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

:root {
  --primary-color: #ffffff;
  --secondary-color: #e0e0e0;
  --accent-color: #000000;
  --accent-2: #cccccc;
  --dark-bg: #0a0a0a;
  --card-bg: #1a1a1a;
  --border-color: #333333;
  --text-primary: #ffffff;
  --text-secondary: #999999;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.3); }
  50% { box-shadow: 0 0 40px rgba(0, 217, 255, 0.6); }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0a0a0a;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid #333333;
  z-index: 1000;
  padding: 1rem 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  animation: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 2rem;
  transition: all 0.3s ease;
  position: relative;
}

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

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

nav a:hover::after {
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--text-primary);
  color: #000000;
  box-shadow: none;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
  box-shadow: none;
}

.btn-secondary:hover {
  background-color: var(--text-primary);
  color: white;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

/* Hero Section */
.hero {
  margin-top: 60px;
  padding: 4rem 2rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: none;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  color: var(--text-primary);
  animation: none;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-subtext {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 2rem;
}

/* Problem Section */
.problem {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: #0a0a0a;
}

.problem-content {
  text-align: center;
}

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

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

.problem-card {
  background: #1a1a1a;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #333333;
  transition: all 0.3s ease;
}

.problem-card:hover {
  border-color: #555555;
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.problem-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

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

/* Solution Section */
.solution {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: #0f0f0f;
}

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

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

.solution-step {
  background: #1a1a1a;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #333333;
  text-align: center;
  transition: all 0.3s ease;
}

.solution-step:hover {
  border-color: #555555;
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.step-icon {
  width: 60px;
  height: 60px;
  background: #ffffff;
  color: #000000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 auto 1rem;
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.15);
}

.solution-step h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.solution-step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: #0a0a0a;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
  animation: none;
}

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

.feature-card {
  background: #1a1a1a;
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #333333;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  border-color: #555555;
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  background: #242424;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: none;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
  transition: all 0.3s ease;
}

.feature-card:hover h3 {
  color: #ffffff;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
  padding: 4rem 2rem;
  background: #0f0f0f;
  position: relative;
}

.pricing-content {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-content .section-title {
  margin-bottom: 3rem;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: #1a1a1a;
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #333333;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
}

.pricing-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: #555555;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pricing-card:hover {
  border-color: #666666;
  transform: translateY(-15px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  background: #242424;
}

.pricing-card:hover::after {
  opacity: 1;
}

.pricing-card.featured {
  border-color: #666666;
  transform: scale(1.05);
  background: #1f1f1f;
  box-shadow: 0 15px 40px rgba(255, 255, 255, 0.1);
}

.pricing-card.featured:hover {
  transform: scale(1.08) translateY(-15px);
}

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #333333;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.pricing-card:hover .plan-name {
  color: var(--text-primary);
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 1rem 0;
  color: var(--text-primary);
}

.plan-price span {
  font-size: 1rem;
  color: var(--text-secondary);
}

.plan-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid #333333;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.pricing-card:hover .plan-features li {
  color: #ffffff;
}

.plan-features li:before {
  content: '✓';
  color: #ffffff;
  font-weight: bold;
  margin-right: 0.75rem;
  font-size: 1.2rem;
}

.pricing-card .btn {
  width: 100%;
  text-align: center;
}

/* How It Works */
.how-it-works {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: #0a0a0a;
}

.how-it-works h2 {
  margin-bottom: 3rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  background: #1a1a1a;
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #333333;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
}

.step::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.step:hover {
  border-color: #555555;
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.step:hover::before {
  opacity: 1;
}

.step-number {
  width: 50px;
  height: 50px;
  background: #ffffff;
  color: #000000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.15);
  animation: none;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
  transition: all 0.3s ease;
}

.step:hover h3 {
  color: #ffffff;
}

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

/* CTA Section */
.cta {
  padding: 4rem 2rem;
  background: #1a1a1a;
  background-size: 300% 300%;
  animation: none;
  text-align: center;
  border-radius: 2rem;
  max-width: 800px;
  margin: 4rem auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  border: 1px solid #333333;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: white;
  position: relative;
  z-index: 1;
}

.cta p {
  font-size: 1.1rem;
  color: #999999;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

/* Footer */
footer {
  background: #0f0f0f;
  backdrop-filter: blur(20px);
  border-top: 1px solid #333333;
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-secondary);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

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

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

.footer-links a:hover::after {
  width: 100%;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  nav a {
    margin-left: 1rem;
    font-size: 0.9rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: scale(1) translateY(-15px);
  }

  .cta {
    margin: 2rem auto;
    padding: 2rem;
  }

  .footer-links {
    gap: 1rem;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
