height: 68px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
button { cursor: pointer; font-family: var(--font-family); border: none; background: none; }
input, select, textarea { font-family: var(--font-family); font-size: 16px; }
ul, ol { list-style: none; }

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1200px) { .container { padding: 0 40px; } }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-icon svg { color: white; }
.logo-text {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.logo-text span { color: var(--color-primary); }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  display: inline-block;
  padding: 7px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-lighter);
}
.nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--color-primary-dark) !important; }
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.mobile-menu-btn:hover { background: var(--color-surface); }
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
@media (max-width: 900px) {
  .mobile-menu-btn { display: flex; }
  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 20px 16px;
    box-shadow: var(--shadow-lg);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 14px; font-size: 0.9375rem; }
}

/* ============================================
   ADSENSE PLACEHOLDERS
   ============================================ */
.ad-unit {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  color: var(--color-text-light);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 16px 0;
}
.ad-unit--leaderboard { min-height: 90px; }
.ad-unit--rectangle { min-height: 250px; max-width: 336px; }
.ad-unit--wide { min-height: 90px; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-lighter) 0%, var(--color-bg) 60%);
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--color-border-light);
}
.hero-content { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 16px;
}
.hero h1 span { color: var(--color-primary); }
.hero p {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================
   CALCULATOR CARD
   ============================================ */
.calculator-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  max-width: 720px;
  margin: 0 auto;
}
@media (max-width: 767px) { .calculator-card { padding: 20px 16px; border-radius: var(--radius-lg); } }

.calc-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.calc-title-icon {
  width: 36px; height: 36px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.calc-title-icon svg { color: var(--color-primary); }

/* Form Layout */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .form-group--full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-input,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Toggle Switch for units */
.unit-toggle {
  display: inline-flex;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}
.unit-toggle button {
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.unit-toggle button.active {
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Radio group */
.radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  flex: 1;
  min-width: 100px;
  user-select: none;
}
.radio-option:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-lighter); }
.radio-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
  color: var(--color-primary-dark);
}
.radio-dot {
  width: 18px; height: 18px;
  border: 2px solid currentColor;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.radio-dot::after {
  content: '';
  width: 8px; height: 8px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition);
}
.radio-option.selected .radio-dot::after { opacity: 1; }

/* Height/weight inputs with unit */
.input-with-unit {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
.input-with-unit .form-input { flex: 1; min-width: 0; }
.input-unit {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Calculate button */
.calc-btn {
  width: 100%;
  padding: 14px 24px;
  background: var(--color-primary);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 20px;
  letter-spacing: 0.01em;
}
.calc-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(34, 197, 94, 0.35);
}
.calc-btn:active { transform: translateY(0); }

/* ============================================
   RESULTS
   ============================================ */
.results {
  margin-top: 28px;
  display: none;
  animation: fadeIn 0.3s ease;
}
.results.visible { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.results-header {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

/* Primary result - TDEE/BMI */
.result-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #16a34a 100%);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: white;
  text-align: center;
  margin-bottom: 16px;
}
.result-primary .result-label {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.85;
  margin-bottom: 6px;
}
.result-primary .result-value {
  font-size: clamp(2.5rem, 7vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.result-primary .result-unit {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.8;
  margin-top: 4px;
}

/* Result grid */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: all var(--transition);
}
.result-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.result-card .card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.result-card .card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.result-card .card-unit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}
.result-card.loss .card-value { color: #ef4444; }
.result-card.gain .card-value { color: #3b82f6; }
.result-card.bmr .card-value { color: var(--color-primary-dark); }

/* Macro breakdown */
.macro-breakdown {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-top: 12px;
}
.macro-title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.macro-bars { display: flex; flex-direction: column; gap: 10px; }
.macro-bar-item {}
.macro-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}
.macro-bar-label { font-size: 0.875rem; font-weight: 600; color: var(--color-text); }
.macro-bar-value { font-size: 0.875rem; color: var(--color-text-muted); }
.macro-bar-bg {
  height: 8px;
  background: var(--color-border);
  border-radius: 100px;
  overflow: hidden;
}
.macro-bar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.6s ease;
}
.macro-bar-fill.protein { background: #22c55e; }
.macro-bar-fill.carbs { background: #3b82f6; }
.macro-bar-fill.fat { background: #f59e0b; }

/* BMI Scale */
.bmi-scale {
  margin: 16px 0;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}
.bmi-scale-bar {
  height: 14px;
  border-radius: 100px;
  background: linear-gradient(to right, #60a5fa 0%, #34d399 20%, #fbbf24 60%, #f87171 80%, #dc2626 100%);
  position: relative;
  margin: 12px 0 8px;
}
.bmi-marker {
  position: absolute;
  top: -4px;
  width: 22px;
  height: 22px;
  background: var(--color-text);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: var(--shadow-md);
  transform: translateX(-50%);
  transition: left 0.5s ease;
}
.bmi-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}
.bmi-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 8px;
}

/* CSS Pie Chart */
.pie-chart-container {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}
.pie-chart {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}
.pie-legend { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.legend-item { display: flex; align-items: center; gap: 8px; }
.legend-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-text { font-size: 0.875rem; color: var(--color-text); }
.legend-text strong { font-weight: 700; }

/* Safety flag */
.safety-flag {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-top: 12px;
  font-size: 0.875rem;
  line-height: 1.5;
}
.safety-flag.safe { background: var(--color-success-light); color: #15803d; }
.safety-flag.warning { background: var(--color-warning-light); color: #92400e; }
.safety-flag.danger { background: var(--color-danger-light); color: #991b1b; }
.safety-flag svg { flex-shrink: 0; margin-top: 1px; }

/* Ideal Weight Table */
.ideal-weight-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
}
.ideal-weight-table th,
.ideal-weight-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.ideal-weight-table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  background: var(--color-surface);
}
.ideal-weight-table tr:last-child td { border-bottom: none; }
.ideal-weight-table td:last-child { font-weight: 700; color: var(--color-primary-dark); }

/* ============================================
   PAGE CONTENT
   ============================================ */
.page-section {
  padding: 56px 0;
  border-top: 1px solid var(--color-border-light);
}
.page-section--alt { background: var(--color-surface); }
.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* Calculator grid cards */
.calc-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.calc-nav-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.calc-nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
}
.calc-nav-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.calc-nav-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.calc-nav-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.calc-nav-card .card-arrow {
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Article content */
.article-body {
  max-width: 740px;
  margin: 0 auto;
}
.article-body h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 14px;
  letter-spacing: -0.02em;
}
.article-body h2:first-child { margin-top: 0; }
.article-body p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 1.0125rem;
}
.article-body p:last-child { margin-bottom: 0; }
.article-body strong { color: var(--color-text); font-weight: 600; }
.article-body ul, .article-body ol {
  margin: 0 0 16px 24px;
  list-style: disc;
}
.article-body li {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 6px;
  font-size: 1.0125rem;
}

/* FAQ Section */
.faq-list { max-width: 740px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  background: var(--color-bg);
  cursor: pointer;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--color-surface); }
.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--color-primary);
  transform: rotate(45deg);
}
.faq-icon svg { color: var(--color-text-muted); }
.faq-item.open .faq-icon svg { color: white; }
.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-light);
}
.faq-item.open .faq-answer { display: block; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }
.footer-brand .logo-text { color: white; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 300px; }
.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.875rem; }
.footer-disclaimer {
  font-size: 0.8125rem;
  text-align: right;
  opacity: 0.5;
  max-width: 400px;
}
@media (max-width: 600px) { .footer-disclaimer { text-align: left; } }

/* ============================================
   PAGE HERO (non-homepage)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-lighter) 0%, var(--color-bg) 60%);
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--color-border-light);
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 10px;
}
.page-hero p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 560px;
}

/* ============================================
   ABOUT / CONTACT / PRIVACY PAGES
   ============================================ */
.prose-page {
  max-width: 740px;
  margin: 0 auto;
  padding: 56px 0;
}
.prose-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 8px;
}
.prose-page h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 12px;
}
.prose-page h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 24px 0 8px;
}
.prose-page p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 1rem;
}
.prose-page ul, .prose-page ol {
  margin: 0 0 16px 24px;
}
.prose-page ul { list-style: disc; }
.prose-page ol { list-style: decimal; }
.prose-page li {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 6px;
}
.prose-page a { color: var(--color-primary); }
.prose-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

/* Contact form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
  max-width: 560px;
  margin: 32px 0;
}
@media (max-width: 600px) { .contact-form { padding: 24px 20px; } }
.contact-form .form-group { margin-bottom: 18px; }
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  resize: vertical;
  min-height: 120px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* Mission box */
.mission-box {
  background: var(--color-primary-lighter);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 24px 0;
}
.mission-box p {
  color: var(--color-text) !important;
  font-size: 1.0625rem !important;
  font-style: italic;
  margin: 0 !important;
}

/* Calculator list */
.calculator-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.calculator-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition);
}
.calculator-list-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-lighter);
}
.calculator-list-item svg { color: var(--color-primary); flex-shrink: 0; }

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 24px 0;
}

/* Error state */
.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  font-weight: 500;
  margin-top: 4px;
}
.form-input.error, .form-select.error { border-color: var(--color-danger); }

/* Category quick-jump pills (calculators hub page) */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 8px;
}
.category-pill {
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  transition: all var(--transition);
}
.category-pill:hover {
  background: var(--color-primary-lighter);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* Quick Answer callout — direct-answer block for AI/answer-engine extraction */
.quick-answer {
  background: var(--color-primary-lighter);
  border: 1px solid var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 20px;
  margin: 0 0 28px;
  max-width: 740px;
}
.quick-answer p {
  color: var(--color-text) !important;
  font-size: 1.0625rem !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}
.quick-answer .quick-answer-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

/* Cookie / Ad Consent Banner (Google Consent Mode v2) */
.consent-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-text);
  padding: 16px 20px;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.consent-banner.visible { display: block; }
.consent-banner-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.consent-banner-content p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  flex: 1;
  min-width: 220px;
}
.consent-banner-content a { color: var(--color-primary); text-decoration: underline; }
.consent-banner-actions { display: flex; gap: 10px; flex-shrink: 0; }
.consent-btn {
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.consent-btn--reject {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: white;
}
.consent-btn--reject:hover { border-color: rgba(255,255,255,0.6); }
.consent-btn--accept {
  background: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  color: white;
}
.consent-btn--accept:hover { background: var(--color-primary-dark); }
@media (max-width: 640px) {
  .consent-banner-content { flex-direction: column; align-items: stretch; text-align: center; }
  .consent-banner-actions { justify-content: stretch; }
  .consent-btn { flex: 1; }
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.4; }

/* Launch accessibility, privacy and reading improvements */
[hidden] { display: none !important; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 1000; padding: 12px 18px; background: #fff; color: #166534; border: 2px solid #166534; }
.skip-link:focus { top: 8px; }
:focus-visible { outline: 3px solid #166534; outline-offset: 4px; }
a { color: #166534; }
.text-button { color: inherit; text-decoration: underline; text-underline-offset: 3px; padding: 4px 0; font-size: inherit; text-align: left; }
.editorial-note { margin: 0 0 24px; padding: 12px 0; color: #475569; font-size: .875rem; border-bottom: 1px solid #e2e8f0; }
.lead { font-size: 1.15rem; color: #475569; }
.prose-page p, .prose-page li { overflow-wrap: anywhere; }
.prose-page ul { list-style: disc; padding-left: 24px; margin: 16px 0; }
.table-scroll { max-width:100%; overflow-x:auto; margin:20px 0; }
.table-scroll table { min-width: 480px; }
.prose-page table { width:100%; }
.prose-page td, .prose-page th { text-align:left; vertical-align:top; padding:12px; }
.contact-form textarea { width:100%; padding:12px; border:1px solid #94a3b8; border-radius:8px; }
.contact-form p { margin:12px 0; }
button:disabled { opacity:.6; cursor:wait; }
.consent-banner.visible { max-height: 55vh; overflow-y:auto; }
.consent-btn { min-height:44px; }
.calc-btn, .nav-cta { background: #166534; color:#fff; }
.calc-btn:hover, .site-nav .nav-cta:hover { background:#14532d; color:#fff; }
@media (max-width:560px) { .prose-page { padding-top:24px; } .footer-bottom { gap:12px; } .header-inner { gap:12px; } .table-scroll { margin-right:0; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *, *::before, *::after { animation:none !important; transition:none !important; } }

/* Clearer hierarchy and shared reading surfaces. */
:root { --color-text:#18352c; --color-text-muted:#53665e; --color-text-light:#53665e; --color-primary:#176b46; --color-primary-dark:#125336; --color-primary-lighter:#f1f7f2; --color-border:#dbe5de; --color-surface:#f7f9f6; --radius-xl:22px; }
.header-inner { width:100%; }
.site-header { background:#fff; }
.logo-icon { border-radius:11px; }
.logo-text { letter-spacing:-.055em; font-size:1.5rem; }
.site-nav a { min-height:40px; display:inline-flex; align-items:center; }
.hero { background:#f3f6ee; }
.page-hero { background:#f3f6ee; }
.calculator-card { box-shadow:0 12px 32px rgba(24,53,44,.06); border-color:#d5e2d8; }
.calc-btn { min-height:50px; border-radius:12px; box-shadow:none; }
.form-input, .form-select { min-height:46px; }
input::placeholder { color:#77867f; }
section[id], h2[id], .calculator-card[id] { scroll-margin-top:90px; }
.calc-nav-card { box-shadow:none; border-color:var(--color-border); border-radius:18px; transition:border-color .2s, background .2s; }
.calc-nav-card:hover { transform:none; box-shadow:none; background:#f5faf5; border-color:#93bca2; }
.calc-nav-card h3 { letter-spacing:-.02em; }
.calc-nav-card-icon { border-radius:12px; }
.article-body { max-width:780px; }
.article-body p, .article-body li { color:#44594e; line-height:1.85; }
.article-body a, .prose-page a { text-decoration:underline; text-underline-offset:3px; }
.article-body h2 { letter-spacing:-.025em; line-height:1.3; }
.prose-page h2 { padding-top:12px; border-top:1px solid var(--color-border); }
.footer-disclaimer { opacity:1; color:#b6c6bd; }
.site-footer { background:#14372a; }
.site-footer .logo-text { color:#fff; }
.site-footer a:hover { color:#bbf7d0; }
.consent-banner-content a { color:#bbf7d0; }
.breadcrumb { flex-wrap:wrap; }
.home-page .hero { padding:56px 0; }
.home-page .hero > .container { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:56px; align-items:start; }
.home-page .hero-content { text-align:left; margin:30px 0 0; max-width:none; }
.home-page .hero h1 { font-size:clamp(2.25rem,4.4vw,3.65rem); letter-spacing:-.055em; line-height:1.08; margin-bottom:24px; }
.home-page .hero p { margin-left:0; margin-right:0; }
.home-page .hero .hero-eyebrow { font-size:.75rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; margin-bottom:16px; color:#446052; }
.home-page .hero-badge { background:#e0ebda; border:1px solid #cddfc6; margin-bottom:28px; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin:28px 0; }
.button-primary, .button-secondary { display:inline-flex; gap:16px; align-items:center; justify-content:space-between; padding:13px 18px; border-radius:10px; font-size:.875rem; font-weight:650; min-height:48px; }
.button-primary { background:#176b46; color:#fff; }
.button-primary:hover { background:#125336; color:#fff; }
.button-secondary { border:1px solid #bbcdbf; color:#204e38; }
.button-secondary:hover { background:#e7efe3; }
.hero-facts { display:flex; gap:22px; border-top:1px solid #d4dfce; padding:24px 0; margin-top:32px; }
.hero-facts li { font-size:.75rem; color:#53665e; }
.hero-facts strong { display:block; font-size:1rem; font-weight:700; color:#244a36; margin-bottom:2px; }
.hero-method { display:inline-block; font-size:.8125rem; text-decoration:underline; text-underline-offset:4px; }
.home-page .calculator-card { width:100%; padding:28px; background:#fff; }
.home-page .calc-title { margin-bottom:8px; }
.home-page .hero .calc-intro { font-size:.875rem; margin-bottom:22px; line-height:1.5; }
.home-page .hero .calculator-footnote { font-size:.75rem; line-height:1.65; margin-top:16px; }
.calculator-footnote a { text-decoration:underline; }
.home-page .quick-answer { max-width:none; margin:30px 0 0; background:#fff; border:1px solid var(--color-border); border-radius:14px; padding:22px 26px; }
.home-page .calc-cards-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
.directory-card { background:#ecf4e9; }
.directory-card .calc-nav-card-icon { font-size:1.8rem; background:#d8e8d3; color:#245b3e; }
.article-jumps { display:flex; flex-wrap:wrap; gap:8px 20px; padding:16px 0; margin:8px 0 24px; border-block:1px solid var(--color-border); font-size:.875rem; }
.formula-block { background:#eaf3e9; border-left:3px solid #176b46; border-radius:0 12px 12px 0; padding:20px 24px; margin:20px 0; }
.formula-block p { font-size:.9375rem; }
.comparison-table { width:100%; border-collapse:collapse; font-size:.9375rem; }
.comparison-table caption { text-align:left; font-size:.875rem; color:#53665e; margin-bottom:12px; }
.comparison-table th, .comparison-table td { text-align:left; vertical-align:top; padding:14px 16px; border-bottom:1px solid var(--color-border); }
.comparison-table thead { background:#eaf0e7; }
.comparison-table tbody th { font-weight:600; }
.directory-page .page-hero p { max-width:650px; }
.directory-search { max-width:720px; margin:28px 0 20px; }
.directory-search label { display:block; font-weight:650; margin-bottom:8px; font-size:.9375rem; }
.search-input-row { display:flex; gap:10px; }
.search-input-row input { width:100%; min-width:0; padding:15px 18px; border:1px solid #9db3a3; background:#fff; border-radius:12px; }
.search-input-row button { flex-shrink:0; color:#165135; text-decoration:underline; padding:8px; min-height:44px; }
.directory-search #search-count { margin-top:10px; font-size:.8125rem; }
.directory-search #search-empty { padding:16px 0; color:#244a36; font-size:.9375rem; }
.directory-page .category-pills { margin-top:22px; gap:8px; }
.category-pill { min-height:42px; display:inline-flex; align-items:center; }
.directory-page .page-section { padding-block:40px; }
@media (max-width:1050px) {
  .home-page .hero > .container { gap:28px; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); }
  .hero-facts { gap:14px; }
}
@media (max-width:900px) {
  .home-page .hero > .container { grid-template-columns:minmax(0,1fr); gap:28px; }
  .home-page .hero-content { margin:0; max-width:640px; }
  .home-page .hero h1 { font-size:clamp(2.25rem,6vw,3.5rem); }
  .home-page .calculator-card { max-width:none; }
  .hero-facts { margin-top:24px; padding:18px 0; gap:28px; }
  .home-page .calc-cards-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:560px) {
  .home-page .hero { padding:28px 0; }
  .home-page .hero-badge { margin-bottom:20px; }
  .home-page .hero h1 { font-size:2.45rem; }
  .home-page .hero .hero-eyebrow { font-size:.65rem; }
  .home-page .calculator-card { padding:22px 18px; }
  .hero-actions { gap:10px; margin:22px 0; }
  .button-primary, .button-secondary { padding:12px 14px; gap:10px; font-size:.8125rem; }
  .hero-facts { gap:18px; }
  .hero-facts strong { font-size:.875rem; }
  .hero-facts li { font-size:.6875rem; }
  .home-page .calc-cards-grid { grid-template-columns:minmax(0,1fr); }
  .home-page .quick-answer { padding:18px; }
  .page-section { padding-block:36px; }
  .formula-block { padding:16px; }
  .search-input-row { flex-wrap:wrap; }
}