:root {
  color-scheme: light;
  --bg-page: #f8f9fb;
  --surface: #ffffff;
  --surface-soft: #f0f1f5;
  --surface-ink: #22232c;
  --text-primary: #22232c;
  --text-muted: #626570;
  --text-faint: #6c707c;
  --on-ink: #f2f3f8;
  --ink-muted: #b7bbc9;
  --brand-primary: #6366f1;
  --brand-hover: #4f46d2;
  --brand-ink: #4f46c8;
  --border-color: #e4e5eb;
  --color-success: #21764d;
  --color-warning: #865c13;
  --color-danger: #b12d3f;
  --text-xs: .75rem;
  --text-sm: .875rem;
  --text-base: 1rem;
  --text-lg: 1.333rem;
  --text-xl: 1.777rem;
  --text-2xl: 2.369rem;
  --text-3xl: clamp(2.369rem, 1.4rem + 3.6vw, 4.209rem);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --radius: .75rem;
  --border: 0 solid transparent;
  --shadow: 0 2px 4px #22232c04, 0 12px 36px -12px #22232c20;
  --shadow-hover: 0 4px 8px #22232c07, 0 20px 42px -12px #22232c2b;
  --container: 75rem;
  --section-space: clamp(4rem, 8vw, 7rem);
  --header-height: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scrollbar-gutter: stable; scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg-page); color: var(--text-primary); font-family: system-ui, 'Segoe UI', Roboto, sans-serif; font-size: var(--text-base); line-height: 1.7; -webkit-font-smoothing: antialiased; }
main { flex: 1; min-width: 0; }
img, svg { max-width: 100%; vertical-align: middle; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: .0625rem; text-underline-offset: .25em; }
button, input, select, textarea { font: inherit; }
button, .btn { white-space: nowrap; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
:focus-visible { outline: .1875rem solid var(--brand-primary); outline-offset: .25rem; }
::selection { background: #6366f12b; }
h1, h2, h3, h4, p, pre, figure, dl { margin: 0; }
h1, h2, h3 { font-weight: 750; letter-spacing: -.035em; line-height: 1.12; text-wrap: balance; }
h1 { font-size: var(--text-3xl); }
h2 { font-size: clamp(var(--text-xl), 1.5rem + 1vw, var(--text-2xl)); }
h3 { font-size: var(--text-lg); letter-spacing: -.02em; }
h4 { font-size: var(--text-base); }
p { text-wrap: pretty; }
ul, ol { padding-left: var(--space-5); }
li + li { margin-top: var(--space-2); }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace; font-size: var(--text-sm); font-variant-ligatures: none; }
:not(pre) > code { padding: .12em .35em; background: var(--surface-soft); border-radius: .25rem; overflow-wrap: anywhere; }
pre { line-height: 1.9; tab-size: 2; }
.container, .header-container, .footer-container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--space-6); }
.skip-link { position: fixed; top: var(--space-3); left: var(--space-3); z-index: 20; padding: var(--space-3) var(--space-5); background: var(--surface); box-shadow: var(--shadow); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { position: relative; z-index: 5; background: var(--surface); box-shadow: 0 1px 0 var(--border-color); }
.header-container { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.brand-logo { display: inline-flex; flex-shrink: 0; width: 176px; line-height: 1; }
.brand-logo img { width: 176px; height: 32px; }
.header-right { display: flex; align-items: center; gap: var(--space-6); min-width: 0; }
.main-nav { display: flex; align-items: center; gap: var(--space-5); }
.main-nav a { position: relative; padding-block: var(--space-3); color: var(--text-muted); font-size: var(--text-sm); font-weight: 550; text-decoration: none; white-space: nowrap; }
.main-nav a::after, .text-link::after { content: ''; position: absolute; inset: auto 0 var(--space-2); height: .125rem; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.main-nav a:hover::after, .main-nav a[aria-current='page']::after, .text-link:hover::after { transform: scaleX(1); }
.main-nav a[aria-current='page'] { color: var(--brand-ink); }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: var(--space-3); min-height: 48px; padding: var(--space-3) var(--space-5); border: var(--border); border-radius: calc(var(--radius) - .125rem); font-size: var(--text-sm); font-weight: 650; line-height: 1.4; text-decoration: none; transition: background .2s, box-shadow .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: color-mix(in srgb, var(--brand-primary) 98%, black); box-shadow: 0 4px 12px #6366f128; }
.btn-primary:hover { background: var(--brand-hover); box-shadow: 0 6px 18px #6366f140; }
.btn-outline { color: var(--text-primary); background: var(--surface-soft); box-shadow: inset 0 0 0 1px var(--border-color); }
.btn-outline:hover { background: #e8e9f0; }
.btn-sm { min-height: 40px; padding-inline: var(--space-4); font-size: var(--text-xs); }
.btn svg, .text-link svg { width: 1rem; height: 1rem; flex-shrink: 0; }
.text-link { position: relative; display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; font-size: var(--text-sm); font-weight: 600; text-decoration: none; }
.text-link::after { bottom: var(--space-2); }
.eyebrow { display: flex; gap: var(--space-3); align-items: center; font-size: var(--text-xs); font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); }
.eyebrow::before { content: ''; width: 1.375rem; height: .0625rem; background: currentColor; }
.hero { position: relative; padding-top: clamp(4rem, 8vw, 7rem); isolation: isolate; }
.hero::before { content: ''; position: absolute; z-index: -1; inset: -6rem 0 auto; height: 45rem; pointer-events: none; background: radial-gradient(ellipse at 50% 45%, #6366f110, #6366f104 45%, transparent 72%); animation: bloom 12s ease-in-out infinite alternate; }
.hero-copy { text-align: center; max-width: 56rem; margin-inline: auto; }
.hero .eyebrow { justify-content: center; margin-bottom: var(--space-5); }
.hero h1 { max-width: 54rem; margin-inline: auto; }
.hero-copy > p { max-width: 41rem; margin: var(--space-5) auto 0; font-size: var(--text-lg); line-height: 1.65; color: var(--text-muted); }
.hero-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-6); }
.launch-surface { display: grid; grid-template-columns: 1.16fr 1fr; max-width: 64rem; margin: var(--space-8) auto 0; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; text-align: left; }
.request-pane { min-width: 0; padding: var(--space-6); background: var(--surface-ink); color: var(--on-ink); }
.pane-caption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); font-size: var(--text-xs); color: var(--ink-muted); }
.pane-caption .request-method { font-weight: 650; color: var(--on-ink); }
.copy-code { min-height: 36px; padding: var(--space-1) var(--space-3); border: 0; border-radius: .375rem; color: inherit; background: #ffffff0c; font-size: var(--text-xs); transition: background .2s; }
.copy-code:hover { background: #ffffff1c; }
.code-scroll { min-width: 0; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
.request-pane .code-scroll { margin-block: var(--space-5); }
.request-pane pre { font-size: var(--text-xs); }
.code-dim { color: var(--ink-muted); }
.code-value { color: #ffffff; }
.request-note { display: flex; align-items: center; gap: var(--space-2); border-top: 1px solid #ffffff1c; padding-top: var(--space-4); color: var(--ink-muted); font-size: var(--text-xs); }
.request-note svg { width: 1rem; height: 1rem; }
.workspace-pane { position: relative; min-width: 0; padding: var(--space-6); display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-5); background: linear-gradient(145deg, #f2f3f7, #e9eaf0); }
.workspace-label { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); font-size: var(--text-xs); color: var(--text-muted); }
.isolation-mark { display: inline-flex; align-items: center; gap: var(--space-1); font-weight: 600; }
.isolation-mark svg { width: .875rem; height: .875rem; }
.desktop-frame { width: 100%; aspect-ratio: 1.72; background: var(--surface); border-radius: calc(var(--radius) - .125rem); box-shadow: 0 12px 30px -10px #22232c30; overflow: hidden; transform: perspective(900px) rotateY(-3deg) rotateX(2deg); }
.desktop-chrome { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); height: 2rem; padding-inline: var(--space-3); background: #f9f9fb; border-bottom: 1px solid var(--border-color); font-size: .625rem; color: var(--text-muted); }
.window-controls { display: flex; gap: .25rem; }
.window-controls i { display: block; width: .25rem; height: .25rem; background: #aaaeba; border-radius: 50%; }
.desktop-content { display: grid; grid-template-columns: 2.5rem 1fr; height: calc(100% - 2rem); }
.desktop-rail { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); padding-top: var(--space-4); background: #f3f4f7; }
.desktop-rail span { width: .875rem; height: .875rem; border-radius: .1875rem; background: #d5d7e1; }
.desktop-rail span:first-child { background: #686c7a; }
.desktop-document { min-width: 0; padding: var(--space-4) var(--space-5); }
.desktop-document > strong { display: block; font-size: var(--text-xs); font-weight: 650; }
.document-lines { display: grid; gap: .375rem; margin-top: var(--space-3); }
.document-lines i { display: block; height: .25rem; width: 92%; background: #e3e5ec; border-radius: .125rem; }
.document-lines i:nth-child(2) { width: 72%; }
.document-lines i:nth-child(3) { width: 83%; }
.document-sheets { display: flex; gap: var(--space-2); margin-top: var(--space-4); }
.document-sheets span { display: flex; align-items: center; justify-content: center; width: 33%; aspect-ratio: 1.8; background: #f2f3f6; border-radius: .25rem; color: #6a6d79; }
.document-sheets svg { width: 1rem; height: 1rem; }
.workspace-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); font-size: var(--text-xs); color: var(--text-muted); }
.workspace-meta svg { width: .875rem; height: .875rem; margin-left: var(--space-1); }
.hero-footnote { max-width: 64rem; display: flex; justify-content: space-between; gap: var(--space-4); margin: var(--space-4) auto 0; color: var(--text-muted); font-size: var(--text-xs); }
.section { padding-block: var(--section-space); }
.section + .section { padding-top: 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-7); margin-bottom: var(--space-7); }
.section-head .eyebrow { margin-bottom: var(--space-4); }
.section-head > p, .section-intro { max-width: 30rem; color: var(--text-muted); font-size: var(--text-base); }
.section-head h2 { max-width: 35rem; }
.quickstart-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-7); list-style: none; padding: 0; margin: 0; counter-reset: sequence; }
.quickstart-steps li { position: relative; padding-top: var(--space-5); border-top: 1px solid var(--border-color); margin: 0; counter-increment: sequence; }
.quickstart-steps li::before { content: '0' counter(sequence); display: block; margin-bottom: var(--space-5); color: var(--text-faint); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.quickstart-steps h3 { margin-bottom: var(--space-3); }
.quickstart-steps p { color: var(--text-muted); font-size: var(--text-sm); }
.quickstart-steps a { display: inline-flex; align-items: center; min-height: 44px; margin-top: var(--space-2); font-size: var(--text-sm); font-weight: 600; }
.sdk-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
.sdk-cell { position: relative; min-width: 0; padding: var(--space-6); border: var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); text-decoration: none; transition: transform .25s, box-shadow .25s; }
.sdk-cell:hover, .capability:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.sdk-glyph { display: flex; width: 2.75rem; height: 2.75rem; margin-bottom: var(--space-7); justify-content: center; align-items: center; border-radius: .5rem; background: var(--surface-soft); font-size: var(--text-sm); font-weight: 700; letter-spacing: -.05em; }
.sdk-cell h3 { font-size: var(--text-base); }
.sdk-cell p { color: var(--text-muted); font-size: var(--text-xs); margin-top: var(--space-2); }
.sdk-cell > svg { position: absolute; top: var(--space-6); right: var(--space-6); width: 1rem; height: 1rem; }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-areas: 'session session policy' 'identity lifecycle policy'; gap: var(--space-5); }
.capability { min-width: 0; padding: var(--space-7); border: var(--border); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--surface); transition: transform .25s, box-shadow .25s; }
.capability[data-area='session'] { grid-area: session; }
.capability[data-area='policy'] { grid-area: policy; display: flex; flex-direction: column; justify-content: space-between; }
.capability[data-area='identity'] { grid-area: identity; }
.capability[data-area='lifecycle'] { grid-area: lifecycle; }
.capability > svg, .capability > div > svg { width: 1.5rem; height: 1.5rem; margin-bottom: var(--space-6); }
.capability h3 { margin-bottom: var(--space-3); }
.capability p { color: var(--text-muted); max-width: 35rem; font-size: var(--text-sm); }
.route-label { display: block; margin-top: var(--space-6); font-size: var(--text-xs); color: var(--text-muted); overflow-wrap: anywhere; }
.policy-drawing { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-3); align-items: center; padding-block: var(--space-7); }
.policy-box { display: flex; justify-content: center; align-items: center; aspect-ratio: 1; border-radius: var(--radius); background: var(--surface-soft); }
.policy-box svg { width: 2rem; height: 2rem; }
.policy-bridge { width: 1.5rem; border-top: 1px dashed var(--text-faint); }
.choose-band { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-8); padding-block: var(--space-7); border-block: 1px solid var(--border-color); }
.choose-band p { color: var(--text-muted); font-size: var(--text-sm); }
.choose-band h2 { margin-top: var(--space-4); }
.choose-points { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.choose-points h3 { margin-bottom: var(--space-2); font-size: var(--text-base); }
.closing-call { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); margin-top: var(--space-8); }
.closing-call p { color: var(--text-muted); margin-top: var(--space-2); }
.page-heading { padding-block: clamp(3rem, 7vw, 6rem) var(--space-7); }
.page-heading .eyebrow { margin-bottom: var(--space-5); }
.page-heading h1 { max-width: 52rem; font-size: clamp(var(--text-2xl), 2rem + 2vw, 3.75rem); }
.page-heading > .container > p { max-width: 43rem; color: var(--text-muted); font-size: var(--text-lg); margin-top: var(--space-5); }
.page-body { padding-bottom: var(--section-space); }
.doc-layout { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: var(--space-8); }
.doc-rail { align-self: start; position: sticky; top: var(--space-6); font-size: var(--text-sm); }
.doc-rail h2 { font-size: var(--text-xs); letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--space-4); color: var(--text-muted); }
.doc-rail a { display: block; padding: var(--space-2) var(--space-3); min-height: 40px; text-decoration: none; color: var(--text-muted); border-radius: .375rem; }
.doc-rail a:hover { background: var(--surface-soft); color: var(--text-primary); }
.doc-rail a[aria-current='location'] { background: var(--surface-soft); color: var(--brand-ink); font-weight: 600; }
.doc-content { min-width: 0; max-width: 56rem; }
.doc-section { scroll-margin-top: var(--space-6); margin-bottom: var(--space-8); }
.doc-section:last-child { margin-bottom: 0; }
.doc-section h2 { font-size: var(--text-xl); margin-bottom: var(--space-5); }
.doc-section h3 { margin-block: var(--space-6) var(--space-3); }
.doc-section p, .doc-section li { color: var(--text-muted); }
.doc-section p + p { margin-top: var(--space-4); }
.doc-section strong { color: var(--text-primary); }
.doc-section .code-scroll { margin-block: var(--space-5); border-radius: var(--radius); background: var(--surface-ink); color: var(--on-ink); box-shadow: var(--shadow); }
.doc-section pre { padding: var(--space-5); }
.doc-section .code-heading { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-5); color: var(--ink-muted); background: #ffffff05; border-bottom: 1px solid #ffffff16; font-size: var(--text-xs); }
.notice { padding: var(--space-5) var(--space-6); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); color: var(--text-muted); margin-block: var(--space-5); font-size: var(--text-sm); }
.notice strong { display: block; color: var(--text-primary); margin-bottom: var(--space-1); }
.table-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); margin-block: var(--space-5); }
table { border-collapse: collapse; width: 100%; text-align: left; font-size: var(--text-sm); line-height: 1.6; }
th, td { padding: var(--space-4) var(--space-5); vertical-align: top; border-bottom: 1px solid var(--border-color); }
th { background: #fafafb; color: var(--text-muted); font-size: var(--text-xs); letter-spacing: .03em; font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td { min-width: 7rem; }
td:first-child { color: var(--text-primary); font-weight: 550; }
td code { white-space: nowrap; }
.method { font-size: var(--text-xs); font-weight: 700; letter-spacing: .02em; }
.api-route { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.api-route code { font-size: var(--text-base); }
.route-card { padding: var(--space-6); margin-top: var(--space-6); background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.route-card .table-scroll, .route-card .code-scroll { box-shadow: none; }
.route-card h3 { margin-top: 0; }
.provision-card { padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.provision-card p { max-width: 40rem; }
.inquiry-form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-6); }
.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.field label { font-size: var(--text-sm); font-weight: 600; }
.field input { width: 100%; min-height: 48px; border: 1px solid var(--border-color); border-radius: calc(var(--radius) - .125rem); background: var(--bg-page); padding: var(--space-3) var(--space-4); font-size: var(--text-sm); color: var(--text-primary); }
.field input::placeholder { color: var(--text-faint); }
.field input:focus { outline: .125rem solid var(--brand-primary); outline-offset: .125rem; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-5); grid-column: 1 / -1; }
.form-actions > p { font-size: var(--text-xs); }
.form-feedback { grid-column: 1 / -1; min-height: 1.7em; font-size: var(--text-sm); color: var(--text-muted); }
.form-feedback[data-state='error'] { color: var(--color-danger); }
.form-feedback[data-state='success'] { color: var(--color-success); }
.status-pill { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 650; letter-spacing: .04em; white-space: nowrap; }
.status-pill::before { content: ''; width: .4375rem; height: .4375rem; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 .25rem color-mix(in srgb, currentColor 8%, transparent); flex-shrink: 0; }
.status-ok, .badge-success { color: var(--color-success); }
.status-warning { color: var(--color-warning); }
.status-danger { color: var(--color-danger); }
.status-summary { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-5); margin-bottom: var(--space-7); }
.status-tile { min-width: 0; padding: var(--space-6); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.status-tile .metric-name { display: block; margin-bottom: var(--space-5); color: var(--text-muted); font-size: var(--text-xs); }
.status-tile .metric-value { display: block; font-size: var(--text-xl); font-weight: 650; letter-spacing: -.03em; font-variant-numeric: tabular-nums; line-height: 1.3; }
.status-tile p { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--text-muted); }
.status-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-7); }
.status-heading h2 { font-size: var(--text-lg); }
.check-meta { color: var(--text-muted); font-size: var(--text-xs); }
.event-log { padding: 0; list-style: none; }
.event-log li { display: grid; grid-template-columns: 8rem 1fr; gap: var(--space-6); padding-block: var(--space-5); border-bottom: 1px solid var(--border-color); }
.event-log time { color: var(--text-muted); font-size: var(--text-xs); }
.event-log strong { display: block; font-size: var(--text-sm); }
.event-log p { color: var(--text-muted); font-size: var(--text-sm); margin-top: var(--space-2); max-width: 45rem; }
.metadata-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); padding: var(--space-6); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.metadata-grid dt { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: var(--space-2); }
.metadata-grid dd { margin: 0; font-size: var(--text-sm); font-weight: 600; overflow-wrap: anywhere; }
.node-intro { text-align: center; }
.node-intro > div:first-child { max-width: 48rem; margin-inline: auto; }
.node-intro h1 { font-size: var(--text-3xl); }
.node-intro .eyebrow { justify-content: center; margin-bottom: var(--space-5); }
.node-intro p { margin-block: var(--space-5); color: var(--text-muted); }
.node-panel { max-width: 44rem; width: 100%; margin: var(--space-8) auto 0; padding: var(--space-7); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); text-align: left; }
.node-panel > svg { width: 100%; height: auto; margin-block: var(--space-7); }
.node-panel .metadata-grid { padding: 0; box-shadow: none; grid-template-columns: 1fr 1fr; }
.duo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.info-tile { min-width: 0; padding: var(--space-7); background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.info-tile > svg { width: 1.5rem; height: 1.5rem; margin-bottom: var(--space-5); }
.info-tile h2 { font-size: var(--text-lg); margin-bottom: var(--space-4); }
.info-tile p { color: var(--text-muted); font-size: var(--text-sm); }
.info-tile p + p { margin-top: var(--space-4); }
.info-tile .text-link { margin-top: var(--space-5); }
.prose { max-width: 47rem; }
.prose section + section { margin-top: var(--space-7); }
.prose h2 { font-size: var(--text-lg); margin-bottom: var(--space-4); }
.prose p, .prose li { color: var(--text-muted); }
.prose p + p { margin-top: var(--space-4); }
.legal-layout { display: grid; grid-template-columns: 1fr 2.5fr; gap: var(--space-8); }
.legal-note { color: var(--text-muted); font-size: var(--text-sm); }
.legal-note p + p { margin-top: var(--space-4); }
.coverage-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--space-7); }
.coverage-layout > * { min-width: 0; }
.coverage-art { min-width: 0; padding: var(--space-7); background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between; }
.coverage-art svg { width: 100%; height: auto; margin-block: var(--space-6); }
.coverage-art p { font-size: var(--text-sm); color: var(--text-muted); }
.coverage-art h2 { font-size: var(--text-lg); }
.coverage-layout .table-scroll { margin-top: 0; }
.text-muted { color: var(--text-muted); }
.small { font-size: var(--text-sm); }
.spaced-top { margin-top: var(--space-7); }
.endpoint-lines { margin-top: var(--space-5); }
.error-page { padding-block: var(--section-space); text-align: center; }
.error-number { font-size: var(--text-xs); font-weight: 650; letter-spacing: .15em; color: var(--text-muted); margin-bottom: var(--space-5); }
.error-page h1 { font-size: var(--text-3xl); }
.error-page p { color: var(--text-muted); margin: var(--space-5) auto; max-width: 28rem; }
.site-footer { border-top: 1px solid var(--border-color); padding: 48px 0 24px; margin-top: auto; background: var(--surface); }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.15fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-col { min-width: 0; }
.footer-col h4 { font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin: 0 0 10px; }
.footer-col a { display: inline-block; color: var(--text-muted); text-decoration: none; font-size: var(--text-sm); transition: color .15s ease; }
.footer-col a:hover { color: var(--brand-primary, var(--text-primary)); text-decoration: underline; }
.footer-desc { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; margin-bottom: 12px; max-width: 20rem; }
.footer-contact { font-size: var(--text-xs); color: var(--text-muted); overflow-wrap: anywhere; }
.footer-contact a { font-size: inherit; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--border-color); padding-top: 24px; font-size: var(--text-xs); color: var(--text-muted); }
@keyframes bloom { from { opacity: .55; transform: scale(.95); } to { opacity: 1; transform: scale(1.05); } }
@media (min-width: 1440px) { :root { --container: 78rem; } .hero-copy { max-width: 60rem; } }
@media (max-width: 1100px) {
  .site-header { padding-bottom: 48px; }
  .main-nav { position: absolute; left: 0; right: 0; top: 64px; height: 48px; padding-inline: var(--space-6); gap: var(--space-6); overflow-x: auto; white-space: nowrap; scrollbar-width: none; background: var(--surface); border-top: 1px solid var(--border-color); }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .header-right { gap: var(--space-3); }
  .doc-layout { grid-template-columns: 11rem minmax(0, 1fr); gap: var(--space-6); }
  .capability { padding: var(--space-6); }
}
@media (max-width: 800px) {
  .launch-surface { grid-template-columns: 1fr 1fr; }
  .workspace-pane, .request-pane { padding: var(--space-5); }
  .sdk-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: 'session session' 'identity policy' 'lifecycle policy'; }
  .choose-band, .coverage-layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .coverage-art { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: var(--space-5); }
  .coverage-art svg { grid-column: 2; grid-row: 1 / 3; margin: 0; }
  .node-panel { max-width: 38rem; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-rail { position: static; display: flex; flex-wrap: wrap; gap: var(--space-1); padding-bottom: var(--space-5); border-bottom: 1px solid var(--border-color); }
  .doc-rail h2 { width: 100%; margin-bottom: var(--space-2); }
  .doc-rail nav { display: flex; flex-wrap: wrap; gap: var(--space-1); }
  .doc-rail a { font-size: var(--text-xs); }
  .legal-layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .legal-note { display: flex; flex-wrap: wrap; gap: var(--space-5); }
  .legal-note p + p { margin-top: 0; }
  .status-summary { grid-template-columns: 1fr 1fr; }
  .status-tile:first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  :root { --section-space: 4rem; }
  .container, .header-container { padding-inline: var(--space-5); }
  .main-nav { padding-inline: var(--space-5); }
  .header-container { gap: var(--space-3); }
  .brand-logo, .brand-logo img { width: 154px; height: 28px; }
  .btn-sm { min-height: 40px; padding-inline: var(--space-3); }
  .hero { padding-top: var(--space-8); }
  .hero-copy > p { font-size: var(--text-base); }
  .hero h1 br { display: none; }
  .hero .eyebrow { font-size: .625rem; }
  .hero-actions { gap: var(--space-3); margin-top: var(--space-5); }
  .launch-surface { grid-template-columns: 1fr; margin-top: var(--space-7); }
  .request-pane { padding: var(--space-5); }
  .workspace-pane { padding: var(--space-5); }
  .desktop-frame { max-width: 26rem; margin-inline: auto; }
  .hero-footnote { flex-direction: column; gap: var(--space-1); font-size: .6875rem; }
  .section-head { flex-direction: column; align-items: flex-start; gap: var(--space-4); margin-bottom: var(--space-6); }
  .quickstart-steps { grid-template-columns: 1fr; gap: var(--space-6); }
  .quickstart-steps li { display: grid; grid-template-columns: 2rem 1fr; gap: 0 var(--space-4); }
  .quickstart-steps li::before { grid-row: 1 / 4; margin: 0; }
  .quickstart-steps h3, .quickstart-steps p, .quickstart-steps a { grid-column: 2; }
  .quickstart-steps h3 { margin-bottom: var(--space-2); }
  .sdk-grid { gap: var(--space-4); }
  .sdk-cell { padding: var(--space-5); }
  .sdk-cell > svg { right: var(--space-4); top: var(--space-4); }
  .sdk-glyph { margin-bottom: var(--space-5); }
  .capability-grid { grid-template-columns: 1fr; grid-template-areas: 'session' 'identity' 'lifecycle' 'policy'; }
  .capability { padding: var(--space-6); }
  .policy-drawing { max-width: 15rem; }
  .choose-band { gap: var(--space-6); }
  .choose-points { grid-template-columns: 1fr; gap: var(--space-5); }
  .closing-call { align-items: flex-start; flex-direction: column; gap: var(--space-5); }
  .page-heading > .container > p { font-size: var(--text-base); }
  .duo-grid { grid-template-columns: 1fr; }
  .info-tile { padding: var(--space-6); }
  .inquiry-form { grid-template-columns: 1fr; }
  .status-summary { gap: var(--space-4); }
  .status-tile { padding: var(--space-5); }
  .status-tile .metric-value { font-size: var(--text-lg); }
  .metadata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .event-log li { grid-template-columns: 1fr; gap: var(--space-2); }
  .coverage-art { display: flex; padding: var(--space-6); }
  .coverage-art svg { max-width: 18rem; margin-block: var(--space-5); }
  .footer-grid { gap: var(--space-6); }
  .footer-col a { min-height: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-col:first-child { grid-column: 1 / -1; }
  .route-card { padding: var(--space-5); }
  th, td { padding-inline: var(--space-4); }
}
@media (max-width: 360px) {
  .container, .header-container { padding-inline: var(--space-4); }
  .brand-logo, .brand-logo img { width: 143px; height: 26px; }
  .header-right .btn { font-size: .6875rem; padding-inline: var(--space-2); }
  .sdk-grid { grid-template-columns: 1fr; }
  .sdk-glyph { margin-bottom: var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-col:first-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .btn:hover, .sdk-cell:hover, .capability:hover { transform: none; }
}