/* Base styles */
:root {
  --blue-100: #dbeafe;
  --blue-400: #60a5fa;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --gray-50: #f9fafb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: var(--gray-900);
  line-height: 1.5;
}

img {
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style-type: none;
}

/* Layout utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.grid {
  display: grid;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

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

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.gap-10 {
  gap: 2.5rem;
}

.space-y-2 > * + * {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-16 {
  margin-bottom: 4rem;
}

.ml-2 {
  margin-left: 0.5rem;
}

.mt-12 {
  margin-top: 3rem;
}

.mt-auto {
  margin-top: auto;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.p-6 {
  padding: 1.5rem;
}

.pt-6 {
  padding-top: 1.5rem;
}

/* Typography */
.text-center {
  text-align: center;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}

.font-bold {
  font-weight: 700;
}

.leading-tight {
  line-height: 1.25;
}

.text-white {
  color: var(--white);
}

.text-gray-300 {
  color: var(--gray-300);
}

.text-gray-400 {
  color: var(--gray-400);
}

.text-gray-500 {
  color: var(--gray-500);
}

.text-gray-600 {
  color: var(--gray-600);
}

.text-gray-900 {
  color: var(--gray-900);
}

.text-blue-100 {
  color: var(--blue-100);
}

.text-blue-400 {
  color: var(--blue-400);
}

.text-blue-600 {
  color: var(--blue-600);
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
  cursor: pointer;
  border: none;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

.btn-primary {
  background-color: var(--blue-600);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--blue-700);
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-900);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-50);
}

.btn-white {
  background-color: var(--white);
  color: var(--blue-600);
}

.btn-white:hover {
  background-color: var(--blue-100);
}

.btn-blue {
  background-color: var(--blue-600);
  color: var(--white);
}

.btn-blue:hover {
  background-color: var(--blue-700);
}

/* Background colors */
.bg-white {
  background-color: var(--white);
}

.bg-blue-100 {
  background-color: var(--blue-100);
}

.bg-blue-600 {
  background-color: var(--blue-600);
}

.bg-gray-800 {
  background-color: var(--gray-800);
}

.bg-gray-900 {
  background-color: var(--gray-900);
}

/* Borders */
.border-b {
  border-bottom: 1px solid var(--gray-300);
}

.border-t {
  border-top: 1px solid;
}

.border-gray-700 {
  border-color: var(--gray-700);
}

.border-gray-800 {
  border-color: var(--gray-800);
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-md {
  border-radius: 0.375rem;
}

/* Utilities */
.sticky-top {
  position: sticky;
  top: 0;
}

.z-10 {
  z-index: 10;
}

.min-h-screen {
  min-height: 100vh;
}

.w-full {
  width: 100%;
}

.h-auto {
  height: auto;
}

.h-4 {
  height: 1rem;
}

.h-10 {
  height: 2.5rem;
}

.h-12 {
  height: 3rem;
}

.w-4 {
  width: 1rem;
}

.object-cover {
  object-fit: cover;
}

.flex-grow {
  flex-grow: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

.transition-colors {
  transition-property: color, background-color, border-color;
  transition-duration: 0.2s;
}

.max-w-3xl {
  max-width: 48rem;
}

.brightness-2 {
  filter: brightness(2);
}

.focus-outline-none:focus {
  outline: none;
}

.focus-border-blue-400:focus {
  border-color: var(--blue-400);
}

.hover-text-blue-400:hover {
  color: var(--blue-400);
}

/* Media queries for responsive design */
@media (min-width: 640px) {
  .sm-flex-row {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .md-grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .md-grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .md-text-4xl {
    font-size: 2.25rem;
  }
  
  .md-text-5xl {
    font-size: 3rem;
  }
  
  .md-py-24 {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
  
  .md-order-last {
    order: 9999;
  }
}

@media (min-width: 1024px) {
  .lg-text-6xl {
    font-size: 3.75rem;
  }
}