/* Kemvartipo — stepped-poster */

:root {
  --bg: #14161a;
  --bg-alt: #1d2026;
  --bg-contrast: #e4e4e1;
  --tx: #d8dbdf;
  --tx-dim: #8a9098;
  --tx-dark: #14161a;
  --acc: #e8a33d;
  --acc2: #4fb79a;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 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(--tx);
  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(--acc); text-decoration: underline; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible,
:focus-visible {
  outline: 3px solid var(--acc);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: normal;
  line-height: 1.3;
  margin: 0;
}

p { margin: 0 0 1.6em; }

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

.grid {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.col5 { grid-column: 1 / span 5; }
.col5r { grid-column: 8 / span 5; }
.col6 { grid-column: 1 / span 6; }
.col6r { grid-column: 6 / span 7; }
.col7 { grid-column: 1 / span 7; }
.col7r { grid-column: 5 / span 8; }
.col9 { grid-column: 1 / span 9; }
.col9r { grid-column: 4 / span 9; }
.col12 { grid-column: 1 / span 12; }

/* ---------- section rhythm ---------- */

.s-wide { padding: 120px 0; }
.s-tight { padding: 56px 0; }
.alt { background: var(--bg-alt); }

.contrast {
  background: var(--bg-contrast);
  color: var(--tx-dark);
}
.contrast h2, .contrast h3 { color: var(--tx-dark); }
.contrast .cap { color: #4a4f55; }
.contrast .num { color: #b07417; }
.contrast a { color: #a8701c; }
.contrast .marker { color: #2f7a66; }

/* ---------- captions / numbers ---------- */

.cap {
  font-size: 14px;
  line-height: 1.6;
  color: var(--tx-dim);
}

.marker {
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--acc2);
  display: block;
  margin-bottom: 20px;
}

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

.site-head { padding: 28px 0 24px; }

.head-inner {
  grid-column: 1 / span 12;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 32px;
  justify-content: space-between;
  border-bottom: 1px solid #2b2f36;
  padding-bottom: 18px;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--tx);
  text-decoration: none;
}
.brand:hover { color: var(--acc); }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.site-nav a {
  font-size: 15px;
  color: var(--tx-dim);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--tx); border-bottom-color: var(--acc); }
.site-nav a[aria-current="page"] { color: var(--tx); border-bottom-color: var(--acc); }

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

.hero { padding: 96px 0 40px; position: relative; }

.hero-block {
  grid-column: 1 / span 12;
  position: relative;
  padding-left: 28px;
}
.hero-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--acc);
}

.hero h1 {
  font-size: clamp(34px, 5.4vw, 66px);
  margin: 0 0 44px;
}
.hero h1 span { display: block; }
.hero h1 span:nth-child(2) { padding-left: 8.33%; }
.hero h1 span:nth-child(3) { padding-left: 16.66%; }

.hero-intro { grid-column: 1 / span 5; }
.hero-topics {
  grid-column: 7 / span 6;
  align-self: end;
  font-size: 15px;
  line-height: 2.1;
  color: var(--tx-dim);
}
.hero-topics b { color: var(--tx); font-weight: normal; }
.hero-topics .sep { color: var(--acc); padding: 0 10px; }

/* ---------- main image ---------- */

.figure-main {
  grid-column: 5 / span 8;
  margin: 0;
  position: relative;
  padding-left: 74px;
}
.figure-main img { width: 100%; }
.figure-main figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 13px;
  line-height: 1.5;
  color: var(--tx-dim);
  max-height: 100%;
}

/* ---------- separators ---------- */

.rule {
  grid-column: 1 / span 12;
  display: block;
  height: 0;
  border: 0;
  margin: 0;
}
.rule::after {
  content: "";
  display: block;
  height: 3px;
  background: var(--acc);
  width: 33.3%;
}
.rule-center::after { margin: 0 auto; }
.rule-right::after { margin-left: auto; }

/* ---------- text blocks ---------- */

.lead { font-size: 22px; line-height: 1.75; }

h2 {
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 32px;
}
h3 {
  font-size: 21px;
  margin: 40px 0 14px;
}

.num {
  font-family: var(--serif);
  color: var(--acc);
}

/* numbered checklist */
.steps {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  counter-reset: st;
}
.steps > li {
  counter-increment: st;
  position: relative;
  padding-left: 78px;
  margin-bottom: 30px;
}
.steps > li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -6px;
  font-family: var(--serif);
  font-size: 34px;
  color: var(--acc);
  line-height: 1.3;
}
.steps b { font-weight: 600; }

.plain {
  list-style: none;
  margin: 0 0 1.6em;
  padding: 0;
}
.plain li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
}
.plain li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--acc);
}

/* ---------- contrast / detail section ---------- */

.figure-detail {
  grid-column: 2 / span 4;
  margin: 0;
}
.figure-detail img { width: 100%; }
.figure-detail figcaption {
  font-size: 14px;
  line-height: 1.6;
  color: #4a4f55;
  margin-top: 14px;
}
.detail-text { grid-column: 7 / span 6; }

/* ---------- about page ---------- */

.about-intro { grid-column: 1 / span 9; }
.about-body { grid-column: 4 / span 6; }
.about-head { grid-column: 1 / span 3; }
.about-head h2 { font-size: 24px; margin-bottom: 0; }

.legal { grid-column: 1 / span 7; }
.legal h2 { font-size: 26px; margin-top: 56px; }
.legal h2:first-of-type { margin-top: 0; }

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

.site-foot { padding: 0 0 72px; margin-top: 0; }
.foot-rule {
  grid-column: 1 / span 12;
  height: 3px;
  background: var(--acc);
  margin-bottom: 40px;
}
.foot-name {
  grid-column: 1 / span 12;
  font-family: var(--serif);
  font-size: clamp(38px, 8vw, 92px);
  line-height: 1.1;
  margin: 0 0 44px;
  color: var(--tx);
}
.foot-nav { grid-column: 1 / span 5; }
.foot-nav ul { list-style: none; margin: 0; padding: 0; }
.foot-nav li { margin-bottom: 10px; }
.foot-nav a { color: var(--tx-dim); text-decoration: none; }
.foot-nav a:hover { color: var(--acc); text-decoration: underline; }
.foot-meta { grid-column: 7 / span 6; }
.foot-meta p { margin-bottom: 1em; }
.foot-meta .cap { max-width: 46ch; }

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

@media (max-width: 900px) {
  .grid { padding: 0 24px; column-gap: 16px; }
  .s-wide { padding: 72px 0; }
  .s-tight { padding: 44px 0; }

  .hero-intro { grid-column: 1 / span 12; }
  .hero-topics { grid-column: 1 / span 12; margin-top: 8px; }
  .figure-main { grid-column: 1 / span 12; padding-left: 56px; }
  .col5, .col5r, .col6, .col6r, .col7, .col7r, .col9, .col9r { grid-column: 1 / span 12; }
  .figure-detail { grid-column: 1 / span 8; }
  .detail-text { grid-column: 1 / span 12; margin-top: 40px; }
  .about-intro, .about-body, .about-head, .legal { grid-column: 1 / span 12; }
  .about-head h2 { margin-bottom: 20px; }
  .foot-nav, .foot-meta { grid-column: 1 / span 12; }
  .foot-meta { margin-top: 32px; }
  .rule::after { width: 55%; }
}

@media (max-width: 600px) {
  body { font-size: 17px; line-height: 1.85; }
  .grid { padding: 0 18px; }
  .s-wide { padding: 64px 0; }
  .s-tight { padding: 40px 0; }
  .hero { padding: 56px 0 24px; }
  .hero h1 { margin-bottom: 32px; }
  .hero h1 span:nth-child(2) { padding-left: 6%; }
  .hero h1 span:nth-child(3) { padding-left: 12%; }
  .hero-block { padding-left: 18px; }
  .figure-main { padding-left: 0; }
  .figure-main figcaption {
    position: static;
    writing-mode: horizontal-tb;
    transform: none;
    margin-top: 12px;
  }
  .figure-detail { grid-column: 1 / span 12; }
  .steps > li { padding-left: 56px; }
  .steps > li::before { font-size: 26px; top: -2px; }
  .lead { font-size: 19px; }
  .site-nav ul { gap: 6px 18px; }
}