/* CSS Variables - Dark Theme */
:root {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a25;
  --color-surface: #1e1e2a;
  --color-border: #2a2a3a;
  --color-text: #e8e8ed;
  --color-text-muted: #8888a0;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-accent: #22d3ee;
  --color-accent-secondary: #f472b6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.site-header .btn-primary {
  background: linear-gradient(135deg, #818cf8 0%, #38bdf8 100%);
  color: #0a0a0f;
  text-shadow: none;
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.4);
  color: white;
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.1rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

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

.logo-icon {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-list a {
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition);
}

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-glow);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  margin-bottom: 1.5rem;
}

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

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Section Styles */
section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header .overline {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

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

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

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 12px;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  margin-bottom: 0.75rem;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

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

/* Case Studies */
.case-study-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.case-study-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.case-study-content {
  padding: 1.5rem;
}

.case-study-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-tertiary);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--color-primary-light);
  margin-bottom: 1rem;
}

.case-study-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.case-study-stat {
  text-align: left;
}

.case-study-stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--color-accent);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition);
}

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

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.blog-category {
  color: var(--color-primary-light);
}

/* Clients Section */
.clients-section {
  background: var(--color-bg-secondary);
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  opacity: 0.6;
}

.clients-grid img {
  height: 40px;
  filter: grayscale(100%) brightness(200%);
}

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

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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='0.05'%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");
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2,
.cta-section p {
  color: white;
}

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

.cta-section .btn:hover {
  background: var(--color-bg);
  color: white;
}

/* Footer */
.site-footer {
  background: var(--color-bg-secondary);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.875rem;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

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

.footer-contact p {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

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

/* Page Header */
.page-header {
  padding: 10rem 0 4rem;
  background: var(--color-bg-secondary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: var(--gradient-glow);
  pointer-events: none;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header .overline {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

/* About Page */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  border-radius: 16px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.value-card {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.value-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: 1rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.team-card {
  text-align: center;
}

.team-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 1rem;
}

.team-card h4 {
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--color-primary-light);
  font-size: 0.875rem;
}

/* Careers Page */
.career-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.benefit-card {
  text-align: center;
  padding: 2rem;
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.job-listing {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition);
}

.job-listing:hover {
  border-color: var(--color-primary);
}

.job-info h3 {
  margin-bottom: 0.5rem;
}

.job-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.job-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Blog Post */
.blog-post {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.blog-post-header {
  margin-bottom: 3rem;
}

.blog-post-header img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 2rem;
}

.blog-post-content {
  font-size: 1.125rem;
  line-height: 1.8;
}

.blog-post-content p {
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.blog-post-content h2 {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

.blog-post-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.blog-post-content li {
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.blog-post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

/* Case Study Detail */
.case-study-detail {
  padding: 2rem 0 4rem;
}

.case-study-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.case-study-hero img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
}

.case-study-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem;
  background: var(--color-surface);
  border-radius: 16px;
  margin: 3rem 0;
}

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

.result-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
}

.result-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color var(--transition);
}

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

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
}

.features-image img {
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: 8px;
  color: white;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .nav-list {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    gap: 1rem;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav-list.active {
    transform: translateX(0);
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .case-study-hero {
    grid-template-columns: 1fr;
  }

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

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

  .career-benefits {
    grid-template-columns: 1fr;
  }

  .job-listing {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

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

  .case-study-results {
    grid-template-columns: 1fr;
  }
}