/* =========================================================
   Rotunda — a history of the art exhibition
   Museum-wall, vertical-timeline stylesheet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,500&family=Libre+Franklin:wght@300;400;500;600&family=Courier+Prime&display=swap');

:root{
  --wall:     #F7F5F0;
  --panel:    #EFEBE1;
  --ink:      #201E1B;
  --ink-soft: #635E54;
  --ink-faint:#9C9587;
  --crimson:  #7A2230;
  --brass:    #A9863A;
  --line:     #DBD4C4;

  --display: 'Cormorant Garamond', serif;
  --body:    'Libre Franklin', sans-serif;
  --mono:    'Courier Prime', monospace;

  --max: 780px;
  --wide: 1100px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--wall);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

::selection{ background: var(--crimson); color: #fff; }

:focus-visible{
  outline: 2px solid var(--crimson);
  outline-offset: 3px;
}

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.wrap-wide{ max-width: var(--wide); margin: 0 auto; padding: 0 28px; }

/* -------------------- masthead -------------------- */
.masthead{ border-bottom: 1px solid var(--ink); padding: 24px 0; }

.masthead .wrap-wide{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.masthead-title{
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.masthead-meta{
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  display: flex;
  gap: 20px;
}

/* -------------------- hero -------------------- */
.hero{ padding: 90px 0 60px; text-align: center; }

.hero-kicker{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 0 0 24px;
}

.hero h1{
  font-family: var(--display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.005em;
  margin: 0 auto 26px;
  max-width: 18ch;
}

.hero-lede{
  font-weight: 300;
  font-size: 1.14rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 auto;
}

.hero-image{
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  margin-top: 54px;
  filter: sepia(0.08) saturate(0.95);
}

.hero-image-cap{
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin: 12px 28px 0;
  max-width: var(--wide);
  text-align: center;
}

/* -------------------- timeline -------------------- */
.timeline{
  position: relative;
  padding: 70px 0 40px;
}

.timeline::before{
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--ink);
  transform: translateX(-50%);
}

@media (max-width: 760px){
  .timeline::before{ left: 20px; }
}

.tl-item{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 60px;
  margin-bottom: 90px;
}

@media (max-width: 760px){
  .tl-item{ grid-template-columns: 1fr; padding-left: 46px; margin-bottom: 64px; }
}

.tl-item::before{
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--crimson);
  transform: translateX(-50%);
  z-index: 2;
}

@media (max-width: 760px){
  .tl-item::before{ left: 20px; }
}

.tl-year{
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 2.6rem;
  color: var(--ink-faint);
  line-height: 1;
  text-align: right;
  padding-top: 0;
}

.tl-item.left .tl-year{ grid-column: 1; grid-row: 1; text-align: right; padding-right: 20px; }
.tl-item.left .tl-content{ grid-column: 2; grid-row: 1; }
.tl-item.right .tl-year{ grid-column: 2; grid-row: 1; text-align: left; padding-left: 20px; order: 2; }
.tl-item.right .tl-content{ grid-column: 1; grid-row: 1; text-align: right; }

@media (max-width: 760px){
  .tl-item.left .tl-year, .tl-item.right .tl-year{ grid-column: 1; text-align: left; padding: 0 0 12px; }
  .tl-item.left .tl-content, .tl-item.right .tl-content{ grid-column: 1; text-align: left; }
}

.tl-content h3{
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0 0 12px;
}

.tl-content p{
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.98rem;
  margin: 0 0 14px;
}

.tl-content p:last-child{ margin-bottom: 0; }

.tl-content img{
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 16px;
  filter: sepia(0.06) saturate(0.95);
}

.tl-tag{
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brass);
  border: 1px solid var(--brass);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* -------------------- closing essay -------------------- */
.essay{
  padding: 30px 0 76px;
  border-top: 1px solid var(--line);
}

.essay h2{
  font-family: var(--display);
  font-weight: 600;
  font-style: italic;
  font-size: 2rem;
  margin: 0 0 22px;
}

.essay p{
  color: var(--ink-soft);
  font-weight: 300;
  max-width: 66ch;
  margin: 0 0 16px;
}

.essay p:last-child{ margin-bottom: 0; }

.essay strong{ color: var(--ink); font-weight: 500; }

/* -------------------- glossary -------------------- */
.glossary{ padding: 76px 0 90px; border-top: 1px solid var(--line); }

.glossary h2{
  font-family: var(--display);
  font-weight: 600;
  font-style: italic;
  font-size: 2rem;
  margin: 0 0 44px;
}

.terms{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px 40px;
}

.term dt{
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--crimson);
  margin-bottom: 8px;
}

.term dd{
  margin: 0;
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.94rem;
}

/* -------------------- footer -------------------- */
footer{ border-top: 1px solid var(--ink); padding: 30px 0 50px; }

footer .wrap-wide{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
}

footer .colophon{ max-width: 46ch; }