.tone-shift{height:clamp(300px,34vw,460px);margin:calc(-1 * var(--pia-section-y)) 0 0;pointer-events:none;background:linear-gradient(180deg,rgba(28,27,46,0) 0,rgba(28,27,46,.03) 18%,rgba(28,27,46,.09) 32%,rgba(28,27,46,.2) 45%,rgba(28,27,46,.38) 57%,rgba(28,27,46,.6) 68%,rgba(28,27,46,.8) 78%,rgba(28,27,46,.93) 87%,var(--pia-env-frame) 97%)}.tone-dark{position:relative;z-index:1;background-color:var(--pia-env-frame);background-image:radial-gradient(rgba(255,255,255,.022) 1px,transparent 0),radial-gradient(rgba(184,151,90,.03) 1px,transparent 0);background-size:24px 24px,17px 17px;background-position:0 0,8px 12px}[data-tone=dark]{--pia-env-ground:var(--pia-midnight-900);--pia-env-surface:rgba(255,255,255,0.05);--pia-env-surface-secondary:rgba(255,255,255,0.03);--pia-env-sunken:rgba(0,0,0,0.16);--pia-env-border:rgba(255,255,255,0.16);--pia-env-border-subtle:rgba(255,255,255,0.1);--pia-voice-primary:rgba(245,241,235,0.9);--pia-voice-secondary:rgba(245,241,235,0.68);--pia-voice-tertiary:rgba(245,241,235,0.56);--pia-voice-muted:rgba(245,241,235,0.38);--pia-voice-emphasis:var(--pia-surface-warm-white);--pia-voice-inverse:var(--pia-midnight-900);--pia-accent-default:var(--pia-brass-400);--pia-accent-pressed:var(--pia-brass-300);--pia-accent-light:var(--pia-brass-300);--pia-accent-tint:rgba(184,151,90,0.16);--pia-accent-tint-subtle:rgba(184,151,90,0.08);--pia-accent-text:var(--pia-brass-300);--pia-status-positive:#6FCF97;--pia-status-positive-tint:rgba(111,207,151,0.14);--pia-status-caution:#F0B34D;--pia-status-caution-tint:rgba(240,179,77,0.14);--pia-status-critical:#E8737F;--pia-status-critical-tint:rgba(232,115,127,0.14);--pia-status-info:var(--pia-midnight-300);--pia-status-info-tint:rgba(179,177,204,0.14);--pia-status-neutral:rgba(245,241,235,0.5);--pia-status-neutral-tint:rgba(255,255,255,0.05);color:var(--pia-voice-primary)}[data-tone=dark] .ps-screen{--pia-env-ground:var(--pia-surface-warm-white);--pia-env-surface:var(--pia-surface-white);--pia-env-surface-secondary:var(--pia-surface-warm-white-2);--pia-env-sunken:var(--pia-surface-linen);--pia-env-border:var(--pia-surface-border);--pia-env-border-subtle:var(--pia-surface-border-subtle);--pia-voice-primary:var(--pia-warm-slate);--pia-voice-secondary:var(--pia-warm-slate-light);--pia-voice-tertiary:var(--pia-warm-muted);--pia-voice-muted:var(--pia-warm-faint);--pia-voice-emphasis:var(--pia-warm-charcoal);--pia-voice-inverse:var(--pia-surface-warm-white);--pia-accent-default:var(--pia-brass-600);--pia-accent-pressed:var(--pia-brass-700);--pia-accent-light:var(--pia-brass-500);--pia-accent-tint:var(--pia-brass-100);--pia-accent-tint-subtle:var(--pia-brass-50);--pia-accent-text:var(--pia-brass-800);--pia-status-positive:var(--pia-forest-700);--pia-status-positive-tint:var(--pia-forest-50);--pia-status-caution:var(--pia-amber-700);--pia-status-caution-tint:var(--pia-amber-50);--pia-status-critical:var(--pia-crimson-700);--pia-status-critical-tint:var(--pia-crimson-50);--pia-status-info:var(--pia-midnight-600);--pia-status-info-tint:var(--pia-midnight-50);--pia-status-neutral:var(--pia-warm-muted);--pia-status-neutral-tint:var(--pia-surface-warm-white-2);color:var(--pia-voice-primary)}[data-tone=dark] .btn-primary{background:var(--pia-surface-warm-white);color:var(--pia-midnight-900)}[data-tone=dark] .btn-primary:hover{background:#fff}[data-tone=dark] .btn-secondary{border-color:rgba(255,255,255,.24);color:var(--pia-surface-warm-white)}[data-tone=dark] .btn-secondary:hover{background:rgba(255,255,255,.07)}[data-tone=dark] .btn-chat{background:var(--pia-brass-600);color:var(--pia-midnight-900);box-shadow:0 10px 24px -12px rgba(0,0,0,.7)}[data-tone=dark] .btn-chat:hover{background:var(--pia-brass-500)}[data-tone=dark] ::selection{background:var(--pia-brass-500);color:var(--pia-midnight-900)}@media (prefers-reduced-motion:reduce){.tone-shift{transition:none}}