/* Helppohinta editorial patterns. Opt-in, not a reset for existing pages.
 * Brand source: plugin/.../design/claude-electricity/design.css.
 * Evolve this file and its showcase together; do not copy its rules per article. */
@font-face{font-family:HPDSKabel;src:url('../../design/claude-electricity/fonts/NeueKabel-Regular.otf') format('opentype');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:HPDSBrandon;src:url('../../design/claude-electricity/fonts/BrandonGrotesque-Regular.otf') format('opentype');font-weight:400;font-style:normal;font-display:swap}
.hp-ds{
  --hp-ink:#293a38;--hp-heading:#1c2e2c;--hp-muted:#53625f;
  --hp-teal:#147a62;--hp-teal-bright:#26a686;--hp-mint:#daf7ec;
  --hp-navy:#1b1b42;--hp-blue:#192b80;--hp-hero:#071b33;
  --hp-paper:#fff;--hp-surface:#f2f6fa;--hp-line:#d8e2ec;
  --hp-orange:#eb6e00;--hp-orange-ink:#b54d00;
  --hp-warning:#fff3d6;--hp-warning-ink:#5c4300;
  --hp-error:#9e2727;--hp-error-bg:#fff0ee;
  --hp-radius:14px;--hp-radius-small:9px;
  --hp-font-heading:HPDSKabel,'Avenir Next','Trebuchet MS',sans-serif;
  --hp-font-body:HPDSBrandon,'Gill Sans','Segoe UI',system-ui,sans-serif;
  color:var(--hp-ink);font-family:var(--hp-font-body);font-size:1.125rem;
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;
}
.hp-ds *,.hp-ds *::before,.hp-ds *::after{box-sizing:border-box}
.hp-ds [hidden]{display:none!important}
.hp-ds :is(h1,h2,h3,h4){font-family:var(--hp-font-heading);color:var(--hp-heading);font-weight:600;line-height:1.18;letter-spacing:-.015em;text-wrap:balance;margin:0}
.hp-ds h1{font-size:clamp(2.25rem,4.5vw,3.75rem)}
.hp-ds h2{font-size:clamp(1.75rem,3vw,2.35rem)}
.hp-ds h3{font-size:1.4rem}
.hp-ds h4{font-size:1.15rem}
.hp-ds :is(p,ul,ol,dl,figure,fieldset){margin:0}
.hp-ds :is(ul,ol){padding-inline-start:1.35rem}
.hp-ds li+li{margin-top:.35rem}
.hp-ds a{color:var(--hp-blue);text-underline-offset:.16em;text-decoration-thickness:1px}
.hp-ds a:hover{color:var(--hp-teal)}
.hp-ds :is(button,input,select,textarea){font:inherit;color:inherit}
.hp-ds :is(button,select,summary){cursor:pointer}
.hp-ds :focus-visible{outline:3px solid var(--hp-blue);outline-offset:3px}
.hp-ds :is(img,video){max-width:100%;height:auto}
.hp-ds :is(svg){max-width:100%}
.hp-ds :is(code,pre){font-size:.85em;overflow-wrap:anywhere}
.hp-ds pre{white-space:pre-wrap}
.hp-ds .hp-ds-wrap{max-width:1180px;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.hp-ds .hp-ds-section{padding-block:clamp(2rem,5vw,4rem);border-bottom:1px solid var(--hp-line);scroll-margin-top:1.5rem}
.hp-ds .hp-ds-stack{display:grid;gap:1.25rem;min-width:0}
.hp-ds .hp-ds-stack-small{display:grid;gap:.5rem;min-width:0}
.hp-ds .hp-ds-prose{max-width:72ch}
.hp-ds .hp-ds-prose>*+*{margin-top:1rem}
.hp-ds .hp-ds-prose>:is(h2,h3){margin-top:1.8rem}
.hp-ds .hp-ds-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}
.hp-ds .hp-ds-grid>*{min-width:0}
.hp-ds .hp-ds-lead{font-size:clamp(1.2rem,2vw,1.4rem);max-width:60ch}
.hp-ds .hp-ds-muted{color:var(--hp-muted)}
.hp-ds .hp-ds-small{font-size:.9375rem}
.hp-ds .hp-ds-number{font-variant-numeric:tabular-nums;font-feature-settings:'tnum'}
.hp-ds .hp-ds-eyebrow{font-weight:700;font-size:.8125rem;letter-spacing:.12em;text-transform:uppercase;color:var(--hp-teal)}
.hp-ds .hp-ds-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hp-ds .hp-ds-hero{background:linear-gradient(150deg,var(--hp-hero),#0b2d4f 70%);color:#fff;padding-block:clamp(2.75rem,6vw,5rem)}
.hp-ds .hp-ds-hero :is(h1,h2,h3){color:#fff}
.hp-ds .hp-ds-hero .hp-ds-eyebrow{color:#7fe3c6}
.hp-ds .hp-ds-hero .hp-ds-lead{color:#c9d6e6}
.hp-ds .hp-ds-hero a:not(.hp-ds-button){color:#afe9d6}
.hp-ds .hp-ds-hero :focus-visible{outline-color:#ffc65c}
.hp-ds .hp-ds-nav{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;list-style:none;padding:0;margin:0}
.hp-ds .hp-ds-nav a{display:inline-flex;align-items:center;min-height:44px}
.hp-ds .hp-ds-card{padding:clamp(1rem,2.5vw,1.5rem);border:1px solid var(--hp-line);border-radius:var(--hp-radius);background:var(--hp-paper);min-width:0}
.hp-ds .hp-ds-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;max-width:100%;padding:.6rem 1.5rem;border:2px solid var(--hp-teal);border-radius:12px;background:var(--hp-teal);color:#fff;text-decoration:none;font-weight:700;text-align:center;line-height:1.35}
.hp-ds .hp-ds-button:hover{background:#0f6350;border-color:#0f6350;color:#fff}
/* Existing amber-deep brand token keeps white CTA text legible at small sizes. */
.hp-ds .hp-ds-button-commercial{background:var(--hp-orange-ink);border-color:var(--hp-orange-ink);color:#fff}
.hp-ds .hp-ds-button-commercial:hover{background:#943e00;border-color:#943e00;color:#fff}
.hp-ds .hp-ds-button-secondary{background:transparent;border-color:var(--hp-muted);color:var(--hp-heading)}
.hp-ds .hp-ds-button-secondary:hover{background:var(--hp-mint);color:var(--hp-heading);border-color:var(--hp-teal)}
.hp-ds .hp-ds-button:disabled{cursor:not-allowed;background:var(--hp-surface);border-color:var(--hp-line);color:var(--hp-muted)}
.hp-ds .hp-ds-actions{display:flex;flex-wrap:wrap;gap:.75rem 1rem;align-items:center}
.hp-ds .hp-ds-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.25rem;background:var(--hp-mint);border:1px solid #bbe7d6;border-radius:var(--hp-radius);padding:clamp(1.25rem,3vw,2rem)}
.hp-ds .hp-ds-cta-copy{flex:1 1 22rem;min-width:0;max-width:60ch}
.hp-ds .hp-ds-cta-copy p{margin-top:.45rem}
.hp-ds .hp-ds-callout{border-inline-start:4px solid var(--hp-teal);border-radius:0 var(--hp-radius-small) var(--hp-radius-small) 0;background:var(--hp-mint);padding:1rem 1.25rem}
.hp-ds .hp-ds-callout>*+*{margin-top:.4rem}
.hp-ds .hp-ds-callout-warning{background:var(--hp-warning);border-color:var(--hp-warning-ink);color:var(--hp-warning-ink)}
.hp-ds .hp-ds-callout-warning :is(h3,h4){color:var(--hp-warning-ink)}
.hp-ds .hp-ds-callout-error{background:var(--hp-error-bg);border-color:var(--hp-error);color:var(--hp-error)}
.hp-ds .hp-ds-callout-error :is(h3,h4){color:var(--hp-error)}
.hp-ds .hp-ds-callout-neutral{background:var(--hp-surface);border-color:var(--hp-muted)}
.hp-ds .hp-ds-badge{display:inline-block;border:1px solid currentColor;border-radius:999px;padding:.15rem .65rem;font-size:.8125rem;line-height:1.4;color:var(--hp-teal);font-weight:700}
.hp-ds .hp-ds-badge-warning{color:var(--hp-warning-ink);background:var(--hp-warning)}
.hp-ds .hp-ds-badge-example{color:var(--hp-blue);background:var(--hp-surface)}
.hp-ds .hp-ds-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--hp-line);border:1px solid var(--hp-line);border-radius:var(--hp-radius);overflow:hidden}
.hp-ds .hp-ds-metrics>div{padding:1.25rem;background:var(--hp-paper);min-width:0}
.hp-ds .hp-ds-metrics dt{color:var(--hp-muted);font-size:.9375rem}
.hp-ds .hp-ds-metrics dd{font-family:var(--hp-font-heading);font-size:clamp(1.5rem,3vw,2rem);color:var(--hp-teal);margin:.2rem 0}
.hp-ds .hp-ds-metrics small{display:block;color:var(--hp-muted);font-family:var(--hp-font-body);font-size:.875rem;line-height:1.4}
.hp-ds .hp-ds-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--hp-line);border-radius:var(--hp-radius-small);overscroll-behavior-x:contain}
.hp-ds .hp-ds-table{width:100%;border-collapse:collapse;font-size:1rem;text-align:left}
.hp-ds .hp-ds-table caption{text-align:left;font-weight:700;color:var(--hp-heading);padding:1rem;background:var(--hp-paper)}
.hp-ds .hp-ds-table :is(th,td){padding:.85rem 1rem;vertical-align:top;border-bottom:1px solid var(--hp-line);min-width:8rem}
.hp-ds .hp-ds-table thead th{background:var(--hp-surface);color:var(--hp-heading)}
.hp-ds .hp-ds-table tbody th{font-weight:700;color:var(--hp-heading)}
.hp-ds .hp-ds-table tbody tr:last-child>*{border-bottom:0}
.hp-ds .hp-ds-table tbody tr:hover>*{background:#f6faf8}
.hp-ds .hp-ds-table .hp-ds-number{text-align:right;white-space:nowrap}
.hp-ds .hp-ds-table .hp-ds-selected>*{background:var(--hp-mint)}
.hp-ds .hp-ds-table td strong{display:block}
.hp-ds .hp-ds-table-compact :is(th,td){min-width:0}
.hp-ds .hp-ds-table-note{font-size:.9375rem;color:var(--hp-muted);margin-top:.5rem}
.hp-ds .hp-ds-steps{list-style:none;padding:0;counter-reset:hp-step;display:grid;gap:0}
.hp-ds .hp-ds-steps>li{position:relative;counter-increment:hp-step;padding:0 0 1.75rem 3.5rem;margin:0;border-inline-start:2px solid var(--hp-line);margin-inline-start:1rem}
.hp-ds .hp-ds-steps>li:last-child{border-color:transparent;padding-bottom:0}
.hp-ds .hp-ds-steps>li::before{content:counter(hp-step);position:absolute;inset-inline-start:-1.05rem;top:0;width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;background:var(--hp-teal);color:#fff;font-weight:700}
.hp-ds .hp-ds-steps p{margin-top:.35rem;max-width:65ch}
.hp-ds .hp-ds-details{border-block-end:1px solid var(--hp-line)}
.hp-ds .hp-ds-details>summary{min-height:48px;padding:1rem .3rem;font-weight:700;color:var(--hp-heading)}
.hp-ds .hp-ds-details>summary::marker{color:var(--hp-teal)}
.hp-ds .hp-ds-details>div{padding:0 .3rem 1rem;max-width:72ch}
.hp-ds .hp-ds-field{display:grid;gap:.35rem;min-width:0;max-width:26rem}
.hp-ds .hp-ds-field>label{font-weight:700;color:var(--hp-heading)}
.hp-ds .hp-ds-field :is(input,select,textarea){min-height:48px;width:100%;min-width:0;padding:.6rem .75rem;border:2px solid var(--hp-muted);border-radius:var(--hp-radius-small);background:var(--hp-paper)}
.hp-ds .hp-ds-field [aria-invalid=true]{border-color:var(--hp-error)}
.hp-ds .hp-ds-field small{color:var(--hp-muted)}
.hp-ds .hp-ds-field .hp-ds-field-error{color:var(--hp-error)}
.hp-ds .hp-ds-check{display:flex;gap:.6rem;align-items:flex-start;min-height:44px;padding-block:.5rem}
.hp-ds .hp-ds-check input{accent-color:var(--hp-teal);width:1.25rem;height:1.25rem;flex:0 0 auto;margin-top:.25rem}
.hp-ds .hp-ds-chart{display:grid;gap:.75rem}
.hp-ds .hp-ds-chart-stage{min-width:0}
.hp-ds .hp-ds-chart-stage svg{width:100%;height:auto;display:block;overflow:visible}
.hp-ds .hp-ds-chart-stage text{fill:var(--hp-muted);font:14px var(--hp-font-body)}
.hp-ds .hp-ds-chart-stage .hp-ds-axis{stroke:var(--hp-line);stroke-width:1}
.hp-ds .hp-ds-chart-stage .hp-ds-series{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.hp-ds .hp-ds-chart-stage .hp-ds-series-a{stroke:var(--hp-teal)}
.hp-ds .hp-ds-chart-stage .hp-ds-series-b{stroke:var(--hp-blue);stroke-dasharray:8 5}
.hp-ds .hp-ds-chart-legend{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;font-size:1rem;list-style:none;padding:0}
.hp-ds .hp-ds-chart-legend li{display:flex;align-items:center;gap:.5rem;margin:0}
.hp-ds .hp-ds-swatch{width:2rem;border-top:3px solid var(--hp-teal);display:inline-block}
.hp-ds .hp-ds-swatch-b{border-color:var(--hp-blue);border-top-style:dashed}
.hp-ds .hp-ds-readout{padding:.75rem 1rem;background:var(--hp-surface);border-radius:var(--hp-radius-small);font-variant-numeric:tabular-nums;min-height:3.3rem}
.hp-ds .hp-ds-sources{font-size:.9375rem;color:var(--hp-muted);border-top:1px solid var(--hp-line);padding-top:1rem}
.hp-ds .hp-ds-sources h3{font-size:1.1rem;margin-bottom:.5rem}
.hp-ds .hp-ds-sources li{overflow-wrap:anywhere}
.hp-ds .hp-ds-figure figcaption{font-size:.9375rem;color:var(--hp-muted);margin-top:.6rem;max-width:72ch}
.hp-ds .hp-ds-empty{padding:2rem;border:1px dashed var(--hp-muted);border-radius:var(--hp-radius);background:var(--hp-surface);max-width:65ch}
.hp-ds .hp-ds-empty p{margin-top:.5rem}
.hp-ds .hp-ds-palette{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem}
.hp-ds .hp-ds-color{padding:1rem;border:1px solid var(--hp-line);border-radius:var(--hp-radius-small);font-size:.875rem}
.hp-ds .hp-ds-color-sample{height:3rem;border-radius:5px;margin-bottom:.5rem;background:var(--hp-sample,var(--hp-surface))}
@media(max-width:768px){.hp-ds .hp-ds-grid{grid-template-columns:1fr}.hp-ds .hp-ds-metrics{grid-template-columns:1fr}.hp-ds .hp-ds-palette{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:390px){.hp-ds .hp-ds-actions>.hp-ds-button,.hp-ds .hp-ds-cta>.hp-ds-button{width:100%}.hp-ds .hp-ds-steps>li{padding-inline-start:2rem}.hp-ds .hp-ds-chart-stage text{font-size:16px}.hp-ds .hp-ds-table-compact :is(th,td){padding:.65rem .4rem}.hp-ds .hp-ds-table-compact thead th{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.hp-ds *,.hp-ds *::before,.hp-ds *::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.hp-ds .hp-ds-hero{background:#fff;color:#000}.hp-ds .hp-ds-hero :is(h1,h2,h3,p){color:#000}.hp-ds .hp-ds-table-wrap{overflow:visible}.hp-ds .hp-ds-table :is(th,td){min-width:0;padding:.4rem}.hp-ds .hp-ds-section{break-inside:auto}.hp-ds .hp-ds-nav{display:none}}