/* Import Ubuntu font */
@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container system */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Mobile first approach */
@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2.5rem;
  }
}

/* Layout components */
.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  padding-top: 4rem; /* Space for fixed navbar */
}

/* Footer Styles */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-100);
  border-top: 1px solid var(--neutral-800);
  margin-top: auto;
}

/* Add bottom padding for mobile and iPad to account for bottom nav */
@media (max-width: 1024px) {
  .footer {
    padding-bottom: calc(90px + env(safe-area-inset-bottom)) !important;
  }
}

.footer h3,
.footer h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer a {
  color: var(--neutral-300);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--white);
}

.footer .border-t {
  border-color: var(--neutral-700);
}

.footer p {
  color: var(--neutral-400);
  line-height: 1.6;
}

/* Grid system */
.grid {
  display: grid;
  gap: 1rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Responsive grid */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

/* Spacing utilities */
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* Padding utilities */
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Margin utilities */
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }

/* Responsive text */
@media (min-width: 768px) {
  .md\:text-2xl { font-size: 1.5rem; }
  .md\:text-3xl { font-size: 1.875rem; }
  .md\:text-4xl { font-size: 2.25rem; }
  .md\:text-5xl { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .lg\:text-3xl { font-size: 1.875rem; }
  .lg\:text-4xl { font-size: 2.25rem; }
  .lg\:text-5xl { font-size: 3rem; }
  .lg\:text-6xl { font-size: 3.75rem; }
}

/* Utility classes */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

@media (min-width: 640px) {
  .sm\:hidden { display: none; }
  .sm\:block { display: block; }
}

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
}

@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
}

/* Focus styles for accessibility */
.focus\:outline-none:focus {
  outline: none;
}

.focus\:ring-2:focus {
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.focus\:ring-offset-2:focus {
  box-shadow: 0 0 0 2px var(--focus-ring), 0 0 0 4px var(--background);
}

/* Smooth transitions */
.transition {
  transition: all 0.2s ease-in-out;
}

.transition-colors {
  transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

.transition-transform {
  transition: transform 0.2s ease-in-out;
}

/* Hover effects */
.hover\:scale-105:hover {
  transform: scale(1.05);
}

.hover\:shadow-lg:hover {
  box-shadow: 0 10px 15px -3px var(--shadow), 0 4px 6px -2px var(--shadow);
}