/* Modern color scheme and variables */
:root {
  --brand: #2563eb;
  --brand-light: #60a5fa;
  --ink: #0f172a;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #fff;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 0.2s ease-in-out;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

/* Layout containers */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header styles */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.brand:hover {
  color: var(--brand);
}

.nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Hero section */
.hero {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  margin: 3rem 0;
}

.hero .card {
  padding: 2rem;
}

.hero h1 {
  font-size: 2.75rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--ink);
  font-weight: 800;
  background: linear-gradient(to right, var(--ink), var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tag-new {
  display: inline-block;
  background: #10b981;
  color: white;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

/* Card layouts */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.25rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
  flex-grow: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
  gap: 0.5rem;
}

.btn:hover {
  background: var(--brand-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--brand);
  border: 2px solid var(--brand);
}

.btn-outline:hover {
  background: var(--brand);
  color: #fff;
}

/* Ad spaces */
.ad-space {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
}

.ad-space.sidebar {
  position: sticky;
  top: 100px;
}

.ad-space.horizontal {
  margin: 2rem 0;
  padding: 2rem;
}

/* Info box */
.info-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 3rem 0;
}

.info-box h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--ink);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.info-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.info-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.info-item h3 {
  color: var(--brand);
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.info-item p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* Enhanced CTA box */
.cta-box {
  background: linear-gradient(to right, var(--brand), var(--brand-light));
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  color: #fff;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.cta-box.premium-cta {
  background: linear-gradient(135deg, #1a365d, #2563eb);
  padding: 4rem 2rem;
}

.save-badge {
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: #10b981;
  color: white;
  padding: 0.5rem 3rem;
  transform: rotate(45deg);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cta-box h2,
.cta-box h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-icon {
  font-size: 1.25rem;
}

.trust-caption {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-top: 1rem;
}

.cta-box .btn {
  background: #fff;
  color: var(--brand);
  font-size: 1.125rem;
  padding: 1rem 2rem;
}

.cta-box .btn:hover {
  background: var(--bg);
  transform: translateY(-2px);
}

/* Bottom content */
.bottom-content {
  display: grid;
  gap: 2rem;
  margin: 3rem 0;
}

.reviews-section {
  background: var(--bg);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.reviews-section h3 {
  text-align: center;
  color: var(--ink);
  margin-bottom: 2rem;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--card);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stars {
  color: #fbbf24;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.review-card p {
  color: var(--ink);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.review-card cite {
  color: var(--muted);
  font-style: normal;
  font-size: 0.875rem;
}

/* Info Callout */
.info-callout {
  background: var(--bg);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: 2rem;
}

.info-callout h3 {
  color: var(--ink);
  margin-bottom: 1rem;
  text-align: center;
}

.resource-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.resource-list li {
  padding: 1rem;
  background: var(--card);
  border-radius: var(--radius-sm);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.resource-list li::before {
  content: "→";
  color: var(--brand);
  font-weight: bold;
}

/* Footer */
.site-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 4rem;
}

.site-footer .nav {
  justify-content: center;
  margin-bottom: 1rem;
}

.site-footer small {
  display: block;
  text-align: center;
  color: var(--muted);
}

/* Compare pages styles */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.region-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.region-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.region-card h3 {
  color: var(--ink);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.region-card h3 .icon {
  color: var(--brand);
}

.location-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.location-list li {
  position: relative;
}

.location-list a {
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.location-list a:hover {
  color: var(--ink);
  background: var(--bg);
}

.location-list a::before {
  content: '→';
  color: var(--brand);
  font-size: 0.875rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minpack(150px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--bg);
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
}

.stat-card .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.2;
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.info-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
}

.info-box h3 {
  color: var(--ink);
  margin-bottom: 1rem;
}

.info-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-box li {
  color: var(--muted);
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.info-box li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--brand);
}

/* Homepage specific styles */
.hero-features {
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 500;
  background: rgba(37, 99, 235, 0.05);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.feature:hover {
  background: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

.feature span {
  font-size: 1.25rem;
}

.hero-cta {
  margin-top: 2rem;
}

.btn-large {
  padding: 1rem 1.5rem;
  font-size: 1.125rem;
}

.trust-text {
  color: var(--muted);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-indicators {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.trust-text span {
  color: var(--brand);
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
  padding: 2rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.trust-item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.trust-item .trust-text {
  margin: 0;
  text-align: left;
}

.trust-item strong {
  display: block;
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.2;
}

.section-title {
  font-size: 1.75rem;
  color: var(--ink);
  margin: 2rem 0 1rem;
  text-align: center;
}

.featured-tools {
  gap: 1.5rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
}

.tool-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.tool-features {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
}

.tool-features li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.tool-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brand);
}

.tool-card.premium {
  background: linear-gradient(135deg, var(--card), #f0f9ff);
  border-color: var(--brand-light);
}

.premium-ad {
  background: linear-gradient(135deg, var(--card), #f0f9ff);
  border: 2px solid var(--brand-light);
}

.featured-cities .badge {
  background: #ecfdf5;
  color: #059669;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.5rem;
}

/* Utility classes */
.small {
  color: var(--muted);
  font-size: 0.875rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.disclaimer {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  background: var(--bg);
  color: var(--muted);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

/* Calculator styles */
.calc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.calc-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.calc-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.label {
  display: block;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.input {
  display: block;
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  transition: var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select.input {
  appearance: none;
  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='M8 10l-4-4h8l-4 4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  margin: 1rem 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand);
  cursor: pointer;
  transition: var(--transition);
}

.range-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand);
  cursor: pointer;
  transition: var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.range-slider::-moz-range-thumb:hover {
  transform: scale(1.1);
}

.range-value {
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.result {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.result-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 2rem;
  margin-bottom: 1.5rem;
}

.result-label {
  color: var(--muted);
  font-weight: 500;
}

.result-value {
  color: var(--ink);
  font-weight: 600;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

.calc-sidebar {
  position: sticky;
  top: 100px;
}

.help-text {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* Responsive design */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 250px;
  }
  
  .calc-grid {
    grid-template-columns: 1fr;
  }
  
  .calc-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  
  .site-header .wrap {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
  
  .calc-form {
    padding: 1.5rem;
  }
  
  .result {
    padding: 1.5rem;
  }
}