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

:root {
  --header-footer-bg: #ffffff;
  --header-footer-border: #e2e8f0;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-primary: #0f172a;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-text: #334155;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  padding: 0;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 1.5rem 1.5rem;
  flex: 1;
}

/* Site header & nav — compact single-row (desktop), stack + wrap (mobile) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: var(--header-footer-bg);
  border-bottom: 1px solid var(--header-footer-border);
  box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.04);
}

.site-header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: white;
  background: linear-gradient(135deg, var(--color-accent) 0%, #1e40af 100%);
  border-radius: 0.4rem;
}

.logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.025em;
}

.site-logo:hover .logo-text {
  color: var(--color-accent);
}

.site-logo:hover .logo-icon {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
}

/* Nav: LoanWise logo first, then all links (wrap so nothing is hidden off-screen) */
.site-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 0.5rem 0.75rem;
  width: 100%;
  min-width: 0;
}

.site-nav > .site-logo {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* Links: full width next to logo, wrap to new lines — tout le menu reste visible */
.site-nav-scroll {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  align-content: flex-start;
  justify-content: flex-start;
  gap: 0.2rem 0.45rem;
  flex: 1 1 0;
  min-width: 0;
  overflow: visible;
}

.site-nav-scroll a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.28rem 0.42rem;
  border-radius: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.18s ease, background 0.18s ease;
}

.site-nav-scroll a:hover {
  color: var(--color-accent);
  background: rgba(59, 130, 246, 0.08);
}

.site-nav-scroll a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Small screens: logo puis liens sur toute la largeur */
@media (max-width: 640px) {
  .site-header-inner {
    flex-wrap: wrap;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .site-logo {
    align-self: flex-start;
    margin-top: 0;
  }

  .site-nav-scroll {
    flex: none;
    width: 100%;
    min-width: unset;
    gap: 0.25rem 0.5rem;
  }

  .site-nav-scroll a {
    white-space: nowrap;
  }
}

/* Site footer — multi-column link map */
.site-footer {
  background: var(--header-footer-bg);
  border-top: 1px solid var(--header-footer-border);
  margin-top: auto;
}

.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 1.25rem;
}

.footer-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
}

.footer-col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.45rem;
}

.footer-links li:last-child {
  margin-bottom: 0;
}

.footer-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.copyright {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

@media (max-width: 900px) {
  .footer-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1.5rem;
  }
}

@media (max-width: 520px) {
  .footer-map {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding-bottom: 1.25rem;
    margin-bottom: 1rem;
  }

  .site-footer-inner {
    padding: 1.25rem 1rem 1rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Page title (inner pages) */
.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.page-content .content-section {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* Contact form */
.contact-form {
  margin: 1.5rem 0;
}

.contact-form .input-group {
  margin-bottom: 1.25rem;
}

.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-card);
  color: var(--color-primary);
  resize: vertical;
  min-height: 120px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.2);
}

.contact-form textarea::placeholder {
  color: var(--color-text-muted);
}

.submit-btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--color-accent);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.submit-btn:hover {
  background: var(--color-accent-hover);
}

.submit-btn:active {
  transform: scale(0.99);
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* Page header (homepage hero) */
.page-header,
header.page-header {
  text-align: center;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-bottom: 0.125rem;
}

.subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.1875rem;
}

.help-text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  max-width: 280px;
  margin: 0 auto;
}

.calculator {
  background: var(--color-card);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.input-group {
  margin-bottom: 1.25rem;
}

.input-group:last-of-type {
  margin-bottom: 1.5rem;
}

.input-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-card);
  color: var(--color-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.2);
}

.input-group input::placeholder {
  color: var(--color-text-muted);
}

#calculateBtn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--color-accent);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

#calculateBtn:hover {
  background: var(--color-accent-hover);
}

#calculateBtn:active {
  transform: scale(0.99);
}

.results {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.result-card {
  background: var(--color-bg);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  border: 1px solid var(--color-border);
}

.result-card .result-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.result-card .result-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.result-card .result-value.has-value {
  color: var(--color-accent);
}

.result-card:first-child .result-value {
  font-size: 1.125rem;
}

/* Car loan calculator page — fintech-style enhancements */
.page-tool-calculator .page-header {
  margin-bottom: 1rem;
}

.page-tool-calculator .calculator {
  padding: 1.75rem 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(59, 130, 246, 0.14);
  background: linear-gradient(165deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
  box-shadow:
    0 4px 6px -1px rgb(15 23 42 / 0.06),
    0 10px 24px -6px rgb(59 130 246 / 0.08),
    0 0 0 1px rgb(15 23 42 / 0.03);
}

.page-tool-calculator .input-group input,
.page-tool-calculator .input-group select {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-tool-calculator .input-group input:hover,
.page-tool-calculator .input-group select:hover {
  border-color: #cbd5e1;
}

.page-tool-calculator #calculateBtn {
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.06);
}

.page-tool-calculator #calculateBtn:hover {
  box-shadow: 0 4px 14px rgb(59 130 246 / 0.35);
}

.page-tool-calculator #calculateBtn:active {
  transform: scale(0.992);
}

.page-tool-calculator .results {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  gap: 0.875rem;
  border-top: 1px solid rgba(226, 232, 240, 0.95);
}

.page-tool-calculator .result-card {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.125rem 1rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgb(15 23 42 / 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-tool-calculator .result-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 12px 24px -8px rgb(15 23 42 / 0.12),
    0 4px 8px -4px rgb(15 23 42 / 0.06);
  border-color: #cbd5e1;
}

.page-tool-calculator .result-card:first-child {
  border-color: rgba(59, 130, 246, 0.28);
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 65%);
}

.page-tool-calculator .result-card:first-child:hover {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow:
    0 12px 28px -8px rgb(37 99 235 / 0.18),
    0 4px 8px -4px rgb(15 23 42 / 0.06);
}

.page-tool-calculator .result-card:first-child .result-label {
  color: #2563eb;
  font-weight: 600;
}

.page-tool-calculator .result-card:first-child .result-value {
  font-size: 1.375rem;
  letter-spacing: -0.02em;
}

.page-tool-calculator .result-card .result-value.has-value {
  color: #1d4ed8;
}

.page-tool-calculator .result-card:not(:first-child) .result-value.has-value {
  color: var(--color-accent);
}

.disclaimer {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 1rem;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Homepage: trust, how-to, disclaimer (AdSense-friendly clarity) */
.home-section-lede {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0 0 1.25rem;
  max-width: 38rem;
}

.trust-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

@media (min-width: 480px) {
  .trust-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.trust-point {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.125rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 0.625rem;
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.04);
}

.trust-point-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--color-accent) 0%, #1e40af 100%);
  border-radius: 0.35rem;
  line-height: 1;
}

.trust-point-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

.trust-point-text {
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}

.how-to-steps {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  max-width: 38rem;
}

.how-to-steps li {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.55;
  margin-bottom: 0.75rem;
  padding-left: 0.35rem;
}

.how-to-steps li:last-child {
  margin-bottom: 0;
}

.how-to-steps strong {
  color: var(--color-primary);
  font-weight: 600;
}

.how-to-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 38rem;
  line-height: 1.5;
}

.disclaimer-important {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 0.625rem;
  padding: 1.25rem 1.375rem;
}

.disclaimer-important h2 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.disclaimer-important-text {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.55;
  margin: 0;
  max-width: 40rem;
}

/* Homepage: Popular Calculators — internal linking grid */
.popular-calculators {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.popular-calculators-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 0.5rem;
}

.popular-calculators-lede {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 1.25rem;
  line-height: 1.5;
}

.popular-calculators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: 0.875rem;
}

.calc-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  text-decoration: none;
  color: inherit;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1rem 1.125rem 1rem;
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.04);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.calc-card:hover {
  border-color: rgb(59 130 246 / 0.35);
  box-shadow:
    0 4px 12px rgb(59 130 246 / 0.08),
    0 2px 4px rgb(15 23 42 / 0.04);
  transform: translateY(-2px);
}

.calc-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.calc-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.375rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.calc-card-desc {
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.45;
  margin: 0 0 0.75rem;
  flex: 1;
}

.calc-card-cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
}

.calc-card:hover .calc-card-cta {
  color: var(--color-accent-hover);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  margin-top: 1.25rem;
}

.cta-row .cta-car-loan {
  margin-top: 0;
}

.cta-car-loan {
  text-align: center;
  margin-top: 1.25rem;
}

.cta-link {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  background: var(--color-accent);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: background 0.2s ease;
}

.cta-link:hover {
  background: var(--color-accent-hover);
}

.help-text a,
.disclaimer a,
.content-section a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.help-text a:hover,
.disclaimer a:hover,
.content-section a:hover {
  color: var(--color-accent-hover);
}

/* Content section */
.content-section {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border);
}

.content-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.content-section p + h2 {
  margin-top: 2rem;
}

.content-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.content-section p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.content-section p:last-of-type {
  margin-bottom: 0;
}

.result-definitions,
.faq-list {
  margin: 0;
}

.result-definitions dt,
.faq-list dt {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1rem;
  margin-bottom: 0.25rem;
}

.result-definitions dt:first-child,
.faq-list dt:first-child {
  margin-top: 0;
}

.result-definitions dd,
.faq-list dd {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-left: 0;
  margin-bottom: 0.5rem;
  padding-left: 0;
}

.faq-list dt {
  margin-top: 1.25rem;
}

.faq-list dd {
  margin-bottom: 0;
}

/* Mobile adjustments */
@media (max-width: 520px) {
  .container {
    padding: 0.75rem 1rem 1rem;
  }

  .site-header-inner {
    padding: 0.625rem 1rem;
  }

  .logo-icon {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 0.875rem;
  }

  .logo-text {
    font-size: 1.125rem;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .site-nav-scroll a {
    font-size: 0.875rem;
  }

  h1 {
    font-size: 1.375rem;
  }

  .page-header,
  header.page-header {
    margin-bottom: 0.5rem;
  }

  .help-text {
    font-size: 0.75rem;
  }

  .calculator {
    padding: 1.25rem;
  }

  .page-tool-calculator .calculator {
    padding: 1.35rem 1.1rem;
  }

  .results {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .page-tool-calculator .results {
    gap: 0.75rem;
  }

  .result-card .result-value {
    font-size: 1.0625rem;
  }

  .result-card:first-child .result-value {
    font-size: 1.25rem;
  }

  .page-tool-calculator .result-card:first-child .result-value {
    font-size: 1.3125rem;
  }

  .disclaimer {
    font-size: 0.75rem;
    margin-top: 1rem;
  }

  .popular-calculators {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
  }

  .popular-calculators-title {
    font-size: 1.25rem;
  }

  .popular-calculators-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .calc-card {
    padding: 0.875rem 1rem;
  }

  .calc-card:hover {
    transform: none;
  }

  .content-section {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
  }

  .content-section h2 {
    font-size: 1.375rem;
  }

  .content-section h3 {
    font-size: 1rem;
    margin-top: 1.5rem;
  }

}