<style>
        /* ==================== RESET & BASE ==================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --black: #0a0a0a;
            --white: #fafafa;
            --gray: #4a4a4a;
            --gray-light: #e0e0e0;
            --grid: 8px;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            font-size: 18px;
            line-height: 1.6;
            color: var(--black);
            background-color: var(--white);
        }

        /* ==================== TYPOGRAPHY ==================== */
        h1, h2, h3 {
            font-family: Georgia, "Times New Roman", serif;
            font-weight: 400;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        h1 {
            font-size: 56px;
            margin-bottom: calc(var(--grid) * 4);
        }

        h2 {
            font-size: 42px;
            margin-bottom: calc(var(--grid) * 3);
        }

        h3 {
            font-size: 24px;
            margin-bottom: calc(var(--grid) * 2);
        }

        p {
            max-width: 60ch;
            margin-bottom: calc(var(--grid) * 3);
        }

        code, .mono {
            font-family: "SF Mono", Monaco, "Cascadia Code", "Courier New", monospace;
            font-size: 0.9em;
            letter-spacing: -0.01em;
        }

        .large {
            font-size: 24px;
            line-height: 1.5;
        }

        .muted {
            color: var(--gray);
        }

        .small {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 500;
        }

        /* ==================== LAYOUT ==================== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 calc(var(--grid) * 4);
        }

        .narrow {
            max-width: 800px;
        }

        section {
            padding: calc(var(--grid) * 15) 0;
            border-bottom: 1px solid var(--gray-light);
        }

        section:last-of-type {
            border-bottom: none;
        }

        .section-label {
            margin-bottom: calc(var(--grid) * 6);
        }

        /* ==================== COMPONENTS ==================== */
        .button {
            display: inline-block;
            padding: calc(var(--grid) * 2) calc(var(--grid) * 4);
            border: 1px solid var(--black);
            background: transparent;
            color: var(--black);
            text-decoration: none;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .button:hover {
            background: var(--black);
            color: var(--white);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: calc(var(--grid) * 8);
            margin-bottom: calc(var(--grid) * 6);
        }

        .principle {
            margin-bottom: calc(var(--grid) * 6);
        }

        .principle-title {
            font-weight: 600;
            margin-bottom: calc(var(--grid) * 1);
        }

        .principle-description {
            color: var(--gray);
            margin-bottom: 0;
        }

        .loop {
            display: flex;
            align-items: center;
            gap: calc(var(--grid) * 3);
            margin: calc(var(--grid) * 6) 0;
            font-family: "SF Mono", Monaco, monospace;
            font-size: 20px;
        }

        .loop-arrow {
            color: var(--gray);
        }

        ul.clean {
            list-style: none;
            margin-bottom: calc(var(--grid) * 4);
        }

        ul.clean li {
            margin-bottom: calc(var(--grid) * 2);
            padding-left: calc(var(--grid) * 3);
            position: relative;
        }

        ul.clean li:before {
            content: "—";
            position: absolute;
            left: 0;
            color: var(--gray);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 768px) {
            h1 {
                font-size: 40px;
            }

            h2 {
                font-size: 32px;
            }

            .grid-2 {
                grid-template-columns: 1fr;
                gap: calc(var(--grid) * 6);
            }

            .loop {
                flex-direction: column;
                align-items: flex-start;
                gap: calc(var(--grid) * 2);
            }

            .loop-arrow {
                transform: rotate(90deg);
            }

            section {
                padding: calc(var(--grid) * 10) 0;
            }
        }
    </style>
    <style> /* ==================== RESET & BASE ==================== */ * { margin: 0; padding: 0; box-sizing: border-box; } :root { --black: #0a0a0a; --white: #fafafa; --gray: #4a4a4a; --gray-light: #e0e0e0; --grid: 8px; } html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 18px; line-height: 1.6; color: var(--black); background-color: var(--white); } /* ==================== TYPOGRAPHY ==================== */ h1, h2, h3, h4 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; line-height: 1.2; letter-spacing: -0.02em; } h1 { font-size: 56px; margin-bottom: calc(var(--grid) * 4); } h2 { font-size: 36px; margin-bottom: calc(var(--grid) * 3); margin-top: calc(var(--grid) * 8); } h3 { font-size: 24px; margin-bottom: calc(var(--grid) * 2); margin-top: calc(var(--grid) * 6); } h4 { font-size: 20px; margin-bottom: calc(var(--grid) * 2); margin-top: calc(var(--grid) * 4); } p { max-width: 65ch; margin-bottom: calc(var(--grid) * 3); } code, .mono { font-family: "SF Mono", Monaco, "Cascadia Code", "Courier New", monospace; font-size: 0.9em; letter-spacing: -0.01em; } .large { font-size: 24px; line-height: 1.5; } .muted { color: var(--gray); } .small { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; } strong { font-weight: 600; } em { font-style: italic; color: var(--gray); } /* ==================== LAYOUT ==================== */ .container { max-width: 800px; margin: 0 auto; padding: calc(var(--grid) * 8) calc(var(--grid) * 4); } nav { margin-bottom: calc(var(--grid) * 8); padding-bottom: calc(var(--grid) * 3); border-bottom: 1px solid var(--gray-light); } nav a { color: var(--gray); text-decoration: none; font-size: 14px; letter-spacing: 0.02em; } nav a:hover { color: var(--black); } .rule { width: 100%; height: 1px; background: var(--gray-light); margin: calc(var(--grid) * 8) 0; } ul, ol { margin-bottom: calc(var(--grid) * 3); margin-left: calc(var(--grid) * 3); } li { margin-bottom: calc(var(--grid) * 2); } blockquote { border-left: 2px solid var(--black); padding-left: calc(var(--grid) * 3); margin: calc(var(--grid) * 4) 0; font-style: italic; color: var(--gray); } .box { border: 1px solid var(--gray-light); padding: calc(var(--grid) * 4); margin: calc(var(--grid) * 6) 0; background: #fcfcfc; } .box h4 { margin-top: 0; } /* ==================== RESPONSIVE ==================== */ @media (max-width: 768px) { h1 { font-size: 40px; } h2 { font-size: 28px; } .container { padding: calc(var(--grid) * 6) calc(var(--grid) * 3); } } </style>