/* Docs site (/api/docs/v2/): brand shell around Stoplight Elements, plus the Overview landing page.
   Colours and type follow the BestEx Research brand guidelines (DM Sans; navy text; blue and green). */

:root {
  --navy: #0f2230;
  --blue: #49a7dd;
  --blue-dk: #2282b9;
  --blue-lt: #b6dbf1;
  --green: #9ad19f;
  --tint: #f3f8fc;
  --line: #dfe7ee;
  --hdr: 64px;

  /* Stoplight Elements reads these (pinned to 9.0.25 in docs/product.html). */
  --font-ui: "DM Sans", system-ui, sans-serif;
  --font-prose: "DM Sans", system-ui, sans-serif;
  --primary-h: 202; --primary-s: 69%; --primary-l: 43%;   /* #2282b9 */
  --text-h: 206; --text-s: 52%; --text-l: 12%;           /* #0f2230 */
}
.sl-elements {
  --font-ui: "DM Sans", system-ui, sans-serif;
  --font-prose: "DM Sans", system-ui, sans-serif;
  --primary-h: 202; --primary-s: 69%; --primary-l: 43%;
  --text-h: 206; --text-s: 52%; --text-l: 12%;
}

html, body { margin: 0; }
body { background: #fff; color: var(--navy); font-family: "DM Sans", system-ui, sans-serif; }

/* Elements pads every prose <li> by ~62px with the bullet at ~50px, squeezing callouts into a narrow column. */
.sl-prose ul > li { padding-left: 1.4em !important; }
.sl-prose ul > li::before { left: .3em !important; }

/* ---------- header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto 0; height: var(--hdr); z-index: 1000; background: #fff;
  display: flex; align-items: center; gap: 24px; padding: 0 24px; box-sizing: border-box;
  border-bottom: 1px solid var(--line);
}
.hdr::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--green));
}
.hdr .logo { height: 44px; display: block; }
.hdr .tabs { display: inline-flex; background: var(--tint); border: 1px solid var(--line); border-radius: 8px; padding: 3px; }
.hdr .tabs a {
  color: var(--navy); text-decoration: none; font-weight: 600; font-size: 14px; padding: 6px 14px; border-radius: 6px;
}
.hdr .tabs a:hover { color: var(--blue-dk); }
.hdr .tabs a[aria-current="page"] { background: #fff; box-shadow: 0 1px 3px rgba(15, 34, 48, .15); color: var(--blue-dk); }
.hdr .links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.hdr .links a:not(.btn) {
  color: var(--navy); text-decoration: none; font-weight: 500; font-size: 15px; padding: 8px 12px; border-radius: 6px;
}
.hdr .links a:not(.btn):hover { background: var(--tint); }

.btn {
  display: inline-block; background: var(--blue-dk); color: #fff; text-decoration: none; font-weight: 600;
  font-size: 15px; padding: 9px 16px; border-radius: 6px; border: 1px solid var(--blue-dk);
}
.btn:hover { background: #1b6f9f; }
.btn.ghost { background: #fff; color: var(--blue-dk); }
.btn.ghost:hover { background: var(--tint); }

.messages { position: fixed; top: calc(var(--hdr) + 12px); left: 50%; transform: translateX(-50%); z-index: 1001; }
.message { margin: 0 0 8px; padding: 10px 16px; border-radius: 8px; background: var(--tint); border: 1px solid var(--line); }
.message-error { background: #fdecea; border-color: #f9beba; }

/* ---------- product tabs: Elements fills the page below the header ---------- */
.reference { position: fixed; inset: calc(var(--hdr) + 2px) 0 0 0; }
.reference elements-api { display: block; height: 100%; }

/* ---------- Overview landing ---------- */
.landing { padding-top: var(--hdr); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.hero { background: linear-gradient(180deg, var(--tint), #fff); padding: 64px 0 48px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--blue-dk); margin: 0 0 12px; }
.hero h1 { font-size: 44px; line-height: 1.12; font-weight: 700; margin: 0 0 16px; }
.hero h1 span {
  background: linear-gradient(90deg, var(--blue-dk), var(--blue)); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero .lead { font-size: 18px; line-height: 1.55; margin: 0 0 28px; max-width: 34em; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.code {
  background: var(--navy); color: #fff; border-radius: 10px; padding: 18px 20px;
  font: 13px/1.6 ui-monospace, Menlo, Consolas, monospace; overflow-x: auto; white-space: pre;
}
.code .k { color: var(--blue-lt); }
.code .s { color: var(--green); }
.code .n { color: #fff; font-weight: 700; }
.code-cap { font-size: 13px; margin: 8px 2px 0; }
section.block { padding: 48px 0; }
section.block.tight { padding-top: 0; }
section.block h2 {
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-dk); margin: 0 0 20px;
}
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { border: 1px solid var(--line); border-radius: 10px; padding: 20px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.step .num {
  width: 28px; height: 28px; border-radius: 50%; background: var(--blue-dk); color: #fff; font-weight: 700;
  display: grid; place-items: center; font-size: 14px;
}
.step h3 { margin: 0; font-size: 18px; }
.step p { margin: 0; line-height: 1.5; }
.step .code { font-size: 12px; padding: 12px 14px; }
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 24px; border-top: 4px solid var(--blue); }
.card.eq { border-top-color: var(--green); }
.card h3 { margin: 0 0 4px; font-size: 22px; }
.card .scope { margin: 0 0 14px; font-weight: 500; }
.card ul { margin: 0 0 18px; padding-left: 18px; line-height: 1.7; }
.card .links { display: flex; gap: 16px; flex-wrap: wrap; }
.card .links a, .strip a { color: var(--blue-dk); font-weight: 600; text-decoration: none; }
.card .links a:hover, .strip a:hover { text-decoration: underline; }
.strip { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.strip > div { background: var(--tint); border-radius: 10px; padding: 20px 22px; line-height: 1.55; scroll-margin-top: calc(var(--hdr) + 16px); }
.strip h3 { margin: 0 0 6px; font-size: 17px; }
.disclaimer { border-top: 1px solid var(--line); padding: 24px 0 48px; font-size: 13px; line-height: 1.6; }

@media (max-width: 860px) {
  .hero .wrap, .steps, .products, .strip { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .hdr .links a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  .hdr { gap: 10px; padding: 0 12px; }
  .hdr .logo { height: 34px; }
  .hdr .links .btn { display: none; }
  .hdr .tabs a { padding: 6px 9px; font-size: 13px; }
}