/* Precision Wash Bay Design System */
:root {
  --bg-main: #0B0C10;                  /* Deep Obsidian Black */
  --bg-surface: #121214;               /* Sleek Charcoal Black */
  --color-graphite: #FFFFFF;           /* High Contrast Silver-White */
  --color-steel-blue: #FF6F00;         /* Bold Premium Orange */
  --color-clean-aqua: #FF8F00;         /* Bright Orange Accent */
  --color-foam-white: #1A1A1C;         /* Dark Charcoal / Metallic Silver */
  --color-warm-grey: #D5D8DC;          /* Shiny Metallic Silver */
  --color-signal-orange: #FF6F00;      /* Vibrant Orange */
  --color-border: #2C2C2E;             /* Polished Dark Iron Border */
  --color-muted-text: #A6ACAF;         /* Muted Silver-Grey Text */
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --container-width: 1200px;
  --header-height: 60px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--color-warm-grey);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-clean-aqua);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--color-graphite);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

h1 {
  font-size: 2.75rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 16px;
  color: var(--color-muted-text);
}

.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-muted-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-steel-blue);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-clean-aqua);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--color-foam-white);
  color: var(--color-steel-blue);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: #2A2B30;
  border-color: var(--color-steel-blue);
}

.btn-accent {
  background-color: var(--color-signal-orange);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: #E65F00;
}

/* Sticky Header - Slim and Premium Design */
.header-wrapper {
  background-color: rgba(18, 18, 20, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(44, 44, 46, 0.75);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo span {
  color: var(--color-steel-blue);
}

.nav-links {
  display: flex;
  gap: 16px;
  list-style: none;
  align-items: center;
  height: 100%;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  padding: 6px 2px;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-steel-blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease-in-out;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links a.active {
  color: var(--color-steel-blue);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #FFFFFF;
  cursor: pointer;
  padding: 4px 8px;
}

.header-btn {
  display: flex;
  align-items: center;
}

.header-btn .btn {
  padding: 8px 16px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--border-radius-sm);
  white-space: nowrap;
}

/* Footer & Legal */
.footer-wrapper {
  background-color: #050505;
  color: #FFFFFF;
  padding-top: 60px;
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--color-steel-blue);
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-steel-blue);
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: var(--color-warm-grey);
  font-size: 0.9rem;
}

.footer-col ul li a:hover {
  color: var(--color-steel-blue);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-muted-text);
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-links a {
  color: var(--color-muted-text);
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

/* Cards & Surfaces */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 30px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255, 111, 0, 0.15);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-foam-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel-blue);
  font-size: 1.25rem;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
}

/* UI details / Wash-bay elements */
.process-strip {
  border-left: 3px solid var(--color-steel-blue);
  padding-left: 20px;
  margin-bottom: 30px;
}

.checklist-panel {
  background-color: var(--color-foam-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 24px;
}

.checklist-panel ul {
  list-style: none;
}

.checklist-panel li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-warm-grey);
}

.checklist-panel li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-steel-blue);
  font-weight: bold;
}

.maintenance-note {
  background-color: #1A120B;
  border-left: 4px solid var(--color-signal-orange);
  padding: 16px;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  font-size: 0.9rem;
  color: var(--color-warm-grey);
}

/* Service Selector Switcher (Homepage) */
.selector-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.selector-tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  padding: 12px 20px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  color: var(--color-muted-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.selector-tab-btn.active, .selector-tab-btn:hover {
  background-color: var(--color-steel-blue);
  color: #FFFFFF;
  border-color: var(--color-steel-blue);
}

.selector-content-pane {
  display: none;
  animation: fadeIn 0.4s ease;
}

.selector-content-pane.active {
  display: block;
}

/* Accordion (FAQ Page) */
.accordion-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-header {
  padding: 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  background-color: var(--bg-surface);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-foam-white);
}

.accordion-icon {
  transition: transform var(--transition-normal);
  font-weight: 300;
}

.accordion-content {
  display: none;
  padding: 20px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-foam-white);
  color: var(--color-warm-grey);
  font-size: 0.95rem;
}

.accordion-item.active .accordion-content {
  display: block;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 600px;
  background-color: var(--bg-surface);
  color: #FFFFFF;
  padding: 24px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 12px 36px rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
}

.cookie-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.cookie-text {
  font-size: 0.85rem;
  color: var(--color-muted-text);
  margin-bottom: 16px;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero Section Homepage */
.hero-section {
  background: linear-gradient(135deg, #050505 0%, #1A1A1C 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 111, 0, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section h1 {
  color: #FFFFFF;
}

.hero-section p {
  color: var(--color-muted-text);
}

/* Seasonal Strip */
.seasonal-strip {
  background-color: var(--color-foam-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.seasonal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 24px;
}

.seasonal-badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: var(--border-radius-sm);
  margin-bottom: 12px;
}

.badge-winter { background-color: #2A2E33; color: var(--color-steel-blue); }
.badge-spring { background-color: #1F2E23; color: #52BE80; }
.badge-summer { background-color: #33251E; color: var(--color-signal-orange); }
.badge-autumn { background-color: #2D221A; color: #D35400; }

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.form-control {
  width: 100%;
  padding: 12px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: #1A1A1C;
  color: #FFFFFF;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-steel-blue);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-feedback {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background-color: #1F2E23;
  color: #52BE80;
  border: 1px solid #1F2E23;
}

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

/* Media Queries */
@media (max-width: 1200px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  .nav-links {
    gap: 12px;
  }
  .nav-links a {
    font-size: 0.78rem;
  }
}

@media (max-width: 1080px) {
  .mobile-nav-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(18, 18, 20, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    gap: 14px;
    align-items: flex-start;
    height: auto;
    z-index: 999;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links a {
    font-size: 0.95rem;
    padding: 6px 0;
    width: 100%;
    display: block;
  }
  .nav-links a::after {
    display: none;
  }
  .header-btn {
    display: none;
  }
}

@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section-padding {
    padding-top: 60px;
    padding-bottom: 60px;
  }
}