:root {
  --bg-primary: #0B0E14;
  --bg-surface: #151922;
  --bg-card: #1A1E29;
  --bg-elevated: #1F2433;
  --bg-hover: #252A3A;
  --text-primary: #F0F2F5;
  --text-secondary: #8B95A5;
  --text-muted: #606A7A;
  --accent-blue: #4F8DE6;
  --accent-warm: #F07040;
  --accent-blue-light: #6EA3F0;
  --accent-blue-dark: #3570C9;
  --accent-warm-dark: #D55F33;
  --border-color: #222836;
  --border-subtle: #1C2030;
  --success: #22C55E;
  --gradient-blue: linear-gradient(135deg, #4F8DE6, #6366F1);
  --gradient-warm: linear-gradient(135deg, #F07040, #EC4899);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 1200px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 14, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.main-nav.scrolled {
  background: rgba(15, 19, 27, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.main-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-blue);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-block;
  padding: 10px 24px;
  background: var(--gradient-blue);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(79, 141, 230, 0.35);
}

.nav-cta::after {
  display: none !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.hero-section {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79, 141, 230, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(240, 112, 64, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(79, 141, 230, 0.1);
  border: 1px solid rgba(79, 141, 230, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-blue-light);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% {}
}

.hero-section h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-section h1 .highlight {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section .hero-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-blue);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(79, 141, 230, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--bg-elevated);
  border-color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-card-stack {
  position: relative;
  height: 380px;
}

.hero-card {
  position: absolute;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.hero-card:nth-child(1) {
  top: 0;
  right: 40px;
  width: 300px;
  z-index: 3;
}

.hero-card:nth-child(2) {
  top: 60px;
  right: 0;
  width: 280px;
  z-index: 2;
  background: #1B2130;
}

.hero-card:nth-child(3) {
  top: 120px;
  right: 60px;
  width: 260px;
  z-index: 1;
  background: #212837;
}

.hero-card .card-icon {
  width: 48px;
  height: 48px;
  background: rgba(79, 141, 230, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.hero-card .card-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.hero-card .card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.hero-card .card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-section {
  padding: 100px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(240, 112, 64, 0.1);
  color: var(--accent-warm);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
}

.about-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.about-section .about-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-section .about-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}

.about-stats-row {
  display: flex;
  gap: 32px;
}

.about-stat {
  text-align: left;
}

.about-stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.about-visual {
  position: relative;
}

.about-visual-inner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.about-visual-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(240, 112, 64, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.about-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-feature {
  padding: 20px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.about-feature .feat-icon {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.about-feature .feat-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.about-feature .feat-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.services-section {
  padding: 100px 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(79, 141, 230, 0.1);
  color: var(--accent-blue-light);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(79, 141, 230, 0.2);
}

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

.service-card .svc-icon {
  width: 52px;
  height: 52px;
  background: rgba(79, 141, 230, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.why-section {
  padding: 100px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  transition: transform var(--transition-base);
}

.why-card:hover {
  transform: translateY(-4px);
}

.why-card .why-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: rgba(240, 112, 64, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.stats-section {
  padding: 80px 0;
  background: var(--gradient-blue);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
}

.stat-item .stat-value {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-item .stat-label-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-top: 4px;
}

.industries-section {
  padding: 100px 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.industries-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.industry-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.industry-tag:hover {
  border: 1px solid rgba(79, 141, 230, 0.3);
}

.industry-tag .tag-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  flex-shrink: 0;
}

.industry-tag span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-section {
  padding: 100px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.contact-info .contact-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.contact-detail .cd-icon {
  width: 40px;
  height: 40px;
  background: rgba(79, 141, 230, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-detail .cd-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-detail .cd-value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
}

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

.form-status {
  font-size: 0.85rem;
  margin-top: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status.error {
  display: block;
  background: rgba(240, 112, 64, 0.1);
  color: var(--accent-warm);
  border: 1px solid rgba(240, 112, 64, 0.2);
}

.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 36px;
}

.footer-brand h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-blue-light);
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--accent-blue-light);
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero-section .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .hero-section h1 {
    font-size: 2.5rem;
  }

  .services-grid,
  .why-grid,
  .industries-list {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border-color);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .hero-section {
    padding: 120px 0 60px;
  }

  .hero-section h1 {
    font-size: 2rem;
  }

  .services-grid,
  .why-grid,
  .industries-list {
    grid-template-columns: 1fr;
  }

  .stats-row {
    gap: 40px;
  }

  .stat-item .stat-value {
    font-size: 2.2rem;
  }

  .about-stats-row {
    flex-wrap: wrap;
    gap: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-section h1 {
    font-size: 1.7rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
    justify-content: center;
  }

  .about-feature-grid {
    grid-template-columns: 1fr;
  }

  .about-visual-inner {
    padding: 28px;
  }

  .hero-card-stack {
    height: auto;
  }

  .section-header h2,
  .about-section h2,
  .contact-info h2 {
    font-size: 1.6rem;
  }
}