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

:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --accent: #f6ad55;
  --text: #2d3748;
  --text-light: #718096;
  --bg: #ffffff;
  --bg-alt: #f7fafc;
}

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

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  z-index: 100;
}

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

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 6rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  flex: 1;
  max-width: 500px;
}

.hero h1 {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.tagline {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* Screenshot Gallery */
.screenshot-gallery {
  flex: 1;
  max-width: 500px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 1rem 0;
}

.screenshot-gallery::-webkit-scrollbar {
  display: none;
}

.gallery-track {
  display: flex;
  gap: 1rem;
  width: max-content;
  padding-left: 140px;
  padding-right: 140px;
}

.gallery-track img {
  flex-shrink: 0;
  width: 220px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  scroll-snap-align: center;
  user-select: none;
  -webkit-user-drag: none;
}

.screenshot-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gallery-nav {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.gallery-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: #cbd5e0;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.gallery-dot:hover {
  background: #a0aec0;
}

.gallery-dot.active {
  background: var(--primary);
}

.siri-callout {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #5e5ce6, #bf5af2);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 24px;
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.siri-icon {
  font-size: 1.25rem;
}

.app-badges {
  display: flex;
  gap: 1rem;
}

.badge img {
  height: 50px;
}

/* Features */
.features {
  background: var(--bg-alt);
  padding: 5rem 2rem;
}

.features h2,
.faq h2,
.support h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 3rem;
}

.feature-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature {
  background: var(--bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.feature h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--text-light);
}

/* FAQ */
.faq {
  padding: 5rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

details {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1rem 1.5rem;
}

summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--primary);
}

details p {
  margin-top: 1rem;
  color: var(--text-light);
}

details[open] summary {
  margin-bottom: 0.5rem;
}

/* Support */
.support {
  background: var(--bg-alt);
  padding: 5rem 2rem;
  text-align: center;
}

.support p {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.support-options {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.support-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s;
}

.support-link:hover {
  background: var(--primary-light);
}

.support-link .icon {
  font-size: 1.25rem;
}

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

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

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

.footer-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: 8rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .screenshot-gallery {
    max-width: 100%;
    width: 100%;
  }

  .gallery-track img {
    width: 180px;
  }

  .app-badges {
    justify-content: center;
  }

  .nav-links {
    gap: 1rem;
  }
}