/*subpage hero layout*/
.sub-hero {
  position: relative;
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
  padding: 5rem 0 6rem;
  margin-top: 0;
  color: #ffffff;
  overflow: hidden;
}

.sub-hero-about {
  background-image: url("../assets/subpage_banner2.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.45),
    rgba(0, 0, 0, 0.65)
  );
  z-index: 0;
}

.sub-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.sub-hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  opacity: 0.85;
  margin-bottom: 0.8rem;
}

.sub-hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 700;
}

.sub-hero-subtitle {
  margin: 0;
  font-size: 1.2rem;
  max-width: 60ch;
  opacity: 0.9;
}

/*subpage layout*/
.sub-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  column-gap: 5rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  align-items: flex-start;
  padding: 3rem 2rem 4rem !important;
}

/* left column fixed*/
.sub-meta {
  grid-column: 1;
  position: sticky;
  top: 120px; 
  align-self: flex-start;
}

.sub-meta-inner {
  border-left: 4px solid #94a3b8;
  padding-left: 1rem;
}

/* right column scrolls*/
.sub-main {
  grid-column: 2;
  min-width: 0;
  max-width: 800px;
  background: #ffffff;   
  padding: 2.5rem 3rem;    
  border-radius: 8px;  
  box-shadow: 0 6px 20px rgba(0,0,0,0.06); 
}

.sub-meta-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  opacity: 0.7;
  margin-bottom: 1rem;
}

.meta-badge {
  display: inline-block;
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
  background: #E4F0FF;
  color: #0f172a;
  font-size: 0.8rem;
  font-weight: 500;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.sub-meta-text {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #4b5563;
}

.subpage .sub-layout {
  display: grid !important;
  grid-template-columns: 280px minmax(0, 1fr) !important;
  column-gap: 4rem;
  max-width: 1400px;
  margin: 2.5rem auto 4rem;
  padding: 0 2rem;
  align-items: flex-start;
}

.subpage .sub-layout > .sub-meta {
  grid-column: 1 !important;
}

.subpage .sub-layout > .sub-main {
  grid-column: 2 !important;
  min-width: 0;
}

.subpage #quarto-document-content.content.page-columns.page-full {
  background: #ffffff !important;
  width: 100vw !important;
  max-width: 100vw !important;
  margin-left: 50% !important;
  transform: translateX(-50%) !important;
  padding: 0 !important;
}

.sub-main, 
.sub-main .cell {
  background: none !important;
  box-shadow: none !important;
  border: none !important;
}

body.home-page header.quarto-title-block,
body.subpage header.quarto-title-block {
  display: none;
  margin: 0;
  padding: 0;
  border: none;
  min-height: 0;
}

.section-divider {
  border: 0;
  height: 1px;
  width: 100%;
  margin: 2.5rem 0;
  background: rgba(0, 0, 0, 0.32);
}