/* Layout: an engineering pad. Graph-paper ground, one figure (an ambiguous cube) as the hero, notes in the margin. */
:root {
  --paper: #eef3ec;
  --grid-fine: rgba(46, 110, 84, 0.10);
  --grid-major: rgba(46, 110, 84, 0.20);
  --ink: #1d2a26;
  --ink-soft: #4d5f58;
  --pencil: #d2462f;
  --line: rgba(29, 42, 38, 0.18);
  --card: rgba(255, 255, 255, 0.55);
  --display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --body: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #142420;
    --grid-fine: rgba(150, 220, 190, 0.06);
    --grid-major: rgba(150, 220, 190, 0.12);
    --ink: #e4eee8;
    --ink-soft: #9fb5ab;
    --pencil: #ff7a5c;
    --line: rgba(228, 238, 232, 0.16);
    --card: rgba(10, 22, 19, 0.55);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #142420;
  --grid-fine: rgba(150, 220, 190, 0.06);
  --grid-major: rgba(150, 220, 190, 0.12);
  --ink: #e4eee8;
  --ink-soft: #9fb5ab;
  --pencil: #ff7a5c;
  --line: rgba(228, 238, 232, 0.16);
  --card: rgba(10, 22, 19, 0.55);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-fine) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-fine) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--body);
  padding-inline: 20px;
  padding-block: 0;
}
.wrap { max-width: 1040px; margin: 0 auto; }

header.top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-block: 22px;
  font: 500 0.78rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
}
.mark { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.mark svg { width: 26px; height: 26px; }

.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px; align-items: center;
  padding-block: 40px 56px;
}
.hero-text { min-width: 0; }
.eyebrow { font: 500 0.78rem/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--pencil); margin: 0 0 18px; }
h1 {
  font: 800 clamp(3rem, 8vw, 5.6rem)/0.92 var(--display);
  letter-spacing: -0.035em; margin: 0 0 26px; text-wrap: balance;
}
h1 .q { color: var(--pencil); font-weight: 500; }
.lede { font-size: 1.25rem; line-height: 1.55; max-width: 34ch; margin: 0 0 14px; }
.lede strong { font-weight: 500; }
.sub { color: var(--ink-soft); max-width: 44ch; margin: 0; }

figure.fig { margin: 0; min-width: 0; cursor: pointer; }
.canvas-box {
  position: relative; width: 100%; max-width: 460px; aspect-ratio: 1; margin-inline: auto;
  cursor: pointer; border-radius: 50%;
}
.canvas-box:focus-visible { outline: 2px dashed var(--pencil); outline-offset: 6px; }
canvas { width: 100%; height: 100%; display: block; }
figcaption {
  font: 400 0.8rem/1.5 var(--mono); color: var(--ink-soft); text-align: center;
  max-width: 40ch; margin: 14px auto 0;
}
figcaption b { color: var(--pencil); font-weight: 500; }

section.block { padding-block: 44px; border-top: 1px solid var(--line); }
.block-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 26px;
}
h2 { font: 800 clamp(1.7rem, 3.6vw, 2.3rem)/1.05 var(--display); letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
.note { font: 400 0.8rem/1.4 var(--mono); color: var(--ink-soft); }

.spec { width: 100%; border-collapse: collapse; font-size: 1rem; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.spec th {
  width: 34%; padding-right: 20px;
  font: 500 0.78rem/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
}
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }


.contact { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mail {
  font: 800 clamp(1.4rem, 4.6vw, 2.4rem)/1.1 var(--display); letter-spacing: -0.02em;
  color: var(--ink); text-decoration: underline; text-decoration-color: var(--pencil);
  text-decoration-thickness: 3px; text-underline-offset: 6px; overflow-wrap: anywhere; min-width: 0;
}
.mail:hover { color: var(--pencil); }
.copy {
  font: 500 0.78rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 4px;
  padding: 10px 14px; cursor: pointer;
}
.copy:hover { border-color: var(--pencil); color: var(--pencil); }
.copy:focus-visible, .mail:focus-visible { outline: 2px dashed var(--pencil); outline-offset: 4px; }

footer {
  border-top: 1px solid var(--line); padding-block: 26px 40px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font: 400 0.78rem/1.5 var(--mono); color: var(--ink-soft);
}

@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 20px 40px; gap: 20px; }
  figure.fig { order: -1; }
  .canvas-box { max-width: 300px; }
  .spec th { width: 40%; }
}

footer a { color: var(--ink-soft); text-decoration-color: var(--pencil); text-underline-offset: 3px; }
footer a:hover { color: var(--pencil); }

/* The privacy page */
.doc { max-width: 680px; padding-block: 24px 56px; }
.doc h1 { font-size: clamp(2.4rem, 7vw, 3.6rem); margin-bottom: 10px; }
.doc .updated { font: 400 0.8rem/1.4 var(--mono); color: var(--ink-soft); margin: 0 0 30px; }
.doc h2 { font-size: 1.35rem; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--ink); }
.doc ul { padding-left: 1.2em; }
.doc a { color: var(--ink); text-decoration-color: var(--pencil); text-underline-offset: 3px; }
.doc a:hover { color: var(--pencil); }

/* The consent bar (only when Google Analytics is configured) */
.consent {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  background: var(--paper); border-top: 1px solid var(--line);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.08);
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom, 0px));
  display: flex; align-items: center; justify-content: center; gap: 12px 16px; flex-wrap: wrap;
  font-size: 0.95rem;
}
.consent p { margin: 0; max-width: 52ch; }
.consent .btns { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn {
  font: 500 0.78rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 4px;
  padding: 10px 14px; cursor: pointer;
}
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn:hover { border-color: var(--pencil); }
.btn:focus-visible { outline: 2px dashed var(--pencil); outline-offset: 3px; }
.consent a { color: var(--ink-soft); font: 400 0.8rem/1 var(--mono); }