@font-face { font-family: 'Bowlby One'; src: url('/fonts/bowlby-one.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'DM Mono'; src: url('/fonts/dm-mono-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'DM Mono'; src: url('/fonts/dm-mono-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }

:root {
  --cream: #f6eee3;
  --paper: #fbf3ed;
  --ink: #0d0c0c;
  --orange: #f27807;
  --orange-deep: #c95f00;
  --rule: 3px solid var(--ink);
  --display: 'Bowlby One', 'Arial Black', sans-serif;
  --mono: 'DM Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 16px/1.6 var(--mono);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
[hidden] { display: none !important; }

/* halftone paper that drifts very slowly */
.paper {
  position: fixed; inset: -40px; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(13, 12, 12, 0.07) 1.2px, transparent 1.4px);
  background-size: 14px 14px;
  animation: drift 60s linear infinite;
}
@keyframes drift { to { transform: translate3d(28px, 28px, 0); } }

.topstrip {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px clamp(16px, 4vw, 48px);
  border-bottom: var(--rule);
  background: var(--ink); color: var(--paper);
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
}
.brandline { display: flex; align-items: center; gap: 8px; font-family: var(--display); letter-spacing: 0.04em; font-size: 16px; }
.brandline img { border-radius: 50%; }
.tag { border: 1.5px solid currentColor; padding: 2px 8px; border-radius: 3px; }
.tick { background: var(--orange); border-color: var(--orange); color: var(--ink); font-weight: 500; }

main { max-width: 1240px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }

/* hero: manual page, copy on the left, exploded-view diagram on the right */
.hero {
  display: grid; grid-template-columns: 1fr; gap: 28px;
  padding: 36px 0 56px; border-bottom: var(--rule);
}
.kicker { margin: 0 0 6px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange-deep); font-weight: 500; }
h1 {
  margin: 0; font: 400 clamp(64px, 17vw, 168px)/0.86 var(--display);
  letter-spacing: -0.02em; text-transform: uppercase;
}
h1 span { color: var(--orange); -webkit-text-stroke: 3px var(--ink); paint-order: stroke fill; }
.lede { max-width: 30em; margin: 18px 0 26px; font-size: 17px; }

.ca {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  max-width: 100%; padding: 10px 12px;
  background: var(--paper); border: var(--rule); border-radius: 6px;
  box-shadow: 5px 5px 0 var(--ink);
}
.ca-label {
  font-family: var(--display); font-size: 14px; padding: 2px 8px;
  background: var(--ink); color: var(--paper); border-radius: 3px;
}
.ca-value { flex: 1 1 14ch; min-width: 0; font: 500 13.5px/1.4 var(--mono); word-break: break-all; }
.ca-copy, .btn {
  font: 500 14px/1 var(--mono); cursor: pointer; color: var(--ink);
  background: var(--orange); border: 2.5px solid var(--ink); border-radius: 4px;
  padding: 9px 14px; text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}
.ca-copy:hover, .btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.ca-copy:active, .btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--ink); }
.ca-copy.done { background: var(--ink); color: var(--paper); }
.ca-copy:focus-visible, .btn:focus-visible, .ca-scan:focus-visible, .icons a:focus-visible { outline: 3px dashed var(--orange-deep); outline-offset: 3px; }
.ca-scan {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 2.5px solid var(--ink); border-radius: 50%; background: var(--paper);
  transition: background-color .12s ease, transform .12s ease;
}
.ca-scan:hover { background: var(--orange); transform: rotate(-8deg); }

.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.btn-buy { font-family: var(--display); font-size: 20px; padding: 14px 22px; letter-spacing: 0.02em; }
.btn-buy i { font-style: normal; display: inline-block; transition: transform .15s ease; }
.btn-buy:hover i { transform: translateX(4px); }
.btn-ghost { background: var(--paper); font-size: 16px; padding: 14px 18px; }

.diagram { position: relative; margin: 0 auto; width: min(100%, 560px); aspect-ratio: 1; }
.disc { position: absolute; inset: 7%; border-radius: 50%; background: var(--ink); }
.ring {
  position: absolute; inset: 2%; border-radius: 50%;
  border: 2px dashed var(--ink); animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.bot {
  position: absolute; inset: 7%; width: 86%; border-radius: 50%;
  animation: bob 3.2s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translateY(-8px) rotate(-1.5deg); } }
.callouts { position: absolute; inset: 0; pointer-events: none; }
.co {
  position: absolute; display: flex; align-items: center; gap: 6px;
  font-size: 12px; letter-spacing: 0.04em; white-space: nowrap;
  background: var(--paper); border: 2px solid var(--ink); border-radius: 3px; padding: 3px 8px 3px 4px;
}
.co b { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--orange); font-family: var(--display); font-weight: 400; font-size: 11px; }
.co-a { top: 2%; left: 0; }
.co-b { top: 34%; right: -2%; }
.co-c { top: 50%; left: -2%; }
.co-d { bottom: 2%; right: 4%; }

/* quick start: numbered manual panels with cut lines */
.steps { padding: 56px 0; border-bottom: var(--rule); }
h2 { margin: 0 0 28px; font: 400 clamp(30px, 6vw, 52px)/1 var(--display); text-transform: uppercase; }
h2 span { display: inline-block; background: var(--orange); padding: 0 10px; margin-right: 8px; border: var(--rule); transform: rotate(-1.5deg); }
.steps h2 { font-size: clamp(24px, 4.6vw, 40px); }
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 0; border: var(--rule); background: var(--paper); }
.step { position: relative; padding: 26px 22px 26px 88px; border-bottom: 2px dashed var(--ink); }
.step:last-child { border-bottom: 0; }
.step .n { position: absolute; left: 18px; top: 20px; font: 400 44px/1 var(--display); color: var(--orange); -webkit-text-stroke: 2px var(--ink); paint-order: stroke fill; }
.step h3 { margin: 0 0 6px; font: 400 22px/1.1 var(--display); text-transform: uppercase; }
.step p { margin: 0 0 14px; max-width: 34em; }
.btn-small { display: inline-block; font-size: 13px; padding: 8px 12px; }

/* spec plate: an engraved rating plate read from the contract */
.spec { padding: 56px 0 72px; display: grid; grid-template-columns: 1fr; gap: 20px; align-items: end; }
.spec-head h2 { margin-bottom: 6px; }
.spec-head p { margin: 0; }
.plate {
  margin: 0; display: grid; grid-template-columns: 1fr 1fr;
  background: var(--ink); color: var(--paper); border-radius: 10px; padding: 8px;
  box-shadow: 6px 6px 0 var(--orange);
}
.plate div { padding: 14px 16px; border: 1px solid rgba(251, 243, 237, 0.18); }
.plate dt { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); }
.plate dd { margin: 4px 0 0; font: 400 clamp(18px, 3vw, 26px)/1.15 var(--display); word-break: break-word; }
.spec-err { margin: 0; color: var(--orange-deep); }

.foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
  padding: 26px clamp(16px, 4vw, 48px) 34px;
  background: var(--ink); color: var(--paper);
}
.foot-brand { display: flex; align-items: center; gap: 10px; font: 400 22px var(--display); }
.foot-brand img { border-radius: 50%; }
.ca-foot { background: transparent; border-color: var(--paper); box-shadow: none; flex: 1 1 320px; max-width: 560px; }
.ca-foot .ca-label { background: var(--orange); color: var(--ink); }
.ca-foot .ca-copy { box-shadow: none; border-color: var(--paper); }
.icons { display: flex; gap: 10px; }
.icons a {
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 2px solid var(--paper); border-radius: 50%;
  transition: background-color .12s ease, color .12s ease, transform .12s ease;
}
.icons a svg { width: 20px; height: 20px; }
.icons a:hover { background: var(--orange); color: var(--ink); border-color: var(--orange); transform: translateY(-2px); }

.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 20px); opacity: 0;
  background: var(--orange); color: var(--ink); border: var(--rule); border-radius: 4px;
  padding: 8px 16px; font-weight: 500; box-shadow: 4px 4px 0 var(--ink);
  transition: opacity .2s ease, transform .2s ease; pointer-events: none;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (min-width: 900px) {
  .hero { grid-template-columns: 1.05fr 1fr; align-items: center; padding: 56px 0 72px; gap: 40px; }
  .steps ol { grid-template-columns: repeat(3, 1fr); }
  .step { border-bottom: 0; border-right: 2px dashed var(--ink); padding: 84px 24px 28px; }
  .step:last-child { border-right: 0; }
  .step .n { top: 22px; left: 24px; }
  .spec { grid-template-columns: 0.8fr 1.2fr; }
  .plate { grid-template-columns: repeat(4, 1fr); }
  .co { font-size: 13px; }
}
@media (max-width: 420px) {
  .co { font-size: 10.5px; }
  .co-b { right: 0; }
  .co-c { left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (min-width: 900px) {
  h1 { font-size: clamp(72px, 8.6vw, 132px); }
  .hero { grid-template-columns: 1fr 1fr; }
}
.plate dd { word-break: normal; overflow-wrap: anywhere; font-size: clamp(17px, 2.2vw, 26px); }
@media (min-width: 900px) { .plate { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .plate dd { font-size: 16px; } .plate div { padding: 12px; } }