:root{
  --bg:#f7f3ea;
  --bg-alt:#eae4d8;
  --bg-dark:#43221f;
  --ink:#241b16;
  --ink-soft:#786b5d;
  --ink-inv:#f7f3ea;
  --accent:#8a2c25;
  --gold:#8a6a24;
  --maxw:1120px;
  --font:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;}

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

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

/* ---------- layout ---------- */

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
}

.axis{position:relative;}
.axis::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:1px;
  background:var(--gold);
  opacity:.4;
  transform:translateX(-.5px);
}

/* ---------- header ---------- */

.site-head{
  padding:26px 0 22px;
  border-bottom:1px solid rgba(120,107,93,.3);
  text-align:center;
}

.brand{
  display:inline-block;
  font-size:15px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--accent);}

.site-nav{margin-top:14px;}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:6px 0;
}
.site-nav li+li::before{
  content:"·";
  color:var(--gold);
  padding:0 12px;
}
.site-nav a{
  font-size:14.5px;
  color:var(--ink-soft);
  text-decoration:none;
}
.site-nav a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.site-nav a[aria-current="page"]{color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px;}

/* ---------- hero ---------- */

.hero{padding:64px 0 0;text-align:center;}

.hero .kicker{
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 22px;
}

h1{
  font-size:clamp(34px,5.4vw,58px);
  line-height:1.1;
  letter-spacing:-.025em;
  font-weight:700;
  margin:0 auto 26px;
  max-width:15ch;
}

.hero-lead{
  grid-column:4 / span 6;
  color:var(--ink);
  margin:0;
}

.hero-side{
  margin-top:46px;
  align-items:start;
  row-gap:28px;
}
.hero-side .col-l{grid-column:2 / span 3;text-align:left;}
.hero-side .col-r{grid-column:9 / span 3;text-align:left;}
.hero-side h2{
  font-size:14px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 8px;
  font-weight:700;
}
.hero-side p{margin:0;font-size:15.5px;line-height:1.65;color:var(--ink-soft);}

/* ---------- figures ---------- */

.fig-main{
  margin:56px auto 0;
  max-width:680px;
  text-align:center;
}
.fig-main img{margin:0 auto;}

figcaption{
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
  margin-top:12px;
  text-align:center;
}

/* ---------- sections ---------- */

section{padding:80px 0;}
section.tight{padding:64px 0;}
section.wide{padding:96px 0;}

.band{background:var(--bg-alt);}

.dark{
  background:var(--bg-dark);
  color:var(--ink-inv);
}
.dark h2,.dark h3{color:var(--ink-inv);}
.dark figcaption,.dark .muted{color:#cfc0b3;}
.dark a{color:#e9c98a;}
.dark .num{color:#c99a4e;}
.dark li::marker{color:#c99a4e;}
.dark .arc{border-color:rgba(233,201,138,.45);}

h2{
  font-size:clamp(23px,2.7vw,31px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.012em;
  margin:0 0 18px;
}

h3{
  font-size:19px;
  line-height:1.35;
  font-weight:700;
  margin:32px 0 10px;
}

p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}

.num{
  display:block;
  font-size:13px;
  letter-spacing:.2em;
  color:var(--gold);
  margin-bottom:10px;
}

.centered{text-align:center;}

/* symmetric pair: 4 + 4 around the axis */
.pair{row-gap:40px;}
.pair > div:first-child{grid-column:2 / span 4;}
.pair > div:last-child{grid-column:8 / span 4;}

/* narrative block breaking symmetry */
.narrow-left{grid-column:1 / span 7;}
.centered-6{grid-column:4 / span 6;}
.centered-8{grid-column:3 / span 8;}

/* arc separator */
.arc{
  width:33.333%;
  min-width:180px;
  height:26px;
  margin:0 auto;
  border-top:1px solid var(--gold);
  border-radius:120px 120px 0 0;
  opacity:.75;
}

/* lists */
ul.checks,ol.steps{
  padding-left:20px;
  margin:0 0 18px;
}
ul.checks li,ol.steps li{margin-bottom:10px;}
ul.checks li::marker{color:var(--accent);}
ol.steps li::marker{color:var(--gold);font-weight:700;}

dl.terms{margin:0;}
dl.terms dt{font-weight:700;margin-top:18px;}
dl.terms dd{margin:4px 0 0;color:var(--ink-soft);}

.muted{color:var(--ink-soft);}
.small{font-size:15px;}

/* detail figure inside dark section */
.detail-row{align-items:center;row-gap:32px;}
.detail-row .fig-detail{grid-column:1 / span 5;margin:0;}
.detail-row .detail-text{grid-column:7 / span 6;}
.detail-row figcaption{text-align:left;}

/* ---------- footer ---------- */

.site-foot{
  padding:56px 0 48px;
  text-align:center;
  border-top:1px solid rgba(120,107,93,.3);
}
.site-foot .arc{margin-bottom:26px;}
.foot-name{
  font-size:15px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  margin:0 0 16px;
}
.foot-nav ul{
  list-style:none;
  margin:0 0 18px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px 0;
}
.foot-nav li+li::before{content:"·";color:var(--gold);padding:0 10px;}
.foot-nav a{font-size:14.5px;color:var(--ink-soft);text-decoration:none;}
.foot-nav a:hover{color:var(--accent);text-decoration:underline;}
.foot-mail{margin:0 0 10px;}
.foot-note{font-size:13.5px;color:var(--ink-soft);margin:0 auto;max-width:56ch;}

/* ---------- responsive ---------- */

@media (max-width:900px){
  .hero-side .col-l{grid-column:1 / span 6;}
  .hero-side .col-r{grid-column:7 / span 6;}
  .pair > div:first-child,
  .pair > div:last-child{grid-column:1 / span 12;}
  .narrow-left,.centered-6,.centered-8,.hero-lead{grid-column:1 / span 12;}
  .detail-row .fig-detail,.detail-row .detail-text{grid-column:1 / span 12;}
  .detail-row .fig-detail{max-width:440px;}
}

@media (max-width:640px){
  body{font-size:16.5px;}
  .wrap{padding:0 18px;}
  .hero{padding:40px 0 0;}
  section{padding:48px 0;}
  section.tight{padding:40px 0;}
  section.wide{padding:56px 0;}
  .hero-side{margin-top:34px;}
  .hero-side .col-l,.hero-side .col-r{grid-column:1 / span 12;}
  .axis::before{display:none;}
  .fig-main{margin-top:36px;}
  .site-nav li+li::before{padding:0 8px;}
  h1{max-width:100%;}
}