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

:root {
  --primary-color: #6c5ce7;
  --primary-dark: #5a4fcf;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

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

.nav__brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav__brand:hover {
  color: var(--primary-dark);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

.nav__links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav__links a[aria-current="page"] {
  color: var(--primary-color);
}

.nav__links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
}

/* Hero Section */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4rem 2rem;
}

.hero-content {
  text-align: center;
  max-width: 600px;
}

.hero-image {
  width: 200px;
  height: 200px;
  margin: 0 auto 2rem;
  display: block;
  border-radius: 200px;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
  animation: float 3s ease-in-out infinite;
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--bg-white);
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

.appstore-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-white);
  color: var(--text-primary);
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.appstore-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background-color: #f0f0f0;
}

.appstore-button svg {
  width: 28px;
  height: 28px;
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  flex: 1;
}

.container h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.content {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  line-height: 1.8;
}

.content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.content b {
  color: var(--text-primary);
  font-weight: 600;
}

.content ul {
  margin: 1rem 0 1.5rem 2rem;
  color: var(--text-secondary);
}

.content ul li {
  margin-bottom: 0.5rem;
}

.content a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.content a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Contact Page */
.contact-content {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.contact-content > p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  text-align: center;
}

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

.contact-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--bg-light);
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.contact-item h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.contact-item p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }

  .nav__links {
    gap: 1rem;
    justify-content: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-image {
    width: 150px;
    height: 150px;
  }

  .container {
    padding: 2rem 1rem;
  }

  .content {
    padding: 1.5rem;
  }

  .container h1 {
    font-size: 2rem;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .appstore-button {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .nav__links {
    flex-direction: column;
    gap: 0.5rem;
  }
}