/* MicroSaaSBuilder — simple, clean, minimal */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
    font-family: Arial, sans-serif;
    color: #111;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    border-bottom: 1px solid #e5e5e5;
    padding: 32px 0;
    margin-bottom: 48px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: #111;
}

.nav a {
    text-decoration: none;
    color: #555;
    font-size: 0.9rem;
}

.nav a:hover { color: #111; }

h1 { font-size: 2.5rem; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 16px; }
h2 { font-size: 1.5rem; letter-spacing: -0.02em; margin: 40px 0 16px; }

p { color: #444; margin-bottom: 16px; max-width: 640px; }

.lead { font-size: 1.125rem; color: #555; }

a { color: #000; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.card {
    border: 1px solid #e5e5e5;
    padding: 32px;
    margin: 32px 0;
    border-radius: 8px;
    background: #fff;
}

.btn {
    display: inline-block;
    background: #111;
    color: #fff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
}

.btn:hover { background: #333; }

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: #333;
}

.field input,
.field textarea {
    width: 100%;
    border: 1px solid #d4d4d4;
    background: #fff;
    color: #111;
    font-family: inherit;
    font-size: 1rem;
    padding: 10px 12px;
    border-radius: 6px;
}

.field input:focus,
.field textarea:focus {
    outline: 2px solid #111;
    border-color: #111;
}

.ok { color: #0a7a0a; margin-top: 12px; }
.err { color: #b00020; margin-top: 12px; }

footer {
    border-top: 1px solid #e5e5e5;
    padding: 40px 0;
    color: #777;
    font-size: 0.85rem;
    margin-top: 64px;
}

footer p { max-width: none; margin-bottom: 8px; }

pre {
    background: #f5f5f5;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

code {
    font-family: "Courier New", monospace;
    font-size: 0.875em;
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
}

@media (max-width: 600px) {
    .container { padding: 0 16px; }
    h1 { font-size: 1.75rem; }
    header { padding: 24px 0; margin-bottom: 32px; }
    .card { padding: 24px; }
}