:root{--ink:#16202b;--muted:#5d6b62;--line:#dfe5df;--bg:#f7f8f4;--card:#fff;--brand:#1f4e79;--brand2:#e7eef6;--warn:#fff7e0;--warnline:#f0d98a}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}h1{font-size:2.1rem;line-height:1.15;margin:.3em 0 .4em;letter-spacing:-.01em}h2{font-size:1.5rem;margin:0 0 .8em}h3{margin:.2em 0 .5em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:820px}.sec{padding:48px 20px}
.top{background:#fff;border-bottom:1px solid var(--line)}.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;color:var(--ink);text-decoration:none;font-size:1.15rem}.mark{color:var(--brand)}
.top nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:.95rem}.top nav a.btn{color:#fff}
@media(max-width:720px){.top nav a:not(.btn){display:none}h1{font-size:1.7rem}}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:12px 20px;font-weight:650;font-size:1rem;text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.08)}.btn.sm{padding:7px 12px;font-size:.9rem}.btn.big{padding:15px 26px;font-size:1.1rem}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn[disabled]{opacity:.5;cursor:not-allowed}
.link{background:none;border:0;color:var(--brand);text-decoration:underline;cursor:pointer;font:inherit;padding:0}
.hero{padding:56px 0 40px;background:linear-gradient(180deg,#fff, var(--bg))}.two{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start}
@media(max-width:860px){.two{grid-template-columns:1fr}}
.eyebrow{color:var(--brand);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;margin:0}
.lead{font-size:1.12rem;color:#2c3a31}.muted{color:var(--muted)}.small{font-size:.88rem}
.cta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:22px 0}
.ticks{list-style:none;padding:0}.ticks li{padding-left:26px;position:relative;margin:7px 0}.ticks li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin:0 0 18px}
.card.warn{background:var(--warn);border-color:var(--warnline)}
.stack .doc{border-top:1px solid var(--line);padding:12px 0}.stack .doc b{display:block}.stack .doc span{color:var(--muted);font-size:.92rem}
.band{background:var(--ink);color:#fff;padding:26px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stats b{display:block;font-size:1.6rem}.stats span{color:#c8d3cb;font-size:.9rem}@media(max-width:720px){.stats{grid-template-columns:1fr 1fr}}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:860px){.grid3,.grid2{grid-template-columns:1fr}}
.steps li{margin:10px 0}.price .big{font-size:2.6rem;font-weight:800;margin:.1em 0}.price .big span{font-size:1rem;color:var(--muted);font-weight:500}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:10px 0}.faq summary{font-weight:650;cursor:pointer}
.foot{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.88rem;margin-top:40px}
.progress{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:26px 0 8px}
.progress li a{display:block;padding:6px 11px;border-radius:20px;background:#eef1ec;color:var(--muted);text-decoration:none;font-size:.85rem}
.progress li.done a{background:var(--brand2);color:var(--brand)}.progress li.on a{background:var(--brand);color:#fff}
.form{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin:18px 0}
.field{margin:8px 0}.field.full,.actions{grid-column:1/-1}@media(max-width:640px){.form{grid-template-columns:1fr}.field.half{grid-column:1/-1}}
label{font-weight:600;font-size:.94rem;display:block;margin-bottom:4px}.req{color:#b5462f}
input,select,textarea{width:100%;font:inherit;padding:10px 11px;border:1px solid #cdd5cd;border-radius:8px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #9cc5a3;border-color:var(--brand)}
.help{color:var(--muted);font-size:.84rem;margin:4px 0 0}
.radios,.checks{display:flex;flex-wrap:wrap;gap:6px 16px}.radios label,.checks label{font-weight:450;display:flex;gap:6px;align-items:center}
.radios input,.checks input{width:auto}.checks label{min-width:46%}
.rows .row{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-bottom:6px}#pilot-rows .row{grid-template-columns:2fr 1.5fr 1fr 1.3fr}
@media(max-width:760px){.rows .row,#pilot-rows .row{grid-template-columns:1fr 1fr}}
.lookup{display:flex;gap:8px;align-items:center;margin-bottom:10px}.lookup input{max-width:260px}
.actions{display:flex;justify-content:space-between;gap:10px;margin-top:14px}
.sum{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;margin:0}.sum dt{color:var(--muted)}.sum dd{margin:0}
.attest{font-weight:450;display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}.attest input{width:auto;margin-top:4px}
.kit{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}@media(max-width:640px){.kit{grid-template-columns:1fr}}
.kitdoc{border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:8px}.lock{color:var(--muted);font-size:.9rem}
.preview p{margin:.5em 0}.preview .pre{white-space:pre-line}.fade{color:var(--muted);border-top:1px dashed var(--line);padding-top:10px;margin-top:12px;font-size:.9rem}
.toc{color:var(--muted);font-size:.92rem}.inline{display:inline}
.spinner{width:28px;height:28px;border:3px solid var(--brand2);border-top-color:var(--brand);border-radius:50%;animation:s 1s linear infinite}@keyframes s{to{transform:rotate(360deg)}}
.t{border-collapse:collapse;font-size:.9rem}.t td,.t th{border:1px solid var(--line);padding:5px 8px;text-align:left}
code{background:#eef1ec;padding:1px 5px;border-radius:4px;font-size:.85em;word-break:break-all}
/* v4: landing, guides, a11y */
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:9}.skip:focus{left:8px}
.logo{display:flex;align-items:center;gap:9px}.logo img{display:block}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:3px solid #9cc5a3;outline-offset:2px}
.steps.big{padding-left:22px}.steps.big li{margin:12px 0;padding-left:4px}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:#fff}
.cmp{width:100%;border-collapse:collapse;min-width:620px}.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp thead th{background:#f1f4ef;font-size:.92rem}.cmp thead th:nth-child(2),.cmp td:nth-child(2){background:var(--brand2)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}.cmp tbody th{font-weight:600;color:#2c3a31;width:28%}
.srclist{columns:2;column-gap:28px;padding-left:18px}.srclist li{margin:0 0 8px;break-inside:avoid}@media(max-width:720px){.srclist{columns:1}}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:1.05rem;margin:0;font-weight:650}.faq summary:after{content:"+";color:var(--brand);font-weight:800;font-size:1.2rem}
.faq details[open] summary:after{content:"–"}.faq details p{margin:.7em 0 0}.src{font-size:.85rem;color:var(--muted)}
.cta-card{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:var(--ink);color:#fff;border:0}
.cta-card h2{margin:0 0 .3em;color:#fff}.cta-card p{margin:0;color:#c8d3cb}.cta-card a:not(.btn){color:#ffc999}
.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}@media(max-width:720px){.footgrid{grid-template-columns:1fr}}
.foot a{color:var(--muted)}
.guide h2{margin-top:1.6em}.guide .t{width:100%;margin:10px 0}.crumbs{color:var(--muted)}.crumbs a{color:var(--muted)}
.cols{columns:3;column-gap:20px}@media(max-width:640px){.cols{columns:2}}
@media(max-width:720px){.hero{padding:32px 0 24px}.sec{padding:36px 20px}.btn.big{width:100%;text-align:center}}
.progress li span{display:block;padding:6px 11px;border-radius:20px;background:#eef1ec;color:var(--muted);font-size:.85rem}.progress li.on span{background:var(--brand);color:#fff}
/* v2: conditional form, prefill, uploads, preview */
[hidden]{display:none!important}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.tag{display:inline-block;font-size:.72rem;font-weight:600;background:var(--brand2);color:var(--brand);border-radius:10px;padding:1px 8px;margin-left:6px;vertical-align:middle}
.prefill{margin:12px 0 0}.prefill label{font-weight:650;display:block;margin-bottom:6px}.prefill .lookup{display:flex;gap:8px;flex-wrap:wrap}.prefill input{flex:1;min-width:200px}
details.adv{border-top:1px dashed var(--line);margin-top:10px;padding-top:10px}details.adv summary{cursor:pointer;font-weight:650;color:var(--brand);padding:4px 0}
.advgrid{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;margin-top:8px}@media(max-width:720px){.advgrid{grid-template-columns:1fr}}
.field.cond{animation:fadein .2s ease}@keyframes fadein{from{opacity:0}to{opacity:1}}
.upload{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:8px}
table.sugg{width:100%;border-collapse:collapse;margin:8px 0 14px;font-size:.95rem}table.sugg th{text-align:left;font-size:.8rem;color:var(--muted);font-weight:600;padding:4px 6px}
table.sugg td{border-top:1px solid var(--line);padding:6px;vertical-align:top}table.sugg td input:not([type=checkbox]){width:100%}
table.sugg tr.low td{background:var(--warn)}.warnline{display:block;color:#8a6500;margin-top:2px}
.card.focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand2)}
.hl-fill{background:#fff200;padding:0 4px;border-radius:3px;font-weight:650}.hl-grant{background:#bfefff;padding:0 4px;border-radius:3px;font-weight:650}
ul.checklist{padding-left:1.1em}ul.checklist li{margin:.35em 0}ul.cols{columns:2;column-gap:24px;padding-left:1.1em;font-size:.92rem}@media(max-width:720px){ul.cols{columns:1}}
.rows.items .itemrow{display:grid;grid-template-columns:70px 90px 1.4fr 1fr 1fr 1fr;gap:6px;padding:10px;border:1px solid var(--line);border-radius:10px;margin:0 0 10px;background:#fff}
.rows.items .itemrow .wide{grid-column:1/-1}.rows.items .itemrow select[name$="[dispute]"],.rows.items .itemrow select[name$="[abated]"]{grid-column:span 3}
.rows.items .itemrow select[name$="[quick_fix]"]{grid-column:1/-1}.rows.items .itemrow.low{background:var(--warn)}
@media(max-width:720px){.rows.items .itemrow{grid-template-columns:1fr 1fr}.rows.items .itemrow select[name$="[dispute]"],.rows.items .itemrow select[name$="[abated]"]{grid-column:1/-1}}
.card p label input[type=checkbox]{width:auto;display:inline;margin-right:6px;vertical-align:middle}