/* PKR progressive guidelines – quick application first, optional mechanics on click. */
.pkr-rule-quick{margin:27px 0 0;padding:clamp(18px,3vw,28px);background:#f2f7fa;border:1px solid #dce8ef;border-radius:12px;min-width:0}
.pkr-rule-quick-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:7px 18px;margin-bottom:17px}
.pkr-rule-quick-head .minor{color:var(--blue);font-weight:700}
.pkr-rule-quick-head p{font:400 13px/1.55 var(--pkr-font,Arial,sans-serif);color:#617682;margin:0}
.pkr-rule-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pkr-rule-cards>div{background:#fff;border:1px solid #dae5ed;border-radius:9px;padding:18px 16px;min-width:0}
.pkr-rule-cards strong{display:block;color:var(--blue);font:700 15px/1.35 var(--pkr-font,Arial,sans-serif)}
.pkr-rule-cards p{margin:8px 0 0;color:#5f7581;font:400 13px/1.55 var(--pkr-font,Arial,sans-serif)}
.pkr-rule-details{background:#fff;border:1px solid #d8e6ed;border-radius:11px;margin-top:16px;overflow:hidden;min-width:0}
.pkr-rule-details>summary{display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer;list-style:none;min-height:58px;padding:15px clamp(16px,2.5vw,23px);color:var(--blue);font:700 15px/1.4 var(--pkr-font,Arial,sans-serif)}
.pkr-rule-details>summary::-webkit-details-marker{display:none}
.pkr-rule-details>summary::marker{content:""}
.pkr-rule-details>summary:hover{background:#f1f7fa}
.pkr-rule-details>summary:focus-visible{outline:3px solid var(--blue-75);outline-offset:-3px}
.pkr-rule-details>summary span:first-child{min-width:0}
.pkr-rule-details>summary small{display:block;margin-top:5px;color:#6a7e8c;font:400 12px/1.45 var(--pkr-font,Arial,sans-serif)}
.pkr-rule-chevron{flex:none;font-size:22px;line-height:1;transition:transform .2s}
.pkr-rule-details[open] .pkr-rule-chevron{transform:rotate(180deg)}
.pkr-rule-details-body{padding:clamp(14px,2.5vw,25px);border-top:1px solid var(--hair);min-width:0}
.pkr-rule-details-body>.guideline-block:first-child{margin-top:0}
.pkr-rule-details-body>.guideline-block{margin-top:24px}
.pkr-rule-details-body>.logo-details{margin-top:25px}
.pkr-rule-details-body>.measure-caption{margin:14px 0 0}
.pkr-rule-details-body>.typolab{margin:0}
@media(max-width:850px){.pkr-rule-cards{grid-template-columns:1fr}.pkr-rule-cards>div{padding:16px}}
@media(max-width:600px){.pkr-rule-quick{padding:15px;margin-top:21px}.pkr-rule-quick-head{display:block}.pkr-rule-quick-head p{margin-top:6px}.pkr-rule-cards{gap:9px}.pkr-rule-details{margin-top:12px}.pkr-rule-details>summary{padding:14px;min-height:53px;font-size:14px}.pkr-rule-details-body{padding:12px}}
@media(prefers-reduced-motion:reduce){.pkr-rule-chevron{transition:none}}