:root {
  --primary: #000000;
  --primary-light: #161618;
  --accent: #ff4d00;
  --accent-soft: #dbeafe;
  --text: #334155;
  --text-muted: #64748b;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e2e8f0;
  --white: #ffffff;
  
  --wf-space-xs: 8px;
  --wf-space-sm: 16px;
  --wf-space-md: 24px;
  --wf-space-lg: 32px;
  --wf-space-xl: 64px;
  --wf-space-2xl: 96px;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  color: var(--primary);
  line-height: 1.1;
  margin: 0;
  font-weight: 900;
}

p {
  margin: 0 0 var(--wf-space-sm);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* Navbar */
.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: var(--wf-space-2xl) 0;
  background: radial-gradient(circle at top right, var(--accent-soft), transparent 40%),
              radial-gradient(circle at bottom left, #f1f5f9, transparent 40%);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--wf-space-xl);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--wf-space-md);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: var(--wf-space-lg);
}

.hero-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--wf-space-lg) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hero-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.hero-list li .placeholder-icon {
  width: 20px;
  height: 20px;
  background: var(--accent-soft);
  border-radius: 50%;
  flex-shrink: 0;
}

.btn {
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.hero-visual {
  position: relative;
}

.visual-box {
  width: 100%;
  aspect-ratio: 1;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 40px 80px rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
}

/* Logos Section */
.logos-section {
  padding: var(--wf-space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.logos-header {
  text-align: center;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--wf-space-md);
}

.logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--wf-space-xl);
  opacity: 0.6;
}

.logo-item {
  height: 30px;
  width: 120px;
}

/* Stats Section */
.stats {
  padding: var(--wf-space-xl) 0;
  background: var(--bg-soft);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--wf-space-md);
}

.stat-card {
  text-align: center;
  padding: var(--wf-space-lg);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Services Section */
.services {
  padding: var(--wf-space-2xl) 0;
}

.section-header {
  max-width: 800px;
  margin-bottom: var(--wf-space-xl);
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: var(--wf-space-sm);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--wf-space-md);
}

.service-card {
  padding: var(--wf-space-lg);
  background: white;
  border-radius: 0;
  border: 1px solid var(--border);
  transition: all 0.3s;
  height: 100%;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--wf-space-md);
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--wf-space-sm);
}

.service-card ul {
  list-style: none;
  padding: 0;
  margin: var(--wf-space-md) 0 0 0;
}

.service-card li {
  font-size: 0.9rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.service-card li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* CTA Section */
.cta-banner {
  padding: var(--wf-space-2xl) 0;
  background: var(--primary-light);
  color: white;
  border-radius: var(--radius-xl);
  margin: var(--wf-space-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: var(--wf-space-md);
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto var(--wf-space-lg);
}

/* Tech Stack */
.tech-stack {
  padding: var(--wf-space-2xl) 0;
  background: var(--bg-soft);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--wf-space-lg);
}

.tech-cat h4 {
  margin-bottom: var(--wf-space-md);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 12px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Solutions / Industries */
.industries {
  padding: var(--wf-space-2xl) 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--wf-space-sm);
}

.industry-item {
  padding: var(--wf-space-md);
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 600;
  transition: all 0.3s;
}

.industry-item:hover {
  background: var(--accent);
  color: white;
}

/* Case Studies */
.case-studies {
  padding: var(--wf-space-2xl) 0;
}

.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--wf-space-xl);
  align-items: center;
  margin-bottom: var(--wf-space-xl);
  padding: var(--wf-space-lg);
  background: var(--bg-soft);
  border-radius: var(--radius-xl);
}

.case-image {
  width: 100%;
  height: 350px;
  background: #cbd5e1;
  border-radius: var(--radius-lg);
}

.case-content h3 {
  font-size: 1.75rem;
  margin-bottom: var(--wf-space-md);
}

.case-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--wf-space-sm);
}

/* FAQ */
.faq {
  padding: var(--wf-space-2xl) 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: var(--wf-space-md) 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Footer */
footer {
  padding: var(--wf-space-2xl) 0 var(--wf-space-lg);
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--wf-space-xl);
}

.footer-col h4 {
  margin-bottom: var(--wf-space-md);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
}

.placeholder-image {
  background: #e2e8f0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Dashboard UI Element */
.dashboard-ui {
  background: #000;
  border-radius: var(--radius-lg);
  padding: var(--wf-space-md);
  color: #fff;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 12px;
  border: 1px solid #333;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.ui-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid #222;
  padding-bottom: 10px;
}

.ui-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.ui-node {
  background: #111;
  padding: 10px;
  border-left: 2px solid var(--accent);
}

.status-pulse {
  width: 8px;
  height: 8px;
  background: #0f0;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.3; }
  100% { opacity: 1; }
}

/* Problem Section */
.problem-section {
  background: #000;
  color: #fff;
  padding: var(--wf-space-2xl) 0;
}

.problem-section h2, .problem-section h3 {
  color: #fff;
}

.stat-box {
  border-top: 1px solid #333;
  padding-top: 20px;
}

.stat-box h4 {
  color: var(--accent);
  font-size: 2rem;
  margin-bottom: 5px;
}

.stat-box p {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Execution Framework */
.step-card {
  padding: var(--wf-space-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: var(--wf-space-lg);
  align-items: flex-start;
}

.step-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.5;
}

.badge-status {
  display: inline-block;
  padding: 2px 8px;
  background: #e2e8f0;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: #475569;
}

.badge-status.success {
  background: #dcfce7;
  color: #166534;
}

@media (max-width: 1024px) {
  .hero-grid, .stats-grid, .services-grid, .tech-grid, .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .case-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-grid, .stats-grid, .services-grid, .tech-grid, .footer-grid, .industry-grid {
    grid-template-columns: 1fr;
  }
  .hero-list {
    grid-template-columns: 1fr;
  }
}