/* =================================================================== */
/* ==                1. LAYOUT & BOX MODEL UTILITIES                == */
/* =================================================================== */

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Sizing */
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-full { width: 100%; }
.min-w-\[220px\] { min-width: 220px; }

.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Max Width */
.max-w-7xl { max-width: 80rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-full { max-width: 100%; }

/* Margin */
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }
.mt-3 { margin-top: 0.75rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-20 { margin-top: 5rem; }
.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-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-4 { margin-right: 1rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-10 { margin-left: 2.5rem; }

/* Padding */
.p-2 { padding: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.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-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-6 { padding-top: 1.5rem; }

/* Space Between (for flex/grid children) */
.space-x-1 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.25rem; }
.space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.5rem; }
.space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }

/* Gap (for flex/grid containers) */
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Flex & Grid Alignment */
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-shrink-0 { flex-shrink: 0; }

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

/* =================================================================== */
/* ==                 2. POSITIONING & Z-INDEX                      == */
/* =================================================================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { top: 0px; right: 0px; bottom: 0px; left: 0px; }
.top-0 { top: 0px; }

.z-10 { z-index: 10; }
.z-50 { z-index: 50; }


/* =================================================================== */
/* ==                     3. VISUAL UTILITIES                       == */
/* =================================================================== */

/* Background Color */
.bg-white { background-color: #ffffff; }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.bg-white\/80 { background-color: rgba(255, 255, 255, 0.8); }
.bg-white\/90 { background-color: rgba(255, 255, 255, 0.9); }
.bg-white\/95 { background-color: rgba(255, 255, 255, 0.95); }
.bg-black\/50 { background-color: rgba(0, 0, 0, 0.5); }
.bg-slate-50 { background-color: #f8fafc; }
.bg-slate-100 { background-color: #f1f5f9; }
.bg-slate-100\/70 { background-color: rgba(241, 245, 249, 0.7); }
.bg-teal-50 { background-color: #f0fdfa; }
.bg-teal-100 { background-color: #ccfbf1; }
.bg-teal-600 { background-color: #0d9488; }
.bg-teal-800 { background-color: #115e59; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-orange-500 { background-color: #f97316; }

/* Background Gradient */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.from-teal-500 { --tw-gradient-from: #14b8a6; var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(20, 184, 166, 0))); }
.from-teal-400\/10 { --tw-gradient-from: rgba(45, 212, 191, 0.1); var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(45, 212, 191, 0))); }
.from-orange-50 { --tw-gradient-from: #fff7ed; var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 247, 237, 0))); }
.from-slate-50 { --tw-gradient-from: #f8fafc; var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(248, 250, 252, 0))); }
.via-blue-500\/10 { --tw-gradient-via: rgba(59, 130, 246, 0.1); var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(59, 130, 246, 0))); }
.via-blue-50 { --tw-gradient-via: #eff6ff; var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-via), var(--tw-gradient-to, rgba(239, 246, 255, 0))); }
.to-blue-600 { --tw-gradient-to: #2563eb; }
.to-indigo-50 { --tw-gradient-to: #eef2ff; }
.to-purple-600\/10 { --tw-gradient-to: rgba(147, 51, 234, 0.1); }
.to-red-50 { --tw-gradient-to: #fee2e2; }
.to-red-600 { --tw-gradient-to: #dc2626; }
.hover\:bg-teal-700:hover { background-color: #0f766e; }
.hover\:from-orange-600:hover { --tw-gradient-from: #ea580c; var(--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(234, 88, 12, 0))); }

/* Border */
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }
.border-2 { border-width: 2px; }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-slate-200\/80 { border-color: rgba(226, 232, 240, 0.8); }
.border-orange-200 { border-color: #fed7aa; }
.border-blue-200 { border-color: #bfdbfe; }
.border-teal-600 { border-color: #0d9488; }
.border-gray-300 { border-color: #d1d5db; }

/* Effects */
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.hover\:shadow-2xl:hover { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.opacity-10 { opacity: 0.1; }
.opacity-20 { opacity: 0.2; }
.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

/* 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; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }

/* Transforms */
.transform { transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:scale-105:hover { --tw-scale-x: 1.05; --tw-scale-y: 1.05; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:rotate-12:hover { --tw-rotate: 12deg; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
/* =================================================================== */
/* ==                 4. RESPONSIVE UTILITIES (Media Queries)       == */
/* =================================================================== */

/* Small screens (sm) and up - 640px */
@media (min-width: 640px) {
    .sm\:flex-row { flex-direction: row; }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}

/* Medium screens (md) and up - 768px */
@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\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
    .md\:text-5xl { font-size: 3rem; line-height: 1; }
    .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
    .md\:block { display: block; }
    .md\:hidden { display: none; }
}

/* Large screens (lg) and up - 1024px */
@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .lg\:py-32 { padding-top: 8rem; padding-bottom: 8rem; }
}