body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 10%, rgba(233, 239, 234, 0.9), transparent 18%),
    radial-gradient(circle at 90% 8%, rgba(248, 223, 203, 0.86), transparent 20%),
    radial-gradient(circle at 16% 86%, rgba(213, 228, 239, 0.55), transparent 16%),
    radial-gradient(circle at 86% 82%, rgba(236, 222, 194, 0.44), transparent 16%),
    linear-gradient(180deg, rgba(255,255,255,0.24) 0%, rgba(255,255,255,0) 18%),
    #f4eee4;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #213036;
}

#title-block-header,
.quarto-title-block {
  display: none !important;
}

#quarto-content,
main.content.column-page,
.content.column-page {
  max-width: none !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

.page-columns,
.page-rows-contents,
.column-page {
  grid-template-columns: 1fr !important;
}

.poster-canvas {
  width: min(1540px, calc(100vw - 8px));
  margin: 4px auto;
  padding: 8px;
  background: #fcf8f1;
  border: 4px solid #1f325f;
  box-shadow: 0 14px 34px rgba(24, 41, 61, 0.18);
  position: relative;
  overflow: hidden;
}

.poster-canvas::before,
.poster-canvas::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.poster-canvas::before {
  width: 220px;
  height: 220px;
  top: -72px;
  right: -62px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.78) 0 22%, transparent 23%),
    radial-gradient(circle at center, rgba(224, 175, 82, 0.22) 0 46%, transparent 47%),
    radial-gradient(circle at center, rgba(45, 87, 117, 0.14) 0 68%, transparent 69%);
}

.poster-canvas::after {
  width: 210px;
  height: 210px;
  left: -56px;
  bottom: -66px;
  border-radius: 32px;
  transform: rotate(16deg);
  background:
    linear-gradient(135deg, rgba(37, 85, 98, 0.18), transparent 58%),
    radial-gradient(circle at 34% 34%, rgba(224, 175, 82, 0.18) 0 20%, transparent 21%),
    radial-gradient(circle at 72% 72%, rgba(37, 63, 111, 0.16) 0 22%, transparent 23%);
}

.poster-hero {
  background: linear-gradient(90deg, #1d275d 0%, #26497a 60%, #1c5f64 100%);
  color: #fff;
  padding: 14px 16px 12px 16px;
  border-bottom: 6px solid #e0ab47;
}

.poster-hero h1,
.poster-hero h2 {
  color: #fff;
  margin: 0;
}

.hero-kicker {
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #d6e8fb;
  margin-bottom: 8px;
  font-weight: 700;
}

.poster-hero h1 {
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1;
  font-weight: 800;
  max-width: 1080px;
}

.poster-hero h2 {
  font-size: clamp(14px, 1.25vw, 21px);
  line-height: 1.2;
  margin-top: 8px;
  max-width: 1080px;
  font-weight: 500;
}

.hero-meta {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.4;
}

.poster-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.08fr 1.02fr;
  gap: 8px;
  padding-top: 8px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}

.grid-left,
.grid-center,
.grid-right {
  display: grid;
  gap: 8px;
  align-content: start;
}

.grid-left {
  gap: 10px;
}

.section-box {
  background: #fffefb;
  border: 1.5px solid #d8cfbf;
  padding: 9px 10px 10px 10px;
  box-shadow: 0 5px 10px rgba(44, 52, 57, 0.05);
  position: relative;
  overflow: hidden;
}

.section-box h3 {
  margin: -9px -10px 9px -10px;
  padding: 7px 10px;
  font-size: 20px;
  line-height: 1.1;
  color: #173144;
  border-bottom: 1.5px solid rgba(0, 0, 0, 0.08);
  font-weight: 800;
}

.section-box::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 10px;
  width: 58px;
  height: 58px;
  opacity: 0.5;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255,255,255,0) 0 42%, rgba(255,255,255,0.56) 43% 46%, rgba(255,255,255,0) 47% 100%),
    radial-gradient(circle at 70% 30%, rgba(209, 219, 225, 0.35) 0 17%, transparent 18%);
}

.section-problem h3 {
  background: linear-gradient(90deg, #e9d0c1 0%, #f6e7dd 100%);
}

.section-motivation h3 {
  background: linear-gradient(90deg, #f0dcc6 0%, #faece0 100%);
}

.section-approach h3 {
  background: linear-gradient(90deg, #d9e6ee 0%, #ecf4f8 100%);
}

.section-results h3 {
  background: linear-gradient(90deg, #ebdfb5 0%, #f6efd6 100%);
}

.section-future h3 {
  background: linear-gradient(90deg, #dbe9d7 0%, #edf5ea 100%);
}

.section-problem {
  border-left: 4px solid #dd8f69;
}

.section-motivation {
  border-left: 4px solid #d7a16e;
}

.section-approach {
  border-left: 4px solid #6a9fc4;
}

.section-results {
  border-left: 4px solid #b7a14e;
}

.section-future {
  border-left: 4px solid #79a77c;
}

.section-box p,
.section-box li {
  font-size: 13px;
  line-height: 1.35;
}

.grid-left .section-box {
  padding: 11px 12px 13px 12px;
}

.grid-left .section-box h3 {
  margin: -11px -12px 11px -12px;
  padding: 8px 12px;
  font-size: 22px;
}

.grid-left .section-box p,
.grid-left .section-box li {
  font-size: 14.6px;
  line-height: 1.5;
}

.section-box ul,
.section-box ol {
  padding-left: 18px;
  margin: 5px 0;
}

.section-box li {
  margin-bottom: 4px;
}

.section-box h4 {
  font-size: 15px;
  margin: 7px 0 4px 0;
  color: #294a60;
  font-weight: 800;
}

.figure-frame {
  background: #ffffff;
  border: 1px solid #d9cfbf;
  padding: 5px;
  margin-top: 6px;
}

.figure-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.figure-frame p {
  margin: 4px 0 0 0;
  font-size: 10px;
  line-height: 1.3;
  color: #5b666d;
}

.two-up {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.figure-compact p {
  font-size: 10px;
}

.poster-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
  position: relative;
  z-index: 1;
}

.footer-box {
  background: #1f2d52;
  color: #f5f8fc;
  padding: 8px 10px;
  min-height: 64px;
  border-top: 4px solid #dca445;
  font-size: 12px;
  line-height: 1.35;
}

.footer-box strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

@media (max-width: 1380px) {
  .poster-grid {
    grid-template-columns: 1fr;
  }

  .poster-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .poster-canvas {
    width: calc(100vw - 8px);
    margin: 4px auto;
    padding: 4px;
    border-width: 2px;
  }

  .poster-hero {
    padding: 10px 10px 8px 10px;
  }

  .section-box h3 {
    font-size: 18px;
  }

  .section-box p,
  .section-box li,
  .hero-meta {
    font-size: 12px;
  }

  .two-up {
    grid-template-columns: 1fr;
  }
}