.page {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  position: relative;
}

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(to right,
    var(--c-night) 0%, var(--c-plum) 16%, var(--c-coral) 34%,
    var(--c-amber) 52%, var(--c-pale) 64%, var(--c-sage) 78%, var(--c-teal) 100%);
  z-index: 250;
  pointer-events: none;
  will-change: width;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 120;
  background: color-mix(in oklab, var(--c-paper) 92%, transparent);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  border-bottom: var(--border-hair);
}
.topbar-inner {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 14px clamp(20px, 4vw, 56px);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}
.topbar-brand {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink);
  background: none;
}
.topbar-brand::before { content: "§ "; color: var(--c-coral); }
.topbar-nav {
  display: flex;
  gap: clamp(14px, 2vw, 30px);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.topbar-nav a { color: var(--c-ink); background: none; }
.topbar-nav a:hover { color: var(--c-coral); }

.raster-rule {
  display: flex;
  width: 100%;
  height: 4px;
  margin: 0;
}
.raster-rule span { flex: 1; height: 100%; }

.section {
  padding: clamp(64px, 9vw, 128px) 0 clamp(40px, 6vw, 72px);
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: baseline;
  margin-bottom: clamp(32px, 4vw, 56px);
}
@media (max-width: 680px) {
  .section-head { grid-template-columns: 1fr; gap: 10px; }
}
.section-num {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  padding-top: 10px;
  white-space: nowrap;
}
.section-num .dot {
  display: inline-block;
  width: 8px; height: 8px;
  margin-right: 10px;
  vertical-align: 1px;
  border-radius: 0;
}
.section-title {
  font-size: clamp(36px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--c-ink);

}
.section-title em {
  font-style: italic;
  color: var(--c-plum);

}
@media (prefers-color-scheme: dark) {
  .section-title em { color: var(--c-pale); }
}

.section-body {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
}
@media (max-width: 680px) {
  .section-body { grid-template-columns: 1fr; }
}
.section-body > .aside {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  padding-top: 10px;
}

/* section color marks */
#about     .section-num .dot,
#about     .hero-label .dot { background: var(--c-plum); }
#work      .section-num .dot { background: var(--c-amber); }
#projects  .section-num .dot { background: var(--c-teal); }
#sizecoding .section-num .dot { background: var(--c-coral); }
#beyond    .section-num .dot { background: var(--c-coral); }
#elsewhere .section-num .dot { background: var(--c-sage); }

.subsection { margin-top: clamp(48px, 6vw, 88px); }
.subsection-head {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: baseline;
  margin-bottom: 28px;
  padding-top: 28px;
  border-top: var(--border-hair);
}
@media (max-width: 680px) {
  .subsection-head { grid-template-columns: 1fr; gap: 8px; }
}
.subsection-num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  padding-top: 10px;
}
.subsection-title {
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-ink);

}
.subsection-title em { font-style: italic; color: var(--c-plum); }
@media (prefers-color-scheme: dark) {
  .subsection-title em { color: var(--c-pale); }
}

.subsection-intro { grid-column: 2 / -1; }
@media (max-width: 680px) { .subsection-intro { grid-column: 1 / -1; } }

.prose {
  max-width: var(--w-text);
  font-size: clamp(17px, 1rem + 0.1vw, 19.5px);
  line-height: 1.65;

}
.prose.lead { font-size: clamp(19px, 1.2vw + 0.5rem, 23px); line-height: 1.5; color: var(--c-ink); }

.footer {
  padding: 48px 0 72px;
  border-top: var(--border-hair);
  margin-top: clamp(48px, 6vw, 96px);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  text-transform: uppercase;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}
.footer .mark { color: var(--c-coral); }