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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.6;
}

.landing-container {
  max-width: 100%;
}

/* Top Navigation */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e0e0e0;
  z-index: 1000;
  padding: 1rem 2rem;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #1a1a1a;
  font-size: 1.1rem;
}

.nav-logo img {
  opacity: 0.9;
}

.nav-auth-link {
  padding: 0.5rem 1.5rem;
  background: transparent;
  color: #1a1a1a;
  text-decoration: none;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-auth-link:hover {
  border-color: #1a1a1a;
  background: #fafafa;
}

/* Hero Section - Typeform-inspired minimal */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
}

.logo-mark {
  margin-bottom: 2rem;
  opacity: 0.8;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  color: #666;
  margin-bottom: 3rem;
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-primary,
.cta-secondary {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 160px;
}

.cta-primary {
  background: #1a1a1a;
  color: white;
}

.cta-primary:hover {
  background: #333;
  transform: translateY(-1px);
}

.cta-secondary {
  background: transparent;
  color: #1a1a1a;
  border: 1.5px solid #e0e0e0;
}

.cta-secondary:hover {
  border-color: #1a1a1a;
  transform: translateY(-1px);
}

/* Interactive Prompt - Typeform-like */
.interactive-prompt {
  padding: 6rem 2rem;
  background: #fafafa;
  text-align: center;
}

.prompt-content {
  max-width: 600px;
  margin: 0 auto;
}

.prompt-question {
  font-size: 2rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 2rem;
}

.prompt-input-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.prompt-input {
  flex: 1;
  min-width: 300px;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease;
}

.prompt-input:focus {
  border-color: #1a1a1a;
}

.prompt-button {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  background: #1a1a1a;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.prompt-button:hover {
  background: #333;
  transform: translateY(-1px);
}

/* Examples Section */
.examples {
  padding: 6rem 2rem;
  background: white;
  text-align: center;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 3rem;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.example-card {
  background: #fafafa;
  padding: 2.5rem 2rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  border: 1px solid transparent;
}

.example-card:hover {
  background: white;
  border-color: #e0e0e0;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.example-duration {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #1a1a1a;
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.example-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.example-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 2rem;
  background: #fafafa;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  background: #1a1a1a;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 auto 1.5rem auto;
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.step p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  background: white;
  color: #666;
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid #e0e0e0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .landing-nav {
    padding: 0.75rem 1.5rem;
  }
  
  .nav-logo span {
    font-size: 1rem;
  }
  
  .nav-auth-link {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero {
    padding: 5rem 1.5rem 3rem 1.5rem;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
  }
  
  .prompt-question {
    font-size: 1.5rem;
  }
  
  .prompt-input-group {
    flex-direction: column;
  }
  
  .prompt-input,
  .prompt-button {
    width: 100%;
    min-width: 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .example-grid,
  .steps {
    grid-template-columns: 1fr;
  }
  
  .interactive-prompt,
  .examples,
  .how-it-works {
    padding: 4rem 1.5rem;
  }
}