/* AlphaKit public home — editorial research desk. All colors follow the saved theme. */
body.public-visible {
  overflow: auto;
  --ph-canvas: #080d16;
  --ph-canvas-alt: #0d1522;
  --ph-method: #102039;
  --ph-panel: #111c2b;
  --ph-panel-raised: #17263a;
  --ph-ink: #f2f6fd;
  --ph-muted: #b5c4d7;
  --ph-faint: #8fa4be;
  --ph-line: #2b3c52;
  --ph-line-strong: #4a6584;
  --ph-blue: #8abaff;
  --ph-blue-strong: #c0dbff;
  --ph-blue-field: #18385d;
  --ph-button: #72a9f7;
  --ph-button-ink: #071523;
  --ph-shadow: 0 24px 64px rgba(0, 0, 0, .28);
  --fg-strong: #f2f6fd;
  --modal-bg: #162235;
  --modal-border: #40536e;
  --input-bg: #0f1a2b;
  --input-border: #657b99;
  --input-fg: #f1f5f9;
  --input-placeholder: #a4b6cd;
  --label-fg: #c7d6e8;
}
body.public-visible.light-theme {
  --ph-canvas: #f7f9fc;
  --ph-canvas-alt: #edf3fa;
  --ph-method: #e3edf8;
  --ph-panel: #ffffff;
  --ph-panel-raised: #f3f7fc;
  --ph-ink: #13243b;
  --ph-muted: #405675;
  --ph-faint: #5c7190;
  --ph-line: #cdd9e8;
  --ph-line-strong: #829bb9;
  --ph-blue: #245da9;
  --ph-blue-strong: #153f7a;
  --ph-blue-field: #e3efff;
  --ph-button: #225eae;
  --ph-button-ink: #ffffff;
  --ph-shadow: 0 24px 64px rgba(32, 66, 110, .12);
  --fg-strong: #17263e;
  --modal-bg: #ffffff;
  --modal-border: #d9e2ed;
  --input-bg: #f6f8fb;
  --input-border: #8394aa;
  --input-fg: #17263e;
  --input-placeholder: #65768c;
  --label-fg: #40536e;
}
.ak-public {
  min-height: 100vh;
  overflow: clip;
  color: var(--ph-ink);
  background: var(--ph-canvas);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  font-feature-settings: "tnum";
}
.ak-public ::selection { color: var(--ph-button-ink); background: var(--ph-button); }
.ak-public a { color: inherit; text-decoration: none; }
.ak-public button { font: inherit; }
.ak-public :where(a, button, summary):focus-visible,
body.public-visible .modal-card :where(button, input):focus-visible { outline: 3px solid var(--ph-blue); outline-offset: 4px; }
.ak-public [id] { scroll-margin-top: 88px; }
.public-container { width: min(100% - 96px, 1380px); margin-inline: auto; }
.public-skip { position: fixed; z-index: 300; top: -90px; left: 24px; padding: 10px 16px; color: #fff !important; background: #245da9; border-radius: 6px; }
.public-skip:focus { top: 14px; }

/* Navigation */
.ak-public .public-header {
  height: 76px;
  padding-inline: max(48px, calc((100vw - 1380px) / 2));
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--ph-line);
  background: color-mix(in srgb, var(--ph-canvas) 92%, transparent);
  backdrop-filter: blur(18px);
}
.ak-public .brand-name { color: var(--ph-ink); font-size: 23px; letter-spacing: -.055em; }
.ak-public .brand-name b { color: var(--ph-blue); }
.ak-public .brand-tag { margin-left: 3px; padding: 0; border: 0; background: transparent; color: var(--ph-faint); font-size: 11px; font-weight: 600; }
.public-nav { display: flex; align-items: center; gap: clamp(18px, 2vw, 34px); margin-left: auto; margin-right: 38px; white-space: nowrap; }
.public-nav a { position: relative; color: var(--ph-muted); font-size: 12px; font-weight: 650; transition: color .2s; }
.public-nav a::after { content: ""; position: absolute; right: 100%; bottom: -12px; left: 0; height: 1px; background: var(--ph-blue); transition: right .25s ease; }
.public-nav a:hover { color: var(--ph-ink); }
.public-nav a:hover::after { right: 0; }
.ak-public .btn-login { min-height: 40px; padding: 8px 17px; border: 1px solid var(--ph-line-strong); border-radius: 6px; color: var(--ph-ink); background: transparent; font-size: 12px; font-weight: 750; white-space: nowrap; box-shadow: none; transition: background .2s, border-color .2s; }
.ak-public .btn-login:hover { opacity: 1; background: var(--ph-blue-field); border-color: var(--ph-blue); }
.ak-public #topbar-theme { color: var(--ph-muted) !important; }
.ak-public #topbar-theme:hover { background: var(--ph-blue-field) !important; }

/* Hero */
.public-hero { position: relative; isolation: isolate; overflow: hidden; background: var(--ph-canvas); }
.public-hero::before { content: ""; position: absolute; inset: 0 0 52px 47%; z-index: -1; opacity: .44; background-image: linear-gradient(var(--ph-line) 1px, transparent 1px), linear-gradient(90deg, var(--ph-line) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, transparent, #000 23%, #000 80%, transparent); pointer-events: none; }
.public-hero::after { content: ""; position: absolute; right: -13vw; top: -26vw; width: 58vw; aspect-ratio: 1; z-index: -1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--ph-blue) 12%, transparent), transparent 67%); pointer-events: none; }
.public-hero-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(44px, 4.3vw, 72px); min-height: min(760px, calc(100svh - 128px)); padding-block: 68px 58px; }
.public-hero-copy { position: relative; z-index: 1; padding-block: 20px; }
.public-eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 32px; color: var(--ph-blue-strong); font-size: 11px; font-weight: 750; letter-spacing: .09em; }
.public-eyebrow-line { flex: none; width: 24px; height: 1px; background: var(--ph-blue); }
.public-eyebrow-code { color: var(--ph-faint); font-size: 10px; letter-spacing: .16em; }
.public-hero h1 { margin: 0; color: var(--ph-ink); font-size: clamp(44px, 4.2vw, 70px); font-weight: 750; line-height: 1.18; letter-spacing: -.055em; text-wrap: balance; }
.public-hero h1 span { color: var(--ph-blue); white-space: nowrap; }
.public-hero-lead { max-width: 29em; margin: 30px 0 0; color: var(--ph-muted); font-size: 16px; line-height: 1.9; }
.public-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 38px; }
.public-primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 56px; padding: 14px 19px 14px 22px; border: 1px solid var(--ph-button); border-radius: 6px; color: var(--ph-button-ink); background: var(--ph-button); font-size: 14px; font-weight: 780; cursor: pointer; transition: background .25s, color .25s, transform .25s, box-shadow .25s; }
.public-primary:hover { transform: translateY(-3px); background: var(--ph-blue-strong); box-shadow: 0 13px 30px color-mix(in srgb, var(--ph-blue) 20%, transparent); }
.public-primary:active { transform: translateY(0); }
.public-primary span { font-size: 21px; line-height: .7; font-weight: 400; }
.public-text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; border-bottom: 1px solid var(--ph-line-strong); color: var(--ph-ink) !important; font-size: 13px; font-weight: 700; transition: border-color .2s, gap .2s; }
.public-text-link:hover { gap: 15px; border-color: var(--ph-blue); }
.public-hero-foot { margin: 32px 0 0; color: var(--ph-faint); font-size: 11px; }
.public-hero-foot span { margin-right: 8px; color: var(--ph-blue); font-size: 16px; }
.public-hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 52px; border-top: 1px solid var(--ph-line); color: var(--ph-faint); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.public-hero-bottom a { display: inline-flex; gap: 12px; align-items: center; color: var(--ph-muted); font-size: 11px; letter-spacing: .02em; transition: color .2s; }
.public-hero-bottom a:hover { color: var(--ph-blue); }

/* The interactive research desk */
.public-hero-visual { min-width: 0; width: 100%; margin: 0; }
.research-console { overflow: hidden; border: 1px solid var(--ph-line-strong); border-radius: 8px; background: var(--ph-panel); box-shadow: var(--ph-shadow); }
.research-console-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 50px; padding: 12px 19px; border-bottom: 1px solid var(--ph-line); color: var(--ph-faint); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.research-console-top span:first-child { display: inline-flex; align-items: center; gap: 9px; color: var(--ph-blue-strong); }
.research-console-top i { width: 6px; height: 6px; border-radius: 50%; background: var(--ph-blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ph-blue) 20%, transparent); }
.research-console-main { display: grid; grid-template-columns: 132px minmax(0, 1fr); min-height: 462px; }
.research-stage-nav { display: flex; flex-direction: column; border-right: 1px solid var(--ph-line); }
.research-stage-nav button { position: relative; display: flex; flex: 1; flex-direction: column; justify-content: center; align-items: flex-start; gap: 2px; min-height: 93px; padding: 14px 12px 14px 23px; border: 0; border-bottom: 1px solid var(--ph-line); color: var(--ph-muted); background: transparent; text-align: left; cursor: pointer; transition: color .2s, background .2s, padding-left .2s; }
.research-stage-nav button:last-child { border-bottom: 0; }
.research-stage-nav button::before { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: transparent; transition: background .2s; }
.research-stage-nav button:hover { padding-left: 27px; color: var(--ph-ink); background: color-mix(in srgb, var(--ph-blue) 7%, transparent); }
.research-stage-nav button[aria-pressed="true"] { color: var(--ph-ink); background: var(--ph-blue-field); }
.research-stage-nav button[aria-pressed="true"]::before { background: var(--ph-blue); }
.research-stage-nav button span { color: var(--ph-blue); font-size: 10px; font-weight: 750; letter-spacing: .1em; }
.research-stage-nav button strong { font-size: 17px; line-height: 1.2; font-weight: 750; }
.research-stage-nav button small { font-size: 10px; color: var(--ph-faint); white-space: nowrap; }
.research-stage-panel { min-width: 0; padding: 24px clamp(20px, 2.2vw, 34px) 19px; animation: stage-in .35s cubic-bezier(.16,1,.3,1) both; }
.research-panel-kicker { margin: 0; color: var(--ph-blue); font-size: 10px; font-weight: 750; letter-spacing: .14em; }
.research-stage-panel h2 { max-width: 16em; margin: 11px 0 0; color: var(--ph-ink); font-size: clamp(19px, 1.9vw, 27px); font-weight: 720; line-height: 1.42; letter-spacing: -.025em; }
.research-panel-lead { max-width: 39em; min-height: 61px; margin: 11px 0 16px; color: var(--ph-muted); font-size: 12px; line-height: 1.72; }
.research-chart { height: 176px; overflow: hidden; border: 1px solid var(--ph-line); border-radius: 5px; background: var(--ph-canvas-alt); }
.research-chart-head { display: flex; align-items: center; justify-content: space-between; gap: 9px; padding: 9px 12px; border-bottom: 1px solid var(--ph-line); font-size: 10px; }
.research-chart-head strong { color: var(--ph-ink); font-size: 11px; font-weight: 700; }
.research-chart-head span { color: var(--ph-faint); font-size: 10px; }
.research-market-chart svg { display: block; width: calc(100% - 24px); height: 112px; margin-inline: 12px; overflow: visible; }
.research-market-chart svg path { fill: none; vector-effect: non-scaling-stroke; }
.research-market-chart svg .grid { stroke: var(--ph-line); stroke-width: 1; }
.research-market-chart svg .secondary { stroke: var(--ph-faint); stroke-width: 1.4; stroke-dasharray: 4 5; }
.research-market-chart svg .primary { stroke: var(--ph-blue); stroke-width: 2.4; stroke-linecap: round; }
.research-chart-axis { display: flex; justify-content: space-between; padding-inline: 12px; color: var(--ph-faint); font-size: 8px; }
.research-panel-fields { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.research-panel-fields span { padding: 4px 7px; border: 1px solid var(--ph-line); border-radius: 3px; color: var(--ph-muted); font-size: 10px; }
.research-console-bottom { display: flex; align-items: center; justify-content: space-between; gap: 7px; min-height: 46px; padding: 10px 20px; border-top: 1px solid var(--ph-line); color: var(--ph-faint); font-size: 11px; }
.research-console-bottom strong { color: var(--ph-blue-strong); font-size: 11px; font-weight: 650; }
.public-hero-visual figcaption { margin-top: 12px; color: var(--ph-faint); font-size: 11px; text-align: right; }
.phase-field { position: relative; height: 137px; margin: 0 12px; background-image: linear-gradient(90deg, transparent calc(50% - .5px), var(--ph-line-strong) 50%, transparent calc(50% + .5px)), linear-gradient(0deg, transparent calc(50% - .5px), var(--ph-line-strong) 50%, transparent calc(50% + .5px)); }
.phase-field::before, .phase-field::after { content: ""; position: absolute; z-index: 0; opacity: .32; background: var(--ph-line); }
.phase-field::before { left: 25%; width: 1px; height: 100%; }
.phase-field::after { top: 25%; width: 100%; height: 1px; }
.phase-field span { position: absolute; z-index: 2; color: var(--ph-faint); background: var(--ph-canvas-alt); font-size: 8px; }
.phase-x { right: 0; bottom: 3px; }
.phase-y { left: 3px; top: 3px; }
.phase-field i { position: absolute; z-index: 1; width: 8px; height: 8px; border: 2px solid var(--ph-canvas-alt); border-radius: 50%; background: var(--ph-blue); box-shadow: 0 0 0 1px var(--ph-blue); }
.phase-field i:nth-of-type(1) { left: 18%; top: 27%; }.phase-field i:nth-of-type(2) { left: 31%; top: 63%; }.phase-field i:nth-of-type(3) { left: 53%; top: 46%; width: 13px; height: 13px; }.phase-field i:nth-of-type(4) { left: 71%; top: 23%; }.phase-field i:nth-of-type(5) { left: 82%; top: 58%; }.phase-field i:nth-of-type(6) { left: 62%; top: 16%; }
.factor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px 12px; padding: 17px 12px; }
.factor-grid span { display: flex; flex-direction: column; gap: 5px; color: var(--ph-muted); font-size: 9px; }
.factor-grid i { display: block; height: 9px; border-radius: 2px; background: linear-gradient(90deg, var(--ph-blue) 67%, var(--ph-blue-field) 67%); }
.factor-grid span:nth-child(2) i { background: linear-gradient(90deg, var(--ph-blue) 81%, var(--ph-blue-field) 81%); }.factor-grid span:nth-child(3) i { background: linear-gradient(90deg, var(--ph-blue) 47%, var(--ph-blue-field) 47%); }.factor-grid span:nth-child(4) i { background: linear-gradient(90deg, var(--ph-blue) 58%, var(--ph-blue-field) 58%); }.factor-grid span:nth-child(5) i { background: linear-gradient(90deg, var(--ph-blue) 76%, var(--ph-blue-field) 76%); }.factor-grid span:nth-child(6) i { background: linear-gradient(90deg, var(--ph-blue) 35%, var(--ph-blue-field) 35%); }.factor-grid span:nth-child(7) i { background: linear-gradient(90deg, var(--ph-blue) 62%, var(--ph-blue-field) 62%); }.factor-grid span:nth-child(8) i { background: linear-gradient(90deg, var(--ph-blue) 55%, var(--ph-blue-field) 55%); }
.test-ledger { display: grid; padding-inline: 12px; }
.test-ledger div { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 43px; border-bottom: 1px solid var(--ph-line); }
.test-ledger div:last-child { border-bottom: 0; }
.test-ledger span { color: var(--ph-blue); font-size: 9px; font-weight: 700; }
.test-ledger strong { color: var(--ph-muted); font-size: 10px; font-weight: 600; }
@keyframes stage-in { from { transform: translateY(7px); filter: blur(2px); } to { transform: translateY(0); filter: blur(0); } }

/* Shared section rhythm */
.public-section { position: relative; padding-block: clamp(90px, 9vw, 150px); }
.public-section h2 { margin: 0; color: var(--ph-ink); font-size: clamp(34px, 3.4vw, 54px); font-weight: 720; line-height: 1.31; letter-spacing: -.04em; text-wrap: balance; }
.public-section p { color: var(--ph-muted); }
.public-section-label { display: block; margin-bottom: 24px; color: var(--ph-blue); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.public-preview { background: var(--ph-canvas-alt); }
.public-preview-layout { display: grid; grid-template-columns: minmax(0, .68fr) minmax(0, 1.32fr); align-items: center; gap: clamp(50px, 6vw, 100px); }
.public-section-copy > p { max-width: 33em; margin: 24px 0 34px; font-size: 14px; line-height: 1.9; }
.public-facts { margin: 0; border-top: 1px solid var(--ph-line); }
.public-facts > div { display: grid; grid-template-columns: 83px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--ph-line); }
.public-facts dt { color: var(--ph-faint); font-size: 11px; font-weight: 700; }
.public-facts dd { margin: 0; color: var(--ph-ink); font-size: 11px; font-weight: 650; }
.public-chart-panel { min-width: 0; overflow: hidden; border: 1px solid var(--ph-line-strong); border-radius: 8px; background: var(--ph-panel); box-shadow: var(--ph-shadow); }
.public-chart-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 56px; padding: 14px 19px; border-bottom: 1px solid var(--ph-line); color: var(--ph-ink); }
.public-chart-head strong { font-size: 13px; }.public-chart-head span { color: var(--ph-faint); font-size: 10px; }
.ak-public .chart-toolbar-bar { background: var(--ph-panel-raised); border-color: var(--ph-line); }
.ak-public #hero-chart { position: relative; width: 100%; height: 390px; min-height: 390px; }
.public-chart-fallback { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(25px, 5vw, 52px); background: var(--ph-panel); }
.public-chart-fallback span { color: var(--ph-blue); font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.public-chart-fallback strong { margin-top: 13px; color: var(--ph-ink); font-size: clamp(20px, 2vw, 28px); font-weight: 720; }
.public-chart-fallback p { max-width: 35em; margin: 11px 0 0; color: var(--ph-muted); font-size: 12px; line-height: 1.8; }
.public-chart-note { margin: 0; padding: 13px 19px; border-top: 1px solid var(--ph-line); color: var(--ph-faint) !important; font-size: 10px; }

/* Product index */
.public-capabilities { background: var(--ph-canvas); }
.public-section-intro { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 51px; }
.public-section-intro h2 { max-width: 12em; }
.public-section-intro p { max-width: 29em; margin: 0; font-size: 14px; line-height: 1.85; }
.public-capability-list { border-top: 1px solid var(--ph-line-strong); }
.public-capability-list article { position: relative; display: grid; grid-template-columns: 60px minmax(185px, .7fr) minmax(0, 1.4fr) minmax(95px, .45fr); align-items: center; gap: clamp(16px, 2.5vw, 38px); min-height: 108px; padding: 19px 17px; border-bottom: 1px solid var(--ph-line); transition: background .25s, padding-left .25s; }
.public-capability-list article:hover { padding-left: 25px; background: var(--ph-blue-field); }
.public-capability-list .capability-no { color: var(--ph-blue); font-size: 13px; font-weight: 750; letter-spacing: .08em; }
.public-capability-list h3 { margin: 0; color: var(--ph-ink); font-size: clamp(18px, 1.65vw, 24px); font-weight: 720; letter-spacing: -.03em; }
.public-capability-list p { max-width: 43em; margin: 0; color: var(--ph-muted); font-size: 12px; line-height: 1.7; }
.public-capability-list .capability-status { justify-self: end; color: var(--ph-faint); font-size: 10px; font-weight: 700; white-space: nowrap; }

/* Method and FAQ */
.public-method { background: var(--ph-method); }
.public-method-layout { display: grid; gap: clamp(42px, 5.5vw, 76px); }
.public-method-copy { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: end; gap: clamp(40px, 8vw, 144px); }
.public-method-label { margin: 0 0 22px !important; color: var(--ph-blue) !important; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.public-method h2 { max-width: 13em; }
.public-method-intro { max-width: 35em; margin: 0 0 6px; font-size: 14px; line-height: 1.9; }
.public-method-figure { position: relative; width: min(100%, 1100px); margin: 0 auto; }
.public-method-image { display: block; width: 100%; height: auto; border: 1px solid var(--ph-line-strong); border-radius: 6px; box-shadow: var(--ph-shadow); }
.public-method-figure figcaption { display: flex; justify-content: space-between; gap: 16px; margin-top: 12px; color: var(--ph-faint); font-size: 10px; line-height: 1.5; }
.public-method-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.public-method-legend b { color: var(--ph-blue); font-size: 10px; font-weight: 750; white-space: nowrap; }
.public-method-items { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: clamp(20px, 3vw, 44px); border-top: 1px solid var(--ph-line-strong); }
.public-method-items > div { display: block; min-height: 138px; padding: 26px 0; border-bottom: 1px solid var(--ph-line); }
.public-method-items strong { color: var(--ph-blue-strong); font-size: 15px; font-weight: 720; }
.public-method-items p { margin: 12px 0 0; color: var(--ph-muted); font-size: 12px; line-height: 1.75; }
.public-method-items .public-method-note { grid-column: 1 / -1; max-width: 70em; margin: 22px 0 0; padding-left: 16px; border-left: 2px solid var(--ph-blue); color: var(--ph-muted); font-size: 11px; line-height: 1.8; }
.public-questions { background: var(--ph-canvas); }
.public-questions-layout { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(54px, 7vw, 120px); }
.public-questions h2 { max-width: 10em; }
.public-question-list { border-top: 1px solid var(--ph-line-strong); }
.public-question-list details { border-bottom: 1px solid var(--ph-line); }
.public-question-list summary { display: flex; justify-content: space-between; align-items: center; gap: 18px; min-height: 72px; color: var(--ph-ink); font-size: 14px; font-weight: 700; cursor: pointer; list-style: none; transition: color .2s; }
.public-question-list summary:hover { color: var(--ph-blue); }
.public-question-list summary::-webkit-details-marker { display: none; }
.public-question-list summary::after { content: "+"; color: var(--ph-blue); font-size: 24px; font-weight: 400; }
.public-question-list details[open] summary::after { content: "−"; }
.public-question-list details p { max-width: 51em; margin: -1px 35px 24px 0; color: var(--ph-muted); font-size: 12px; line-height: 1.85; }
.public-footer { padding-block: 20px; border-top: 1px solid var(--ph-line); background: var(--ph-canvas-alt); }
.public-footer-layout { display: grid; grid-template-columns: 110px minmax(0, 1fr); align-items: center; gap: 4px 28px; }
.public-footer-brand { grid-row: 1 / span 2; color: var(--ph-blue); font-size: 21px; font-weight: 800; letter-spacing: -.06em; }
.public-footer p { grid-column: 2; max-width: calc(100% - 180px); margin: 0; color: var(--ph-faint); font-size: 10px; line-height: 1.8; }
.public-footer a { color: var(--ph-blue); font-size: 11px; font-weight: 700; text-align: left; }
.public-footer .public-footer-links { grid-column: 2; display: flex; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 4px 24px; }
.public-footer-links a { display: inline-flex; align-items: center; justify-content: flex-start; min-height: 32px; }
@media (max-width: 650px) { .public-footer-links a { min-height: 44px; } }
body.public-visible .modal-card { color: var(--ph-ink); box-shadow: var(--ph-shadow); }
body.public-visible .modal-back { background: rgba(4, 11, 22, .67); }
body.public-visible .modal-input { background: var(--input-bg); color: var(--input-fg); }
body.public-visible #login-submit { background: var(--ph-button) !important; color: var(--ph-button-ink) !important; }
body.public-visible #login-submit:hover { filter: brightness(1.08); }

@media (max-width: 1200px) {
  .public-container { width: min(100% - 72px, 1380px); }
  .ak-public .public-header { padding-inline: 36px; }
  .public-hero-layout { gap: 32px; }
  .public-hero h1 { font-size: clamp(43px, 4vw, 60px); }
  .research-console-main { grid-template-columns: 115px minmax(0, 1fr); }
  .research-stage-nav button { padding-left: 17px; }
}
@media (max-width: 900px) {
  .public-container { width: min(100% - 50px, 1380px); }
  .ak-public .public-header { height: 66px; padding-inline: 25px; }
  .ak-public .brand-tag, .public-nav { display: none; }
  .public-hero-layout { grid-template-columns: 1fr; min-height: 0; gap: 56px; padding-block: 74px 66px; }
  .public-hero-copy { max-width: 740px; padding-block: 0; }
  .public-hero h1 { font-size: clamp(47px, 7vw, 70px); }
  .public-hero-visual { max-width: 760px; }
  .public-preview-layout, .public-questions-layout { grid-template-columns: 1fr; gap: 44px; }
  .public-section-intro { align-items: start; }
  .public-method-copy { grid-template-columns: 1fr; gap: 24px; }
  .public-method-items { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .public-capability-list article { grid-template-columns: 35px minmax(140px, .65fr) minmax(0, 1.35fr); }
  .public-capability-list .capability-status { grid-column: 3; justify-self: start; }
}
@media (max-width: 600px) {
  .public-container { width: min(100% - 36px, 1380px); }
  .ak-public .public-header { height: 60px; padding-inline: 18px; }
  .ak-public .brand-name { font-size: 20px; }
  .ak-public .btn-login { padding-inline: 11px; font-size: 11px; }
  .ak-public #topbar-theme { padding: 6px !important; }
  .public-hero-layout { gap: 38px; padding-block: 53px 45px; }
  .public-eyebrow { gap: 8px; margin-bottom: 24px; font-size: 10px; }
  .public-eyebrow-code { display: none; }
  .public-hero h1 { font-size: clamp(37px, 9.6vw, 54px); line-height: 1.21; }
  .public-hero-lead { margin-top: 22px; font-size: 14px; line-height: 1.85; }
  .public-hero-actions { align-items: stretch; flex-direction: column; gap: 7px; margin-top: 28px; }
  .public-primary { width: 100%; }
  .public-text-link { align-self: flex-start; }
  .public-hero-foot { margin-top: 22px; line-height: 1.55; }
  .research-console-top { min-height: 42px; padding-inline: 12px; font-size: 8px; }
  .research-console-top span:last-child { display: none; }
  .research-console-main { display: block; min-height: 0; }
  .research-stage-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-right: 0; border-bottom: 1px solid var(--ph-line); }
  .research-stage-nav button { min-height: 62px; padding: 10px 4px; align-items: center; text-align: center; border-right: 1px solid var(--ph-line); border-bottom: 0; }
  .research-stage-nav button:last-child { border-right: 0; }
  .research-stage-nav button::before { top: auto; right: 0; height: 3px; width: auto; }
  .research-stage-nav button:hover { padding-left: 4px; }
  .research-stage-nav button strong { font-size: 13px; }
  .research-stage-nav button small { display: none; }
  .research-stage-panel { min-height: 400px; padding: 22px 15px 17px; }
  .research-stage-panel h2 { font-size: 20px; }
  .research-panel-lead { min-height: 0; margin: 10px 0 16px; font-size: 11px; }
  .research-chart { height: 168px; }
  .research-market-chart svg { height: 104px; }
  .research-console-bottom { flex-wrap: wrap; justify-content: flex-start; gap: 8px 14px; padding: 10px 14px; font-size: 9px; }
  .research-console-bottom span { flex-basis: 100%; }
  .public-hero-visual figcaption { line-height: 1.5; }
  .public-hero-bottom { min-height: 60px; }
  .public-hero-bottom > span { display: none; }
  .public-section { padding-block: 79px; }
  .public-section h2 { font-size: clamp(31px, 8vw, 42px); }
  .public-section-label { margin-bottom: 18px; }
  .public-section-copy > p { margin: 19px 0 28px; }
  .ak-public #hero-chart { height: 300px; min-height: 300px; }
  .ak-public .chart-toolbar-bar { height: auto; min-height: 36px; padding-block: 4px; flex-wrap: wrap; overflow-x: visible; row-gap: 4px; }
  .ak-public .chart-toolbar-bar .tb-ind-cats { width: 88px; }
  .ak-public .chart-toolbar-bar .tb-ind-pv-row { grid-template-columns: 1fr; }
  .public-section-intro { display: block; margin-bottom: 28px; }
  .public-section-intro p { margin-top: 17px; }
  .public-capability-list article { grid-template-columns: 28px 1fr; gap: 7px 13px; padding: 18px 3px; }
  .public-capability-list article:hover { padding-left: 9px; }
  .public-capability-list .capability-no { grid-row: 1 / span 3; align-self: start; padding-top: 3px; }
  .public-capability-list h3, .public-capability-list p, .public-capability-list .capability-status { grid-column: 2; }
  .public-capability-list .capability-status { margin-top: 4px; }
  .public-method-layout { gap: 34px; }
  .public-method-figure figcaption { flex-direction: column; gap: 7px; }
  .public-method-legend { gap: 4px 11px; }
  .public-method-items { grid-template-columns: 1fr; }
  .public-method-items > div { min-height: 0; padding: 18px 0; }
  .public-method-items p { margin-top: 5px; }
  .public-question-list summary { min-height: 66px; font-size: 13px; }
  .public-footer { padding-bottom: calc(78px + env(safe-area-inset-bottom)); }
  .public-footer-layout { grid-template-columns: 1fr; gap: 8px; }
  .public-footer-brand { grid-row: auto; }
  .public-footer p { grid-column: 1; max-width: none; }
  .public-footer .public-footer-links { grid-column: 1; }
}
@media (max-width: 360px) {
  .public-hero h1 { font-size: 33px; }
  .research-console-bottom strong { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .ak-public *, .ak-public *::before, .ak-public *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}