/* Blub Blub Studios - Educational Design Aesthetic */
/* Muted colors, minimal distraction, purposeful design */

:root {
  /* Muted Color Palette */
  --color-primary: #5A839C;
  /* Darkened soft blue for better contrast (was #7BA8C4) */
  /* Soft blue */
  --color-primary-dark: #4A6F85;
  /* Even darker blue for headers (was #5A839C) */
  /* Darker blue for text */
  --color-secondary: #6B9876;
  /* Darkened gentle green for better contrast (was #8DB89A) */
  /* Gentle green */
  --color-accent: #C4A77D;
  /* Warm neutral */
  /* Warm neutral */
  --color-text: #3A3A3A;
  /* Dark gray for readability */
  /* Dark gray for readability */
  --color-text-light: #6B6B6B;
  /* Medium gray */
  /* Medium gray */
  --color-background: #FAFAFA;
  /* Off-white */
  /* Off-white */
  --color-white: #FFFFFF;
  --color-border: #E0E0E0;
  /* Light gray border */
  /* Light gray border */

  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Layout */
  --max-width: 1000px;
  --border-radius: 4px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

.header-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  height: 150px;
  width: auto;
  object-fit: contain;
  display: block;
}

.company-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0;
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: background-color 0.2s ease, color 0.2s ease;
}

nav a:hover {
  background-color: var(--color-background);
  color: var(--color-primary-dark);
}

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

/* Main Content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-lg);
}

.hero h1 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
}

/* App Card */
.app-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.app-card h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.coming-soon {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.app-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.app-features {
  list-style: none;
  padding-left: 0;
}

.app-features li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text);
}

.app-features li:before {
  content: "✓ ";
  color: var(--color-secondary);
  font-weight: bold;
  margin-right: var(--spacing-xs);
}

/* Content Sections */
.section {
  margin-bottom: var(--spacing-lg);
}

.content-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.content-block h3 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.content-block h3:first-child {
  margin-top: 0;
}

.content-block h4 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Legal Content */
.legal-content {
  line-height: 1.8;
}

.legal-content h2 {
  margin-top: var(--spacing-lg);
}

.legal-content h3 {
  margin-top: var(--spacing-md);
  font-size: 1.25rem;
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
}

.last-updated {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact-info {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.contact-email {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 1.125rem;
}

/* Footer */
footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  padding: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .header-content {
    padding: 0 var(--spacing-sm);
  }

  .mobile-menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm) 0;
  }

  nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  main {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-md) 0;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

/* Accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  font-weight: 600;
  z-index: 200;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}