/* UpperHand landing page. One family (Public Sans, made for US government sites); the yellow highlighter marks the
   passage an answer comes from, and is the page's one loud element. */
:root {
  --ink: #14232b;
  --ink-soft: #4a5b63;
  --spruce: #0d4f4a;
  --lagoon: #1c8c7e;
  --mist: #eef4f2;
  --line: #d6e2de;
  --paper: #ffffff;
  --mark: #ffd84d;
  --radius-panel: 28px;
  --radius-card: 16px;
  --radius-field: 10px;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Public Sans", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--lagoon); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; }
.header-row { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -0.01em; text-decoration: none; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--ink-soft); font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--ink); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 22px; border-radius: 999px; border: 0;
  background: var(--spruce); color: #fff; font: inherit; font-weight: 700; font-size: 16px;
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: #0a3f3b; }
.btn-small { padding: 9px 18px; font-size: 15px; }
.btn-light { background: #fff; color: var(--spruce); }
.btn-light:hover { background: var(--mark); color: var(--ink); }
.link-light { color: #fff; font-weight: 600; text-underline-offset: 4px; }

/* hero */
.hero { padding-top: 18px; }
.hero-panel {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center;
  padding: 72px 64px 80px;
  border-radius: var(--radius-panel);
  background:
    radial-gradient(900px 420px at 85% 10%, rgba(255, 216, 77, 0.16), transparent 60%),
    linear-gradient(135deg, var(--spruce) 0%, #12655d 45%, #17796d 100%);
  color: #fff;
}
.hero-copy h1 {
  font-size: clamp(38px, 5vw, 60px); line-height: 1.04; font-weight: 800; letter-spacing: -0.03em;
  max-width: 13ch;
}
.lede { margin-top: 22px; font-size: 19px; line-height: 1.55; color: rgba(255, 255, 255, 0.92); max-width: 46ch; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.hero-stage { position: relative; min-height: 500px; }
/* grid children may shrink below their content (the code sample would widen the page) */
.hero-panel > *, .doc-grid > *, .access-grid > *, .request > *, .uses > * { min-width: 0; }
.card {
  position: absolute; background: #fff; color: var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 2px rgba(10, 40, 37, 0.12), 0 18px 40px -12px rgba(5, 30, 28, 0.45);
  padding: 18px 20px;
}
.who { display: block; font-size: 13px; font-weight: 600; color: #126a60; margin-bottom: 6px; }
.card-question { top: 0; left: 0; width: 82%; }
.card-question p { font-size: 17px; font-weight: 600; line-height: 1.4; }
.card-answer { top: 128px; right: 0; width: 88%; padding: 20px 22px; }
.card-answer p { font-size: 16px; line-height: 1.5; }
.cite { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.chip { font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 999px; background: var(--mist); color: var(--spruce); }
.chip-ok { background: #e4f4e9; color: #1e6b3a; }
.cite-title { font-size: 13.5px; color: var(--ink-soft); flex-basis: 100%; }
.card-source { top: 330px; left: 6%; width: 78%; background: #fbfaf5; transform: rotate(-1.2deg); }
.source-text { font-size: 14px; line-height: 1.55; color: #3c4a50; }
mark { background: linear-gradient(transparent 12%, var(--mark) 12%, var(--mark) 88%, transparent 88%); color: inherit; padding: 0 2px; border-radius: 2px; }

/* the highlighter sweeps across once on load */
@media (prefers-reduced-motion: no-preference) {
  .hero-stage mark { background-size: 0% 100%; background-repeat: no-repeat; animation: sweep 0.9s 0.6s ease-out forwards; }
  .card-source mark { animation-delay: 1.3s; }
  @keyframes sweep { to { background-size: 100% 100%; } }
}

/* sections */
.section { padding: 104px 0 0; }
.section-head { max-width: 760px; }
.section-head h2 { font-size: clamp(30px, 3.4vw, 42px); line-height: 1.12; font-weight: 800; letter-spacing: -0.025em; }
.section-head p { margin-top: 16px; color: var(--ink-soft); font-size: 18px; max-width: 64ch; }

/* the data */
.doc-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.doc { border: 1px solid var(--line); border-radius: var(--radius-card); padding: 26px 26px 24px; background: #fff; }
.doc-wide { grid-column: span 2; background: var(--mist); border-color: transparent; }
.doc h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.doc > p { margin-top: 8px; color: var(--ink-soft); font-size: 15.5px; line-height: 1.55; }
.examples { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.examples li { font-size: 15px; font-weight: 600; line-height: 1.4; padding: 12px 14px; border-radius: 12px; background: #fff; border: 1px solid var(--line); }
.doc-wide .examples { grid-template-columns: repeat(3, 1fr); }
.doc-strip { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 2fr; gap: 8px 32px; align-items: baseline; }
.doc-strip > p { margin-top: 0; }
.doc-wide .examples li { border-color: transparent; }
.examples span { display: block; font-size: 13px; font-weight: 500; color: var(--ink-soft); margin-bottom: 3px; }
.fine { margin-top: 22px; font-size: 14.5px; color: var(--ink-soft); }

/* how you get it */
.section-mist { background: var(--mist); margin-top: 104px; padding: 96px 0; }
.access-grid { margin-top: 40px; display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.access-copy { display: grid; gap: 30px; }
.access-item h3 { font-size: 20px; font-weight: 700; }
.access-item p { margin-top: 6px; color: var(--ink-soft); max-width: 46ch; }
.code-card { margin: 0; background: #0f2a2e; color: #d7e6e2; border-radius: var(--radius-card); padding: 20px 22px 24px; overflow-x: auto; box-shadow: 0 24px 48px -24px rgba(5, 30, 28, 0.6); }
.code-card figcaption { font-size: 13px; font-weight: 600; color: #8fb8ae; margin-bottom: 12px; }
.code-card pre { margin: 0; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 13.5px; line-height: 1.65; }
.c-k { color: var(--mark); font-weight: 500; }
.c-p { color: #9fd8ca; }
.c-s { color: #f3efe2; }

/* who it's for */
.uses { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.use { padding: 22px 24px 0 0; }
.use + .use { padding-left: 24px; border-left: 1px solid var(--line); }
.use h3 { font-size: 18px; font-weight: 700; }
.use p { margin-top: 8px; color: var(--ink-soft); font-size: 15.5px; }

/* request */
.request-section { padding: 104px 0 112px; }
.request {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
  padding: 56px; border-radius: var(--radius-panel); border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--mist) 100%);
}
.request-copy h2 { font-size: clamp(30px, 3.4vw, 40px); line-height: 1.12; font-weight: 800; letter-spacing: -0.025em; }
.request-copy p { margin-top: 16px; color: var(--ink-soft); max-width: 44ch; }
.request-form { display: grid; gap: 16px; }
.request-form label { display: grid; gap: 6px; font-size: 14.5px; font-weight: 600; }
.request-form input, .request-form textarea {
  font: inherit; font-size: 16px; font-weight: 400; color: var(--ink);
  padding: 12px 14px; border: 1px solid #c2d2cd; border-radius: var(--radius-field); background: #fff;
}
.request-form input:focus-visible, .request-form textarea:focus-visible { outline: 3px solid rgba(28, 140, 126, 0.35); outline-offset: 0; border-color: var(--lagoon); }
.request-form textarea { resize: vertical; }
.request-form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-status { font-size: 15px; min-height: 1.5em; }
.form-status.ok { color: #1e6b3a; font-weight: 600; }
.form-status.err { color: #a12a1e; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14.5px; color: var(--ink-soft); }
.footer-row { display: flex; justify-content: space-between; gap: 16px; }

/* smaller screens */
@media (max-width: 980px) {
  .hero-panel { grid-template-columns: 1fr; padding: 56px 36px 48px; }
  .hero-stage { min-height: 510px; max-width: 560px; }
  .doc-strip { grid-template-columns: 1fr; }
  .doc-grid { grid-template-columns: 1fr 1fr; }
  .doc-wide .examples { grid-template-columns: 1fr; }
  .access-grid, .request { grid-template-columns: 1fr; }
  .uses { grid-template-columns: 1fr 1fr; row-gap: 26px; }
  .use:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .header-row { gap: 12px; justify-content: space-between; }
  .hero-panel { padding: 40px 22px 32px; border-radius: 22px; }
  .hero-stage { min-height: 0; display: grid; gap: 14px; }
  .card { position: static; width: auto; transform: none; }
  .doc-grid, .uses { grid-template-columns: 1fr; }
  .doc-wide, .doc-strip { grid-column: auto; }
  .use, .use + .use { padding-left: 0; border-left: 0; }
  .request { padding: 32px 22px; }
  .section { padding-top: 76px; }
}