:root{
  --bg:#f5f0df;
  --bg-alt:#e9e1c9;
  --bg-dark:#2f2a1e;
  --ink:#241f16;
  --ink-2:#736b55;
  --ink-inv:#f5f0df;
  --accent:#8a6a1f;
  --accent-2:#4a6b52;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:28px;
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

img{max-width:100%}

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0}
h1{font-size:clamp(2.05rem,4.9vw,3.35rem);line-height:1.05;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.7vw,2.05rem);line-height:1.1;margin-bottom:18px}
h3{font-size:1.18rem;line-height:1.25;margin:34px 0 10px}
p{margin:0 0 20px}
p:last-child{margin-bottom:0}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px;position:relative}

.g{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gap);row-gap:var(--gap)}

.c-full{grid-column:1/-1}
.c-mid6{grid-column:4/span 6}
.c-mid8{grid-column:3/span 8}
.c-side-l{grid-column:1/span 3}
.c-side-r{grid-column:10/span 3}
.c-sym-l{grid-column:3/span 4}
.c-sym-r{grid-column:7/span 4}
.c-narr{grid-column:1/span 7}
.c-narr-r{grid-column:6/span 7}
.c-img{grid-column:1/span 4}
.c-txt{grid-column:6/span 6}

.s64{padding-block:64px}
.s80{padding-block:80px}
.s96{padding-block:96px}

.band-alt{background:var(--bg-alt)}
.band-dark{background:var(--bg-dark);color:var(--ink-inv)}
.band-dark h2,.band-dark h3{color:var(--ink-inv)}
.band-dark a{color:#d9c185}
.band-dark .caption,.band-dark .snum{color:#b6ac8f}
.band-dark .arc{border-top-color:#7d8f7f}
.band-dark :focus-visible{outline-color:#d9c185}

.center{text-align:center}

.lead{font-size:19px;line-height:1.75}

.caption{font-size:13px;line-height:1.6;color:var(--ink-2)}

.snum{display:block;font-size:13px;line-height:1.4;color:var(--accent-2);margin-bottom:10px}

.arc{width:min(340px,66%);height:26px;margin:0 auto;border-top:1px solid var(--accent-2);border-radius:220px 220px 0 0}

.rule-arc{margin-bottom:44px}

.check,.steps{list-style:none;padding:0;margin:0}
.check li{position:relative;padding-left:24px;margin-bottom:12px}
.check li::before{content:"";position:absolute;left:0;top:.82em;width:8px;height:8px;border:1px solid var(--accent)}
.band-dark .check li::before{border-color:#d9c185}

.steps{counter-reset:step}
.steps li{position:relative;padding-left:44px;margin-bottom:22px}
.steps li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:.42em;
  font-size:13px;line-height:1;color:var(--accent-2);
  font-family:var(--serif);letter-spacing:.04em;
}
.steps strong{font-weight:600}

/* ---------- masthead ---------- */
.masthead{padding:26px 0 22px;border-bottom:1px solid rgba(115,107,85,.28)}
.brand{display:block;text-align:center;font-family:var(--serif);font-size:1.28rem;letter-spacing:.02em;color:var(--ink);text-decoration:none}
.brand span{display:block;font-family:var(--sans);font-size:12px;letter-spacing:.02em;color:var(--ink-2);margin-top:4px}
.nav{margin-top:16px}
.nav ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;margin:0;padding:0}
.nav li{display:flex;align-items:center}
.nav li+li::before{content:"";width:1px;height:12px;background:rgba(115,107,85,.45);margin:0 13px}
.nav a{font-size:15px;color:var(--ink);text-decoration:none;padding:3px 0;border-bottom:1px solid transparent}
.nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.nav a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent)}

/* ---------- hero ---------- */
.hero{padding-block:72px 64px}
.hero .wrap::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;
  background:linear-gradient(to bottom,rgba(138,106,31,.75),rgba(138,106,31,.05));
}
.hero h1{margin-bottom:26px}
.hero .side{font-size:15px;line-height:1.7;color:var(--ink-2)}
.hero .side h2{font-family:var(--sans);font-size:13px;line-height:1.5;color:var(--accent-2);margin-bottom:8px}
.hero .side p{margin-bottom:0}

/* ---------- figures ---------- */
.fig-main{grid-column:1/-1;margin:0;text-align:center}
.fig-main img{display:block;width:100%;max-width:680px;height:auto;margin:0 auto}
.fig-main figcaption{max-width:520px;margin:16px auto 0}

.fig-detail{margin:0}
.fig-detail img{display:block;width:100%;height:auto}
.fig-detail figcaption{margin-top:14px}

/* ---------- contact ---------- */
.mailrow{font-family:var(--serif);font-size:1.2rem}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-alt);padding:56px 0 48px;text-align:center;border-top:1px solid rgba(115,107,85,.25)}
.site-footer .fname{font-family:var(--serif);font-size:1.25rem;margin:26px 0 18px}
.site-footer .nav{margin-top:0}
.site-footer .fmail{margin:20px 0 10px}
.site-footer .fnote{max-width:560px;margin:0 auto}

@media (max-width:900px){
  .c-mid6,.c-mid8,.c-side-l,.c-side-r,.c-sym-l,.c-sym-r,.c-narr,.c-narr-r,.c-img,.c-txt{grid-column:1/-1}
  .hero .side{border-top:1px solid rgba(115,107,85,.3);padding-top:16px}
}

@media (max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .hero{padding-block:44px 40px}
  .hero .wrap::before{display:none}
  .lead{font-size:17px}
  .s64{padding-block:40px}
  .s80{padding-block:48px}
  .s96{padding-block:56px}
  .rule-arc{margin-bottom:32px}
  .nav li+li::before{margin:0 9px}
  .nav a{font-size:14px}
  .site-footer{padding:40px 0 36px}
}