* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0b1020;
  color: #edf2ff;
  line-height: 1.6;
}

a {
  color: #8bd3ff;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #b5e0ff;
  text-decoration: underline;
}

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* Navigation */
.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(139, 211, 255, 0.2);
}

.topnav a {
  color: #8bd3ff;
  font-weight: 500;
  padding: 5px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.topnav a:hover {
  border-bottom-color: #8bd3ff;
  text-decoration: none;
}

/* Cards */
.card {
  background: rgba(45, 85, 180, 0.1);
  border: 1px solid rgba(139, 211, 255, 0.2);
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 20px;
  transition: all 0.3s;
}

.card:hover {
  border-color: rgba(139, 211, 255, 0.4);
  background: rgba(45, 85, 180, 0.15);
}

.card.hero {
  text-align: center;
  padding: 50px 30px;
  margin-bottom: 40px;
}

.card.hero h1 {
  font-size: 2.5em;
  margin: 20px 0;
}

.card.hero p {
  font-size: 1.1em;
  margin: 15px 0;
}

/* Eyebrow */
.eyebrow {
  font-size: 0.85em;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #8bd3ff;
  margin-bottom: 10px;
}

/* Pills */
.pill {
  display: inline-block;
  background: rgba(139, 211, 255, 0.15);
  border: 1px solid rgba(139, 211, 255, 0.3);
  color: #8bd3ff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75em;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 15px;
}

/* Headings */
h1 {
  font-size: 2em;
  margin: 30px 0 20px 0;
  color: #ffffff;
}

h2 {
  font-size: 1.5em;
  margin: 25px 0 15px 0;
  color: #ffffff;
}

h3 {
  font-size: 1.2em;
  margin: 20px 0 10px 0;
  color: #ffffff;
}

/* Grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.app-card {
  background: rgba(45, 85, 180, 0.1);
  border: 1px solid rgba(139, 211, 255, 0.2);
  border-radius: 8px;
  padding: 25px;
  transition: all 0.3s;
}

.app-card:hover {
  border-color: rgba(139, 211, 255, 0.4);
  background: rgba(45, 85, 180, 0.15);
  transform: translateY(-5px);
}

.app-card h3 {
  margin-top: 0;
  color: #b5e0ff;
}

/* Buttons */
.btn {
  display: inline-block;
  background: #2d55b4;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  margin: 10px 10px 10px 0;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.btn:hover {
  background: #3d65c4;
  text-decoration: none;
  transform: translateY(-2px);
}

.btn.alt {
  background: transparent;
  border: 2px solid #8bd3ff;
  color: #8bd3ff;
}

.btn.alt:hover {
  background: rgba(139, 211, 255, 0.1);
  border-color: #b5e0ff;
  color: #b5e0ff;
}

/* Text utilities */
.muted {
  color: #a8b8e0;
  font-size: 0.95em;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  gap: 5px;
}

.link-arrow:hover {
  text-decoration: none;
  gap: 8px;
}

/* Code */
code {
  background: rgba(45, 85, 180, 0.2);
  color: #b5e0ff;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

/* Lists */
ul, ol {
  margin: 15px 0;
  padding-left: 30px;
}

li {
  margin: 8px 0;
}

/* Sections */
section {
  margin: 40px 0;
}

.apps-showcase h2 {
  text-align: center;
  margin-bottom: 30px;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 60px;
  padding: 30px 20px;
  border-top: 1px solid rgba(139, 211, 255, 0.2);
  color: #a8b8e0;
}

footer p {
  margin: 10px 0;
}

footer a {
  color: #8bd3ff;
}

/* Responsive */
@media (max-width: 768px) {
  .card.hero {
    padding: 30px 20px;
  }

  .card.hero h1 {
    font-size: 1.8em;
  }

  h1 {
    font-size: 1.5em;
  }

  h2 {
    font-size: 1.2em;
  }

  .topnav {
    gap: 10px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.9em;
    margin: 5px 5px 5px 0;
  }

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

@media (max-width: 480px) {
  main {
    padding: 10px;
  }

  .card {
    padding: 20px;
  }

  .topnav {
    flex-direction: column;
    gap: 5px;
  }

  .card.hero h1 {
    font-size: 1.4em;
  }

  h1 {
    font-size: 1.3em;
  }

  .btn {
    display: block;
    width: 100%;
    text-align: center;
    margin: 8px 0;
  }
}