/* Vince Liu, direction B: warm white, ink type, one vermilion signal dot. */
:root {
  --paper: #fbfaf7; --paper-2: #f1efea; --ink: #1c1b19; --muted: #67645e;
  --hairline: #e4e1da; --signal: #d94a2b; --danger: #b3261e;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151513; --paper-2: #1e1d1b; --ink: #f1efea; --muted: #a19d95;
    --hairline: #2c2a27; --signal: #e8603f; --danger: #f2877b;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/28px var(--sans); }
a { color: var(--ink); text-underline-offset: 3px; }
a:hover { color: var(--muted); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: max(16px, env(safe-area-inset-left, 0px)); }
.label { font: 500 12px/16px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0; }
.label.ink { color: var(--ink); }
.muted { color: var(--muted); }
.rule { border-top: 1px solid var(--hairline); }

/* Top bar */
.top { border-bottom: 1px solid var(--hairline); }
.top .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-block: 16px; }
.top nav { display: flex; flex-wrap: wrap; gap: 20px; }
.top a { text-decoration: none; }
.top a.name { color: var(--ink); }
.top nav a { color: var(--muted); }
.top nav a[aria-current] { color: var(--ink); }

/* Type */
h1, h2, h3 { font-weight: 400; margin: 0; }
.display { font-size: clamp(40px, 7vw, 64px); line-height: 1.04; letter-spacing: -.03em; }
.giant { font-size: clamp(64px, 12vw, 96px); line-height: .95; letter-spacing: -.04em; }
.title { font-size: 32px; line-height: 38px; letter-spacing: -.02em; }
.lede { font-size: 18px; line-height: 28px; color: var(--muted); max-width: 54ch; margin: 0; }
p { margin: 0; }

/* Controls */
.btn { display: inline-flex; align-items: center; height: 48px; padding: 0 26px; border-radius: 999px; border: 1px solid var(--hairline); background: transparent; color: var(--ink); font: 500 15px var(--sans); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); font-weight: 600; }
.btn.primary:hover { color: var(--paper); opacity: .9; }
.btn[disabled] { opacity: .5; cursor: progress; }
.row { display: flex; flex-wrap: wrap; gap: 12px; }
.badge { display: inline-flex; align-self: flex-start; align-items: center; gap: 8px; height: 28px; padding: 0 12px; border-radius: 999px; background: var(--paper-2); font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); flex: none; }

/* Sections */
section { display: flex; flex-direction: column; gap: 24px; }
.split { display: flex; flex-wrap: wrap; gap: 64px; }
.split > .side { flex: 1 1 280px; display: flex; flex-direction: column; gap: 16px; }
.split > .main { flex: 2 1 480px; min-width: 0; }
.ph { background: var(--paper-2); display: grid; place-items: center; }

/* Numbered list of facts */
.facts { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.facts > * { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--hairline); font-size: 15px; line-height: 22px; }
.facts dt, .facts .k { font: 500 12px/22px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; }

/* Forms */
.panel { background: var(--paper-2); border-radius: 8px; padding: 32px; }
.field { display: flex; flex-direction: column; gap: 6px; }
input[type="email"] { height: 48px; padding: 0 14px; border: 1px solid var(--hairline); border-radius: 6px; background: var(--paper); color: var(--ink); font: 16px var(--sans); width: 100%; }
fieldset { margin: 0; padding: 0; border: 0; }
legend { padding: 0; margin-bottom: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--hairline); font: 500 14px var(--sans); }
.chip span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--hairline); }
.chip input:checked + span { border-color: var(--ink); background: var(--paper); }
.chip input:checked + span::before { background: var(--signal); }
.chip input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.small { font-size: 13px; line-height: 18px; color: var(--muted); }
.msg { font-size: 15px; line-height: 22px; }
.msg.err { color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

footer.foot { border-top: 1px solid var(--hairline); }
footer.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-block: 16px; }
footer.foot a { color: var(--muted); text-decoration: none; }