/* Reset & Variables */
:root {
  --color-bg-dark: #070b19;
  --color-bg-card: #0f172a;
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary: #14b8a6; /* Teal */
  --color-primary-hover: #0d9488;
  --color-secondary: #6366f1; /* Indigo */
  --color-secondary-hover: #4f46e5;
  --color-accent: #38bdf8; /* Sky Blue */
  --color-border: #1e293b;
  --color-border-hover: #334155;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

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

body {
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Layout Utilities */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #070b19;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(20, 184, 166, 0.25);
}

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-text-muted);
}

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

.btn-ghost:hover {
  background-color: rgba(20, 184, 166, 0.1);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-secondary);
  color: white;
}

.btn-accent:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-light {
  background-color: white;
  color: var(--color-bg-dark);
}

.btn-light:hover {
  background-color: #f1f5f9;
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(7, 11, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-b: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  height: 48px;
  display: block;
}

/* Hero Section */
.hero {
  padding: 100px 24px 80px 24px;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.08) 0%, transparent 60%);
}

.hero-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.2);
  color: var(--color-primary);
  border-radius: 50px;
  margin-bottom: 24px;
}

.badge-accent {
  background-color: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--color-secondary);
}

.hero-title {
  font-size: 54px;
  line-height: 1.1;
  margin-bottom: 24px;
  font-family: var(--font-heading);
  font-weight: 900;
}

.hero-title .highlight {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Visual Card (Mock GUI) */
.hero-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  width: 100%;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
}

.card-header {
  background-color: #0b132b;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

.dots {
  display: flex;
  gap: 6px;
  margin-right: 16px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #ef4444;
}
.dot:nth-child(2) { background-color: #eab308; }
.dot:nth-child(3) { background-color: #22c55e; }

.window-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.card-body {
  padding: 16px;
}

.visualizer-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Features Section */
.features {
  background-color: #090e20;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px auto;
}

.section-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: 36px;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: 16px;
  transition: all var(--transition-medium);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: rgba(20, 184, 166, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card-title {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card-desc {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Services & Support Section */
.services {
  padding: 80px 0;
  background: radial-gradient(circle at 10% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
}

.services-wrapper {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.services-title {
  font-size: 38px;
  margin-bottom: 24px;
}

.services-desc {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-bottom: 40px;
}

.services-list {
  list-style: none;
  margin-bottom: 40px;
}

.services-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.list-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.services-list li strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.services-list li p {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* Glass Card */
.services-image {
  display: flex;
  justify-content: center;
}

.glass-card {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 40px;
  max-width: 400px;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 20px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  pointer-events: none;
}

.glass-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 8px;
  color: white;
}

.glass-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--color-accent);
  border-radius: 4px;
  margin-bottom: 20px;
}

.glass-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.glass-footer {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 16px;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #0d9488 0%, #4f46e5 100%);
  color: white;
  text-align: center;
  padding: 80px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.cta-title {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background-color: #03060d;
  padding: 60px 24px;
  border-top: 1px solid var(--color-border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-brand {
  text-align: center;
  margin-bottom: 40px;
}

.footer-logo {
  height: 44px;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  width: 100%;
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Responsive Design */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  
  .hero-subtitle {
    margin: 0 auto 32px auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .services-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .services-cta {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 40px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 30px;
  }
  
  .services-title {
    font-size: 30px;
  }
}

/* 3D Visualizer styling */
.visualizer-body {
  padding: 0;
  position: relative;
  background-color: #070b19;
}

#canvas-container,
#canvas-container canvas {
  width: 100%;
  height: 350px;
  display: block;
  cursor: grab !important;
}

#canvas-container:active,
#canvas-container:active canvas {
  cursor: grabbing !important;
}

.visualizer-legend {
  background-color: rgba(15, 23, 42, 0.95);
  border-top: 1px solid var(--color-border);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.legend-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.legend-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 12px;
}

.scale-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.scale-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.scale-label {
  font-size: 10px;
  font-family: monospace;
  color: var(--color-text-muted);
}

.visualizer-meta {
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--color-text-muted);
}

.visualizer-meta strong {
  color: var(--color-text-main);
}

@media (min-width: 768px) {
  .visualizer-legend {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 195px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px;
  }
  .legend-scale {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .visualizer-meta {
    flex-direction: column;
    gap: 4px;
    padding-top: 8px;
  }
}