:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #b8c5d6;
  --coral: #FF6B6B;
  --mint: #4ECDC4;
  --blue: #45B7D1;
  --accent: #2C3E50;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background-color: var(--bg-secondary);
  padding: 20px 0;
  border-bottom: 1px solid #404040;
}

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

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 40px;
  height: 40px;
}

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

/* Sections */
.centered {
  text-align: center;
}

.centered .container > h2 {
  text-align: center;
}

.centered .features-grid,
.centered .process-steps,
.centered .products-grid,
.centered .benefits-grid,
.centered .use-cases-grid {
  justify-content: center;
}

.hero {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 500px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-visual {
  flex: 1;
  max-width: 500px;
}

.hero-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 12px;
  border: 2px solid var(--mint);
}

.cta-button {
  background: linear-gradient(135deg, var(--mint) 0%, var(--blue) 100%);
  color: var(--bg-primary);
  padding: 15px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(78, 205, 196, 0.3);
}

/* Features */
.features {
  padding: 80px 0;
  background-color: var(--bg-primary);
}

.features h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background-color: var(--bg-secondary);
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid #404040;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--mint);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.how-it-works h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--mint) 100%);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.step p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Products */
.products {
  padding: 80px 0;
  background-color: var(--bg-primary);
}

.products h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: var(--bg-secondary);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #404040;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--mint);
}

.product-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.product-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
  flex-grow: 1;
}

.product-card ul {
  list-style: none;
  margin-bottom: 25px;
}

.product-card li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.product-card li:before {
  content: "✓";
  color: var(--mint);
  position: absolute;
  left: 0;
}

.product-price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--mint);
  margin-bottom: 20px;
}

.product-button {
  background-color: var(--mint);
  color: var(--bg-primary);
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: auto;
}

.product-button:hover {
  background-color: #3db3a6;
  transform: translateY(-2px);
}

/* Benefits */
.benefits {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.benefits h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.benefit-item {
  background-color: var(--bg-primary);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #404040;
  transition: all 0.3s ease;
}

.benefit-item:hover {
  border-color: var(--coral);
}

.benefit-item h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.benefit-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Use Cases */
.use-cases {
  padding: 80px 0;
  background-color: var(--bg-primary);
}

.use-cases h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.use-case {
  background-color: var(--bg-secondary);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #404040;
  transition: all 0.3s ease;
}

.use-case:hover {
  transform: translateY(-5px);
  border-color: var(--blue);
}

.use-case h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.use-case p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.placeholder-image {
  width: 100%;
  height: 150px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--blue) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-weight: 600;
}

.use-case-svg {
  width: 100%;
  height: auto;
  background-color: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid #404040;
  padding: 10px;
}

/* Case Studies */
.case-studies {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.case-studies h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.case-study-card {
  background-color: var(--bg-primary);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid #404040;
  margin-bottom: 30px;
  border-left: 4px solid var(--mint);
}

.case-study-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.case-study-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

/* Contacts */
.contacts {
  padding: 80px 0;
  background-color: var(--bg-primary);
}

.contacts h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  text-align: center;
}

.contact-form-container {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-form-container p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.6;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #404040;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  padding: 60px 0 30px;
  border-top: 1px solid #404040;
}

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

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo-brand {
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-column h4 {
  color: var(--text-primary);
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: var(--mint);
}

.footer-bottom {
  border-top: 1px solid #404040;
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-secondary);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
  background-color: var(--bg-secondary);
  margin: 5% auto;
  padding: 40px;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  border: 2px solid var(--mint);
}

.close {
  color: var(--text-secondary);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close:hover {
  color: var(--coral);
}

.modal h2 {
  color: var(--text-primary);
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #404040;
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

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

form button {
  background-color: var(--mint);
  color: var(--bg-primary);
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

form button:hover {
  background-color: #3db3a6;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .hero .container {
    flex-direction: column;
    gap: 40px;
  }
  
  .hero-content,
  .hero-visual {
    max-width: 100%;
  }
  
  .hero-image {
    height: 250px;
  }
  
  .features-grid,
  .process-steps,
  .products-grid,
  .benefits-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .step {
    text-align: center;
  }

  .step-number {
    position: relative;
    margin: 0 auto 20px;
  }

  .case-studies .container {
    padding: 0 20px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  
  .footer-brand {
    max-width: 100%;
  }
}