*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1f2937; background: #fff; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
ul { padding-left: 0; list-style: none; }

.sticky { position: sticky; }
.relative { position: relative; }
.absolute { position: absolute; }
.top-0 { top: 0; }
.-top-4 { top: -1rem; }
.left-1\/2 { left: 50%; }
.-translate-x-1\/2 { transform: translateX(-50%); }
.z-50 { z-index: 50; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.shrink-0 { flex-shrink: 0; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.space-y-3 > * + * { margin-top: .75rem; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mx-2 { margin-left: .5rem; margin-right: .5rem; }
.mt-0\.5 { margin-top: .125rem; }
.mt-2 { margin-top: .5rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-10 { margin-top: 2.5rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-14 { margin-bottom: 3.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1\.5 { padding-top: .375rem; padding-bottom: .375rem; }
.py-2 { padding-top: .5rem; padding-bottom: .5rem; }
.py-2\.5 { padding-top: .625rem; padding-bottom: .625rem; }
.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; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.max-w-lg { max-width: 32rem; }
.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-6xl { max-width: 72rem; }
.w-full { width: 100%; }
.h-2 { height: .5rem; }
.w-2 { width: .5rem; }
.h-12 { height: 3rem; }
.w-12 { width: 3rem; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-xs { font-size: .75rem; }
.text-sm { font-size: .875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; line-height: 1.2; }
.text-4xl { font-size: 2.25rem; line-height: 1.1; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.leading-tight { line-height: 1.1; }

.text-white { color: #fff; }
.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-gray-900 { color: #111827; }
.text-teal-100 { color: #ccfbf1; }
.text-teal-200 { color: #99f6e4; }
.text-teal-700 { color: #0f766e; }
.text-green-500 { color: #22c55e; }
.text-green-800 { color: #166534; }
.text-green-900 { color: #14532d; }

.bg-white { background: #fff; }
.bg-white\/10 { background: rgba(255,255,255,.1); }
.bg-white\/20 { background: rgba(255,255,255,.2); }
.bg-gray-50 { background: #f9fafb; }
.bg-gray-900 { background: #111827; }
.bg-teal-50 { background: #f0fdfa; }
.bg-teal-100 { background: #ccfbf1; }
.bg-teal-600 { background: #0d9488; }
.bg-teal-700 { background: #0f766e; }
.bg-green-50 { background: #f0fdf4; }
.bg-green-400 { background: #4ade80; }
.bg-red-100 { background: #fee2e2; }
.bg-orange-100 { background: #ffedd5; }
.bg-blue-50 { background: #eff6ff; }
.bg-blue-100 { background: #dbeafe; }
.bg-blue-700 { background: #1d4ed8; }

.border { border-width: 1px; border-style: solid; }
.border-2 { border-width: 2px; border-style: solid; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; border-top-style: solid; border-bottom-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-white\/40 { border-color: rgba(255,255,255,.4); }
.border-gray-100 { border-color: #f3f4f6; }
.border-red-100 { border-color: #fee2e2; }
.border-teal-600 { border-color: #0d9488; }
.border-green-100 { border-color: #dcfce7; }
.border-blue-100 { border-color: #dbeafe; }
.rounded-lg { border-radius: .5rem; }
.rounded-xl { border-radius: .75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }
.shadow-sm { box-shadow: 0 1px 3px rgba(15,23,42,.08); }
.shadow-lg { box-shadow: 0 10px 20px rgba(15,23,42,.18); }
.shadow-xl { box-shadow: 0 20px 35px rgba(15,23,42,.14); }
.transition { transition: background-color .18s ease, color .18s ease, transform .18s ease; }
.feature-card { transition: transform .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.1); }
.hover\:bg-teal-50:hover { background: #f0fdfa; }
.hover\:bg-teal-800:hover { background: #115e59; }
.hover\:bg-blue-800:hover { background: #1e40af; }
.hover\:bg-white\/10:hover { background: rgba(255,255,255,.1); }
.hover\:text-white:hover { color: #fff; }

.gradient-hero { background: linear-gradient(135deg, #064e3b 0%, #0f766e 60%, #14b8a6 100%); }
.animate-pulse { animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .45; } }

@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)); }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .sm\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .sm\:py-28 { padding-top: 7rem; padding-bottom: 7rem; }
  .sm\:text-xl { font-size: 1.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; }
  .sm\:text-5xl { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:text-6xl { font-size: 3.75rem; }
}