/* Bronupe — stone-courses */

:root{
  --bg:#f4f0e8;
  --bg2:#e7e1d5;
  --dark:#20242a;
  --ink:#22201b;
  --muted:#776f62;
  --pale:#f4f0e8;
  --a1:#2c4668;
  --a2:#a06a2c;
  --mono:ui-monospace,Consolas,'Liberation Mono',monospace;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:24px;
  --pad:52px;
  --vpad:88px;
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:17px/1.75 var(--sans);
  overflow-x:hidden;
}

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

a{color:var(--a1);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--a1);outline-offset:3px}

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

.wrap{
  max-width:1280px;
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

.band{padding:var(--vpad) 0}
.band--bg{background:var(--bg)}
.band--bg2{background:var(--bg2)}
.band--dark{background:var(--dark);color:var(--pale)}

.band--dark a{color:var(--pale);text-decoration-color:var(--a2)}
.band--dark a:focus-visible{outline-color:var(--pale)}
.band--dark .lede,.band--dark .cap,.band--dark .note{color:#bdb6a8}

/* stepped indent: 0,1,2,3 columns */
.s0 .col{grid-column:1 / span 6}
.s1 .col{grid-column:2 / span 6}
.s2 .col{grid-column:3 / span 6}
.s3 .col{grid-column:4 / span 6}

.s0 .col--wide{grid-column:1 / span 9}
.s1 .col--wide{grid-column:2 / span 9}
.s2 .col--wide{grid-column:3 / span 9}
.s3 .col--wide{grid-column:4 / span 10}

/* ---------- typography ---------- */

h1,h2,h3,.label,.navlist,.num{
  font-family:var(--mono);
  text-transform:uppercase;
  font-weight:600;
}

h1{
  margin:0;
  font-size:clamp(2rem,5.2vw,3.5rem);
  line-height:1.06;
  letter-spacing:.02em;
}

h2{
  margin:0 0 22px;
  font-size:clamp(1.15rem,2.1vw,1.55rem);
  line-height:1.3;
  letter-spacing:.07em;
}

h3{
  margin:34px 0 12px;
  font-size:.92rem;
  letter-spacing:.11em;
  color:var(--a1);
}
.band--dark h3{color:#c79a5e}

p{margin:0 0 20px}
p:last-child{margin-bottom:0}

.label{
  display:block;
  font-size:.72rem;
  letter-spacing:.2em;
  color:var(--a2);
  margin:0 0 14px;
}

.num{
  display:block;
  font-size:.72rem;
  letter-spacing:.2em;
  color:var(--a2);
  margin-bottom:12px;
}

.lede{font-size:1.06rem;color:var(--ink)}
.note{color:var(--muted);font-size:.95rem}
.cap{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  line-height:1.6;
  margin-top:14px;
}

/* ---------- lists ---------- */

ul.plain,ol.steps{margin:0 0 20px;padding:0;list-style:none}
ul.plain li{position:relative;padding-left:24px;margin-bottom:10px}
ul.plain li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:9px;height:3px;
  background:var(--a1);
}
.band--dark ul.plain li::before{background:var(--a2)}

ol.steps{counter-reset:st}
ol.steps li{
  position:relative;
  padding-left:38px;
  margin-bottom:12px;
  counter-increment:st;
}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:.18em;
  font-family:var(--mono);
  font-size:.74rem;
  letter-spacing:.1em;
  color:var(--a2);
}

/* ---------- hero: three stacked courses ---------- */

.course-nav{background:var(--bg2);padding:18px 0}
.course-nav .wrap{align-items:center}

.brand{
  grid-column:1 / span 3;
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.24em;
  font-size:.86rem;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--a1)}

nav.main{grid-column:4 / span 9}
.navlist{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin:0;padding:0;
  list-style:none;
  justify-content:flex-end;
  font-size:.72rem;
  letter-spacing:.16em;
}
.navlist a{color:var(--ink);text-decoration:none;padding-bottom:3px;border-bottom:1px solid transparent}
.navlist a:hover{border-bottom-color:var(--a1);color:var(--a1)}
.navlist a[aria-current="page"]{border-bottom-color:var(--a2);color:var(--a1)}

.course-title{
  background:var(--bg);
  padding:120px 0 46px;
}
.course-title .wrap{align-items:end}
.course-title .col{grid-column:1 / span 9}

.course-intro{
  background:var(--bg2);
  padding:56px 0 62px;
}
.course-intro .col{grid-column:1 / span 6}
.course-intro .topics{grid-column:8 / span 5}

.topics ul{margin:0;padding:0;list-style:none}
.topics li{
  font-family:var(--mono);
  font-size:.74rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  padding:9px 0;
  border-bottom:1px solid rgba(119,111,98,.35);
}
.topics li:first-child{border-top:1px solid rgba(119,111,98,.35)}

/* ---------- images ---------- */

.figblock{background:var(--bg);padding:0 0 var(--vpad)}
.figblock figure{grid-column:4 / span 9;margin:0}
.figblock figcaption{grid-column:4 / span 7;margin:0}

.detail-figure{grid-column:1 / span 4;margin:0}
.detail-text{grid-column:6 / span 7}
.detail-figure figcaption{margin:0}

/* ---------- contact ---------- */

.mailline{
  font-family:var(--mono);
  font-size:1.02rem;
  letter-spacing:.06em;
  word-break:break-word;
}

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

footer.site{
  background:var(--dark);
  color:var(--pale);
  padding:64px 0 54px;
  margin:0;
}
footer.site .wrap{row-gap:0}

.foot-name{
  grid-column:1 / span 12;
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.06em;
  font-size:clamp(2.4rem,9vw,6.4rem);
  line-height:.98;
  margin:0 0 54px;
  color:var(--pale);
}

.foot-col{grid-column:span 4}
.foot-col + .foot-col{padding-left:0}
.foot-col::before{
  content:"";
  display:block;
  width:44px;height:2px;
  background:var(--a2);
  margin-bottom:16px;
}
.foot-col h2{
  font-size:.72rem;
  letter-spacing:.2em;
  margin:0 0 14px;
  color:#bdb6a8;
}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:8px}
.foot-col a{color:var(--pale)}
.foot-col p{color:#bdb6a8;font-size:.95rem}

.foot-bottom{
  grid-column:1 / span 12;
  margin-top:46px;
  padding-top:18px;
  border-top:1px solid rgba(244,240,232,.18);
  font-family:var(--mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#9a9287;
}

/* ---------- inner pages ---------- */

.page-head{background:var(--bg);padding:96px 0 52px}
.page-head .col{grid-column:1 / span 9}
.page-head h1{font-size:clamp(1.7rem,4vw,2.7rem)}

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

@media (max-width:1000px){
  :root{--pad:36px;--vpad:68px}
  .course-title{padding:88px 0 40px}
  .figblock figure{grid-column:3 / span 10}
  .figblock figcaption{grid-column:3 / span 10}
  .detail-figure{grid-column:1 / span 5}
  .detail-text{grid-column:7 / span 6}
  .s3 .col--wide{grid-column:4 / span 9}
}

@media (max-width:760px){
  :root{--pad:22px;--vpad:52px;--gap:16px}
  body{font-size:16px;line-height:1.72}
  .wrap{grid-template-columns:repeat(4,1fr)}
  .brand{grid-column:1 / span 4;margin-bottom:12px}
  nav.main{grid-column:1 / span 4}
  .navlist{justify-content:flex-start;gap:10px 20px}
  .s0 .col,.s1 .col,.s2 .col,.s3 .col,
  .s0 .col--wide,.s1 .col--wide,.s2 .col--wide,.s3 .col--wide,
  .course-title .col,.course-intro .col,.page-head .col{grid-column:1 / span 4}
  .course-intro .topics{grid-column:1 / span 4;margin-top:34px}
  .course-title{padding:56px 0 30px}
  .figblock figure,.figblock figcaption{grid-column:1 / span 4}
  .detail-figure{grid-column:1 / span 4;margin-bottom:34px}
  .detail-text{grid-column:1 / span 4}
  .foot-name{grid-column:1 / span 4;margin-bottom:38px}
  .foot-col{grid-column:1 / span 4;margin-bottom:30px}
  .foot-bottom{grid-column:1 / span 4}
}