/**
 * Pure CSS Tailwind v4 Emulation for Ngan Ha Shipping Theme
 * High performance, zero runtime overhead, responsive utility classes
 */

:root {
  --color-primary: #dc2626;
  --color-primary-dark: #b91c1c;
  --color-primary-light: #ef4444;
  --color-primary-subtle: #fee2e2;
  --color-secondary: #0f4c3a;
  --color-secondary-hover: #093327;
  --color-secondary-dark: #093327;
  --color-secondary-light: #186b53;
  --color-secondary-subtle: #e8f5f1;
  --color-accent: #f59e0b;
  --color-dark: #111827;
  
  --font-sans: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base resets & typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden;
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  color: #1f2937;
  background-color: #ffffff;
  scroll-behavior: smooth;
}

body {
  position: relative;
  width: 100%;
  font-size: 15px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

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

/* Important: SVG should default to inline-block, not block 100% width! */
svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Container */
.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: 1240px; } }
@media (min-width: 1440px) { .container { max-width: 1320px; } }

/* Display & Flex */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none !important; }

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.flex-shrink-0,
.shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* Grid Columns */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.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)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 768px) {
  .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .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\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .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\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-7 { grid-column: span 7 / span 7; }
.col-span-8 { grid-column: span 8 / span 8; }
.col-span-9 { grid-column: span 9 / span 9; }
.col-span-12 { grid-column: span 12 / span 12; }

/* Gaps */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* Spacing */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.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; }
.p-10 { padding: 2.5rem; }

.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-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-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.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-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-5 { padding-top: 1.25rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pt-12 { padding-top: 3rem; }
.pt-16 { padding-top: 4rem; }

.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-5 { padding-bottom: 1.25rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-8 { padding-bottom: 2rem; }
.pb-12 { padding-bottom: 3rem; }
.pb-16 { padding-bottom: 4rem; }

.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-3 { margin-top: 0.75rem; margin-bottom: 0.75rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }

.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-auto { margin-top: auto; }

/* Precise Width & Height utilities */
.w-3 { width: 0.75rem; }
.w-3\.5 { width: 0.875rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-8 { width: 2rem; }
.w-9 { width: 2.25rem; }
.w-10 { width: 2.5rem; }
.w-11 { width: 2.75rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-full { width: 100%; }
.w-auto { width: auto; }

.h-3 { height: 0.75rem; }
.h-3\.5 { height: 0.875rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-9 { height: 2.25rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-full { height: 100%; }
.h-auto { height: auto; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.top-2 { top: 0.5rem; }
.top-3 { top: 0.75rem; }
.top-1\/2 { top: 50%; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.left-3 { left: 0.75rem; }
.right-0 { right: 0; }
.right-1\.5 { right: 0.375rem; }
.right-2 { right: 0.5rem; }
.right-3 { right: 0.75rem; }
.-translate-y-1\/2 { transform: translateY(-50%); }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Colors & Backgrounds */
.bg-primary { background-color: var(--color-primary); }
.bg-primary-dark { background-color: var(--color-primary-dark); }
.bg-primary-light { background-color: var(--color-primary-light); }
.bg-primary-subtle { background-color: var(--color-primary-subtle); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-secondary-dark { background-color: var(--color-secondary-dark); }
.bg-secondary-light { background-color: var(--color-secondary-light); }
.bg-secondary-subtle { background-color: var(--color-secondary-subtle); }
.bg-white { background-color: #ffffff; }
.bg-black { background-color: #000000; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-800 { background-color: #1f2937; }
.bg-gray-900 { background-color: #111827; }

/* Emerald tints */
.bg-emerald-50 { background-color: #ecfdf5; }
.bg-emerald-100 { background-color: #d1fae5; }
.bg-emerald-600 { background-color: #059669; }
.text-emerald-100 { color: #d1fae5; }
.text-emerald-200 { color: #a7f3d0; }
.text-emerald-300 { color: #6ee7b7; }
.text-emerald-400 { color: #34d399; }
.text-emerald-500 { color: #10b981; }
.text-emerald-600 { color: #059669; }
.text-emerald-700 { color: #047857; }

/* Red tints */
.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }
.text-red-100 { color: #fee2e2; }
.text-red-200 { color: #fecaca; }
.text-red-300 { color: #fca5a5; }
.text-red-400 { color: #f87171; }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }
.text-red-800 { color: #991b1b; }
.text-red-900 { color: #7f1d1d; }

/* Blue & Amber */
.bg-blue-100 { background-color: #dbeafe; }
.text-blue-600 { color: #2563eb; }
.bg-amber-100 { background-color: #fef3c7; }
.text-amber-500 { color: #f59e0b; }
.text-amber-600 { color: #d97706; }
.bg-green-100 { background-color: #dcfce7; }
.text-green-600 { color: #16a34a; }
.text-green-800 { color: #166534; }

.text-primary { color: var(--color-primary); }
.text-primary-dark { color: var(--color-primary-dark); }
.text-secondary { color: var(--color-secondary); }
.text-secondary-dark { color: var(--color-secondary-dark); }
.text-white { color: #ffffff; }
.text-gray-900 { color: #111827; }
.text-gray-800 { color: #1f2937; }
.text-gray-700 { color: #374151; }
.text-gray-600 { color: #4b5563; }
.text-gray-500 { color: #6b7280; }
.text-gray-400 { color: #9ca3af; }

/* 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: 1.1; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.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; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }

.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Borders & Radius */
.border { border: 1px solid #e5e7eb; }
.border-2 { border: 2px solid #e5e7eb; }
.border-4 { border: 4px solid #e5e7eb; }
.border-t { border-top: 1px solid #e5e7eb; }
.border-t-4 { border-top: 4px solid #e5e7eb; }
.border-b { border-bottom: 1px solid #e5e7eb; }
.border-b-2 { border-bottom: 2px solid #e5e7eb; }
.border-l-4 { border-left: 4px solid #e5e7eb; }
.border-dashed { border-style: dashed; }

.border-primary { border-color: var(--color-primary); }
.border-secondary { border-color: var(--color-secondary); }
.border-emerald-200 { border-color: #a7f3d0; }
.border-emerald-300 { border-color: #6ee7b7; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-gray-700 { border-color: #374151; }
.border-gray-800 { border-color: #1f2937; }

.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: 4px; }
.rounded { border-radius: 6px; }
.rounded-md { border-radius: 8px; }
.rounded-lg { border-radius: 12px; }
.rounded-xl { border-radius: 16px; }
.rounded-2xl { border-radius: 20px; }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transitions */
.transition-all { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.transition-colors { transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease; }
.transition-transform { transition: transform 0.3s ease; }

.hover\:-translate-y-1:hover { transform: translateY(-4px); }
.hover\:-translate-y-2:hover { transform: translateY(-8px); }
.hover\:scale-105:hover { transform: scale(1.05); }

.overflow-hidden { overflow: hidden; }
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Responsive Media Queries */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
  .sm\:block { display: block; }
  .sm\:inline-block { display: inline-block; }
  .sm\:flex { display: flex; }
  .sm\:hidden { display: none; }
  .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
}

@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\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .md\:col-span-3 { grid-column: span 3 / span 3; }
  .md\:col-span-4 { grid-column: span 4 / span 4; }
  .md\:col-span-6 { grid-column: span 6 / span 6; }
  .md\:col-span-8 { grid-column: span 8 / span 8; }
  .md\:col-span-9 { grid-column: span 9 / span 9; }
  .md\:flex-row { flex-direction: row; }
  .md\:block { display: block; }
  .md\:inline-flex { display: inline-flex; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .md\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
}

@media (min-width: 1024px) {
  .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\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:col-span-4 { grid-column: span 4 / span 4; }
  .lg\:col-span-5 { grid-column: span 5 / span 5; }
  .lg\:col-span-7 { grid-column: span 7 / span 7; }
  .lg\:col-span-8 { grid-column: span 8 / span 8; }
  .lg\:col-span-9 { grid-column: span 9 / span 9; }
  .lg\:block { display: block !important; }
  .lg\:flex { display: flex !important; }
  .lg\:inline-flex { display: inline-flex !important; }
  .lg\:hidden { display: none !important; }
  .lg\:gap-10 { gap: 2.5rem; }
  .lg\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .lg\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .lg\:text-5xl { font-size: 3rem; line-height: 1.1; }
  .lg\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
}

@media (min-width: 640px) {
  .sm\:btn-md { padding: 10px 22px; font-size: 14px; }
  .sm\:gap-4 { gap: 1rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:p-10 { padding: 2.5rem; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
}

@media (min-width: 1280px) {
  .xl\:flex { display: flex; }
}

/* ==========================================================================
   Extended Utility Classes (Tailwind v4 Emulation)
   ========================================================================== */

/* Aspect Ratios */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-\[16\/10\] { aspect-ratio: 16 / 10; }

/* Colors & Gradients */
.bg-gray-950 { background-color: #030712; }
.bg-black\/40 { background-color: rgba(0, 0, 0, 0.4); }
.bg-black\/60 { background-color: rgba(0, 0, 0, 0.6); }
.text-gray-200 { color: #e5e7eb; }
.text-gray-300 { color: #d1d5db; }
.text-\[10px\] { font-size: 10px; line-height: 14px; }
.text-\[11px\] { font-size: 11px; line-height: 15px; }
.placeholder-gray-500::placeholder { color: #6b7280; }

.bg-gradient-to-t {
  background-image: linear-gradient(to top, var(--tw-gradient-stops, var(--tw-gradient-from, transparent), var(--tw-gradient-to, transparent)));
}
.from-black\/85 {
  --tw-gradient-from: rgba(0, 0, 0, 0.85);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(0, 0, 0, 0));
}
.via-black\/30 {
  --tw-gradient-stops: var(--tw-gradient-from, rgba(0, 0, 0, 0)), rgba(0, 0, 0, 0.3), var(--tw-gradient-to, rgba(0, 0, 0, 0));
}
.to-transparent {
  --tw-gradient-to: transparent;
}

/* Borders & Dividers */
.border-y { border-top-width: 1px; border-bottom-width: 1px; }
.border-l-2 { border-left-width: 2px; }
.border-primary\/20 { border-color: rgba(220, 38, 38, 0.2); }
.border-secondary\/20 { border-color: rgba(15, 76, 58, 0.2); }
.border-red-200 { border-color: #fecaca; }
.border-gray-800\/80 { border-color: rgba(31, 41, 55, 0.8); }
.rounded-t-xl { border-top-left-radius: 12px; border-top-right-radius: 12px; }

.divide-y > :not([hidden]) ~ :not([hidden]) {
  border-top-width: 1px;
  border-style: solid;
}
.divide-gray-200 > :not([hidden]) ~ :not([hidden]) {
  border-color: #e5e7eb;
}

/* Spacing Utilities */
.gap-2\.5 { gap: 0.625rem; }
.gap-x-3 { column-gap: 0.75rem; }
.gap-y-1 { row-gap: 0.25rem; }

.p-3\.5 { padding: 0.875rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }

.pb-3 { padding-bottom: 0.75rem; }
.pl-2 { padding-left: 0.5rem; }
.pl-3 { padding-left: 0.75rem; }
.pl-4 { padding-left: 1rem; }
.pl-5 { padding-left: 1.25rem; }
.pr-8 { padding-right: 2rem; }
.pr-10 { padding-right: 2.5rem; }

.mr-1 { margin-right: 0.25rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.mt-10 { margin-top: 2.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mb-14 { margin-bottom: 3.5rem; }

/* Space-y Between Elements */
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.625rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }

/* Sizing & Positioning */
.h-48 { height: 12rem; }
.w-40 { width: 10rem; }
.top-2\.5 { top: 0.625rem; }
.right-2\.5 { right: 0.625rem; }
.min-h-\[360px\] { min-height: 360px; }
.min-h-\[380px\] { min-height: 380px; }
.max-w-5xl { max-width: 64rem; }
.max-w-none { max-width: none; }
.cursor-pointer { cursor: pointer; }
.overflow-x-auto { overflow-x: auto; }
.whitespace-nowrap { white-space: nowrap; }
.font-sans { font-family: var(--font-sans); }
.list-disc { list-style-type: disc; }
.list-none { list-style-type: none; }

/* Transitions & Animations */
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }

.animate-bounce {
  animation: twBounce 1s infinite;
}
.animate-pulse {
  animation: twPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes twBounce {
  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);
  }
}

@keyframes twPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* Pseudo-classes: Hover, Focus & Group */
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:bg-primary:hover { background-color: var(--color-primary); }
.hover\:bg-secondary:hover { background-color: var(--color-secondary); }
.hover\:border-primary:hover { border-color: var(--color-primary); }
.hover\:border-secondary:hover { border-color: var(--color-secondary); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-lg); }
.hover\:text-emerald-400:hover { color: #34d399; }
.hover\:text-red-400:hover { color: #f87171; }
.hover\:text-gray-700:hover { color: #374151; }
.hover\:text-primary:hover { color: var(--color-primary); }
.hover\:text-primary-dark:hover { color: var(--color-primary-dark); }
.hover\:text-secondary:hover { color: var(--color-secondary); }
.hover\:text-white:hover { color: #ffffff; }
.hover\:underline:hover { text-decoration: underline; }

.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:border-primary:focus { border-color: var(--color-primary); }
.focus\:border-secondary:focus { border-color: var(--color-secondary); }
.focus\:w-52:focus { width: 13rem; }

.group { position: relative; }
.group:hover .group-hover\:bg-primary-dark { background-color: var(--color-primary-dark); }
.group:hover .group-hover\:bg-secondary { background-color: var(--color-secondary); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:text-primary { color: var(--color-primary); }
.group:hover .group-hover\:text-secondary { color: var(--color-secondary); }

.active { display: block; }

/* Forms Components */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  background-color: #ffffff;
  color: #111827;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}
.search-form { position: relative; }

/* Breadcrumb, Prose & Article Typography */
.site-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: #6b7280; }
.site-breadcrumb a { color: #4b5563; }
.site-breadcrumb a:hover { color: var(--color-primary); }
.site-breadcrumb .separator { color: #9ca3af; font-size: 12px; }

.entry-content, .prose { line-height: 1.8; color: #374151; }
.prose h2 { font-size: 1.5rem; font-weight: 800; color: #111827; margin-top: 1.75rem; margin-bottom: 0.75rem; }
.prose h3 { font-size: 1.25rem; font-weight: 700; color: #111827; margin-top: 1.5rem; margin-bottom: 0.5rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin-left: 1.5rem; margin-bottom: 1.25rem; }
.prose li { margin-bottom: 0.5rem; }

/* TOC (Table of Contents) */
.toc-box { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px 20px; margin-bottom: 24px; }
.toc-title { font-size: 15px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.toc-list { list-style: none; padding-left: 0; margin-bottom: 0; }
.toc-list li { margin-bottom: 6px; font-size: 13.5px; }
.toc-list a { color: #374151; transition: color 0.2s; }
.toc-list a:hover { color: var(--color-primary); text-decoration: underline; }

/* Tabs Component */
.tabs-nav { display: flex; gap: 8px; border-bottom: 2px solid #e5e7eb; margin-bottom: 20px; overflow-x: auto; }
.tab-btn { padding: 10px 18px; font-weight: 700; font-size: 14px; color: #6b7280; border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; transition: all 0.2s; white-space: nowrap; }
.tab-btn.active, .tab-btn:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Sticky Quote Box & Hero Typography */
.quote-box-sticky { position: sticky; top: 90px; }
.stat-counter { font-weight: 900; font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 9999px; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(4px); font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 16px; border: 1px solid rgba(255, 255, 255, 0.25); }
.hero-desc { font-size: 16px; line-height: 1.6; color: #d1fae5; margin-bottom: 24px; max-width: 600px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* Interactive Modals & Sliders Hooks */
.mobile-menu-toggle, .mobile-drawer-close, .filter-mobile-toggle, .open-quote-modal, .close-quote-modal { cursor: pointer; }
.hero-swiper, .gallery-main-swiper, .gallery-thumbs-swiper, .related-swiper, .partners-swiper { width: 100%; position: relative; }
.hero-swiper-button-next, .hero-swiper-button-prev, .gallery-next, .gallery-prev, .related-next, .related-prev { cursor: pointer; user-select: none; }
.hero-swiper-pagination { position: absolute; bottom: 20px !important; left: 0; width: 100%; display: flex; justify-content: center; gap: 8px; z-index: 10; }
.hero-swiper-pagination .swiper-pagination-bullet { width: 10px; height: 10px; background: rgba(255, 255, 255, 0.5); opacity: 1; border-radius: 9999px; transition: all 0.3s; }
.hero-swiper-pagination .swiper-pagination-bullet-active { width: 28px; background: var(--color-accent); border-radius: 9999px; }
.custom-logo-wrap { display: flex; align-items: center; }
.site-main { min-height: 50vh; }
.ajax-quote-form { display: block; position: relative; }
.filter-sidebar { background: #ffffff; border-radius: 12px; }