/* Aster Disk — public site stylesheet.
 * Mirrors the app's M13 design tokens (Theme.swift / tokens.css).
 * No JavaScript anywhere on the site; every page renders correctly
 * with just HTML + this stylesheet. */

:root {
    --paper: #fbfaf6;
    --paper-2: #f4f2ec;
    --paper-3: #ece9e1;
    --ink: #1b1815;
    --ink-2: rgba(27, 24, 21, 0.78);
    --ink-3: rgba(27, 24, 21, 0.55);
    --hairline: rgba(0, 0, 0, 0.10);
    --brand: #a24859;
    --brand-bg: #f8e9ec;
    --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #1a1916;
        --paper-2: #22201d;
        --paper-3: #2c2926;
        --ink: #f2eee8;
        --ink-2: rgba(242, 238, 232, 0.78);
        --ink-3: rgba(242, 238, 232, 0.55);
        --hairline: rgba(255, 255, 255, 0.10);
        --brand: #e08591;
        --brand-bg: #4d2a30;
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
                 system-ui, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 24px 96px;
}

header.site {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px 24px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

header.site a.brand {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mark {
    width: 22px;
    height: 22px;
    color: var(--brand);
}

nav.top {
    margin-left: auto;
    display: flex;
    gap: 18px;
    font-size: 14px;
}

nav.top a {
    color: var(--ink-2);
    text-decoration: none;
}

nav.top a:hover, nav.top a:focus { color: var(--brand); }

h1 {
    font-size: 32px;
    line-height: 1.2;
    margin: 24px 0 12px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

h2 {
    font-size: 22px;
    line-height: 1.3;
    margin: 40px 0 10px;
    font-weight: 600;
}

h3 {
    font-size: 17px;
    margin: 28px 0 6px;
    font-weight: 600;
}

p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

a { color: var(--brand); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

code, kbd, .mono {
    font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.92em;
    background: var(--paper-2);
    padding: 1px 6px;
    border-radius: 4px;
}

.lead {
    font-size: 19px;
    line-height: 1.5;
    color: var(--ink-2);
    margin: 0 0 28px;
}

.hero {
    padding: 56px 0 8px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 40px;
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--brand);
    color: var(--paper);
    font-weight: 600;
    text-decoration: none;
    margin-top: 12px;
}
.cta:hover { text-decoration: none; opacity: 0.92; }

.cta.secondary {
    background: transparent;
    color: var(--brand);
    border: 1px solid var(--brand);
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 24px;
    margin: 16px 0 40px;
}

@media (max-width: 540px) {
    .features { grid-template-columns: 1fr; }
    main { padding: 32px 20px 64px; }
    h1 { font-size: 26px; }
}

.feature {
    padding: 14px 16px;
    background: var(--paper-2);
    border-radius: 10px;
}

.feature h3 { margin: 0 0 4px; font-size: 15px; }
.feature p { margin: 0; font-size: 14px; color: var(--ink-2); }

.callout {
    padding: 14px 16px;
    background: var(--brand-bg);
    border-radius: 10px;
    margin: 24px 0;
    font-size: 15px;
}

footer.site {
    max-width: var(--max-width);
    margin: 60px auto 0;
    padding: 28px 24px 40px;
    border-top: 1px solid var(--hairline);
    color: var(--ink-3);
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
}

footer.site a { color: var(--ink-3); }
footer.site a:hover, footer.site a:focus { color: var(--brand); }

/* Skip-to-content link — visible on focus only, for keyboard users. */
.skip {
    position: absolute;
    left: -9999px;
    top: 0;
}
.skip:focus {
    left: 12px;
    top: 12px;
    z-index: 100;
    background: var(--brand);
    color: var(--paper);
    padding: 8px 14px;
    border-radius: 6px;
}