/* ==========================================================================
   PremiumLinkGenerator.net - Optimized Core Stylesheet (Pure CSS)
   Zero runtime JS overhead | Instant FCP / LCP | 100% WCAG AA Compliant
   ========================================================================== */

/* Modern CSS Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-width: 0;
  border-style: solid;
  border-color: #e5e7eb;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: inherit;
  font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, p, ul, ol {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: inherit;
}

svg {
  display: block;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Custom Text Selection */
::selection {
  background-color: #6366f1;
  color: #ffffff;
}

.selection\:bg-indigo-500::selection {
  background-color: #6366f1;
}

.selection\:text-white::selection {
  color: #ffffff;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Hero Pattern Background */
.bg-hero-pattern {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
}

/* Position & Display */
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }
.fixed { position: fixed; }
.inset-0 { inset: 0px; }
.top-0 { top: 0px; }
.top-1\.5 { top: 0.375rem; }
.right-1\.5 { right: 0.375rem; }
.top-1\/2 { top: 50%; }
.left-1\/3 { left: 33.333333%; }
.right-1\/3 { right: 33.333333%; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.-z-0 { z-index: 0; }

.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0, .shrink-0 { flex-shrink: 0; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }

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

/* Gaps & Spacing Helpers */
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }

.space-x-8 > :not([hidden]) ~ :not([hidden]) { margin-left: 2rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-12 > :not([hidden]) ~ :not([hidden]) { margin-top: 3rem; }

/* Width & Height */
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-full { width: 100%; }

.h-0\.5 { height: 0.125rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-full { height: 100%; }

/* Max Width */
.max-w-sm { max-width: 24rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }

/* Margin */
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.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; }
.ml-1 { margin-left: 0.25rem; }

/* Padding */
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.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-8 { padding-left: 2rem; padding-right: 2rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.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-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pt-8 { padding-top: 2rem; }

/* Typography */
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-\[10px\] { font-size: 10px; line-height: 14px; }
.text-\[13px\] { font-size: 13px; line-height: 18px; }
.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-center { text-align: center; }
.text-left { text-align: left; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase { text-transform: uppercase; }
.not-italic { font-style: normal; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }

.line-clamp-1 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  line-clamp: 1;
}

/* Text Colors */
.text-white { color: #ffffff; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }
.text-green-400 { color: #4ade80; }
.text-green-700 { color: #15803d; }
.text-emerald-800 { color: #065f46; }
.text-indigo-100 { color: #e0e7ff; }
.text-indigo-200 { color: #c7d2fe; }
.text-indigo-400 { color: #818cf8; }
.text-indigo-600 { color: #4f46e5; }
.text-indigo-700 { color: #4338ca; }

/* Background Colors */
.bg-white { background-color: #ffffff; }
.bg-black { background-color: #000000; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-900 { background-color: #111827; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-emerald-700 { background-color: #047857; }
.bg-indigo-50 { background-color: #eef2ff; }
.bg-indigo-100 { background-color: #e0e7ff; }
.bg-indigo-600 { background-color: #4f46e5; }
.bg-indigo-500\/30 { background-color: rgba(99, 102, 241, 0.3); }

/* Borders & Rings */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }

.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-800 { border-color: #1f2937; }
.border-emerald-400 { border-color: #34d399; }
.border-indigo-100 { border-color: #e0e7ff; }
.border-indigo-200 { border-color: #c7d2fe; }
.border-indigo-400\/30 { border-color: rgba(129, 140, 248, 0.3); }

.ring-1 { box-shadow: 0 0 0 1px var(--tw-ring-color, #e5e7eb); }
.ring-emerald-200 { --tw-ring-color: #a7f3d0; }
.ring-green-200 { --tw-ring-color: #bbf7d0; }

/* Border Radius */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.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-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }

/* Transforms & Utilities */
.opacity-20 { opacity: 0.2; }
.cursor-pointer { cursor: pointer; }
.overflow-hidden { overflow: hidden; }
.object-contain { object-fit: contain; }
.transform { transform: translate(var(--tw-translate-x, 0), var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1)); }
.-translate-y-1\/2 { transform: translateY(-50%); }

.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-shadow { transition-property: box-shadow; 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; }

/* Hover Effects */
.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:border-emerald-500:hover { border-color: #10b981; }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.hover\:text-indigo-400:hover { color: #818cf8; }
.hover\:text-indigo-600:hover { color: #4f46e5; }

.group:hover .group-hover\:scale-110 {
  transform: scale(1.1);
}

.group:hover .group-hover\:text-emerald-950 {
  color: #022c22;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (min-width: 375px) {
  .min-\[375px\]\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
}

@media (min-width: 640px) {
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:px-4 { padding-left: 1rem; padding-right: 1rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
  .sm\:w-4 { width: 1rem; }
  .sm\:w-8 { width: 2rem; }
  .sm\:h-4 { height: 1rem; }
  .sm\:h-8 { height: 2rem; }
  .sm\:gap-2 { gap: 0.5rem; }
}

@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:flex-row { flex-direction: row; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:w-1\/3 { width: 33.333333%; }
  .md\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .md\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .md\:text-5xl { font-size: 3rem; line-height: 1; }
  .md\:text-left { text-align: left; }
  .md\:gap-12 { gap: 3rem; }
  .md\:mt-0 { margin-top: 0px; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .lg\:text-6xl { font-size: 3.75rem; line-height: 1; }
}