/* Layout helpers */
.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.p-6 { padding: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.max-w-md { max-width: 28rem; }

/* Spacing */
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-10 { margin-top: 2.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }

/* Sizing */
.h-24 { height: 6rem; }
.w-24 { width: 6rem; }

/* Typography */
.text-3xl { font-size: 1.875rem; font-weight: 600; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-sm { font-size: 0.875rem; }
.leading-relaxed { line-height: 1.65; }

/* Colors */
.bg-main { background-color: #E6F4F1; } /* soft sky green */
.text-green { color: #2F5D3A; }          /* forest green */
.text-bark { color: #3A2F28; }           /* deep bark */
.bg-white { background: white; }
.text-gray { color: rgba(0,0,0,0.5); }

/* Box */
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }
.shadow-sm { 
  box-shadow: 0 1px 2px rgba(0,0,0,0.05); 
}

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