/* Helix flow showpiece, in the Craftwild kit (~/Dev/parts/kits.json "craftwild"): white paper on a faint 9px grid,
   light black type set large, tracked mono numbers in pixel-stepped badges, no rounded corners anywhere. */
:root { --ink: #0a0a0a; --ink-2: #2a2a2a; --muted: #8b8b8b; --line: rgba(10, 10, 10, .12); --cell: 9px; --navy: #1c2541;
  --mono: "Geist Mono", "SFMono-Regular", ui-monospace, Menlo, monospace; --gutter: clamp(16px, 5vw, 54px); }
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  color: var(--ink); overflow-x: hidden; font: 400 16px/1.5 Geist, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased;
  background: #fff linear-gradient(#f3f3f3 1px, transparent 1px) 0 0 / 100% var(--cell),
              linear-gradient(90deg, #f3f3f3 1px, transparent 1px) 0 0 / var(--cell) 100%;
  background-color: #fff;
}
main { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: clamp(20px, 4vh, 44px);
  padding: clamp(40px, 7vh, 84px) 0 clamp(40px, 7vh, 84px); }
.head { padding: 0 var(--gutter); display: grid; gap: calc(var(--cell) * 2); }
h1 { font-weight: 400; font-size: clamp(34px, 6.6vw, 70px); line-height: 1; letter-spacing: -.03em; }
.lede { max-width: 40ch; color: var(--ink-2); font-size: clamp(16px, 1.9vw, 19px); }

/* the helix: full-bleed, much taller than the bank's 3:1 band so the coil reads on a phone */
.helix { --hx-ratio: 1050 / 560; --hx-gap: 18px; }
.helix__steps { padding: 0 var(--gutter); margin-top: clamp(10px, 2.2vh, 24px); }
.label { display: flex; align-items: center; gap: 10px; font-size: clamp(16px, 1.8vw, 19px); line-height: 1.2; }
.num { display: inline-grid; place-items: center; width: 26px; height: 26px; flex: none; background: var(--navy); color: #fff;
  font: 400 10px/1 var(--mono); letter-spacing: .04em;
  clip-path: polygon(6px 0, calc(100% - 6px) 0, calc(100% - 6px) 3px, calc(100% - 3px) 3px, calc(100% - 3px) 6px, 100% 6px, 100% calc(100% - 6px), calc(100% - 3px) calc(100% - 6px), calc(100% - 3px) calc(100% - 3px), calc(100% - 6px) calc(100% - 3px), calc(100% - 6px) 100%, 6px 100%, 6px calc(100% - 3px), 3px calc(100% - 3px), 3px calc(100% - 6px), 0 calc(100% - 6px), 0 6px, 3px 6px, 3px 3px, 6px 3px, 6px 0); }
.helix__step p { margin-top: 10px; color: #444; font-size: 14px; line-height: 1.5; max-width: 24ch; }