/* Kemvartipos — stepped-poster */

:root{
  --bg:#14161a;
  --bg-alt:#1d2026;
  --bg-contrast:#e4e4e1;
  --text:#d8dbdf;
  --muted:#8a9098;
  --text-contrast:#14161a;
  --accent:#e8a33d;
  --accent2:#4fb79a;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:24px;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:18px;
  line-height:1.9;
  overflow-x:hidden;
}

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

a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(232,163,61,.45)}
a:hover{border-bottom-color:var(--accent)}
a:focus-visible,
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* ---------- grid ---------- */
.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

.c5{grid-column:1/span 5}
.c6{grid-column:1/span 6}
.c7{grid-column:1/span 7}
.c9{grid-column:1/span 9}
.c7-right{grid-column:6/span 7}
.c5-right{grid-column:8/span 5}
.c6-right{grid-column:7/span 6}

/* ---------- typography ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.3;margin:0}
h1{font-size:clamp(2.3rem,5.4vw,4.1rem)}
h2{font-size:clamp(1.6rem,2.7vw,2.25rem);margin-bottom:.6em}
h3{font-size:1.24rem;margin:2.4em 0 .5em;line-height:1.4}
p{margin:0 0 1.5em}
p:last-child{margin-bottom:0}

.kicker{
  font-family:var(--sans);
  font-size:14px;
  line-height:1.6;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent2);
  margin:0 0 1.6em;
}
.num{
  font-family:var(--serif);
  color:var(--accent2);
  font-size:14px;
  letter-spacing:.2em;
  display:block;
  margin-bottom:1em;
}
.caption{font-size:14px;line-height:1.7;color:var(--muted);margin:14px 0 0}

/* ---------- header / nav ---------- */
.site-head{
  border-bottom:1px solid #2a2e35;
  padding:26px 0;
}
.head-inner{display:flex;flex-wrap:wrap;align-items:baseline;gap:18px 34px;justify-content:space-between}
.brand{
  font-family:var(--serif);
  font-size:1.42rem;
  letter-spacing:.04em;
  color:var(--text);
  border-bottom:none;
}
.brand:hover{color:var(--accent)}
.site-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin:0;padding:0}
.site-nav a{
  font-size:15px;
  letter-spacing:.05em;
  color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--text);border-bottom-color:var(--accent)}

/* ---------- section rhythm ---------- */
.s-wide{padding:120px 0}
.s-tight{padding:56px 0}
.alt{background:var(--bg-alt)}
.contrast{
  background:var(--bg-contrast);
  color:var(--text-contrast);
}
.contrast h2,.contrast h3{color:var(--text-contrast)}
.contrast .kicker,.contrast .num{color:#2f6f60}
.contrast .caption{color:#5a5f66}
.contrast a{color:#8a5a12;border-bottom-color:rgba(138,90,18,.5)}

/* ---------- separators ---------- */
.rule{
  height:3px;
  background:var(--accent);
  border:0;
  margin:0;
  grid-column:1/span 4;
}
.rule-mid{grid-column:5/span 4}
.rule-end{grid-column:9/span 4}
.rule-row{margin:0 0 56px}

/* ---------- hero ---------- */
.hero{padding:104px 0 96px;position:relative}
.hero-title{position:relative;padding-left:34px;margin-bottom:52px}
.hero-title::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:3px;
  background:var(--accent);
}
.hero-title span{display:block}
.hero-title span:nth-child(2){margin-left:8.33%}
.hero-title span:nth-child(3){margin-left:16.66%}

.hero-intro{font-size:19px}
.topics{
  list-style:none;
  margin:26px 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  font-size:15px;
  color:var(--muted);
}
.topics li:not(:last-child)::after{
  content:"/";
  color:var(--accent);
  margin:0 12px;
}

/* main image, 8 of 12, pushed right */
.figure-main{
  grid-column:5/span 8;
  margin:72px 0 0;
  display:grid;
  grid-template-columns:34px 1fr;
  column-gap:18px;
  align-items:start;
}
.figure-main .vcap{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--muted);
  line-height:1.5;
  justify-self:start;
}

/* ---------- lists ---------- */
.checklist{list-style:none;margin:2em 0 0;padding:0;counter-reset:ck}
.checklist li{
  counter-increment:ck;
  position:relative;
  padding-left:74px;
  margin-bottom:1.5em;
}
.checklist li::before{
  content:counter(ck,decimal-leading-zero);
  position:absolute;
  left:0;top:-2px;
  font-family:var(--serif);
  font-size:1.9rem;
  line-height:1.3;
  color:var(--accent);
}
.plain{list-style:none;margin:1.6em 0 0;padding:0}
.plain li{position:relative;padding-left:26px;margin-bottom:.9em}
.plain li::before{
  content:"";
  position:absolute;left:0;top:.85em;
  width:11px;height:3px;background:var(--accent);
}

.def{margin:1.8em 0 0}
.def dt{font-family:var(--serif);font-size:1.1rem;color:var(--text);margin-top:1.6em}
.contrast .def dt{color:var(--text-contrast)}
.def dd{margin:.3em 0 0}

/* ---------- detail block in contrast section ---------- */
.detail-fig{grid-column:2/span 4;margin:0}
.detail-text{grid-column:7/span 6}

/* ---------- about ---------- */
.lead{font-size:22px;line-height:1.75}
.about-body{grid-column:4/span 6}
.about-head{grid-column:1/span 3;padding-right:20px}
.about-head h2{margin-top:0}

/* ---------- footer ---------- */
.site-foot{border-top:3px solid var(--accent);padding:56px 0 72px;background:var(--bg-alt)}
.foot-name{
  font-family:var(--serif);
  font-size:clamp(2rem,6vw,3.4rem);
  line-height:1.2;
  margin:0 0 40px;
  letter-spacing:.02em;
}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:var(--gap);row-gap:32px}
.foot-nav ul{list-style:none;margin:0;padding:0}
.foot-nav li{margin-bottom:.55em}
.foot-nav a{color:var(--text);font-size:16px;border-bottom-color:rgba(232,163,61,.35)}
.foot-note{font-size:15px;line-height:1.8;color:var(--muted)}
.foot-note p{margin-bottom:1em}
.foot-mail{font-size:17px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  body{font-size:17px;line-height:1.8}
  .wrap{padding:0 22px}
  .s-wide{padding:64px 0}
  .s-tight{padding:40px 0}
  .hero{padding:56px 0 48px}
  .c5,.c6,.c7,.c9,.c7-right,.c5-right,.c6-right,
  .figure-main,.detail-fig,.detail-text,
  .about-body,.about-head{grid-column:1/span 12}
  .hero-title{padding-left:20px;margin-bottom:34px}
  .hero-title span:nth-child(2){margin-left:6%}
  .hero-title span:nth-child(3){margin-left:12%}
  .figure-main{margin-top:44px;grid-template-columns:1fr}
  .figure-main .vcap{
    writing-mode:horizontal-tb;
    transform:none;
    margin-top:12px;
    letter-spacing:.06em;
  }
  .detail-fig{margin-bottom:32px}
  .rule,.rule-mid,.rule-end{grid-column:1/span 6}
  .rule-row{margin-bottom:36px}
  .checklist li{padding-left:56px}
  .checklist li::before{font-size:1.5rem}
  .lead{font-size:20px}
  .foot-grid{grid-template-columns:1fr}
  .about-head{padding-right:0}
  .about-head h2{margin-bottom:.4em}
}

@media (max-width:520px){
  .site-nav ul{gap:8px 18px}
  .head-inner{gap:14px}
}