/* ============================================================
   Site stylesheet
   Palette: granite + bronze — materials from the subject itself.
   ============================================================ */

:root{
  --granite:#3C4650;
  --granite-deep:#2B333B;
  --paper:#F2F3F1;
  --stone:#D6D8D3;
  --hair:#EBECE9;
  --bronze:#8A6A3B;
  --bronze-lift:#9C7942;
  --moss:#4F6350;
  --rust:#8C4A3A;
  --muted:#6B7580;
  --body:#4A545E;
  --white:#fff;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--sans);
  color:var(--granite-deep);
  background:var(--paper);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:44rem;margin:0 auto;padding:0 1.5rem;}

/* ---------- masthead ---------- */
.masthead{border-bottom:1px solid var(--stone);background:var(--white);}
.masthead .wrap{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:1.5rem;padding-top:1.125rem;padding-bottom:1.125rem;flex-wrap:wrap;
}
.brand{
  font-family:var(--serif);font-size:1.25rem;font-weight:600;
  color:var(--granite-deep);text-decoration:none;letter-spacing:-.01em;
}
.brand:hover{color:var(--bronze);}
.masthead nav{display:flex;gap:1.25rem;}
.masthead nav a{
  font-size:.9375rem;color:var(--muted);text-decoration:none;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.masthead nav a:hover,.masthead nav a[aria-current="page"]{
  color:var(--granite-deep);border-bottom-color:var(--bronze);
}

/* ---------- type ---------- */
main{padding:2.5rem 0 3rem;}
h1{
  font-family:var(--serif);font-size:2rem;font-weight:600;line-height:1.2;
  letter-spacing:-.015em;margin:0 0 .875rem;
}
h2{
  font-family:var(--serif);font-size:1.5rem;font-weight:600;line-height:1.25;
  margin:2.5rem 0 .875rem;letter-spacing:-.01em;
}
p{font-family:var(--serif);font-size:1.0625rem;line-height:1.65;color:var(--body);
  margin:0 0 1rem;max-width:36rem;}
.lede{font-size:1.125rem;line-height:1.6;margin-bottom:2rem;}
b,strong{color:var(--granite-deep);font-weight:600;}
ul{margin:0 0 1.25rem;padding-left:1.125rem;max-width:36rem;}
li{font-family:var(--serif);font-size:1.0625rem;line-height:1.6;
  margin-bottom:.625rem;color:var(--body);}
a{color:var(--granite);}

/* ---------- shared blocks ---------- */
.panel{background:var(--white);padding:1.75rem 1.5rem;margin-bottom:1.5rem;}
.panel h3{font-family:var(--sans);font-size:.9375rem;font-weight:600;
  margin:0 0 .875rem;color:var(--granite);}
.panel ul{margin:0;padding-left:1.125rem;}
.panel li{font-size:1rem;margin-bottom:.5rem;}
.panel li:last-child{margin-bottom:0;}

.dark{background:var(--granite-deep);color:#C4C9CE;padding:1.75rem 1.5rem;margin:2.5rem 0;}
.dark h3{font-family:var(--serif);font-size:1.375rem;font-weight:600;
  margin:0 0 .625rem;color:var(--white);line-height:1.3;}
.dark p{color:#C4C9CE;margin:0 0 1.25rem;}

a.cta{
  display:inline-block;font-family:var(--sans);font-size:1.0625rem;font-weight:600;
  background:var(--bronze);color:var(--white);padding:.875rem 1.5rem;text-decoration:none;
}
a.cta:hover{background:var(--bronze-lift);}
a.cta:focus-visible{outline:2px solid var(--white);outline-offset:2px;}

.flag{border-left:3px solid var(--rust);background:var(--white);
  padding:1.25rem 1.375rem;margin:2rem 0;}
.flag h3{font-family:var(--sans);font-size:.9375rem;font-weight:600;
  margin:0 0 .5rem;color:var(--rust);}
.flag p{margin:0;font-size:1rem;}

.fine{font-size:.875rem;font-family:var(--sans);line-height:1.6;color:var(--muted);
  border-top:1px solid var(--stone);padding-top:1.25rem;margin-top:2.5rem;max-width:36rem;}
.fine a{color:var(--granite);}

/* ---------- home cards ---------- */
.tools{display:grid;gap:1rem;margin:2rem 0 0;}
a.tool{
  display:block;background:var(--white);border-left:3px solid var(--bronze);
  padding:1.5rem;text-decoration:none;color:inherit;
  transition:border-left-width .15s ease;
}
a.tool:hover{border-left-width:7px;}
a.tool:focus-visible{outline:2px solid var(--bronze);outline-offset:2px;}
a.tool h2{margin:0 0 .5rem;font-size:1.3125rem;}
a.tool p{margin:0;font-size:1rem;}

/* ---------- wizard (VA tool) ---------- */
.rail{display:flex;gap:.375rem;margin-bottom:.5rem;}
.rail i{display:block;height:3px;flex:1;background:var(--stone);transition:background .25s ease;}
.rail i.on{background:var(--bronze);}
.railtext{font-family:var(--sans);font-size:.8125rem;color:var(--muted);margin:0 0 1.5rem;}

/* Reserve height for JS-rendered content so content below never shifts (CLS) */
#vahc-stage{min-height:29rem;}
#vaic-out{min-height:31rem;}
.q{font-family:var(--serif);font-size:1.75rem;line-height:1.25;font-weight:600;
  margin:0 0 .625rem;letter-spacing:-.01em;}
.sub{font-family:var(--serif);font-size:1.0625rem;line-height:1.55;color:#5A646E;
  margin:0 0 1.75rem;max-width:34rem;}
.opts{display:flex;flex-direction:column;gap:.625rem;}
button.opt{
  font-family:var(--sans);font-size:1.0625rem;font-weight:500;text-align:left;
  background:var(--white);color:var(--granite-deep);
  border:1px solid var(--stone);border-left:3px solid var(--stone);
  padding:1rem 1.125rem;cursor:pointer;line-height:1.4;
  transition:border-color .15s ease;
}
button.opt small{display:block;font-size:.875rem;font-weight:400;color:var(--muted);margin-top:.25rem;}
button.opt:hover{border-color:var(--granite);border-left-color:var(--bronze);}
button.opt:focus-visible{outline:2px solid var(--bronze);outline-offset:2px;}
button.back{
  margin-top:2rem;background:none;border:none;padding:0;cursor:pointer;
  font-family:var(--sans);font-size:.9375rem;color:var(--muted);
  border-bottom:1px solid var(--stone);
}
button.back:hover{color:var(--granite-deep);border-bottom-color:var(--granite);}
button.restart{
  margin-top:1.5rem;background:none;border:1px solid var(--stone);
  padding:.75rem 1.25rem;cursor:pointer;font-family:var(--sans);
  font-size:.9375rem;color:var(--granite);
}
button.restart:hover{border-color:var(--granite);}

.verdict{border-top:4px solid var(--moss);background:var(--white);
  padding:1.75rem 1.5rem;margin-bottom:1.5rem;}
.verdict.no{border-top-color:var(--rust);}
.verdict.maybe{border-top-color:var(--bronze);}
.verdict h2{font-family:var(--serif);font-size:1.625rem;font-weight:600;
  line-height:1.25;margin:0 0 .625rem;letter-spacing:-.01em;}
.verdict p{font-size:1.0625rem;margin:0 0 .875rem;}
.verdict p:last-child{margin-bottom:0;}

/* ---------- estimator ---------- */
.calc{background:var(--white);padding:1.75rem 1.5rem;margin-bottom:2rem;}
.calc h2{margin:0 0 .375rem;font-size:1.375rem;}
.calc p.hint{font-size:.9375rem;font-family:var(--sans);color:var(--muted);margin:0 0 1.5rem;}
fieldset{border:none;margin:0 0 1.375rem;padding:0;}
legend{font-family:var(--sans);font-size:.9375rem;font-weight:600;
  color:var(--granite);padding:0;margin-bottom:.625rem;}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;}
.chips label{
  font-size:.9375rem;font-weight:500;border:1px solid var(--stone);
  background:var(--white);padding:.625rem .875rem;cursor:pointer;line-height:1.3;
  transition:border-color .15s ease;
}
.chips input{position:absolute;opacity:0;width:0;height:0;}
.chips label:hover{border-color:var(--granite);}
.chips label:has(input:checked){
  background:var(--granite-deep);border-color:var(--granite-deep);color:var(--white);
}
.chips input:focus-visible + span{outline:2px solid var(--bronze);outline-offset:4px;}

.out{border-top:4px solid var(--bronze);background:var(--white);padding:1.75rem 1.5rem;}
.total{font-family:var(--serif);font-size:2.25rem;font-weight:600;line-height:1.1;
  letter-spacing:-.02em;margin:0 0 .25rem;color:var(--granite-deep);}
.total span{font-size:1rem;font-weight:400;color:var(--muted);display:block;
  font-family:var(--sans);letter-spacing:0;margin-top:.375rem;}
table{width:100%;border-collapse:collapse;margin:1.5rem 0 0;font-size:.9375rem;}
th{text-align:left;font-family:var(--sans);font-weight:600;font-size:.8125rem;
  color:var(--muted);padding:0 0 .625rem;border-bottom:1px solid var(--stone);}
th:last-child{text-align:right;}
td{padding:.75rem 0;border-bottom:1px solid var(--hair);vertical-align:top;color:var(--body);}
td:last-child{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums;
  color:var(--granite-deep);font-weight:500;}
td small{display:block;color:#8A939C;font-size:.8125rem;margin-top:.1875rem;}
tr.zero td{color:#9AA2AA;}
.note{font-size:.9375rem;font-family:var(--sans);color:var(--muted);line-height:1.6;
  margin:1.25rem 0 0;padding-top:1.25rem;border-top:1px solid var(--stone);}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--stone);background:var(--white);
  padding:2rem 0;margin-top:3rem;}
footer p{font-family:var(--sans);font-size:.875rem;color:var(--muted);
  margin:0 0 .5rem;max-width:40rem;}
footer nav{display:flex;gap:1.25rem;flex-wrap:wrap;margin-bottom:1rem;}
footer nav a{font-size:.875rem;color:var(--granite);text-decoration:none;}
footer nav a:hover{text-decoration:underline;}

@media (max-width:600px){
  .wrap{padding:0 1.125rem;}
  h1{font-size:1.625rem;}
  .q{font-size:1.4375rem;}
  .total{font-size:1.875rem;}
  .verdict h2{font-size:1.375rem;}
  .chips label{font-size:.875rem;padding:.5625rem .75rem;}
  .masthead .wrap{gap:.75rem;}
  #vahc-stage{min-height:33rem;}
  #vaic-out{min-height:36rem;}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;}}

/* ---------- direct-answer block (GEO: extractable by AI engines) ---------- */
.answer{
  border-left:3px solid var(--bronze);
  background:var(--white);
  padding:1.125rem 1.375rem;
  margin:0 0 1.5rem;
  max-width:38rem;
}
.answer p{margin:0;font-size:1.0625rem;line-height:1.6;color:var(--granite-deep);}
.answer p + p{margin-top:.75rem;}

/* ---------- breadcrumb ---------- */
.crumb{font-family:var(--sans);font-size:.875rem;color:var(--muted);margin:0 0 1rem;}
.crumb a{color:var(--muted);text-decoration:none;}
.crumb a:hover{color:var(--granite-deep);text-decoration:underline;}

/* ---------- related links ---------- */
.related{border-top:1px solid var(--stone);margin-top:2.5rem;padding-top:1.5rem;}
.related h2{font-size:1.25rem;margin:0 0 .875rem;}
.related ul{list-style:none;padding:0;margin:0;}
.related li{margin-bottom:.5rem;font-size:1rem;}
.related a{color:var(--granite-deep);}

/* ---------- fact table ---------- */
table.facts{margin:1.5rem 0;max-width:38rem;}
table.facts td:first-child{width:40%;font-weight:500;color:var(--granite-deep);}
table.facts td:last-child{text-align:left;white-space:normal;font-weight:400;color:var(--body);}

/* ---------- screen-reader only ---------- */
.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;
}

/* ---------- skip link ---------- */
.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--granite-deep);color:var(--white);
  padding:.75rem 1.25rem;font-family:var(--sans);font-size:.9375rem;
  text-decoration:none;
}
.skip:focus{left:0;}

/* ---------- document tables ---------- */
table.docs{margin:1rem 0 2rem;max-width:38rem;}
table.docs td:first-child{
  width:34%;vertical-align:top;font-family:var(--sans);font-size:.875rem;
  font-weight:600;color:var(--granite-deep);white-space:normal;
}
table.docs td:last-child{
  text-align:left;white-space:normal;font-weight:400;color:var(--body);
  font-family:var(--serif);font-size:1rem;line-height:1.5;
}
table.docs td small{
  display:block;font-family:var(--sans);font-size:.8125rem;
  color:var(--muted);margin-top:.375rem;line-height:1.5;
}
h3{
  font-family:var(--sans);font-size:1rem;font-weight:600;
  color:var(--granite);margin:2rem 0 .5rem;
  padding-bottom:.375rem;border-bottom:1px solid var(--stone);
  max-width:38rem;
}
@media (max-width:600px){
  table.docs td:first-child{width:40%;font-size:.8125rem;}
  table.docs td:last-child{font-size:.9375rem;}
}

/* ---------- ordered list ---------- */
ol{margin:0 0 1.5rem;padding-left:1.375rem;max-width:36rem;}
ol li{
  font-family:var(--serif);font-size:1.0625rem;line-height:1.6;
  margin-bottom:.75rem;color:var(--body);padding-left:.25rem;
}
ol li::marker{font-family:var(--sans);font-weight:600;color:var(--bronze);font-size:.9375rem;}

/* ---------- fact table row headers ---------- */
table.facts th[scope="row"]{
  width:40%;text-align:left;padding:.75rem 1rem .75rem 0;
  border-bottom:1px solid var(--hair);vertical-align:top;
  font-family:var(--sans);font-size:.9375rem;font-weight:600;
  color:var(--granite-deep);
}

/* ---------- main focus ring suppressed (skip-link target) ---------- */
main:focus{outline:none;}

/* ---------- figures ----------
   Diagrams break out of the 44rem reading column. Prose wants a short
   line; a diagram wants room. Capped at 62rem so it stays legible. */
figure.fig{
  margin:2.5rem 0;
  padding:0;
  width:min(62rem, calc(100vw - 3rem));
  margin-left:calc(50% - min(31rem, calc(50vw - 1.5rem)));
}
figure.fig picture,figure.fig img{display:block;}
figure.fig img{
  width:100%;height:auto;
  background:var(--paper);
  border:1px solid var(--stone);
}
figure.fig figcaption{
  font-family:var(--sans);
  font-size:.875rem;
  line-height:1.6;
  color:var(--muted);
  margin-top:.75rem;
  max-width:36rem;
}
figure.fig figcaption{
  margin-left:auto;margin-right:auto;
  max-width:44rem;
}

@media (max-width:900px){
  figure.fig{
    width:calc(100vw - 2.25rem);
    margin-left:calc(50% - 50vw + 1.125rem);
  }
}
@media (max-width:600px){
  figure.fig{
    width:100vw;
    margin-left:calc(50% - 50vw);
    margin-top:1.75rem;margin-bottom:1.75rem;
  }
  figure.fig img{border-left:none;border-right:none;}
  figure.fig figcaption{padding:0 1.125rem;}
}

/* ---------- interactive checklist ---------- */
.tool{background:var(--white);padding:1.75rem 1.5rem;margin:1.5rem 0 2rem;}

.prog{margin-bottom:1.5rem;}
.prog-bar{height:4px;background:var(--stone);overflow:hidden;}
.prog-bar i{display:block;height:100%;background:var(--bronze);transition:width .3s ease;}
.prog-text{font-family:var(--sans);font-size:.8125rem;color:var(--muted);margin:.5rem 0 0;}

ol.checks{list-style:none;margin:0;padding:0;counter-reset:none;max-width:none;}
ol.checks li{margin:0;padding:0;border-top:1px solid var(--hair);}
ol.checks li:first-child{border-top:none;}
ol.checks label{
  display:flex;gap:.875rem;align-items:flex-start;
  padding:1rem 0;cursor:pointer;
}
ol.checks input{position:absolute;opacity:0;width:0;height:0;}
ol.checks .box{
  flex:0 0 20px;width:20px;height:20px;margin-top:2px;
  border:2px solid var(--stone);background:var(--white);
  transition:border-color .15s ease,background .15s ease;
}
ol.checks label:hover .box{border-color:var(--granite);}
ol.checks input:focus-visible + .box{outline:2px solid var(--bronze);outline-offset:3px;}
ol.checks li.on .box{
  background:var(--moss);border-color:var(--moss);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path d='M5 10.5l3.5 3.5L15 7' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-size:contain;
}
ol.checks .txt{flex:1;}
ol.checks .txt b{
  display:block;font-family:var(--sans);font-size:1.0625rem;font-weight:600;
  color:var(--granite-deep);line-height:1.35;
}
ol.checks .txt small{
  display:block;font-family:var(--serif);font-size:1rem;line-height:1.55;
  color:var(--body);margin-top:.3125rem;
}
ol.checks li.on .txt b{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1px;}
ol.checks li.on .txt small{color:#8A939C;}
ol.checks .txt a{color:var(--bronze);font-family:var(--sans);font-size:.9375rem;
  text-decoration:none;white-space:nowrap;}
ol.checks .txt a:hover{text-decoration:underline;}

.done-note{
  font-family:var(--serif);font-size:1.0625rem;line-height:1.6;
  color:var(--granite-deep);margin:1.25rem 0 0;padding-top:1.25rem;
  border-top:2px solid var(--moss);
}

/* ---------- legal nav in footer ---------- */
footer nav.legal-nav{
  margin-top:1rem;padding-top:1rem;
  border-top:1px solid var(--hair);
}
footer nav.legal-nav a{color:var(--muted);}