/* ============================================================================
   PREMIUM CITY CLEAN EXPERTS - CSS
   Modern, luxury design, dark mode, glassmorphism, conversion-optimized
   ============================================================================ */

:root {
  /* Light Mode Colors base */
  --color-primary: #0a0f1d;
  --color-secondary: #1a2542;
  --color-accent: #d4af37;
  --color-accent-light: #f5d76c;
  --color-bg: #ffffff;
  --color-bg-secondary: #f1f5f9;
  --color-text: #000000;
  --color-text-secondary: #1e293b;
  --color-border: rgba(0, 0, 0, 0.15);
  --color-shadow: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.15);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #d4af37 0%, #f5d76c 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(10, 15, 29, 0.95), rgba(26, 37, 66, 0.9));

  /* Spacing & Sizes */
  --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: 'Outfit', sans-serif;
  --font-display: 'Playfair Display', 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 Theme */
[data-theme="dark"] {
  --color-primary: #d4af37;
  --color-secondary: #e0c482;
  --color-accent: #d4af37;
  --color-accent-light: #f5d76c;
  --color-bg: #0b1121;
  --color-bg-secondary: #131c31;
  --color-text: #f0f4f8;
  --color-text-secondary: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-shadow: rgba(0, 0, 0, 0.3);
  --glass-bg: rgba(19, 28, 49, 0.6);
  --glass-border: rgba(255, 255, 255, 0.05);
}

* {
  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);
  position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

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

/* Glassmorphism Classes */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.glass-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--color-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Background Animated Orbs */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.15;
  animation: floatOrb 10s ease-in-out infinite alternate;
}

.glow-orb.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--color-accent);
  top: -100px;
  left: -150px;
}

.glow-orb.orb-2 {
  width: 600px;
  height: 600px;
  background: #3b82f6; /* complementary blue glow */
  top: 40%;
  right: -200px;
  animation-delay: -5s;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(50px) scale(1.1); }
}

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

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}
.section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-sm);
}
.section-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  border: none;
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0a0f1d; /* Always keep primary btn text dark for contrast on gold */
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.glass-btn {
  background: transparent;
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-accent);
  color: var(--color-text);
}

.glass-btn:hover {
  background: var(--color-accent);
  color: #0a0f1d;
}

.magnetic {
  position: relative;
  transition: transform var(--transition-fast);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1rem var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  font-weight: 700;
  gap: var(--spacing-sm);
}

.brand-graphic {
  height: 70px;
  width: auto;
  object-fit: contain;
  transition: filter var(--transition-base);
}

[data-theme="dark"] .brand-graphic {
  /* Provides a soft white outline/glow so the dark navy logo pops in dark mode */
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.6)) brightness(1.2);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}
.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}
.nav-link:hover { opacity: 1; }

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

.nav-cta {
  padding: 0.6rem 1.5rem;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.theme-toggle {
  background: transparent;
  border: none;
  color: var(--color-text);
  cursor: pointer;
}
.theme-toggle .moon-icon { display: none; }
[data-theme="dark"] .theme-toggle .sun-icon { display: none; }
[data-theme="dark"] .theme-toggle .moon-icon { display: block; }

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
}
.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-2xl);
}
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
  backdrop-filter: blur(10px);
}
.hero-title {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}
.hero-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}
.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}
.hero-stats {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
}
.stat-item {
  display: inline-flex;
  flex-direction: column;
}
.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-visual {
  position: relative;
}
.image-wrapper {
  overflow: hidden;
  border-radius: 20px;
  aspect-ratio: 4/5;
}
.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  bottom: -30px;
  left: -40px;
  padding: 1.5rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}
.floating-anim {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Trust Bar */
.trust-bar {
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-top: -1px;
}
.trust-badges {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  font-size: 1.1rem;
}
.badge svg {
  color: var(--color-accent);
}

/* Estimator Widget */
.estimator-section {
  padding: var(--spacing-3xl) 0;
}
.estimator-widget {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}
.calc-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}
.calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}
.calc-group select, .calc-group input[type="range"] {
  width: 100%;
  padding: 0.8rem;
  border-radius: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: inherit;
}
.range-val {
  text-align: right; margin-top: 0.5rem; font-weight: bold; color: var(--color-accent);
}
.calc-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
}
.price-estimate {
  display: flex;
  align-items: baseline;
}
.price-estimate .currency { font-size: 1.5rem; font-weight: bold; color: var(--color-accent); }
.price-estimate #estimatedPrice { font-size: 3rem; font-weight: 700; color: var(--color-text); line-height: 1; }
.per-time { margin-left: 0.5rem; color: var(--color-text-secondary); }

/* Services Grid */
.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-lg); }
.service-card { padding: var(--spacing-xl); }
.service-card:hover { transform: translateY(-10px); border-color: var(--color-accent); }
.service-icon { width: 60px; height: 60px; background: var(--color-bg); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.service-icon svg { color: var(--color-accent); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.service-card p { color: var(--color-text-secondary); margin-bottom: 1.5rem; }
.service-card ul { list-style: none; }
.service-card ul li { padding: 0.4rem 0; color: var(--color-text); font-size: 0.95rem; display: flex; align-items: center; gap: 0.5rem; }
.service-card ul li::before { content: '•'; color: var(--color-accent); }

/* Team Section */
.team-section { padding: var(--spacing-3xl) 0; }
.team-container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); align-items: center; }
.team-features { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; }
.team-features li { display: flex; align-items: flex-start; gap: 1rem; font-size: 1.1rem; }
.team-image-wrapper { aspect-ratio: 4/3; border-radius: 20px; overflow: hidden; }
.team-image-wrapper img { width: 100%; height: 100%; object-fit: cover; }

/* FAQ Section */
.faq-section { padding: var(--spacing-3xl) 0; }
.faq-accordion { max-width: 800px; margin: 0 auto; padding: var(--spacing-md); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: none; }
.faq-question { width: 100%; text-align: left; background: none; border: none; padding: 1.5rem 0; font-size: 1.25rem; font-weight: 600; font-family: var(--font-primary); color: var(--color-text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--color-accent); transition: transform 0.3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-answer p { padding-bottom: 1.5rem; color: var(--color-text-secondary); }

/* CTA Section */
.cta-section { padding: var(--spacing-3xl) 0; position: relative; background: var(--color-bg-secondary); }
.cta-box { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); padding: var(--spacing-2xl); align-items: center; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.contact-form input, .contact-form select { padding: 1rem; border-radius: 8px; border: 1px solid var(--color-border); background: var(--color-bg); color: var(--color-text); font-family: inherit; }

/* Footer */
.footer { padding: var(--spacing-2xl) 0 var(--spacing-md) 0; border-top: 1px solid var(--color-border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.footer-links a { display: block; color: var(--color-text-secondary); text-decoration: none; margin-bottom: 0.5rem; }
.footer-links a:hover { color: var(--color-accent); }
.footer h4 { margin-bottom: 1rem; }
.footer-bottom { text-align: center; color: var(--color-text-secondary); font-size: 0.9rem; padding-top: var(--spacing-md); border-top: 1px solid var(--color-border); }

/* Responsive */
@media (max-width: 992px) {
  .hero-container, .team-container, .cta-box { grid-template-columns: 1fr; }
  .calc-row { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-actions .nav-cta { display: none; }
  .hamburger { display: flex; flex-direction: column; gap: 5px; background: none; border: none; }
  .hamburger span { width: 25px; height: 2px; background: var(--color-text); }
  .footer-grid { grid-template-columns: 1fr; }
  .calc-result { flex-direction: column; gap: 1rem; align-items: flex-start; }
}

/* Animations Reveal */
.reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s ease-out; }
.reveal-up.active { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: all 0.8s ease-out; }
.reveal-scale.active { opacity: 1; transform: scale(1); }