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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #1C1C24;
  color: #E0E0E0;
  line-height: 1.6;
}

a {
  color: #33A659;
}

/* Header */
.header {
  text-align: center;
  padding: 3rem 1rem 0;
}

.header img {
  max-width: 192px;
  height: auto;
  margin-bottom: 1.5rem;
  border: 1px solid #3A3A4A;
  border-radius: 16px;
}

.header h1 {
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: #33A659;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.header .tagline {
  font-size: 1.15rem;
  color: #C0C0D0;
  font-weight: 500;
}

/* Hero */
.hero {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
  text-align: center;
}

.hero-text {
  font-size: 1.1rem;
  color: #B0B0C0;
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-size: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
  font-weight: 600;
}

.btn-primary {
  background-color: #33A659;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #2B8F4C;
}

.btn-secondary {
  background-color: transparent;
  color: #33A659;
  border: 2px solid #33A659;
}

.btn-secondary:hover {
  background-color: #33A659;
  color: #FFFFFF;
}

/* Demo Video */
.demo-video {
  max-width: 800px;
  margin: 2.5rem auto 0;
  padding: 0 1rem;
  text-align: center;
}

.demo-video video {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  object-fit: cover;
}

/* Gallery */
.gallery {
  max-width: 800px;
  margin: 2.5rem auto 0;
  overflow: hidden;
  position: relative;
}

.gallery-track {
  display: flex;
  transition: transform 0.4s ease;
  cursor: grab;
  user-select: none;
}

.gallery-track:active {
  cursor: grabbing;
}

.gallery-slide {
  min-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 1rem;
}

.gallery-slide img {
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-bottom: 0.5rem;
}

.gallery-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: #3A3A4A;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.gallery-dots button.active {
  background: #33A659;
}

.gallery-dots button:hover {
  background: #5A5A6A;
}

/* Divider */
.divider {
  width: 60px;
  height: 2px;
  background: #3A3A4A;
  margin: 3rem auto;
}

.header-divider {
  margin: 1.5rem auto 2rem;
}

/* Sections */
.how-it-works,
.features,
.compatibility,
.whats-included,
.pricing,
.faq,
.contact-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h2 {
  font-size: 1.5rem;
  color: #33A659;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: #8A8A9A;
  margin-bottom: 2rem;
}

/* How it works */
.steps {
  display: grid;
  gap: 2rem;
}

.step h3 {
  font-size: 1.15rem;
  color: #E0E0E0;
  margin-bottom: 0.5rem;
}

.step p {
  color: #B0B0C0;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature h3 {
  font-size: 1rem;
  color: #E0E0E0;
  margin-bottom: 0.4rem;
}

.feature p {
  color: #8A8A9A;
  font-size: 0.95rem;
}

/* Compatibility */
.compat-list {
  margin-bottom: 1rem;
}

.compat-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid #2A2A34;
  color: #B0B0C0;
  font-size: 0.95rem;
}

.compat-item strong {
  color: #E0E0E0;
}

.compat-note {
  color: #8A8A9A;
  font-style: italic;
  text-align: center;
  margin-top: 1rem;
}

/* What's included */
.included-list {
  list-style: none;
  padding: 0;
}

.included-list li {
  padding: 0.5rem 0;
  color: #B0B0C0;
}

.included-list li strong {
  color: #E0E0E0;
}

.included-note {
  color: #8A8A9A;
  font-size: 0.9rem;
  margin-top: 1rem;
  text-align: center;
}

/* Pricing */
.pricing {
  text-align: center;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  color: #E0E0E0;
  margin-bottom: 0.5rem;
}

.price-note {
  font-size: 1rem;
  font-weight: 400;
  color: #8A8A9A;
}

.pricing .cta-buttons {
  margin: 1.5rem 0;
}

.requirements {
  color: #6A6A7A;
  font-size: 0.85rem;
  margin-top: 1rem;
}

/* FAQ */
.faq-item {
  margin-bottom: 1.5rem;
}

.faq-item h3 {
  font-size: 1rem;
  color: #E0E0E0;
  margin-bottom: 0.3rem;
}

.faq-item p {
  color: #8A8A9A;
}

/* Contact form */
.contact-section h2 {
  margin-bottom: 1.5rem;
}

.contact-form {
  max-width: 500px;
  margin: 0 auto;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #3A3A4A;
  border-radius: 4px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.95rem;
  background: #2A2A34;
  color: #E0E0E0;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #6A6A7A;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #33A659;
}

.contact-form textarea {
  resize: vertical;
}

.btn-wrap {
  text-align: center;
  margin-top: 1rem;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  border-top: 1px solid #3A3A4A;
  margin-top: 2rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.footer-links a {
  color: #8A8A9A;
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #33A659;
}

.footer .copyright {
  font-size: 0.8rem;
  color: #6A6A7A;
}

.footer .disclaimer {
  font-size: 0.75rem;
  color: #4A4A5A;
  max-width: 600px;
  margin: 0.75rem auto 0;
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 600px) {
  .header h1 {
    font-size: 1.6rem;
  }

  .header img {
    max-width: 150px;
  }

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

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

  .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
}