/* Kinnect digital expression — shared portal shell
   Upstream: portal-design-system.html v2.5.0 (2026-07-21)
   Promoted: 2026-08-07
   Import after kinnect-tokens.css.
   Flexible: components work standalone; .app-shell + .side-rail provide the full portal layout.
*/

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
      margin: 0;
      min-width: 20rem;
      background: var(--kp-bg-app);
      color: var(--kp-text-primary);
      font: 450 var(--kp-text-md)/var(--kp-leading-body) var(--kp-font-productive);
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

button, input, select, textarea { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

a { color: var(--kp-link); text-underline-offset: .18em; }

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4, p { overflow-wrap: anywhere; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: var(--kp-leading-tight);
  letter-spacing: -.018em;
}

p { margin: 0; }

code, pre { font-family: var(--kp-font-mono); }

:focus-visible { outline: 3px solid var(--kp-focus); outline-offset: 3px; }

::selection { background: var(--kp-selection); }

.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

.skip-link {
      position: fixed; left: var(--kp-space-4); top: var(--kp-space-4); z-index: 100;
      transform: translateY(-180%); padding: var(--kp-space-2) var(--kp-space-3);
      border-radius: var(--kp-radius-s); background: var(--kp-text-primary); color: var(--kp-bg-app);
    }

.skip-link:focus { transform: translateY(0); }

.app-shell { display: grid; grid-template-columns: var(--kp-rail-width) minmax(0, 1fr); min-height: 100vh; }

.side-rail {
      position: sticky; top: 0; height: 100vh; z-index: 20; display: flex; flex-direction: column;
      padding: var(--kp-space-6) var(--kp-space-4); border-right: 1px solid var(--kp-border-subtle);
      overflow-y: auto; background: color-mix(in srgb, var(--kp-bg-app) 94%, transparent); backdrop-filter: blur(18px);
    }

.brand { display: flex; align-items: center; gap: var(--kp-space-3); color: inherit; text-decoration: none; }

.brand-mark {
      width: 2rem; height: 2rem; display: grid; place-items: center;
    }

.brand-mark img { width: 1.45rem; height: 2rem; object-fit: contain; }

.brand-text { line-height: 1.15; }

.brand-text strong { display: block; font-size: var(--kp-text-sm); }

.brand-text span { color: var(--kp-text-tertiary); font-size: var(--kp-text-xs); }

.rail-nav { display: grid; gap: var(--kp-space-1); margin-top: var(--kp-space-10); }

.rail-nav a {
      min-height: 2.5rem; display: flex; align-items: center; padding: 0 var(--kp-space-3);
      border-radius: var(--kp-radius-s); color: var(--kp-text-secondary); text-decoration: none; font-size: var(--kp-text-sm);
    }

.rail-nav a:hover { background: var(--kp-bg-subtle); color: var(--kp-text-primary); }

.rail-nav a[aria-current="true"] { background: var(--kp-accent-soft); color: var(--kp-text-primary); font-weight: 680; }

.rail-meta { margin-top: auto; padding-top: var(--kp-space-6); color: var(--kp-text-tertiary); font-size: var(--kp-text-xs); }

.main { min-width: 0; }

.topbar {
      position: sticky; top: 0; z-index: 15; display: flex; align-items: center; justify-content: space-between;
      min-height: 4rem; padding: 0 clamp(var(--kp-space-4), 4vw, var(--kp-space-10));
      border-bottom: 1px solid var(--kp-border-subtle); background: color-mix(in srgb, var(--kp-bg-app) 90%, transparent);
      backdrop-filter: blur(18px);
    }

.topbar-title { color: var(--kp-text-secondary); font-size: var(--kp-text-sm); }

.topbar-actions { display: flex; align-items: center; gap: var(--kp-space-2); }

.content { width: min(100%, var(--kp-shell-max)); margin: 0 auto; padding: 0 clamp(var(--kp-space-4), 4vw, var(--kp-space-12)) var(--kp-space-20); }

.section { padding: clamp(var(--kp-space-12), 7vw, var(--kp-space-20)) 0; border-bottom: 1px solid var(--kp-border-subtle); }

.section:last-child { border-bottom: 0; }

.section-head { display: grid; grid-template-columns: minmax(0, .7fr) minmax(18rem, 1fr); gap: var(--kp-space-10); align-items: start; margin-bottom: var(--kp-space-12); }

.kicker { margin-bottom: var(--kp-space-3); color: var(--kp-text-tertiary); font-size: .8125rem; font-weight: 620; letter-spacing: .01em; font-variant-numeric: tabular-nums; }

.hero .kicker { color: var(--kp-accent); }

.section h2 { font-size: var(--kp-type-title-size); }

.section-intro { max-width: 44rem; color: var(--kp-text-secondary); }

.hero { min-height: calc(100vh - 4rem); display: grid; align-content: center; padding: clamp(var(--kp-space-16), 10vw, 8rem) 0; }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr); gap: clamp(var(--kp-space-10), 8vw, 8rem); align-items: end; }

.hero h1, .type-display {
      font-family: var(--kp-font-expressive); font-weight: 580; font-optical-sizing: auto;
      font-variation-settings: "SOFT" 48, "WONK" 0; letter-spacing: -.035em;
    }

.hero h1 { max-width: 11.5ch; font-size: var(--kp-type-display-size); line-height: 1.05; text-wrap: balance; }

.hero-lead { max-width: 43rem; margin-top: var(--kp-space-6); color: var(--kp-text-secondary); font-size: var(--kp-type-heading-size); }

.hero-note { max-width: 24rem; }

.hero-note strong { display: block; margin-bottom: var(--kp-space-2); }

.hero-note p { color: var(--kp-text-secondary); font-size: var(--kp-text-sm); }

.connection-thread { width: 4.5rem; display: grid; grid-template-columns: .72rem 1fr .72rem; align-items: center; margin-bottom: var(--kp-space-5); }

.connection-thread i { width: .72rem; height: .72rem; border-radius: 50%; background: var(--kp-accent); box-shadow: 0 0 0 4px var(--kp-accent-soft); }

.connection-thread i:last-child { background: var(--kp-brand-connection); box-shadow: 0 0 0 4px var(--kp-brand-connection-soft); }

.connection-thread b { height: 2px; background: linear-gradient(90deg, var(--kp-accent), var(--kp-brand-connection)); }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--kp-space-3); margin-top: var(--kp-space-8); }

.button {
      min-height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--kp-space-2);
      padding: 0 var(--kp-space-4); border: 1px solid transparent; border-radius: var(--kp-radius-full);
      background: transparent; color: var(--kp-text-primary); font-weight: 680; text-decoration: none; cursor: pointer;
      transition: background var(--kp-duration-fast) var(--kp-ease), border-color var(--kp-duration-fast) var(--kp-ease), transform var(--kp-duration-fast) var(--kp-ease);
    }

.button:hover { background: var(--kp-bg-subtle); }

.button:active { transform: translateY(1px); }

.button-primary {
      background: linear-gradient(180deg, var(--kp-action-brand-start), var(--kp-action-brand-end));
      color: var(--kp-action-brand-text); font-weight: 760; box-shadow: inset 0 -1px 0 rgba(77, 18, 0, .18);
    }

.button-primary:hover { background: linear-gradient(180deg, var(--kp-brand-500), var(--kp-brand-600)); }

.button-primary:active { background: linear-gradient(180deg, var(--kp-brand-700), var(--kp-brand-800)); }

.button-ink { background: var(--kp-action-ink-bg); color: var(--kp-action-ink-text); font-weight: 720; }

.button-ink:hover { background: var(--kp-action-ink-hover); }

.button-secondary { border-color: var(--kp-border-default); background: var(--kp-bg-surface); }

.button-quiet { color: var(--kp-text-secondary); }

.button-small { min-height: 2.25rem; padding-inline: var(--kp-space-3); font-size: var(--kp-text-sm); }

.icon-button { width: 2.75rem; padding: 0; border-radius: 50%; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .76fr); gap: clamp(var(--kp-space-8), 6vw, var(--kp-space-16)); align-items: start; }

.stack { display: grid; gap: var(--kp-space-6); }

.subsection + .subsection { margin-top: var(--kp-space-12); }

.subsection h3 {
  margin-bottom: var(--kp-space-4);
  font-size: var(--kp-text-lg);
  max-width: var(--kp-reading-max);
}

.subsection > p { max-width: var(--kp-reading-max); color: var(--kp-text-secondary); }

.plain-list { margin: var(--kp-space-4) 0 0; padding-left: 1.25rem; color: var(--kp-text-secondary); }

.plain-list li + li { margin-top: var(--kp-space-2); }

.type-display { margin-top: var(--kp-space-3); font-size: var(--kp-type-display-size); line-height: 1.05; }

.type-title { margin-top: var(--kp-space-3); font-size: var(--kp-type-title-size); font-weight: 700; line-height: 1.29; }

.type-heading { margin-top: var(--kp-space-3); font-size: var(--kp-type-heading-size); font-weight: 750; line-height: 1.4; }

.type-body { max-width: 42rem; margin-top: var(--kp-space-3); color: var(--kp-text-secondary); }

.type-small { margin-top: var(--kp-space-3); color: var(--kp-text-secondary); font-size: var(--kp-type-body-small-size); line-height: 1.43; }

.type-caption { margin-top: var(--kp-space-3); color: var(--kp-text-tertiary); font-size: var(--kp-type-caption-size); line-height: 1.34; }

.type-numerals { margin-top: var(--kp-space-3); font-size: clamp(1.8rem, 4vw, 3rem); font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.025em; }

.type-decision { margin-top: var(--kp-space-10); padding-block: var(--kp-space-5); border-block: 1px solid var(--kp-border-default); }

.type-decision strong { display: block; font-size: var(--kp-text-lg); }

.type-decision p { max-width: var(--kp-reading-max); margin-top: var(--kp-space-2); color: var(--kp-text-secondary); }

.type-decision small { display: block; margin-top: var(--kp-space-3); color: var(--kp-text-tertiary); }

.status { display: inline-flex; align-items: center; min-height: 1.75rem; padding: 0 var(--kp-space-3); border: 1px solid var(--kp-border-default); border-radius: var(--kp-radius-full); color: var(--kp-text-secondary); font-size: var(--kp-text-xs); font-weight: 700; }

.status::before { content: ""; width: .42rem; height: .42rem; margin-right: var(--kp-space-2); border-radius: 50%; background: currentColor; }

.status-success { border-color: var(--kp-success-border); background: var(--kp-success-bg); color: var(--kp-success-text); }

.status-warning { border-color: var(--kp-warning-border); background: var(--kp-warning-bg); color: var(--kp-warning-text); }

.status-error { border-color: var(--kp-error-border); background: var(--kp-error-bg); color: var(--kp-error-text); }

.field { display: grid; gap: var(--kp-space-2); width: min(100%, 26rem); }

.field label { font-size: var(--kp-text-sm); font-weight: 680; }

.field input, .field select, .field textarea {
      width: 100%; min-height: 2.75rem; padding: var(--kp-space-2) var(--kp-space-3); border: 1px solid var(--kp-border-default);
      border-radius: var(--kp-radius-s); background: var(--kp-bg-surface); color: var(--kp-text-primary);
    }

.field textarea { min-height: 7rem; resize: vertical; }

.field small { color: var(--kp-text-tertiary); }

.notice { padding: var(--kp-space-4) var(--kp-space-5); border-left: 3px solid var(--kp-info-text); background: var(--kp-info-bg); color: var(--kp-info-text); }

.notice strong { display: block; margin-bottom: var(--kp-space-1); }

.notice p { font-size: var(--kp-text-sm); }

.notice-insight { border-color: var(--kp-brand-insight); background: var(--kp-brand-insight-soft); color: var(--kp-brand-insight); }

.notice-warmth { border-color: var(--kp-brand-warmth); background: var(--kp-brand-warmth-soft); color: var(--kp-brand-warmth); }

.mobile-menu { display: none; }

@media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
    }

@media (max-width: 68rem) {
      .app-shell { grid-template-columns: 1fr; }
      .side-rail { display: none; }
      .mobile-menu { display: inline-flex; }
      .section-head, .hero-grid, .contract, .brand-core { grid-template-columns: 1fr; }
      .hero { min-height: auto; }
      .principle-grid, .recipe-grid, .table-guidance, .production-recipes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .brand-asset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .motion-grammar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

@media (max-width: 48rem) {
      .topbar { padding-inline: var(--kp-space-4); }
      .topbar-title { display: none; }
      .section { padding-block: var(--kp-space-12); }
      .section-head { gap: var(--kp-space-5); margin-bottom: var(--kp-space-8); }
      .hero { padding-block: var(--kp-space-16); }
      .split, .component-grid, .compare, .demo-columns, .table-toolbar, .capability-map { grid-template-columns: 1fr; }
      .principle-grid, .recipe-grid { grid-template-columns: 1fr; }
      .composition-grid--portrait { grid-template-columns: 1fr; }
      .composition-intro { align-items: flex-start; flex-direction: column; }
      .composition-canvas--landscape { min-height: 25rem; aspect-ratio: auto; }
      .product-proof-copy { width: 46%; }
      .product-proof-phone { right: 7%; height: 66%; top: 18%; }
      .swatches { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .colour-voices, .table-guidance, .brand-asset-grid, .brush-contract { grid-template-columns: 1fr; }
      .motion-grammar, .production-recipes, .pilot-queue { grid-template-columns: 1fr; }
      .voice-example { grid-template-columns: 1fr; gap: var(--kp-space-2); }
      .voice-example .avoid { margin-top: var(--kp-space-2); }
      .thread-flow { grid-template-columns: 1fr; justify-items: start; gap: var(--kp-space-3); }
      .thread-node { grid-template-columns: auto 1fr; justify-items: start; min-width: 0; text-align: left; }
      .thread-line { width: 2px; height: 2rem; margin-left: .42rem; background: linear-gradient(180deg, var(--line-start), var(--line-end)); }
      .data-viz-rule { grid-template-columns: 1fr; gap: var(--kp-space-2); }
      .motion-timeline { grid-template-columns: repeat(2, 1fr); }
      .motion-time:nth-child(2) { border-right: 0; }
      .motion-time:nth-child(-n+2) { border-bottom: 1px solid var(--kp-border-subtle); }
      .layout-demo { grid-template-columns: 4rem minmax(0, 1fr); }
      .demo-rail { padding: var(--kp-space-3); }
      .demo-nav { display: none; }
      .demo-main { padding: var(--kp-space-5); }
      .demo-aside { display: none; }
      .metric-strip { grid-template-columns: 1fr; }
      .metric + .metric { border-left: 0; border-top: 1px solid var(--kp-border-subtle); }
      .source { grid-template-columns: 1fr; gap: var(--kp-space-2); }
      .table-summary, .table-footer { align-items: flex-start; flex-direction: column; padding-block: var(--kp-space-3); }
      .data-table th:first-child, .data-table td:first-child { position: sticky; left: 0; z-index: 1; background: var(--kp-bg-surface); box-shadow: 1px 0 0 var(--kp-border-subtle); }
      .data-table th:first-child { z-index: 3; background: var(--kp-bg-subtle); }
    }