@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --dark-bg: #0a0a0a;
  --light-bg: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glow: 0 0 20px rgba(102, 126, 234, 0.5);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--text-primary);
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

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

section {
  padding: 120px 0;
  min-height: auto;
  display: block;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: #0a0a0a;
}

header.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  max-width: 1440px;
  margin: 0 auto;
}

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

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  position: relative;
  transition: all 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

/* Hero Section */
#hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 200px 0 150px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="30" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="70" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  animation: float 20s ease-in-out infinite;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-shadow: var(--glow);
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from { text-shadow: var(--glow); }
  to { text-shadow: 0 0 30px rgba(102, 126, 234, 0.8); }
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
  color: var(--text-primary);
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(240, 147, 251, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(240, 147, 251, 0); }
  100% { box-shadow: 0 0 0 0 rgba(240, 147, 251, 0); }
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(240, 147, 251, 0.4);
}

/* Feature Cards */
#features {
  background: var(--dark-bg);
  h2{
    text-align: center;
    color: var(--primary-color);
  }
}

.features-container h2,
.pricing-container h2,
.steps-container h2,
.testimonials-container h2,
.faq-container h2,
.contact-container h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
  text-align: center;
  color: var(--primary-color);
  font-weight: 700;
}

.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.feature-description {
  opacity: 0.8;
}

/* Pricing Section */
#pricing {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--dark-bg) 100%);
  padding: 140px 0;
}

.pricing-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
  text-align: center;
}

.section-subtitle {
  font-size: 1.2rem;
  opacity: 0.8;
  margin-bottom: 60px;
  text-align: center;
  color: var(--text-primary);
}

.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  margin-bottom: 80px;
}

.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 25px;
  padding: 50px 40px;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--glow);
}

.pricing-card.popular {
  border-color: var(--accent-color);
  box-shadow: 0 0 30px rgba(240, 147, 251, 0.3);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
  color: var(--text-primary);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.pricing-header h3 {
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: var(--primary-color);
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 15px;
}

.currency {
  font-size: 1.8rem;
  color: var(--accent-color);
}

.amount {
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent-color);
  margin: 0 5px;
}

.period {
  font-size: 1.2rem;
  opacity: 0.8;
  margin-left: 5px;
}

.pricing-header p {
  opacity: 0.8;
  margin-bottom: 35px;
  font-size: 1.1rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 40px;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 18px;
  padding-left: 30px;
  position: relative;
  font-size: 1.1rem;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background: var(--primary-color);
  border-radius: 50%;
}

.pricing-btn {
  width: 100%;
  padding: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pricing-btn:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.pricing-btn.primary {
  background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
  border: none;
}

.pricing-calculator {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 25px;
  padding: 50px 60px;
  box-shadow: var(--shadow);
  max-width: 800px;
  margin: 0 auto;
}

.pricing-calculator h3 {
  margin-bottom: 25px;
  color: var(--primary-color);
  font-size: 1.8rem;
}

.pricing-slider {
  width: 100%;
  margin: 40px 0;
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  outline: none;
  cursor: pointer;
}

.pricing-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 3px solid var(--primary-color);
  cursor: pointer;
  box-shadow: 0 0 15px rgba(102, 126, 234, 0.6);
}

.pricing-display {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 25px;
}

.pricing-breakdown {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

.breakdown-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.breakdown-item span {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* How to Use */
#how-to {
  background: var(--dark-bg);
  h2{
    text-align: center;
    color: var(--primary-color);
  }
}

.steps-container {
  display: flex;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
  gap: 30px;
}

.step-card {
  flex: 1;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  margin-top: 30px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(50px);
  box-shadow: var(--shadow);
}

.step-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.step-number {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.step-title {
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.step-description {
  opacity: 0.8;
}

/* Testimonials */
#testimonials {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 100%);
}

.testimonials-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
  position: relative;
}

.testimonial-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  font-size: 1.5rem;
  box-shadow: var(--shadow);
}

.testimonial-nav:hover {
  background: var(--primary-color);
  transform: translateY(-50%) scale(1.1);
}

.testimonial-nav.prev {
  left: -25px;
}

.testimonial-nav.next {
  right: -25px;
}

.testimonials-slider {
  display: flex;
  overflow: hidden;
  border-radius: 20px;
}

.testimonial-card {
  flex: 0 0 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 50px 40px;
  margin: 0 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  opacity: 0.7;
  transform: scale(0.95);
}

.testimonial-card.active {
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.testimonial-avatar {
  font-size: 4rem;
  margin-bottom: 20px;
}

.testimonial-text {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 25px;
  opacity: 0.9;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.testimonial-role {
  opacity: 0.7;
  margin-bottom: 15px;
}

.stars {
  color: #ffd700;
  font-size: 1.2rem;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--primary-color);
  transform: scale(1.2);
}

/* FAQ */
#faq {
  background: var(--dark-bg);
}

.faq-container {
  max-width: 1440px;
  
  margin: 0 auto;
  padding: 0 5%;
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  padding: 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.faq-answer {
  padding: 0 20px 20px;
  opacity: 0.8;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

/* Contact */
#contact {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--dark-bg) 100%);
  padding: 140px 0;
  h2{
    text-align: center;
    color: var(--primary-color);
  }
}

.contact-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 25px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 35px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.contact-item:hover {
  transform: translateX(15px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.contact-icon {
  font-size: 3.5rem;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.contact-details p {
  margin: 0;
  opacity: 0.8;
  line-height: 1.6;
  font-size: 1.1rem;
}

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 25px;
  padding: 50px 60px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 30px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--glow);
  background: rgba(255, 255, 255, 0.15);
}

.submit-btn {
  width: 100%;
  padding: 20px;
  background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
  border: none;
  border-radius: 15px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(240, 147, 251, 0.4);
}

.btn-text {
  font-weight: 600;
}

.btn-icon {
  font-size: 1.2rem;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #0a0a0a 100%);
  padding: 50px 0 20px;
  text-align: center;
}

.footer-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.footer-section h3 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

.footer-links {
  list-style: none;
}

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

.social-icons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.social-icon {
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.social-icon:hover {
  color: var(--primary-color);
  transform: translateY(-5px);
}

.copyright {
  margin-top: 40px;
  opacity: 0.7;
}

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  box-shadow: var(--shadow);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
}

#back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }

  .steps-container {
    flex-direction: column;
  }

  .pricing-tiers {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .pricing-card {
    min-height: auto;
    padding: 40px 30px;
  }

  .amount {
    font-size: 3rem;
  }

  .pricing-calculator {
    padding: 40px 30px;
    margin: 0 5%;
  }

  .testimonial-nav {
    display: none;
  }

  .testimonial-card {
    margin: 15px 0;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .contact-item {
    padding: 30px;
    gap: 20px;
  }

  .contact-icon {
    font-size: 3rem;
    width: 60px;
    height: 60px;
  }

  .contact-form {
    padding: 40px 30px;
  }

  .form-group input,
  .form-group textarea {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .submit-btn {
    padding: 18px;
    font-size: 1.1rem;
  }

  section {
    padding: 100px 0;
  }

  #pricing,
  #contact {
    padding: 100px 0;
  }
}