/* Base Styles */
:root {
  --primary: #2fd8a8;
  --primary-dark: #1f9f81;
  --secondary: #ff5e5b;
  --dark: #0d1117;
  --light: #161b22;
  --gray: #8b949e;
  --light-gray: #30363d;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --white: #e6edf3;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --max-width: 1280px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--white);
  line-height: 1.6;
  background-color: var(--dark);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

button {
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  outline: none;
  font-weight: 600;
  transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--gray);
}

section {
  padding: 5rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

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

/* Navigation & Header */
header {
  background: linear-gradient(135deg, #1a1d21 0%, #0d1117 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 5;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--white);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.cta-button {
  background-color: var(--primary);
  color: var(--dark);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  background-color: var(--primary-dark);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

.nav-cta {
  font-size: 0.9rem;
}

.large {
  font-size: 1.2rem;
  padding: 1rem 2rem;
}

.secondary-button {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  backdrop-filter: blur(5px);
}

.secondary-button:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.hero {
  display: flex;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem 8rem;
  position: relative;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-image {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.highlight {
  position: relative;
  color: var(--white);
  z-index: 1;
}

.highlight::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 30%;
  background-color: var(--secondary);
  bottom: 0;
  left: 0;
  z-index: -1;
  opacity: 0.4;
}

.cta-container {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.gradient-circle {
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, rgba(99, 102, 241, 0) 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.floating-ai {
  position: absolute;
  background-color: var(--white);
  border-radius: 50%;
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow);
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

.floating-ai i {
  font-size: 3rem;
  color: var(--primary);
}

.floating-messages {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.message-bubble {
  position: absolute;
  background-color: var(--white);
  border-radius: 20px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.message-bubble:nth-child(1) {
  top: 20%;
  left: 20%;
  animation: float 4s ease-in-out infinite;
}

.message-bubble:nth-child(2) {
  top: 30%;
  right: 15%;
  animation: float 7s ease-in-out infinite;
}

.message-bubble:nth-child(3) {
  bottom: 25%;
  left: 25%;
  animation: float 5s ease-in-out infinite;
}

.message-bubble:nth-child(4) {
  bottom: 35%;
  right: 30%;
  animation: float 6s ease-in-out infinite;
}

.message-bubble:nth-child(5) {
  top: 60%;
  left: 10%;
  animation: float 4.5s ease-in-out infinite;
}

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

/* Features Section */
.features-section {
  background-color: var(--dark);
}

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

.feature-card {
  background-color: var(--light);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  color: var(--white);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

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

/* Models Section */
.models-section {
  background-color: #0a0c10;
}

.models-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.model-card {
  background-color: var(--light);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  color: var(--white);
}

.model-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.model-logo {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #1f9f81 0%, #2fd8a8 100%);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.model-logo i {
  font-size: 2rem;
  color: var(--white);
}

.models-more {
  text-align: center;
  margin-top: 2rem;
  font-style: italic;
}

/* Pricing Section */
.pricing-section {
  background-color: var(--dark);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background-color: var(--light);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  border: 1px solid var(--light-gray);
  color: var(--white);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-label {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: var(--white);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--white);
}

.period {
  font-size: 1rem;
  color: var(--gray);
  font-weight: 400;
}

.contact {
  font-size: 1.5rem;
}

.savings {
  color: var(--secondary);
  font-weight: 600;
  margin-top: 0.5rem;
}

.pricing-features {
  margin-bottom: 2rem;
}

.pricing-features li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features i {
  color: var(--primary);
  font-size: 1rem;
}

.full-width {
  width: 100%;
}

/* FAQ Section */
.faq-section {
  background-color: #0a0c10;
  margin-bottom: 100px;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
  color: var(--white);
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.2rem;
}

.faq-toggle {
  background-color: rgba(99, 102, 241, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.faq-toggle i {
  color: var(--primary);
  font-size: 0.8rem;
  transition: var(--transition);
}

.faq-answer {
  padding: 0 1.5rem 0.75rem;
  display: none;
}

.faq-answer p {
  margin-bottom: 0.75rem;
}

.faq-item.active .faq-toggle i {
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  display: block;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #171b1f 0%, #0a0c10 100%);
  color: var(--white);
  text-align: center;
  padding: 5rem 2rem;
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

.cta-note {
  font-size: 0.9rem;
  margin-top: 1rem;
  opacity: 0.8;
}

/* Footer */
footer {
  background-color: #0a0c10;
  color: var(--white);
  padding: 3rem 2rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto 2rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-column h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

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

.footer-column a {
  color: var(--light-gray);
}

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

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icons a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.social-icons i {
  color: var(--white);
  font-size: 1.2rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-bottom p {
  color: var(--light-gray);
  margin: 0;
  font-size: 0.9rem;
}

/* Responsive Designs */
@media (max-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .hero {
    flex-direction: column;
    padding-bottom: 5rem;
  }
  
  .hero-content {
    margin-bottom: 4rem;
    max-width: 100%;
  }
  
  .hero-image {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .nav-links {
    display: none;
  }
  
  section {
    padding: 4rem 1.5rem;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .cta-container {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}
