/* PnotL Marketing — Design Tokens */
:root {
  --color-primary: #4338ca;
  --color-primary-light: #6366f1;
  --color-primary-dark: #3730a3;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-accent: #059669;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --max-width: 72rem;
  --radius: 0.5rem;
}

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

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

body {
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: 2.25rem; margin-bottom: var(--space-lg); }
h2 { font-size: 1.75rem; margin-bottom: var(--space-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--space-sm); }

p { margin-bottom: var(--space-md); }

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* Layout */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  width: 100%;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
}
.site-nav-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* CTAs */
.cta {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.cta--primary {
  background: var(--color-primary);
  color: #fff;
}
.cta--primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.cta--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.cta--secondary:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

.cta--small {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
}

/* Breadcrumb */
.breadcrumb {
  margin-bottom: var(--space-xl);
}
.breadcrumb ol {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.breadcrumb li::after {
  content: '>';
  margin-left: var(--space-sm);
}
.breadcrumb li:last-child::after {
  content: '';
}
.breadcrumb a {
  color: var(--color-text-muted);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.hero-badges {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge--category {
  background: #eef2ff;
  color: var(--color-primary);
}
.badge--complexity {
  background: #f0fdf4;
  /* emerald-800 — --color-accent (#059669) on the light bg fails WCAG AA
     (~3.0:1); this deeper green clears 4.5:1 at body font sizes. */
  color: #065f46;
}
.badge--duration {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  /* "~6 min" must stay lowercase — the generic .badge capitalize would
     render it as "~6 Min", which reads oddly. */
  text-transform: none;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 40rem;
  margin-bottom: var(--space-xl);
}

/* Sample Output */
.sample-output {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.sample-preview {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* How It Works */
.how-it-works {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.steps {
  list-style: none;
  display: grid;
  gap: var(--space-xl);
}

.step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* FAQ */
.faq-section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
}
.faq-question:hover {
  color: var(--color-primary);
}

.faq-question-text {
  flex: 1;
  padding-right: var(--space-md);
}

.faq-chevron {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer--visible {
  max-height: 20rem;
  padding-bottom: var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Related */
.related {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--space-md);
}

.related-card {
  display: block;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(67, 56, 202, 0.1);
  text-decoration: none;
}

.related-title {
  font-weight: 600;
  color: var(--color-text);
}

/* Pricing Summary */
.pricing-summary {
  padding: var(--space-2xl) 0;
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.pricing-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
}

.pricing-card--highlighted {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(67, 56, 202, 0.15);
}

.pricing-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.pricing-runs {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.footer-legal-entity {
  font-weight: 600;
  margin-top: var(--space-lg);
}

.footer-address {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-col h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: var(--color-text);
  font-size: 0.9375rem;
}
.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Specialist Card (directory/category grid) */
.specialist-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.specialist-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(67, 56, 202, 0.1);
  transform: translateY(-2px);
  text-decoration: none;
}

.specialist-card-header {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.specialist-card-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.specialist-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.specialist-card-meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Specialist Grid (directory + category pages) */
.specialist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: var(--space-lg);
}

/* Category Filter (directory page) */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.category-filter-btn {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.category-filter-btn:hover,
.category-filter-btn--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Content Page (legal, ICP, use-case) */
.content-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.content-page .prose {
  max-width: 42rem;
}

.prose h1 {
  margin-bottom: var(--space-xl);
}

.prose h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.prose h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.prose p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.prose ul, .prose ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.prose li {
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.prose a {
  color: var(--color-primary);
  text-decoration: underline;
}
/* CTAs inside prose must keep their pill styling, not inherit link colour. */
.prose a.cta,
.prose a.cta--primary,
.prose a.cta--secondary {
  text-decoration: none;
}
.prose a.cta--primary {
  color: #fff;
}
.prose a.cta--secondary {
  color: var(--color-primary);
}

.prose strong {
  font-weight: 600;
}

.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-alt);
  padding: 0.125em 0.375em;
  border-radius: 0.25rem;
}

.prose pre {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.prose pre code {
  background: none;
  padding: 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
}

.prose th, .prose td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

/* Homepage */
.homepage-hero {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.homepage-hero h1 {
  font-size: 2.75rem;
  max-width: 38rem;
  margin: 0 auto var(--space-lg);
}

.homepage-hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 32rem;
  margin: 0 auto var(--space-xl);
}

.homepage-ctas {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.homepage-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Section headings (reusable) */
.section {
  padding: var(--space-2xl) 0;
}

.section--bordered {
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header p {
  color: var(--color-text-muted);
  max-width: 32rem;
  margin: 0 auto;
}

/* Legal Draft Notice */
.legal-draft-notice {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  font-size: 0.875rem;
}

/* Use Cases List */
.use-case-list, .input-fields-list {
  padding-left: var(--space-xl);
  margin-top: var(--space-md);
}

.use-case-list li, .input-fields-list li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

/* Related Card Enhanced */
.related-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

/* Pricing Comparison Table */
.pricing-comparison {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
}

.pricing-comparison th,
.pricing-comparison td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

.pricing-comparison th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.pricing-comparison th:first-child,
.pricing-comparison td:first-child {
  text-align: left;
  font-weight: 500;
}

/* Directory Page */
.directory-page {
  max-width: var(--max-width);
  margin: 0 auto;
}

.directory-page h1 {
  margin-bottom: var(--space-md);
}

/* Pricing Page */
.pricing-page {
  max-width: var(--max-width);
  margin: 0 auto;
}

.pricing-hero {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.pricing-hero h1 {
  margin-bottom: var(--space-md);
}

.pricing-hero .hero-description {
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.375rem; }

  .footer-content {
    grid-template-columns: 1fr;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .specialist-grid {
    grid-template-columns: 1fr;
  }
  .homepage-hero h1 {
    font-size: 2rem;
  }
  .homepage-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .homepage-ctas {
    flex-direction: column;
    align-items: center;
  }
  .category-filter {
    justify-content: center;
  }
}

/* ----- Specialist finder (client-side /experts filter) ----- */
.finder-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  padding: 1rem 0 0.5rem;
  margin: 0 0 0.25rem;
}
.finder-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 11rem;
  flex: 1 1 11rem;
}
.finder-field--search {
  flex: 2 1 16rem;
  min-width: 16rem;
}
.finder-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted, #555);
}
.finder-field input[type="search"],
.finder-field select {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--color-border, #d7d7dc);
  border-radius: 0.4rem;
  background: #fff;
}
.finder-field input[type="search"]:focus,
.finder-field select:focus {
  outline: 2px solid var(--color-accent, #3146ff);
  outline-offset: 2px;
}
.finder-reset {
  align-self: flex-end;
}
.finder-result-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted, #666);
  margin: 0.5rem 0 1rem;
}
.finder-empty {
  padding: 2rem 1rem;
  text-align: center;
  border: 1px dashed var(--color-border, #d7d7dc);
  border-radius: 0.5rem;
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .finder-field,
  .finder-field--search {
    flex-basis: 100%;
    min-width: 0;
  }
}

/* Visually hidden but available to assistive tech — WCAG pattern. Used to
   anchor heading hierarchy (h2) on sections where a visible heading would
   be redundant with the h1 above. */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}