:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5b6874;
  --paper: #ffffff;
  --soft: #eef3f2;
  --line: #ccd7d5;
  --teal: #0c655e;
  --teal-dark: #084b46;
  --coral: #c65f45;
  --blue: #315d8a;
  --code: #111a22;
  --focus: #e2a51b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; margin: 0; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
.skip-link { background: var(--ink); color: white; left: 1rem; padding: .7rem 1rem; position: fixed; top: -5rem; z-index: 100; }
.skip-link:focus { top: 1rem; }

.site-header { align-items: center; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); display: flex; gap: 1rem; height: 64px; justify-content: space-between; padding: 0 max(1.25rem, calc((100% - 1180px) / 2)); position: sticky; top: 0; z-index: 20; }
.brand { align-items: center; display: flex; font-weight: 800; gap: .65rem; text-decoration: none; }
.brand-mark { align-items: center; background: var(--teal); border-radius: 6px; color: white; display: inline-flex; height: 32px; justify-content: center; width: 32px; }
.site-header nav, footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-header nav a, footer a { font-size: .9rem; font-weight: 700; text-decoration: none; }
.site-header nav a:hover, footer a:hover, .inline-link:hover { color: var(--teal); }

.product-intro { background-color: #15242d; background-image: url("./assets/cardinal-terminal.png"); background-position: center; background-size: cover; color: white; min-height: 350px; position: relative; }
.product-intro::before { background: rgba(10,20,27,.78); content: ""; inset: 0; position: absolute; }
.intro-content { margin: 0 auto; max-width: 1180px; padding: 4rem 1.25rem; position: relative; }
.intro-content h1 { font-size: 3.2rem; line-height: 1.08; margin: 0 0 1rem; max-width: 850px; overflow-wrap: anywhere; }
.intro-content > p:not(.eyebrow) { font-size: 1.12rem; line-height: 1.65; max-width: 720px; }
.eyebrow { color: #6fd5c8; font-size: .78rem; font-weight: 800; letter-spacing: 0; margin: 0 0 .65rem; text-transform: uppercase; }
.eyebrow.dark { color: var(--teal); }
.install-row { align-items: center; display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }
.install-row code { background: rgba(4,12,17,.86); border: 1px solid rgba(255,255,255,.35); border-radius: 6px; padding: .8rem 1rem; }
.install-row button { background: white; border: 0; border-radius: 6px; color: var(--ink); cursor: pointer; font-weight: 800; min-height: 40px; padding: .55rem .85rem; }
.release-line { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.release-line span { border-left: 3px solid var(--coral); font-size: .88rem; padding-left: .55rem; }

.section-inner { margin: 0 auto; max-width: 1080px; padding: 3.2rem 1.25rem; }
.section-inner.wide { max-width: 1280px; }
.tool-band { background: var(--soft); border-bottom: 1px solid var(--line); }
.section-heading { align-items: end; display: flex; gap: 1rem; justify-content: space-between; margin-bottom: 1.25rem; }
h2 { font-size: 2rem; letter-spacing: 0; margin: 0; }
h3 { font-size: .95rem; letter-spacing: 0; margin: 0; }
.control-bar { align-items: end; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; display: grid; gap: .8rem; grid-template-columns: minmax(180px,1fr) minmax(150px,.7fr) 130px auto; margin-bottom: .9rem; padding: .9rem; }
label { display: grid; gap: .35rem; min-width: 0; }
label span { color: var(--muted); font-size: .76rem; font-weight: 800; }
input, select, textarea { background: white; border: 1px solid #aebdba; border-radius: 6px; color: var(--ink); min-width: 0; padding: .68rem .75rem; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.toggle-label { align-items: center; display: flex; min-height: 42px; }
.toggle-label input { height: 18px; margin: 0; min-width: 18px; padding: 0; width: 18px; }
.toggle-label span { color: var(--ink); font-size: .82rem; }
.primary-button, .icon-button, .text-button { border: 1px solid transparent; border-radius: 6px; cursor: pointer; font-weight: 800; }
.primary-button { background: var(--teal); color: white; min-height: 42px; padding: .65rem 1rem; }
.primary-button:hover { background: var(--teal-dark); }
.icon-button { background: white; border-color: var(--line); font-size: 1.25rem; height: 42px; width: 42px; }
.text-button { background: transparent; color: var(--blue); padding: .25rem .4rem; }

.workspace-grid { display: grid; gap: .9rem; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); }
.editor-panel { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; min-width: 0; overflow: hidden; }
.editor-panel header { align-items: center; border-bottom: 1px solid var(--line); display: flex; height: 48px; justify-content: space-between; padding: 0 .9rem; }
.editor-panel header span { color: var(--muted); font-size: .75rem; font-weight: 700; }
.editor-panel textarea { border: 0; border-radius: 0; display: block; font-family: "SFMono-Regular", Consolas, monospace; height: 370px; line-height: 1.55; resize: vertical; width: 100%; }
.output-panel { display: grid; grid-template-rows: 48px minmax(0,1fr); }
pre { background: var(--code); color: #eaf0f3; margin: 0; overflow: auto; padding: 1rem; white-space: pre-wrap; word-break: break-word; }
#result-output { height: 370px; line-height: 1.55; }
code, pre, textarea { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .86rem; }
.ansi-30 { color: #4d555b; }.ansi-31 { color: #df6b67; }.ansi-32 { color: #76c980; }.ansi-33 { color: #d9b75d; }.ansi-34 { color: #6ba9e8; }.ansi-35 { color: #c78de8; }.ansi-36 { color: #65c7c7; }.ansi-37 { color: #d5dce0; }
.ansi-90 { color: #7c8991; }.ansi-91 { color: #ff8982; }.ansi-92 { color: #91e29a; }.ansi-93 { color: #f0d173; }.ansi-94 { color: #8ec3f5; }.ansi-95 { color: #d9a5f1; }.ansi-96 { color: #85dddd; }.ansi-97 { color: #ffffff; }
.status-bar { align-items: center; color: var(--muted); display: flex; font-size: .82rem; gap: .55rem; min-height: 42px; padding: .65rem .2rem 0; }
.status-indicator { background: var(--teal); border-radius: 50%; height: 9px; width: 9px; }
.status-indicator.error { background: var(--coral); }

.content-band { border-bottom: 1px solid var(--line); }
.content-band.muted { background: #f7f9f9; }
.content-grid { align-items: start; display: grid; gap: 2.5rem; grid-template-columns: .8fr 1.2fr; }
.content-band p, .resource-band p, footer span { color: var(--muted); line-height: 1.65; }
.code-surface { display: grid; gap: .75rem; }
.code-surface pre { border-radius: 8px; }
.api-table-wrapper { border: 1px solid var(--line); border-radius: 8px; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: .85rem; text-align: left; vertical-align: top; }
th { background: var(--soft); font-size: .8rem; }
tr:last-child td { border-bottom: 0; }
.inline-link { color: var(--teal); font-weight: 800; text-decoration: none; }
.proof-grid { align-items: start; display: grid; gap: 2rem; grid-template-columns: .7fr 1.3fr; }
.proof-list { display: grid; gap: 1px; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 0; }
.proof-list div { background: var(--soft); min-height: 116px; padding: 1rem; }
.proof-list dt { color: var(--teal); font-size: 1.7rem; font-weight: 900; }
.proof-list dd { color: var(--muted); line-height: 1.45; margin: .3rem 0 0; }
.resource-band { background: #172a34; color: white; }
.resource-grid { align-items: center; display: flex; gap: 2rem; justify-content: space-between; }
.resource-grid nav { display: flex; flex-wrap: wrap; gap: .6rem; }
.resource-grid a { border: 1px solid #799098; border-radius: 6px; padding: .7rem .85rem; text-decoration: none; }
footer { align-items: start; display: flex; gap: 2rem; justify-content: space-between; margin: 0 auto; max-width: 1180px; padding: 2rem 1.25rem; }
footer div { display: grid; gap: .35rem; }

@media (max-width: 900px) {
  .control-bar { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .workspace-grid, .content-grid, .proof-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .site-header { height: auto; padding-bottom: .8rem; padding-top: .8rem; }
  .site-header nav { display: none; }
  .brand { font-size: .86rem; overflow-wrap: anywhere; }
  .intro-content { padding-bottom: 2.7rem; padding-top: 2.7rem; }
  .intro-content h1 { font-size: 2.1rem; overflow-wrap: normal; }
  .intro-content > p:not(.eyebrow) { font-size: 1rem; }
  .control-bar { grid-template-columns: 1fr; }
  .section-heading { align-items: start; }
  .editor-panel textarea, #result-output { height: 310px; }
  .proof-list { grid-template-columns: 1fr; }
  .resource-grid, footer { align-items: flex-start; display: grid; }
}