:root {
  --midnight-blue: #102A43;
  --petrol-blue: #1F5C6B;
  --electric-cyan: #4FC3D4;
  --ice-blue: #DDF3F6;
  --warm-sand: #E8DDCE;
  --soft-cream: #F7F5F0;
  --charcoal-blue: #263746;
  --copper: #B97852;
  --white: #FFFFFF;
  
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, "Liberation Mono", Menlo, monospace;
  
  --transition-speed: 0.4s;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--soft-cream);
  color: var(--midnight-blue);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-speed);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-large { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.text-medium { font-size: clamp(1.5rem, 3vw, 2.5rem); }
.text-small { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-mono); }
.text-body { font-size: 1.125rem; }

/* Buttons & Links */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 1.5rem;
  background-color: var(--midnight-blue);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--midnight-blue);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.btn:hover, .btn:focus {
  background-color: var(--white);
  color: var(--midnight-blue);
}

.btn-light {
  background-color: var(--white);
  color: var(--midnight-blue);
  border: 1px solid var(--white);
}

.btn-light:hover, .btn-light:focus {
  background-color: transparent;
  color: var(--white);
}

.btn-copper {
  background-color: var(--copper);
  color: var(--white);
  border: 1px solid var(--copper);
}

.btn-copper:hover, .btn-copper:focus {
  background-color: transparent;
  color: var(--copper);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--copper);
  border-bottom: 1px solid transparent;
}
.link-arrow:hover {
  border-bottom: 1px solid var(--copper);
}

/* Layout Classes */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.section-padding { padding: 6rem 0; }
.section-padding-large { padding: 8rem 0; }
.border-top { border-top: 1px solid var(--petrol-blue); }
.border-bottom { border-bottom: 1px solid var(--petrol-blue); }

.bg-dark { background-color: var(--midnight-blue); color: var(--white); }
.bg-charcoal { background-color: var(--charcoal-blue); color: var(--white); }
.bg-petrol { background-color: var(--petrol-blue); color: var(--white); }
.bg-ice { background-color: var(--ice-blue); color: var(--midnight-blue); }
.bg-sand { background-color: var(--warm-sand); color: var(--midnight-blue); }

/* Navigation */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(247, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(31, 92, 107, 0.2);
  transition: transform 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--midnight-blue);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--midnight-blue);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--midnight-blue);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-bottom: 5rem;
  padding-top: 100px;
  background-color: var(--midnight-blue);
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: var(--white);
}

.hero-label {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--copper);
  color: var(--white);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* Vehicle Condition Check (Interactive) */
.diagnostic-interface {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--petrol-blue);
}

.diagnostic-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--petrol-blue);
}

.diag-tab {
  flex: 1 1 auto;
  padding: 1.5rem;
  background: transparent;
  border: none;
  border-right: 1px solid var(--petrol-blue);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--midnight-blue);
  text-align: left;
  transition: background var(--transition-speed);
}
.diag-tab:last-child { border-right: none; }
.diag-tab:hover, .diag-tab.active {
  background-color: var(--ice-blue);
}

.diagnostic-content-area {
  padding: 3rem;
  background-color: var(--white);
}

.diag-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}
.diag-content.active {
  display: block;
}

/* Horizontal Process Map / Timeline */
.horizontal-map {
  display: flex;
  width: 100%;
  min-height: 400px;
  border: 1px solid rgba(255,255,255,0.2);
}

.map-stage {
  flex: 1;
  border-right: 1px solid rgba(255,255,255,0.2);
  padding: 2rem;
  cursor: pointer;
  transition: flex var(--transition-speed) ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}
.map-stage:last-child { border-right: none; }

.map-stage:hover, .map-stage.active {
  flex: 3;
  background-color: rgba(255,255,255,0.05);
}

.stage-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--electric-cyan);
  margin-bottom: 2rem;
}

.stage-title {
  font-size: 1.5rem;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: auto;
  transition: all var(--transition-speed);
}

.map-stage:hover .stage-title, .map-stage.active .stage-title {
  writing-mode: horizontal-tb;
  transform: none;
  margin-top: 0;
  margin-bottom: 1rem;
}

.stage-content {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s;
  max-width: 400px;
}

.map-stage:hover .stage-content, .map-stage.active .stage-content {
  opacity: 1;
  visibility: visible;
  transition-delay: 0.2s;
}

/* Service Index */
.service-index-list {
  display: flex;
  flex-direction: column;
}

.service-index-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 200px;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--petrol-blue);
  gap: 2rem;
}
.service-index-item:first-child { border-top: 1px solid var(--petrol-blue); }

.s-num { font-family: var(--font-mono); color: var(--copper); }
.s-title { font-size: 1.75rem; }
.s-desc { color: var(--charcoal-blue); }
.s-link { text-align: right; }

/* Editorial Split */
.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}
.split-image {
  background-color: var(--midnight-blue);
  position: relative;
}
.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
}
.split-text {
  padding: 6rem 5%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Notebook Grid (Detailing Notes) */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.note-card {
  background-color: var(--white);
  border: 1px solid var(--warm-sand);
  padding: 2.5rem;
  position: relative;
}
.note-card::before {
  content: '';
  position: absolute;
  top: 0; left: 1.5rem; right: 1.5rem;
  height: 2px;
  background-color: var(--copper);
}

/* Photo Panel */
.photo-panel {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-panel-content {
  position: relative;
  z-index: 1;
  background: var(--white);
  padding: 4rem;
  max-width: 600px;
  text-align: center;
}

/* FAQ Accordion */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}
details {
  border-bottom: 1px solid var(--petrol-blue);
  padding: 1.5rem 0;
}
summary {
  font-size: 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--copper);
  font-size: 1.5rem;
}
details[open] summary::after { content: '-'; }
.faq-answer {
  padding-top: 1rem;
  color: var(--charcoal-blue);
}

/* Form Styles */
.enquiry-form {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--midnight-blue);
}
.form-control {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--petrol-blue);
  padding: 0.75rem 0;
  font-size: 1.125rem;
  color: var(--midnight-blue);
  font-family: var(--font-sans);
}
.form-control:focus {
  outline: none;
  border-bottom-color: var(--copper);
}
.form-message {
  display: none;
  padding: 1.5rem;
  background-color: var(--ice-blue);
  color: var(--midnight-blue);
  margin-top: 2rem;
  border-left: 4px solid var(--electric-cyan);
}

/* Footer */
.site-footer {
  background-color: var(--midnight-blue);
  color: var(--white);
  padding: 6rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}
.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.footer-nav a {
  font-size: 0.875rem;
  color: var(--ice-blue);
}
.footer-nav a:hover { color: var(--electric-cyan); }
.footer-editorial {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--warm-sand);
  opacity: 0.8;
  max-width: 400px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--midnight-blue);
  color: var(--white);
  padding: 1.5rem;
  z-index: 1000;
  display: none;
  border-top: 2px solid var(--electric-cyan);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
}
.cookie-banner.visible {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.cookie-text {
  flex: 1 1 300px;
  font-size: 0.875rem;
}
.cookie-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Utility Pages */
.page-header {
  padding: 120px 0 6rem;
  background-color: var(--midnight-blue);
  color: var(--white);
}
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}
.editorial-text p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}
.editorial-text h2, .editorial-text h3 {
  margin: 3rem 0 1.5rem;
  color: var(--petrol-blue);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@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;
  }
}

/* Breakpoints */
@media (max-width: 1200px) {
  .service-index-item {
    grid-template-columns: 50px 1fr 1fr;
  }
  .s-link { grid-column: 1 / -1; text-align: left; margin-top: 1rem; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--soft-cream);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--petrol-blue);
  }
  .nav-links.active { display: flex; }
  .mobile-toggle { display: block; }
  
  .horizontal-map { flex-direction: column; min-height: auto; }
  .map-stage { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
  .stage-title { writing-mode: horizontal-tb; transform: none; margin-top: 0; }
  .map-stage:hover, .map-stage.active { flex: auto; }
  .stage-content { max-width: 100%; }
  
  .service-index-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .s-num { margin-bottom: 0.5rem; }
  
  .split-feature { grid-template-columns: 1fr; }
  .split-image { min-height: 300px; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .text-large { font-size: 2.5rem; }
  .diag-tab { flex: 1 1 100%; border-right: none; border-bottom: 1px solid var(--petrol-blue); }
  .diagnostic-content-area { padding: 1.5rem; }
  .photo-panel-content { padding: 2rem 1rem; }
}