/* Terezabu — stepped-poster */

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

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

body {
  margin: 0;
  background: #1c1416;
  color: #eee4da;
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.9;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(34px, 6.2vw, 74px); }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: clamp(20px, 2vw, 24px); }

p { margin: 0 0 1.5em; max-width: 68ch; }

a { color: #c98f3f; text-decoration: underline; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid #c98f3f;
  outline-offset: 3px;
}

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

.caption {
  font-size: 14px;
  line-height: 1.6;
  color: #a08f8c;
  margin: 12px 0 0;
  max-width: 40ch;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.span5  { grid-column: span 5; }
.span6  { grid-column: span 6; }
.span7  { grid-column: span 7; }
.span9  { grid-column: span 9; }
.span12 { grid-column: 1 / -1; }

.start2 { grid-column-start: 2; }
.start3 { grid-column-start: 3; }
.start4 { grid-column-start: 4; }
.start5 { grid-column-start: 5; }
.start6 { grid-column-start: 6; }
.start7 { grid-column-start: 7; }

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

.band { padding: 120px 0; }
.band--tight { padding: 56px 0; }
.band--alt { background: #241a1d; }
.band--light { background: #f0e7dc; color: #1c1416; }
.band--light .caption { color: #5b4a45; }
.band--light a { color: #8a5a15; }

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

.rule {
  height: 3px;
  background: #c98f3f;
  border: 0;
  margin: 0 0 56px;
  grid-column: span 4;
}
.rule--left   { grid-column: 1 / span 4; }
.rule--center { grid-column: 5 / span 4; }
.rule--right  { grid-column: 9 / span 4; }

.hair {
  grid-column: 1 / -1;
  height: 1px;
  border: 0;
  background: #8fa07c;
  opacity: .45;
  margin: 0;
}

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

.site-head {
  border-bottom: 1px solid rgba(160, 143, 140, .3);
  padding: 22px 0;
}
.site-head .grid { align-items: baseline; row-gap: 12px; }

.wordmark {
  grid-column: span 3;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  letter-spacing: .04em;
  color: #eee4da;
  text-decoration: none;
}
.wordmark:hover { color: #c98f3f; }

.site-nav { grid-column: 4 / -1; }
.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}
.site-nav a {
  color: #eee4da;
  text-decoration: none;
  font-size: 16px;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { border-bottom-color: #c98f3f; }
.site-nav a[aria-current="page"] { border-bottom-color: #c98f3f; color: #c98f3f; }

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

.hero { padding: 110px 0 0; }

.hero-title {
  grid-column: 1 / -1;
  position: relative;
  padding-left: 28px;
  margin-bottom: 48px;
}
.hero-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: #c98f3f;
}
.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 { grid-column: 1 / span 5; }
.hero-intro p { font-size: 20px; }

.topics {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  font-size: 15px;
  color: #a08f8c;
  gap: 6px 0;
}
.topics li::after {
  content: "/";
  color: #c98f3f;
  margin: 0 12px;
}
.topics li:last-child::after { content: ""; margin: 0; }

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

.figure-main {
  grid-column: 5 / -1;
  margin: 72px -40px 0 0;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.figure-main img { width: 100%; }
.figure-main figcaption {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 13px;
  line-height: 1.5;
  color: #a08f8c;
  margin: 0;
  max-height: 100%;
}

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

.sec-no {
  display: block;
  font-size: 14px;
  letter-spacing: .12em;
  color: #8fa07c;
  margin-bottom: 10px;
}

.lead { font-size: 21px; }

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0 0 1.5em;
  padding: 0;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid rgba(160, 143, 140, .28);
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  color: #c98f3f;
  line-height: 1;
}
.band--light .steps li { border-bottom-color: rgba(28, 20, 22, .2); }

.plain {
  list-style: none;
  margin: 0 0 1.5em;
  padding: 0;
  max-width: 68ch;
}
.plain li {
  padding: 6px 0 6px 22px;
  position: relative;
}
.plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 2px;
  background: #c98f3f;
}

.term { color: #eee4da; }
.band--light .term { color: #1c1416; }

/* ---------- detail figure (light band) ---------- */

.figure-detail {
  grid-column: 8 / span 5;
  margin: 0;
}
.figure-detail img { width: 100%; }
.figure-detail figcaption {
  font-size: 14px;
  line-height: 1.6;
  color: #5b4a45;
  margin-top: 12px;
}

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

.about-lead { grid-column: 1 / span 9; }
.about-lead p { font-size: 22px; line-height: 1.8; max-width: 60ch; }

.doc-block {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  margin-top: 40px;
}
.doc-block h2, .doc-block h3 { grid-column: 1 / span 3; }
.doc-block .doc-text { grid-column: 4 / span 6; }
.doc-block .doc-text > :last-child { margin-bottom: 0; }

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

.site-foot { padding: 64px 0 72px; }
.site-foot .rule-top {
  grid-column: 1 / -1;
  height: 3px;
  background: #c98f3f;
  border: 0;
  margin: 0 0 32px;
}
.foot-name {
  grid-column: 1 / -1;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.2;
  margin: 0 0 36px;
}
.foot-left { grid-column: 1 / span 5; }
.foot-right { grid-column: 7 / span 6; }
.foot-left ul { list-style: none; margin: 0; padding: 0; }
.foot-left li { padding: 4px 0; }
.foot-left a { color: #eee4da; text-decoration: none; border-bottom: 1px solid rgba(201, 143, 63, .6); }
.foot-left a:hover { color: #c98f3f; }
.foot-right p { font-size: 16px; color: #a08f8c; max-width: 46ch; margin-bottom: 1em; }
.foot-right .foot-mail { font-size: 18px; color: #c98f3f; }

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

@media (max-width: 1000px) {
  .figure-main { grid-column: 3 / -1; }
  .figure-detail { grid-column: 7 / span 6; }
}

@media (max-width: 860px) {
  body { font-size: 17px; line-height: 1.85; }
  .grid { padding: 0 22px; column-gap: 0; }
  .band { padding: 64px 0; }
  .band--tight { padding: 40px 0; }
  .hero { padding: 56px 0 0; }

  .wordmark, .site-nav,
  .span5, .span6, .span7, .span9, .span12,
  .hero-title, .hero-intro, .topics,
  .about-lead, .doc-block,
  .foot-name, .foot-left, .foot-right { grid-column: 1 / -1; }

  .start2, .start3, .start4, .start5, .start6, .start7 { grid-column-start: 1; }

  .site-nav ul { justify-content: flex-start; }
  .site-head .grid { row-gap: 14px; }

  .rule, .rule--left, .rule--center, .rule--right {
    grid-column: 1 / -1;
    max-width: 200px;
    margin-bottom: 36px;
  }
  .rule--center { justify-self: center; }
  .rule--right { justify-self: end; }

  .hero-title span:nth-child(2) { margin-left: 5%; }
  .hero-title span:nth-child(3) { margin-left: 10%; }

  .figure-main {
    grid-column: 1 / -1;
    margin: 40px 0 0;
    flex-direction: column;
    gap: 0;
  }
  .figure-main figcaption {
    writing-mode: horizontal-tb;
    transform: none;
    margin-top: 12px;
    max-width: 46ch;
  }

  .figure-detail { grid-column: 1 / -1; margin-top: 32px; }

  .doc-block { display: block; margin-top: 28px; }
  .doc-block h2, .doc-block h3, .doc-block .doc-text { display: block; }

  .steps li { grid-template-columns: 44px 1fr; gap: 12px; }
  .steps li::before { font-size: 24px; }

  .about-lead p { font-size: 20px; }
  .foot-left { margin-bottom: 28px; }
}