@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #fff;
  --alt: #f5f5f7;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --line: #d2d2d7;
  --blue: #0071e3;
  --link: #0066cc;
  --black: #000;
  --on-black: #f5f5f7;
  --on-black-2: #a1a1a6;
  --link-on-black: #2997ff;
  --radius: 28px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;
  --wrap: min(1120px, calc(100% - clamp(2rem, 6vw, 5rem)));
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 64px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.028em; line-height: 1.07; text-wrap: balance; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: .5rem; background: #fff; padding: .5rem 1rem; z-index: 20; border-radius: 8px; }

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, .08);
}
.nav-in { width: var(--wrap); margin: 0 auto; height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); font-weight: 600; font-size: 1.0625rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; font-size: .8125rem; }
.nav-links a { color: var(--ink); opacity: .8; }
.nav-links a:hover { opacity: 1; text-decoration: none; }
.nav-links a.pill { opacity: 1; color: #fff; background: var(--blue); padding: .28rem .8rem; border-radius: 980px; }
.nav-links a.pill:hover { background: #0077ed; }

/* Buttons */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 400;
  color: #fff;
  background: var(--blue);
  border: 0;
  border-radius: 980px;
  padding: .72rem 1.4rem;
  cursor: pointer;
  transition: background-color .2s;
}
.btn:hover { background: #0077ed; text-decoration: none; }
.btn[disabled] { opacity: .5; cursor: progress; }
.more::after { content: " ›"; }
.actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem 1.75rem; }

/* Sections */
.wrap { width: var(--wrap); margin: 0 auto; }
.band { padding: clamp(4.5rem, 10vw, 8rem) 0; }
.band.alt { background: var(--alt); }
.head { text-align: center; max-width: 46rem; margin: 0 auto clamp(2.5rem, 5vw, 4rem); }
.head h2 { font-size: clamp(2.25rem, 5.2vw, 3.5rem); }
.head p { margin-top: 1.1rem; font-size: clamp(1.125rem, 1.8vw, 1.3125rem); line-height: 1.4; color: var(--ink-2); }

/* Hero */
.hero { padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem); text-align: center; }
.hero .eyebrow { font-size: clamp(1.125rem, 1.8vw, 1.3125rem); font-weight: 600; margin-bottom: .7rem; letter-spacing: -.015em; }
.hero h1 { font-size: clamp(3rem, 8vw, 5.75rem); letter-spacing: -.035em; line-height: 1.03; max-width: 13em; margin: 0 auto; }
.hero .lead { max-width: 40rem; margin: 1.6rem auto 2rem; font-size: clamp(1.1875rem, 2vw, 1.5rem); line-height: 1.35; color: var(--ink-2); }
.panel { background: var(--black); border-radius: var(--radius); margin-top: clamp(3rem, 6vw, 5rem); overflow: hidden; color: var(--on-black-2); }
.traces { width: 100%; height: clamp(220px, 34vw, 420px); }
.panel-key { display: flex; flex-wrap: wrap; justify-content: center; gap: .3rem 1.75rem; padding: 0 1.5rem 1.6rem; font-size: .8125rem; }
.dot { display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; margin-right: .45rem; }
.c-blue { background: #2997ff; } .c-violet { background: #bf5af2; } .c-pink { background: #ff6482; }

/* Facts */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.tile { background: #fff; border-radius: var(--radius); padding: clamp(1.75rem, 3vw, 2.5rem); }
.tile h3 { font-size: clamp(1.5rem, 2.4vw, 1.875rem); margin-bottom: .7rem; }
.tile p { color: var(--ink-2); }
.tile.wide { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 1rem 3rem; align-items: center; }
.tile.wide h3 { margin: 0; }

/* Method */
.method { background: var(--black); color: var(--on-black); text-align: center; }
.method h2 { font-size: clamp(2.5rem, 6.4vw, 4.75rem); letter-spacing: -.032em; max-width: 14em; margin: 0 auto; }
.gradient {
  background: linear-gradient(90deg, #2997ff, #bf5af2 55%, #ff6482);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.method p { max-width: 38rem; margin: 1.75rem auto 0; font-size: clamp(1.125rem, 1.8vw, 1.3125rem); line-height: 1.4; color: var(--on-black-2); }

/* Tracks */
.tracks { display: grid; gap: 1.25rem; }
.track { border-radius: var(--radius); background: var(--alt); padding: clamp(2rem, 5vw, 4rem); overflow: hidden; }
.track .kicker { display: block; font-size: 1.0625rem; font-weight: 600; color: var(--ink-2); margin-bottom: .6rem; letter-spacing: -.015em; }
.track h3 { font-size: clamp(2rem, 4.2vw, 3.25rem); margin-bottom: 1.1rem; max-width: 16em; }
.track .body { max-width: 42rem; font-size: clamp(1.0625rem, 1.5vw, 1.1875rem); line-height: 1.47; }
.line { width: 100%; height: 72px; margin-top: 2.25rem; }
.line path { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }

.watch { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 2.25rem 0 1.5rem; padding: 0; list-style: none; }
.watch li { background: #fff; border-radius: 18px; padding: 1.35rem; font-size: .9375rem; line-height: 1.4; color: var(--ink-2); }
.watch svg { width: 28px; height: 28px; margin-bottom: .85rem; stroke: var(--blue); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.watch b { display: block; color: var(--ink); font-size: 1.0625rem; font-weight: 600; margin-bottom: .3rem; }
.small { font-size: .875rem; line-height: 1.45; color: var(--ink-2); }

.track.feature { background: var(--black); color: var(--on-black); }
.track.feature .kicker, .track.feature .soft { color: var(--on-black-2); }
.callout { margin: 1.5rem 0; padding: 1.25rem 1.5rem; border-radius: 18px; background: #1d1d1f; max-width: 42rem; }

/* Models */
.models { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.models .tile h3 { font-size: 1.0625rem; letter-spacing: -.015em; color: var(--ink-2); font-weight: 600; margin-bottom: .75rem; }
.models ul { list-style: none; margin: 0; padding: 0; }
.models li { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: .1rem 1rem; padding: .95rem 0; border-top: 1px solid #e8e8ed; }
.models .name { font-size: clamp(1.1875rem, 2vw, 1.4375rem); font-weight: 600; letter-spacing: -.02em; }
.models .by { font-size: .875rem; color: var(--ink-2); }
.live { color: #1a7f37; font-weight: 600; }
.after { text-align: center; max-width: 38rem; margin: 2.5rem auto 0; color: var(--ink-2); }

/* Join and vote */
.center { text-align: center; }
.join-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.join-grid .tile { background: var(--alt); text-align: center; padding: clamp(2.5rem, 5vw, 4rem) clamp(1.75rem, 3vw, 3rem); display: flex; flex-direction: column; align-items: center; }
.join-grid h2 { font-size: clamp(2rem, 3.4vw, 2.75rem); margin-bottom: 1rem; }
.join-grid p { max-width: 26rem; }
.join-grid .cta { margin-top: auto; padding-top: 1.75rem; }
.vote-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; }
.vote {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 980px;
  padding: .6rem 1.15rem;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
}
.vote svg { width: 19px; height: 19px; }
.vote .count { color: var(--ink-2); font-variant-numeric: tabular-nums; transition: color .2s; }
.vote:hover { border-color: var(--blue); color: var(--blue); }
.vote[aria-pressed="true"], .vote[aria-pressed="true"]:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.vote[aria-pressed="true"] .count { color: #fff; }
.vote[disabled] { cursor: progress; opacity: .6; }
.vote-status { min-height: 1.45em; margin-top: .85rem; }

/* Footer */
.foot { background: var(--alt); padding: 2.5rem 0 1.75rem; font-size: .8125rem; line-height: 1.5; color: var(--ink-2); }
.foot .thanks { color: var(--ink); font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -.025em; line-height: 1.15; text-align: center; padding: 1.5rem 0 3rem; }
.foot .notice { padding-top: 1.25rem; border-top: 1px solid var(--line); }
.foot strong { color: var(--ink); font-weight: 600; }
.foot-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem 1.5rem; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.foot-bar nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.foot-bar a { color: var(--ink); }

/* Inner pages */
.page { width: min(44rem, calc(100% - 2.5rem)); margin: 0 auto; padding: clamp(3rem, 7vw, 5rem) 0 clamp(4rem, 8vw, 6rem); }
.page h1 { font-size: clamp(2.5rem, 6vw, 3.75rem); margin-bottom: 1rem; letter-spacing: -.032em; }
.page .intro { font-size: clamp(1.125rem, 1.8vw, 1.3125rem); line-height: 1.4; color: var(--ink-2); }
.page h2 { font-size: 1.5rem; letter-spacing: -.02em; margin: 2.5rem 0 .6rem; }
.page ul { padding-left: 1.2em; margin: 0 0 1em; }
.page li { margin-bottom: .4em; }
.updated { display: block; font-size: .875rem; color: var(--ink-2); margin-bottom: .75rem; }
.statement { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 600; letter-spacing: -.028em; line-height: 1.1; }

form.card { margin-top: 2.25rem; background: var(--alt); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); }
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-weight: 600; font-size: .9375rem; margin-bottom: .4rem; }
.field .hint { font-weight: 400; color: var(--ink-2); }
.field input, .field textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .72rem .9rem;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 8rem; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0, 113, 227, .18); }
.check { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .6rem; align-items: start; margin-bottom: 1.25rem; font-size: .9375rem; }
.check input { width: 1.1rem; height: 1.1rem; margin-top: .2rem; accent-color: var(--blue); }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cf-turnstile { min-height: 65px; margin-bottom: 1.25rem; }
.form-status { margin: 1rem 0 0; min-height: 1.5em; color: #d70015; font-size: .9375rem; }
.form-status:empty { display: none; }
.thanks-box { margin-top: 2.25rem; background: var(--alt); border-radius: var(--radius); padding: clamp(2rem, 5vw, 3.5rem); text-align: center; }
.thanks-box h2 { margin: 0 0 .6rem; font-size: clamp(2rem, 4vw, 2.75rem); }
.thanks-box:focus { outline: 0; }
#results:focus { outline: 0; }
[hidden] { display: none !important; }

/* Gentle reveal on scroll. Only applied once JavaScript has run. */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .grid-3, .models, .join-grid { grid-template-columns: minmax(0, 1fr); }
  .tile.wide { grid-template-columns: minmax(0, 1fr); }
  .watch { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .watch { grid-template-columns: minmax(0, 1fr); }
  .nav-links a:not(.pill) { display: none; }
  :root { --radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .vote, .vote .count, .field input, .field textarea { transition: none; }
}