/* Global Route: Main Stylesheet */
/* Mobile-first approach */

:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-primary-light: #dbeafe;
  
  --color-secondary: #16a34a;
  --color-secondary-dark: #15803d;
  
  --color-accent: #ea580c;
  --color-accent-light: #fed7aa;
  
  --color-success: #22c55e;
  --color-warning: #f97316;
  --color-error: #ef4444;
  
  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2937;
  --color-neutral-900: #111827;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-offcanvas-backdrop: 1040;
  --z-offcanvas: 1050;
  --z-modal-backdrop: 1060;
  --z-modal: 1070;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-700);
  background-color: var(--color-neutral-50);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-neutral-900);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-xl);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header / Navigation */
.header {
  background-color: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-neutral-900);
}

.logo-icon {
  font-size: 1.5rem;
}

.navigation {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: var(--spacing-md);
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.nav-menu.active {
  display: flex;
}

.nav-menu a {
  color: var(--color-neutral-700);
  font-weight: 500;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 1.5rem;
  height: 2px;
  background-color: var(--color-neutral-900);
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

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

.btn-secondary {
  background-color: var(--color-neutral-200);
  color: var(--color-neutral-900);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-300);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  text-align: center;
}

.hero-content h1 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-2xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.stat {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  margin-top: var(--spacing-xs);
}

/* Sections */
.problem,
.approach,
.featured,
.tools,
.newsletter,
.testimonials,
.cta-final {
  padding: var(--spacing-3xl) var(--spacing-md);
}

.problem {
  background-color: white;
}

.approach {
  background-color: var(--color-neutral-50);
}

.featured {
  background-color: white;
}

.tools {
  background-color: var(--color-neutral-50);
}

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

.newsletter h2,
.newsletter p {
  color: white;
}

.testimonials {
  background-color: white;
}

.cta-final {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  text-align: center;
}

.cta-final h2,
.cta-final p {
  color: white;
}

/* Grids */
.problem-grid,
.approach-grid,
.featured-grid,
.tools-grid,
.testimonials-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.problem-grid {
  grid-template-columns: 1fr;
}

.approach-grid {
  grid-template-columns: 1fr;
}

.featured-grid {
  grid-template-columns: 1fr;
}

.tools-grid {
  grid-template-columns: 1fr;
}

.testimonials-grid {
  grid-template-columns: 1fr;
}

/* Cards */
.problem-card,
.approach-card,
.featured-card,
.tool-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  background-color: var(--color-neutral-50);
  transition: all var(--transition-base);
}

.problem-card,
.featured-card,
.tool-card {
  background-color: white;
  box-shadow: var(--shadow-md);
}

.problem-card:hover,
.approach-card:hover,
.featured-card:hover,
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.approach-card {
  text-align: center;
}

.approach-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

/* Newsletter Form */
.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.newsletter-form input {
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
}

.newsletter-form button {
  background-color: var(--color-accent);
  color: white;
}

.newsletter-privacy {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* Testimonials */
.testimonial {
  padding: var(--spacing-lg);
  background-color: var(--color-neutral-50);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.testimonial p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.testimonial footer {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  font-weight: 600;
}

/* Footer */
.footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-200);
  padding: var(--spacing-3xl) var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--color-neutral-200);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-neutral-700);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  list-style: none;
  margin-top: var(--spacing-md);
}

/* Ad Units */
.ad-unit {
  margin: var(--spacing-lg) 0;
  min-height: 250px;
  text-align: center;
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-neutral-400);
  font-size: var(--font-size-sm);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm);
  text-decoration: none;
  z-index: var(--z-fixed);
}

.skip-link:focus {
  top: 0;
}

/* Focus states */
button:focus,
a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .ad-unit,
  .newsletter {
    display: none;
  }
}


/* Author component display rules must never override semantic hidden state. */
.ad-unit[hidden], [data-ad-slot][hidden], [data-partner-slot][hidden] {
  display: none !important;
}


/* Consent controls: persistent access to change or withdraw the stored choice. */
#analytics-consent[hidden],
#analytics-consent-settings[hidden] {
  display: none !important;
}

#analytics-consent {
  position: fixed;
  z-index: 10000;
  inset-inline: 1rem;
  bottom: 1rem;
  max-width: 42rem;
  margin-inline: auto;
  padding: 1rem;
  color: var(--color-neutral-900);
  background: #fff;
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 28px rgb(0 0 0 / 18%);
}

#analytics-consent p {
  margin: 0 0 0.75rem;
  line-height: var(--line-height-normal);
}

#analytics-consent div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

#analytics-consent button,
#analytics-consent-settings {
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-neutral-400);
  border-radius: var(--radius-md);
  color: var(--color-neutral-900);
  background: #fff;
  font: inherit;
  cursor: pointer;
}

#analytics-consent button:focus-visible,
#analytics-consent-settings:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

#analytics-consent-settings {
  position: fixed;
  z-index: 9999;
  right: 1rem;
  bottom: 1rem;
  box-shadow: 0 2px 10px rgb(0 0 0 / 12%);
}

@media (max-width: 480px) {
  #analytics-consent {
    inset-inline: 0.5rem;
    bottom: 0.5rem;
    padding: 0.75rem;
  }

  #analytics-consent div {
    flex-direction: column;
  }

  #analytics-consent button {
    width: 100%;
  }

  #analytics-consent-settings {
    right: 0.5rem;
    bottom: 0.5rem;
  }
}


#analytics-consent .consent-options {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

#analytics-consent .consent-options label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: var(--line-height-normal);
  cursor: pointer;
}

#analytics-consent .consent-options input {
  flex: 0 0 auto;
  margin-top: 0.25rem;
}

#analytics-consent .consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}


/* ============================================================
   UI-2: Page-specific layout classes
   ============================================================ */

/* Shared page content wrapper */
.page-content {
  padding: var(--spacing-2xl) var(--spacing-md);
}

/* ---- Playbook sections ---- */
.playbook-section {
  padding: var(--spacing-2xl) var(--spacing-md);
  background-color: white;
}

.playbook-section + .playbook-section {
  border-top: 1px solid var(--color-neutral-200);
}

.playbook-card {
  background-color: var(--color-neutral-50);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.playbook-card h3 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

.playbook-card ul {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
}

.playbook-card li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

.playbook-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.budget-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.budget-sections section {
  background-color: var(--color-neutral-50);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.budget-sections h3 {
  color: var(--color-primary-dark);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

/* ---- FAQ section ---- */
.faq-section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

details {
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  background-color: white;
}

details[open] {
  border-color: var(--color-primary);
}

summary {
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-neutral-800);
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  flex-shrink: 0;
  margin-left: var(--spacing-md);
}

details[open] summary::after {
  content: '−';
}

details > p,
details > ul,
details > ol {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  margin: 0;
}

details > p:first-of-type {
  padding-top: var(--spacing-sm);
}

/* ---- About section ---- */
.about-section {
  padding: var(--spacing-2xl) var(--spacing-md);
  background-color: white;
}

.about-section h2 {
  color: var(--color-primary-dark);
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-neutral-200);
}

.about-section h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.about-section ul {
  margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

.about-section li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

/* ---- Contact section ---- */
.contact-section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

.contact-section h2 {
  color: var(--color-primary-dark);
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.contact-section h2:first-of-type {
  margin-top: 0;
}

.contact-section ul {
  margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

/* ---- Route results ---- */
.route-results {
  padding: var(--spacing-xl) 0;
}

.route-results article {
  background-color: white;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.route-results article:hover {
  box-shadow: var(--shadow-md);
}

.route-results article h3 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

.route-results article ul {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
}

.route-results article a {
  font-weight: 600;
}

/* ---- CTA buttons group ---- */
.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

/* ---- Tables ---- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
}

th {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
}

td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-neutral-200);
  vertical-align: top;
}

tr:nth-child(even) td {
  background-color: var(--color-neutral-50);
}

tr:hover td {
  background-color: var(--color-primary-light);
}

/* ---- Inline content lists (used in playbooks, audits) ---- */
.container ul,
.container ol {
  margin: 0 0 var(--spacing-md) var(--spacing-lg);
}

.container li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

.container h2 {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-neutral-200);
}

.container h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.container h3 {
  margin-top: var(--spacing-xl);
  color: var(--color-primary-dark);
}

/* ---- Nav active state by data-page-type ---- */
[data-page-type="find-my-route"] .nav-menu a[href*="find-my-route"],
[data-page-type="countries"] .nav-menu a[href*="countries"],
[data-page-type="calculator"] .nav-menu a[href*="calculator"],
[data-page-type="about"] .nav-menu a[href*="about"],
[data-page-type="student-playbook"] .nav-menu a[href*="student"],
[data-page-type="professional-playbook"] .nav-menu a[href*="professional"],
[data-page-type="business-playbook"] .nav-menu a[href*="business"],
[data-page-type="faq"] .nav-menu a[href*="faq"],
[data-page-type="contact"] .nav-menu a[href*="contact"],
.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---- Heading hierarchy: h4, h5 ---- */
h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-neutral-800);
}

h5 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-neutral-700);
}

/* ---- Evidence / disclaimer note ---- */
.evidence-note {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
}

/* ---- Countries page ---- */
.countries {
  padding: var(--spacing-2xl) 0;
}

.filter-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-group label {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
}

.filter-group select,
.search-box input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background-color: white;
  width: 100%;
}

.countries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.comparison-table {
  overflow-x: auto;
  margin-bottom: var(--spacing-2xl);
}

/* P1-ROUTE: route result enhancements */
.route-requirements { margin: 0.5rem 0 0.75rem; padding-left: 1.25rem; font-size: 0.875rem; }
.route-requirements li { margin-bottom: 0.25rem; text-transform: capitalize; }
.stale-warning { color: var(--color-warning, #b45309); border-left: 3px solid var(--color-warning, #b45309); padding-left: 0.5rem; margin-bottom: 0.5rem; }