/* pisentry site. Flat, square, system fonts, light and dark. */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --surface: #ffffff;
  --surface-2: #f6f8fa;
  --border: #e1e6eb;
  --border-strong: #c9d1d9;
  --text: #0b1015;
  --muted: #57606a;
  --accent: #0e9f6e;
  --accent-text: #0a7a55;
  --accent-soft: #e7f6ef;
  --accent-ink: #0b1015;
  --rasp: #ff4d5e;
  --rasp-text: #c41f36;
  --rasp-soft: #ffeef0;
  --high: #b54a00;
  --medium: #8a6100;
  --low: #0969da;
  --term-bg: #0b1015;
  --term-bar: #111922;
  --term-text: #e6edf3;
  --term-muted: #8b98a5;
  --term-border: #1f2b36;
  --term-accent: #34e39a;
  --pcb: #eef8f2;
  --pcb-edge: #0e9f6e;
  --pcb-trace: #9fd9bf;
  --chip-body: #1b232b;
  --chip-text: #e6edf3;
  --part: #ffffff;
  --part-edge: #9aa5b1;
  --pin: #8a6d2f;
  --radius: 2px;
  --wrap: 1180px;
  --gutter: 24px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1015;
    --bg-alt: #0e151c;
    --surface: #111922;
    --surface-2: #151f29;
    --border: #1f2b36;
    --border-strong: #2d3b48;
    --text: #e6edf3;
    --muted: #8b98a5;
    --accent: #34e39a;
    --accent-text: #34e39a;
    --accent-soft: #10241c;
    --accent-ink: #0b1015;
    --rasp: #ff4d5e;
    --rasp-text: #ff6b79;
    --rasp-soft: #2a1418;
    --high: #f0883e;
    --medium: #d29922;
    --low: #58a6ff;
    --term-bg: #070b0f;
    --term-bar: #0e151c;
    --term-border: #1f2b36;
    --pcb: #0f1d17;
    --pcb-edge: #34e39a;
    --pcb-trace: #1d4a37;
    --chip-body: #05080b;
    --part: #151f29;
    --part-edge: #3a4b5a;
    --pin: #b8954a;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0b1015;
  --bg-alt: #0e151c;
  --surface: #111922;
  --surface-2: #151f29;
  --border: #1f2b36;
  --border-strong: #2d3b48;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #34e39a;
  --accent-text: #34e39a;
  --accent-soft: #10241c;
  --accent-ink: #0b1015;
  --rasp: #ff4d5e;
  --rasp-text: #ff6b79;
  --rasp-soft: #2a1418;
  --high: #f0883e;
  --medium: #d29922;
  --low: #58a6ff;
  --term-bg: #070b0f;
  --term-bar: #0e151c;
  --term-border: #1f2b36;
  --pcb: #0f1d17;
  --pcb-edge: #34e39a;
  --pcb-trace: #1d4a37;
  --chip-body: #05080b;
  --part: #151f29;
  --part-edge: #3a4b5a;
  --pin: #b8954a;
  color-scheme: dark;
}

/* Theme-specific images: logo files exist in a light and a dark variant. */
.only-dark { display: none; }
:root[data-theme="dark"] .only-dark { display: inline-block; }
:root[data-theme="dark"] .only-light { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .only-dark { display: inline-block; }
  :root:not([data-theme="light"]) .only-light { display: none; }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }
img { height: auto; }

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

code, pre, kbd { font-family: var(--mono); font-size: 0.92em; }
:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.05em 0.35em;
  overflow-wrap: anywhere;
}

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.25rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.75rem); font-weight: 800; letter-spacing: -0.03em; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--accent-ink); padding: 8px 12px; z-index: 100;
}
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* Grid children default to min-width: auto, so a long <pre> would widen the page. */
.hero-grid > *, .grid > *, .hw > *, .cta-grid > *, .with-toc > *, .pipe > *, .mcard-head > *, .stats > * { min-width: 0; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* Header */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 28px; width: auto; display: block; }
.brand .only-dark { display: none; }
:root[data-theme="dark"] .brand .only-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand .only-dark { display: block; }
}
.nav-links { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav-links a {
  display: block; padding: 6px 10px; color: var(--muted); font-size: 0.95rem; font-weight: 500;
  border-radius: var(--radius);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav-end { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

.theme-switch {
  display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.theme-switch button {
  font: inherit; font-size: 0.8rem; color: var(--muted); background: transparent; border: 0;
  padding: 4px 9px; cursor: pointer;
}
.theme-switch button + button { border-left: 1px solid var(--border); }
.theme-switch button[aria-pressed="true"] { background: var(--surface-2); color: var(--text); font-weight: 600; }

/* Buttons */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 0.98rem; line-height: 1;
  padding: 13px 18px; border-radius: var(--radius); cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; border-color: var(--text); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--text); border-color: var(--text); color: var(--bg); }
.btn-sm { padding: 8px 12px; font-size: 0.88rem; }
.btn .count {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 600; color: var(--muted);
  border-left: 1px solid var(--border); padding-left: 8px;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Sections */

.section { padding: 96px 0; border-top: 1px solid var(--border); }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: 14px;
}
.eyebrow .sq { width: 8px; height: 8px; background: var(--rasp); border-radius: 1px; display: inline-block; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
.section-head.center .lead { margin-left: auto; margin-right: auto; }

/* Hero */

.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .hl { color: var(--accent-text); }
.hero .lead { font-size: 1.2rem; margin-bottom: 28px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 0.88rem; margin: 0; padding: 0; list-style: none; }
.hero-meta li { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta li::before { content: ""; width: 6px; height: 6px; background: var(--accent); display: inline-block; }

.hero-art { position: relative; }
.board { display: block; width: 100%; height: auto; }

.toast {
  position: absolute; left: -8px; bottom: -14px; width: min(380px, 92%);
  background: var(--surface); border: 1px solid var(--border-strong); border-left: 3px solid var(--rasp);
  border-radius: var(--radius); padding: 12px 14px; font-size: 0.85rem;
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.toast.is-out { opacity: 0; transform: translateY(6px); }
.toast-top { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-family: var(--mono); font-size: 0.75rem; }
.toast-top .when { margin-left: auto; color: var(--muted); }
.toast-msg { font-family: var(--mono); font-size: 0.8rem; line-height: 1.45; color: var(--text); overflow-wrap: anywhere; }

/* Severity chips */

.sev {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 1px 6px; border-radius: var(--radius); border: 1px solid currentColor;
}
.sev-critical { color: var(--rasp-text); }
.sev-high { color: var(--high); }
.sev-medium { color: var(--medium); }
.sev-low { color: var(--low); }
.sev-clean { color: var(--accent-text); }
.cat-id { font-family: var(--mono); font-weight: 700; color: var(--text); }

/* Terminal window */

.term {
  background: var(--term-bg); color: var(--term-text);
  border: 1px solid var(--term-border); border-radius: var(--radius);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  background: var(--term-bar); border-bottom: 1px solid var(--term-border);
  font-family: var(--mono); font-size: 0.78rem; color: var(--term-muted);
}
.term-bar .dots { display: inline-flex; gap: 6px; }
.term-bar .dots i { width: 10px; height: 10px; border-radius: 1px; background: #2d3b48; display: block; }
.term-bar .dots i:first-child { background: var(--rasp); }
.term-bar .title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.term pre {
  margin: 0; padding: 18px 20px; overflow-x: auto; font-size: 0.82rem; line-height: 1.6;
  color: var(--term-text); background: transparent;
}
.term .p { color: var(--term-accent); }
.term .m { color: var(--term-muted); }
.term .c { color: #ff6b79; }
.term .h { color: #f0883e; }
.term .w { color: #d29922; }
.term .g { color: var(--term-accent); }
.term-caption { margin: 12px 0 40px; color: var(--muted); font-size: 0.88rem; }

.shot { padding: 24px 0 88px; }

/* Stat band */

.stats {
  display: grid; grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.stat { padding: 22px 22px 20px; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat .num { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .num small { font-size: 1rem; font-weight: 700; color: var(--muted); margin-left: 2px; }
.stat .label { color: var(--muted); font-size: 0.88rem; margin-top: 6px; line-height: 1.4; }

/* Cards and grids */

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; }
.card p + p { margin-top: 10px; }
.card .icon {
  width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 18px;
  border: 1px solid var(--border); border-radius: var(--radius); color: var(--accent-text); background: var(--accent-soft);
}
.card .icon svg { width: 20px; height: 20px; }
.card-big h3 { font-size: 1.35rem; }

.cat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 8px; min-height: 100%;
}
.cat:hover { border-color: var(--border-strong); }
.cat-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cat-top .cat-id { color: var(--accent-text); }
.cat h3 { font-size: 1rem; margin: 0; }
.cat p { color: var(--muted); font-size: 0.88rem; margin: 0; line-height: 1.5; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  font-family: var(--mono); font-size: 0.7rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 0 5px; line-height: 1.6;
  background: var(--surface-2); white-space: nowrap;
}
.tag-src { color: var(--text); }
.cat-next { border-style: dashed; background: transparent; }
.cat-next .cat-id { color: var(--muted); }

.note { color: var(--muted); font-size: 0.9rem; margin-top: 20px; }
.mt { margin-top: 16px; }

/* Pipeline */

.pipe { display: grid; grid-template-columns: 1.2fr auto 1fr auto 1fr auto 1fr; gap: 0; align-items: stretch; }
.pipe-col { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 18px; }
.pipe-col h3 { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.pipe-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pipe-col li {
  font-family: var(--mono); font-size: 0.8rem; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 6px 8px; background: var(--surface-2); overflow-wrap: anywhere;
}
.pipe-col li span { color: var(--muted); }
.pipe-col.core { border-color: var(--accent); }
.pipe-col.core li { background: var(--accent-soft); border-color: transparent; }
.pipe-arrow { display: grid; place-items: center; width: 36px; color: var(--accent); }
.pipe-arrow svg { width: 20px; height: 20px; }

.facts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 40px; }
.fact h3 { font-size: 0.98rem; margin-bottom: 6px; }
.fact p { font-size: 0.9rem; color: var(--muted); margin: 0; }
.fact { border-top: 2px solid var(--accent); padding-top: 14px; }

/* Tabs */

.tabs { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.tablist { display: flex; border-bottom: 1px solid var(--border); background: var(--surface-2); overflow-x: auto; }
.tablist button {
  font: inherit; font-size: 0.92rem; font-weight: 600; color: var(--muted);
  background: transparent; border: 0; border-right: 1px solid var(--border);
  padding: 12px 18px; cursor: pointer; white-space: nowrap; position: relative;
}
.tablist button[aria-selected="true"] { color: var(--text); background: var(--surface); }
.tablist button[aria-selected="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent);
}
.tabpanel { padding: 24px; }
.tabpanel[hidden] { display: none; }
.tabpanel > p { color: var(--muted); }
.tabpanel .term { margin-top: 4px; }
.tabpanel img { display: block; width: 100%; border: 1px solid var(--border); border-radius: var(--radius); }

.code {
  position: relative; background: var(--term-bg); color: var(--term-text);
  border: 1px solid var(--term-border); border-radius: var(--radius);
}
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-size: 0.82rem; line-height: 1.65; }
.code pre .m { color: var(--term-muted); }
.code pre .p { color: var(--term-accent); }
.code + .code, .code + p, p + .code { margin-top: 14px; }
.copy {
  position: absolute; top: 8px; right: 8px;
  font: inherit; font-family: var(--mono); font-size: 0.72rem; color: var(--term-muted);
  background: var(--term-bar); border: 1px solid var(--term-border); border-radius: var(--radius);
  padding: 3px 8px; cursor: pointer;
}
.copy:hover { color: var(--term-text); }
.copy + pre { padding-right: 76px; }
.copy.done { color: var(--term-accent); border-color: var(--term-accent); }

/* Tables */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.78rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); background: var(--surface-2); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.yes { color: var(--accent-text); font-weight: 600; }
.col-us { background: var(--accent-soft); }
th.col-us { color: var(--accent-text); }

/* Hardware */

.hw { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.hw-list { display: grid; gap: 12px; }
.hw-item { display: grid; grid-template-columns: 168px 1fr; gap: 16px; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; background: var(--surface); }
.hw-item .arch { font-family: var(--mono); font-weight: 700; color: var(--accent-text); }
.hw-item .arch small { display: block; font-weight: 400; color: var(--muted); font-size: 0.72rem; margin-top: 2px; white-space: nowrap; }
.hw-item h3 { font-size: 1rem; margin: 0 0 4px; }
.hw-item p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.status { display: inline-block; white-space: nowrap; font-family: var(--mono); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; padding: 0 6px; line-height: 1.7; border-radius: var(--radius); border: 1px solid currentColor; margin-left: 6px; vertical-align: 2px; }
.status-tested { color: var(--accent-text); }
.status-builds { color: var(--muted); }

.meter { display: grid; gap: 14px; margin: 20px 0 4px; }
.meter-row { display: grid; grid-template-columns: 150px 1fr 70px; gap: 12px; align-items: center; font-size: 0.9rem; }
.meter-row .name { font-family: var(--mono); font-size: 0.82rem; }
.meter-row .name small { display: block; color: var(--muted); font-size: 0.72rem; }
.bar { display: block; width: 100%; height: 10px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); }
.bar-fg { fill: var(--accent); }
.meter-row .val { font-family: var(--mono); font-size: 0.82rem; text-align: right; }

/* Trust */

.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.trust-item { padding: 22px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-item:nth-child(3n) { border-right: 0; }
.trust-item:nth-last-child(-n+3) { border-bottom: 0; }
.trust-item h3 { font-size: 1rem; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.trust-item h3::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex-shrink: 0; }
.trust-item p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* Roadmap */

.ms-list { display: grid; gap: 12px; }
.ms {
  display: grid; grid-template-columns: 120px 1fr 200px; gap: 20px; align-items: center;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 18px 20px;
}
.ms:hover { border-color: var(--border-strong); text-decoration: none; }
.ms-code { font-family: var(--mono); font-weight: 700; color: var(--accent-text); font-size: 0.9rem; }
.ms-title { display: block; color: var(--text); font-weight: 700; }
.ms-desc { display: block; color: var(--muted); font-size: 0.88rem; margin-top: 2px; line-height: 1.45; }
.ms-prog { display: grid; gap: 6px; }
.ms-prog .count { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); text-align: right; }
.progress { display: block; width: 100%; height: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); }

.rm-head { padding: 72px 0 32px; }
.rm-summary { display: flex; flex-wrap: wrap; gap: 12px 28px; color: var(--muted); font-size: 0.92rem; margin-top: 8px; }
.rm-summary b { color: var(--text); font-variant-numeric: tabular-nums; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 28px; }
.filters .label { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-right: 4px; }
.filters .sep { width: 1px; height: 22px; background: var(--border); margin: 0 8px; }
.fbtn {
  font: inherit; font-size: 0.82rem; color: var(--muted); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 4px 10px; cursor: pointer;
}
.fbtn[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); font-weight: 600; }

.timeline { position: relative; display: grid; gap: 28px; }
.mcard { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.mcard-head { display: grid; grid-template-columns: 1fr 220px; gap: 24px; padding: 22px 24px; border-bottom: 1px solid var(--border); }
.mcard-head h2 { font-size: 1.35rem; margin: 6px 0 6px; letter-spacing: -0.015em; }
.mcard-head p { color: var(--muted); margin: 0; font-size: 0.95rem; }
.mcard-meta { display: grid; gap: 8px; align-content: start; }
.mcard-meta .count { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); display: flex; justify-content: space-between; }
.mcard-meta a { font-size: 0.85rem; }
.state { font-family: var(--mono); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; padding: 1px 6px; border: 1px solid currentColor; border-radius: var(--radius); }
.state-open { color: var(--accent-text); }
.state-closed { color: var(--muted); }
.state-shipped { color: var(--accent-text); }

.issues { list-style: none; margin: 0; padding: 0; }
.issue { border-top: 1px solid var(--border); }
.issue:first-child { border-top: 0; }
.issue[hidden] { display: none; }
.issue details > summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: 18px 64px 1fr auto; gap: 12px; align-items: baseline;
  padding: 14px 24px;
}
.issue details > summary::-webkit-details-marker { display: none; }
.issue details > summary:hover { background: var(--surface-2); }
.issue .box { width: 12px; height: 12px; border: 1.5px solid var(--accent); border-radius: 1px; display: inline-block; transform: translateY(1px); }
.issue.closed .box { background: var(--accent); }
.issue.closed .ititle { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--border-strong); }
.inum { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); }
.ititle { font-weight: 600; }
.itype { font-family: var(--mono); font-size: 0.68rem; font-weight: 700; color: var(--muted); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 5px; margin-right: 8px; vertical-align: 2px; }
.ilabels { display: flex; flex-wrap: wrap; gap: 4px; justify-content: flex-end; }
.prio { font-family: var(--mono); font-size: 0.7rem; font-weight: 700; padding: 0 6px; border-radius: var(--radius); border: 1px solid currentColor; line-height: 1.6; }
.prio-P0 { color: var(--rasp-text); }
.prio-P1 { color: var(--high); }
.prio-P2 { color: var(--muted); }
.ibody { padding: 0 24px 18px 118px; color: var(--muted); font-size: 0.92rem; }
.ibody p { margin: 0 0 8px; }

.shipped { border-left: 3px solid var(--accent); }
.shipped ul { margin: 0; padding: 16px 24px 20px 42px; color: var(--muted); font-size: 0.92rem; }
.shipped li + li { margin-top: 4px; }

.empty { border: 1px dashed var(--border-strong); border-radius: var(--radius); padding: 28px; color: var(--muted); text-align: center; }

/* FAQ */

.faq { display: grid; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.faq details { border-bottom: 1px solid var(--border); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--muted); font-weight: 400; }
.faq details[open] summary::after { content: "-"; }
.faq details > div { padding: 0 22px 18px; color: var(--muted); }
.faq details > div p:last-child { margin-bottom: 0; }

/* CTA band */

.cta-band { padding: 88px 0; border-top: 1px solid var(--border); background: var(--term-bg); color: var(--term-text); }
.cta-band h2 { color: #e6edf3; }
.cta-band p { color: var(--term-muted); }
.cta-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
.cta-grid > div:first-child { max-width: 680px; }
.cta-band .btn { border-color: #2d3b48; background: #111922; color: #e6edf3; }
.cta-band .btn:hover { border-color: #e6edf3; }
.cta-band .btn-primary { background: #34e39a; border-color: #34e39a; color: #0b1015; }
.cta-band .btn-primary:hover { background: #e6edf3; border-color: #e6edf3; color: #0b1015; }
.cta-band .code { border-color: #263340; }

/* Prose pages */

.page-head { padding: 72px 0 40px; border-bottom: 1px solid var(--border); }
.page-head .lead { margin-bottom: 0; }
.prose { max-width: 820px; }
.prose h2 { font-size: 1.6rem; margin-top: 56px; letter-spacing: -0.02em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 28px; }
.prose ul { padding-left: 1.2em; }
.prose li + li { margin-top: 6px; }
.prose p, .prose li { color: var(--text); }
.prose .muted { color: var(--muted); }
.prose .table-wrap { margin: 16px 0 8px; }
.callout { border: 1px solid var(--border); border-left: 3px solid var(--rasp); border-radius: var(--radius); padding: 16px 18px; background: var(--surface); margin: 20px 0; }
.callout p:last-child { margin-bottom: 0; }
.toc { position: sticky; top: 88px; display: grid; gap: 2px; font-size: 0.9rem; }
.toc a { color: var(--muted); padding: 4px 10px; border-left: 2px solid var(--border); }
.toc a:hover { color: var(--text); border-left-color: var(--accent); text-decoration: none; }
.with-toc { display: grid; grid-template-columns: 200px 1fr; gap: 56px; padding: 56px 0 96px; }

/* Footer */

.site-footer { border-top: 1px solid var(--border); padding: 56px 0 40px; background: var(--bg-alt); font-size: 0.9rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.foot-grid h4 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--text); }
.foot-brand p { color: var(--muted); max-width: 320px; margin-top: 14px; }
.foot-brand img { height: 26px; width: auto; }
.foot-legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.82rem; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot-legal p { margin: 0; }

/* Board illustration */

.b-pcb { fill: var(--pcb); stroke: var(--pcb-edge); stroke-width: 2; }
.b-hole { fill: var(--bg); stroke: var(--pcb-edge); stroke-width: 1.5; }
.b-trace { fill: none; stroke: var(--pcb-trace); stroke-width: 2; stroke-linecap: square; }
.b-part { fill: var(--part); stroke: var(--part-edge); stroke-width: 1.5; }
.b-port { fill: var(--surface-2); stroke: var(--part-edge); stroke-width: 1.5; }
.b-port-in { fill: none; stroke: var(--part-edge); stroke-width: 1; }
.b-header { fill: var(--chip-body); }
.b-pin { fill: var(--pin); }
.b-chip { fill: var(--chip-body); }
.b-silk { fill: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; }
.b-silk-strong { fill: var(--text); font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; }
.b-mark-line { fill: none; stroke: #34e39a; stroke-width: 3.2; stroke-linejoin: round; }
.b-mark-ring { fill: none; stroke: #34e39a; stroke-width: 1.6; }
.b-mark-ring.r1 { stroke-opacity: 0.55; }
.b-mark-ring.r2 { stroke-opacity: 0.35; }
.b-mark-fill { fill: #34e39a; }
.b-mark-sweep { fill: #34e39a; fill-opacity: 0.28; }
.b-mark-hit { fill: #ff4d5e; stroke: var(--chip-body); stroke-width: 1.4; }
.b-led-pwr { fill: var(--rasp); }
.b-led-act { fill: var(--accent); }
.b-mark-needle { stroke: #34e39a; stroke-width: 2.4; stroke-linecap: round; }
.b-chip-text { fill: #8b98a5; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; }
.b-packet { fill: var(--rasp); }
.b-packet-ok { fill: var(--accent); }

@media (prefers-reduced-motion: no-preference) {
  .b-sweep { transform-origin: 32px 31px; animation: sweep 4s linear infinite; }
  .b-led-act { animation: blink 2.6s steps(1, end) infinite; }
  .b-packet { animation: packet 5s linear infinite; }
  .b-packet.p2 { animation-delay: -2.5s; }
}
@keyframes sweep { to { transform: rotate(360deg); } }
@keyframes blink { 0%, 100% { opacity: 1; } 8% { opacity: 0.2; } 12% { opacity: 1; } 18% { opacity: 0.2; } 22% { opacity: 1; } }
@keyframes packet {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  70% { transform: translateX(-150px); opacity: 1; }
  80%, 100% { transform: translateX(-150px); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .toast { transition: none; }
}

/* Responsive */

@media (max-width: 1080px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .facts { grid-template-columns: repeat(3, 1fr); }
  .pipe { grid-template-columns: 1fr; gap: 0; }
  .pipe-arrow { width: 100%; height: 32px; }
  .pipe-arrow svg { transform: rotate(90deg); }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(4) { border-left: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid var(--border); }
}

@media (max-width: 900px) {
  :root { --gutter: 20px; }
  .section { padding: 72px 0; }
  .hero { padding: 48px 0 32px; }
  .hero-grid, .hw, .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 620px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .trust { grid-template-columns: 1fr 1fr; }
  .trust-item { border-right: 1px solid var(--border) !important; border-bottom: 1px solid var(--border) !important; }
  .trust-item:nth-child(2n) { border-right: 0 !important; }
  .trust-item:nth-last-child(-n+2) { border-bottom: 0 !important; }
  .ms { grid-template-columns: 1fr; gap: 10px; }
  .mcard-head { grid-template-columns: 1fr; }
  .with-toc { grid-template-columns: 1fr; gap: 24px; padding-top: 32px; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .toc a { border: 1px solid var(--border); border-radius: var(--radius); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }

  .nav { gap: 12px; }
  .nav-toggle {
    display: inline-flex; margin-left: auto; font: inherit; font-size: 0.85rem; font-weight: 600;
    background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 6px 10px; cursor: pointer;
  }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px var(--gutter) 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 6px; }
  .nav-end { margin-left: 0; }
  .nav-end .btn { display: none; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }
  body { font-size: 15.5px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .grid-3, .grid-2, .grid-5, .facts { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { border-left: 0 !important; border-top: 1px solid var(--border); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(2n) { border-left: 1px solid var(--border) !important; }
  .stat:last-child { grid-column: 1 / -1; border-left: 0 !important; }
  .stat .num { font-size: 1.6rem; }
  .trust { grid-template-columns: 1fr; }
  .trust-item { border-right: 0 !important; border-bottom: 1px solid var(--border) !important; }
  .trust-item:last-child { border-bottom: 0 !important; }
  .hw-item { grid-template-columns: 1fr; gap: 6px; }
  .meter-row { grid-template-columns: 1fr 64px; }
  .meter-row .bar { grid-column: 1 / -1; grid-row: 2; }
  .toast { position: relative; left: 0; bottom: 0; width: 100%; margin-top: 12px; }
  .issue details > summary { grid-template-columns: 16px 1fr; padding: 12px 16px; }
  .issue .inum { grid-column: 2; }
  .issue .ititle { grid-column: 2; }
  .issue .ilabels { grid-column: 2; justify-content: flex-start; }
  .ibody { padding: 0 16px 16px 44px; }
  .mcard-head { padding: 18px 16px; }
  .theme-switch button { padding: 4px 7px; }
  .foot-grid { grid-template-columns: 1fr; }
  .btn { padding: 12px 16px; }
}

@media (max-width: 420px) {
  .nav { gap: 8px; }
  .brand img { height: 24px; }
  .nav-toggle { padding: 5px 8px; font-size: 0.8rem; }
  .theme-switch button { padding: 3px 6px; font-size: 0.72rem; }
  h1 { font-size: 2.2rem; }
}