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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #374151;
}

/* Utility classes */
.min-h-screen { min-height: 100vh; }
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-900 { background-color: #111827; }
.text-white { color: #ffffff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }
.text-purple-100 { color: #ede9fe; }
.text-purple-600 { color: #9333ea; }
.text-purple-900 { color: #581c87; }
.text-yellow-400 { color: #facc15; }
.text-yellow-800 { color: #92400e; }
.text-green-600 { color: #059669; }
.text-black { color: #000000; }

.bg-purple-900 { background-color: #581c87; }
.bg-purple-800 { background-color: #6b21a8; }
.bg-yellow-50 { background-color: #fefce8; }
.bg-yellow-100 { background-color: #fef3c7; }
.bg-yellow-400 { background-color: #facc15; }
.bg-yellow-500 { background-color: #eab308; }
.bg-green-500 { background-color: #10b981; }

.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-purple-800:hover { background-color: #6b21a8; }
.hover\:bg-yellow-400:hover { background-color: #facc15; }
.hover\:text-white:hover { color: #ffffff; }
.hover\:text-purple-900:hover { color: #581c87; }

/* Layout */
.max-w-7xl { max-width: 80rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-8 { margin-top: 2rem; }
.ml-2 { margin-left: 0.5rem; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-8 > * + * { margin-left: 2rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Typography */
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.leading-tight { line-height: 1.25; }
.text-center { text-align: center; }

/* Borders and shadows */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-b { border-bottom-width: 1px; }
.border-t { border-top-width: 1px; }
.border-gray-300 { border-color: #d1d5db; }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-yellow-200 { border-color: #fef08a; }
.border-gray-800 { border-color: #1f2937; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.z-50 { z-index: 50; }

/* Sizing */
.h-5 { height: 1.25rem; }
.h-8 { height: 2rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-auto { width: auto; }
.w-full { width: 100%; }

/* Background effects */
.bg-cover { background-size: cover; }
.bg-center { background-position: center; }
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-purple-900 { --tw-gradient-from: #581c87; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(88, 28, 135, 0)); }
.to-purple-800 { --tw-gradient-to: #6b21a8; }
.from-yellow-50 { --tw-gradient-from: #fefce8; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(254, 252, 232, 0)); }
.to-yellow-100 { --tw-gradient-to: #fef3c7; }
.backdrop-blur { backdrop-filter: blur(8px); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.opacity-20 { opacity: 0.2; }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* Display */
.hidden { display: none; }
.inline-flex { display: inline-flex; }
.inline-block { display: inline-block; }

/* Transitions */
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

/* Header specific styles */
header {
    background-color: #ffffff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 50;
}

/* Button styles */
button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.15s ease;
}

button:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

/* Link styles */
a {
    text-decoration: none;
    transition: color 0.15s ease;
}

/* Responsive design */
@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:flex-row { flex-direction: row; }
    .sm\:inline-flex { display: inline-flex; }
}

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}