/* ==========================================================================
   NEMOTOO.COM Global Stylesheet
   ========================================================================== */

/* Design Tokens (CSS Variables) */
:root {
  /* Color Palette */
  --bg-primary: #07070a;
  --bg-secondary: #0f1016;
  --card-bg: rgba(20, 22, 30, 0.5);
  --card-border: rgba(255, 255, 255, 0.06);
  --card-border-hover: rgba(0, 242, 254, 0.2);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  /* Brand Colors & Gradients */
  --color-cyan: #00f2fe;
  --color-indigo: #4facfe;
  --color-purple: #8b5cf6;
  --grad-primary: linear-gradient(135deg, var(--color-indigo) 0%, var(--color-cyan) 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  --grad-accent: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
  --grad-dark-card: linear-gradient(145deg, rgba(20,22,30,0.85) 0%, rgba(10,11,15,0.95) 100%);
  
  /* Layout & Spacing */
  --max-width: 1280px;
  --header-height: 80px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  /* Typography */
  --font-display: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
  --font-body: 'Inter', 'Noto Sans KR', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Global Elements */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  outline: none;
  color: inherit;
}

/* Scroll Progress Bar */
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--grad-primary);
  z-index: 1000;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Header Styles */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 990;
  border-bottom: 1px solid var(--card-border);
  background: rgba(7, 7, 10, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

#main-header.scrolled {
  background: rgba(7, 7, 10, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.8rem;
  display: inline-block;
}

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

/* Navigation */
#main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-item {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: width var(--transition-normal);
}

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

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Language Dropdown Switcher */
.lang-dropdown-wrapper {
  position: relative;
  display: inline-block;
}

.lang-drop-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.lang-drop-btn:hover,
.lang-dropdown-wrapper.open .lang-drop-btn {
  border-color: var(--card-border-hover);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.lang-drop-btn .lang-icon {
  width: 14px;
  height: 14px;
  color: var(--color-cyan);
}

.lang-drop-btn .chevron-icon {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.lang-dropdown-wrapper.open .chevron-icon {
  transform: rotate(180deg);
}

.lang-dropdown-list {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 140px;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  padding: 6px 0;
  z-index: 1000;
  opacity: 0;
  transform: translateY(-10px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.2s var(--transition-fast), transform 0.2s var(--transition-fast);
  transform-origin: top right;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lang-dropdown-wrapper.open .lang-dropdown-list {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lang-dropdown-item {
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.lang-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-cyan);
}

.lang-dropdown-item.active {
  color: var(--color-cyan);
  font-weight: 700;
  background: rgba(0, 242, 254, 0.05);
}

/* Header CTA Button */
.cta-button-header {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  background: var(--grad-primary);
  box-shadow: 0 4px 20px rgba(79, 172, 254, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-button-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(79, 172, 254, 0.5);
}

/* Base Layout Structure for Main Sections */
section {
  padding: 120px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

/* Base Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--grad-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 24px rgba(79, 172, 254, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 172, 254, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid rgba(0, 242, 254, 0.15);
  border-radius: 100px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-cyan);
  animation: pulse-glow 2s infinite;
}

.badge-text {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--color-cyan);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-title span {
  display: block;
}

.hero-title .line-1 {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .line-2 {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
}

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

/* Hero Visual */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-glow {
  position: absolute;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-image-card {
  position: relative;
  z-index: 2;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-slow), border-color var(--transition-normal);
}

.hero-image-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 50%, rgba(0, 242, 254, 0.15) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-image-card:hover {
  transform: translateY(-8px) rotateY(-3deg) rotateX(3deg);
  border-color: rgba(0, 242, 254, 0.3);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Animations */
@keyframes pulse-glow {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(0, 242, 254, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0);
  }
}

/* Section Header */
.section-header {
  margin-bottom: 60px;
  max-width: 800px;
}

.section-header.center-align {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-tagline {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--color-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--grad-dark-card);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 40px;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.about-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.about-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--border-radius-sm);
  background: rgba(79, 172, 254, 0.1);
  border: 1px solid rgba(79, 172, 254, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-icon {
  width: 24px;
  height: 24px;
  color: var(--color-indigo);
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.service-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.purple-glow .service-icon-box {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.cyan-glow .service-icon-box {
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.service-main-icon {
  width: 28px;
  height: 28px;
}

.purple-glow .service-main-icon {
  color: var(--color-purple);
}

.cyan-glow .service-main-icon {
  color: var(--color-cyan);
}

.service-badge-label {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.purple-glow .service-badge-label {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
}

.cyan-glow .service-badge-label {
  background: rgba(0, 242, 254, 0.15);
  color: var(--color-cyan);
}

.service-card-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.service-card-desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.purple-glow .check-icon {
  color: var(--color-purple);
}

.cyan-glow .check-icon {
  color: var(--color-cyan);
}

/* Specific glows on hover */
.service-card.purple-glow:hover {
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 10px 40px rgba(139, 92, 246, 0.15);
}

.service-card.cyan-glow:hover {
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 10px 40px rgba(0, 242, 254, 0.15);
}

/* Demo Section */
.demo-grid-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: stretch;
}

.demo-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-controls h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.controls-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.query-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 10px;
}

.query-btn {
  text-align: left;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.query-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(4px);
}

.query-btn.active {
  background: rgba(0, 242, 254, 0.04);
  border-color: var(--color-cyan);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.1);
}

/* Visualizer Dashboard */
.demo-visualizer {
  display: flex;
  flex-direction: column;
}

.visualizer-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--card-border);
}

.vis-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.vis-dot.green {
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-dot 1.5s infinite;
}

.vis-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.visual-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.flow-step {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.step-box {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-normal);
}

.query-box {
  border-color: var(--color-cyan);
  background: rgba(0, 242, 254, 0.02);
}

.query-box i {
  color: var(--color-cyan);
}

.flow-step-dual {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 480px;
}

.db-box {
  border-color: rgba(255, 255, 255, 0.1);
  padding: 14px 16px;
  font-size: 0.85rem;
  width: 50%;
}

.db-box.active {
  border-color: var(--color-purple);
  background: rgba(139, 92, 246, 0.04);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.1);
}

.db-box.active i {
  color: var(--color-purple);
}

.synthesis-box {
  border-color: var(--color-indigo);
  background: rgba(79, 172, 254, 0.03);
  align-items: flex-start;
  min-height: 80px;
}

.synthesis-box i {
  color: var(--color-indigo);
  margin-top: 4px;
}

.synthesis-box p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.flow-line-vertical {
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-cyan) 0%, rgba(255,255,255,0.05) 50%, var(--color-purple) 100%);
  position: relative;
  overflow: hidden;
}

.flow-line-vertical::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent, #ffffff, transparent);
  animation: flow-pulse 2s infinite linear;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-panel h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-item {
  display: flex;
  gap: 16px;
}

.info-icon {
  width: 24px;
  height: 24px;
  color: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.info-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.email-link {
  transition: color var(--transition-fast);
}

.email-link:hover {
  color: var(--color-cyan);
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input, 
.form-group textarea, 
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
  border-color: var(--color-cyan);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.1);
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-submit-btn {
  width: 100%;
  margin-top: 10px;
}

/* Footer Styling */
#main-footer {
  border-top: 1px solid var(--card-border);
  background-color: var(--bg-secondary);
  padding: 80px 24px 40px;
  margin-top: 60px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand {
  max-width: 320px;
}

.brand-slogan {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 80px;
}

.link-group h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.link-group ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-group a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.link-group a:hover {
  color: var(--color-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-meta-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-meta-links .divider {
  opacity: 0.3;
}

.footer-meta-links a:hover {
  color: var(--text-secondary);
}

/* More Keyframes */
@keyframes pulse-dot {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.6;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes flow-pulse {
  0% {
    top: -100%;
  }
  100% {
    top: 100%;
  }
}

.spin-icon {
  animation: spin 3s infinite linear;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.pulse-icon {
  animation: pulse-icon-anim 2s infinite ease-in-out;
}

@keyframes pulse-icon-anim {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Mobile Menu Button style (Hidden by default) */
.mobile-menu-btn {
  display: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.5rem;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 4px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-description {
    max-width: 100%;
  }
  
  .hero-visual-wrapper {
    max-width: 480px;
    margin: 0 auto;
  }
  
  .demo-grid-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 16px;
  }
  
  #main-header {
    height: 70px;
  }
  
  .mobile-menu-btn {
    display: inline-flex;
  }
  
  #main-nav {
    position: fixed;
    top: 70px;
    left: 100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(7, 7, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 999;
    transition: left var(--transition-normal);
  }
  
  #main-nav.open {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
  
  .nav-item {
    font-size: 1.5rem;
  }
  
  .header-actions .cta-button-header {
    display: none; /* Hide top CTA in mobile header to save space, but show in main layout */
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
  }
  
  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }
  
  .link-group {
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .flow-step-dual {
    flex-direction: column;
    gap: 16px;
  }
  
  .db-box {
    width: 100%;
  }
}