/* Custom utility stylesheet styled after Tailwind CSS */

/* Base Resets */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth; /* Ensures smooth scrolling to the top header */
}

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

/* Typography Utilities */
.font-sans { font-family: ui-sans-serif, system-ui, sans-serif; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.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-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.italic { font-style: italic; }
.underline { text-decoration: underline; }
.tracking-tight { letter-spacing: -0.025em; }
.leading-relaxed { line-height: 1.625; }

/* Alignment & Spacing */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

/* Colors */
.bg-white { background-color: #ffffff; }
.bg-white\/90 { background-color: rgba(255, 255, 255, 0.9); }
.bg-gray-50 { background-color: #f9fafb; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-gray-900 { background-color: #111827; }
.bg-green-700 { background-color: #15803d; }
.bg-green-800 { background-color: #166534; }

.text-white { color: #ffffff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }
.text-green-600 { color: #16a34a; }
.text-green-700 { color: #15803d; }
.text-green-900 { color: #14532d; }

.hover\:bg-green-800:hover { background-color: #166534; }
.hover\:text-green-200:hover { color: #bbf7d0; }

/* Borders & Shadows */
.border-y { border-top: 1px solid #e5e7eb; border-bottom: 1px solid #e5e7eb; }
.border-t-4 { border-top-width: 4px; border-top-style: solid; }
.border-green-600 { border-color: #16a34a; }

.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); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Layout & Positioning */
.inline-block { display: inline-block; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }

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

.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-4 { top: 1rem; }
.left-4 { left: 1rem; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }

.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.h-64 { height: 16rem; }
.h-80 { height: 20rem; }

.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }

.overflow-hidden { overflow: hidden; }
.object-cover { object-fit: cover; }
.opacity-70 { opacity: 0.7; }
.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; }
.list-none { list-style-type: none; }

/* Responsive Media Queries (Mobile First emphasis handled by default, overrides here for tablets/desktop) */
@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:h-screen-60 { height: 60vh; }
    .md\:text-base { font-size: 1rem; line-height: 1.5rem; }
    .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
}