:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #0ea5e9;
  --dark: #0f172a;
  --darker: #020617;
  --light: #f1f5f9;
  --gray: #94a3b8;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--darker);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
header {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  padding: 20px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  transition: var(--transition);
  position: relative;
}

nav ul li a:hover {
  color: var(--primary);
}

.cta {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  border: none;
  cursor: pointer;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
  top: -300px;
  left: -300px;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
  bottom: -200px;
  right: -200px;
  z-index: -1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
  background: linear-gradient(90deg, #e2e8f0, #f8fafc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.4rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.btn-secondary {
  background: transparent;
  color: var(--light);
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--primary);
  transition: var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.1);
}

/* Section Styles */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.section-header p {
  color: var(--gray);
  font-size: 1.2rem;
  max-width: 700px;
  margin: 20px auto 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  opacity: 0.1;
  transition: var(--transition);
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
  border-color: rgba(99, 102, 241, 0.3);
}

.service-card:hover::before {
  height: 100%;
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  font-size: 2rem;
}

.service-card img {
  width: 50px;
  height: 50px;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--gray);
  margin-bottom: 20px;
}

/* Features Section */
.features {
  background: rgba(15, 23, 42, 0.5);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: 20px;
  padding: 30px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.feature-card p {
  color: var(--gray);
}

/* CTA Section */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 20px;
  padding: 80px 40px;
  margin: 50px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  top: -150px;
  right: -150px;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-section p {
  color: var(--gray);
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 25px;
}

.contact-info p {
  color: var(--gray);
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.contact-methods {
  margin-bottom: 40px;
}

.contact-method {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-right: 15px;
}

.contact-text h4 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.contact-text a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

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

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

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 15px;
  border-radius: 10px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--light);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

/* Footer */
footer {
  background: rgba(15, 23, 42, 0.8);
  padding: 50px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-column h3 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary);
}

.footer-column p,
.footer-column li {
  color: var(--gray);
  margin-bottom: 15px;
  font-size: 1rem;
}

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

.footer-column ul li a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

.footer-column ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--gray);
  font-size: 0.9rem;
}

/* Chat Widget */
.chat-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1001;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.chat-toggle:hover {
  transform: scale(1.1);
}

.chat-container {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 350px;
  height: 500px;
  background: var(--darker);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: none;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.chat-container.active {
  display: flex;
}

.chat-header {
  background: rgba(15, 23, 42, 0.8);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-header h3 {
  font-size: 1.2rem;
}

.chat-close {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.message {
  max-width: 80%;
  padding: 12px 15px;
  border-radius: 18px;
  font-size: 0.9rem;
}

.user-message {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  align-self: flex-end;
  border-bottom-right-radius: 5px;
}

.bot-message {
  background: rgba(30, 41, 59, 0.8);
  align-self: flex-start;
  border-bottom-left-radius: 5px;
}

.chat-input {
  display: flex;
  padding: 15px;
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-input input {
  flex: 1;
  padding: 12px 15px;
  border-radius: 30px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--light);
  font-family: inherit;
  font-size: 1rem;
}

.chat-input input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-input button {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-left: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.chat-input button:hover {
  transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .chat-container {
    width: 300px;
    height: 400px;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 20px;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav ul li {
    margin: 5px 10px;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero h1 {
    font-size: 2.3rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-btns {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    width: 95%;
  }
  
  section {
    padding: 70px 0;
  }
  
  .hero {
    padding: 130px 0 60px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .service-card {
    padding: 30px 20px;
  }
  
  .chat-container {
    width: 280px;
    height: 350px;
    bottom: 80px;
  }
}