*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --white: #ffffff;
    --off-white: #f9f9f9;
    --light: #f3f3f3;
    --light-mid: #ebebeb;
    --border: #e0e0e0;
    --border-dark: #d0d0d0;
    --text: #111111;
    --muted: #555555;
    --subtle: #999999;
    --accent: #d4201e;
    --accent2: #c45a20;
    --accent3: #b08800;
    --green: #1a7a2e;
    --blue: #1a5fa8;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body { background: var(--white); color: var(--text); font-family: var(--font-sans); font-size: 15px; line-height: 1.7; overflow-x: hidden; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header { background: var(--white); border-bottom: 1px solid var(--border); padding: 0 40px; position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.site-logo { font-family: var(--font-mono); font-size: 13px; color: var(--text); letter-spacing: 0.05em; font-weight: 600; }
.site-logo span { color: var(--accent); }
.site-nav { display: flex; gap: 28px; }
.site-nav a { font-size: 12px; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; transition: color 0.2s; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 80px 40px 64px; max-width: 960px; margin: 0 auto; }
.hero-label { font-family: var(--font-mono); font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.hero-label::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--accent); }
.hero h1 { font-size: clamp(36px, 5.5vw, 60px); font-weight: 800; line-height: 1.08; letter-spacing: -0.025em; margin-bottom: 20px; color: var(--text); }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { font-size: 17px; color: var(--muted); max-width: 600px; line-height: 1.6; margin-bottom: 36px; }
.hero-axiom-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 800px; }
.hero-axiom { background: var(--off-white); border: 1px solid var(--border); border-left: 3px solid var(--accent); padding: 16px 18px; font-family: var(--font-mono); font-size: 12px; color: var(--text); line-height: 1.6; }
.hero-axiom--right { border-left-color: var(--border-dark); }
.hero-axiom .label { font-size: 9px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.12em; display: block; margin-bottom: 6px; }
.hero-axiom strong { color: var(--accent); }

.signal-bar { background: var(--off-white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.signal-bar-inner { max-width: 960px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; overflow-x: auto; }
.signal-item { display: flex; align-items: center; gap: 10px; padding: 12px 20px 12px 0; }
.signal-item--dim { opacity: 0.5; }
.signal-num { font-family: var(--font-mono); font-size: 9px; color: var(--accent); letter-spacing: 0.06em; }
.signal-label { font-size: 12px; font-weight: 600; color: var(--text); white-space: nowrap; }
.signal-badge-inline { font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; padding: 2px 7px; border: 1px solid; white-space: nowrap; }
.signal-badge-inline.critical { border-color: var(--accent); color: var(--accent); }
.signal-badge-inline.medium { border-color: var(--accent3); color: var(--accent3); }
.signal-sep { font-family: var(--font-mono); font-size: 12px; color: var(--subtle); padding: 0 12px; flex-shrink: 0; user-select: none; }

section { padding: 64px 40px; max-width: 960px; margin: 0 auto; }
.section-divider { border: none; border-top: 1px solid var(--border); max-width: 960px; margin: 0 auto; }
.section-label { font-family: var(--font-mono); font-size: 10px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); max-width: 60px; }
section h2 { font-size: 26px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; margin-bottom: 16px; }
section p { color: var(--muted); font-size: 15px; line-height: 1.75; max-width: 720px; margin-bottom: 14px; }
section p strong { color: var(--text); font-weight: 600; }

.cai-def { background: var(--off-white); border: 1px solid var(--border); border-left: 3px solid var(--accent); padding: 28px 32px; margin: 32px 0; }
.cai-def-title { font-family: var(--font-mono); font-size: 10px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.cai-def-body { font-size: 14px; color: var(--text); line-height: 1.7; }
.cai-def-body strong { color: var(--text); font-weight: 700; }

.priority-block { margin: 28px 0; }
.p0-block { margin-bottom: 0; }
.p1-block { margin-top: 0; }
.priority-header { display: flex; align-items: center; gap: 16px; padding: 10px 16px; border: 1px solid var(--border); margin-bottom: -1px; background: var(--light); }
.p0-block .priority-header { border-left: 3px solid var(--accent); }
.p1-block .priority-header { border-left: 3px solid var(--accent3); margin-top: 20px; }
.priority-tag { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; padding: 3px 10px; border: 1px solid; white-space: nowrap; }
.priority-tag.critical { border-color: var(--accent); color: var(--accent); }
.priority-tag.medium { border-color: var(--accent3); color: var(--accent3); }
.priority-sub { font-size: 12px; color: var(--muted); font-family: var(--font-mono); }

.ct-grid { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.ct-grid--3 { grid-template-columns: repeat(3, 1fr); }
.ct-grid--2 { grid-template-columns: repeat(2, 1fr); }
.ct-card { background: var(--white); padding: 22px; transition: background 0.15s; }
.ct-card:hover { background: var(--off-white); }
.ct-card--critical { background: #fdf8f8; }
.ct-card--critical:hover { background: #faf0f0; }
.ct-card-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.ct-rank { font-family: var(--font-mono); font-size: 10px; color: var(--subtle); padding: 4px 8px; border: 1px solid var(--border); min-width: 36px; text-align: center; flex-shrink: 0; margin-top: 2px; }
.ct-rank.high { border-color: var(--accent); color: var(--accent); }
.ct-rank.med { border-color: var(--accent2); color: var(--accent2); }
.ct-rank.low { border-color: var(--subtle); color: var(--subtle); }
.ct-card-title { font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.3; }
.ct-card-subtitle { font-family: var(--font-mono); font-size: 9px; color: var(--subtle); margin-top: 3px; text-transform: uppercase; letter-spacing: 0.06em; }
.ct-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 12px; }
.ct-example { background: var(--light); border-left: 2px solid var(--border-dark); padding: 10px 12px; margin-bottom: 12px; }
.ct-card--critical .ct-example { border-left-color: #e0b0b0; }
.ct-example-label { font-family: var(--font-mono); font-size: 9px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.ct-example-row { display: flex; gap: 8px; font-family: var(--font-mono); font-size: 11px; margin-bottom: 3px; align-items: flex-start; }
.ct-example-row--gap { margin-top: 7px; }
.ct-example-row .variant { color: var(--subtle); min-width: 80px; flex-shrink: 0; }
.ct-example-row .out-a { color: var(--green); }
.ct-example-row .out-b { color: var(--accent); }
.ct-signal { font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 10px; margin-top: 4px; }
.ct-signal strong { color: var(--text); }
.signal-badge { display: inline-block; font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; padding: 2px 7px; border: 1px solid; margin-left: 6px; vertical-align: middle; }
.signal-badge.critical { border-color: var(--accent); color: var(--accent); }
.signal-badge.high { border-color: var(--accent2); color: var(--accent2); }
.signal-badge.medium { border-color: var(--accent3); color: var(--accent3); }
.signal-badge.low { border-color: var(--subtle); color: var(--subtle); }

.ignore-block { background: var(--light); border: 1px solid var(--border); border-top: none; padding: 18px 22px; }
.ignore-title { font-family: var(--font-mono); font-size: 10px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; }
.ignore-items { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 12px; }
.ignore-item { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); }
.ignore-x { color: var(--subtle); font-size: 12px; }
.ignore-note { font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; line-height: 1.6; max-width: 720px; }
.ignore-note strong { color: var(--text); }

.score-table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 13px; }
.score-table th { background: var(--light); color: var(--muted); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; padding: 10px 16px; text-align: left; border-bottom: 1px solid var(--border); font-weight: 500; }
.score-table td { padding: 11px 16px; border-bottom: 1px solid var(--border); color: var(--muted); vertical-align: top; }
.score-table tr:last-child td { border-bottom: none; }
.score-table td:first-child { color: var(--text); font-weight: 600; }
.score-table td:nth-child(2) { font-family: var(--font-mono); font-size: 12px; color: var(--accent); white-space: nowrap; }
.score-row--critical td { background: #fdf8f8; }
.score-row--critical td:first-child { color: var(--accent); }
.score-bar-wrap { background: var(--light-mid); height: 3px; width: 72px; display: inline-block; margin-left: 8px; vertical-align: middle; }
.score-bar { height: 100%; background: var(--accent); display: block; }
.score-bar--orange { background: var(--accent2); }
.score-bar--yellow { background: var(--accent3); }
.score-bar--dim { background: var(--subtle); }

.cts-box { background: var(--off-white); border: 1px solid var(--border); padding: 32px; margin: 28px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.cts-box-col h3 { font-size: 11px; font-weight: 700; color: var(--text); margin-bottom: 14px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.cts-item { display: flex; gap: 12px; margin-bottom: 12px; }
.cts-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 7px; flex-shrink: 0; }
.cts-dot.green { background: var(--green); }
.cts-dot.yellow { background: var(--accent3); }
.cts-item-text { font-size: 13px; color: var(--muted); line-height: 1.6; }
.cts-item-text strong { color: var(--text); }

.contradish-block { background: var(--off-white); border: 1px solid var(--border); padding: 36px; margin: 32px 0; }
.contradish-block h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.pipeline-steps { display: flex; gap: 0; margin: 28px 0; }
.pipeline-step { flex: 1; background: var(--white); border: 1px solid var(--border); padding: 16px; position: relative; text-align: center; }
.pipeline-step:not(:last-child)::after { content: '\2192'; position: absolute; right: -12px; top: 50%; transform: translateY(-50%); color: var(--accent); font-size: 14px; z-index: 2; background: var(--white); padding: 0 2px; }
.pipeline-step-num { font-family: var(--font-mono); font-size: 10px; color: var(--accent); margin-bottom: 6px; }
.pipeline-step-title { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.pipeline-step-desc { font-size: 11px; color: var(--muted); line-height: 1.5; }
.contradish-cta { display: inline-block; font-family: var(--font-mono); font-size: 12px; color: var(--accent); border: 1px solid var(--border); padding: 10px 18px; transition: background 0.2s, border-color 0.2s; margin-top: 4px; }
.contradish-cta:hover { background: var(--light); border-color: var(--accent); text-decoration: none; }

.papers-list { margin: 28px 0; display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.paper-item { background: var(--white); padding: 22px 26px; display: flex; align-items: flex-start; gap: 20px; transition: background 0.15s; }
.paper-item:hover { background: var(--off-white); }
.paper-num { font-family: var(--font-mono); font-size: 10px; color: var(--subtle); padding-top: 3px; min-width: 24px; }
.paper-body { flex: 1; }
.paper-title { font-size: 15px; font-weight: 600; color: var(--accent); display: block; margin-bottom: 6px; line-height: 1.4; }
.paper-title:hover { text-decoration: underline; }
.paper-desc { font-size: 13px; color: var(--muted); line-height: 1.55; }
.paper-tag { font-family: var(--font-mono); font-size: 9px; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.08em; border: 1px solid var(--border); padding: 3px 7px; margin-top: 8px; display: inline-block; }

.founder-block { display: flex; gap: 28px; align-items: flex-start; background: var(--off-white); border: 1px solid var(--border); padding: 32px; margin: 28px 0; }
.founder-badge { width: 52px; height: 52px; background: var(--light); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.founder-body h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.founder-body .founder-title { font-size: 11px; color: var(--subtle); font-family: var(--font-mono); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.founder-body p { font-size: 14px; color: var(--muted); line-height: 1.65; margin: 0; max-width: 560px; }

.contact-block { background: var(--off-white); border: 1px solid var(--border); padding: 32px; margin: 28px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.contact-block h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.contact-block p { font-size: 14px; color: var(--muted); margin: 0; max-width: 400px; }
.contact-email { font-family: var(--font-mono); font-size: 13px; color: var(--accent); border: 1px solid var(--border); padding: 11px 18px; flex-shrink: 0; white-space: nowrap; transition: background 0.2s, border-color 0.2s; display: inline-block; }
.contact-email:hover { background: var(--light); border-color: var(--accent); text-decoration: none; }

.site-footer { background: var(--off-white); border-top: 1px solid var(--border); padding: 28px 40px; display: flex; align-items: center; justify-content: space-between; }
.footer-left { font-family: var(--font-mono); font-size: 11px; color: var(--subtle); flex: 1; }
.footer-left strong { color: var(--muted); }
.footer-links { display: flex; gap: 20px; flex: 1; justify-content: center; }
.footer-links a { font-size: 12px; color: var(--subtle); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); text-decoration: none; }
.footer-copy { font-family: var(--font-mono); font-size: 11px; color: var(--subtle); flex: 1; text-align: right; }

@media (max-width: 800px) {
    .site-header { padding: 0 20px; }
    .site-nav { display: none; }
    .hero, section { padding: 48px 20px; }
    .hero-axiom-row { grid-template-columns: 1fr; }
    .signal-bar-inner { padding: 0 20px; }
    .ct-grid--3 { grid-template-columns: 1fr; }
    .ct-grid--2 { grid-template-columns: 1fr; }
    .cts-box { grid-template-columns: 1fr; gap: 24px; }
    .pipeline-steps { flex-direction: column; }
    .pipeline-step:not(:last-child)::after { content: '\2193'; right: auto; left: 50%; transform: translateX(-50%); top: auto; bottom: -14px; }
    .contact-block { flex-direction: column; }
    .founder-block { flex-direction: column; }
    .ignore-items { flex-direction: column; gap: 6px; }
    .site-footer { flex-direction: column; gap: 14px; text-align: center; }
    .footer-left, .footer-copy { text-align: center; }
    .footer-links { justify-content: center; }
    .score-table { font-size: 12px; }
    .score-table th, .score-table td { padding: 8px 10px; }
    .score-bar-wrap { width: 48px; }
}