/* Tint — paper, ink, one highlighter; the eye is a fixed field of type behind the page, coloured through the letters. */
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("../assets/fonts/IBMPlexMono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("../assets/fonts/IBMPlexMono-500.woff2") format("woff2"); }
:root {
  color-scheme: light;
  --paper: #efece2; --ink: #15140e; --ink-soft: #6a675c; --mark: #e8e02a; --rule: rgba(21, 20, 14, .16);
  --lens: #8a6a3b;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace; --sans: Onest, system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--paper); }
html, body { overflow-x: clip; }
body { min-height: 100svh; color: var(--ink); background: var(--paper); font: 300 17px/1.6 var(--sans); }
button, input { font: inherit; color: inherit; }
.eyebrow { margin: 0 0 8px; font: 500 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.corners { position: fixed; z-index: 9; top: 12px; left: 12px; display: flex; gap: 8px; white-space: nowrap; }
.corner { flex: none; white-space: nowrap; padding: 4px 8px; background: var(--paper); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; }
.corner:hover, .corner:focus-visible { color: var(--ink); outline: none; }
::selection { background: var(--mark); color: var(--ink); }

/* ---------- the eye: real text, fixed behind the page; a small second block of the same text colours the iris, a canvas lays the paper back over the letters ---------- */
.field, .iris { margin: 0; padding: 0; font: 400 10px/11px var(--mono); letter-spacing: 0; white-space: pre; }
.field { position: fixed; inset: 0; z-index: 0; overflow: hidden; color: var(--ink); user-select: text; cursor: pointer; }
/* the iris: the same letters again, only the ones under the iris, coloured through the glyphs; a small block, so it can move every frame */
.iris { position: fixed; top: 0; left: 0; z-index: 1; pointer-events: none; user-select: none; color: transparent; -webkit-background-clip: text; background-clip: text; background-repeat: no-repeat; }
@supports not ((background-clip: text) or (-webkit-background-clip: text)) { .iris { color: var(--lens); } }
.tone { position: fixed; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; }

/* ---------- the page over it ---------- */
.page { position: relative; z-index: 3; pointer-events: none; }
.page .copy, .page .card, .page .colophon p { pointer-events: auto; }
.hero { min-height: 100svh; display: grid; align-items: end; justify-items: end; padding: 60px clamp(18px, 4vw, 48px) clamp(40px, 8vh, 80px); pointer-events: none; }
.hero .copy { width: min(30rem, 46vw); padding: 34px 30px 30px; margin: -34px -30px -30px; background: radial-gradient(120% 130% at 70% 60%, var(--paper) 58%, rgba(239, 236, 226, 0) 100%); display: grid; gap: 16px; }
.hero .eyebrow { color: var(--ink); }
h1 { font: 400 clamp(2rem, 4.1vw, 3.35rem)/1.03 var(--sans); letter-spacing: -.03em; text-wrap: balance; }
h1 mark { background: linear-gradient(100deg, rgba(232,224,42,0) 0%, var(--mark) 3%, var(--mark) 97%, rgba(232,224,42,0) 100%); mix-blend-mode: multiply; color: inherit; padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.lede { font-size: 15px; line-height: 1.55; color: #322f26; max-width: 36ch; text-wrap: pretty; }
.wearing { font: 500 12px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.wearing b { font-weight: 500; color: var(--lens); transition: color .5s; }
.hint { font: 500 11px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); transition: opacity .6s; }
.hint.gone { opacity: 0; }

/* ---------- the cards: paper come back up ---------- */
.card { width: min(100%, 1100px); margin: 0 auto 28px; padding: clamp(24px, 4vw, 48px); background: var(--paper); border: 1px solid var(--rule); box-shadow: 0 30px 80px rgba(21, 20, 14, .10); display: grid; gap: 14px; }
.card h2 { font: 400 clamp(26px, 3.2vw, 44px)/1.05 var(--sans); letter-spacing: -.03em; max-width: 22ch; text-wrap: balance; }
.body { max-width: 640px; color: #322f26; text-wrap: pretty; }
.lenses { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 8px; }
.lens { display: grid; grid-template-columns: 34px 1fr; gap: 4px 12px; align-items: center; width: 100%; padding: 12px; border: 1px solid var(--rule); border-radius: 8px; background: transparent; text-align: left; cursor: pointer; transition: border-color .25s, background-color .25s; }
.lens:hover, .lens:focus-visible { border-color: var(--ink); outline: none; }
.lens[aria-pressed="true"] { border-color: var(--ink); background: rgba(21, 20, 14, .04); }
.lens i { grid-row: 1 / 3; display: block; width: 34px; height: 34px; border-radius: 50%; background: radial-gradient(circle at 50% 50%, var(--ink) 0 26%, var(--c) 30%, color-mix(in srgb, var(--c) 60%, var(--ink)) 92%, var(--paper) 96%); box-shadow: inset 0 0 0 1px rgba(21,20,14,.25); }
.lens b { font: 400 16px/1.3 var(--sans); }
.lens span { font: 400 12px/1.4 var(--sans); color: var(--ink-soft); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 22px; margin-top: 8px; max-width: 720px; }
.facts dt { font: 500 11px/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.facts dd { color: #322f26; }
.finder { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: end; max-width: 520px; margin-top: 6px; }
.finder label { grid-column: 1 / -1; font: 500 11px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.finder input { padding: 12px 14px; border: 1px solid var(--rule); border-radius: 8px; background: rgba(255,255,255,.5); font: 300 16px/1.3 var(--sans); }
.finder input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.finder button { padding: 12px 16px; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--paper); font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.finder button:hover, .finder button:focus-visible { background: transparent; color: var(--ink); outline: none; }
.result { font: 400 14px/1.6 var(--mono); color: var(--ink-soft); white-space: pre-line; }
.result:empty { display: none; }
.colophon { width: min(100%, 1100px); margin: 0 auto; padding: 24px clamp(18px, 4vw, 48px) 60px; }
.colophon p { max-width: 760px; padding: 16px 18px; background: var(--paper); font: 400 12px/1.6 var(--mono); color: var(--ink-soft); }

@media (max-width: 860px) {
  .field, .iris { font: 400 9px/10px var(--mono); }
  .hero { align-items: end; justify-items: stretch; padding: 62svh 14px 30px; }
  .hero .copy { width: auto; margin: 0; padding: 18px 16px; background: var(--paper); border: 1px solid var(--rule); }
  .card { margin: 0 14px 18px; width: auto; }
  .facts { grid-template-columns: 1fr; gap: 4px; }
  .facts dd { margin-bottom: 10px; }
  .finder { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .hint, .wearing b, .lens { transition: none; }
}