:root {
  --primary-color: #4f46e5;
  --secondary-color: #818cf8;
  --text-color: #1f2937;
  --light-bg: #f3f4f6;
  --white: #ffffff;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
}

/* Header & Navigation */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 2rem 0 4rem;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 50%;
  height: 100%;
  opacity: 0.1;
  z-index: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-cta {
  background: var(--white);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
}

.hero-content {
  max-width: 800px;
  margin: 4rem auto 0;
  text-align: center;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

.cta-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.2s;
}

.cta-btn:hover {
  transform: translateY(-2px);
}

.cta-btn.primary {
  background-color: var(--white);
  color: var(--primary-color);
}

.cta-btn.secondary {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

/* Features Section */
.features {
  padding: 4rem 2rem;
  background-color: var(--light-bg);
}

.features h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
}

/* Demo Section */
.demo {
  padding: 4rem 2rem;
}

.demo h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
}

.demo-container {
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Screenshots Section */
.screenshots {
  padding: 4rem 2rem;
  background-color: var(--light-bg);
}

.screenshots h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.screenshot {
  text-align: center;
}

.screenshot img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 1rem;
  transition: transform 0.3s;
}

.screenshot img:hover {
  transform: scale(1.05);
}

/* Testimonials Section */
.testimonials {
  padding: 4rem 2rem;
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.user-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
}

.user-name {
  color: var(--primary-color);
  font-weight: 500;
}

/* Waitlist Section */
.waitlist {
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
}

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

.price-tag {
  font-size: 2rem;
  font-weight: bold;
  margin: 2rem 0;
}

.waitlist-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.waitlist-form input {
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
}

.waitlist-form button {
  background: var(--white);
  color: var(--primary-color);
  border: none;
  cursor: pointer;
}

/* Footer */
footer {
  background: var(--text-color);
  color: var(--white);
  padding: 4rem 2rem 2rem;
}

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

.footer-logo {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.social-links {
  margin: 2rem 0;
}

.social-links a {
  color: var(--white);
  font-size: 1.5rem;
  margin: 0 0.5rem;
  text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-image {
    display: none;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshot-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

.hero-img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-img:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.screenshot-img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.screenshot-img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.screenshot a {
  display: block;
  position: relative;
  overflow: hidden;
}

.screenshot a::after {
  content: '🔍';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: rgba(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.screenshot a:hover::after {
  opacity: 1;
}

.avatar-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.avatar-img:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Loading animation for lazy-loaded images */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Lightbox customization */
.lb-data .lb-caption {
  font-size: 1.1rem;
  font-weight: 500;
  color: white;
}

.lb-nav a.lb-prev,
.lb-nav a.lb-next {
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.lb-nav a.lb-prev:hover,
.lb-nav a.lb-next:hover {
  opacity: 1;
}