/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #a594fd;
}

.nav-logo i {
  margin-right: 10px;
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #a594fd;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: #a594fd;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #a594fd 0%, #764ba2 100%);
  color: white;
  position: relative;
  overflow: hidden;
  padding-top: 70px; /* Account for fixed navbar */
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.highlight {
  background: linear-gradient(45deg, #fde694 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.4s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: #fff;
  color: #a594fd;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary i {
  margin-right: 8px;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-outline {
  background: transparent;
  color: #a594fd;
  border: 2px solid #a594fd;
}

.btn-outline:hover {
  background: #a594fd;
  color: white;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  animation: fadeInUp 1s ease 0.6s both;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: #ffd89b;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-image {
  position: relative;
  height: 400px;
  animation: fadeInRight 1s ease 0.8s both;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-weight: 500;
  animation: float 3s ease-in-out infinite;
}

.card-1 {
  top: 50px;
  right: 100px;
  animation-delay: 0s;
}

.card-2 {
  top: 180px;
  right: 50px;
  animation-delay: 1s;
}

.card-3 {
  top: 300px;
  right: 120px;
  animation-delay: 2s;
}

.floating-card i {
  font-size: 1.5rem;
  color: #a594fd;
}

/* Section Header Styles */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
}

/* Learning Platform Section */
.learning-platform {
  padding: 100px 0;
  background: #f8fafc;
}

.learning-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.learning-feature {
  background: white;
  padding: 50px 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.learning-feature:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.learning-feature .feature-icon {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #a594fd 0%, #764ba2 100%);
  border-radius: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  color: white;
  font-size: 2.5rem;
}

.learning-feature h3 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 20px;
}

.learning-feature p {
  color: #64748b;
  line-height: 1.7;
  font-size: 1.1rem;
}

/* Feedback Loop Section */
.feedback-loop {
  padding: 100px 0;
  background: white;
}

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

.feedback-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.feedback-text p {
  font-size: 1.2rem;
  color: #64748b;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.feedback-benefits {
  list-style: none;
  padding: 0;
}

.feedback-benefits li {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  font-size: 1.1rem;
  color: #1e293b;
}

.feedback-benefits i {
  color: #6366f1;
  margin-right: 15px;
  font-size: 1.2rem;
  width: 20px;
}

.feedback-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.feedback-cycle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.cycle-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #a594fd 0%, #764ba2 100%);
  color: white;
  padding: 25px 20px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(165, 148, 253, 0.3);
  transition: all 0.3s ease;
  min-width: 120px;
  position: relative;
}

.cycle-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.step-number {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-label {
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

.cycle-arrow {
  color: #a594fd;
  font-size: 1.5rem;
  animation: pulse 2s ease-in-out infinite;
}

.cycle-arrow i {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
} /* Pricing Section */
.pricing {
  padding: 100px 0;
  background: white;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: #a594fd;
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: #a594fd;
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 20px;
}

.price {
  margin-bottom: 30px;
}

.currency {
  font-size: 1.5rem;
  color: #64748b;
  vertical-align: top;
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: #1e293b;
}

.period {
  font-size: 1rem;
  color: #64748b;
}

.features-list {
  list-style: none;
  margin-bottom: 30px;
}

.features-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.features-list i {
  margin-right: 10px;
  width: 20px;
}

.fa-check {
  color: #10b981;
}

.fa-times {
  color: #ef4444;
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: #1e293b;
  color: white;
  padding: 60px 0 20px;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #a594fd;
  margin-bottom: 15px;
}

.footer-logo i {
  margin-right: 10px;
  font-size: 1.8rem;
}

.footer-section p {
  color: #94a3b8;
  margin-bottom: 20px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: #334155;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: #6366f1;
  transform: translateY(-2px);
}

.footer-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #a594fd;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  color: #94a3b8;
}

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

@keyframes dashFlow {
  0% {
    stroke-dasharray: 0 100;
    opacity: 0.3;
  }
  50% {
    stroke-dasharray: 50 50;
    opacity: 1;
  }
  100% {
    stroke-dasharray: 100 0;
    opacity: 0.3;
  }
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 15px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    height: 300px;
  }

  .floating-card {
    font-size: 0.9rem;
    padding: 15px;
  }

  .learning-features {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .learning-feature {
    padding: 40px 30px;
  }

  .feedback-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .feedback-cycle {
    flex-direction: column;
    gap: 20px;
  }

  .cycle-arrow {
    transform: rotate(90deg);
    font-size: 1.2rem;
  }

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

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

  .pricing-card.featured {
    transform: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

  .social-links {
    justify-content: center;
  }
}

@media screen and (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .feedback-text h2 {
    font-size: 2rem;
  }

  .learning-feature h3 {
    font-size: 1.5rem;
  }

  .cycle-step {
    padding: 20px 15px;
    min-width: 100px;
  }

  .step-number {
    font-size: 1.5rem;
    width: 35px;
    height: 35px;
  }

  .step-label {
    font-size: 0.9rem;
  }

  .cycle-arrow {
    font-size: 1.2rem;
  }

  .cta-content h2 {
    font-size: 2rem;
  }
}