* {
    box-sizing: border-box;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
    border: 0;
}

input {
    outline: none;
}

.bg-slate-50 { background-color: #f8fafc; }
.bg-white { background-color: #ffffff; }
.bg-emerald-600 { background-color: #059669; }
.hover\:bg-emerald-700:hover { background-color: #047857; }

.text-slate-900 { color: #0f172a; }
.text-slate-700 { color: #334155; }
.text-slate-600 { color: #475569; }
.text-slate-500 { color: #64748b; }
.text-emerald-600 { color: #059669; }
.text-red-500 { color: #ef4444; }
.text-white { color: #ffffff; }
.hover\:text-emerald-600:hover { color: #059669; }
.hover\:text-slate-700:hover { color: #334155; }

.border { border: 1px solid #e5e7eb; }
.border-b { border-bottom: 1px solid #e5e7eb; }
.border-t { border-top: 1px solid #e5e7eb; }
.border-slate-200 { border-color: #e2e8f0; }
.focus\:border-emerald-500:focus { border-color: #10b981; }
.focus\:outline-none:focus { outline: none; }

.shadow-sm {
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.max-w-md { max-width: 28rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }

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

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

.gap-3 { gap: 0.75rem; }
.gap-8 { gap: 2rem; }

.space-y-6 > * + * {
    margin-top: 1.5rem;
}

.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }

.px-5 {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-12 {
    padding-left: 3rem;
    padding-right: 3rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-5 {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.py-24 {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.mt-6 { margin-top: 1.5rem; }
.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-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }

.ml-2 { margin-left: 0.5rem; }

.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }

.text-center { text-align: center; }

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.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;
}

.text-6xl {
    font-size: 3.75rem;
    line-height: 1;
}

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.tracking-tight {
    letter-spacing: -0.025em;
}

.transition {
    transition-property: color, background-color, border-color, opacity, box-shadow, transform;
    transition-duration: 150ms;
    transition-timing-function: ease-in-out;
}

.prose {
    color: #334155;
}

.prose h1 {
    color: #0f172a;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.prose p {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .text-6xl {
        font-size: 3rem;
    }

    .text-5xl {
        font-size: 2.5rem;
    }

    .text-4xl {
        font-size: 2rem;
    }

    .text-3xl {
        font-size: 1.65rem;
    }

    nav .flex {
        flex-wrap: wrap;
    }
}