/* ============================================================================
   PREMIUM CITY CLEAN EXPERTS - CSS
   Modern, luxury design with dark mode support
   ============================================================================ */

/* CSS Variables */
:root {
  /* Light Mode Colors */
  --color-primary: #1a1f3a;
  --color-secondary: #2d3561;
  --color-accent: #c9a961;
  --color-accent-light: #e0c482;
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fb;
  --color-text: #1a1f3a;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-shadow: rgba(26, 31, 58, 0.08);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #c9a961 0%, #e0c482 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(26, 31, 58, 0.95), rgba(45, 53, 97, 0.9));
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --color-primary: #e0c482;
  --color-secondary: #c9a961;
  --color-accent: #e0c482;
  --color-accent-light: #f0d9a3;
  --color-bg: #0f1419;
  --color-bg-secondary: #1a1f2e;
  --color-text: #f8f9fb;
  --color-text-secondary: #94a3b8;
  --color-border: #2d3548;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --gradient-overlay: linear-gradient(135deg, rgba(15, 20, 25, 0.95), rgba(26, 31, 46, 0.9));
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  border: none;
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(201, 169, 97, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201, 169, 97, 0.4);
}

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* Magnetic Button Effect */
.magnetic {
  position: relative;
  transition: transform var(--transition-fast);
}

.magnetic:hover {
  transform: scale(1.05);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 100px;
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px var(--color-shadow);
}

.theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--color-accent);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--color-text);
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 20, 25, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.brand-icon {
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

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

.nav-cta {
  padding: 0.625rem 1.5rem;
  background: var(--gradient-primary);
  color: var(--color-primary);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-3xl) var(--spacing-lg);
  margin-top: 70px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-secondary);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 700px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  line-height: 1.1;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

/* Trust Bar */
.trust-bar {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
}

.trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text);
  font-weight: 500;
}

.badge svg {
  color: var(--color-accent);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Gallery Hero */
.gallery-hero {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item.large {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(26, 31, 58, 0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-content h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.gallery-content p {
  color: var(--color-accent-light);
  font-size: 0.875rem;
}

/* Services Section */
.services {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--color-shadow);
  border-color: var(--color-accent);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.service-icon svg {
  color: var(--color-primary);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.service-features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: bold;
  margin-right: var(--spacing-xs);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: var(--spacing-sm);
}

/* Trust Section */
.trust-section {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.trust-card {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  transition: all var(--transition-base);
}

.trust-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.trust-number {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.trust-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.trust-card p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Testimonials */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px var(--color-shadow);
}

.testimonial-rating {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.testimonial-text {
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
}

.author-role {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg);
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.cta-content {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.cta-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

/* Quote Form */
.quote-form {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.1);
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.footer-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  border-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

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

.footer-links li,
.footer-contact li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.footer-contact svg {
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-legal a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

.footer-legal span {
  color: var(--color-text-secondary);
}

/* Reveal Animations */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .gallery-item.large {
    grid-column: span 1;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    transition: left var(--transition-base);
    border-top: 1px solid var(--color-border);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-wrap: wrap;
  }
  
  .stat-divider {
    display: none;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .section-header {
    margin-bottom: var(--spacing-xl);
  }
}