@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500&family=Outfit:wght@600;700&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-teal: #06b6d4;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: #1e293b;
  --success: #10b981;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lang-switch {
  display: flex;
  gap: 8px;
  margin-left: 24px;
}

.lang-btn {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-primary);
}

.nav {
  display: flex;
  gap: 40px;
}

.nav a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color 0.3s ease;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width 0.3s ease;
}

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

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(30, 41, 59, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 59, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease forwards;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  animation: fadeInUp 0.6s ease 0.6s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Hero Animation Elements */
.hero-visual {
  position: absolute;
  right: -50px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 400px;
  z-index: 1;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.bar-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 200px;
  padding: 20px;
  background: rgba(17, 24, 39, 0.8);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.bar {
  width: 40px;
  background: linear-gradient(to top, var(--accent-cyan), var(--accent-purple));
  border-radius: 8px 8px 0 0;
  animation: growBar 1.5s ease forwards;
}

.bar:nth-child(1) { height: 60%; animation-delay: 0.2s; }
.bar:nth-child(2) { height: 80%; animation-delay: 0.4s; }
.bar:nth-child(3) { height: 45%; animation-delay: 0.6s; }
.bar:nth-child(4) { height: 95%; animation-delay: 0.8s; }
.bar:nth-child(5) { height: 70%; animation-delay: 1s; }

.line-chart {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  height: 120px;
  background: rgba(17, 24, 39, 0.8);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.line-chart svg {
  width: 100%;
  height: 100%;
}

.line-chart path {
  fill: none;
  stroke: var(--accent-cyan);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: drawLine 2s ease forwards 0.5s;
}

.floating-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: float 3s ease-in-out infinite;
}

.floating-dot:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.floating-dot:nth-child(2) { top: 60%; left: 80%; animation-delay: 1s; }
.floating-dot:nth-child(3) { top: 80%; left: 30%; animation-delay: 2s; }

/* Services Section */
.services {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(124, 58, 237, 0.2));
  border-radius: 12px;
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Data Viz Section */
.data-viz {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.data-viz::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

.viz-text h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.viz-text p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.viz-features {
  list-style: none;
}

.viz-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.viz-features li::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: bold;
}

.dashboard-preview {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  position: relative;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.dashboard-title {
  font-size: 1rem;
  color: var(--text-secondary);
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
}

.dashboard-dots span:nth-child(1) { background: #ef4444; }
.dashboard-dots span:nth-child(2) { background: #eab308; }
.dashboard-dots span:nth-child(3) { background: #22c55e; }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.dashboard-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 12px;
  padding: 20px;
}

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

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.mini-chart {
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-top: 12px;
}

.mini-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent-cyan), var(--accent-purple));
  border-radius: 2px;
  animation: miniBar 1.5s ease-in-out infinite;
}

.mini-bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.mini-bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.mini-bar:nth-child(3) { height: 50%; animation-delay: 0.2s; }
.mini-bar:nth-child(4) { height: 90%; animation-delay: 0.3s; }
.mini-bar:nth-child(5) { height: 60%; animation-delay: 0.4s; }
.mini-bar:nth-child(6) { height: 80%; animation-delay: 0.5s; }
.mini-bar:nth-child(7) { height: 45%; animation-delay: 0.6s; }

/* Clients Section */
.clients {
  padding: 100px 0;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.client-card {
  background: rgba(17, 24, 39, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  min-height: 80px;
}

.client-logo {
  width: 120px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-secondary);
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s ease;
}

.client-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s ease;
  object-fit: contain;
}

.client-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.client-card:hover .client-logo {
  filter: grayscale(0%);
  opacity: 1;
  color: var(--accent-cyan);
}

.client-card:hover .client-logo-img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Contact Page */
.contact-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.contact-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.contact-hero h1 {
  font-size: 3rem;
  margin-bottom: 16px;
}

.contact-hero p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 500px;
  margin: 0 auto;
}

.contact-section {
  padding: 0 0 100px;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.contact-details {
  list-style: none;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-details .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  font-size: 1.25rem;
}

.contact-details span {
  color: var(--text-secondary);
}

.contact-form {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9375rem;
}

.form-group label .required {
  color: var(--accent-cyan);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.btn-submit {
  width: 100%;
  padding: 18px;
  font-size: 1.0625rem;
  margin-top: 8px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  max-width: 280px;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color 0.3s ease;
}

.footer-column ul a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 8px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes growBar {
  from {
    transform: scaleY(0);
    transform-origin: bottom;
  }
  to {
    transform: scaleY(1);
    transform-origin: bottom;
  }
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-20px);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes miniBar {
  0%, 100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(0.7);
  }
}

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

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
  
  .viz-content {
    grid-template-columns: 1fr;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .nav.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav a {
    font-size: 1.5rem;
  }
  
  .lang-switch {
    position: fixed;
    top: 20px;
    right: 80px;
    z-index: 1001;
  }
  
  .mobile-toggle {
    display: flex;
    z-index: 1001;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .client-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .contact-hero h1 {
    font-size: 2rem;
  }
}