/* N6 Solutions Modern Landing Page Styles */
/* Inspired by Vercel, Stripe, Linear, Raycast, Supabase, Resend */

:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0f;
  --bg-tertiary: #111118;
  --bg-card: #0f0f16;
  --bg-card-hover: #1a1a24;
  
  /* Gradient colors */
  --gradient-cyan: #00d4ff;
  --gradient-blue: #3b82f6;
  --gradient-purple: #8b5cf6;
  
  /* Text colors */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  /* Accent colors */
  --accent-primary: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.5);
  
  /* Border colors */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-hover: rgba(255, 255, 255, 0.2);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, var(--gradient-cyan), var(--gradient-blue), var(--gradient-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.navbar {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.navbar-brand span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease;
}

.hero p {
  margin-bottom: 2rem;
  font-size: 1.25rem;
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Buttons */
.btn {
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* Section styling */
section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-normal);
  height: 100%;
}

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

.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.card p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Why N6 Section */
.why-n6 {
  background: var(--bg-secondary);
}

.why-n6-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.why-n6-item {
  text-align: center;
  padding: 2rem;
}

.why-n6-item h3 {
  margin-bottom: 0.75rem;
  color: var(--gradient-blue);
}

/* Technologies Section */
.technologies {
  background: var(--bg-tertiary);
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.tech-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem 2rem;
  font-weight: 600;
  font-size: 1.125rem;
  transition: all var(--transition-normal);
}

.tech-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* Process Section */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.process-step {
  position: relative;
  padding: 2rem;
}

.process-step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.process-step h3 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

/* Case Studies Section */
.case-studies {
  background: var(--bg-secondary);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.case-study-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.case-study-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-card));
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-study-content {
  padding: 2rem;
}

.case-study-content h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.case-study-content p {
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-study-tag {
  background: rgba(59, 130, 246, 0.1);
  color: var(--gradient-blue);
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  background: var(--bg-tertiary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  margin-bottom: 1.5rem;
}

.cta-content p {
  margin-bottom: 2rem;
  font-size: 1.25rem;
}

/* Contact Form */
.contact-section {
  background: var(--bg-secondary);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
  color: var(--text-muted);
}

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

/* Footer */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) var(--spacing-md);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 40px;
  width: auto;
}

.footer-brand span {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-section h4 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  display: block;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: color var(--transition-fast);
}

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

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

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

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* Responsive design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .services-grid,
  .why-n6-grid,
  .process-steps,
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Glassmorphism (subtle) */
.glass {
  background: rgba(15, 15, 22, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}

/* Glow effects */
.glow {
  box-shadow: 0 0 40px var(--accent-glow);
}

.glow-text {
  text-shadow: 0 0 20px var(--accent-glow);
}