:root {
  /* Colors - Dark Mode Default */
  --bg-body: #09090b;
  --bg-surface: #18181b;
  --bg-surface-elevated: #27272a;
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --border-subtle: #27272a;
  --border-default: #3f3f46;
  
  /* Modern Blue/Cyan Gradient */
  --accent-primary: #06b6d4;
  --accent-secondary: #3b82f6;
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 80px;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-accent: 0 10px 25px -5px rgba(6, 182, 212, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

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

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

/* Layout Utilities */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

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

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(6, 182, 212, 0.4);
}

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

.btn-outline:hover {
  border-color: var(--accent-primary);
  background: rgba(255,255,255,0.05);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border-subtle);
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nav-link:hover {
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 50% 10%, rgba(6, 182, 212, 0.15), transparent 40%);
}

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

.hero-badge {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

/* Service Areas */
.area-tag {
  background: var(--bg-surface-elevated);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface-elevated);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--bg-surface), var(--bg-surface-elevated));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

/* Testimonial */
.testimonial-card {
  text-align: center;
  padding: var(--space-xl);
}

.avatar-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  margin: 0 auto var(--space-md);
  border: 2px solid var(--accent-primary);
}

/* Blog */
.blog-card-image {
  height: 200px;
  background: var(--bg-surface-elevated);
  margin: calc(var(--space-lg) * -1);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

/* Footer */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-col h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-link {
  display: block;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* Placeholders */
.placeholder-img {
  background-color: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  width: 100%;
  height: 100%;
  min-height: 200px;
  border-radius: var(--radius-md);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* SVG Icon styles */
svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}