/* Oink product site (tools/site). Dark by default; light only when the visitor picks it (remembered per browser).
   No outlines or boxed cards: hierarchy comes from type, spacing and tonal bands. Fonts come from the page's own
   <style> (build.py --font): --f-display, --f-body, --f-mono and the display tuning (--d-*). No external requests. */
@layer base, layout, parts;

@layer base {
  :root {
    color-scheme: dark;
    --bg: oklch(15.5% 0.008 340);
    --bg-2: oklch(19% 0.01 340);
    --bg-3: oklch(24% 0.012 340);
    --fg: oklch(95% 0.008 80);
    --fg-2: oklch(76% 0.012 330);
    --fg-3: oklch(63% 0.012 330);
    --accent: oklch(78% 0.13 355);
    --accent-bg: oklch(76% 0.14 355);
    --accent-ink: oklch(18% 0.04 355);
    --frame: oklch(11% 0.006 340);
    --final: oklch(21% 0.04 355);
    --field: oklch(15% 0.008 340);
    --w: 1200px;
    --gut: clamp(16px, 4vw, 40px);
    --sec: clamp(72px, 10vw, 140px);
    --r: 6px;
  }
  :root[data-theme="light"] {
    color-scheme: light;
    --bg: oklch(97.4% 0.007 85);
    --bg-2: oklch(94% 0.011 80);
    --bg-3: oklch(90.5% 0.013 80);
    --fg: oklch(21% 0.015 340);
    --fg-2: oklch(40% 0.015 340);
    --fg-3: oklch(49% 0.015 340);
    --accent: oklch(50% 0.17 355);
    --accent-bg: oklch(50% 0.18 355);
    --accent-ink: oklch(99% 0.005 355);
    --frame: oklch(19% 0.01 340);
    --final: oklch(92% 0.035 355);
    --field: oklch(92.6% 0.012 80);
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
  body {
    margin: 0; background: var(--bg); color: var(--fg);
    font: 400 17px/1.6 var(--f-body); letter-spacing: var(--b-track, 0);
    -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip;
  }
  img, video, picture { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration-color: color-mix(in oklch, currentColor 40%, transparent); text-underline-offset: 3px; }
  a:hover { text-decoration-color: currentColor; }
  code { font-family: var(--f-mono); font-size: calc(0.86em * var(--m-scale, 1)); }
  h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; }
  h1, h2 {
    font-family: var(--f-display); font-weight: var(--d-wght); font-stretch: var(--d-stretch, 100%);
    letter-spacing: var(--d-track); line-height: var(--d-lh); font-optical-sizing: auto;
  }
  p { margin: 0; text-wrap: pretty; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
  ::selection { background: var(--accent-bg); color: var(--accent-ink); }
}

@layer layout {
  .wrap { width: min(100% - 2 * var(--gut), var(--w)); margin-inline: auto; }
  .wrap.wide { width: min(100% - 2 * var(--gut), 1360px); }
  section { padding-block: var(--sec); }
  .band { background: var(--bg-2); }
  .head { display: grid; gap: 14px; margin-bottom: clamp(36px, 5vw, 64px); max-width: 760px; }
  h2 { font-size: calc(clamp(2.1rem, 4.4vw, 3.6rem) * var(--d-scale)); }
  .sub { color: var(--fg-2); font-size: 1.08rem; }
  .dim { color: var(--fg-3); }
  .accent { color: var(--accent); }
  .fine { color: var(--fg-3); font-size: 0.88rem; }
  .note { color: var(--fg-3); font-size: 0.94rem; }
  .label { font-family: var(--f-mono); font-size: calc(0.78rem * var(--m-scale, 1)); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
}

@layer parts {
  .skip { position: absolute; left: -9999px; }
  .skip:focus { left: 16px; top: 12px; z-index: 30; background: var(--bg); padding: 8px 12px; }

  /* bar */
  .bar { position: sticky; top: 0; z-index: 20; background: color-mix(in oklch, var(--bg) 82%, transparent); backdrop-filter: blur(14px) saturate(1.4); }
  .bar-in { display: flex; align-items: center; gap: 22px; height: 60px; }
  .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--f-display); font-weight: var(--d-wght); font-size: calc(1.12rem * max(1, var(--d-scale))); letter-spacing: -0.01em; font-stretch: var(--d-stretch, 100%); }
  .brand svg { width: 26px; height: 26px; }
  .bar nav { display: flex; gap: 22px; margin-left: auto; font-size: 0.93rem; }
  .bar nav a { text-decoration: none; color: var(--fg-2); }
  .bar nav a:hover { color: var(--fg); }
  .theme { display: grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 0; border-radius: var(--r); background: transparent; color: var(--fg-2); cursor: pointer; }
  .theme:hover { background: var(--bg-2); color: var(--fg); }
  .theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
  .theme svg path { fill: currentColor; stroke: none; }

  /* buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border: 0; border-radius: var(--r);
         font: 600 1rem/1 var(--f-body); text-decoration: none; cursor: pointer; transition: background-color .15s, transform .15s; }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--accent-bg); color: var(--accent-ink); }
  .btn-primary:hover { background: color-mix(in oklch, var(--accent-bg) 88%, var(--fg)); }
  .btn-quiet { background: var(--bg-3); color: var(--fg); }
  .btn-quiet:hover { background: color-mix(in oklch, var(--bg-3) 80%, var(--fg)); }
  .btn-small { min-height: 36px; padding: 0 14px; font-size: 0.9rem; background: var(--fg); color: var(--bg); }
  .ctas { display: flex; flex-wrap: wrap; gap: 12px; }

  /* hero */
  .hero { padding-block: clamp(48px, 8vw, 110px) clamp(40px, 6vw, 80px); }
  .kicker { font-family: var(--f-mono); font-size: calc(0.84rem * var(--m-scale, 1)); letter-spacing: 0.04em; color: var(--fg-2); margin-bottom: clamp(18px, 3vw, 30px); }
  .kicker .accent { text-transform: uppercase; letter-spacing: 0.1em; margin-right: 6px; }
  h1 { font-size: calc(clamp(2.9rem, 8.4vw, 7.4rem) * var(--d-scale)); max-width: 13ch; }
  .hero-row { display: grid; gap: 28px; margin-top: clamp(26px, 4vw, 48px); align-items: end; }
  .lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--fg-2); max-width: 46ch; }
  .hero-act { display: grid; gap: 14px; }
  @media (min-width: 900px) { .hero-row { grid-template-columns: 1.2fr 1fr; gap: 64px; } .hero-act { justify-items: end; text-align: right; } }
  .hero-shot { margin-top: clamp(40px, 6vw, 72px); margin-bottom: 0; }
  figcaption { margin-top: 14px; color: var(--fg-3); font-size: 0.86rem; }

  /* the "monitor": UI pictures always sit on a dark frame, in both themes */
  .frame { margin: 0; background: var(--frame); padding: clamp(5px, 0.9vw, 12px); border-radius: 10px; box-shadow: 0 30px 80px -40px oklch(0% 0 0 / 0.55); }
  .frame img, .frame video { width: 100%; border-radius: 4px; background: oklch(12% 0.005 340); }
  :root[data-theme="light"] .frame { box-shadow: 0 30px 70px -36px oklch(20% 0.02 340 / 0.45); }

  /* numbers */
  .numbers { padding-block: clamp(36px, 5vw, 64px) var(--sec); }
  .nums { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 32px 28px; }
  .nums b { display: block; font-family: var(--f-display); font-weight: var(--d-wght); font-stretch: var(--d-stretch, 100%); letter-spacing: var(--d-track);
            font-size: calc(clamp(2.6rem, 5vw, 4rem) * var(--d-scale)); line-height: 1; font-variant-numeric: tabular-nums; }
  .nums span { display: block; margin-top: 10px; color: var(--fg-2); font-size: 0.95rem; max-width: 22ch; }

  /* features */
  .features { padding-top: 0; display: grid; gap: clamp(88px, 11vw, 160px); }
  .feature { display: grid; gap: 36px; align-items: center; }
  .feature h2 { margin-bottom: 20px; }
  .feature .copy > p:not(.label) { color: var(--fg-2); max-width: 52ch; }
  .feature .copy > p + p { margin-top: 16px; }
  @media (min-width: 960px) {
    .feature { grid-template-columns: 5fr 7fr; gap: 72px; }
    .feature.flip .copy { order: 2; }
  }
  .facts { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 18px 28px; }
  .facts b { display: block; font-family: var(--f-mono); font-size: calc(0.86rem * var(--m-scale, 1)); color: var(--fg); font-weight: 500; }
  .facts span { color: var(--fg-3); font-size: 0.93rem; }
  .roll span { white-space: nowrap; margin-right: 1.1em; }
  .roll .dim { margin-right: 0.6em; }
  .roll { margin-top: 22px; font-family: var(--f-mono); font-size: calc(0.8rem * var(--m-scale, 1)); line-height: 1.9; color: var(--fg-2); }
  .more { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 40px 48px; }
  .more h3 { font-size: 1.08rem; margin-bottom: 10px; }
  .more p { color: var(--fg-2); font-size: 0.97rem; }

  /* specs */
  .spec-grid { display: grid; gap: 52px 64px; }
  @media (min-width: 900px) { .spec-grid { grid-template-columns: 1fr 1fr; } }
  .spec h3 { font-family: var(--f-mono); font-size: calc(0.78rem * var(--m-scale, 1)); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
  .spec dl { margin: 0; display: grid; grid-template-columns: minmax(96px, 9.5rem) 1fr; gap: 12px 20px; }
  .spec dt { color: var(--fg-3); font-size: 0.92rem; }
  .spec dd { margin: 0; font-size: 0.95rem; overflow-wrap: anywhere; }
  @media (max-width: 520px) { .spec dl { grid-template-columns: 1fr; gap: 2px; } .spec dd { margin-bottom: 12px; } }
  .more-det { margin-top: 48px; }
  .more-det + .more-det { margin-top: 12px; }
  details > summary { cursor: pointer; list-style: none; }
  details > summary::-webkit-details-marker { display: none; }
  .more-det > summary { display: inline-flex; gap: 12px; align-items: center; padding: 12px 18px; border-radius: var(--r); background: var(--bg-3); font-weight: 600; }
  .more-det > summary::before, .qs summary::after { content: "+"; font-family: var(--f-mono); color: var(--accent); font-weight: 400; transition: transform .2s; }
  .more-det[open] > summary::before, .qs details[open] summary::after { transform: rotate(45deg); }
  .tbl { margin-top: 18px; overflow-x: auto; }
  .tbl table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
  .tbl th { text-align: left; font-weight: 500; color: var(--fg-3); padding: 8px 14px; }
  .tbl td { padding: 9px 14px; vertical-align: top; }
  .tbl tbody tr:nth-child(odd) { background: color-mix(in oklch, var(--bg-3) 55%, transparent); }
  .tbl .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
  .tbl .cli td:first-child { white-space: nowrap; }
  @media (max-width: 640px) { .tbl .cli td:first-child { white-space: normal; } }

  /* download */
  .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
  .dl { display: grid; gap: 4px; padding: 22px 22px 20px; border-radius: 10px; background: var(--bg-2); text-decoration: none; transition: background-color .15s; }
  .dl:hover { background: var(--bg-3); }
  .dl .os { width: 26px; height: 26px; margin-bottom: 14px; }
  .dl b { font-family: var(--f-display); font-weight: var(--d-wght); font-stretch: var(--d-stretch, 100%); font-size: 1.35rem; letter-spacing: -0.01em; margin-bottom: 6px; }
  .dl span { color: var(--fg-2); font-size: 0.92rem; }
  .dl.mine { background: var(--accent-bg); color: var(--accent-ink); }
  .dl.mine span { color: color-mix(in oklch, var(--accent-ink) 78%, var(--accent-bg)); }
  .dl-meta { display: grid; gap: 48px; margin-top: 56px; }
  @media (min-width: 900px) { .dl-meta { grid-template-columns: 1.2fr 1fr; gap: 72px; } }
  .dl-meta h3 { font-size: 1.1rem; margin-bottom: 16px; }
  .firstrun ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; color: var(--fg-2); font-size: 0.96rem; }
  .firstrun b { color: var(--fg); }
  .changelog ol { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 8px; font-size: 0.94rem; }
  .changelog li { display: grid; grid-template-columns: minmax(110px, auto) auto 1fr; gap: 14px; }
  .changelog li span:first-of-type { color: var(--fg-3); }
  .sums { margin-bottom: 16px; }
  .sums summary { color: var(--fg-2); font-size: 0.94rem; }
  .sums div { margin-top: 10px; display: grid; gap: 6px; }
  .sums code { font-size: 0.74rem; color: var(--fg-3); overflow-wrap: anywhere; }

  /* alpha + access form */
  .alpha-grid { display: grid; gap: 56px; }
  @media (min-width: 960px) { .alpha-grid { grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; } }
  .alpha-copy h2 { margin-bottom: 18px; }
  .steps { list-style: none; counter-reset: s; margin: 36px 0 28px; padding: 0; display: grid; gap: 24px; }
  .steps li { counter-increment: s; display: grid; grid-template-columns: 2.4rem 1fr; gap: 0 12px; }
  .steps li::before { content: counter(s); grid-row: span 2; font-family: var(--f-display); font-weight: var(--d-wght); font-size: 1.8rem; line-height: 1; color: var(--accent); }
  .steps h3 { font-size: 1.05rem; margin-bottom: 4px; }
  .steps p { color: var(--fg-2); font-size: 0.96rem; }
  .access { display: grid; gap: 18px; padding: clamp(22px, 3.4vw, 36px); border-radius: 12px; background: var(--bg-3); }
  :root[data-theme="light"] .access { background: var(--bg); }
  .access h3 { font-family: var(--f-display); font-weight: var(--d-wght); font-stretch: var(--d-stretch, 100%); font-size: 1.5rem; letter-spacing: -0.01em; }
  .f2 { display: grid; gap: 18px; }
  @media (min-width: 560px) { .f2 { grid-template-columns: 1fr 1fr; } }
  .field { display: grid; gap: 6px; }
  .field > span, .seg legend { font-size: 0.86rem; color: var(--fg-2); font-weight: 500; }
  .field i { font-style: normal; color: var(--fg-3); font-weight: 400; }
  .field input, .field textarea { width: 100%; min-height: 46px; padding: 11px 13px; border: 0; border-radius: var(--r); background: var(--field); color: var(--fg); font: inherit; font-size: 1rem; }
  .field textarea { resize: vertical; min-height: 92px; }
  .field input::placeholder, .field textarea::placeholder { color: var(--fg-3); opacity: 0.8; }
  .field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 0; }
  .field input[aria-invalid="true"] { box-shadow: inset 0 -2px 0 oklch(65% 0.2 25); }
  .seg { border: 0; margin: 0; padding: 0; display: grid; gap: 6px; }
  .seg legend { padding: 0; margin-bottom: 6px; }
  .seg-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 4px; border-radius: 8px; background: var(--field); }
  .seg-row label { position: relative; }
  .seg-row input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
  .seg-row span { display: grid; place-items: center; min-height: 38px; border-radius: 5px; font-size: 0.92rem; color: var(--fg-2); transition: background-color .15s, color .15s; }
  .seg-row input:checked + span { background: var(--fg); color: var(--bg); font-weight: 600; }
  .seg-row input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }
  @media (max-width: 420px) { .seg-row { grid-template-columns: 1fr 1fr; } }
  .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
  .check { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; font-size: 0.9rem; color: var(--fg-2); cursor: pointer; }
  .check input { appearance: none; width: 22px; height: 22px; margin: 1px 0 0; border-radius: 5px; background: var(--field); display: grid; place-items: center; cursor: pointer; box-shadow: inset 0 0 0 1.5px color-mix(in oklch, var(--fg-3) 70%, transparent); }
  .check input:checked { background: var(--accent-bg); box-shadow: none; }
  .check input:checked::after { content: ""; width: 10px; height: 6px; border: solid var(--accent-ink); border-width: 0 0 2px 2px; transform: translateY(-1px) rotate(-45deg); }
  .check input[aria-invalid="true"] { box-shadow: inset 0 0 0 2px oklch(65% 0.2 25); }
  .send { display: grid; gap: 12px; justify-items: start; }
  .status { font-size: 0.94rem; min-height: 1.5em; }
  .status.ok { color: var(--fg); }
  .status.err { color: var(--fg); }
  .status.err::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; background: oklch(65% 0.2 25); vertical-align: 1px; }
  .status.ok::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; background: oklch(72% 0.17 150); vertical-align: 1px; }
  .access.done .f2, .access.done .seg, .access.done .field, .access.done .check, .access.done button { display: none; }

  /* FAQ */
  .qs { display: grid; gap: 0 64px; }
  @media (min-width: 900px) { .qs { grid-template-columns: 1fr 1fr; } }
  .qs details { padding: 16px 0; break-inside: avoid; }
  .qs summary { display: flex; justify-content: space-between; gap: 20px; font-weight: 600; font-size: 1.04rem; }
  .qs summary::after { font-size: 1.2rem; line-height: 1.3; }
  .qs summary:hover { color: var(--accent); }
  .qs details p { margin-top: 10px; color: var(--fg-2); font-size: 0.97rem; max-width: 60ch; }

  /* final + footer */
  .final { background: var(--final); text-align: left; }
  .final h2 { max-width: 16ch; }
  .final p { margin: 18px 0 30px; color: var(--fg-2); font-size: 1.15rem; }
  .foot { padding-block: 56px 72px; color: var(--fg-3); font-size: 0.86rem; }
  .foot .wrap { display: grid; gap: 12px; }
  .foot-brand { display: flex; align-items: center; gap: 10px; color: var(--fg); margin-bottom: 8px; }
  .foot-brand svg { width: 22px; height: 22px; }
  .foot-brand span { color: var(--fg-3); }
  .foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 8px; }
  .foot-links a { color: var(--fg-2); }
  .foot p { max-width: 90ch; }

  /* design-preview switcher (preview builds only) */
  .pv { position: fixed; left: 12px; bottom: 12px; z-index: 40; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; max-width: calc(100vw - 24px);
        padding: 8px 10px; border-radius: 8px; background: oklch(12% 0.01 340 / 0.94); color: oklch(92% 0.01 80);
        font: 500 12px/1.2 ui-sans-serif, system-ui, sans-serif; box-shadow: 0 10px 30px -10px oklch(0% 0 0 / 0.6); }
  .pv a { color: inherit; text-decoration: none; opacity: 0.75; }
  .pv span { display: flex; flex-wrap: wrap; gap: 4px 10px; }
  .pv a[aria-current] { opacity: 1; color: oklch(80% 0.13 355); }
  .pv button { font: inherit; border: 0; border-radius: 5px; padding: 5px 8px; background: oklch(26% 0.01 340); color: inherit; cursor: pointer; }

  /* narrow screens */
  @media (max-width: 760px) {
    .bar nav { display: none; }
    .theme { margin-left: auto; }
    .changelog li { grid-template-columns: 1fr; gap: 2px; }
  }

  /* gentle reveal where scroll-driven animation exists; nothing moves for reduced motion */
  @supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
      .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
      @keyframes rise { from { opacity: 0.001; translate: 0 28px; } }
    }
  }
}

@view-transition { navigation: none; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .25s; }