:root {
  --bs-border-radius: 0; --bs-border-radius-sm: 0; --bs-border-radius-lg: 0; --bs-border-radius-xl: 0;
  --bs-border-radius-xxl: 0; --bs-border-radius-2xl: 0; --bs-border-radius-pill: 0;
  --kb-ink: #1B1F22; --kb-purple: #512687; --kb-purple-soft: #d9c9f0; --kb-green: #0B6E4F;
  --kb-bg: #F5F6F7; --kb-line: #E2E2E2; --kb-muted: #555c63;
  --bs-body-font-family: "IBM Plex Sans", system-ui, sans-serif;
  --bs-font-monospace: "IBM Plex Mono", ui-monospace, monospace;
  --bs-body-color: #212529; --bs-link-color-rgb: 81, 38, 135; --bs-link-hover-color-rgb: 58, 25, 99;
}
*, *::before, *::after { border-radius: 0 !important; }
html { scroll-padding-top: 4.5rem; }
body { background: #fff; }
.skip-link { position: absolute; z-index: 2000; background: #fff; color: var(--kb-purple); padding: .5rem 1rem; }
.kb-nav { background: var(--kb-ink); position: sticky; top: 0; z-index: 1030; border-bottom: 3px solid var(--kb-green); }
.kb-nav .navbar-brand { font-weight: 700; letter-spacing: .01em; }
.kb-nav .nav-link { color: #e6e7e8; font-weight: 500; }
.kb-nav .nav-link:hover, .kb-nav .nav-link:focus { color: #fff; }
.hero { background: var(--kb-ink); color: #f1f2f3; padding: 4.5rem 0 5rem; }
.hero h1 { color: #fff; letter-spacing: -.01em; }
.hero .lead { color: #d0d3d6; }
.crumbs, .eyebrow, .hero-meta { font-family: var(--bs-font-monospace); font-size: .85rem; letter-spacing: .04em; }
.crumbs { color: var(--kb-purple-soft); text-transform: uppercase; }
.crumbs span { color: #8a9096; margin: 0 .35rem; }
.hero-meta { color: #c3c7cb; }
.btn-kb-primary { --bs-btn-bg: var(--kb-purple-soft); --bs-btn-color: #1B1F22; --bs-btn-border-color: var(--kb-purple-soft);
  --bs-btn-hover-bg: #fff; --bs-btn-hover-color: #1B1F22; --bs-btn-hover-border-color: #fff; font-weight: 600; }
.btn-kb-dark { --bs-btn-bg: var(--kb-purple); --bs-btn-color: #fff; --bs-btn-border-color: var(--kb-purple);
  --bs-btn-hover-bg: #3a1963; --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: #3a1963; font-weight: 600; }
.btn-outline-kb { --bs-btn-color: var(--kb-purple); --bs-btn-border-color: var(--kb-purple); --bs-btn-hover-bg: var(--kb-purple);
  --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: var(--kb-purple); font-weight: 600; }
.browser { background: #fff; border: 1px solid #3a4046; box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: #2a2f34; }
.browser-bar span { width: 10px; height: 10px; background: #5b6168; }
.browser-bar code { margin-left: 10px; color: #c3c7cb; font-size: .78rem; background: #1B1F22; padding: 2px 10px; flex: 1; }
.section { padding: 4.5rem 0; }
.section-alt { background: var(--kb-bg); border-top: 1px solid var(--kb-line); border-bottom: 1px solid var(--kb-line); }
.eyebrow { color: var(--kb-green); text-transform: uppercase; font-weight: 500; margin-bottom: .5rem; }
.section-title { font-weight: 700; font-size: calc(1.4rem + 1vw); color: var(--kb-ink); }
.section-lead { color: var(--kb-muted); max-width: 46rem; font-size: 1.1rem; }
.feature { height: 100%; background: #fff; border: 1px solid var(--kb-line); border-left: 4px solid var(--kb-purple); padding: 1.25rem 1.25rem 1rem; }
.feature i { font-size: 1.4rem; color: var(--kb-purple); }
.feature h3 { font-size: 1.05rem; font-weight: 600; margin: .6rem 0 .35rem; }
.feature p { color: var(--kb-muted); margin: 0; }
.kb-tabs { border-bottom-color: var(--kb-line); }
.kb-tabs .nav-link { color: var(--kb-muted); font-weight: 500; }
.kb-tabs .nav-link.active { color: var(--kb-purple); border-top: 3px solid var(--kb-purple); }
.shot-frame { border: 1px solid var(--kb-line); border-top: 0; background: #fff; }
.kb-list { padding-left: 1.1rem; }
.kb-list li::marker { color: var(--kb-green); }
.code { background: var(--kb-ink); color: #e6e7e8; padding: 1.25rem; font-size: .82rem; line-height: 1.7; border-left: 4px solid var(--kb-green); white-space: pre; overflow-x: auto; }
.code .c { color: #9ea5ab; }
.code-sm { padding: .6rem .9rem; }
code { color: var(--kb-purple); }
.code code { color: inherit; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 1.25rem 3.25rem; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 2.25rem; height: 2.25rem; display: grid; place-items: center;
  background: var(--kb-purple); color: #fff; font-family: var(--bs-font-monospace); font-weight: 500; }
.callout { background: #fff; border: 1px solid var(--kb-line); border-top: 3px solid var(--kb-green); padding: 1.25rem; }
.callout h3 { font-size: 1.05rem; font-weight: 600; }
.license { border-bottom: 1px solid var(--kb-line); }
.kb-footer { background: var(--kb-ink); color: #c3c7cb; padding: 1.75rem 0; font-size: .95rem; }
.kb-footer a { color: #fff; }
.providers { border-top: 1px solid var(--kb-line); }
.provider { display: flex; flex-direction: column; gap: .35rem; height: 100%; padding: 1.25rem; background: #fff; border: 1px solid var(--kb-line); border-left: 4px solid var(--kb-green); color: var(--kb-ink); text-decoration: none; }
.provider:hover, .provider:focus { border-color: var(--kb-purple); background: #faf8fd; }
.provider i { font-size: 1.4rem; color: var(--kb-purple); }
.provider-name { font-weight: 700; font-size: 1.15rem; }
.provider-cta { color: var(--kb-purple); font-weight: 600; font-size: .95rem; text-decoration: underline; }
.provider-note { color: var(--kb-muted); font-size: .9rem; }