:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #eef4f2;
  background: #10191c;
  line-height: 1.7;
}

.theme-network {
  --accent: #85e1c3;
  --accent-ink: #08251d;
  --line: #34554f;
  --surface: #132c2b;
  background: radial-gradient(ellipse at 85% 0%, #1b4540 0, transparent 38rem), #0b1a1b;
}

.theme-robots {
  --accent: #ffb677;
  --accent-ink: #2a1609;
  --line: #59413a;
  --surface: #2a211e;
  background: radial-gradient(ellipse at 85% 0%, #593525 0, transparent 38rem), #191614;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 1;
  padding: 0.5rem 0.75rem;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-200%);
}

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

.wrap {
  width: calc(100% - 2.5rem);
  max-width: 1100px;
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  min-height: 4.5rem;
  padding-block: 0.75rem;
}

.site-nav a,
.site-nav span {
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.site-nav span {
  color: #c4cfcc;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.55rem, 6vw, 5.2rem);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3rem);
}

p {
  margin: 0 0 1.15rem;
}

.lead {
  color: #f5f8f6;
  font-size: clamp(1.08rem, 1.5vw, 1.25rem);
  line-height: 1.65;
}

.hero-copy > p:not(.eyebrow):not(.lead),
.prose,
.section-intro {
  color: #d3ddda;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  color: #f5f8f6;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent);
}

.button:hover {
  text-decoration: underline;
}

figure {
  margin: 0;
}

.feature,
.media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: var(--surface);
}

.feature img,
.media img {
  display: block;
  width: 100%;
  height: auto;
}

figcaption {
  padding: 0.8rem 1rem;
  color: #d3ddda;
  font-size: 0.88rem;
  line-height: 1.5;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 1.4rem 0;
  border-block: 1px solid var(--line);
  list-style: none;
}

.facts strong,
.facts span {
  display: block;
}

.facts strong {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.facts span {
  margin-top: 0.25rem;
  font-weight: 600;
}

.section {
  padding-block: clamp(3.2rem, 7vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.story {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem clamp(2rem, 6vw, 6rem);
}

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

.notice {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.section-intro {
  max-width: 65ch;
  margin-top: 1rem;
}

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

.media-wide {
  grid-column: 1 / -1;
}

.media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #101718;
}

.media.contain img {
  object-fit: contain;
}

.media > a {
  display: block;
}

.resource-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.resource-list a {
  font-weight: 700;
}

.site-footer {
  padding-block: 2rem 3rem;
  color: #c4cfcc;
  font-size: 0.88rem;
}

.site-footer p {
  max-width: 75ch;
}

@media (max-width: 760px) {
  .hero,
  .story,
  .gallery {
    grid-template-columns: 1fr;
  }

  .media-wide {
    grid-column: auto;
  }

  .facts {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
}