:root {
  --service-navy: #1D2C32;
  --deep-petrol: #263B3E;
  --workshop-slate: #415356;
  --road-grey: #687578;
  --soft-sage: #A5B7AC;
  --service-mint: #D6E2DC;
  --cool-mist: #E3E9E6;
  --road-fog: #E8E9E4;
  --warm-concrete: #DDD8CF;
  --soft-ivory: #F5F3ED;
  --service-white: #FBFBF8;
  --diagnostic-teal: #5F8A88;
  --signal-blue: #668B9A;
  --recovery-green: #789887;
  --safety-amber: #C4935E;
  --workshop-copper: #B9785E;
  --technical-ink: #1B272B;
  --body-text: #3F4D50;
  --muted-text: #6D797B;
  --light-text: #F1F4F1;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --shadow-subtle: 0 4px 20px rgba(29, 44, 50, 0.06);
  --shadow-card: 0 8px 30px rgba(29, 44, 50, 0.08);
  --shadow-lift: 0 12px 36px rgba(29, 44, 50, 0.12);
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --container-max: 1180px;
}

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

html {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--body-text);
  background-color: var(--service-white);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--service-white);
  color: var(--body-text);
  overflow-x: hidden;
}

/* Typography & Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--service-navy);
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p, li, blockquote, figcaption {
  overflow-wrap: anywhere;
  min-width: 0;
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--diagnostic-teal);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
  overflow-wrap: anywhere;
}

a:hover {
  color: var(--deep-petrol);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.brand-name {
  overflow-wrap: anywhere;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--diagnostic-teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section-spacer {
  padding-top: 64px;
  padding-bottom: 64px;
}

.section-spacer-sm {
  padding-top: 40px;
  padding-bottom: 40px;
}

/* Header */
.site-header {
  background-color: var(--service-white);
  border-bottom: 1px solid var(--cool-mist);
  height: 64px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--service-navy);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.logo-link:hover {
  color: var(--diagnostic-teal);
}

.logo-mark {
  width: 32px;
  height: 32px;
  background-color: var(--deep-petrol);
  color: var(--service-mint);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  color: var(--workshop-slate);
  font-weight: 500;
  font-size: 0.925rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--service-navy);
  background-color: var(--cool-mist);
}

.nav-cta {
  background-color: var(--deep-petrol);
  color: var(--light-text);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.2s ease;
}

.nav-cta:hover {
  background-color: var(--service-navy);
  color: var(--service-white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--cool-mist);
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--service-navy);
  cursor: pointer;
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--service-white);
  border-bottom: 1px solid var(--cool-mist);
  padding: 20px;
  box-shadow: var(--shadow-card);
  flex-direction: column;
  gap: 12px;
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile .nav-link {
  padding: 10px;
  font-size: 1rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(180deg, var(--soft-ivory) 0%, var(--service-white) 100%);
  padding: 64px 0;
  border-bottom: 1px solid var(--cool-mist);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--diagnostic-teal);
  background-color: var(--service-mint);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.hero-headline {
  margin-bottom: 20px;
  color: var(--service-navy);
  letter-spacing: -0.02em;
}

.hero-subtext {
  font-size: 1.125rem;
  color: var(--workshop-slate);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  background-color: var(--deep-petrol);
  color: var(--service-white);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--service-navy);
  color: var(--service-white);
  transform: translateY(-1px);
}

.btn-secondary {
  color: var(--workshop-slate);
  font-weight: 600;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background-color: var(--cool-mist);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--road-fog);
  color: var(--service-navy);
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-image-wrapper {
  background-color: var(--warm-concrete);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--cool-mist);
  box-shadow: var(--shadow-card);
}

.hero-image-wrapper img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 0;
}

.hero-caption {
  font-size: 0.8125rem;
  color: var(--muted-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Horizontal Split Cards */
.cards-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.split-card {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 32px;
  background-color: var(--service-white);
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  min-width: 0;
}

.split-card:hover {
  box-shadow: var(--shadow-lift);
  border-color: var(--soft-sage);
}

.card-media {
  min-width: 0;
  height: 100%;
  display: flex;
}

.card-media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--cool-mist);
}

.card-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.card-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--road-fog);
  color: var(--workshop-slate);
}

.badge-amber {
  background-color: #F8EFE4;
  color: var(--safety-amber);
}

.badge-teal {
  background-color: var(--service-mint);
  color: var(--diagnostic-teal);
}

.card-reading-time {
  font-size: 0.8125rem;
  color: var(--muted-text);
}

.card-title {
  margin-bottom: 12px;
  font-size: 1.4rem;
}

.card-description {
  color: var(--body-text);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 20px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag-item {
  font-size: 0.775rem;
  background-color: var(--soft-ivory);
  border: 1px solid var(--cool-mist);
  color: var(--workshop-slate);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.card-footer-cta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--diagnostic-teal);
}

.card-link:hover {
  color: var(--deep-petrol);
  text-decoration: underline;
}

/* Process Section */
.process-section {
  background-color: var(--soft-ivory);
  border-top: 1px solid var(--cool-mist);
  border-bottom: 1px solid var(--cool-mist);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px auto;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--workshop-slate);
  font-size: 1.05rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  background-color: var(--service-white);
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.step-num {
  width: 32px;
  height: 32px;
  background-color: var(--service-mint);
  color: var(--deep-petrol);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--service-navy);
}

.step-text {
  font-size: 0.875rem;
  color: var(--muted-text);
  line-height: 1.5;
}

/* Technical Details Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  background-color: var(--service-white);
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  min-width: 0;
}

.tech-card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--cool-mist);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--deep-petrol);
  margin-bottom: 16px;
}

.tech-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.tech-card p {
  font-size: 0.925rem;
  color: var(--workshop-slate);
}

/* Article / Topic Page Styling */
.article-header {
  background: linear-gradient(180deg, var(--soft-ivory) 0%, var(--service-white) 100%);
  padding: 56px 0 40px 0;
  border-bottom: 1px solid var(--cool-mist);
}

.article-header .container {
  max-width: 860px;
}

.article-header h1 {
  margin-bottom: 16px;
}

.article-intro {
  font-size: 1.15rem;
  color: var(--workshop-slate);
  line-height: 1.6;
}

.article-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 20px;
  min-width: 0;
}

.article-body h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--cool-mist);
}

.article-body h3 {
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.55;
}

.callout-box {
  background-color: var(--soft-ivory);
  border-left: 4px solid var(--diagnostic-teal);
  padding: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
}

.callout-box h4 {
  color: var(--service-navy);
  margin-bottom: 8px;
}

.callout-box p {
  color: var(--workshop-slate);
  font-size: 0.95rem;
  margin: 0;
}

/* Comparison Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-md);
  background-color: var(--service-white);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

th, td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--cool-mist);
  vertical-align: top;
}

th {
  background-color: var(--soft-ivory);
  color: var(--service-navy);
  font-weight: 700;
}

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

/* Contact Page Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-card {
  background-color: var(--service-white);
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--service-navy);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--warm-concrete);
  border-radius: var(--radius-sm);
  background-color: var(--service-white);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--body-text);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--diagnostic-teal);
  outline: none;
  box-shadow: 0 0 0 3px rgba(95, 138, 136, 0.15);
}

.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: #D32F2F;
}

.error-message {
  color: #D32F2F;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.error-message.is-visible {
  display: block;
}

.form-success {
  background-color: #E8F5E9;
  border: 1px solid #C8E6C9;
  color: #2E7D32;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: none;
}

.form-success.is-visible {
  display: block;
}

.static-map-box {
  background-color: var(--soft-ivory);
  border: 1px solid var(--cool-mist);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
  text-align: center;
}

.static-map-graphic {
  width: 100%;
  height: 180px;
  background-color: var(--cool-mist);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--workshop-slate);
  position: relative;
  overflow: hidden;
}

/* Footer */
.site-footer {
  background-color: var(--technical-ink);
  color: var(--soft-sage);
  padding: 64px 0 32px 0;
  margin-top: auto;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  color: var(--light-text);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col p {
  color: var(--soft-sage);
  line-height: 1.5;
  font-size: 0.875rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--soft-sage);
  text-decoration: none;
}

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

.footer-legal-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--road-grey);
}

.footer-legal-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: var(--road-grey);
}

.footer-legal-links a:hover {
  color: var(--service-white);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--technical-ink);
  color: var(--light-text);
  padding: 20px;
  z-index: 9999;
  border-top: 2px solid var(--diagnostic-teal);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.2);
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1 1 500px;
  font-size: 0.875rem;
  color: var(--soft-sage);
}

.cookie-text p {
  margin: 0;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-cookie {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-cookie-accept {
  background-color: var(--diagnostic-teal);
  color: var(--service-white);
}

.btn-cookie-accept:hover {
  background-color: var(--service-mint);
  color: var(--service-navy);
}

.btn-cookie-reject {
  background-color: transparent;
  border-color: var(--workshop-slate);
  color: var(--light-text);
}

.btn-cookie-reject:hover {
  background-color: var(--deep-petrol);
}

.btn-cookie-prefs {
  background-color: transparent;
  color: var(--soft-sage);
  text-decoration: underline;
  border: none;
}

.btn-cookie-prefs:hover {
  color: var(--service-white);
}

/* Media Queries & Responsiveness */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .split-card {
    grid-template-columns: 340px 1fr;
    gap: 24px;
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 52px;
  }
  .nav-desktop, .nav-cta {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .split-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }
  .card-media img {
    height: 220px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section-spacer {
    padding-top: 48px;
    padding-bottom: 48px;
  }
}

@media (max-width: 400px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .split-card {
    padding: 16px;
    gap: 20px;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}