/* DepthSharp — Intelligence Observatory · Decision Research Institute */
:root {
 --bg: #F8FAFC;
 --surface: #FFFFFF;
 --ink: #0F172A;
 --muted: #475569;
 --muted-light: #94A3B8;
 --accent: #0D9488;
 --accent-dark: #0F766E;
 --accent-light: #14B8A6;
 --insight: #6D28D9;
 --risk: #DC2626;
 --opportunity: #059669;
 --card: #FFFFFF;
 --border: #CBD5E1;
 --border-light: #E2E8F0;
 --serif: "Fraunces", Georgia, "Times New Roman", serif;
 --sans: "DM Sans", system-ui, -apple-system, sans-serif;
 --mono: "JetBrains Mono", ui-monospace, monospace;
 --radius: 8px;
 --radius-lg: 12px;
 --radius-xl: 16px;
 --shadow: 0 1px 2px rgba(15,23,42,0.06), 0 4px 12px rgba(15,23,42,0.04);
 --shadow-lg: 0 8px 32px rgba(15,23,42,0.1);
 --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
 font-family: var(--sans); font-size: 0.9375rem; line-height: 1.6;
 color: var(--ink); background: var(--bg);
 -webkit-font-smoothing: antialiased;
 font-feature-settings: "kern" 1;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--ink); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }

.container { width: min(var(--max), 92vw); margin: 0 auto; }

/* Typography */
.kicker, .eyebrow {
 font-family: var(--sans);
 font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.12em; color: var(--accent-dark);
}
.lead { font-size: 1.05rem; color: var(--muted); line-height: 1.65; max-width: 52ch; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; color: var(--ink); letter-spacing: -0.02em; }

/* Buttons */
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 6px;
 padding: 10px 18px; border-radius: var(--radius); font-size: 0.84rem; font-weight: 600;
 transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-sm { padding: 7px 14px; font-size: 0.78rem; }
.btn-lg { padding: 13px 22px; font-size: 0.9rem; }
.btn-full { width: 100%; }
.btn-primary { background: var(--ink); color: #fff; border: 1.5px solid var(--ink); }
.btn-primary:hover { background: #1E293B; color: #fff; }
.btn-secondary { background: var(--accent-dark); color: #fff; border: 1.5px solid var(--accent-dark); }
.btn-secondary:hover { background: var(--accent); color: #fff; }
.btn-accent { background: var(--insight); color: #fff; border: 1.5px solid var(--insight); }
.btn-outline { background: var(--surface); border: 1.5px solid var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); background: var(--surface); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.tag {
 display: inline-block; padding: 3px 9px; border-radius: 999px;
 font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.tag-neutral { background: var(--border-light); color: var(--muted); }
.tag-accent { background: #CCFBF1; color: var(--accent-dark); }
.tag-insight { background: rgba(124,58,237,0.1); color: var(--insight); }
.tag-risk { background: rgba(220,38,38,0.1); color: var(--risk); }
.tag-opportunity { background: rgba(22,163,74,0.1); color: var(--opportunity); }

/* Header */
.observatory-strip {
 background: var(--ink); color: rgba(255,255,255,0.82);
 font-size: 0.75rem; padding: 9px 16px; text-align: center;
 display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 16px;
}
.observatory-strip a { color: #5EEAD4; font-weight: 600; }
.site-header {
 position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96);
 backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
}
.header-row {
 display: flex; align-items: center; justify-content: space-between; gap: 16px;
 padding: 12px clamp(16px, 4vw, 32px); max-width: var(--max); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); flex-shrink: 0; }
.brand:hover { color: var(--ink); }
.logo-mark { width: 34px; height: 34px; flex-shrink: 0; border-radius: 9px; overflow: hidden; }
.logo-mark svg { width: 100%; height: 100%; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 0.92rem; font-weight: 700; }
.brand-text span { font-size: 0.62rem; color: var(--muted); font-weight: 500; }
.nav-main { display: flex; flex-wrap: nowrap; gap: 0 11px; justify-content: center; }
.nav-link { font-size: 0.8125rem; font-weight: 600; color: var(--muted); padding: 4px 0; white-space: nowrap; }
.nav-link:hover, .nav-link--muted:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-toggle { display: none; font-size: 1.2rem; padding: 4px 8px; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.65); margin-top: auto; }
.footer-cta {
 padding: clamp(40px, 6vw, 64px) clamp(20px, 4vw, 32px);
 text-align: center; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-cta h2 {
 font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2rem);
 color: #fff; margin-bottom: 24px; line-height: 1.3;
}
.footer-cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.footer-cta-btn {
 display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
 padding: 14px 22px; border-radius: var(--radius-lg); min-width: 200px; text-align: left;
}
.footer-cta-btn-label { font-weight: 700; font-size: 0.9rem; }
.footer-cta-btn-hint { font-size: 0.72rem; opacity: 0.65; }
.footer-cta-btn--primary { background: var(--accent); color: #fff; }
.footer-cta-btn--primary:hover { background: #0D9488; color: #fff; }
.footer-cta-btn--secondary { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); color: #fff; }
.footer-cta-btn--secondary:hover { background: rgba(255,255,255,0.12); color: #fff; }
.footer-main {
 display: grid; grid-template-columns: 1fr 2fr; gap: 40px;
 padding: 40px clamp(20px, 4vw, 32px); max-width: var(--max); margin: 0 auto;
}
.footer-brand-row .brand-text strong { color: #fff; }
.footer-brand-row .brand-text span { color: rgba(255,255,255,0.45); }
.footer-copy { font-size: 0.82rem; margin-top: 14px; max-width: 36ch; line-height: 1.6; }
.footer-sitemap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.footer-col h4 {
 font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: 10px;
}
.footer-col a { display: block; font-size: 0.78rem; color: rgba(255,255,255,0.65); padding: 3px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
 text-align: center; font-size: 0.72rem; padding: 16px;
 border-top: 1px solid rgba(255,255,255,0.06); color: rgba(255,255,255,0.35);
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s, transform 0.6s; }
.reveal.is-visible, .reveal.visible { opacity: 1; transform: none; }

/* ═══ HOME: Chamber Hero + Decision Dossier ═══ */
.chamber-hero {
 padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 80px);
 background: var(--surface);
 border-bottom: 1px solid var(--border);
}
.chamber-hero-inner {
 max-width: var(--max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px);
}
.chamber-hero-copy { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.chamber-hero-copy h1 {
 font-size: clamp(2.1rem, 4.5vw, 3.25rem); margin: 12px 0 16px;
}
.chamber-lead {
 font-size: 1.0625rem; color: var(--muted); line-height: 1.65; margin: 0 auto;
 max-width: 54ch;
}
.chamber-cta { justify-content: center; margin: 28px 0 24px; }
.chamber-stats {
 display: flex; justify-content: center; gap: 32px; flex-wrap: wrap;
 padding-top: 20px; border-top: 1px solid var(--border-light);
}
.chamber-stat { text-align: center; }
.chamber-stat strong {
 display: block; font-family: var(--mono); font-size: 1.25rem; font-weight: 600; color: var(--ink);
}
.chamber-stat span {
 font-size: 0.6875rem; font-weight: 600; color: var(--muted-light);
 text-transform: uppercase; letter-spacing: 0.06em;
}

/* Decision Dossier — briefing memo, not node map */
.decision-dossier {
 background: var(--surface); border: 1px solid var(--border);
 border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); overflow: hidden;
}
.dossier-header {
 display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 20px;
 padding: 24px 28px; background: var(--ink); color: #fff;
}
.dossier-ref {
 font-family: var(--mono); font-size: 0.6875rem; font-weight: 500;
 color: rgba(255,255,255,0.5); letter-spacing: 0.04em;
}
.dossier-header-main h2 {
 font-size: clamp(1.25rem, 2.5vw, 1.65rem); color: #fff; margin: 8px 0 6px;
}
.dossier-header-main p { font-size: 0.8125rem; color: rgba(255,255,255,0.55); }
.dossier-verdict { text-align: right; }
.dossier-verdict-label {
 display: block; font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.1em; color: rgba(255,255,255,0.45); margin-bottom: 4px;
}
.dossier-verdict-value {
 font-family: var(--sans); font-size: 0.875rem; font-weight: 700;
 padding: 6px 12px; border-radius: var(--radius); display: inline-block;
}
.dossier-verdict-value--warn { background: rgba(245,158,11,0.2); color: #FCD34D; }

.dossier-body {
 display: grid; grid-template-columns: 1fr 300px; min-height: 320px;
}
.dossier-rows { border-right: 1px solid var(--border-light); }
.dossier-row {
 display: grid; grid-template-columns: 36px 1fr auto; gap: 14px; align-items: center;
 width: 100%; padding: 14px 20px; text-align: left;
 border: none; border-bottom: 1px solid var(--border-light);
 background: var(--surface); cursor: pointer; transition: background 0.12s;
}
.dossier-row:hover { background: #F8FAFC; }
.dossier-row.is-active {
 background: #F0FDFA; border-left: 3px solid var(--accent-dark);
 padding-left: 17px;
}
.dossier-row--risk.is-active { border-left-color: var(--risk); background: #FEF2F2; }
.dossier-row-num {
 font-family: var(--mono); font-size: 0.6875rem; font-weight: 600; color: var(--muted-light);
}
.dossier-row-main strong {
 display: block; font-family: var(--sans); font-size: 0.875rem; font-weight: 600; color: var(--ink);
}
.dossier-row-main span { font-size: 0.75rem; color: var(--muted); }
.dossier-row-score {
 font-family: var(--mono); font-size: 0.9375rem; font-weight: 600;
 min-width: 36px; text-align: center; padding: 4px 8px; border-radius: var(--radius);
}
.dossier-row-score--high { background: #ECFDF5; color: var(--opportunity); }
.dossier-row-score--mid { background: #F0FDFA; color: var(--accent-dark); }
.dossier-row-score--low { background: #FEF2F2; color: var(--risk); }

.dossier-detail {
 padding: 24px 22px; background: #F8FAFC;
}
.dossier-detail-label {
 font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.1em; color: var(--muted-light); margin-bottom: 8px;
}
.dossier-detail h3 {
 font-family: var(--sans); font-size: 1rem; font-weight: 700; margin-bottom: 10px;
}
.dossier-detail p { font-size: 0.8125rem; color: var(--muted); line-height: 1.6; margin-bottom: 14px; }
.dossier-detail-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.dossier-foot {
 display: flex; gap: 16px; padding: 14px 20px;
 border-top: 1px solid var(--border-light); background: var(--surface);
}

/* Legacy canvas — keep minimal for subpages if referenced */
.observatory-hero,
.observatory-grid,
.analysis-canvas-wrap,
.canvas-chrome,
.canvas-orbit,
.canvas-layer,
.canvas-detail { display: none; }

/* Depth reveal + breakdown playback */
.breakdown-strip {
 display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: start;
 padding: 28px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-xl); margin-bottom: 0;
}
.breakdown-strip h2 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); margin: 6px 0 10px; }
.breakdown-playback { display: flex; flex-direction: column; gap: 8px; }
.breakdown-step {
 display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: start;
 padding: 10px 12px; border-radius: var(--radius); border: 1px solid transparent;
 opacity: 0.45; transition: opacity 0.3s, border-color 0.3s, background 0.3s;
}
.breakdown-step.is-active { opacity: 1; background: var(--bg); border-color: var(--border-light); }
.breakdown-step span:first-child {
 font-family: var(--mono); font-size: 0.68rem; font-weight: 700; color: var(--accent);
 padding-top: 2px;
}
.breakdown-step strong { display: block; font-size: 0.82rem; margin-bottom: 2px; }
.breakdown-step p { font-size: 0.74rem; color: var(--muted); }

.depth-section { padding: clamp(56px, 8vw, 96px) 0; }
.depth-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.depth-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 8px 0 12px; }
.depth-layers { display: flex; flex-direction: column; gap: 0; max-width: 800px; margin: 0 auto; }
.depth-layer {
 display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 28px 0;
 border-bottom: 1px solid var(--border-light); opacity: 0.4; transform: translateX(-12px);
 transition: opacity 0.5s, transform 0.5s;
}
.depth-layer.is-revealed { opacity: 1; transform: none; }
.depth-layer-num {
 font-family: var(--mono); font-size: 0.72rem; font-weight: 600; color: var(--muted-light);
 padding-top: 4px;
}
.depth-layer h3 { font-size: 1.1rem; margin-bottom: 6px; }
.depth-layer p { font-size: 0.88rem; color: var(--muted); }
.depth-layer--surface h3 { color: var(--muted); }
.depth-layer--deep h3 { color: var(--insight); }
.depth-layer-tag {
 display: inline-block; margin-top: 8px; font-size: 0.68rem; font-weight: 700;
 padding: 3px 8px; border-radius: 999px;
}
.depth-layer--surface .depth-layer-tag { background: var(--border-light); color: var(--muted); }
.depth-layer--deep .depth-layer-tag { background: rgba(124,58,237,0.1); color: var(--insight); }

/* Problem narrative */
.problem-chamber {
 padding: clamp(48px, 6vw, 72px) 0; background: #0F172A; color: rgba(255,255,255,0.88);
}
.problem-chamber-grid {
 display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.problem-chamber h2 {
 font-size: clamp(1.5rem, 3vw, 2rem); color: #fff; margin: 8px 0 16px;
}
.problem-chamber .lead { color: rgba(255,255,255,0.55); }
.problem-scenario {
 background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
 border-radius: var(--radius-xl); padding: 24px;
}
.problem-scenario-steps { display: flex; flex-direction: column; gap: 0; }
.problem-step {
 display: grid; grid-template-columns: 28px 1fr; gap: 14px; padding: 14px 0;
 border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.84rem;
}
.problem-step:last-child { border-bottom: none; }
.problem-step-num {
 width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,0.08);
 display: flex; align-items: center; justify-content: center;
 font-size: 0.68rem; font-weight: 700; color: rgba(255,255,255,0.5);
}
.problem-step--fail .problem-step-num { background: rgba(220,38,38,0.2); color: #FCA5A5; }
.problem-step strong { color: #fff; display: block; margin-bottom: 2px; }

/* Case study */
.case-dossier {
 padding: clamp(48px, 6vw, 72px) 0; background: var(--bg);
}
.case-dossier-card {
 display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px;
 background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-xl);
 padding: clamp(28px, 4vw, 40px); box-shadow: var(--shadow-lg);
}
.case-dossier-meta { font-size: 0.72rem; color: var(--muted); margin-bottom: 12px; }
.case-dossier h2 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); margin-bottom: 12px; }
.case-findings { display: flex; flex-direction: column; gap: 12px; }
.case-finding {
 padding: 14px 16px; border-radius: var(--radius-lg); border: 1px solid var(--border-light);
 background: var(--bg);
}
.case-finding--risk { border-left: 3px solid var(--risk); }
.case-finding--hidden { border-left: 3px solid var(--insight); }
.case-finding--saved { border-left: 3px solid var(--opportunity); }
.case-finding strong { display: block; font-size: 0.84rem; margin-bottom: 4px; }
.case-finding p { font-size: 0.78rem; color: var(--muted); }

/* Intelligence modules */
.modules-section { padding: clamp(48px, 6vw, 72px) 0; }
.modules-head { margin-bottom: 32px; }
.modules-head h2 { font-size: clamp(1.4rem, 2.8vw, 1.9rem); margin: 6px 0 10px; }
.modules-grid {
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.module-card {
 padding: 22px 20px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); transition: box-shadow 0.15s, border-color 0.15s;
}
.module-card:hover { box-shadow: var(--shadow-lg); border-color: var(--accent); }
.module-card-icon {
 width: 36px; height: 36px; border-radius: var(--radius);
 background: rgba(15,118,110,0.1); color: var(--accent);
 display: flex; align-items: center; justify-content: center;
 font-size: 1rem; margin-bottom: 12px;
}
.module-card h3 { font-family: var(--sans); font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.module-card p { font-size: 0.8rem; color: var(--muted); margin-bottom: 12px; }
.module-card a { font-size: 0.78rem; font-weight: 600; }

/* Intelligence + Solutions home sections */
.intelligence-section, .solutions-section { padding: clamp(40px, 5vw, 56px) 0; }
.solutions-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.solutions-grid {
 display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
.solution-card {
 display: flex; flex-direction: column; gap: 6px; padding: 18px 16px;
 background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
 color: var(--ink); transition: border-color 0.15s, box-shadow 0.15s;
}
.solution-card:hover { border-color: var(--accent); box-shadow: var(--shadow); color: var(--ink); }
.solution-card strong { font-size: 0.82rem; font-weight: 700; line-height: 1.3; }
.solution-card span { font-size: 0.72rem; color: var(--muted); line-height: 1.4; }

/* Upload zone */
.upload-zone {
 margin-bottom: 24px; padding: 24px; background: var(--bg);
 border: 2px dashed var(--border); border-radius: var(--radius-xl);
}
.upload-zone.is-dragover { border-color: var(--accent); background: rgba(15,118,110,0.04); }
.upload-zone-inner { text-align: center; padding: 12px 0; }
.upload-zone-icon {
 width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
 background: rgba(15,118,110,0.1); color: var(--accent);
 display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.upload-zone-inner strong { display: block; font-size: 0.92rem; margin-bottom: 6px; }
.upload-zone-inner p { font-size: 0.8rem; color: var(--muted); margin-bottom: 14px; }
.upload-zone-meta {
 display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
 margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-light);
 font-size: 0.72rem; color: var(--muted-light);
}

/* Chamber banner */
.chamber-banner {
 padding: 18px 20px; margin-bottom: 20px; background: var(--ink); color: rgba(255,255,255,0.75);
 border-radius: var(--radius-lg);
}
.chamber-banner-label {
 display: block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.08em; color: var(--accent-light); margin-bottom: 6px;
}
.chamber-banner p { font-size: 0.84rem; margin: 0; }

/* Scenario controls */
.scenario-controls {
 padding: 20px; background: var(--bg); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
}
.scenario-control { margin-bottom: 16px; }
.scenario-control:last-child { margin-bottom: 0; }
.scenario-control label { display: block; font-size: 0.78rem; font-weight: 600; margin-bottom: 8px; }
.scenario-control input[type="range"] { width: 100%; accent-color: var(--accent); }
.scenario-control-labels {
 display: flex; justify-content: space-between; font-size: 0.68rem; color: var(--muted-light); margin-top: 4px;
}
.scenario-control-labels span:nth-child(2) { font-family: var(--mono); font-weight: 600; color: var(--insight); }

/* Risk cascade */
.risk-cascade-note { margin-bottom: 20px; }
.risk-cascade-chain {
 display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
 padding: 14px 16px; background: var(--bg); border-radius: var(--radius-lg);
 border: 1px solid var(--border-light); font-size: 0.78rem;
}
.risk-cascade-chain i { color: var(--muted-light); font-style: normal; }

/* Assumption header */
.assumption-header {
 display: grid; grid-template-columns: 1fr 120px 100px 80px; gap: 16px;
 padding: 8px 16px; font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.06em; color: var(--muted-light);
}

/* Weak links */
.weak-links-panel {
 margin-top: 24px; padding: 20px; background: var(--card);
 border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.weak-link-item {
 display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start;
 padding: 12px 0; border-bottom: 1px solid var(--border-light);
}
.weak-link-item:last-child { border-bottom: none; }

/* Executive briefs list */
.briefs-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
.briefs-list { display: flex; flex-direction: column; gap: 8px; }
.brief-list-item {
 display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
 padding: 14px 16px; text-align: left; background: var(--card);
 border: 1px solid var(--border); border-radius: var(--radius-lg); width: 100%;
 transition: border-color 0.15s;
}
.brief-list-item:hover, .brief-list-item--active { border-color: var(--insight); }
.brief-list-item strong { font-size: 0.84rem; color: var(--ink); }
.brief-list-item span { font-size: 0.72rem; color: var(--muted); }
.brief-list-item em { font-size: 0.72rem; font-style: normal; color: var(--accent); }

/* Executive role cards */
.exec-roles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 8px; }
.exec-role-card {
 padding: 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.exec-role-badge {
 display: inline-block; font-size: 0.64rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.06em; padding: 3px 8px; border-radius: 999px;
 background: var(--ink); color: #fff; margin-bottom: 10px;
}
.exec-role-card h4 { font-family: var(--sans); font-size: 0.86rem; font-weight: 700; margin-bottom: 6px; }
.exec-role-card p { font-size: 0.78rem; color: var(--muted); }

/* Integration connect buttons */
.connect-btn-grid {
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px;
}
.connect-btn {
 display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
 padding: 12px 14px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); text-align: left; transition: border-color 0.15s;
}
.connect-btn:hover { border-color: var(--accent); }
.connect-btn-label { font-weight: 700; font-size: 0.82rem; color: var(--ink); }
.connect-btn-hint { font-size: 0.68rem; color: var(--muted); }

/* Testimonials */
.brief-section {
 padding: clamp(48px, 6vw, 72px) 0; background: var(--card);
 border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light);
}
.brief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.brief-card {
 padding: 24px; background: var(--bg); border-radius: var(--radius-lg);
 border: 1px solid var(--border-light);
}
.brief-card blockquote {
 font-family: var(--serif); font-size: 0.95rem; font-style: italic;
 line-height: 1.55; margin-bottom: 16px; color: var(--ink);
}
.brief-card cite { font-size: 0.76rem; font-style: normal; color: var(--muted); }
.brief-card cite strong { display: block; color: var(--ink); font-weight: 700; }

/* Platform registry */
.registry-section { padding: clamp(48px, 6vw, 72px) 0; }
.registry-panel {
 display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
 background: var(--ink); color: #fff; border-radius: var(--radius-xl);
 padding: clamp(32px, 5vw, 48px); overflow: hidden;
}
.registry-panel h2 { color: #fff; font-size: clamp(1.3rem, 2.5vw, 1.7rem); margin: 8px 0 12px; }
.registry-panel .lead { color: rgba(255,255,255,0.55); }
.registry-checklist { display: flex; flex-direction: column; gap: 10px; }
.registry-checklist li {
 display: flex; align-items: center; gap: 10px; font-size: 0.84rem;
 color: rgba(255,255,255,0.75);
}
.registry-checklist li::before {
 content: "✓"; width: 22px; height: 22px; border-radius: 50%;
 background: rgba(15,118,110,0.3); color: var(--accent-light);
 display: flex; align-items: center; justify-content: center; font-size: 0.68rem; flex-shrink: 0;
}

/* ═══ Subpages ═══ */
.page-hero {
 padding: clamp(40px, 5vw, 64px) 0 clamp(32px, 4vw, 48px);
 background: var(--surface);
 border-bottom: 1px solid var(--border);
}
.page-title { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin: 8px 0 12px; }
.page-body { padding: clamp(32px, 4vw, 48px) 0 clamp(48px, 6vw, 72px); }
.page-section { margin-bottom: 32px; }

.signup-strip {
 display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
 padding: 20px 24px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); margin-top: 32px;
}
.signup-strip span { font-size: 0.86rem; color: var(--muted); }
.signup-strip strong { color: var(--ink); }

/* Frame / board */
.frame-head {
 display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
 padding: 12px 18px; background: #FAFAF9; border-bottom: 1px solid var(--border-light);
 font-size: 0.76rem; font-weight: 600; color: var(--muted);
}
.board-frame, .analysis-frame {
 background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
 overflow: hidden; box-shadow: var(--shadow);
}
.frame-body { padding: 20px; }

/* Circular analysis layout */
.circular-analysis {
 display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start;
}
.orbit-workspace {
 position: relative; min-height: 420px; background: var(--bg);
 border-radius: var(--radius-lg); border: 1px solid var(--border-light);
}
.orbit-center {
 position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
 width: 120px; padding: 14px; background: var(--ink); color: #fff;
 border-radius: 50%; text-align: center; z-index: 2;
}
.orbit-center strong { display: block; font-size: 0.72rem; font-weight: 700; }
.orbit-node {
 position: absolute; padding: 10px 12px; background: var(--card);
 border: 1px solid var(--border); border-radius: var(--radius);
 font-size: 0.72rem; max-width: 120px;
}
.orbit-node strong { display: block; font-weight: 700; font-size: 0.74rem; }
.orbit-node span { color: var(--muted); font-size: 0.64rem; }
.analysis-sidebar { display: flex; flex-direction: column; gap: 12px; }
.analysis-sidebar-card {
 padding: 16px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg);
}
.analysis-sidebar-card h4 { font-family: var(--sans); font-size: 0.82rem; font-weight: 700; margin-bottom: 8px; }
.analysis-sidebar-card p { font-size: 0.78rem; color: var(--muted); }

/* Decision reviews */
.review-queue { display: flex; flex-direction: column; gap: 14px; }
.review-item {
 display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start;
 padding: 20px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg);
}
.review-item h4 { font-family: var(--sans); font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.review-metrics-grid {
 display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px;
}
.review-metric-cell {
 padding: 10px; background: var(--bg); border-radius: var(--radius); text-align: center;
}
.review-metric-cell em {
 display: block; font-size: 0.62rem; font-style: normal; text-transform: uppercase;
 letter-spacing: 0.04em; color: var(--muted-light); margin-bottom: 4px;
}
.review-metric-cell strong { font-family: var(--mono); font-size: 0.88rem; }

/* Scenario models */
.scenario-trio {
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.scenario-card {
 padding: 22px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); border-top: 4px solid var(--border);
}
.scenario-card--best { border-top-color: var(--opportunity); }
.scenario-card--expected { border-top-color: var(--accent); }
.scenario-card--worst { border-top-color: var(--risk); }
.scenario-card h3 { font-family: var(--sans); font-size: 0.92rem; font-weight: 700; margin-bottom: 8px; }
.scenario-metric { margin: 12px 0; }
.scenario-metric strong {
 display: block; font-family: var(--mono); font-size: 1.4rem;
}
.scenario-metric span { font-size: 0.72rem; color: var(--muted); }
.scenario-vars { font-size: 0.78rem; color: var(--muted); margin-top: 12px; }
.scenario-vars li { padding: 4px 0; border-bottom: 1px solid var(--border-light); }
.scenario-vars li:last-child { border-bottom: none; }

/* Risk network */
.risk-network {
 position: relative; min-height: 400px; background: var(--bg);
 border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px;
}
.risk-node {
 position: absolute; padding: 10px 14px; background: var(--card);
 border: 1.5px solid var(--border); border-radius: var(--radius);
 font-size: 0.74rem; max-width: 140px;
}
.risk-node--core { background: var(--ink); color: #fff; border-color: var(--ink); }
.risk-node--high { border-left: 3px solid var(--risk); }
.risk-node strong { display: block; font-weight: 700; }
.risk-node span { font-size: 0.64rem; color: var(--muted); }
.risk-node--core span { color: rgba(255,255,255,0.5); }

/* Assumption mapping */
.assumption-grid { display: flex; flex-direction: column; gap: 10px; }
.assumption-row {
 display: grid; grid-template-columns: 1fr 120px 100px 80px; gap: 16px; align-items: center;
 padding: 14px 16px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); font-size: 0.82rem;
}
.assumption-row strong { font-weight: 600; }
.assumption-cred {
 font-family: var(--mono); font-size: 0.82rem; font-weight: 600;
}
.cred-high { color: var(--opportunity); }
.cred-med { color: var(--accent); }
.cred-low { color: var(--risk); }

/* Dependency */
.dependency-map {
 display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.dep-pillar {
 padding: 18px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg); text-align: center;
}
.dep-pillar h4 { font-family: var(--sans); font-size: 0.82rem; font-weight: 700; margin-bottom: 8px; }
.dep-pillar ul { font-size: 0.76rem; color: var(--muted); text-align: left; }
.dep-pillar li { padding: 4px 0; border-bottom: 1px solid var(--border-light); }
.dep-status {
 display: inline-block; margin-top: 10px; font-size: 0.64rem; font-weight: 700;
 padding: 3px 8px; border-radius: 999px;
}
.dep-status--weak { background: rgba(220,38,38,0.1); color: var(--risk); }
.dep-status--ok { background: rgba(22,163,74,0.1); color: var(--opportunity); }
.dep-status--warn { background: rgba(245,158,11,0.12); color: #D97706; }

/* Opportunity signals */
.signal-feed { display: flex; flex-direction: column; gap: 12px; }
.signal-item {
 display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center;
 padding: 16px 18px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-lg);
}
.signal-score {
 width: 48px; height: 48px; border-radius: 50%; background: rgba(22,163,74,0.1);
 color: var(--opportunity); font-family: var(--mono); font-weight: 700;
 display: flex; align-items: center; justify-content: center; font-size: 0.88rem;
}
.signal-item h4 { font-family: var(--sans); font-size: 0.88rem; font-weight: 700; }
.signal-item p { font-size: 0.78rem; color: var(--muted); }

/* Executive brief */
.brief-document {
 background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
 padding: 32px; max-width: 720px;
}
.brief-document h2 { font-size: 1.4rem; margin-bottom: 8px; }
.brief-document h3 { font-family: var(--sans); font-size: 0.92rem; font-weight: 700; margin: 20px 0 8px; }
.brief-document p { font-size: 0.88rem; color: var(--muted); margin-bottom: 12px; }
.brief-highlights {
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0;
}
.brief-highlight {
 padding: 14px; background: var(--bg); border-radius: var(--radius); text-align: center;
}
.brief-highlight strong { display: block; font-family: var(--mono); font-size: 1.2rem; color: var(--insight); }
.brief-highlight span { font-size: 0.68rem; color: var(--muted); text-transform: uppercase; }

/* Use case dossier */
.dossier-card {
 padding: 28px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-xl); margin-bottom: 20px;
}
.scenario-workflow { display: flex; flex-direction: column; gap: 0; margin: 20px 0; }
.scenario-step {
 display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 14px 0;
 border-bottom: 1px solid var(--border-light);
}
.scenario-step-num {
 width: 36px; height: 36px; border-radius: 50%; background: rgba(15,118,110,0.1);
 color: var(--accent); font-weight: 700; font-size: 0.78rem;
 display: flex; align-items: center; justify-content: center;
}
.scenario-step strong { display: block; font-size: 0.86rem; margin-bottom: 2px; }
.scenario-step p { font-size: 0.8rem; color: var(--muted); }
.value-list { margin: 16px 0; }
.value-list li { padding: 6px 0; font-size: 0.84rem; color: var(--muted); border-bottom: 1px solid var(--border-light); }

/* Integration pipeline */
.integration-pipeline {
 display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center;
 padding: 28px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-xl);
}
.integration-col { display: flex; flex-direction: column; gap: 8px; }
.integration-source, .integration-output {
 padding: 10px 14px; background: var(--bg); border: 1px solid var(--border-light);
 border-radius: var(--radius); font-size: 0.82rem; font-weight: 600;
}
.integration-engine {
 padding: 20px 24px; background: var(--ink); color: #fff; border-radius: var(--radius-lg);
 text-align: center; font-weight: 700; font-size: 0.9rem; min-width: 180px;
}
.integration-engine span {
 display: block; font-size: 0.68rem; font-weight: 400; color: rgba(255,255,255,0.5); margin-top: 6px;
}

/* Pricing */
.pricing-cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pricing-card {
 padding: 28px 24px; background: var(--card); border: 1px solid var(--border);
 border-radius: var(--radius-xl);
}
.pricing-card.is-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.pricing-card h3 { font-family: var(--sans); font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.pricing-price { font-family: var(--mono); font-size: 2rem; font-weight: 600; margin: 16px 0; }
.pricing-card ul { margin: 16px 0 20px; }
.pricing-card li {
 font-size: 0.82rem; color: var(--muted); padding: 6px 0;
 border-bottom: 1px solid var(--border-light);
}
.impact-calculator {
 margin-top: 40px; padding: 28px; background: var(--card);
 border: 1px solid var(--border); border-radius: var(--radius-xl);
}
.impact-calculator h3 { font-size: 1.1rem; margin-bottom: 8px; }
.calc-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.calc-result {
 margin-top: 16px; padding: 16px; background: rgba(15,118,110,0.08);
 border-radius: var(--radius-lg); border: 1px solid rgba(15,118,110,0.2);
}
.calc-result strong { font-family: var(--mono); font-size: 1.6rem; color: var(--accent); }

/* Forms */
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 0.78rem; font-weight: 600; margin-bottom: 4px; }
.form-field input {
 width: 100%; padding: 10px 12px; border: 1.5px solid var(--border);
 border-radius: var(--radius); font-size: 0.88rem; background: var(--card);
}
.form-field input:focus { outline: none; border-color: var(--accent); }

/* UI alerts */
.ui-alert {
 padding: 14px 16px; border-radius: var(--radius-lg); font-size: 0.84rem; margin-top: 16px;
}
.ui-alert-ok { background: rgba(22,163,74,0.08); border: 1px solid rgba(22,163,74,0.2); color: var(--ink); }

/* Auth — memo gate layout (not split dark sidebar) */
.auth-page { min-height: 100vh; background: var(--bg); }
.auth-memo-wrap { min-height: 100vh; display: flex; flex-direction: column; }
.auth-memo-bar {
 display: flex; align-items: center; justify-content: space-between;
 padding: 16px clamp(20px, 4vw, 40px); background: var(--surface);
 border-bottom: 1px solid var(--border);
}
.auth-back { font-size: 0.8125rem; font-weight: 600; color: var(--muted); }
.auth-back:hover { color: var(--ink); }
.auth-memo-stage {
 flex: 1; display: grid; grid-template-columns: 240px minmax(320px, 400px) 240px;
 gap: 24px; align-items: start; justify-content: center;
 padding: clamp(32px, 5vw, 56px) clamp(16px, 4vw, 32px);
 max-width: 1100px; margin: 0 auto; width: 100%;
}
.auth-memo-card {
 background: var(--surface); border: 1px solid var(--border);
 border-radius: var(--radius-xl); padding: 32px 28px; box-shadow: var(--shadow-lg);
}
.auth-memo-card h1 { font-size: 1.65rem; margin: 8px 0 10px; }
.auth-memo-lead { font-size: 0.875rem; color: var(--muted); margin-bottom: 24px; line-height: 1.55; }
.auth-memo-form { margin-bottom: 16px; }
.auth-memo-divider {
 display: flex; align-items: center; gap: 12px; margin: 20px 0;
 font-size: 0.75rem; color: var(--muted-light); text-transform: uppercase; letter-spacing: 0.06em;
}
.auth-memo-divider::before, .auth-memo-divider::after {
 content: ""; flex: 1; height: 1px; background: var(--border-light);
}
.auth-memo-note { text-align: center; font-size: 0.75rem; color: var(--muted-light); margin-top: 14px; }
.auth-memo-side { padding-top: 8px; }
.auth-side-label {
 font-size: 0.6875rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.1em; color: var(--muted-light); margin-bottom: 14px;
}
.auth-queue li {
 display: flex; justify-content: space-between; align-items: center; gap: 8px;
 padding: 10px 0; border-bottom: 1px solid var(--border-light); font-size: 0.8125rem;
}
.auth-queue li span { font-weight: 600; color: var(--ink); }
.auth-queue li em { font-style: normal; font-size: 0.6875rem; font-weight: 700; color: var(--risk); }
.auth-side-foot { font-size: 0.75rem; color: var(--muted); margin-top: 16px; line-height: 1.5; }
.auth-contrast {
 padding: 14px 16px; margin-bottom: 10px; border-radius: var(--radius-lg);
 border: 1px solid var(--border-light); background: var(--surface);
}
.auth-contrast--surface { border-left: 3px solid var(--muted-light); }
.auth-contrast--deep { border-left: 3px solid var(--accent-dark); background: #F0FDFA; }
.auth-contrast-tag {
 display: block; font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
 letter-spacing: 0.08em; color: var(--muted-light); margin-bottom: 6px;
}
.auth-contrast--deep .auth-contrast-tag { color: var(--accent-dark); }
.auth-contrast p { font-size: 0.8125rem; color: var(--muted); line-height: 1.5; margin: 0; }
.auth-memo-foot {
 text-align: center; padding: 16px; font-size: 0.75rem; color: var(--muted-light);
 border-top: 1px solid var(--border-light); background: var(--surface);
}

/* About */
.about-mission {
 display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.about-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.about-value {
 padding: 22px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.about-value h3 { font-family: var(--sans); font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.about-value p { font-size: 0.8rem; color: var(--muted); }

/* Modal */
.site-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.site-modal[hidden] { display: none; }
.site-modal-backdrop { position: absolute; inset: 0; background: rgba(30,41,59,0.5); }
.site-modal-panel {
 position: relative; background: var(--card); border-radius: var(--radius-xl);
 padding: 32px; max-width: 420px; width: 92vw; box-shadow: var(--shadow-lg);
}
.modal-open { overflow: hidden; }

/* Responsive */
@media (max-width: 1024px) {
 .case-dossier-card, .problem-chamber-grid, .registry-panel,
 .circular-analysis, .about-mission, .breakdown-strip, .briefs-layout,
 .dossier-body, .auth-memo-stage { grid-template-columns: 1fr; }
 .modules-grid, .brief-grid, .scenario-trio, .pricing-grid, .about-values { grid-template-columns: 1fr 1fr; }
 .solutions-grid { grid-template-columns: repeat(2, 1fr); }
 .exec-roles-grid { grid-template-columns: repeat(2, 1fr); }
 .connect-btn-grid { grid-template-columns: repeat(2, 1fr); }
 .footer-main { grid-template-columns: 1fr; }
 .footer-sitemap { grid-template-columns: repeat(3, 1fr); }
 .dossier-detail { border-top: 1px solid var(--border-light); }
 .dossier-rows { border-right: none; }
 .integration-pipeline { grid-template-columns: 1fr; }
 .assumption-row { grid-template-columns: 1fr 1fr; }
 .review-metrics-grid { grid-template-columns: repeat(2, 1fr); }
 .calc-row { grid-template-columns: repeat(2, 1fr); }
 .dependency-map { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
 .nav-main {
 display: none; position: absolute; top: 100%; left: 0; right: 0;
 flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border);
 padding: 16px; gap: 8px;
 }
 .nav-main.is-open { display: flex; }
 .nav-toggle { display: block; }
 .header-actions .btn-outline, .header-actions .btn-secondary { display: none; }
 .chamber-cta { flex-direction: column; align-items: stretch; }
 .chamber-cta .btn { width: 100%; }
 .modules-grid, .brief-grid, .scenario-trio, .pricing-grid, .about-values,
 .footer-sitemap, .solutions-grid, .exec-roles-grid, .connect-btn-grid { grid-template-columns: 1fr; }
 .auth-memo-side--queue, .auth-memo-side--contrast { display: none; }
 .review-item { grid-template-columns: 1fr; }
 .chamber-stats { flex-wrap: wrap; }
}