:root {
  --desk: #2a1c24; --mag: #c43a6a; --paper: #f4eadc; --mute: #b89aa4; --ink: #f4e8ec;
  --display: "Newsreader", "Noto Serif SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 70px; }
body { margin: 0; background: var(--desk); color: var(--ink); font-family: var(--sans); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--mag); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
.tint { pointer-events: none; position: fixed; inset: 0; z-index: 6; opacity: 0.12; background-image: url("images/texture.webp"); background-size: 360px auto; mix-blend-mode: multiply; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--mag); color: #fff; padding: 8px; }
.lens-bar { position: sticky; top: 0; z-index: 40; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 24px; background: rgba(42,28,36,0.94); border-bottom: 1px solid #6a3048; }
.brand { font-family: var(--display); font-weight: 600; }
.brand small { display: block; font-family: var(--mono); font-size: 10px; color: var(--mute); }
.nav-toggle { display: none; background: var(--mag); border: 0; color: #fff; padding: 6px 12px; }
.case-links { display: flex; gap: 14px; font-size: 14px; flex-wrap: wrap; }
.case-links a { color: var(--mute); }
.case-links a.is-active, .case-links a:hover { color: var(--mag); }
.case-links .live { background: var(--mag); color: #fff; padding: 6px 12px; }
.hero { display: grid; grid-template-columns: 1.1fr 0.95fr; min-height: 86vh; }
.hero figure { margin: 0; }
.hero img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.copy { padding: 40px 32px; align-self: center; }
.kicker { font-family: var(--mono); letter-spacing: 0.14em; font-size: 11px; color: var(--mag); margin: 0 0 10px; }
h1, h2, h3 { font-family: var(--display); margin: 0 0 10px; line-height: 1.15; }
h1 { font-size: clamp(32px, 5vw, 52px); }
.lead { color: var(--mute); }
.file { margin: 18px 0; padding: 16px; background: #3a2430; border-left: 8px solid var(--mag); }
.file button { margin-top: 8px; background: var(--mag); color: #fff; border: 0; padding: 8px 14px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; padding: 10px 16px; border: 1px solid currentColor; }
.btn.fill { background: var(--mag); color: #fff; border-color: var(--mag); }
.w { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
#need, #file, #rules { background: var(--paper); color: #2a1c24; }
#need .kicker, #file .kicker, #rules .kicker, .app-link { color: #8a2848; }
.magenta { background: #3a2430; }
.tri { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 16px; }
.tri article { background: rgba(255,255,255,0.05); padding: 16px; }
#need .tri article { background: #fff; }
.tri ul, .io ul, #rules ol { margin: 0; padding-left: 1.1em; }
.steps { padding-left: 1.2em; }
.wide { margin: 24px 0 0; }
.wide img { width: 100%; height: 240px; object-fit: cover; }
.wide figcaption { font-size: 13px; color: var(--mute); margin-top: 8px; }
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.io > div { background: #2a1c24; padding: 16px; }
.url { margin-top: 16px; font-family: var(--mono); font-size: 13px; }
footer { padding: 20px 24px 40px; color: var(--mute); font-size: 13px; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .lens-bar { flex-wrap: wrap; }
  .case-links { display: none; width: 100%; flex-direction: column; background: #2a1c24; padding: 12px; }
  .case-links.open { display: flex; }
  .hero, .tri, .io { grid-template-columns: 1fr; }
}