/* Mortgage Rate Lock Timing Guide - Styles */
:root {
  --color-primary: #2D5F3E;
  --color-primary-dark: #1B3D27;
  --color-primary-light: #E8F5E9;
  --color-accent: #D4A843;
  --color-accent-dark: #B8922E;
  --color-text: #1A1A2E;
  --color-text-secondary: #5A5A72;
  --color-text-light: #8A8A9A;
  --color-bg: #FAFAF8;
  --color-bg-card: #FFFFFF;
  --color-border: #E0E0D8;
  --color-good: #2E7D32;
  --color-good-bg: #E8F5E9;
  --color-bad: #C62828;
  --color-bad-bg: #FFEBEE;
  --color-warn: #E65100;
  --color-warn-bg: #FFF3E0;
  --color-info: #1565C0;
  --color-info-bg: #E3F2FD;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --container: 1120px;
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

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

/* Header */
.site-header {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.95);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 18px;
}

.main-nav {
  display: flex;
  gap: 24px;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 64px 0 56px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 18px;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
}

.stat-label {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 4px;
}

/* Guide Section */
.guide-section {
  padding: 64px 0;
}

.guide-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: start;
}

.guide-inputs {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 80px;
}

.guide-inputs h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.input-hint {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.input-prefix, .input-suffix {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}

.input-prefix:focus-within, .input-suffix:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,95,62,0.15);
}

.input-prefix .prefix, .input-suffix .suffix {
  padding: 10px 12px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 14px;
  border: none;
}

.input-prefix input, .input-suffix input {
  border: none;
  outline: none;
  padding: 10px 12px;
  font-size: 16px;
  font-family: var(--font-sans);
  width: 100%;
  background: transparent;
}

.input-group input[type="number"]:not(.input-prefix input):not(.input-suffix input),
.input-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  background: var(--color-bg-card);
}

.input-group input:focus, .input-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,95,62,0.15);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.checkbox-group label {
  margin-bottom: 0;
  font-weight: 500;
}

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.preset-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  width: 100%;
  margin-bottom: 4px;
}

.preset-btn {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
}

.preset-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Results */
.guide-results h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.result-hint {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.scenario-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.scenario-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.scenario-card:hover {
  box-shadow: var(--shadow-md);
}

.scenario-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scenario-lock .scenario-header {
  background: var(--color-primary-light);
}

.scenario-wait .scenario-header {
  background: var(--color-warn-bg);
}

.scenario-float .scenario-header {
  background: var(--color-info-bg);
}

.scenario-header h3 {
  font-size: 16px;
}

.scenario-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 12px;
}

.scenario-lock .scenario-tag {
  background: var(--color-primary);
  color: white;
}

.tag-risky {
  background: var(--color-warn);
  color: white;
}

.tag-best {
  background: var(--color-info);
  color: white;
}

.scenario-body {
  padding: 20px;
}

.scenario-rate {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.rate-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.rate-value {
  font-size: 20px;
  font-weight: 700;
}

.rate-good {
  color: var(--color-good);
}

.rate-bad {
  color: var(--color-bad);
}

.scenario-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.scenario-detail:last-of-type {
  border-bottom: none;
}

.scenario-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 12px;
  line-height: 1.5;
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.saved-notice {
  margin-top: 12px;
  padding: 10px 16px;
  background: var(--color-good-bg);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-good);
}

/* Comparison Section */
.comparison-section {
  padding: 64px 0;
  background: var(--color-bg-card);
}

.comparison-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.comparison-section > .container > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table th {
  background: var(--color-primary);
  color: white;
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:nth-child(even) td {
  background: var(--color-bg);
}

.comparison-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* Scenarios Section */
.scenarios-section {
  padding: 64px 0;
}

.scenarios-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.scenarios-section > .container > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.scenario-walkthrough {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.walkthrough-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.walkthrough-icon {
  margin-bottom: 16px;
}

.walkthrough-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.walkthrough-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.walkthrough-card p:last-child {
  margin-bottom: 0;
}

/* Checklist Section */
.checklist-section {
  padding: 64px 0;
  background: var(--color-bg-card);
}

.checklist-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.checklist-section > .container > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.checklist-wrapper {
  max-width: 680px;
}

.checklist {
  list-style: none;
  margin-bottom: 24px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.checklist li:last-child {
  border-bottom: none;
}

.checklist input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.checklist label {
  font-size: 15px;
  line-height: 1.5;
  cursor: pointer;
}

.checklist input:checked + label {
  text-decoration: line-through;
  color: var(--color-text-light);
}

/* Mistakes Section */
.mistakes-section {
  padding: 64px 0;
}

.mistakes-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.mistakes-section > .container > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.mistakes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.mistake-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-warn);
  border-radius: var(--radius-md);
  padding: 24px;
}

.mistake-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.mistake-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Assumptions Section */
.assumptions-section {
  padding: 48px 0 64px;
}

.assumptions-section h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.assumptions-box {
  background: var(--color-info-bg);
  border: 1px solid #BBDEFB;
  border-radius: var(--radius-md);
  padding: 24px;
}

.assumptions-box p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}

.assumptions-box p:last-child {
  margin-bottom: 0;
}

.last-updated {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #BBDEFB;
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 32px;
}

.footer-top {
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: white;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  opacity: 0.7;
  max-width: 400px;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-copy {
  font-size: 13px;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 960px) {
  .guide-layout {
    grid-template-columns: 1fr;
  }
  .guide-inputs {
    position: static;
  }
  .scenario-cards {
    grid-template-columns: 1fr;
  }
  .scenario-walkthrough {
    grid-template-columns: 1fr;
  }
  .mistakes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 48px 0 40px;
  }
  .hero-stats {
    gap: 24px;
  }
  .stat-num {
    font-size: 24px;
  }
  .main-nav {
    display: none;
  }
  .guide-section,
  .comparison-section,
  .scenarios-section,
  .checklist-section,
  .mistakes-section {
    padding: 48px 0;
  }
  .result-actions {
    flex-direction: column;
  }
  .result-actions .btn {
    width: 100%;
    text-align: center;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .guide-inputs,
  .result-actions,
  .preset-buttons {
    display: none !important;
  }
  .hero {
    background: none !important;
    color: black !important;
    padding: 20px 0 !important;
  }
  .hero h1 {
    color: black !important;
  }
  .scenario-card,
  .walkthrough-card,
  .mistake-card {
    break-inside: avoid;
  }
  body {
    font-size: 12px;
  }
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Smooth transitions for interactive elements */
.scenario-card,
.walkthrough-card,
.mistake-card {
  transition: transform var(--transition), box-shadow var(--transition);
}

.scenario-card:hover {
  transform: translateY(-2px);
}

/* Hide number input spinners for cleaner look */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}