:root {
  --color-bg: #0F1419;
  --color-bg-elevated: #1A2332;
  --color-bg-subtle: #1F2937;
  --color-primary: #0088DD;
  --color-primary-dim: #0066AA;
  --color-accent: #A4D65E;
  --color-text: #E8EAED;
  --color-text-muted: #9BA3AF;
  --color-text-dim: #6B7280;
  --color-border: #2D3748;
  --color-border-subtle: #1F2937;
  
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 8rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--color-primary);
  color: var(--color-bg);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-full {
  width: 100%;
  max-width: 100vw;
  padding: 0 var(--spacing-md);
  overflow-x: hidden;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(11, 15, 20, 0.95) 0%, rgba(11, 15, 20, 0.85) 100%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 217, 255, 0.15);
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: linear-gradient(180deg, rgba(11, 15, 20, 0.98) 0%, rgba(11, 15, 20, 0.95) 100%);
  border-bottom-color: rgba(0, 255, 136, 0.2);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(0, 217, 255, 0.1) inset;
}

.nav-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.25rem var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo a {
  display: block;
  line-height: 0;
  cursor: pointer;
}

.nav-logo .logo-image {
  height: 50px;
  width: auto;
  display: block;
  transition: transform var(--transition-base);
}

.nav-logo .logo-image:hover {
  transform: scale(1.05);
}

.nav-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

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

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

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

.nav-link-cta {
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, #00FF88, #00D9FF);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(0, 255, 136, 0.3);
}

.nav-link-cta::after {
  display: none;
}

.nav-link-cta:hover {
  background: linear-gradient(135deg, #00D9FF, #00FF88);
  color: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 217, 255, 0.4);
}

.nav-dropdown {
  position: relative;
  display: inline-block;
}

@media (min-width: 769px) {
  .nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    padding-top: 1rem;
    margin-top: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 1000;
  }
  
  .nav-dropdown:hover .nav-dropdown-content,
  .nav-dropdown-content:hover {
    display: block;
  }
}

.nav-dropdown-content a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-dropdown-content a:hover {
  color: var(--color-primary);
  background: rgba(0, 255, 136, 0.05);
  border-left-color: var(--color-primary);
  padding-left: 1.5rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.75rem;
  z-index: 1000;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.lang-switch {
  display: flex !important;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  align-items: center;
}

.lang-switch button {
  padding: 0.375rem 0.75rem !important;
  background: transparent !important;
  border: none !important;
  color: rgba(255, 255, 255, 0.6) !important;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  border-radius: 4px !important;
  transition: all 0.2s ease !important;
  font-family: inherit !important;
  line-height: 1 !important;
  outline: none !important;
}

.lang-switch button:hover {
  color: rgba(255, 255, 255, 0.9) !important;
  background: rgba(255, 255, 255, 0.05) !important;
}

.lang-switch button.active {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 217, 255, 0.15)) !important;
  color: #00FF88 !important;
  border: 1px solid rgba(0, 217, 255, 0.3) !important;
  box-shadow: 0 2px 8px rgba(0, 217, 255, 0.3) !important;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.5; }
  50% { transform: translateX(-50%) scale(1.1); opacity: 0.7; }
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-content {
  z-index: 2;
  opacity: 0;
  animation: fadeInUp 1s ease forwards 0.3s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
  from {
    opacity: 0;
    transform: translateY(30px);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero-subtitle strong {
  color: var(--color-text);
  font-weight: 600;
  position: relative;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 217, 255, 0.4);
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-pattern {
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-pattern .hero-logo {
  width: 400px;
  height: 400px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  opacity: 1;
  filter: drop-shadow(0 0 30px rgba(0, 217, 255, 0.3));
}

.grid-pattern::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  opacity: 0.2;
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-dim);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.5s;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.5; }
}

section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

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

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

.value-section {
  background: linear-gradient(180deg, #141D26 0%, #1A2432 100%);
  border-top: 1px solid rgba(0, 217, 255, 0.15);
  border-bottom: 1px solid rgba(0, 217, 255, 0.15);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.value-card {
  background: var(--color-bg-subtle);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
}

.value-card.animate {
  animation: fadeInUp 0.6s ease forwards;
}

.value-card:nth-child(2).animate {
  animation-delay: 0.2s;
}

.value-card:nth-child(3).animate {
  animation-delay: 0.4s;
}

.value-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.15);
}

.value-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 217, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.value-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.value-description {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.value-description strong {
  color: var(--color-text);
  font-weight: 600;
}

.ai-solutions {
  background: linear-gradient(180deg, #0A0E12 0%, #0D1117 100%);
}

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

.ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 1000px;
  margin: 0 auto;
}

.ai-item {
  padding: var(--spacing-lg);
  border-left: 2px solid var(--color-border-subtle);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
  position: relative;
}

.ai-item.animate {
  animation: fadeInUp 0.5s ease forwards;
}

.ai-item:nth-child(2).animate { animation-delay: 0.1s; }
.ai-item:nth-child(3).animate { animation-delay: 0.2s; }
.ai-item:nth-child(4).animate { animation-delay: 0.3s; }
.ai-item:nth-child(5).animate { animation-delay: 0.4s; }
.ai-item:nth-child(6).animate { animation-delay: 0.5s; }

.ai-item:hover {
  border-left-color: var(--color-primary);
  transform: translateX(8px);
}

.ai-item-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.ai-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(0, 136, 221, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

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

.ai-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.ai-item-desc {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.ai-item-desc strong {
  color: var(--color-text);
  font-weight: 600;
}

.platforms {
  background: linear-gradient(180deg, #151E28 0%, #1A2533 100%);
  border-top: 1px solid rgba(0, 255, 136, 0.15);
}

.platform-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.platform-card {
  background: var(--color-bg-subtle);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.platform-card-large {
  grid-column: span 2;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.platform-card:hover::before {
  transform: scaleX(1);
}

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

.platform-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: rgba(0, 217, 255, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.platform-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.heimdall-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.platform-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.platform-description strong {
  color: var(--color-text);
  font-weight: 600;
}

.platform-specs {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: var(--spacing-lg);
}

.platform-specs li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  padding-left: 1.5rem;
  position: relative;
}

.platform-specs li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.platform-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.feature-item {
  background: rgba(0, 217, 255, 0.04);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(0, 217, 255, 0.08);
  border-color: rgba(0, 217, 255, 0.4);
  transform: translateY(-2px);
}

.feature-item strong {
  color: #00D9FF;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.platform-visual {
  margin-top: var(--spacing-lg);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.architecture-diagram {
  width: 100%;
  max-width: 1200px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  background: rgba(15, 20, 25, 0.5);
  display: block;
}

.billing-screenshot {
  width: 45%;
  max-width: 450px;
  min-width: 300px;
  height: auto;
  border-radius: 12px;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 16px rgba(0, 0, 0, 0.3),
    0 16px 32px rgba(0, 0, 0, 0.25);
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.4), rgba(15, 20, 25, 0.6));
  padding: 8px;
  display: block;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0, 136, 221, 0.15);
  flex-shrink: 0;
}

.billing-screenshot:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 0 0 1px rgba(0, 136, 221, 0.3),
    0 4px 8px rgba(0, 0, 0, 0.25),
    0 12px 24px rgba(0, 0, 0, 0.35),
    0 24px 48px rgba(0, 136, 221, 0.15);
  border-color: rgba(0, 136, 221, 0.3);
}

.platform-visual {
  margin-top: var(--spacing-lg);
  min-height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Heimdall Diagram V2 - Enterprise Architecture */
.heimdall-diagram-v2 {
  width: 100%;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(180deg, rgba(15, 20, 25, 0.8), rgba(26, 35, 50, 0.6));
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.hd-layer {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.hd-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.hd-nodes {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hd-client {
  padding: 0.75rem 1.5rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.hd-client:hover {
  background: rgba(0, 136, 221, 0.1);
  box-shadow: 0 4px 12px rgba(0, 136, 221, 0.2);
  transform: translateY(-2px);
}

.hd-arrow-down {
  text-align: center;
  font-size: 2rem;
  color: var(--color-primary);
  margin: var(--spacing-md) 0;
  opacity: 0.6;
}

.hd-platform {
  background: linear-gradient(135deg, rgba(0, 136, 221, 0.08), rgba(164, 214, 94, 0.05));
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 0 40px rgba(0, 136, 221, 0.15);
  margin: var(--spacing-md) 0;
}

.hd-platform-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.05em;
}

.hd-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.hd-block {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
}

.hd-block:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(164, 214, 94, 0.1);
}

.hd-block-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hd-components {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hd-components span {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: 0.375rem 0.625rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.hd-components span:hover {
  color: var(--color-text);
  background: rgba(0, 136, 221, 0.1);
}

.hd-destinations {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hd-destination {
  padding: var(--spacing-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  min-width: 180px;
  text-align: center;
  transition: all var(--transition-base);
}

.hd-destination:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 136, 221, 0.15);
  transform: translateY(-2px);
}

.hd-dest-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.hd-dest-sub {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.diagram-connections::before {
  top: 80px;
  height: 40px;
}

.diagram-connections::after {
  bottom: 80px;
  height: 40px;
}

.architecture-diagram {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: center;
}

.agent-diagram {
  width: 100%;
  height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing-md);
  position: relative;
}

.agent-layer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 2;
}

.agent-layer.inputs,
.agent-layer.actions {
  gap: var(--spacing-sm);
}

.agent-input,
.agent-action {
  padding: 0.75rem 1.25rem;
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: all var(--transition-base);
  animation: nodeFloat 3s ease-in-out infinite;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.agent-input svg,
.agent-action svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.agent-input:nth-child(2) {
  animation-delay: 0.5s;
}

.agent-input:nth-child(3) {
  animation-delay: 1s;
}

.agent-action:nth-child(2) {
  animation-delay: 0.7s;
}

.agent-action:nth-child(3) {
  animation-delay: 1.4s;
}

.agent-input:hover,
.agent-action:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
  border-color: var(--color-accent);
}

.agent-brain {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(0, 255, 136, 0.15));
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  min-width: 350px;
  box-shadow: 0 0 40px rgba(0, 217, 255, 0.25), inset 0 0 20px rgba(0, 217, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.agent-brain::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

.brain-label {
  text-align: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}

.brain-label svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.brain-components {
  display: flex;
  justify-content: space-around;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.brain-components span {
  background: var(--color-bg-subtle);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 600;
  transition: all var(--transition-base);
}

.brain-components span:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.agent-connections {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
}

.agent-connections::before,
.agent-connections::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  opacity: 0.3;
  transform: translateX(-50%);
}

.agent-connections::before {
  top: 80px;
  height: 50px;
}

.agent-connections::after {
  bottom: 80px;
  height: 50px;
}

.billing-diagram {
  width: 100%;
  height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing-md);
  position: relative;
}

.billing-modules,
.billing-integrations {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  z-index: 2;
  flex-wrap: wrap;
}

.billing-module,
.billing-integration {
  padding: 0.75rem 1rem;
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 600;
  transition: all var(--transition-base);
  animation: nodeFloat 3s ease-in-out infinite;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.billing-module svg,
.billing-integration svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.billing-module:nth-child(2) {
  animation-delay: 0.5s;
}

.billing-module:nth-child(3) {
  animation-delay: 1s;
}

.billing-module:nth-child(4) {
  animation-delay: 1.2s;
}

.billing-module:nth-child(5) {
  animation-delay: 1.5s;
}

.billing-integration:nth-child(2) {
  animation-delay: 0.7s;
}

.billing-integration:nth-child(3) {
  animation-delay: 1.4s;
}

.billing-module:hover,
.billing-integration:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 255, 136, 0.3);
  border-color: var(--color-primary);
}

.billing-box {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 217, 255, 0.1));
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
  margin: 0 auto;
  max-width: 500px;
  width: 100%;
}

.billing-label {
  text-align: center;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.billing-tech {
  display: flex;
  justify-content: space-around;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.billing-tech span {
  background: var(--color-bg-subtle);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 600;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.billing-tech span svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.billing-tech span:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.billing-tech span:hover svg {
  color: var(--color-bg);
}

.diagram-node {
  width: 80px;
  height: 80px;
  background: rgba(0, 217, 255, 0.1);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  animation: nodeFloat 3s ease-in-out infinite;
}

.diagram-node:nth-child(2) {
  animation-delay: 0.3s;
}

.diagram-node:nth-child(3) {
  animation-delay: 0.6s;
}

.diagram-node.ai {
  border-color: var(--color-accent);
  background: rgba(0, 255, 136, 0.1);
}

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

.cases {
  background: linear-gradient(180deg, #0A0E12 0%, #0D1117 50%, #0A0E12 100%);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid rgba(0, 217, 255, 0.2);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.cases::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.5), transparent);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.cases-scroll-wrapper {
  position: relative;
  overflow: visible;
  padding: var(--spacing-lg) 0;
  max-width: 100vw;
  margin: 0 auto;
}

.cases-scroll {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 136, 221, 0.3) rgba(0, 0, 0, 0.2);
  padding: var(--spacing-md) max(var(--spacing-md), calc((100vw - 1400px) / 2));
  -webkit-overflow-scrolling: touch;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.cases-scroll::-webkit-scrollbar {
  height: 8px;
}

.cases-scroll::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  margin: 0 var(--spacing-md);
}

.cases-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, rgba(0, 136, 221, 0.5), rgba(164, 214, 94, 0.5));
  border-radius: 4px;
  transition: background 0.3s ease;
}

.cases-scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, rgba(0, 136, 221, 0.8), rgba(164, 214, 94, 0.8));
}

.case-card {
  flex: 0 0 420px;
  min-width: 420px;
  max-width: 420px;
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.6), rgba(15, 20, 25, 0.8));
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  scroll-snap-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 
    0 4px 6px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.case-logo {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 136, 221, 0.08), rgba(164, 214, 94, 0.05));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-logo img {
  max-width: 120px;
  max-height: 40px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.case-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0, 136, 221, 0.5);
  box-shadow: 
    0 0 0 1px rgba(0, 136, 221, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.2),
    0 16px 32px rgba(0, 0, 0, 0.3),
    0 24px 48px rgba(0, 136, 221, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.8), rgba(15, 20, 25, 0.9));
}

.case-card-featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(145deg, rgba(0, 136, 221, 0.15), rgba(164, 214, 94, 0.08));
  box-shadow: 
    0 0 0 1px rgba(0, 217, 255, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.2),
    0 16px 32px rgba(0, 136, 221, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
}

.case-card-featured::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, rgba(0, 136, 221, 0.3), rgba(164, 214, 94, 0.3));
  border-radius: 16px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.case-card-featured:hover::before {
  opacity: 1;
}

.case-card-featured:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 0 0 1px rgba(0, 217, 255, 0.5),
    0 8px 16px rgba(0, 0, 0, 0.2),
    0 16px 32px rgba(0, 136, 221, 0.3),
    0 24px 48px rgba(0, 217, 255, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.case-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.25);
  color: #00D9FF;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.case-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.case-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.case-description strong {
  color: var(--color-text);
  font-weight: 600;
}

.case-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
}

.case-highlights span {
  padding: 0.375rem 0.75rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: all var(--transition-base);
}

.case-highlights span:hover {
  background: rgba(0, 217, 255, 0.2);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: var(--spacing-md);
  align-items: center;
}

.case-tech .tech-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.25rem;
}

.case-tech span:not(.tech-label) {
  padding: 0.25rem 0.5rem;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: rgba(0, 255, 136, 0.9);
  font-weight: 500;
  font-family: 'Courier New', monospace;
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: var(--spacing-sm);
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

.case-metrics {
  display: flex;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Partners Section */
.partners {
  background: linear-gradient(180deg, #0D1117 0%, #141D26 100%);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid rgba(0, 217, 255, 0.15);
  position: relative;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.partner-card {
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.6), rgba(15, 20, 25, 0.8));
  padding: 3rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 
    0 4px 6px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.partner-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 136, 221, 0.4);
  box-shadow: 
    0 0 0 1px rgba(0, 136, 221, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.2),
    0 16px 32px rgba(0, 0, 0, 0.3),
    0 24px 48px rgba(0, 136, 221, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  background: linear-gradient(145deg, rgba(26, 35, 50, 0.8), rgba(15, 20, 25, 0.9));
}

.partner-logo {
  margin-bottom: 1.5rem;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.partner-card:hover .partner-logo {
  transform: scale(1.05);
}

.partner-logo img {
  max-width: 180px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.9;
  transition: all 0.3s ease;
}

.partner-card:hover .partner-logo img {
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(0, 136, 221, 0.3));
}

.partner-logo img.adyen-logo {
  max-width: 280px;
  max-height: 120px;
}

.partner-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.how-we-work {
  background: linear-gradient(180deg, #141D26 0%, #1A2432 100%);
  border-top: 1px solid rgba(0, 255, 136, 0.15);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  opacity: 0.3;
}

.timeline-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0;
  transform: translateX(-30px);
  transition: all var(--transition-base);
}

.timeline-item.animate {
  animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-item:nth-child(2).animate { animation-delay: 0.2s; }
.timeline-item:nth-child(3).animate { animation-delay: 0.4s; }
.timeline-item:nth-child(4).animate { animation-delay: 0.6s; }
.timeline-item:nth-child(5).animate { animation-delay: 0.8s; }

.timeline-marker {
  flex-shrink: 0;
  position: relative;
}

.timeline-dot {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  border: 3px solid var(--color-primary);
  position: relative;
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-dot {
  background: var(--color-primary);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
}

.timeline-content {
  flex: 1;
  padding: var(--spacing-md);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.timeline-step {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  font-family: monospace;
}

.timeline-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.timeline-description {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.commercial {
  background: linear-gradient(180deg, #0A0E12 0%, #0D1117 100%);
  border-top: 1px solid rgba(0, 217, 255, 0.12);
}

.commercial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.commercial-card {
  background: var(--color-bg-elevated);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.commercial-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 40px rgba(0, 217, 255, 0.15);
  transform: scale(1.05);
}

.commercial-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
}

.commercial-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.commercial-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-md);
  padding: 0.375rem 0.875rem;
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.commercial-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.commercial-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

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

.commercial-features li {
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  padding-left: 1.75rem;
  position: relative;
  font-size: 0.9375rem;
}

.commercial-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.commercial-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
  margin-top: auto;
}

.commercial-link:hover {
  gap: 0.75rem;
  color: var(--color-accent);
}

.angel-investment {
  background: linear-gradient(180deg, #151E28 0%, #1A2533 100%);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(0, 255, 136, 0.15);
}

.angel-intro {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.angel-intro strong {
  color: var(--color-primary);
  font-weight: 600;
}

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

.angel-section-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--spacing-sm);
}

.angel-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.angel-item {
  background: var(--color-bg-elevated);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-base);
}

.angel-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.angel-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 136, 221, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

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

.angel-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.angel-item p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.angel-advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.advantage-card {
  background: linear-gradient(135deg, rgba(0, 136, 221, 0.05), rgba(164, 214, 94, 0.03));
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  text-align: center;
  transition: all var(--transition-base);
}

.advantage-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 136, 221, 0.15);
}

.advantage-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.advantage-icon svg {
  width: 32px;
  height: 32px;
}

.advantage-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.advantage-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.angel-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
}

.angel-cta p {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.contact {
  background: linear-gradient(135deg, #0B0F14 0%, #151B23 100%);
  border-top: 1px solid var(--color-border-subtle);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.contact-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  font-size: 1.0625rem;
}

.contact-description strong {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-differentials {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.differential-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-base);
}

.differential-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.differential-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 136, 221, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

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

.differential-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.differential-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
}

.contact-detail svg {
  color: var(--color-primary);
}

.contact-nda {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(0, 217, 255, 0.05);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.contact-nda svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.contact-form-wrapper {
  background: var(--color-bg-subtle);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.875rem;
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239BA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 20px;
  padding-right: 3rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 136, 221, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  height: 60px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer-brand .logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  color: var(--color-text-dim);
  margin-top: 0.5rem;
  font-size: 0.9375rem;
}

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

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

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-bg);
  transform: translateY(-2px);
}

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

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
}

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

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
  }
  
  .hero-visual {
    display: none;
  }
  
  .value-grid,
  .platform-cards,
  .commercial-grid {
    grid-template-columns: 1fr;
  }
  
  .platform-card-large {
    grid-column: span 1;
  }
  
  .platform-features {
    grid-template-columns: 1fr;
  }
  
  .ai-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .heimdall-diagram {
    height: 400px;
  }
  
  .client-node,
  .backend-node {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .gateway-box {
    padding: var(--spacing-sm);
  }
  
  .gateway-features {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .agent-diagram {
    height: 450px;
  }
  
  .agent-brain {
    min-width: auto;
    width: 100%;
  }
  
  .agent-input,
  .agent-action {
    font-size: 0.8125rem;
    padding: 0.5rem 0.75rem;
  }
  
  .billing-diagram {
    height: 380px;
  }
  
  .billing-box {
    padding: var(--spacing-sm);
  }
  
  .billing-module,
  .billing-integration {
    font-size: 0.8125rem;
    padding: 0.625rem 1rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    z-index: 999;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    overflow-x: hidden;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-dropdown {
    width: 100%;
    display: flex;
    flex-direction: column;
  }
  
  .nav-menu > .nav-link,
  .nav-menu > .nav-link-cta {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .nav-dropdown-content {
    position: static !important;
    display: none !important;
    width: 100%;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0.5rem 0 0 1rem;
    margin-top: 0.5rem !important;
  }
  
  .nav-dropdown.active .nav-dropdown-content {
    display: block !important;
  }
  
  .nav-dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
  }
  
  .nav-dropdown-content a:hover {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    background: rgba(0, 255, 136, 0.05);
  }
  
  .nav-link {
    font-size: 1rem;
    padding: 0.5rem 0;
    width: 100%;
    color: var(--color-text) !important;
    display: block !important;
  }
  
  .nav-link::after {
    display: none !important;
  }
  
  .nav-dropdown > .nav-link {
    position: relative;
  }
  
  .nav-dropdown > .nav-link::after {
    content: ' ▼';
    font-size: 0.7rem;
    margin-left: 0.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
  }
  
  .nav-dropdown.active > .nav-link::after {
    transform: rotate(180deg);
  }
  
  .nav-link-cta {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-container {
    padding: 0.75rem var(--spacing-sm);
  }
  
  .nav-logo .logo-image {
    height: 36px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .lang-switch {
    width: 100%;
    justify-content: center;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .platform-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .heimdall-logo {
    width: 32px;
    height: 32px;
  }
  
  .platform-features {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .feature-item {
    padding: var(--spacing-sm);
  }
  
  .cases-scroll {
    padding: var(--spacing-md) var(--spacing-sm);
    gap: 1rem;
    scroll-snap-type: x mandatory;
  }
  
  .case-card {
    flex: 0 0 85vw;
    min-width: 85vw;
    max-width: 85vw;
  }
  
  .partners-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .case-tag {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .case-tag svg {
    width: 14px;
    height: 14px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .platform-specs {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-dot {
    width: 40px;
    height: 40px;
  }
  
  .architecture-diagram {
    max-width: 100%;
    overflow-x: auto;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-subtitle {
    font-size: 0.9375rem;
  }
}

@media (max-width: 480px) {
  .nav-link:not(.nav-link-cta) {
    display: none;
  }
  
  .nav-link-cta {
    padding: 0.5rem 1rem;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
    text-align: center;
  }
  
  .case-card {
    flex: 0 0 min(280px, calc(100vw - 2rem));
  }
  
  .case-title {
    font-size: 1.25rem;
  }
  
  .case-description {
    font-size: 0.875rem;
  }
  
  .feature-item strong {
    font-size: 0.875rem;
  }
  
  .feature-item {
    font-size: 0.8125rem;
  }
}