/* ============================================
   MIRVALO DESIGN SYSTEM - Premium Car Wash AE
   ============================================ */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors - Premium Clean-Tech Desert City */
  --color-graphite: #1a1a1a;
  --color-midnight: #0f1419;
  --color-sand: #f5f2eb;
  --color-beige: #ede7d9;
  --color-white: #ffffff;
  --color-ceramic: #f8f9fa;
  --color-aqua: #00d4aa;
  --color-teal: #0d7f6b;
  --color-aqua-light: rgba(0, 212, 170, 0.1);
  --color-aqua-hover: #00b894;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6c757d;
  --color-text-muted: #adb5bd;
  --color-border: #e9ecef;
  --color-border-light: #f1f3f4;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Georgia', 'Times New Roman', serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-midnight) 0%, var(--color-graphite) 100%);
  --gradient-aqua: linear-gradient(135deg, var(--color-aqua) 0%, var(--color-teal) 100%);
  --gradient-sand: linear-gradient(135deg, var(--color-sand) 0%, var(--color-beige) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-primary);
}

body {
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Respect reduced motion */
@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;
  }
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
select,
optgroup,
textarea {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }

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

.font-secondary { font-family: var(--font-secondary); }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 768px) {
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.flex {
  display: flex;
}

.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===== COMPONENTS ===== */

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(20px);
  background: var(--gradient-glass);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-graphite);
  position: relative;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-aqua);
  transition: width var(--transition-base);
}

.site-header.scrolled .logo::after {
  width: 100%;
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
  padding: var(--space-2) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-aqua);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-midnight);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-menu {
  text-align: center;
}

.mobile-nav-menu .nav-link {
  display: block;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-6);
  color: var(--color-white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-aqua);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-ceramic);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--color-aqua-light);
  color: var(--color-teal);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-content {
  padding: var(--space-6);
}

.card-image {
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

.step {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-ceramic);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.step.active {
  background: var(--gradient-aqua);
  color: var(--color-white);
  transform: scale(1.02);
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.step.active .step-icon {
  background: var(--color-white);
  transform: scale(1.1);
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Service Cards */
.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-12) 0;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.service-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-graphite);
}

.service-price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-aqua);
}

.service-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4) 0;
}

.service-features li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.service-features li::before {
  content: '✓';
  color: var(--color-aqua);
  font-weight: bold;
}

/* Form Components */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-aqua);
  box-shadow: 0 0 0 3px var(--color-aqua-light);
}

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

/* Trust Indicators */
.trust-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.trust-item::before {
  content: '✓';
  color: var(--color-aqua);
  font-weight: bold;
}

/* Availability Badge */
.availability-badge {
  position: fixed;
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
  background: var(--gradient-aqua);
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  font-size: var(--font-size-sm);
  font-weight: 600;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Split Sections */
.split-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  margin: var(--space-16) 0;
}

@media (min-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr 1fr;
  }
}

.split-content {
  order: 2;
}

@media (min-width: 1024px) {
  .split-content {
    order: 1;
  }
}

.split-media {
  order: 1;
  position: relative;
}

@media (min-width: 1024px) {
  .split-media {
    order: 2;
  }
}

.split-media img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.cta-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
  opacity: 0.9;
}

/* Footer */
.site-footer {
  background: var(--color-graphite);
  color: var(--color-white);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  margin-bottom: var(--space-4);
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.footer-description {
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.footer-links h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-4);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ===== UTILITIES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

  .trust-row {
    justify-content: center;
    text-align: center;
  }

  .availability-badge {
    display: none;
  }

  .cta-title {
    font-size: var(--font-size-3xl);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Print styles */
@media print {
  .site-header,
  .mobile-menu-toggle,
  .availability-badge {
    display: none !important;
  }
}