/* === Tailwind Base Styles (simplified for offline use) === */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:#1f2937;line-height:1.5}
img{display:block;max-width:100%;height:auto}

/* === Layout Utilities === */
.max-w-7xl{max-width:80rem;margin-left:auto;margin-right:auto}
.max-w-6xl{max-width:72rem;margin-left:auto;margin-right:auto}
.max-w-5xl{max-width:64rem;margin-left:auto;margin-right:auto}
.max-w-3xl{max-width:48rem;margin-left:auto;margin-right:auto}
.mx-auto{margin-left:auto;margin-right:auto}
.px-4{padding-left:1rem;padding-right:1rem}
.px-6{padding-left:1.5rem;padding-right:1.5rem}
.py-3{padding-top:0.75rem;padding-bottom:0.75rem}
.py-8{padding-top:2rem;padding-bottom:2rem}
.py-20{padding-top:5rem;padding-bottom:5rem}
.p-6{padding:1.5rem}
.p-3{padding:0.75rem}

/* === Flex/Grid === */
.flex{display:flex}
.grid{display:grid}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.text-center{text-align:center}
.space-x-3>*+*{margin-left:0.75rem}
.space-x-4>*+*{margin-left:1rem}
.space-x-6>*+*{margin-left:1.5rem}
.gap-8{gap:2rem}
.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* === Colors & Backgrounds === */
.bg-white{background-color:#fff}
.bg-gray-50{background-color:#f9fafb}
.bg-gray-900{background-color:#111827}
.bg-blue-600{background-color:#2563eb}
.bg-blue-700{background-color:#1d4ed8}
.bg-black{background-color:#000}
.bg-opacity-50{opacity:0.5}
.text-white{color:#fff}
.text-gray-800{color:#1f2937}
.text-gray-700{color:#374151}
.text-gray-600{color:#4b5563}
.text-blue-600{color:#2563eb}
.hover\:text-blue-600:hover{color:#2563eb}
.hover\:text-white:hover{color:#fff}

/* === Typography === */
.font-bold{font-weight:700}
.font-semibold{font-weight:600}
.font-medium{font-weight:500}
.text-lg{font-size:1.125rem}
.text-xl{font-size:1.25rem}
.text-3xl{font-size:1.875rem}
.text-4xl{font-size:2.25rem}
.text-5xl{font-size:3rem}
.leading-relaxed{line-height:1.625}

/* === Borders, Radius & Shadow === */
.rounded-md{border-radius:0.375rem}
.rounded-xl{border-radius:0.75rem}
.rounded-full{border-radius:9999px}
.shadow-lg{box-shadow:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1)}
.overflow-hidden{overflow:hidden}

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

/* === Transitions === */
.transition{transition:all 0.3s ease}
.hover\:scale-105:hover{transform:scale(1.05)}
.hover\:bg-blue-700:hover{background-color:#1d4ed8}
.hover\:bg-blue-50:hover{background-color:#eff6ff}

/* === Width/Height === */
.w-full{width:100%}
.w-auto{width:auto}
.h-10{height:2.5rem}
.h-56{height:14rem}
.h-\[85vh\]{height:85vh}

/* === Misc === */
.shadow-md{box-shadow:0 4px 6px rgba(0,0,0,0.1)}
.border-t{border-top:1px solid #e5e7eb}
.border-gray-200{border-color:#e5e7eb}
.rounded-2xl{border-radius:1rem}
.text-blue-600{color:#2563eb}
.font-bold{font-weight:700}
.font-semibold{font-weight:600}
.font-medium{font-weight:500}
.hover\:text-blue-600:hover{color:#2563eb}
.drop-shadow-lg{text-shadow:0 4px 3px rgba(0,0,0,0.3)}
.hidden{display:none}
.md\:hidden{display:none}
.md\:flex{display:flex}
@media (min-width:768px){.md\:flex{display:flex!important}.md\:hidden{display:none!important}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}