/* Belvurtensi — asymmetric-ledger */

:root{
  --bg:#ffffff;
  --bg-alt:#eef0f3;
  --bg-contrast:#1b2ecc;
  --ink:#0b0c10;
  --ink-soft:#565c66;
  --ink-inv:#ffffff;
  --accent:#ff4e36;
  --accent-2:#1b2ecc;
  --serif:Georgia,'Times New Roman',Times,serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --gap:32px;
  --pad:40px;
}

*{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.65;
  overflow-x:hidden;
}

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

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

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

/* ---------- grid shell ---------- */

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 var(--pad);
}

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

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

.site-head{
  border-bottom:1px solid var(--accent);
  padding:22px 0 18px;
}
.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 28px;
}
.brand{
  font-family:var(--serif);
  font-size:23px;
  letter-spacing:.02em;
  color:var(--ink);
  text-decoration:none;
  font-weight:700;
}
.brand:hover{color:var(--accent);}
.site-nav ul{
  list-style:none;
  margin:0;padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
}
.site-nav a{
  font-family:var(--sans);
  font-size:12.5px;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover,
.site-nav a[aria-current="page"]{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

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

.hero{padding:76px 0 20px;}
.hero-inner{align-items:start;row-gap:0;}

.hero h1{
  grid-column:1 / span 8;
  margin:0;
  font-size:clamp(38px,5.4vw,68px);
  line-height:1.03;
  letter-spacing:-0.015em;
  font-weight:700;
}
.hero-lede{
  grid-column:1 / span 4;
  margin:34px 0 0;
  font-size:19px;
  color:var(--ink-soft);
}
.hero-meta{
  grid-column:1 / span 4;
  margin:26px 0 0;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--accent-2);
}
.hero-figure{
  grid-column:9 / span 4;
  grid-row:1 / span 3;
  align-self:end;
  max-width:480px;
  margin:0;
  padding-top:8px;
}
.hero-figure img{width:100%;}
figcaption{
  margin-top:12px;
  font-style:italic;
  font-size:15px;
  line-height:1.45;
  color:var(--ink-soft);
}

.rule{
  border:0;
  border-top:1px solid var(--accent);
  margin:0;
}

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

.band{padding:96px 0;}
.band-alt{background:var(--bg-alt);}
.band-contrast{background:var(--bg-contrast);color:var(--ink-inv);}
.band-contrast h2,.band-contrast h3{color:var(--ink-inv);}
.band-contrast a{color:#ffd5cf;}
.band-contrast figcaption,
.band-contrast .muted{color:#c9cfff;}
.band-contrast .num{color:#c9cfff;}
.band-contrast .rule-in{border-top-color:rgba(255,255,255,.4);}

.num{
  grid-column:1 / span 1;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--accent-2);
  padding-top:12px;
}

.col-a{grid-column:2 / span 6;}     /* 6 cols, left-indented */
.col-b{grid-column:4 / span 8;}     /* 8 cols, centred */
.col-full{grid-column:2 / span 10;}

h2{
  font-size:clamp(26px,3vw,36px);
  line-height:1.18;
  margin:0 0 22px;
  font-weight:700;
  letter-spacing:-0.01em;
}
h3{
  font-style:italic;
  font-weight:400;
  font-size:22px;
  line-height:1.3;
  margin:38px 0 12px;
}
p{margin:0 0 22px;}
p:last-child{margin-bottom:0;}

.muted{color:var(--ink-soft);}

.rule-in{
  grid-column:2 / span 10;
  border:0;
  border-top:1px solid var(--accent);
  margin:56px 0 0;
}

/* two lists of 5 columns each */
.dual{
  grid-column:2 / span 10;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,5fr));
  column-gap:calc(var(--gap) * 2);
  row-gap:0;
  margin-top:34px;
}
.dual h3{margin-top:0;}

ul.ledger,ol.ledger{
  margin:0 0 26px;
  padding:0;
  list-style:none;
}
ul.ledger li,ol.ledger li{
  padding:10px 0 10px 26px;
  border-top:1px solid rgba(11,12,16,.15);
  position:relative;
  font-size:17px;
  line-height:1.55;
}
ul.ledger li:last-child,ol.ledger li:last-child{
  border-bottom:1px solid rgba(11,12,16,.15);
}
ul.ledger li::before{
  content:"—";
  position:absolute;left:0;top:10px;
  color:var(--accent);
}
ol.ledger{counter-reset:led;}
ol.ledger li::before{
  counter-increment:led;
  content:counter(led,decimal-leading-zero);
  position:absolute;left:0;top:11px;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--accent);
}
.band-contrast ul.ledger li,
.band-contrast ol.ledger li{border-color:rgba(255,255,255,.28);}
.band-contrast ul.ledger li::before,
.band-contrast ol.ledger li::before{color:#ffd5cf;}

/* temperature / colour table-like ledger */
dl.ledger{margin:30px 0 0;}
dl.ledger div{
  display:grid;
  grid-template-columns:minmax(120px,4fr) minmax(0,8fr);
  column-gap:var(--gap);
  border-top:1px solid rgba(11,12,16,.15);
  padding:12px 0;
}
dl.ledger div:last-child{border-bottom:1px solid rgba(11,12,16,.15);}
dl.ledger dt{
  font-family:var(--sans);
  font-size:12.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--accent-2);
  padding-top:3px;
}
dl.ledger dd{margin:0;font-size:17px;line-height:1.55;}

/* contrast section with detail image */
.detail-figure{
  grid-column:9 / span 4;
  margin:0;
}
.detail-text{grid-column:2 / span 6;}

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

.about-body{grid-column:6 / span 7;}
.about-marks{
  grid-column:1 / span 4;
  margin:0;
  padding:0;
  list-style:none;
}
.about-marks li{
  border-top:1px solid var(--accent);
  padding:12px 0;
  font-family:var(--sans);
  font-size:12.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.about-marks li:last-child{border-bottom:1px solid var(--accent);}

/* ---------- legal / prose pages ---------- */

.page-head{padding:64px 0 30px;}
.page-head h1{
  grid-column:1 / span 9;
  margin:0;
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.06;
  letter-spacing:-0.015em;
}
.page-head .page-sub{
  grid-column:1 / span 5;
  margin:22px 0 0;
  color:var(--ink-soft);
  font-size:18px;
}

.prose{grid-column:3 / span 8;}
.prose h2{margin-top:52px;}
.prose h2:first-of-type{margin-top:0;}

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

.site-foot{
  background:var(--bg-contrast);
  color:var(--ink-inv);
  padding:64px 0 56px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:5fr 4fr 3fr;
  column-gap:var(--gap);
  row-gap:34px;
  align-items:start;
}
.foot-name{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.08;
  margin:0 0 10px;
  font-weight:700;
}
.foot-note{
  margin:0;
  font-size:15px;
  color:#c9cfff;
  max-width:34ch;
}
.foot-nav ul{list-style:none;margin:0;padding:0;}
.foot-nav li{border-top:1px solid rgba(255,255,255,.35);}
.foot-nav li:last-child{border-bottom:1px solid rgba(255,255,255,.35);}
.foot-nav a{
  display:block;
  padding:10px 0;
  font-family:var(--sans);
  font-size:12.5px;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--ink-inv);
  text-decoration:none;
}
.foot-nav a:hover{color:#ffd5cf;}
.foot-contact p{margin:0 0 8px;}
.foot-label{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#c9cfff;
}
.foot-contact a{color:#ffffff;text-decoration:underline;}
.foot-contact a:hover{color:#ffd5cf;}
.foot-base{
  margin-top:46px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.35);
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.05em;
  color:#c9cfff;
}
.site-foot :focus-visible{outline-color:#ffffff;}

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

@media (max-width:960px){
  :root{--pad:28px;--gap:24px;}
  .hero{padding:56px 0 16px;}
  .hero h1{grid-column:1 / span 12;}
  .hero-lede,.hero-meta{grid-column:1 / span 8;}
  .hero-figure{
    grid-column:1 / span 8;
    grid-row:auto;
    max-width:420px;
    margin-top:40px;
  }
  .band{padding:64px 0;}
  .num{grid-column:1 / span 12;padding-top:0;margin-bottom:8px;}
  .col-a,.col-b,.col-full,.rule-in,.dual{grid-column:1 / span 12;}
  .detail-text{grid-column:1 / span 12;}
  .detail-figure{grid-column:1 / span 8;margin-top:40px;max-width:420px;}
  .about-marks,.about-body{grid-column:1 / span 12;}
  .about-marks{margin-bottom:34px;}
  .page-head h1,.page-head .page-sub{grid-column:1 / span 12;}
  .prose{grid-column:1 / span 12;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:640px){
  :root{--pad:20px;}
  body{font-size:17px;}
  .band{padding:56px 0;}
  .hero{padding:44px 0 12px;}
  .dual{grid-template-columns:1fr;row-gap:0;}
  .dual h3{margin-top:26px;}
  .dual > div:first-child h3{margin-top:0;}
  dl.ledger div{grid-template-columns:1fr;row-gap:4px;}
  .hero-figure,.detail-figure{max-width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .site-head .wrap{flex-direction:column;align-items:flex-start;}
  .site-nav ul{gap:6px 18px;}
}