:root {
  color-scheme: dark;
  --ink: #e8fbf7;
  --muted: #9fc5be;
  --dim: #739b94;
  --bg: #031817;
  --bg-deep: #020d0d;
  --panel: rgba(7, 35, 33, 0.86);
  --panel-strong: #0a2c29;
  --line: rgba(122, 218, 202, 0.2);
  --line-strong: rgba(122, 218, 202, 0.42);
  --aqua: #69e2ce;
  --aqua-soft: #b5fff2;
  --gold: #e7bd63;
  --gold-soft: #ffe4a0;
  --violet: #be9dff;
  --coral: #ff8e78;
  --green: #9ae68f;
  --blue: #84bdff;
  --radius: 1.35rem;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --max: 74rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  min-width: 19rem;
  background:
    radial-gradient(circle at 8% 4%, rgba(105, 226, 206, 0.12), transparent 30rem),
    radial-gradient(circle at 92% 22%, rgba(231, 189, 99, 0.1), transparent 27rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 22rem, #021211);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.68;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(132, 189, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(132, 189, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a {
  color: var(--aqua-soft);
  text-decoration-color: rgba(181, 255, 242, 0.45);
  text-underline-offset: 0.22em;
}

a:hover {
  color: white;
  text-decoration-color: var(--gold);
}

img,
svg {
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible,
h1[tabindex="-1"]:focus {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--gold-soft);
  color: #10201d;
  padding: 0.7rem 1rem;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 15, 14, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 4.7rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 780;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 2rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: 0.95rem;
  box-shadow: 0 0 24px rgba(231, 189, 99, 0.24);
}

.brand-mark::after {
  content: "";
  position: absolute;
  width: 2.55rem;
  height: 0.7rem;
  border: 1px solid rgba(105, 226, 206, 0.65);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav a {
  border-radius: 999px;
  color: var(--muted);
  padding: 0.45rem 0.68rem;
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(105, 226, 206, 0.1);
  color: var(--aqua-soft);
}

main {
  overflow: clip;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 2rem), 52rem);
  margin-inline: auto;
}

.hero {
  position: relative;
  min-height: min(48rem, calc(100svh - 4.7rem));
  display: grid;
  align-items: center;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--gold-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.35rem;
  font-size: clamp(3.2rem, 9vw, 7.4rem);
  letter-spacing: -0.045em;
}

.page-hero h1 {
  max-width: 16ch;
  font-size: clamp(2.85rem, 7vw, 6.1rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.45rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
}

.lede {
  max-width: 44rem;
  margin: 0;
  color: #c2e0da;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.6;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.68rem 1.1rem;
  background: rgba(105, 226, 206, 0.08);
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.button:hover {
  border-color: var(--aqua);
  background: rgba(105, 226, 206, 0.15);
}

.button.primary {
  border-color: var(--gold);
  background: var(--gold-soft);
  color: #12211e;
}

.button.primary:hover {
  background: white;
  color: #071210;
}

.orbit-stage {
  position: relative;
  width: min(100%, 29rem);
  aspect-ratio: 1;
  margin-inline: auto;
  display: grid;
  place-items: center;
}

.orbit,
.orbit::before,
.orbit::after {
  position: absolute;
  inset: 9%;
  border: 1px solid rgba(105, 226, 206, 0.38);
  border-radius: 50%;
  content: "";
}

.orbit {
  animation: orbit 24s linear infinite;
}

.orbit::before {
  inset: 10% -4%;
  border-color: rgba(231, 189, 99, 0.38);
  transform: rotate(58deg);
}

.orbit::after {
  inset: -5% 14%;
  border-color: rgba(190, 157, 255, 0.32);
  transform: rotate(-54deg);
}

@keyframes orbit {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orbit { animation: none; }
  .back-to-top { transition: none; }
}

.chip-core {
  position: relative;
  z-index: 2;
  width: 44%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(231, 189, 99, 0.7);
  border-radius: 22%;
  background:
    linear-gradient(135deg, rgba(105, 226, 206, 0.22), transparent 52%),
    var(--panel-strong);
  box-shadow: 0 0 70px rgba(105, 226, 206, 0.18), inset 0 0 0 9px rgba(0, 0, 0, 0.12);
  transform: rotate(45deg);
}

.chip-core span {
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: clamp(1.6rem, 5vw, 3rem);
  transform: rotate(-45deg);
}

.chip-pin {
  position: absolute;
  width: 0.5rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 15px var(--aqua);
}

.pin-one { top: 7%; left: 48%; }
.pin-two { right: 10%; top: 36%; background: var(--gold); box-shadow: 0 0 15px var(--gold); }
.pin-three { bottom: 13%; left: 23%; background: var(--violet); box-shadow: 0 0 15px var(--violet); }

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section + .section {
  border-top: 1px solid rgba(122, 218, 202, 0.08);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(20rem, 1.25fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  margin-bottom: 2.5rem;
}

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

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(14, 53, 50, 0.9), rgba(5, 27, 25, 0.9));
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 5.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--aqua), transparent);
}

.card.gold::before { background: linear-gradient(90deg, var(--gold), transparent); }
.card.violet::before { background: linear-gradient(90deg, var(--violet), transparent); }
.card.coral::before { background: linear-gradient(90deg, var(--coral), transparent); }

.card p:last-child,
.callout p:last-child {
  margin-bottom: 0;
}

.card-number {
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: 2.15rem;
  line-height: 1;
}

.kicker {
  margin: 0 0 0.55rem;
  color: var(--aqua);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.muted { color: var(--muted); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.tag,
.evidence {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.24rem 0.58rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.evidence.proven { border-color: rgba(154, 230, 143, 0.55); color: #c6f7bd; }
.evidence.build { border-color: rgba(105, 226, 206, 0.55); color: var(--aqua-soft); }
.evidence.research { border-color: rgba(132, 189, 255, 0.55); color: #c7ddff; }
.evidence.speculative { border-color: rgba(190, 157, 255, 0.55); color: #e0d0ff; }
.evidence.vendor { border-color: rgba(231, 189, 99, 0.55); color: var(--gold-soft); }

.callout {
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(231, 189, 99, 0.08);
  padding: 1.25rem 1.4rem;
}

.callout.aqua {
  border-left-color: var(--aqua);
  background: rgba(105, 226, 206, 0.08);
}

.split-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow);
}

.track {
  min-height: 25rem;
  background: var(--panel);
  padding: clamp(1.4rem, 4vw, 3rem);
}

.track-label {
  display: inline-grid;
  place-items: center;
  width: 2.65rem;
  aspect-ratio: 1;
  margin-bottom: 2rem;
  border: 1px solid var(--aqua);
  border-radius: 50%;
  color: var(--aqua-soft);
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.track:last-child .track-label {
  border-color: var(--gold);
  color: var(--gold-soft);
}

.plain-list,
.step-list,
.source-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  position: relative;
  padding: 0.62rem 0 0.62rem 1.3rem;
  border-bottom: 1px solid rgba(122, 218, 202, 0.1);
}

.plain-list li::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  left: 0;
  width: 0.42rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--aqua);
}

.plain-list li:last-child { border-bottom: 0; }

.step-list {
  counter-reset: step;
  display: grid;
  gap: 0.72rem;
}

.step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.3rem 1fr;
  gap: 0.85rem;
  align-items: start;
  border-bottom: 1px solid rgba(122, 218, 202, 0.11);
  padding: 0.85rem 0;
}

.step-list li::before {
  content: counter(step, decimal-leading-zero);
  color: var(--gold-soft);
  font: 700 0.78rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.table-wrap {
  overflow-x: auto;
  scrollbar-gutter: stable;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 24, 22, 0.84);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 48rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}

caption {
  padding: 1rem;
  color: var(--aqua-soft);
  font-weight: 750;
  text-align: left;
}

.table-cue {
  margin: 0.5rem 0 0.65rem;
  color: var(--dim);
  font-size: 0.8rem;
}

.table-wrap:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

th,
td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--gold-soft);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(105, 226, 206, 0.04); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-button {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 0.42rem 0.8rem;
  cursor: pointer;
}

.filter-button[aria-pressed="true"],
.filter-button:hover {
  border-color: var(--aqua);
  background: rgba(105, 226, 206, 0.12);
  color: var(--ink);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  margin-left: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.9rem;
  bottom: 0.9rem;
  left: 0;
  width: 1px;
  background: linear-gradient(var(--aqua), var(--gold), var(--violet));
}

.timeline-item {
  position: relative;
  margin-left: 1.7rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 1.2rem 1.3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.45rem;
  left: -2.05rem;
  width: 0.7rem;
  aspect-ratio: 1;
  border: 3px solid var(--bg);
  border-radius: 50%;
  background: var(--aqua);
}

.possibility-field {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.possibility-node {
  position: relative;
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--panel);
  padding: 1.1rem;
}

.possibility-node.wildcard {
  grid-column: 1 / -1;
  min-height: 7rem;
  border-style: dashed;
  background:
    radial-gradient(circle at 88% 18%, rgba(252, 194, 89, 0.13), transparent 32%),
    var(--panel);
}

.possibility-node strong {
  color: var(--aqua-soft);
  font-family: Georgia, serif;
  font-size: 1.16rem;
  font-weight: 500;
}

.possibility-node span {
  color: var(--muted);
  font-size: 0.83rem;
}

details {
  border-top: 1px solid var(--line);
  padding-block: 1rem;
}

details:last-child { border-bottom: 1px solid var(--line); }

summary {
  color: var(--aqua-soft);
  font-weight: 760;
  cursor: pointer;
}

details > div {
  padding: 0.5rem 0 0.25rem;
  color: var(--muted);
}

.quote {
  max-width: 30ch;
  margin: 0;
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.metric {
  margin: 0 0 0.4rem;
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.module-shell {
  min-height: 18rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr 0.9fr;
  gap: 0.65rem;
  border: 2px solid var(--gold);
  border-radius: 1rem;
  background:
    linear-gradient(90deg, rgba(105, 226, 206, 0.07), rgba(231, 189, 99, 0.06)),
    var(--panel);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.module-zone {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.8rem;
  padding: 1rem;
}

.module-zone strong {
  color: var(--aqua-soft);
  font-size: 1.25rem;
}

.module-zone small { color: var(--muted); }
.rack-zone { background: rgba(105, 226, 206, 0.08); }
.service-zone { background: rgba(132, 189, 255, 0.08); }
.thermal-zone { background: rgba(190, 157, 255, 0.08); }
.power-zone { background: rgba(231, 189, 99, 0.08); }

.page-hero {
  padding-block: clamp(4rem, 9vw, 8rem) clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(122, 218, 202, 0.1);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 2rem;
  color: var(--dim);
  font-size: 0.82rem;
}

.breadcrumb a { color: var(--muted); }

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  margin-top: 1.5rem;
  color: var(--dim);
  font-size: 0.82rem;
}

.source-list {
  display: grid;
  gap: 0.7rem;
}

.source-list li {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(7, 35, 33, 0.55);
  padding: 1rem 1.1rem;
}

.source-list,
.source-list li,
.source-list small,
.hash-record {
  overflow-wrap: anywhere;
}

.source-list a {
  font-weight: 750;
}

.source-list small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
}

.photo-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
}

.photo-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 35, 33, 0.75);
  box-shadow: var(--shadow);
}

.photo-card img {
  width: 100%;
  height: 35rem;
  display: block;
  object-fit: contain;
  background: #f5f5f5;
}

.photo-card figcaption {
  padding: 1rem 1.15rem 1.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.photo-card figcaption strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
}

.brief-template {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.brief-field {
  background: rgba(7, 35, 33, 0.88);
  padding: 1rem 1.1rem;
}

.brief-field small {
  display: block;
  color: var(--gold-soft);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.brief-field span {
  color: var(--muted);
}

.page-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}

.page-nav a {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(7, 35, 33, 0.6);
  padding: 1rem 1.15rem;
  text-decoration: none;
}

.page-nav a:last-child { text-align: right; }

.page-nav small {
  display: block;
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3rem;
  background: rgba(2, 13, 13, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: end;
}

.footer-grid p {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem 1rem;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  width: 3rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgba(4, 28, 26, 0.94);
  color: var(--gold-soft);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.6rem);
  transition: opacity 160ms ease, transform 160ms ease;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(1px, 1px, 1px, 1px) !important;
  white-space: nowrap !important;
}

@media (max-width: 68rem) {
  .js .nav-toggle { display: inline-flex; }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 1rem;
    left: 1rem;
    width: auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100svh - 4.7rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(2, 18, 17, 0.98);
    padding: 0.65rem;
    box-shadow: var(--shadow);
  }

  .js .site-nav.open { display: flex; }
  .site-nav a { padding: 0.7rem 0.8rem; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .possibility-field { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 50rem) {
  .hero-grid,
  .section-head,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .module-shell { grid-template-columns: 1fr 1fr; }

  .hero { min-height: auto; }
  .orbit-stage { width: min(85vw, 24rem); }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .photo-grid { grid-template-columns: 1fr; }
  .photo-card img { height: auto; max-height: 40rem; }
}

@media (max-width: 34rem) {
  .module-shell { grid-template-columns: 1fr; }
}

@media (max-width: 38rem) {
  .header-inner,
  .container,
  .narrow { width: min(calc(100% - 1.3rem), var(--max)); }

  .brand { font-size: 0.9rem; }
  .grid-2,
  .grid-4,
  .split-band,
  .possibility-field,
  .page-nav { grid-template-columns: 1fr; }
  .brief-template { grid-template-columns: 1fr; }
  .track { min-height: auto; }
  .page-nav a:last-child { text-align: left; }
  h1 { font-size: clamp(2.8rem, 17vw, 4.8rem); }
  .page-hero h1 { font-size: clamp(2.65rem, 15vw, 4.2rem); }
}