.mk-section {
  padding: clamp(1.25rem, 3vw, 2.5rem) 0;
  position: relative;
  scroll-margin-top: 5rem;
}
.mk-section--tight { padding: clamp(1rem, 2.5vw, 1.75rem) 0; }
.mk-section--wash {
  background:
    linear-gradient(180deg, rgba(243, 238, 226, 0.82), rgba(221, 214, 196, 0.74)),
    var(--mk-cream-deep);
  border-block: 1px solid var(--mk-rule);
}
.mk-section--dark {
  background: var(--mk-ink);
  color: var(--mk-text-on-dark);
}
.mk-section--dark .mk-display { color: var(--mk-bone); }
.mk-section--dark .mk-lede { color: var(--mk-text-on-dark); }
.mk-section--dark .mk-prose p { color: var(--mk-text-on-dark); }
.mk-section--dark .mk-overline:not(.mk-overline--ondark):not(.mk-overline--wash) {
  color: var(--mk-text-on-dark-muted);
}

.mk-section-card {
  --mk-section-card-padding: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: min(1180px, calc(100% - clamp(1.5rem, 6vw, 4rem)));
  padding: var(--mk-section-card-padding);
  background:
    radial-gradient(circle at 8% 0%, rgba(201, 162, 39, 0.12), transparent 38%),
    radial-gradient(circle at 92% 12%, rgba(46, 80, 119, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(250, 246, 236, 0.96), rgba(236, 230, 214, 0.9)),
    var(--mk-cream-soft);
  border: 1px solid rgba(17, 37, 60, 0.1);
  border-radius: 1.1rem;
  box-shadow:
    0 18px 46px rgba(17, 37, 60, 0.12),
    0 4px 14px rgba(17, 37, 60, 0.06);
  overflow: hidden;
}
.mk-section-card > .mk-overline {
  margin-bottom: clamp(0.65rem, 1.5vw, 1rem);
}
.mk-section-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.74);
}
.mk-section--dark .mk-section-card {
  background:
    radial-gradient(circle at 10% 0%, rgba(46, 80, 119, 0.32), transparent 42%),
    linear-gradient(180deg, rgba(17, 37, 60, 0.98), rgba(8, 23, 42, 0.96)),
    var(--mk-ink);
  border-color: rgba(250, 246, 236, 0.14);
  box-shadow:
    0 22px 56px rgba(0, 0, 0, 0.34),
    0 6px 18px rgba(0, 0, 0, 0.18);
}
.mk-section--dark .mk-section-card::before {
  box-shadow: inset 0 1px 0 rgba(250, 246, 236, 0.08);
}
@media (max-width: 620px) {
  .mk-section-card {
    border-radius: 0.85rem;
  }
}

.mk-section-num {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: currentColor;
  min-width: 0;
  padding: 0;
  margin-right: 0.3rem;
  background: transparent;
  border-radius: 0;
  opacity: 0.72;
}
.mk-section-num::before { content: ""; }
.mk-section--dark .mk-section-num {
  color: currentColor;
  background: transparent;
}

.mk-rule {
  height: 1px;
  background: var(--mk-rule);
  width: 100%;
  margin: 0;
  border: 0;
}
.mk-section--dark .mk-rule { background: var(--mk-rule-light); }

.mk-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0,0,0,0.6) 1px, transparent 0);
  background-size: 3px 3px;
}
.mk-section--dark .mk-grain {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.6) 1px, transparent 0);
  opacity: 0.05;
}

.mk-page-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  width: min(100%, 980px);
  margin: 0;
  border: 1px solid rgba(221, 214, 196, 0.14);
  border-radius: 0.85rem;
  background: rgba(221, 214, 196, 0.12);
  backdrop-filter: blur(8px);
  overflow: hidden;
  position: relative;
  z-index: 2;
}
@media (min-width: 720px) {
  .mk-page-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .mk-page-nav--compact {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}
.mk-page-nav-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  min-height: 100%;
  padding: 1rem 0.9rem;
  color: var(--mk-text-on-dark);
  text-decoration: none;
  background: rgba(8, 23, 42, 0.54);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.mk-page-nav-link:hover,
.mk-page-nav-link:focus-visible {
  background: rgba(221, 214, 196, 0.08);
  color: var(--mk-bone);
  transform: translateY(-1px);
  outline: 0;
}
.mk-page-nav-link .num {
  font-family: 'Outfit', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--mk-text-on-dark-muted);
  padding-top: 0.1rem;
}
.mk-page-nav-link .label,
.mk-page-nav-link .desc {
  display: block;
}
.mk-page-nav-link .label {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.015em;
  color: var(--mk-bone);
}
.mk-page-nav-link .desc {
  margin-top: 0.35rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--mk-text-on-dark-muted);
}

.mk-section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-bottom: clamp(1.75rem, 4vh, 2.75rem);
}
@media (min-width: 880px) {
  .mk-section-head--split {
    grid-template-columns: 7fr 5fr;
    gap: 2rem;
    align-items: center;
  }
}