/* --- Basic Setup & Typography --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.6;
    background-color: #ffffff;
    color: #1c1c1e;
    margin: 0;
    padding: 0;
}

/* --- Main Content Container --- */
.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 25px;
}

/* --- Headings --- */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 0.5em;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 2.5em;
    /* Extra space above major sections */
    margin-bottom: 1em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #e0e0e0;
    /* Subtle line for section separation */
}

h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.75em;
    color: #3c3c3e;
    /* Softer color for subheadings */
}

/* --- Paragraphs and Text Elements --- */
p {
    font-size: 1rem;
    margin-bottom: 1.2em;
}

.last-updated {
    color: #3c3c3e;
    margin-bottom: 2.5em;
}

strong {
    font-weight: 700;
    color: #1c1c1e;
}

/* --- List Styling --- */
ul {
    list-style-type: disc;
    padding-left: 25px;
    margin-bottom: 1.5em;
}

li {
    margin-bottom: 1.2em;
    /* Good spacing between list items */
}

/* --- Special Element Styling --- */
code {
    background-color: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "SF Mono", "Menlo", "Monaco", "Consolas", monospace;
    font-size: 0.9em;
}

.optional-section {
    font-style: italic;
    color: #6c6c70;
    margin-top: 2em;
}

/* --- Responsive Design for Smaller Screens --- */
@media (max-width: 600px) {
    .container {
        margin: 20px auto;
        padding: 0 15px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.2rem;
    }
}