:root {
    --stock: #f4f1e8;
    --white: #fffef9;
    --ink: #11110f;
    --muted: #66645d;
    --signal: #ec4b2f;
    --yellow: #f1df72;
    --green: #173c35;
    --blue-grey: #b9c7d8;
    --rule: #11110f;
    --gutter: clamp(20px, 4vw, 64px);
    --sans: Arial, Helvetica, sans-serif;
    --condensed: "Arial Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
    --mono: "Courier New", Courier, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--stock);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, textarea:focus-visible, summary:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 8px;
    left: 8px;
    padding: 9px 12px;
    color: var(--white);
    background: var(--ink);
    font: 700 12px/1 var(--mono);
    transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: relative;
    z-index: 50;
    min-height: 104px;
    display: grid;
    grid-template-columns: minmax(190px, 1fr) minmax(190px, .8fr) auto;
    align-items: stretch;
    border-top: 8px solid var(--ink);
    border-bottom: 1px solid var(--rule);
    background: var(--stock);
}
.wordmark {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 16px var(--gutter);
    border-right: 1px solid var(--rule);
    text-decoration: none;
}
.wordmark-name {
    font-family: var(--condensed);
    font-size: 25px;
    font-stretch: condensed;
    font-weight: 900;
    letter-spacing: -.08em;
    line-height: .72;
}
.wordmark-tag {
    color: var(--muted);
    font: 11px/1.15 var(--mono);
    text-transform: uppercase;
}
.header-edition {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 16px 24px;
    border-right: 1px solid var(--rule);
    color: var(--muted);
    font: 11px/1.35 var(--mono);
    text-transform: uppercase;
}
.site-nav { display: flex; align-items: stretch; }
.site-nav a {
    min-width: 92px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border-right: 1px solid var(--rule);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .03em;
    text-decoration: none;
    text-transform: uppercase;
}
.site-nav a span { color: var(--muted); font: 10px/1 var(--mono); }
.site-nav a:hover { color: var(--white); background: var(--ink); }
.site-nav .nav-get { min-width: 128px; color: var(--white); background: var(--signal); }
.site-nav .nav-get:hover { color: var(--ink); background: var(--yellow); }
.menu-button { display: none; }

.hero {
    min-height: 760px;
    display: grid;
    grid-template-columns: 54px minmax(340px, .9fr) minmax(460px, 1.1fr);
    gap: clamp(30px, 5vw, 82px);
    align-items: center;
    padding: clamp(64px, 8vw, 118px) var(--gutter);
    border-bottom: 1px solid var(--rule);
}
.hero-index {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2px 0;
    border-right: 1px solid var(--rule);
    color: var(--muted);
    font: 10px/1 var(--mono);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}
.overline, .section-number {
    margin: 0 0 24px;
    font: 700 11px/1.15 var(--mono);
    letter-spacing: .04em;
    text-transform: uppercase;
}
.overline::before { content: "●"; margin-right: 10px; color: var(--signal); }
.hero h1 {
    margin: 0;
    font-family: var(--condensed);
    font-size: clamp(66px, 7.1vw, 116px);
    font-stretch: condensed;
    font-weight: 900;
    letter-spacing: -.075em;
    line-height: .78;
    text-transform: uppercase;
}
.hero h1 span {
    display: inline-block;
    margin-left: -.03em;
    padding: .08em .08em .03em .03em;
    color: var(--stock);
    background: var(--signal);
}
.hero-summary {
    max-width: 470px;
    margin: 36px 0 32px;
    padding-top: 14px;
    border-top: 1px solid var(--rule);
    font-size: 18px;
    line-height: 1.45;
}
.primary-link {
    min-width: 260px;
    display: inline-flex;
    justify-content: space-between;
    padding: 16px;
    border: 1px solid var(--rule);
    font: 700 12px/1 var(--mono);
    text-decoration: none;
    text-transform: uppercase;
}
.primary-link:hover { color: var(--white); background: var(--ink); }

.composer { border: 1px solid var(--rule); background: var(--white); }
.composer-bar, .code-label {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--rule);
    font: 700 10px/1 var(--mono);
}
.live-note {
    position: relative;
    aspect-ratio: 1.12;
    display: flex;
    align-items: center;
    padding: 10%;
    background: var(--yellow);
    transition: color 120ms linear, background-color 120ms linear;
}
.live-note textarea {
    width: 100%;
    min-height: 54%;
    padding: 0;
    overflow: hidden;
    border: 0;
    outline: 0;
    resize: none;
    color: inherit;
    background: transparent;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(30px, 3.1vw, 54px);
    font-weight: 700;
    letter-spacing: -.045em;
    line-height: 1.02;
    text-align: center;
}
.note-signature {
    position: absolute;
    right: 14px;
    bottom: 12px;
    font: 700 10px/1 var(--mono);
}
.note-signature.is-hidden { display: none; }
.composer-controls {
    min-height: 54px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    border-top: 1px solid var(--rule);
}
.swatches { display: flex; align-items: center; padding-left: 12px; }
.swatches > span { margin-right: 12px; font: 700 9px/1 var(--mono); }
.swatch {
    width: 22px;
    height: 22px;
    margin: 0 3px;
    padding: 0;
    border: 1px solid var(--rule);
    border-radius: 0;
    background: var(--swatch);
    cursor: pointer;
}
.swatch.is-active { outline: 2px solid var(--ink); outline-offset: 2px; }
.type-tools { display: flex; }
.type-tools button, .library-toolbar button, .library-row button {
    border: 0;
    border-left: 1px solid var(--rule);
    border-radius: 0;
    background: transparent;
    font: 700 9px/1 var(--mono);
    cursor: pointer;
}
.type-tools button { padding: 0 11px; }
.type-tools button:hover, .library-toolbar button:hover { color: var(--white); background: var(--ink); }

.principles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--rule);
}
.principles p {
    min-height: 82px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 0;
    padding: 18px var(--gutter);
    border-right: 1px solid var(--rule);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}
.principles p:last-child { border-right: 0; }
.principles span { color: var(--signal); font: 700 12px/1 var(--mono); }

.ruled-section {
    display: grid;
    grid-template-columns: minmax(290px, .72fr) minmax(0, 1.28fr);
    border-bottom: 1px solid var(--rule);
}
.section-header { padding: 72px var(--gutter) 86px; border-right: 1px solid var(--rule); }
.section-header h2, .privacy h2, .download h2 {
    max-width: 770px;
    margin: 0;
    font-family: var(--condensed);
    font-size: clamp(44px, 5vw, 78px);
    font-stretch: condensed;
    font-weight: 900;
    letter-spacing: -.065em;
    line-height: .9;
    text-transform: uppercase;
}
.section-header.compact h2 { font-size: clamp(40px, 4.2vw, 66px); }
.section-deck { max-width: 430px; margin: 30px 0 0; font-size: 16px; }

.method-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin: 0;
    padding: 0;
    list-style: none;
}
.method-list li {
    min-height: 270px;
    padding: 34px;
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}
.method-list li:nth-child(even) { border-right: 0; }
.method-list li:nth-last-child(-n+2) { border-bottom: 0; }
.method-number { color: var(--signal); font: 700 12px/1 var(--mono); }
.method-list h3 { margin: 70px 0 12px; font-size: 28px; letter-spacing: -.04em; }
.method-list p { max-width: 330px; margin: 0; color: var(--muted); font-size: 15px; }

.library-window { margin: 72px var(--gutter) 86px; border: 1px solid var(--rule); background: var(--white); }
.library-toolbar {
    min-height: 64px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: stretch;
    border-bottom: 1px solid var(--rule);
}
.library-toolbar strong, .library-toolbar span { display: flex; align-items: center; padding: 0 18px; font: 700 11px/1 var(--mono); }
.library-toolbar span { border-left: 1px solid var(--rule); color: var(--muted); }
.library-toolbar button { padding: 0 18px; }
.library-columns, .library-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px 120px 46px;
    align-items: center;
}
.library-columns { padding: 10px 0; border-bottom: 1px solid var(--rule); color: var(--muted); font: 9px/1 var(--mono); }
.library-columns span { padding: 0 16px; }
.library-row { min-height: 76px; border-bottom: 1px solid rgba(17,17,15,.28); }
.library-row p { margin: 0; padding: 12px 16px; font-size: 16px; font-weight: 700; letter-spacing: -.02em; }
.library-row time { color: var(--muted); font: 10px/1.2 var(--mono); }
.library-row button { align-self: stretch; font-size: 12px; }
.visibility { justify-self: start; padding: 4px 6px; border: 1px solid currentColor; font: 700 9px/1 var(--mono); text-transform: uppercase; }
.visibility.public { color: var(--signal); }
.library-footnote { margin: 0; padding: 12px 16px; font: 10px/1.35 var(--mono); text-transform: uppercase; }

.identity { grid-template-columns: minmax(290px, .72fr) minmax(250px, .65fr) minmax(360px, .85fr); }
.identity-copy { padding: 72px 34px; border-right: 1px solid var(--rule); }
.identity-copy p { max-width: 420px; margin: 0 0 24px; font-size: 18px; line-height: 1.5; }
.code-example { align-self: center; margin: 52px var(--gutter); border: 1px solid var(--rule); background: var(--white); }
.code-example strong { display: block; padding: 36px 16px 28px; font: 700 clamp(30px, 4vw, 58px)/1 var(--mono); letter-spacing: .08em; text-align: center; }
.code-example > p { margin: 0; padding: 10px 12px; border-top: 1px solid var(--rule); font: 9px/1.2 var(--mono); text-align: center; text-transform: uppercase; }

.comparison { margin: 72px var(--gutter) 86px; border-top: 5px solid var(--ink); }
.comparison-row { display: grid; grid-template-columns: minmax(0, 1fr) 110px 110px; border-bottom: 1px solid var(--rule); }
.comparison-row > * { margin: 0; padding: 14px 12px; border-left: 1px solid var(--rule); }
.comparison-row > :first-child { border-left: 0; }
.comparison-row span { font-size: 14px; }
.comparison-row strong { font: 700 11px/1.2 var(--mono); text-align: center; }
.comparison-head { background: var(--ink); color: var(--white); }
.comparison-head > * { border-color: var(--white); font: 700 10px/1 var(--mono); }
.accent-row { background: var(--yellow); }

.privacy {
    display: grid;
    grid-template-columns: .9fr .55fr 1fr;
    color: var(--white);
    background: var(--ink);
    border-bottom: 1px solid var(--stock);
}
.privacy-heading, .privacy-copy, .privacy-matrix { padding: 76px var(--gutter) 90px; }
.privacy-heading, .privacy-copy { border-right: 1px solid rgba(255,255,255,.36); }
.privacy .section-number { color: var(--signal); }
.privacy-copy p { max-width: 400px; margin: 48px 0 38px; font-size: 18px; }
.privacy-copy a { font: 700 11px/1.2 var(--mono); text-transform: uppercase; text-underline-offset: 4px; }
.privacy-matrix { margin: 0; }
.privacy-matrix div { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.36); }
.privacy-matrix dt, .privacy-matrix dd { margin: 0; font-size: 13px; }
.privacy-matrix dd { color: var(--yellow); font: 700 11px/1.3 var(--mono); text-align: right; text-transform: uppercase; }

.questions { padding: 72px var(--gutter) 86px; }
.questions details { border-top: 1px solid var(--rule); }
.questions details:last-child { border-bottom: 1px solid var(--rule); }
.questions summary { min-height: 66px; display: grid; grid-template-columns: 48px 1fr 24px; align-items: center; list-style: none; cursor: pointer; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary span { color: var(--signal); font: 700 10px/1 var(--mono); }
.questions summary strong { font-size: 16px; }
.questions summary i, .questions summary i::after { display: block; width: 14px; height: 1px; background: var(--ink); content: ""; }
.questions summary i::after { transform: rotate(90deg); transition: transform 100ms linear; }
.questions details[open] summary i::after { transform: rotate(0); }
.questions details p { max-width: 670px; margin: 0; padding: 0 34px 24px 48px; color: var(--muted); font-size: 15px; }

.download {
    display: grid;
    grid-template-columns: .35fr 1fr 1fr;
    gap: 40px;
    padding: 80px var(--gutter) 92px;
    background: var(--signal);
}
.download h2 { color: var(--white); }
.store-links { border-top: 5px solid var(--ink); }
.store-links a {
    min-height: 92px;
    display: grid;
    grid-template-columns: 38px 1fr auto;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--ink);
    text-decoration: none;
}
.store-links a span, .store-links a small { font: 700 10px/1.2 var(--mono); }
.store-links a strong { font-size: 19px; }
.store-links a:hover { padding: 0 10px; color: var(--stock); background: var(--ink); }

.site-footer {
    display: grid;
    grid-template-columns: .8fr 1fr 1fr auto;
    min-height: 190px;
    border-top: 8px solid var(--ink);
}
.site-footer > * { margin: 0; padding: 34px var(--gutter); border-right: 1px solid var(--rule); }
.footer-wordmark { border-right: 1px solid var(--rule); }
.site-footer p { font: 11px/1.5 var(--mono); text-transform: uppercase; }
.site-footer nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.site-footer nav a { font: 700 11px/1.2 var(--mono); text-transform: uppercase; }
.site-footer .copyright { border-right: 0; white-space: nowrap; }

@media (max-width: 1180px) {
    .site-header { grid-template-columns: 1fr auto; }
    .header-edition { display: none; }
    .site-nav a { min-width: 82px; }
    .hero { grid-template-columns: 38px minmax(310px, .9fr) minmax(390px, 1.1fr); gap: 34px; }
    .identity { grid-template-columns: .8fr 1fr; }
    .identity .section-header { grid-row: span 2; }
    .identity-copy { border-right: 0; border-bottom: 1px solid var(--rule); }
    .privacy { grid-template-columns: 1fr 1fr; }
    .privacy-matrix { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.36); }
    .download { grid-template-columns: .3fr 1fr; }
    .store-links { grid-column: 2; }
}

@media (max-width: 880px) {
    .site-header { min-height: 84px; }
    .wordmark { border-right: 0; }
    .menu-button {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 var(--gutter);
        border: 0;
        border-left: 1px solid var(--rule);
        border-radius: 0;
        color: var(--ink);
        background: transparent;
        font: 700 11px/1 var(--mono);
        text-transform: uppercase;
    }
    .menu-button i, .menu-button i::after { width: 18px; height: 1px; display: block; background: currentColor; content: ""; }
    .menu-button i::after { transform: translateY(5px); }
    .menu-button[aria-expanded="true"] i { transform: rotate(45deg); }
    .menu-button[aria-expanded="true"] i::after { transform: rotate(90deg); }
    .site-nav {
        position: fixed;
        z-index: 49;
        inset: 84px 0 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--stock);
    }
    .site-nav.is-open { display: flex; }
    .site-nav a { min-height: 72px; padding: 14px var(--gutter); border-right: 0; border-bottom: 1px solid var(--rule); }
    .site-nav .nav-get { min-height: 90px; margin-top: auto; }
    .hero { grid-template-columns: 34px 1fr; }
    .hero-copy { padding-right: 10px; }
    .composer { grid-column: 2; }
    .principles { grid-template-columns: repeat(2, 1fr); }
    .principles p:nth-child(2) { border-right: 0; }
    .principles p:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
    .ruled-section { grid-template-columns: 1fr; }
    .section-header { border-right: 0; border-bottom: 1px solid var(--rule); }
    .identity { grid-template-columns: 1fr; }
    .identity .section-header { grid-row: auto; }
    .identity-copy { padding: 42px var(--gutter); }
    .privacy { grid-template-columns: 1fr; }
    .privacy-heading, .privacy-copy { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.36); }
    .privacy-matrix { grid-column: auto; border-top: 0; }
    .download { grid-template-columns: 1fr; }
    .store-links { grid-column: auto; }
    .site-footer { grid-template-columns: 1fr 1fr; }
    .site-footer > *:nth-child(2) { border-right: 0; }
    .site-footer > *:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}

@media (max-width: 560px) {
    .wordmark { gap: 16px; }
    .wordmark-tag { display: none; }
    .hero { min-height: 0; grid-template-columns: 1fr; gap: 42px; padding-top: 52px; }
    .hero-index { height: auto; flex-direction: row; border-right: 0; border-bottom: 1px solid var(--rule); padding-bottom: 9px; writing-mode: horizontal-tb; transform: none; }
    .hero h1 { font-size: clamp(58px, 18vw, 82px); }
    .hero-summary { font-size: 16px; }
    .composer { grid-column: auto; }
    .live-note { aspect-ratio: 1; }
    .live-note textarea { font-size: clamp(28px, 9vw, 42px); }
    .composer-controls { flex-direction: column; }
    .swatches { min-height: 50px; border-bottom: 1px solid var(--rule); }
    .type-tools button { min-height: 44px; flex: 1; border-left: 0; border-right: 1px solid var(--rule); }
    .type-tools button:last-child { border-right: 0; }
    .principles { grid-template-columns: 1fr; }
    .principles p { min-height: 64px; border-right: 0; border-bottom: 1px solid var(--rule); }
    .principles p:last-child { border-bottom: 0; }
    .section-header { padding-top: 54px; padding-bottom: 58px; }
    .method-list { grid-template-columns: 1fr; }
    .method-list li { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--rule) !important; }
    .method-list li:last-child { border-bottom: 0 !important; }
    .method-list h3 { margin-top: 48px; }
    .library-window, .comparison { margin-top: 48px; margin-bottom: 58px; }
    .library-toolbar { grid-template-columns: 1fr auto; }
    .library-toolbar span { display: none; }
    .library-columns { display: none; }
    .library-row { grid-template-columns: minmax(0, 1fr) auto 42px; padding-left: 0; }
    .library-row p { grid-column: 1 / -1; padding-bottom: 5px; }
    .library-row time { padding: 7px 10px 12px 0; }
    .library-row button { grid-column: 3; grid-row: 2; }
    .visibility { margin-left: 16px; }
    .code-example { margin-top: 40px; margin-bottom: 58px; }
    .code-example strong { font-size: clamp(28px, 10vw, 44px); }
    .comparison-row { grid-template-columns: minmax(0, 1fr) 64px 64px; }
    .comparison-row > * { padding: 13px 8px; }
    .comparison-row span { font-size: 12px; }
    .privacy-heading, .privacy-copy, .privacy-matrix { padding-top: 56px; padding-bottom: 62px; }
    .questions { padding-top: 48px; padding-bottom: 58px; }
    .questions summary { grid-template-columns: 34px 1fr 18px; }
    .questions summary strong { font-size: 14px; }
    .questions details p { padding-left: 34px; }
    .download { padding-top: 58px; padding-bottom: 66px; }
    .store-links a { grid-template-columns: 28px 1fr; }
    .store-links a small { grid-column: 2; padding-bottom: 14px; }
    .site-footer { grid-template-columns: 1fr; }
    .site-footer > * { border-right: 0; border-bottom: 1px solid var(--rule); }
    .site-footer .copyright { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition-duration: .01ms !important; }
}