@import url('/fonts/fonts-local.css');

:root {
  --bg: #fff;
  --ink1: rgba(38, 38, 42, 1);
  --ink2: rgba(38, 38, 42, .82);
  --ink3: rgba(38, 38, 42, .66);
  --ink4: rgba(48, 48, 56, .46);
  --display: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --brand: "Prompt", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --sf: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink1);
  background:
    radial-gradient(120% 80% at 82% 4%, rgba(120, 150, 210, .03), transparent 46%),
    radial-gradient(120% 70% at 10% 30%, rgba(255, 180, 130, .02), transparent 50%),
    var(--bg);
  font-family: var(--sf);
  -webkit-font-smoothing: antialiased;
}

::selection { color: #1a1a1f; background: rgba(20, 20, 24, .16); }

.topbar {
  position: fixed;
  z-index: 44;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 10px clamp(20px, 4vw, 40px);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(40, 40, 48, .08);
  backdrop-filter: blur(18px);
}

.tb-brand,
.ft-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink1);
  font-family: var(--brand);
  font-size: 19px;
  font-weight: 500;
  text-decoration: none;
}

.tb-brand { justify-self: start; }
.tb-brand img,
.ft-brand img { width: 24px; height: 24px; }

.tb-links { display: flex; align-items: center; gap: 4px; }
.tb-link {
  padding: 8px 12px;
  color: rgba(38, 38, 42, .85);
  border-radius: 8px;
  font-size: 15px;
  text-decoration: none;
}
.tb-link:hover,
.tb-link.here { color: var(--ink1); background: rgba(40, 40, 48, .06); }

.tb-action {
  justify-self: end;
  padding: 9px 15px;
  color: #fff;
  background: #242428;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

main {
  width: min(760px, calc(100% - 44px));
  margin: 0 auto;
  padding: 150px 0 96px;
  flex: 1;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--ink4);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  max-width: 690px;
  font-family: var(--display);
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: .98;
}

.lede {
  max-width: 680px;
  margin-top: 26px;
  color: var(--ink3);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.55;
}

.content { margin-top: 72px; }
.content section + section { margin-top: 52px; }
.content h2 {
  margin-bottom: 16px;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 550;
  letter-spacing: -.02em;
}
.content p,
.content li {
  color: var(--ink2);
  font-size: 16px;
  line-height: 1.8;
}
.content p + p { margin-top: 16px; }
.content ul { padding-left: 21px; }
.content li + li { margin-top: 10px; }
.content a { color: var(--ink1); text-underline-offset: 3px; }

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.route-card {
  display: block;
  min-height: 132px;
  padding: 20px;
  color: var(--ink1);
  background: rgba(248, 248, 250, .78);
  border: 1px solid rgba(40, 40, 48, .08);
  border-radius: 18px;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}
.route-card:hover { background: #f6f6f8; transform: translateY(-2px); }
.route-card strong { display: block; margin-bottom: 8px; font-size: 15px; }
.route-card span { color: var(--ink3); font-size: 14px; line-height: 1.55; }

.markdown-guide {
  margin-top: 28px;
  padding: 20px;
  overflow: auto;
  color: #e8e8ed;
  background: #1d1d21;
  border-radius: 14px;
  font: 13px/1.7 ui-monospace, "SF Mono", Menlo, monospace;
  white-space: pre-wrap;
}

footer {
  padding: 34px clamp(22px, 5vw, 64px) 28px;
  border-top: 1px solid rgba(40, 40, 48, .08);
}
.ft {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.ft-links { display: flex; flex-wrap: wrap; gap: 18px; }
.ft-links a { color: var(--ink3); font-size: 13px; text-decoration: none; }
.ft-copy { color: var(--ink4); font-size: 12px; }

@media (max-width: 720px) {
  .topbar { grid-template-columns: 1fr auto; }
  .tb-links { display: none; }
  main { padding-top: 118px; }
  .route-grid { grid-template-columns: 1fr; }
  .ft { align-items: flex-start; flex-direction: column; }
}