/* Layout & Display */
.block { display: block; }
.flex { display: flex; }
.hidden { display: none; }
.md\:flex { @media (min-width: 768px) { display: flex; } }
.md\:hidden { @media (min-width: 768px) { display: none; } }
.grid { display: grid; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }
.flex-shrink-0 { flex-shrink: 0; }

/* Sizing */
.h-15 { height: 3.75rem; } /* 15*0.25rem */
.h-full { height: 100%; }
.max-w-4xl { max-width: 56rem; }
.max-w-320px { max-width: 320px; } /* custom from style block */

/* Spacing */
.p-6 { padding: 1.5rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.md\:px-16 { @media (min-width: 768px) { padding-left: 4rem; padding-right: 4rem; } }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.pl-4 { padding-left: 1rem; }
.gap-10 { gap: 2.5rem; }
.gap-8 { gap: 2rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-4 { margin-top: 1rem; }

/* Flex/Grid Utilities */
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.text-left { text-align: left; }

/* Typography */
.text-sm { font-size: 0.875rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.text-center { text-align: center; }
.leading-tight { line-height: 1.25; }

/* Background & Colors */
.bg-white { background-color: #ffffff; }
.bg-transparent { background-color: transparent; }
.bg-black\/70 { background-color: rgba(0,0,0,0.7); }
.shadow { box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06); }

/* Borders & Corners */
.border-b { border-bottom-width: 1px; }

/* Positioning & Scroll */
.fixed { position: fixed; }
.top-0 { top: 0; }
.left-0 { left: 0; }

/* Transitions */
.transition-all { transition-property: all; }
.duration-300 { transition-duration: 300ms; }

/* Object Fit */
.object-cover { object-fit: cover; }