/* tokens */
:root,[data-theme="dark"]{--surface-000:#05080a;--surface-100:#0b1013;--surface-200:#131a1e;--line:#1e292d;--line-strong:#56686c;--ink:#eaf4f2;--ink-muted:#8fa3a3;--helix:#3df2b0;--helix-soft:#0a2e23;--on-helix:#03120d;--synapse:#38d9ff;--synapse-soft:#062630;--on-synapse:#021219;--lumen:#d4ff3a;--lumen-soft:#232b05;--reagent:#ffb547;--reagent-soft:#3a2606;--assay:#ff7a6b;--assay-soft:#3b1310;--inverse:#eaf4f2;--on-inverse:#05080a;--link:var(--helix);--shadow-panel:0 0 0 1px #1e292d, 0 32px 64px -16px #000000e6;--glow-helix:0 0 0 1px #3df2b066, 0 0 24px #3df2b033;--glow-ai:0 0 0 1px #38d9ff55, 0 0 48px -8px #38d9ff4d, 0 0 96px -24px #3df2b04d;--focus-ring:0 0 0 2px #05080a, 0 0 0 4px #3df2b0;color-scheme:dark}
[data-theme="light"]{--surface-000:#f3f6f6;--surface-100:#ffffff;--surface-200:#e9eeee;--line:#d0dada;--line-strong:#728484;--ink:#0a1214;--ink-muted:#4a5c5e;--helix:#007a55;--helix-soft:#d6f7ea;--on-helix:#ffffff;--synapse:#00739a;--synapse-soft:#d9f3fc;--on-synapse:#ffffff;--lumen:#566e00;--lumen-soft:#eef8c9;--reagent:#8f5200;--reagent-soft:#fff0d6;--assay:#b42318;--assay-soft:#fde7e4;--inverse:#0a1214;--on-inverse:#f3f6f6;--link:var(--helix);--shadow-panel:0 1px 2px #0a121414, 0 16px 40px -12px #0a12142e;--glow-helix:0 0 0 1px #007a5566, 0 4px 16px #007a5526;--glow-ai:0 0 0 1px #00739a4d, 0 8px 32px -8px #00739a33;--focus-ring:0 0 0 2px #f3f6f6, 0 0 0 4px #007a55;color-scheme:light}
:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--space-24:96px;--space-32:128px;--radius-xs:2px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--font-display:"Unbounded", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-sans:"Space Grotesk", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "Noto Sans SC", ui-monospace, monospace;}
/* components */

/* ── base ─────────────────────────────────────────── */
@property --bl-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
body { margin: 0; font-family: var(--font-sans); background: var(--surface-000); color: var(--ink); font-size: 16px; line-height: 26px; -webkit-font-smoothing: antialiased; }
.bl-pad { padding: var(--space-6); }
.bl-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.bl-mono { font-family: var(--font-mono); }
.bl-label { font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.bl-aurora-text { background: linear-gradient(100deg, var(--helix) 0%, var(--synapse) 55%, var(--lumen) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bl-spot { position: relative; isolation: isolate; }
.bl-spot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1; opacity: 0; transition: opacity .25s; background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--synapse) 14%, transparent), transparent 70%); }
.bl-spot:hover::after { opacity: 1; }
@keyframes bl-pulse { 0%,100% { opacity: 1 } 50% { opacity: .4 } }
@keyframes bl-spin { to { --bl-angle: 360deg; } }
@keyframes bl-rot { to { transform: rotate(360deg); } }
@keyframes bl-blink { 50% { opacity: 0 } }
@keyframes bl-in { from { opacity: 0; transform: translateY(6px) } to { opacity: 1; transform: none } }
a { color: var(--link); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0s !important; animation-iteration-count: 1 !important; transition: none !important; } }

/* aurora border: a 1px rotating conic ring around any .bl-ring element */
.bl-ring { position: relative; isolation: isolate; }
.bl-ring::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none; z-index: 1;
  background: conic-gradient(from var(--bl-angle), var(--helix), var(--synapse), var(--lumen), var(--synapse), var(--helix));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: bl-spin 5s linear infinite; }

/* ── Button ───────────────────────────────────────── */
.bl-btn { display: inline-flex; align-items: center; gap: var(--space-2); font: inherit; font-weight: 500; font-size: 15px; line-height: 20px; height: 40px; padding: 0 var(--space-4); border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: box-shadow .15s, background .15s, border-color .15s, color .15s; white-space: nowrap; }
.bl-btn-sm { height: 32px; padding: 0 var(--space-3); font-size: 13px; }
.bl-btn-lg { height: 52px; padding: 0 var(--space-6); font-size: 16px; }
.bl-btn-primary { background: var(--helix); color: var(--on-helix); }
.bl-btn-primary:hover { box-shadow: var(--glow-helix); }
.bl-btn-ai { background: var(--surface-100); color: var(--ink); }
.bl-btn-ai:hover { box-shadow: var(--glow-ai); }
.bl-btn-ai .bl-btn-spark { color: var(--lumen); }
.bl-btn-secondary { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.bl-btn-secondary:hover { border-color: var(--helix); color: var(--helix); }
.bl-btn-ghost { background: transparent; color: var(--helix); padding: 0 var(--space-2); }
.bl-btn-ghost:hover { background: var(--helix-soft); }
.bl-btn:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }
.bl-btn svg { width: 16px; height: 16px; flex: none; transition: transform .15s; }
.bl-btn:hover .bl-btn-arrow { transform: translateX(3px); }
.bl-btn:hover .bl-btn-spark { transform: rotate(90deg); }

/* ── AIBadge ──────────────────────────────────────── */
.bl-ai { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; border-radius: var(--radius-sm); background: var(--surface-100); font-family: var(--font-display); font-weight: 700; font-size: 12px; line-height: 16px; letter-spacing: .02em; color: var(--ink); white-space: nowrap; }
.bl-ai-mark { font-family: var(--font-display); }
.bl-ai-text { font-family: var(--font-mono); font-weight: 500; letter-spacing: .06em; color: var(--ink); }
.bl-ai-lg { font-size: 14px; padding: 6px 12px; }

/* ── Tag ──────────────────────────────────────────── */
.bl-tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: .04em; padding: 4px var(--space-2); border-radius: var(--radius-xs); background: var(--surface-200); color: var(--ink-muted); white-space: nowrap; }
.bl-tag-helix { background: var(--helix-soft); color: var(--helix); }
.bl-tag-synapse { background: var(--synapse-soft); color: var(--synapse); }
.bl-tag-reagent { background: var(--reagent-soft); color: var(--reagent); }
.bl-tag-assay { background: var(--assay-soft); color: var(--assay); }
.bl-tag-dot { width: 6px; height: 6px; border-radius: var(--radius-full); background: currentColor; }
.bl-tag-live .bl-tag-dot { animation: bl-pulse 1.4s ease-in-out infinite; }

/* ── Input / PromptBar ────────────────────────────── */
.bl-field { display: flex; flex-direction: column; gap: 6px; min-width: 240px; }
.bl-field-label { font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.bl-input { font: inherit; font-size: 15px; height: 44px; padding: 0 var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--line-strong); background: var(--surface-100); color: var(--ink); }
.bl-input::placeholder { color: var(--ink-muted); }
.bl-input:focus { outline: 2px solid transparent; border-color: var(--helix); box-shadow: var(--focus-ring); }
.bl-field-hint { font-size: 13px; line-height: 20px; color: var(--ink-muted); }
.bl-field-error .bl-input { border-color: var(--assay); }
.bl-field-error .bl-field-hint { color: var(--assay); }
.bl-prompt { display: flex; flex-direction: column; gap: var(--space-3); width: 100%; max-width: 760px; }
.bl-prompt-box { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4); border-radius: var(--radius-lg); background: var(--surface-100); transition: box-shadow .2s; }
.bl-prompt-box:focus-within { box-shadow: var(--glow-ai); }
.bl-prompt-caret { font-family: var(--font-mono); color: var(--synapse); font-size: 18px; }
.bl-prompt-input { flex: 1; min-width: 0; font: inherit; font-size: 17px; height: 48px; border: 0; background: transparent; color: var(--ink); }
.bl-prompt-input::placeholder { color: var(--ink-muted); }
.bl-prompt-input:focus { outline: none; }
.bl-prompt-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.bl-chip { font: inherit; font-size: 13px; line-height: 20px; padding: 6px var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--line); background: transparent; color: var(--ink-muted); cursor: pointer; transition: color .15s, border-color .15s; }
.bl-chip:hover { color: var(--synapse); border-color: var(--synapse); }
.bl-chip:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }

/* ── NavBar ───────────────────────────────────────── */
.bl-nav { display: flex; align-items: center; gap: var(--space-8); height: 64px; padding: 0 var(--space-6); background: color-mix(in srgb, var(--surface-000) 78%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.bl-nav-brand { display: flex; align-items: baseline; gap: var(--space-2); text-decoration: none; color: var(--ink); flex: none; }
.bl-nav-brand b { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.bl-nav-brand span { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--ink-muted); }
.bl-nav-links { display: flex; align-items: center; gap: var(--space-1); flex: 1; min-width: 0; }
.bl-nav-link { position: relative; display: inline-flex; align-items: center; gap: var(--space-2); font-size: 15px; color: var(--ink-muted); text-decoration: none; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); white-space: nowrap; }
.bl-nav-link:hover { color: var(--ink); background: var(--surface-200); }
.bl-nav-link.is-active { color: var(--ink); }
.bl-nav-link.is-active::after { content: ""; position: absolute; left: var(--space-3); right: var(--space-3); bottom: -13px; height: 2px; background: linear-gradient(90deg, var(--helix), var(--synapse)); }
.bl-nav-link:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }
/* 菜单项较多：窄屏收紧间距，1150px 以下隐藏外链（www.biolims.ai） */
@media (max-width: 1279px) { .bl-nav { gap: var(--space-4); } .bl-nav-link { padding: var(--space-2); font-size: 14px; } }
@media (max-width: 1149px) { .bl-nav-link[target="_blank"] { display: none; } }
@media (max-width: 999px) { .bl-nav { gap: var(--space-3); } .bl-nav-link { padding: 6px; font-size: 13px; } }

/* ── Logo ─────────────────────────────────────────── */
.bl-logo { display: inline-flex; align-items: center; line-height: 0; }
.bl-logo img { height: 34px; width: auto; display: block; }
.bl-logo-sm img { height: 26px; } .bl-logo-lg img { height: 48px; }
.bl-logo .bl-logo-on-light { display: none; }
[data-theme="light"] .bl-logo .bl-logo-on-light { display: block; }
[data-theme="light"] .bl-logo .bl-logo-on-dark { display: none; }
.bl-nav-brand { align-self: center; }
.bl-nav-brand:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); border-radius: var(--radius-xs); }

/* ── SectionHeader ────────────────────────────────── */
.bl-sh { display: grid; grid-template-columns: 64px 1fr; gap: 0 var(--space-6); max-width: 920px; }
.bl-sh-index { font-family: var(--font-mono); font-size: 12px; line-height: 40px; color: var(--synapse); letter-spacing: .08em; border-top: 1px solid var(--synapse); }
.bl-sh-body { border-top: 1px solid var(--line); }
.bl-sh-eyebrow { display: block; margin-top: var(--space-3); }
.bl-sh-title { margin: var(--space-3) 0 0; font-family: var(--font-display); font-size: 36px; line-height: 44px; font-weight: 600; letter-spacing: -.01em; }
.bl-sh-lead { margin: var(--space-3) 0 0; font-size: 18px; line-height: 30px; color: var(--ink-muted); max-width: 680px; }

/* ── PlusField (canvas background) ────────────────── */
.bl-plusfield { position: absolute; inset: 0; pointer-events: none; display: block; }

/* ── Hero ─────────────────────────────────────────── */
.bl-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 580px); gap: var(--space-12); align-items: center; padding: var(--space-24) var(--space-16); overflow: hidden; min-height: 640px; }
.bl-hero-bg { position: absolute; inset: 0; -webkit-mask-image: radial-gradient(ellipse 80% 90% at 70% 45%, #000 30%, transparent 80%); mask-image: radial-gradient(ellipse 80% 90% at 70% 45%, #000 30%, transparent 80%); }
.bl-hero-glow { position: absolute; width: 720px; height: 720px; right: -120px; top: -80px; pointer-events: none; background: radial-gradient(closest-side, color-mix(in srgb, var(--synapse) 16%, transparent), color-mix(in srgb, var(--helix) 8%, transparent) 55%, transparent); }
.bl-hero > .bl-hero-copy, .bl-hero > .bl-hero-visual { position: relative; }
.bl-hero-eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); }
.bl-hero-kicker { display: block; margin-top: var(--space-6); font-family: var(--font-display); font-size: 144px; line-height: 128px; font-weight: 700; letter-spacing: -.04em; }
.bl-hero-title { margin: var(--space-4) 0 0; font-family: var(--font-display); font-size: 56px; line-height: 68px; font-weight: 700; letter-spacing: -.02em; }
.bl-hero-lead { margin: var(--space-6) 0 0; font-size: 18px; line-height: 30px; color: var(--ink-muted); max-width: 560px; }
.bl-hero-actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ── AgentConsole ─────────────────────────────────── */
.bl-console { border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface-100) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--glow-ai), var(--shadow-panel); width: 100%; max-width: 580px; overflow: hidden; }
.bl-console-head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--line); }
.bl-console-head .bl-label { flex: 1; }
.bl-console-prompt { display: flex; gap: var(--space-3); padding: var(--space-4); font-size: 16px; line-height: 26px; min-height: 52px; border-bottom: 1px dashed var(--line); }
.bl-console-who { flex: none; font-family: var(--font-mono); font-size: 12px; line-height: 26px; color: var(--ink-muted); }
.bl-cursor { display: inline-block; width: 8px; height: 18px; margin-left: 2px; vertical-align: -3px; background: var(--synapse); animation: bl-blink 1s steps(1) infinite; }
.bl-console-body { padding: var(--space-4); min-height: 300px; display: flex; flex-direction: column; gap: var(--space-3); }
.bl-console-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.bl-cstep { display: grid; grid-template-columns: 20px 1fr auto; gap: var(--space-3); align-items: start; animation: bl-in .35s ease-out both; }
.bl-cstep-icon { width: 16px; height: 16px; margin-top: 3px; color: var(--helix); }
.bl-cstep-spin { width: 14px; height: 14px; margin: 4px 1px; border-radius: var(--radius-full); border: 2px solid var(--synapse-soft); border-top-color: var(--synapse); box-sizing: border-box; animation: bl-rot .8s linear infinite; }
.bl-cstep-agent { font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: .06em; color: var(--synapse); }
.bl-cstep-text { font-size: 14px; line-height: 22px; color: var(--ink); }
.bl-cstep-out { font-family: var(--font-mono); font-size: 13px; line-height: 20px; color: var(--helix); }
.bl-cstep-out.is-warn { color: var(--reagent); }
.bl-cstep-time { font-family: var(--font-mono); font-size: 12px; line-height: 20px; color: var(--ink-muted); }
.bl-console-result { margin-top: auto; padding: var(--space-4); border-radius: var(--radius-md); background: var(--surface-200); display: flex; flex-direction: column; gap: var(--space-3); animation: bl-in .4s ease-out both; }
.bl-console-result b { font-size: 16px; line-height: 24px; font-weight: 600; }
.bl-console-result p { margin: 0; font-family: var(--font-mono); font-size: 13px; line-height: 20px; color: var(--ink-muted); }

/* ── AgentCard + visuals ──────────────────────────── */
.bl-agent { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-100); overflow: hidden; transition: border-color .2s; }
.bl-agent:hover { border-color: color-mix(in srgb, var(--synapse) 60%, var(--line)); }
.bl-agent-vis { position: relative; height: 180px; border-bottom: 1px solid var(--line); background: var(--surface-000); overflow: hidden; }
.bl-agent-body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.bl-agent-code { display: flex; justify-content: space-between; align-items: center; }
.bl-agent-name { margin: var(--space-2) 0 0; font-family: var(--font-display); font-size: 20px; line-height: 28px; font-weight: 600; }
.bl-agent-title { font-size: 15px; line-height: 22px; font-weight: 500; }
.bl-agent-desc { margin: 0; font-size: 14px; line-height: 22px; color: var(--ink-muted); }
.bl-agent-caps { list-style: none; margin: var(--space-2) 0 0; padding: var(--space-3) 0 0; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: 6px; font-size: 14px; line-height: 20px; }
.bl-agent-caps li { display: flex; gap: var(--space-2); }
.bl-agent-caps li::before { content: "+"; font-family: var(--font-mono); color: var(--synapse); }

.bl-doc { position: absolute; left: 24px; top: 24px; bottom: 0; width: 120px; background: var(--surface-200); border-radius: var(--radius-xs) var(--radius-xs) 0 0; padding: 14px 12px; box-sizing: border-box; display: flex; flex-direction: column; gap: 9px; }
.bl-doc i { display: block; height: 4px; border-radius: var(--radius-xs); background: var(--line-strong); opacity: .6; }
.bl-doc i.is-hand { height: 6px; background: none; border-bottom: 1.5px solid var(--line-strong); border-radius: 0; transform: skewX(-12deg); opacity: .9; }
.bl-doc-scan { position: absolute; left: 16px; width: 136px; height: 2px; top: 24px; background: var(--synapse); box-shadow: 0 0 16px 2px var(--synapse); animation: bl-scan 3.2s ease-in-out infinite; }
@keyframes bl-scan { 0% { transform: translateY(0) } 60% { transform: translateY(150px) } 100% { transform: translateY(0) } }
.bl-doc-fields { position: absolute; left: 168px; right: 16px; top: 24px; display: flex; flex-direction: column; gap: 8px; }
.bl-doc-field { display: flex; justify-content: space-between; gap: var(--space-2); font-family: var(--font-mono); font-size: 11px; line-height: 16px; padding: 4px 8px; border-radius: var(--radius-xs); background: var(--synapse-soft); color: var(--synapse); opacity: 0; animation: bl-field 3.2s ease-out infinite; }
.bl-doc-field span { color: var(--ink-muted); }
@keyframes bl-field { 0% { opacity: 0; transform: translateX(-6px) } 15%, 85% { opacity: 1; transform: none } 100% { opacity: 0 } }
.bl-trace { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.bl-comp { position: absolute; inset: 0; padding: 20px 24px; display: flex; flex-direction: column; gap: 8px; }
.bl-comp-row { display: grid; grid-template-columns: 16px 1fr auto; gap: 10px; align-items: center; font-family: var(--font-mono); font-size: 12px; line-height: 20px; color: var(--ink-muted); }
.bl-comp-row b { font-weight: 500; color: var(--ink); }
.bl-comp-row .bl-cstep-icon { margin: 0; }
.bl-comp-row.is-warn .bl-comp-state { color: var(--reagent); }
.bl-comp-row.is-ok .bl-comp-state { color: var(--helix); }
.bl-comp-row.is-run .bl-comp-state { color: var(--synapse); }
.bl-comp-dot { width: 10px; height: 10px; margin: 0 3px; border-radius: var(--radius-full); border: 1.5px solid var(--line-strong); box-sizing: border-box; }

/* ── AgentStack (architecture) ────────────────────── */
.bl-stack3 { display: flex; flex-direction: column; }
.bl-layer { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-6); align-items: center; padding: var(--space-6); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-100); }
.bl-layer.is-ai { box-shadow: var(--glow-ai); border-color: transparent; }
.bl-layer.is-human { border-style: dashed; border-color: var(--line-strong); }
.bl-layer-name { font-family: var(--font-display); font-size: 18px; line-height: 24px; font-weight: 600; }
.bl-layer-sub { margin-top: 2px; }
.bl-layer-items { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.bl-node { font-family: var(--font-mono); font-size: 13px; line-height: 20px; padding: 6px var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface-000); color: var(--ink); }
.bl-layer.is-ai .bl-node { border-color: color-mix(in srgb, var(--synapse) 45%, transparent); color: var(--synapse); background: var(--synapse-soft); }
.bl-layer.is-human .bl-node { color: var(--helix); border-color: color-mix(in srgb, var(--helix) 40%, transparent); }
.bl-conn { position: relative; height: 48px; display: flex; justify-content: space-around; padding: 0 20%; }
.bl-conn span { position: relative; width: 1px; height: 100%; background: var(--line-strong); overflow: hidden; }
.bl-conn span::after { content: ""; position: absolute; left: -2px; width: 5px; height: 12px; border-radius: var(--radius-full); background: var(--synapse); box-shadow: 0 0 8px var(--synapse); animation: bl-flowdown 1.8s linear infinite; }
.bl-conn.is-up span::after { background: var(--helix); box-shadow: 0 0 8px var(--helix); animation-name: bl-flowup; }
.bl-conn span:nth-child(2)::after { animation-delay: .4s } .bl-conn span:nth-child(3)::after { animation-delay: .9s } .bl-conn span:nth-child(4)::after { animation-delay: 1.3s }
@keyframes bl-flowdown { from { top: -12px } to { top: 100% } }
@keyframes bl-flowup { from { top: 100% } to { top: -12px } }

/* ── UseCaseList ──────────────────────────────────── */
.bl-uses { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.bl-use { display: grid; grid-template-columns: 64px minmax(0, 1.1fr) minmax(0, 1.4fr) auto; gap: var(--space-6); align-items: center; padding: var(--space-6) var(--space-4); border-top: 1px solid var(--line); border-radius: var(--radius-xs); transition: background .2s; }
.bl-use:hover { background: var(--surface-100); }
.bl-use-i { font-family: var(--font-mono); font-size: 12px; color: var(--synapse); letter-spacing: .08em; }
.bl-use-title { font-family: var(--font-display); font-size: 20px; line-height: 28px; font-weight: 600; }
.bl-use-desc { font-size: 15px; line-height: 24px; color: var(--ink-muted); }
.bl-use-agents { display: flex; gap: var(--space-2); justify-content: flex-end; flex-wrap: wrap; }

/* ── Quote ────────────────────────────────────────── */
.bl-quote { margin: 0; padding: var(--space-12) 0; display: grid; grid-template-columns: 64px 1fr; gap: var(--space-6); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.bl-quote-mark { font-family: var(--font-display); font-size: 64px; line-height: 64px; font-weight: 700; }
.bl-quote blockquote { margin: 0; font-family: var(--font-display); font-size: 56px; line-height: 68px; font-weight: 700; letter-spacing: -.02em; }
.bl-quote figcaption { margin-top: var(--space-6); }
.bl-quote-note { margin: var(--space-3) 0 0; font-size: 18px; line-height: 30px; color: var(--ink-muted); max-width: 640px; }

/* ── PlateMap ─────────────────────────────────────── */
.bl-plate { display: inline-flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4) var(--space-6) var(--space-6); background: var(--surface-100); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-panel); position: relative; margin: 0; }
.bl-plate-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-6); }
.bl-plate-title { font-family: var(--font-mono); font-size: 14px; line-height: 20px; font-weight: 500; color: var(--ink); }
.bl-plate-grid { display: grid; gap: 6px; align-items: center; justify-items: center; }
.bl-plate-axis { font-family: var(--font-mono); font-size: 10px; line-height: 12px; color: var(--ink-muted); }
.bl-well { width: 18px; height: 18px; border-radius: var(--radius-full); border: 1px solid var(--line-strong); box-sizing: border-box; }
.bl-well-done { background: var(--helix); border-color: var(--helix); }
.bl-well-active { background: var(--reagent); border-color: var(--reagent); animation: bl-pulse 1.6s ease-in-out infinite; }
.bl-well-flag { background: var(--assay); border-color: var(--assay); box-shadow: 0 0 0 3px var(--assay-soft); }
.bl-plate-legend { display: flex; flex-wrap: wrap; gap: var(--space-4); font-family: var(--font-mono); font-size: 12px; line-height: 16px; color: var(--ink-muted); }
.bl-plate-legend i { display: inline-block; width: 10px; height: 10px; border-radius: var(--radius-full); margin-right: 6px; vertical-align: -1px; border: 1px solid var(--line-strong); box-sizing: border-box; }

/* ── SampleFlow ───────────────────────────────────── */
.bl-flow { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; list-style: none; margin: 0; padding: 0; }
.bl-step { position: relative; padding: var(--space-6) var(--space-4) 0 0; }
.bl-step::before { content: ""; position: absolute; top: 5px; left: 12px; right: 0; height: 2px; background: var(--line); }
.bl-step-done::before { background: var(--helix); }
.bl-step:last-child::before { display: none; }
.bl-step-dot { position: absolute; top: 0; left: 0; width: 12px; height: 12px; border-radius: var(--radius-full); border: 2px solid var(--line-strong); box-sizing: border-box; background: var(--surface-000); }
.bl-step-done .bl-step-dot { background: var(--helix); border-color: var(--helix); }
.bl-step-active .bl-step-dot { background: var(--reagent); border-color: var(--reagent); animation: bl-pulse 1.6s ease-in-out infinite; }
.bl-step-code { font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: .08em; color: var(--ink-muted); }
.bl-step-label { margin-top: var(--space-1); font-size: 16px; line-height: 24px; font-weight: 500; }
.bl-step-pending .bl-step-label { color: var(--ink-muted); }
.bl-step-meta { font-family: var(--font-mono); font-size: 12px; line-height: 16px; margin-top: 2px; }
.bl-step-done .bl-step-meta { color: var(--helix); }
.bl-step-active .bl-step-meta { color: var(--reagent); }
.bl-step-pending .bl-step-meta { color: var(--ink-muted); }
.bl-step-ai { margin-top: var(--space-2); }

/* ── MetricStrip ──────────────────────────────────── */
.bl-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0; }
.bl-metric { padding: var(--space-6) var(--space-6) var(--space-6) 0; }
.bl-metric + .bl-metric { padding-left: var(--space-6); border-left: 1px solid var(--line); }
.bl-metric-value { margin: 0; font-family: var(--font-display); font-size: 44px; line-height: 56px; font-weight: 600; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.bl-metric-unit { font-size: 22px; color: var(--lumen); margin-left: 4px; letter-spacing: 0; }
.bl-metric-label { margin-top: var(--space-1); font-size: 14px; line-height: 22px; color: var(--ink-muted); }

/* ── ProductCard ──────────────────────────────────── */
.bl-card { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-6); background: var(--surface-100); border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink); text-decoration: none; transition: border-color .2s; }
a.bl-card:hover { border-color: color-mix(in srgb, var(--synapse) 60%, var(--line)); }
a.bl-card:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }
.bl-card-code { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); }
.bl-card-title { margin: var(--space-2) 0 0; font-family: var(--font-display); font-size: 20px; line-height: 28px; font-weight: 600; }
.bl-card-desc { margin: 0; font-size: 15px; line-height: 24px; color: var(--ink-muted); }
.bl-card-list { list-style: none; margin: var(--space-2) 0 0; padding: var(--space-3) 0 0; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: var(--space-2); font-size: 14px; line-height: 20px; }
.bl-card-list li { display: flex; gap: var(--space-2); }
.bl-card-list li::before { content: "+"; font-family: var(--font-mono); color: var(--helix); }
.bl-card-list li.is-ai::before { color: var(--synapse); }
.bl-card-list li.is-ai { color: var(--synapse); }
.bl-card-more { margin-top: auto; padding-top: var(--space-3); font-size: 14px; font-weight: 500; color: var(--helix); display: inline-flex; align-items: center; gap: var(--space-1); }
.bl-card-more svg { width: 14px; height: 14px; }

/* ── CaseCard ─────────────────────────────────────── */
.bl-case { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3) var(--space-6); padding: var(--space-6) 0; border-top: 1px solid var(--line); }
.bl-case-client { font-family: var(--font-display); font-size: 20px; line-height: 28px; font-weight: 600; }
.bl-case-sector { margin-top: 2px; }
.bl-case-summary { grid-column: 1 / -1; margin: 0; font-size: 15px; line-height: 24px; color: var(--ink-muted); max-width: 720px; }
.bl-case-dur { text-align: right; }
.bl-case-dur b { display: block; font-family: var(--font-display); font-size: 28px; line-height: 40px; font-weight: 600; color: var(--helix); }

@media (max-width: 900px) {
  .bl-hero { grid-template-columns: 1fr; padding: var(--space-16) var(--space-4); }
  .bl-hero-kicker { font-size: 96px; line-height: 88px; }
  .bl-hero-title { font-size: 36px; line-height: 46px; }
  .bl-flow { grid-auto-flow: row; }
  .bl-nav-links { display: none; }
  .bl-sh, .bl-quote { grid-template-columns: 1fr; }
  .bl-quote blockquote { font-size: 36px; line-height: 46px; }
  .bl-layer { grid-template-columns: 1fr; }
  .bl-use { grid-template-columns: 40px 1fr; }
  .bl-use-desc, .bl-use-agents { grid-column: 2; justify-content: flex-start; }
}

/* site */
html { overflow-x: hidden; scroll-behavior: smooth; }
.site-sticky { position: sticky; top: 0; z-index: 20; }
.site-wrap { max-width: 1280px; margin: 0 auto; }
[id] { scroll-margin-top: 88px; }
.site-foot { margin-top: var(--space-24); border-top: 1px solid var(--line); }
.site-fgrid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-8); padding: var(--space-12) var(--space-16); }
.site-fbrand p { margin: var(--space-3) 0 0; font-size: 14px; line-height: 22px; color: var(--ink-muted); max-width: 320px; }
.site-fcol { display: flex; flex-direction: column; gap: var(--space-2); font-size: 14px; }
.site-fcol .bl-label { margin-bottom: var(--space-2); }
.site-fcol a { color: var(--ink-muted); text-decoration: none; }
.site-fcol a:hover { color: var(--helix); }
.site-fbar { display: flex; justify-content: space-between; padding: var(--space-6) var(--space-16); border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-muted); }
.site-fbar a { color: inherit; text-decoration: none; }
.site-fbar a:hover { color: var(--ink); text-decoration: underline; }
@media (max-width: 900px) {
  .site-fgrid { grid-template-columns: 1fr 1fr; padding: var(--space-8) var(--space-4); }
  .site-fbrand { grid-column: 1 / -1; }
  .site-fbar { flex-direction: column; gap: var(--space-2); padding: var(--space-6) var(--space-4); }
  .bl-nav { gap: var(--space-3); padding: 0 var(--space-4); }
  .bl-nav .bl-btn-ai { display: none; }
}

/* shared sub-page hero + CTA */
.sh-hero { position: relative; overflow: hidden; padding: var(--space-24) var(--space-16) var(--space-16); border-bottom: 1px solid var(--line); }
.sh-hero-bg { position: absolute; inset: 0; -webkit-mask-image: radial-gradient(ellipse 70% 100% at 80% 20%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse 70% 100% at 80% 20%, #000 20%, transparent 75%); }
.sh-hero > :not(.sh-hero-bg) { position: relative; }
.sh-hero h1 { margin: var(--space-4) 0 0; font-family: var(--font-display); font-size: 56px; line-height: 68px; font-weight: 700; letter-spacing: -.02em; max-width: 900px; }
.sh-hero > p { margin: var(--space-6) 0 0; font-size: 18px; line-height: 30px; color: var(--ink-muted); max-width: 760px; }
.sh-sec { padding: var(--space-24) var(--space-16) 0; }
.sh-in { margin-top: var(--space-12); }
.sh-cta { position: relative; overflow: hidden; margin: var(--space-24) var(--space-16) 0; padding: var(--space-12); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface-100); display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-8); flex-wrap: wrap; }
.sh-cta > :not(canvas) { position: relative; }
.sh-cta h2 { margin: var(--space-3) 0 0; font-family: var(--font-display); font-size: 36px; line-height: 46px; font-weight: 700; max-width: 640px; }
.sh-cta p { margin: var(--space-3) 0 0; font-size: 16px; line-height: 26px; color: var(--ink-muted); }
@media (max-width: 900px) {
  .sh-hero { padding: var(--space-16) var(--space-4) var(--space-8); }
  .sh-hero h1 { font-size: 34px; line-height: 44px; }
  .sh-sec { padding: var(--space-16) var(--space-4) 0; }
  .sh-cta { margin: var(--space-16) var(--space-4) 0; padding: var(--space-8) var(--space-4); }
  .sh-cta h2 { font-size: 26px; line-height: 36px; }
}

.site-flogo { display: inline-block; }
.site-flogo .bl-logo img { height: 40px; }

/* news cards (shared by homepage and /news) */
.nw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.nw-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-100); overflow: hidden; color: var(--ink); text-decoration: none; transition: border-color .2s; }
.nw-card:hover { border-color: color-mix(in srgb, var(--synapse) 60%, var(--line)); }
.nw-card:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }
.nw-cover { aspect-ratio: 16 / 9; background: var(--surface-000); overflow: hidden; border-bottom: 1px solid var(--line); position: relative; }
.nw-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.nw-card:hover .nw-cover img { transform: scale(1.03); }
.nw-cover.is-empty { background-image: radial-gradient(circle at 1px 1px, var(--line-strong) 1px, transparent 1.5px); background-size: 16px 16px; display: flex; align-items: flex-end; padding: var(--space-4); box-sizing: border-box; }
.nw-cover-code { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--synapse); background: var(--surface-100); padding: 2px 8px; border-radius: var(--radius-xs); }
.nw-body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.nw-meta { display: flex; align-items: center; gap: var(--space-3); }
.nw-date { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-muted); }
.nw-title { margin: var(--space-1) 0 0; font-size: 18px; line-height: 28px; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nw-sum { margin: 0; font-size: 14px; line-height: 22px; color: var(--ink-muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 1000px) { .nw-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .nw-grid { grid-template-columns: 1fr; } }