/* DAT4RA landing page. Ivory and graphite, Jost (self-hosted, SIL Open Font License), lots of air.
   No third-party requests. */
@font-face {
  font-family: "Jost";
  src: url("fonts/jost.woff") format("woff");
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --ink: #0b0b0c; --muted: #6b6760; --line: #e7e1d8; --ivory: #f7f3ee; --paper: #fbf9f6; --graphite: #16181b;
  --violet: #b9aaf6; --blue: #a8cdf6; --pink: #f4a6bd; --peach: #f6b8a0; --green: #9fdcbc;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 17px/1.65 "Jost", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
h1, h2, h3 { font-weight: 400; margin: 0; }
h1 { font-size: clamp(42px, 6.4vw, 76px); line-height: 1.05; letter-spacing: -0.01em; margin-bottom: 26px; }
h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.12; margin-bottom: 18px; }
h3 { font-size: 21px; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.kicker { font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.muted { color: var(--muted); }
.status { background: var(--graphite); color: #d9d4cc; font-size: 13px; letter-spacing: 0.02em; text-align: center; padding: 9px 16px; }
header { position: sticky; top: 0; z-index: 2; background: rgba(251, 249, 246, 0.94); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 36px; height: 76px; }
header nav { display: flex; gap: 28px; flex: 1; }
header nav a { text-decoration: none; color: var(--muted); font-size: 15px; letter-spacing: 0.02em; }
header nav a:hover { color: var(--ink); }
.btn { display: inline-block; background: var(--ink); color: var(--ivory); border: 1px solid var(--ink); border-radius: 999px;
  padding: 13px 26px; font-size: 15px; letter-spacing: 0.04em; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #cfc8bd; }
.hero { background: var(--ivory); padding: 104px 0 112px; }
.hero .wrap { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 56px; align-items: center; }
.hero p.lead { font-size: 21px; color: var(--muted); max-width: 600px; }
.hero .art { width: 100%; max-width: 380px; justify-self: end; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.say { font-size: 14px; color: var(--muted); margin-top: 22px; }
section.block { padding: 104px 0; }
section.ivory { background: var(--ivory); }
section.dark { background: var(--graphite); color: var(--ivory); }
section.dark .muted, section.dark .kicker { color: #a8a39b; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 48px; }
.steps .n { display: block; font-size: 15px; letter-spacing: 0.18em; color: var(--muted); margin-bottom: 18px; }
.steps .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 10px; vertical-align: 1px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 48px;
  background: var(--line); border: 1px solid var(--line); }
.grid > div { background: var(--paper); padding: 32px; }
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.panel { background: var(--ivory); border-radius: 4px; padding: 36px; }
pre { background: #202326; color: #d9d4cc; border-radius: 4px; padding: 22px; overflow-x: auto;
  font: 13px/1.7 ui-monospace, "Cascadia Code", Consolas, monospace; }
.soon { text-align: center; max-width: 640px; margin: 0 auto; }
footer { padding: 44px 0 60px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
@media (max-width: 880px) {
  header nav { display: none; }
  .hero .wrap, .steps, .split, .grid { grid-template-columns: 1fr; }
  .hero .art { justify-self: start; max-width: 220px; }
  .hero { padding: 64px 0 72px; }
  section.block { padding: 72px 0; }
}

/* The project page */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; max-width: 900px; }
.facts b { display: block; font-size: 40px; font-weight: 400; line-height: 1.1; }
.facts span { font-size: 14px; color: var(--muted); }
.flow { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 44px 0 0; padding: 0; }
.flow li { counter-increment: step; background: var(--ivory); border-radius: 4px; padding: 22px 20px; position: relative; }
.flow li::before { content: "0" counter(step); display: block; font-size: 13px; letter-spacing: 0.18em; color: var(--muted); margin-bottom: 10px; }
.flow b { display: block; font-weight: 400; font-size: 19px; margin-bottom: 6px; }
.flow span { font-size: 14px; color: var(--muted); }
@media (max-width: 880px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr; }
}

/* The demo sign-in */
body.gate { min-height: 100vh; display: grid; place-items: center; background: var(--ivory); }
.gate main { width: min(440px, calc(100% - 48px)); padding: 48px 0; }
.gate h1 { font-size: 40px; margin: 40px 0 14px; }
.gate form { margin: 18px 0; display: grid; gap: 10px; }
.gate label { font-size: 14px; letter-spacing: 0.06em; color: var(--muted); }
.gate h2 { font-size: 22px; margin: 36px 0 0; }
.gate label span { letter-spacing: 0; opacity: 0.7; }
.gate input, .gate textarea { font: inherit; padding: 14px 16px; border-radius: 12px; border: 1px solid #d8d1c6; background: #fff; }
.gate textarea { resize: vertical; min-height: 96px; }
.gate label:not(:first-child) { margin-top: 6px; }
.gate hr { border: 0; border-top: 1px solid #e3ddd3; margin: 36px 0 0; }
.gate .trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.gate .btn { justify-self: start; margin-top: 6px; cursor: pointer; }
.gate .small { font-size: 14px; }
.gate .notice { color: #a3392c; }