/* ============================================================
   Tailwind v3 Utility Replacement — 338 classes
   Self-contained, no CDN required.
   ============================================================ */

/* === BASE / RESET === */
*, ::before, ::after { box-sizing: border-box; border-width: 0; border-style: solid; border-color: #e5e7eb; }
html { line-height: 1.5; -webkit-text-size-adjust: 100%; tab-size: 4; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; }
body { margin: 0; line-height: inherit; }
img, video { max-width: 100%; height: auto; display: block; }

/* === KEYFRAMES === */
@keyframes spin { to { transform: rotate(360deg); } }

/* ===========================================
   LAYOUT (41 classes)
   =========================================== */

/* block */
.block { display: block; }

/* bottom-8 */
.bottom-8 { bottom: 2rem; }

/* col-span-full */
.col-span-full { grid-column: 1 / -1; }

/* container */
.container { width: 100%; margin-left: auto; margin-right: auto; }
@media (min-width: 640px) { .container { max-width: 640px; } }
@media (min-width: 768px) { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }
@media (min-width: 1536px) { .container { max-width: 1536px; } }

/* fixed */
.fixed { position: fixed; }

/* flex */
.flex { display: flex; }

/* flex-1 */
.flex-1 { flex: 1 1 0%; }

/* flex-col */
.flex-col { flex-direction: column; }

/* flex-grow */
.flex-grow { flex-grow: 1; }

/* flex-shrink-0 */
.flex-shrink-0 { flex-shrink: 0; }

/* flex-wrap */
.flex-wrap { flex-wrap: wrap; }

/* gap-12 */
.gap-12 { gap: 3rem; }

/* gap-2 */
.gap-2 { gap: 0.5rem; }

/* gap-3 */
.gap-3 { gap: 0.75rem; }

/* gap-4 */
.gap-4 { gap: 1rem; }

/* gap-5 */
.gap-5 { gap: 1.25rem; }

/* gap-6 */
.gap-6 { gap: 1.5rem; }

/* gap-8 */
.gap-8 { gap: 2rem; }

/* gap-x-3 */
.gap-x-3 { column-gap: 0.75rem; }

/* gap-x-8 */
.gap-x-8 { column-gap: 2rem; }

/* gap-y-4 */
.gap-y-4 { row-gap: 1rem; }

/* grid */
.grid { display: grid; }

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

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

/* group — marker class, no styles needed */
.group { /* intentional: group is a marker class */ }

/* hidden */
.hidden { display: none; }

/* inline-block */
.inline-block { display: inline-block; }

/* inline-flex */
.inline-flex { display: inline-flex; }

/* invisible */
.invisible { visibility: hidden; }

/* items-center */
.items-center { align-items: center; }

/* items-start */
.items-start { align-items: flex-start; }

/* justify-between */
.justify-between { justify-content: space-between; }

/* justify-center */
.justify-center { justify-content: center; }

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

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

/* overflow-x-auto */
.overflow-x-auto { overflow-x: auto; }

/* relative */
.relative { position: relative; }

/* right-8 */
.right-8 { right: 2rem; }

/* scroll-smooth */
.scroll-smooth { scroll-behavior: smooth; }

/* z-10 */
.z-10 { z-index: 10; }

/* z-50 */
.z-50 { z-index: 50; }

/* ===========================================
   SPACING (67 classes)
   =========================================== */

/* !mt-0 */
.\!mt-0 { margin-top: 0px !important; }

/* mb-* */
.mb-1 { margin-bottom: 0.25rem; }
.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; }

/* mr-2 */
.mr-2 { margin-right: 0.5rem; }

/* mt-* */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mt-auto { margin-top: auto; }

/* mx-auto */
.mx-auto { margin-left: auto; margin-right: auto; }

/* my-* */
.my-5 { margin-top: 1.25rem; margin-bottom: 1.25rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.my-12 { margin-top: 3rem; margin-bottom: 3rem; }

/* p-* */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* pb-* */
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-16 { padding-bottom: 4rem; }

/* pl-* */
.pl-4 { padding-left: 1rem; }
.pl-5 { padding-left: 1.25rem; }
.pl-6 { padding-left: 1.5rem; }

/* pr-4 */
.pr-4 { padding-right: 1rem; }

/* pt-* */
.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }
.pt-10 { padding-top: 2.5rem; }
.pt-16 { padding-top: 4rem; }

/* px-* */
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

/* py-* */
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.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-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

/* space-x-2 */
.space-x-2 > * + * { margin-left: 0.5rem; }

/* space-y-* */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.space-y-10 > * + * { margin-top: 2.5rem; }
.space-y-12 > * + * { margin-top: 3rem; }

/* ===========================================
   SIZING (26 classes)
   =========================================== */

/* h-* */
.h-2\.5 { height: 0.625rem; }
.h-3 { height: 0.75rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-20 { height: 5rem; }
.h-64 { height: 16rem; }
.h-auto { height: auto; }
.h-full { height: 100%; }

/* max-h-80 */
.max-h-80 { max-height: 20rem; }

/* max-w-* */
.max-w-none { max-width: none; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-7xl { max-width: 80rem; }

/* min-h-[40px] */
.min-h-\[40px\] { min-height: 40px; }

/* w-* */
.w-3 { width: 0.75rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-px { width: 1px; }
.w-auto { width: auto; }
.w-full { width: 100%; }

/* ===========================================
   TYPOGRAPHY (30 classes)
   =========================================== */

/* antialiased */
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* font weights */
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

/* font-mono */
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

/* italic */
.italic { font-style: italic; }

/* leading-relaxed */
.leading-relaxed { line-height: 1.625; }

/* line-clamp-3 */
.line-clamp-3 { overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }

/* list styles */
.list-decimal { list-style-type: decimal; }
.list-disc { list-style-type: disc; }
.list-inside { list-style-position: inside; }

/* prose — basic typography for article content */
.prose { color: #374151; line-height: 1.75; max-width: 65ch; }
.prose h1 { font-size: 2.25em; margin-top: 0; margin-bottom: 0.8888889em; font-weight: 800; line-height: 1.1111111; }
.prose h2 { font-size: 1.5em; margin-top: 2em; margin-bottom: 1em; font-weight: 700; line-height: 1.3333333; }
.prose h3 { font-size: 1.25em; margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 600; line-height: 1.6; }
.prose h4 { margin-top: 1.5em; margin-bottom: 0.5em; font-weight: 600; line-height: 1.5; }
.prose p { margin-top: 1.25em; margin-bottom: 1.25em; }
.prose a { color: #111827; text-decoration: underline; font-weight: 500; }
.prose strong { font-weight: 600; color: #111827; }
.prose ol { list-style-type: decimal; margin-top: 1.25em; margin-bottom: 1.25em; padding-left: 1.625em; }
.prose ul { list-style-type: disc; margin-top: 1.25em; margin-bottom: 1.25em; padding-left: 1.625em; }
.prose li { margin-top: 0.5em; margin-bottom: 0.5em; }
.prose blockquote { font-weight: 500; font-style: italic; color: #111827; border-left: 0.25rem solid #d1d5db; padding-left: 1em; margin-top: 1.6em; margin-bottom: 1.6em; }
.prose code { color: #111827; font-weight: 600; font-size: 0.875em; }
.prose code::before { content: "`"; }
.prose code::after { content: "`"; }
.prose pre { color: #e5e7eb; background-color: #1f2937; overflow-x: auto; font-size: 0.875em; line-height: 1.7142857; margin-top: 1.7142857em; margin-bottom: 1.7142857em; border-radius: 0.375rem; padding: 0.8571429em 1.1428571em; }
.prose pre code { background-color: transparent; border-width: 0; border-radius: 0; padding: 0; font-weight: 400; color: inherit; font-size: inherit; font-family: inherit; line-height: inherit; }
.prose pre code::before { content: none; }
.prose pre code::after { content: none; }
.prose img { margin-top: 2em; margin-bottom: 2em; }
.prose hr { border-color: #e5e7eb; margin-top: 3em; margin-bottom: 3em; }
.prose table { width: 100%; table-layout: auto; text-align: left; margin-top: 2em; margin-bottom: 2em; font-size: 0.875em; line-height: 1.7142857; }
.prose thead { border-bottom-width: 1px; border-bottom-color: #d1d5db; }
.prose thead th { font-weight: 600; padding: 0 0.5714286em 0.5714286em; vertical-align: bottom; }
.prose tbody tr { border-bottom-width: 1px; border-bottom-color: #e5e7eb; }
.prose tbody td { padding: 0.5714286em; vertical-align: baseline; }

/* prose-invert */
.prose-invert { color: #d1d5db; }
.prose-invert a { color: #fff; }
.prose-invert strong { color: #fff; }
.prose-invert h1, .prose-invert h2, .prose-invert h3, .prose-invert h4 { color: #fff; }
.prose-invert blockquote { color: #e5e7eb; border-left-color: #4b5563; }
.prose-invert code { color: #fff; }
.prose-invert pre { background-color: rgba(0,0,0,0.5); }
.prose-invert hr { border-color: #374151; }
.prose-invert thead { border-bottom-color: #4b5563; }
.prose-invert tbody tr { border-bottom-color: #374151; }

/* prose-lg */
.prose-lg { font-size: 1.125rem; line-height: 1.7777778; }
.prose-lg p { margin-top: 1.3333333em; margin-bottom: 1.3333333em; }
.prose-lg h1 { font-size: 2.6666667em; margin-bottom: 0.8333333em; line-height: 1; }
.prose-lg h2 { font-size: 1.6666667em; margin-top: 1.8666667em; margin-bottom: 1.0666667em; line-height: 1.3333333; }
.prose-lg h3 { font-size: 1.3333333em; margin-top: 1.5em; margin-bottom: 0.6666667em; line-height: 1.5; }
.prose-lg li { margin-top: 0.6666667em; margin-bottom: 0.6666667em; }

/* text sizes */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.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; }

/* text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* tracking */
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* underline */
.underline { text-decoration-line: underline; }

/* uppercase */
.uppercase { text-transform: uppercase; }

/* ===========================================
   COLORS (84 classes)
   =========================================== */

/* --- background colors --- */
.bg-black { background-color: #000; }
.bg-black\/10 { background-color: rgba(0, 0, 0, 0.1); }
.bg-blue-500 { background-color: #3b82f6; }
.bg-cyan-500 { background-color: #06b6d4; }
.bg-cyan-900\/50 { background-color: rgba(22, 78, 99, 0.5); }
.bg-emerald-500 { background-color: #10b981; }
.bg-fuchsia-900\/50 { background-color: rgba(112, 26, 117, 0.5); }
.bg-gray-600 { background-color: #4b5563; }
.bg-gray-700 { background-color: #374151; }
.bg-gray-700\/50 { background-color: rgba(55, 65, 81, 0.5); }
.bg-gray-800\/40 { background-color: rgba(31, 41, 55, 0.4); }
.bg-gray-800\/50 { background-color: rgba(31, 41, 55, 0.5); }
.bg-gray-900 { background-color: #111827; }
.bg-gray-900\/50 { background-color: rgba(17, 24, 39, 0.5); }
.bg-gray-900\/60 { background-color: rgba(17, 24, 39, 0.6); }
.bg-gray-900\/70 { background-color: rgba(17, 24, 39, 0.7); }
.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-600\/10 { background-color: rgba(22, 163, 74, 0.1); }
.bg-green-900\/50 { background-color: rgba(20, 83, 45, 0.5); }
.bg-orange-500 { background-color: #f97316; }
.bg-purple-500 { background-color: #a855f7; }
.bg-purple-600 { background-color: #9333ea; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-500\/10 { background-color: rgba(239, 68, 68, 0.1); }
.bg-red-500\/15 { background-color: rgba(239, 68, 68, 0.15); }
.bg-red-600 { background-color: #dc2626; }
.bg-red-600\/10 { background-color: rgba(220, 38, 38, 0.1); }
.bg-red-600\/20 { background-color: rgba(220, 38, 38, 0.2); }
.bg-red-900\/20 { background-color: rgba(127, 29, 29, 0.2); }
.bg-red-900\/50 { background-color: rgba(127, 29, 29, 0.5); }
.bg-sky-500 { background-color: #0ea5e9; }
.bg-sky-600 { background-color: #0284c7; }
.bg-yellow-500 { background-color: #eab308; }
.bg-yellow-900\/50 { background-color: rgba(113, 63, 18, 0.5); }
.bg-zinc-700 { background-color: #3f3f46; }
.bg-zinc-800 { background-color: #27272a; }
.bg-zinc-900\/80 { background-color: rgba(24, 24, 27, 0.8); }

/* --- border colors --- */
.border-cyan-500 { border-color: #06b6d4; }
.border-cyan-500\/30 { border-color: rgba(6, 182, 212, 0.3); }
.border-gray-700 { border-color: #374151; }
.border-gray-700\/30 { border-color: rgba(55, 65, 81, 0.3); }
.border-gray-700\/50 { border-color: rgba(55, 65, 81, 0.5); }
.border-gray-800 { border-color: #1f2937; }
.border-green-500\/30 { border-color: rgba(34, 197, 94, 0.3); }
.border-green-600\/40 { border-color: rgba(22, 163, 74, 0.4); }
.border-red-500 { border-color: #ef4444; }
.border-red-500\/20 { border-color: rgba(239, 68, 68, 0.2); }
.border-red-500\/30 { border-color: rgba(239, 68, 68, 0.3); }
.border-red-500\/50 { border-color: rgba(239, 68, 68, 0.5); }
.border-red-500\/70 { border-color: rgba(239, 68, 68, 0.7); }
.border-red-600\/40 { border-color: rgba(220, 38, 38, 0.4); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-yellow-500\/30 { border-color: rgba(234, 179, 8, 0.3); }
.border-zinc-800 { border-color: #27272a; }
.border-zinc-800\/50 { border-color: rgba(39, 39, 42, 0.5); }

/* --- ring colors (used with ring-*) --- */
.ring-gray-600\/20 { --tw-ring-color: rgba(75, 85, 99, 0.2); }
.ring-red-500\/20 { --tw-ring-color: rgba(239, 68, 68, 0.2); }

/* --- text colors --- */
.text-amber-400 { color: #fbbf24; }
.text-black { color: #000; }
.text-cyan-300 { color: #67e8f9; }
.text-cyan-400 { color: #22d3ee; }
.text-fuchsia-300 { color: #f0abfc; }
.text-gray-100 { color: #f3f4f6; }
.text-gray-200 { color: #e5e7eb; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-900 { color: #111827; }
.text-green-300 { color: #86efac; }
.text-green-400 { color: #4ade80; }
.text-green-500 { color: #22c55e; }
.text-orange-500 { color: #f97316; }
.text-red-300 { color: #fca5a5; }
.text-red-300\/90 { color: rgba(252, 165, 165, 0.9); }
.text-red-400 { color: #f87171; }
.text-red-400\/60 { color: rgba(248, 113, 113, 0.6); }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-sky-400 { color: #38bdf8; }
.text-sky-500 { color: #0ea5e9; }
.text-white { color: #fff; }
.text-yellow-300 { color: #fde047; }
.text-yellow-400 { color: #facc15; }

/* ===========================================
   BORDERS (15 classes)
   =========================================== */

.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }
.border-l-2 { border-left-width: 2px; }
.border-l-4 { border-left-width: 4px; }
.border-t { border-top-width: 1px; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; }

/* ring-4 */
.ring-4 { box-shadow: 0 0 0 4px var(--tw-ring-color, rgba(59, 130, 246, 0.5)); }

/* rounded */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.rounded-r-lg { border-top-right-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }

/* ===========================================
   EFFECTS (11 classes)
   =========================================== */

/* backdrop-blur */
.backdrop-blur-lg { backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }

/* opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-75 { opacity: 0.75; }

/* shadow */
.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 -4px rgba(0, 0, 0, 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.shadow-black\/30 { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3); }
.shadow-red-900\/10 { box-shadow: 0 10px 15px -3px rgba(127, 29, 29, 0.1), 0 4px 6px -4px rgba(127, 29, 29, 0.1); }
.shadow-sky-500\/30 { box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3), 0 4px 6px -4px rgba(14, 165, 233, 0.3); }

/* ===========================================
   TRANSITIONS & ANIMATION (6 classes)
   =========================================== */

/* animate-spin */
.animate-spin { animation: spin 1s linear infinite; }

/* duration */
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }

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

/* ===========================================
   TRANSFORMS (1 class)
   =========================================== */

.transform { transform: translateX(0); }

/* ===========================================
   INTERACTIVITY (29 classes)
   =========================================== */

/* cursor */
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }

/* group-hover variants */
.group:hover .group-hover\:bg-red-500\/20 { background-color: rgba(239, 68, 68, 0.2); }
.group:hover .group-hover\:ring-gray-600\/40 { box-shadow: 0 0 0 4px rgba(75, 85, 99, 0.4); }
.group:hover .group-hover\:ring-red-500\/40 { box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4); }
.group:hover .group-hover\:text-red-300 { color: #fca5a5; }

/* hover variants */
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:bg-cyan-400:hover { background-color: #22d3ee; }
.hover\:bg-gray-600:hover { background-color: #4b5563; }
.hover\:bg-gray-700:hover { background-color: #374151; }
.hover\:bg-gray-700\/50:hover { background-color: rgba(55, 65, 81, 0.5); }
.hover\:bg-orange-600:hover { background-color: #ea580c; }
.hover\:bg-red-500\/10:hover { background-color: rgba(239, 68, 68, 0.1); }
.hover\:bg-red-500\/5:hover { background-color: rgba(239, 68, 68, 0.05); }
.hover\:bg-red-700:hover { background-color: #b91c1c; }
.hover\:bg-sky-500:hover { background-color: #0ea5e9; }
.hover\:bg-sky-600:hover { background-color: #0284c7; }
.hover\:bg-zinc-700:hover { background-color: #3f3f46; }
.hover\:border-cyan-500\/40:hover { border-color: rgba(6, 182, 212, 0.4); }
.hover\:border-red-500\/50:hover { border-color: rgba(239, 68, 68, 0.5); }
.hover\:border-red-500\/70:hover { border-color: rgba(239, 68, 68, 0.7); }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1); }
.hover\:shadow-red-500\/5:hover { box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.05), 0 4px 6px -4px rgba(239, 68, 68, 0.05); }
.hover\:text-cyan-200:hover { color: #a5f3fc; }
.hover\:text-red-300:hover { color: #fca5a5; }
.hover\:underline:hover { text-decoration-line: underline; }

/* ===========================================
   RESPONSIVE — sm (640px)
   =========================================== */
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ===========================================
   RESPONSIVE — md (768px)
   =========================================== */
@media (min-width: 768px) {
  .md\:gap-6 { gap: 1.5rem; }
  .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-80 { height: 20rem; }
  .md\:mb-16 { margin-bottom: 4rem; }
  .md\:p-8 { padding: 2rem; }
  .md\:p-12 { padding: 3rem; }
  .md\:pt-24 { padding-top: 6rem; }
  .md\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .md\:py-28 { padding-top: 7rem; padding-bottom: 7rem; }
  .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .md\:text-5xl { font-size: 3rem; line-height: 1; }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
  .md\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
}

/* ===========================================
   RESPONSIVE — lg (1024px)
   =========================================== */
@media (min-width: 1024px) {
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:gap-16 { gap: 4rem; }
  .lg\:grid { display: grid; }
  .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:mt-0 { margin-top: 0px; }
}

/* ===========================================
   RESPONSIVE — xl (1280px)
   =========================================== */
@media (min-width: 1280px) {
  .xl\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}