:root {
  --bg-main: #F4F6F7;
  --bg-surface: #FFFFFF;
  --color-graphite: #1E252B;
  --color-steel: #486A7C;
  --color-aqua: #68B9C7;
  --bg-foam: #F8FCFD;
  --color-warm-grey: #D6D2CB;
  --color-orange: #D48645;
  --color-border: #DDE4E6;
  --text-muted: #66737A;
  
  --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s ease;
  --radius: 4px;
}

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

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-bg-surface {
  background-color: var(--bg-surface);
}

.section-bg-foam {
  background-color: var(--bg-foam);
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

.btn {
  display: inline-block;
  background-color: var(--color-steel);
  color: var(--bg-surface);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  background-color: var(--color-graphite);
  color: var(--bg-surface);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-steel);
  color: var(--color-steel);
}

.btn-outline:hover {
  background-color: var(--color-steel);
  color: var(--bg-surface);
}

.btn-accent {
  background-color: var(--color-orange);
  color: var(--bg-surface);
}

.btn-accent:hover {
  background-color: #b56c32;
}

/* Header & Navigation */
.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-graphite);
  letter-spacing: -0.5px;
}

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

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
  align-items: center;
}

.main-nav a {
  color: var(--color-graphite);
  font-size: 0.95rem;
  font-weight: 500;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--color-steel);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-graphite);
  border-radius: 2px;
}

/* Wash Bay Design Elements */
.wash-bay-lines {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(221, 228, 230, 0.3) 10px,
    rgba(221, 228, 230, 0.3) 20px
  );
}

.water-reflection {
  position: relative;
}
.water-reflection::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(104, 185, 199, 0.05), transparent 70%);
  pointer-events: none;
}

/* Hero Section */
.hero {
  padding: 100px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  color: var(--color-graphite);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
}

/* Cards & Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 5px 15px rgba(30, 37, 43, 0.05);
  border-color: var(--color-steel);
}

.card-icon {
  width: 40px;
  height: 40px;
  background-color: var(--bg-foam);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 20px;
  color: var(--color-steel);
  font-weight: bold;
}

/* Process Map */
.process-strip {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: 40px 0;
  flex-wrap: wrap;
  gap: 20px;
}

.process-strip::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-border);
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  background-color: var(--bg-surface);
  padding: 0 15px;
  text-align: center;
  flex: 1;
  min-width: 150px;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: var(--color-steel);
  color: var(--bg-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0 auto 15px auto;
  border: 4px solid var(--bg-surface);
}

/* Checklist Panel */
.checklist-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-steel);
  padding: 20px;
  margin-bottom: 20px;
}

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

.checklist-list li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
}

.checklist-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-aqua);
  font-weight: bold;
}

/* Maintenance Notes */
.maintenance-note {
  background-color: var(--bg-foam);
  border: 1px dashed var(--color-steel);
  padding: 20px;
  border-radius: var(--radius);
  margin-top: 20px;
}

.maintenance-note h4 {
  color: var(--color-steel);
  margin-bottom: 10px;
}

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

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-graphite);
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  background-color: var(--bg-surface);
  color: var(--color-graphite);
  transition: var(--transition);
}

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

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

#form-feedback {
  display: none;
  background-color: #e8f5e9;
  border: 1px solid #c8e6c9;
  color: #2e7d32;
  padding: 15px;
  border-radius: var(--radius);
  margin-top: 20px;
}

/* FAQ Accordion */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 15px;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 15px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-graphite);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-steel);
}

.faq-item.active .faq-question::after {
  content: '−';
}

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

.faq-answer-inner {
  padding-bottom: 20px;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background-color: var(--color-graphite);
  color: var(--bg-surface);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-aqua);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

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

.footer-links a:hover {
  color: var(--bg-surface);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -5px 15px rgba(0,0,0,0.05);
  padding: 20px;
  z-index: 2000;
  transition: bottom 0.5s ease;
}

.cookie-banner.show {
  bottom: 0;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
  font-size: 0.9rem;
}

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

.cookie-actions .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
}

/* Page Headers */
.page-header {
  background-color: var(--color-steel);
  color: var(--bg-surface);
  padding: 60px 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 10px;
}

.page-header p {
  color: var(--color-warm-grey);
  max-width: 600px;
  margin: 0 auto;
}

/* Images integration */
.image-block {
  margin: 30px 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.image-block img {
  width: 100%;
  display: block;
}

/* Responsive */
@media (max-width: 1200px) {
  .container { padding: 0 20px; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }
  
  .main-nav.active { display: block; }
  
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  
  .main-nav a {
    display: block;
    padding: 15px 20px;
    border-bottom: 1px solid var(--bg-main);
  }
  
  .header-cta { display: none; }
  
  .hero-title { font-size: 2.2rem; }
  
  .process-strip::before { display: none; }
  .process-step { margin-bottom: 20px; }
  
  .cookie-content { flex-direction: column; text-align: center; }
  .cookie-actions { justify-content: center; width: 100%; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}