/* Tailwind CSS Reset and Utilities */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #e5e7eb;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
}

/* Base styles */
html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
    font-family: 'Poppins', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

body {
    line-height: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
}

/* Links */
a {
    color: inherit;
    text-decoration: inherit;
}

/* Buttons */
button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
}

button, select {
    text-transform: none;
}

button, [type='button'], [type='reset'], [type='submit'] {
    -webkit-appearance: button;
    appearance: button;
    background-color: transparent;
    background-image: none;
}

/* Essential Utility Classes */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@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; }
}

/* Layout */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.z-50 { z-index: 50; }
.z-10 { z-index: 10; }
.z-0 { z-index: 0; }

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@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\:flex { display: flex; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Spacing */
.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.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; }

/* Sizing */
.w-full { width: 100%; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-20 { height: 5rem; }
.h-48 { height: 12rem; }
.h-80 { height: 20rem; }
.h-96 { height: 24rem; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

/* Typography */
.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-5xl { font-size: 3rem; line-height: 1; }

@media (min-width: 768px) {
    .md\:text-5xl { font-size: 3rem; line-height: 1; }
    .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
}

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-poppins { font-family: 'Poppins', sans-serif; }

.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }

.text-center { text-align: center; }
.text-white { color: #ffffff; }
.text-black { color: #000000; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-800 { color: #1f2937; }
.text-yellow-400 { color: #fbbf24; }
.text-blue-600 { color: #2563eb; }
.text-green-600 { color: #16a34a; }
.text-purple-600 { color: #9333ea; }

.italic { font-style: italic; }

/* Backgrounds */
.bg-black { background-color: #000000; }
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-gray-800 { background-color: #1f2937; }
.bg-gray-900 { background-color: #111827; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-600 { background-color: #2563eb; }
.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-purple-500 { background-color: #8b5cf6; }
.bg-purple-600 { background-color: #9333ea; }
.bg-yellow-400 { background-color: #fbbf24; }

.bg-opacity-30 { background-color: rgba(0, 0, 0, 0.3); }
.bg-opacity-95 { background-color: rgba(0, 0, 0, 0.95); }

/* Gradients */
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.bg-gradient-to-t { background-image: linear-gradient(to top, var(--tw-gradient-stops)); }
.from-purple-900 { --tw-gradient-from: #581c87; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(88, 28, 135, 0)); }
.via-blue-900 { --tw-gradient-stops: var(--tw-gradient-from), #1e3a8a, var(--tw-gradient-to, rgba(30, 58, 138, 0)); }
.to-indigo-900 { --tw-gradient-to: #312e81; }

/* Borders */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-white { border-color: #ffffff; }
.border-gray-700 { border-color: #374151; }
.border-t { border-top-width: 1px; }
.border-gray-800 { border-color: #1f2937; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

/* Effects */
.opacity-20 { opacity: 0.2; }
.opacity-50 { opacity: 0.5; }
.opacity-80 { opacity: 0.8; }

.backdrop-blur-sm { backdrop-filter: blur(4px); }

.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }

/* Interactive */
.cursor-pointer { cursor: pointer; }
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Transforms */
.transform { transform: translateX(var(--tw-translate-x, 0)) translateY(var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) skewX(var(--tw-skew-x, 0)) skewY(var(--tw-skew-y, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1)); }
.scale-105 { --tw-scale-x: 1.05; --tw-scale-y: 1.05; }
.hover\:scale-105:hover { --tw-scale-x: 1.05; --tw-scale-y: 1.05; }

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

/* Hover states */
.hover\:bg-yellow-500:hover { background-color: #eab308; }
.hover\:bg-white:hover { background-color: #ffffff; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-purple-700:hover { background-color: #7c3aed; }
.hover\:text-black:hover { color: #000000; }
.hover\:text-yellow-400:hover { color: #fbbf24; }

/* Focus states */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:border-yellow-400:focus { border-color: #fbbf24; }

/* Display utilities */
.block { display: block; }
.hidden { display: none; }

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:flex { display: flex; }
    .md\:block { display: block; }
}

/* Responsive spacing */
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

@media (min-width: 640px) {
    .sm\:flex-row { flex-direction: row; }
}

/* Responsive sizing */
@media (min-width: 640px) {
    .sm\:flex-row { flex-direction: row; }
}

/* Space utilities */
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }
.space-x-8 > :not([hidden]) ~ :not([hidden]) { margin-left: 2rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }

/* Animations */
.animate-bounce {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: none;
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}