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14px;font-size:.78rem}.section-head{max-width:640px;margin-bottom:48px}.section-head h2{letter-spacing:-.01em;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:600}.section-sub{color:var(--text-muted);margin-top:12px;font-size:.98rem;line-height:1.6}.btn{border-radius:var(--radius);transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:13px 26px;font-size:.92rem;font-weight:500;display:inline-flex}.btn-primary{background:var(--ecg);color:#04170c;font-family:var(--font-mono)}.btn-primary:hover{background:#45e69a;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-ghost{border-color:var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--ecg-dim);color:var(--ecg)}.btn-wide{width:100%;padding:15px 26px;font-size:.95rem}.btn-text{color:var(--text-muted);background:0 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p{color:var(--text-faint);max-width:34ch;margin-top:8px;font-size:.82rem}.footer-links{gap:20px;display:flex}.footer-links a{color:var(--text-muted);font-size:.85rem}.footer-links a:hover{color:var(--ecg)}@media (width<=900px){.assess-grid{grid-template-columns:1fr}.result-panel{position:static}.notes-grid,.pipeline-steps{grid-template-columns:1fr}.hero-stats{gap:32px}}@media (width<=720px){.main-nav,.nav-cta{display:none}.nav-toggle{display:flex}section{padding:64px 20px}.header-inner{padding:16px 20px}.field-row{grid-template-columns:1fr}.field-row+.field-row{margin-top:14px}.segmented--four{grid-template-columns:repeat(2,1fr)}.form-actions{flex-direction:column;align-items:stretch}.hero-trace{height:110px}}.nav-open .main-nav{background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;gap:16px;padding:20px 28px;display:flex;position:absolute;top:100%;left:0;right:0}.nav-open .nav-toggle span:first-child{transform:translateY(7px)rotate(45deg)}.nav-open 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