.ad{--i-learn:#2f5843;--i-action:#d08a2e;--i-subscribe:#8fb58a;--i-volunteer:#5b7fa6;--i-donate:#a63f1c;--i-events:#7b5ea7;--i-help:#3f8f8f;--i-other:#b9b09a;--ad-blue:#2b5c8a;--ad-blue-soft:#e3edf6;--ad-warn-soft:#fbf0d6;--ad-ok-soft:#e0efdf;background:var(--paper);min-height:100vh;font-size:16px}.ad-wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:24px}.ad-header{background:var(--card);border-bottom:1px solid var(--line);z-index:30;position:sticky;top:0}.ad-header__row{justify-content:space-between;align-items:center;gap:16px;min-height:60px;display:flex}.ad-header .brand{font-size:18px}.ad-header .brand em{border-left:1px solid var(--line);margin-left:6px;padding-left:10px;font-size:15px;display:inline-block}.ad-back{white-space:nowrap;font-size:14.5px;font-weight:600}.ad-tabs{scrollbar-width:none;gap:2px;padding-bottom:0;display:flex;overflow-x:auto}.ad-tabs::-webkit-scrollbar{display:none}.ad-tabs a{color:var(--ink-2);border-bottom:3px solid #0000;flex:none;margin-bottom:-1px;padding:10px 14px 12px;font-size:15px;font-weight:600;text-decoration:none}.ad-tabs a:hover{color:var(--forest);background:var(--paper-2);border-radius:8px 8px 0 0}.ad-tabs a[aria-current=page]{color:var(--forest);border-bottom-color:var(--rust)}.ad-main{align-content:start;gap:24px;padding-block:36px 96px;display:grid}.ad-title{max-width:46em;margin-bottom:4px}.ad-title h1{font-size:clamp(28px,4vw,40px)}.ad-kicker{font:700 12px/1.3 var(--f-body);text-transform:uppercase;letter-spacing:.09em;color:var(--rust);margin:0 0 8px}.ad-lead{color:var(--ink-2);margin:14px 0 0;font-size:18px;line-height:1.55}.ad-link{cursor:pointer;font:600 14.5px/1.4 var(--f-body);color:var(--forest);text-underline-offset:3px;background:0 0;border:0;padding:4px 0;text-decoration:underline}.ad-link:hover{color:var(--rust)}.ad-main code,.ad-main .mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.88em}.ad-main code{background:var(--paper-2);border-radius:5px;padding:1px 6px}.ad-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-1);min-width:0;padding:24px}.ad-panel__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.ad-panel__head h2{font-size:22px}.ad-panel h3{margin:20px 0 8px;font-size:18px}.ad-panel>p:last-child,.ad-note:last-child{margin-bottom:0}.ad-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.ad-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.ad-grid>.ad-panel,.ad-grid>.ad-metric,.ad-grid>.ad-mini{height:100%}.ad-note{color:var(--ink-2);margin:0 0 12px;font-size:15px;line-height:1.55}.ad-dl{gap:10px;margin:0 0 16px;display:grid}.ad-dl>div{grid-template-columns:9.5em 1fr;align-items:baseline;gap:12px;display:grid}.ad-dl dt{color:var(--muted);font-size:13.5px;font-weight:600}.ad-dl dd{margin:0;font-size:15.5px}.ad-chips{flex-wrap:wrap;gap:6px;display:flex}.ad-field{gap:6px;margin:0 0 14px;display:grid}.ad-field>span{color:var(--ink-2);font-size:13.5px;font-weight:700}.ad select,.ad input[type=text],.ad input[type=search]{border:1.5px solid var(--line);background:#fff;border-radius:10px;max-width:100%;min-height:42px;padding:8px 12px;font-size:15px}.ad select:hover{border-color:var(--forest-2)}.ad :focus-visible{outline:3px solid var(--focus);outline-offset:2px}.ad-btn{min-height:42px;font:700 14.5px/1.2 var(--f-body);cursor:pointer;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:8px 18px;text-decoration:none;transition:background .2s,color .2s,border-color .2s;display:inline-flex}.ad-btn:disabled{opacity:.45;cursor:not-allowed}.ad-btn--primary{background:var(--forest);color:#fff}.ad-btn--primary:hover:not(:disabled){background:var(--forest-3);color:#fff}.ad-btn--ghost{color:var(--forest);border-color:var(--forest-2);background:0 0}.ad-btn--ghost:hover:not(:disabled){background:var(--moss)}.ad-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;display:flex}.ad-switchrow{align-items:center;gap:12px;margin-bottom:12px;display:flex}.ad-switch{cursor:pointer;background:#8b917f;border:0;border-radius:999px;flex:none;width:52px;height:30px;padding:0;transition:background .2s;position:relative}.ad-switch span{width:24px;height:24px;transition:transform .2s var(--ease);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.ad-switch[aria-checked=true]{background:var(--ok)}.ad-switch[aria-checked=true] span{transform:translate(22px)}.ad-badge{font:700 12.5px/1.6 var(--f-body);background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line);white-space:nowrap;border-radius:999px;align-items:center;padding:2px 10px;display:inline-flex}.ad-badge--ok{background:var(--ad-ok-soft);color:#1f5030;border-color:#b7d6b8}.ad-badge--warn{background:var(--ad-warn-soft);color:#6d4700;border-color:#ecd394}.ad-badge--sample{background:var(--ad-blue-soft);color:#1d4468;border-color:#b6cde2}.ad-badge--draft{color:var(--muted);border:1px dashed var(--muted);background:#fff}.ad-sample{background:var(--ad-blue-soft);color:#1d4468;border:1px solid #b6cde2;border-radius:10px;margin:0 0 18px;padding:10px 14px;font-size:14.5px;line-height:1.5}.ad-callout{border-radius:var(--r-sm);background:var(--moss);border:1px solid var(--moss-2);color:var(--forest-3);max-width:60em;padding:14px 18px;font-size:15px;line-height:1.55}.ad-callout p{margin:0 0 8px}.ad-callout--warn{background:var(--ad-warn-soft);color:#4d3200;border-color:#ecd394;margin-top:16px}.ad-warnings{background:var(--ad-warn-soft);color:#4d3200;border-radius:10px;margin:14px 0 0;padding:10px 16px 10px 32px;font-size:14.5px}.ad-metrics{margin-top:4px}.ad-metric{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);padding:16px 18px}.ad-metric>span{color:var(--muted);font-size:13.5px;font-weight:700}.ad-metric__pair{grid-template-columns:auto 1fr;align-items:baseline;column-gap:12px;margin:6px 0 8px;display:grid}.ad-metric__pair b{font:600 28px/1.2 var(--f-display);color:var(--forest);font-variant-numeric:tabular-nums}.ad-metric__pair small{color:var(--muted);font-size:13.5px}.ad-metric>p{color:var(--ink-2);margin:0;font-size:14px;line-height:1.5}.ad-import{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.ad-status{border-radius:var(--r-sm);background:var(--paper);border:1px solid var(--line-2);padding:14px 16px;font-size:14.5px}.ad-status p{overflow-wrap:anywhere;margin:0 0 6px}.ad-status p:last-child{margin:0}.ad-filters{flex-wrap:wrap;gap:10px;display:flex}.ad-filters select{min-height:38px;padding:4px 10px}.ad-tablewrap{border:1px solid var(--line-2);border-radius:var(--r-sm);max-width:100%;overflow:auto}.ad-tablewrap--tall{max-height:520px}.ad-table{border-collapse:collapse;width:100%;font-size:14.5px}.ad-table th,.ad-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line-2);padding:9px 14px}.ad-table thead th{background:var(--paper-2);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-2);z-index:1;white-space:nowrap;font-size:12.5px;position:sticky;top:0}.ad-table tbody tr:last-child td,.ad-table tbody tr:last-child th{border-bottom:0}.ad-table tbody tr:hover{background:#fdfaf3}.ad-table tbody th{font-weight:600}.ad-table--wide{min-width:640px}.ad-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.ad-table .q{min-width:15em}.ad-table .mono{color:var(--ink-2);white-space:nowrap;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:13px}.ad-table .int{white-space:nowrap;align-items:center;gap:7px;font-weight:600;display:inline-flex}.ad-table .int i{border-radius:3px;flex:none;width:11px;height:11px}.ad-table .conf{color:var(--muted);font-size:13px}.ad-table .conf--low{color:var(--warn);font-weight:700}.prof-list{gap:14px;margin:16px 0 0;padding:0;list-style:none;display:grid}.prof{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);padding:16px 18px}.prof__head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;display:flex}.prof__path{color:var(--forest);margin:0 0 2px;font-weight:700}.prof__meta{color:var(--muted);margin:0;font-size:14px}.prof__list{color:var(--ink-2);flex-wrap:wrap;gap:4px 18px;margin:10px 0 0;font-size:14px;display:flex}.prof__topic{color:var(--muted)}.ibar__track{background:var(--line-2);border-radius:7px;height:26px;display:flex;overflow:hidden}.ibar__track--compact{height:10px}.ibar__track span{color:#fff;font:700 12px/1 var(--f-body);place-items:center;min-width:0;display:grid;overflow:hidden}.ibar__track span:nth-child(n){border-right:2px solid var(--paper)}.ibar__track span:last-child{border-right:0}.ilegend{color:var(--ink-2);flex-wrap:wrap;gap:4px 14px;margin:0;padding:0;font-size:13px;list-style:none;display:flex}.ilegend li{align-items:center;gap:6px;display:inline-flex}.ilegend i{border-radius:3px;width:11px;height:11px;display:inline-block}.pipe{counter-reset:none;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.pipe__step{border-radius:var(--r-sm);border:1px solid var(--line);background:var(--paper);color:var(--ink-2);flex-direction:column;gap:6px;padding:14px 14px 12px;font-size:13.5px;line-height:1.45;display:flex;position:relative}.pipe__step strong{font:600 16px/1.25 var(--f-display);color:var(--forest)}.pipe__step em{font:700 11.5px/1.2 var(--f-body);text-transform:uppercase;letter-spacing:.07em;margin-top:auto;padding-top:6px;font-style:normal}.pipe__n{background:var(--forest);color:#fff;width:24px;height:24px;font:700 12.5px/1 var(--f-body);border-radius:50%;place-items:center;display:grid}.pipe__step--jev{background:var(--ad-blue-soft);border-color:#b6cde2}.pipe__step--jev em{color:#1d4468}.pipe__step--jev .pipe__n{background:var(--ad-blue)}.pipe__step--code em{color:var(--forest-2)}.ad-toc{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.ad-toc a{border:1.5px solid var(--line);background:var(--card);color:var(--forest);border-radius:999px;padding:6px 14px;font-size:14.5px;font-weight:600;text-decoration:none}.ad-toc a:hover{background:var(--moss);border-color:var(--moss-2)}.ad-panel>h3:first-child,.ad-mini h3{margin-top:0}.ad-panel .ad-grid{margin-bottom:20px}.ad-mini{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);padding:16px 18px}.ad-mini h3{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;font-size:18px;display:flex}.ad-sub{color:var(--muted);margin-top:2px;font-size:13px;display:block}.ad-list{color:var(--ink-2);gap:8px;margin:0 0 12px;padding-left:20px;font-size:15px;line-height:1.5;display:grid}.ad-list--num{margin-top:14px}.ad-code{background:var(--forest-3);color:#eaf1e4;border-radius:var(--r-sm);margin:14px 0 0;padding:14px 16px;font:13.5px/1.55 ui-monospace,SF Mono,Menlo,Consolas,monospace;overflow-x:auto}.ad-code code{color:inherit;font-size:inherit;background:0 0;padding:0}.ad-who{font:700 12.5px/1.6 var(--f-body);white-space:nowrap;border:1px solid #0000;border-radius:999px;padding:2px 10px;display:inline-block}.ad-who--jev{background:var(--ad-blue-soft);color:#1d4468;border-color:#b6cde2}.ad-who--code{background:var(--ad-ok-soft);color:#1f5030;border-color:#b7d6b8}.ad-who--team{background:var(--ad-warn-soft);color:#6d4700;border-color:#ecd394}.ad-tester{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:28px;margin:18px 0 8px;display:grid}.ad-tester__out{gap:16px;display:grid;position:sticky;top:132px}.ad-tester__live{z-index:5;background:var(--forest);color:#fff;box-shadow:var(--shadow-2);border-radius:999px;align-items:baseline;gap:10px;margin:0;padding:10px 16px;font-size:14px;display:none;position:sticky;bottom:12px}.ad-tester__live span{font:700 11.5px/1 var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:#f3c99b}.ad-tester__live strong{font:600 16px/1.2 var(--f-display)}.ad-presets{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.ad-chip{border:1.5px solid var(--line);background:var(--paper);font:600 14px/1.2 var(--f-body);color:var(--ink-2);cursor:pointer;border-radius:999px;padding:7px 14px}.ad-chip:hover{background:var(--moss);border-color:var(--moss-2)}.ad-chip[aria-pressed=true]{background:var(--forest);border-color:var(--forest);color:#fff}.ad-note--blurb{background:var(--paper);border-left:4px solid var(--forest-2);border-radius:0 8px 8px 0;padding:10px 14px}.ad-pair{grid-template-columns:1fr 1fr;gap:12px;margin-top:8px;display:grid}.ad-pair .ad-field select{width:100%}.ad-slider{margin-bottom:14px}.ad-slider.is-disabled{opacity:.5}.ad-slider__top{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.ad-slider__top label{color:var(--ink-2);font-size:14px;font-weight:700}.ad-slider__top output{font:600 15px/1 var(--f-body);font-variant-numeric:tabular-nums;color:var(--forest)}.ad-slider input[type=range]{width:100%;height:28px;accent-color:var(--forest-2);cursor:pointer;margin:2px 0 0}.ad-slider input[type=range]:disabled{cursor:not-allowed}.ad-slider__hint{color:var(--muted);margin:0;font-size:13px}.ad-scale{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);margin:0;padding:14px 16px 16px}.ad-scale figcaption{color:var(--ink-2);margin-bottom:10px;font-size:13.5px;font-weight:700}.ad-scale__track{background:var(--line-2);border-radius:8px;height:34px;position:relative;overflow:hidden}.ad-scale__band{font:700 12.5px/1 var(--f-body);border-right:2px solid var(--paper);white-space:nowrap;align-items:center;padding-left:10px;display:flex;position:absolute;top:0;bottom:0;overflow:hidden}.ad-scale__band--none{color:#4f4a3a;background:#e6dfcc}.ad-scale__band--subtle{background:var(--moss-2);color:var(--forest-3)}.ad-scale__band--strong{background:var(--forest-2);color:#fff;border-right:0}.ad-scale__marker{background:var(--rust);width:4px;transition:left .15s var(--ease);border-radius:2px;margin-left:-2px;position:absolute;top:-2px;bottom:-2px;box-shadow:0 0 0 2px #fff}.ad-scale__ticks{height:18px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:4px;font-size:12px;position:relative}.ad-scale__ticks span{position:absolute;transform:translate(-50%)}.ad-scale__ticks span:first-child{transform:none}.ad-scale__ticks span:last-child{transform:translate(-100%)}.ad-scale__text{color:var(--ink-2);margin:8px 0 0;font-size:13.5px;line-height:1.5}.ad-result{border:2px solid var(--forest-2);border-radius:var(--r);background:#fff;padding:18px 20px}.ad-result__title{font:600 26px/1.2 var(--f-display);color:var(--forest);margin:0 0 10px}.ad-result__opts{gap:8px;margin:10px 0 0;padding:0;list-style:none;display:grid}.ad-result__opts li{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:8px 12px;display:grid}.ad-result__opts span{color:var(--muted);font-size:13.5px}.ad-result__variant{background:var(--paper);border-radius:10px;margin-top:14px;padding:12px 14px}.ad-result__variant p{margin:0 0 4px}.ad-result h3{font:700 12px/1 var(--f-body);text-transform:uppercase;letter-spacing:.09em;color:var(--rust);margin:18px 0 8px}.ad-reasons{color:var(--ink-2);gap:6px;margin:0;padding-left:20px;font-size:14.5px;line-height:1.5;display:grid}.ad-group{margin-top:22px}.ad-group h3{margin:0 0 10px}.ad-table td.copy strong{font-weight:600;display:block}.ad-table td.copy span{color:var(--ink-2);margin-top:2px;font-size:13.5px;display:block}.ad-table td.copy .ad-cta{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.ad-cta em{font:600 12.5px/1.4 var(--f-body);background:var(--paper-2);border:1px solid var(--line);color:var(--ink-2);border-radius:999px;padding:1px 9px;font-style:normal}.ad-table tr.is-draft td{background:repeating-linear-gradient(135deg,#fff,#fff 10px,#f8f4ea 10px 20px)}.ad-table tr.is-draft td.copy strong{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1px}.ad-principles{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 0;padding:0;list-style:none;display:grid}.ad-principles li{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);grid-template-columns:36px 1fr;gap:12px;padding:16px 18px;display:grid}.ad-principles__n{background:var(--forest);color:#fff;width:32px;height:32px;font:700 14px/1 var(--f-body);border-radius:50%;place-items:center;display:grid}.ad-principles h3{margin:2px 0 6px;font-size:17px}.ad-principles p{color:var(--ink-2);margin:0 0 8px;font-size:14.5px;line-height:1.55}.ad-principles__rule{font-weight:500;color:var(--ink)!important}.ad-principles__where{overflow-wrap:anywhere;color:var(--muted)!important;margin-bottom:0!important;font-size:12.5px!important}.ad-chart{margin:0}.ad-chart figcaption{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;margin-bottom:8px;font-size:15px;display:flex}.ad-chart__legend{color:var(--ink-2);gap:18px;margin:0;padding:0;font-size:13.5px;list-style:none;display:flex}.ad-chart__legend li{align-items:center;gap:8px;display:inline-flex}.ad-chart__plot{touch-action:pan-y;border-radius:10px;position:relative}.ad-chart__plot svg{width:100%;height:auto;display:block;overflow:visible}.ad-chart__grid{stroke:var(--line-2);stroke-width:1px}.ad-chart__axis{stroke:#b9ad92;stroke-width:1.5px}.ad-chart__tick{font:12px var(--f-body);fill:var(--muted);font-variant-numeric:tabular-nums}.ad-chart__label{font:700 12.5px var(--f-body);fill:var(--ink-2)}.ad-chart__cross{stroke:var(--ink-2);stroke-width:1px;stroke-dasharray:2 3}.ad-chart__tip{border:1px solid var(--line);min-width:140px;box-shadow:var(--shadow-2);pointer-events:none;z-index:2;background:#fff;border-radius:10px;gap:2px;padding:8px 12px;font-size:13px;display:grid;position:absolute;top:4px;transform:translate(-50%)}.ad-chart__tip span{align-items:center;gap:7px;display:flex}.ad-chart__tip b{font-variant-numeric:tabular-nums;margin-left:auto}.ad-chart__tip i{border-radius:50%;width:10px;height:10px;display:inline-block}.ad-chart__tip i.sq{border-radius:2px}.ad-chart__table{margin-top:12px;font-size:14.5px}.ad-chart__table summary{cursor:pointer;color:var(--forest);padding:4px 0;font-weight:600}.ad-funnel{gap:12px;margin:8px 0 0;padding:0;list-style:none;display:grid}.ad-funnel__row{justify-content:space-between;gap:12px;margin-bottom:4px;font-size:14.5px;display:flex}.ad-funnel__row b{font-variant-numeric:tabular-nums}.ad-funnel__row small{color:var(--muted);margin-left:4px;font-weight:400}.ad-funnel__track{background:var(--line-2);border-radius:4px;height:12px;overflow:hidden}.ad-funnel__bar{border-radius:0 4px 4px 0;height:100%;display:block}.ad-funnel__bar--control{background:#2a78d6}.ad-funnel__bar--adaptive{background:#eb6834}.ad-guard{gap:12px;margin:0;padding:0;list-style:none;display:grid}.ad-guard li{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);grid-template-columns:112px 1fr;align-items:start;gap:14px;padding:12px 14px;display:grid}.ad-guard p{color:var(--ink-2);margin:2px 0 0;font-size:14.5px;line-height:1.5}@media (max-width:1040px){.pipe{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:900px){.ad-grid,.ad-grid--3,.ad-import,.ad-tester,.ad-principles{grid-template-columns:minmax(0,1fr)}.ad-tester__out{position:static}.ad-tester__live{display:flex}}@media (max-width:640px){.ad-wrap{padding-inline:16px}.ad-main{gap:18px;padding-block:24px 72px}.ad-panel{padding:18px 16px}.ad-header .brand em{display:none}.ad-tabs a{padding-inline:11px;font-size:14.5px}.ad-back{font-size:13.5px}.ad-dl>div{grid-template-columns:1fr;gap:2px}.pipe{grid-template-columns:minmax(0,1fr)}.prof__head{flex-direction:column}.ad-pair{grid-template-columns:minmax(0,1fr);gap:0}.ad-guard li{grid-template-columns:1fr;gap:6px}.ad-result__title{font-size:22px}.ad-principles li{grid-template-columns:30px 1fr;padding:14px}}@media (prefers-reduced-motion:reduce){.ad *,.ad :before,.ad :after{transition:none!important;animation:none!important}}