:root {
  --bg-dark: #111827;
  --bg-light: #f9fafb;
  --text-dark: #e5e7eb;
  --text-light: #1f2937;
  --primary: #fbbf24;
  --primary-hover: #f59e0b;
  --secondary: #374151;
}

/* Dark Mode as default */
body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-dark);
  transition: background-color 0.5s, color 0.5s;
}

/* Light Mode */
body.light-mode {
  --bg-dark: #f9fafb;
  --bg-light: #111827;
  --text-dark: #1f2937;
  --text-light: #e5e7eb;
}

h1,
h2,
h3,
h4,
.font-orbitron {
  font-family: 'Orbitron', sans-serif;
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .glassmorphism {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

#navbar.scrolled {
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

body.light-mode #navbar.scrolled {
  background: rgba(249, 250, 251, 0.8);
}

/* Scroll-triggered Animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s, transform 0.8s;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Cursor Follower */
#cursor-aura {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  left: 0;
  top: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background-color 0.2s, opacity 0.2s;
  z-index: 9999;
  mix-blend-mode: difference;
  opacity: 0;
}
body:hover #cursor-aura {
  opacity: 1;
}
#cursor-aura.hovered {
  width: 60px;
  height: 60px;
  background-color: rgba(251, 191, 36, 0.2);
}

/* Quote Wizard Modal */
#quote-wizard-modal {
  transition: opacity 0.3s ease;
}
.wizard-step {
  display: none;
}
.wizard-step.active {
  display: block;
  animation: fadeIn 0.5s;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Timeline */
.timeline-item {
  position: relative;
}
.timeline-item:before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  width: 2px;
  height: calc(100% - 20px);
  background-color: var(--primary);
}
.timeline-item:last-child:before {
  display: none;
}
.timeline-dot {
  position: absolute;
  top: 20px;
  left: 20px;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
}

/* Project Gallery */
.gallery-item {
  transition: all 0.3s ease;
}
.gallery-item.hidden {
  transform: scale(0.8);
  opacity: 0;
  width: 0;
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

/* Testimonial Slider */
.testimonial-slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
}
.testimonial-item {
  min-width: 100%;
  box-sizing: border-box;
}

/* Client Logo Marquee */
.logo-marquee {
  display: flex;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Interactive SVG */
.interactive-svg-point {
  cursor: pointer;
  transition: all 0.2s ease;
}
.interactive-svg-point:hover {
  filter: drop-shadow(0 0 10px var(--primary));
}
#svg-tooltip {
  position: absolute;
  display: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  pointer-events: none;
  z-index: 10;
}