/*
 * dekiengine.com — Variation A: Schematic / Mono.
 * Port of variation-schematic.jsx. Warm-neutral dark with an electric
 * lime accent. JetBrains Mono everywhere, Space Grotesk for display.
 * Hairline grids, datasheet annotations.
 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0b0d;
  --bg2:       #101113;
  --bg3:       #15161a;
  --bg-code:   #060709;

  --line:      #1d1f23;
  --line2:     #26282d;

  --fg:        #e8e6e1;
  --dim:       #7a7a76;
  --dim2:      #52524f;

  /* Electric lime/amber. The single accent across the entire site. */
  --amber:     oklch(0.88 0.18 125);
  --amber-dim: oklch(0.62 0.13 125);
  --amber-soft: color-mix(in oklab, oklch(0.88 0.18 125) 12%, transparent);

  /* Syntax-highlight greens / yellows tuned to the amber accent. */
  --str:       #9bd0a0;
  --num:       #e2c799;

  --mono:    "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, Consolas, monospace;
  --display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Page gutter — JSX uses 64px. Falls back tighter on narrow screens. */
  --gutter: 64px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 32px micro-grid; very subtle, drawn across the whole page. */
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 32px 32px;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--fg); }

code { font-family: var(--mono); color: var(--fg); }

/* ──────────────────────────── NAV ──────────────────────────── */
nav.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  position: relative;
  width: 28px; height: 28px;
  border: 1px solid var(--amber);
  display: grid;
  place-items: center;
}
.brand-mark .dot {
  width: 8px; height: 8px;
  background: var(--amber);
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1px dashed var(--amber-dim);
  opacity: 0.45;
}

.brand-name {
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--fg);
}
.brand-name .slash { color: var(--dim); }

.brand-version {
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.14em;
  border: 1px solid var(--line2);
  padding: 2px 6px;
  margin-left: 8px;
  text-transform: uppercase;
}

.site-nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  align-items: center;
}

.site-nav-links a {
  color: var(--dim);
  text-decoration: none;
}
.site-nav-links a:hover { color: var(--fg); }
.site-nav-links a .slashes { color: var(--dim2); }
.site-nav-links a.nav-github { color: var(--amber); }
.site-nav-links a.nav-github:hover { color: var(--fg); }

/* ──────────────────────────── REUSABLE: stamp + tag ──────────────────────────── */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.stamp .idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 18px;
  border: 1px solid var(--line2);
  color: var(--amber);
  border-radius: 2px;
  font-size: 9.5px;
}

.tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
.tag.accent { color: var(--amber); }

/* ──────────────────────────── HERO ──────────────────────────── */
.hero {
  padding: 88px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  border-bottom: 1px solid var(--line);
}

.hero-head {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
}

.hero-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(56px, 7vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin: 0;
}
.hero-title .accent {
  color: var(--amber);
  font-weight: 700;
}

.hero-lede {
  margin-top: 32px;
  max-width: 460px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--dim);
  font-family: var(--mono);
}

.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--amber);
  color: var(--bg);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--amber);
  transition: filter 0.15s;
}
.btn-primary:hover { filter: brightness(1.08); color: var(--bg); }

.btn-secondary {
  border: 1px solid var(--line2);
  color: var(--fg);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--amber); color: var(--amber); }

/* Hero spec strip: 4-up datasheet header. */
.spec-strip {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.spec-cell {
  padding: 14px 14px;
  border-left: 1px solid var(--line);
}
.spec-cell:first-child { border-left: none; }
.spec-key {
  font-size: 9.5px;
  color: var(--dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.spec-val {
  font-family: var(--display);
  font-size: 18px;
  color: var(--fg);
  margin-top: 4px;
}

/* Image placeholder: diagonal hatch + amber crosshair corners. Used in hero
 * and editor sections. Drop a real product photo in as a child later. */
.image-placeholder {
  position: relative;
  border: 1px solid var(--line2);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,0.025) 0 1px,
      transparent 1px 14px
    ),
    var(--bg3);
}
.image-placeholder.hero-shot { aspect-ratio: 560 / 380; }
.image-placeholder.editor-shot { aspect-ratio: 720 / 440; }

.image-placeholder .crosshair {
  position: absolute;
  width: 8px; height: 8px;
}
.image-placeholder .crosshair.tl { top: -4px; left: -4px;  border-top: 1px solid var(--amber); border-left: 1px solid var(--amber); }
.image-placeholder .crosshair.tr { top: -4px; right: -4px; border-top: 1px solid var(--amber); border-right: 1px solid var(--amber); }
.image-placeholder .crosshair.bl { bottom: -4px; left: -4px;  border-bottom: 1px solid var(--amber); border-left: 1px solid var(--amber); }
.image-placeholder .crosshair.br { bottom: -4px; right: -4px; border-bottom: 1px solid var(--amber); border-right: 1px solid var(--amber); }

.image-placeholder .label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 16px;
}
.image-placeholder .label .kind {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.image-placeholder .label .size {
  font-family: var(--display);
  font-size: 28px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.image-placeholder .label .hint {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.12em;
}

/* ──────────────────────────── EDITOR + CODE ──────────────────────────── */
.editor-section {
  padding: 96px var(--gutter);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 24px 0 0;
  color: var(--fg);
}
.section-title .accent {
  color: var(--amber);
  font-style: italic;
  font-weight: 400;
}
.section-title .dim { color: var(--dim); }

.section-lede {
  margin-top: 28px;
  max-width: 480px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
  font-family: var(--mono);
}

.section-link {
  display: inline-block;
  margin-top: 32px;
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--amber-dim);
  padding-bottom: 4px;
}
.section-link:hover { color: var(--fg); border-bottom-color: var(--fg); }

/* Code panel — schematic chrome. */
.code-panel {
  border: 1px solid var(--line2);
  background: var(--bg-code);
  align-self: start;
  margin-top: 48px;
}

.code-panel-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.1em;
}
.code-panel-bar::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--amber);
}
.code-panel-bar .file { color: var(--fg); }
.code-panel-bar .note { margin-left: auto; }

.code-panel pre {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--fg);
  white-space: pre;
  overflow-x: auto;
}

.code-panel-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Code syntax classes (used in <pre>). */
.code-panel .kw  { color: var(--amber); }
.code-panel .fn  { color: var(--amber); }
.code-panel .str { color: var(--str); }
.code-panel .cm  { color: var(--dim); }
.code-panel .num { color: var(--num); }

/* ──────────────────────────── FEATURES ──────────────────────────── */
.features-section {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--line);
}

.features-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 48px;
  gap: 32px;
  flex-wrap: wrap;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}

.feature-cell {
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
/* Last column has no right border, last row has no bottom border. */
.feature-cell:nth-child(3n) { border-right: none; }
.feature-cell:nth-last-child(-n+3) { border-bottom: none; }

.feature-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.feature-row .id { font-family: var(--mono); }
.feature-row .icon { color: var(--amber); display: inline-flex; }
.feature-row .icon svg { display: block; }

.feature-cell h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fg);
  line-height: 1.15;
}
.feature-cell p {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dim);
  font-family: var(--mono);
}
.feature-cell code {
  color: var(--fg);
  background: var(--bg-code);
  border: 1px solid var(--line);
  padding: 0 4px;
  font-size: 0.95em;
}

/* ──────────────────────────── PLATFORMS ──────────────────────────── */
.platforms-section {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--line);
}

.platforms-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}
.platforms-head .lede {
  align-self: end;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 480px;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.platform-card {
  padding: 36px 32px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.platform-card:first-child { border-left: none; }

.platform-status {
  display: flex;
  justify-content: flex-end;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
.platform-status.shipping     { color: var(--amber); }
.platform-status.experimental { color: var(--fg); }
.platform-status.open         { color: var(--dim); }

.platform-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.platform-card p {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dim);
}

.platforms-note {
  margin-top: 40px;
  padding: 22px;
  border: 1px dashed var(--line2);
  font-size: 12.5px;
  color: var(--dim);
  line-height: 1.7;
  display: flex;
  gap: 18px;
}
.platforms-note .marker {
  font-size: 10.5px;
  color: var(--amber);
  letter-spacing: 0.16em;
  flex-shrink: 0;
}

/* ──────────────────────────── HARDWARE AS COMPONENTS ──────────────────────────── */
.hardware-section {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.hardware-section .section-lede { max-width: 620px; }

.sensors {
  margin-top: 48px;
  border-bottom: 1px solid var(--line);
}

.sensor-row {
  display: grid;
  grid-template-columns: 72px 1fr 220px 1.2fr;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  align-items: center;
}
.sensor-row .id {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.14em;
}
.sensor-row .name {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg);
}
.sensor-row .spec {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.06em;
}
.sensor-row .spec .chip { color: var(--fg); }
.sensor-row .spec .bus  { margin-top: 4px; }
.sensor-row .desc {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  line-height: 1.6;
}
.sensor-row .name a {
  color: inherit;
  border-bottom: 1px dashed var(--line2);
  padding-bottom: 2px;
}
.sensor-row .name a:hover { color: var(--amber); border-bottom-color: var(--amber); }

/* ──────────────────────────── CTA + FOOTER ──────────────────────────── */
.cta-section {
  padding: 120px var(--gutter) 64px;
}

.cta-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(56px, 8vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 24px 0 32px;
  color: var(--fg);
}

.cta-lede {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 520px;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.cta-buttons .btn-primary,
.cta-buttons .btn-secondary {
  padding: 14px 22px;
}

footer.site-footer {
  margin: 128px var(--gutter) 0;
  padding: 28px 0 64px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  gap: 16px;
  flex-wrap: wrap;
}
footer.site-footer .sys-ok { color: var(--amber); }
footer.site-footer a { color: inherit; border-bottom: 1px dashed var(--line2); }
footer.site-footer a:hover { color: var(--amber); border-bottom-color: var(--amber); }

/* ──────────────────────────── CONTENT PAGES (modules, editor) ──────────────────────────── */
.content-page {
  padding: 80px var(--gutter) 96px;
  border-bottom: 1px solid var(--line);
}

.content-inner { max-width: 960px; }

.content-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 24px 0 0;
  color: var(--fg);
}

.content-lede {
  margin-top: 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 640px;
  font-family: var(--mono);
}

/* Meta strip (repo / chip / bus / depends). Hugo single.html populates it. */
.meta-strip {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.meta-cell {
  padding: 14px 16px;
  border-left: 1px solid var(--line);
}
.meta-cell:first-child { border-left: none; }
.meta-cell .key {
  font-size: 9.5px;
  color: var(--dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.meta-cell .val {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg);
  margin-top: 4px;
  word-break: break-word;
}
.meta-cell a.val { color: var(--amber); }
.meta-cell a.val:hover { color: var(--fg); }

/* Body prose. */
.content-body { margin-top: 48px; color: var(--fg); font-family: var(--mono); font-size: 13.5px; line-height: 1.75; }

.content-body h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-top: 56px;
  margin-bottom: 16px;
}
.content-body h2:first-child { margin-top: 0; }

.content-body h3 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 36px;
  margin-bottom: 12px;
}

.content-body p { color: var(--dim); margin: 0 0 16px; max-width: 720px; }
.content-body ul, .content-body ol { color: var(--dim); margin: 0 0 16px 1.4rem; }
.content-body li { margin-bottom: 6px; }
.content-body strong { color: var(--fg); font-weight: 600; }
.content-body em { color: var(--fg); font-style: normal; border-bottom: 1px dashed var(--line2); }

.content-body code {
  background: var(--bg-code);
  border: 1px solid var(--line);
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--amber);
}
.content-body pre {
  background: var(--bg-code);
  border: 1px solid var(--line2);
  padding: 18px 20px;
  margin: 16px 0 24px;
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.7;
}
.content-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--fg);
}

.content-body a {
  color: var(--amber);
  border-bottom: 1px dashed var(--amber-dim);
}
.content-body a:hover { color: var(--fg); border-bottom-color: var(--fg); }

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 12.5px;
  border: 1px solid var(--line);
}
.content-body th, .content-body td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.content-body th {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.012);
  font-weight: 500;
}
.content-body td { color: var(--dim); }
.content-body td code { color: var(--fg); }
.content-body th:last-child, .content-body td:last-child { border-right: none; }
.content-body tr:last-child td { border-bottom: none; }

/* ──────────────────────────── CATALOG (modules list) ──────────────────────────── */
.catalog-heading {
  margin: 64px 0 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 12px;
}
.catalog-heading::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--amber);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}
.catalog-card {
  padding: 24px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--fg);
  background: transparent;
  transition: background 0.15s, color 0.15s;
  position: relative;
}
.catalog-card:hover { background: rgba(255,255,255,0.012); }
.catalog-card:nth-child(3n) { border-right: none; }

.catalog-card .card-id {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.catalog-card .card-title {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--amber);
  letter-spacing: 0.02em;
}
.catalog-card .card-summary {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  line-height: 1.6;
}
.catalog-card .card-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ──────────────────────────── RESPONSIVE ──────────────────────────── */
@media (max-width: 1100px) {
  :root { --gutter: 40px; }
  .hero,
  .editor-section,
  .platforms-head { grid-template-columns: 1fr; gap: 48px; }
  .platforms-head .lede { align-self: start; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-cell:nth-child(3n)         { border-right: 1px solid var(--line); }
  .feature-cell:nth-child(2n)         { border-right: none; }
  .feature-cell:nth-last-child(-n+3)  { border-bottom: 1px solid var(--line); }
  .feature-cell:nth-last-child(-n+2)  { border-bottom: none; }
  .platforms-grid { grid-template-columns: 1fr; }
  .platform-card { border-left: none; border-top: 1px solid var(--line); }
  .platform-card:first-child { border-top: none; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-card:nth-child(3n) { border-right: 1px solid var(--line); }
  .catalog-card:nth-child(2n) { border-right: none; }
}

@media (max-width: 700px) {
  :root { --gutter: 20px; }
  body { background-size: 24px 24px; }
  nav.site-nav { padding: 14px var(--gutter); flex-wrap: wrap; gap: 16px; }
  .site-nav-links { gap: 16px; font-size: 11.5px; }
  .brand-version { display: none; }
  .hero { padding: 56px var(--gutter); }
  .editor-section,
  .features-section,
  .platforms-section,
  .hardware-section { padding: 64px var(--gutter); }
  .cta-section { padding: 80px var(--gutter) 48px; }
  .spec-strip { grid-template-columns: repeat(2, 1fr); }
  .spec-cell:nth-child(odd) { border-left: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .feature-cell:last-child { border-bottom: none; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card { border-right: none; }
  .sensor-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .sensor-row .id { color: var(--amber); margin-bottom: 4px; }
  footer.site-footer { margin: 64px var(--gutter) 0; padding-bottom: 32px; }
}