:root {
  --russia-black: #110f30;
  --not-mosaic-grey: #dddddd;
  --digital-parchment: #dfff00;
  --founder-pink: #f4bbff;
  --iron: #48494b;
  --port-red: #ff0000;
  --starboard-green: #008000;
  --max-width: 1200px;
  --transition-fast: 180ms ease;
  --transition-slow: 320ms ease;
  --font-display: "Cooper Black", "Bookman Old Style", Georgia, serif;
  --font-body: Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--not-mosaic-grey);
  color: var(--russia-black);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus-visible {
  left: 1rem;
  top: 1rem;
  z-index: 999;
  background: var(--digital-parchment);
  color: var(--russia-black);
  padding: 0.7rem 1rem;
  border-radius: 0.8rem;
  border: 2px solid var(--russia-black);
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(223, 221, 223, 0.96);
  backdrop-filter: blur(6px);
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  max-width: min(30rem, 70vw);
  padding: 0.1rem 0;
  text-decoration: none;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 4.75rem;
  object-fit: contain;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.image-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  text-decoration: none;
  line-height: 0;
  border-radius: 999px;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.image-button img {
  display: block;
  width: 9rem;
  height: 3rem;
  object-fit: fill;
}

.image-button:hover,
.image-button:focus-visible {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 0 0.8rem rgba(223, 255, 0, 0.45);
}

.image-button:focus-visible {
  outline: none;
}

main {
  display: grid;
  gap: clamp(2.5rem, 4vw, 3.25rem);
}

.section {
  width: min(var(--max-width), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 0;
}

.section-intro,
.section-join,
.section-ecosystem {
  padding-inline: clamp(1.25rem, 3vw, 2.5rem);
}

.hero {
  padding-top: 1.2rem;
}

.hero-media {
  min-height: min(68vh, 52rem);
}

.media-frame {
  position: relative;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
  transition: filter var(--transition-slow);
  will-change: transform;
}

.media-frame img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: transparent;
}

.image-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 0.4rem;
  text-align: center;
  padding: 1.2rem;
  font-size: clamp(0.95rem, 2.3vw, 1.35rem);
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--russia-black);
  background:
    radial-gradient(circle at 20% 20%, rgba(244, 187, 255, 0.5), transparent 46%),
    radial-gradient(circle at 80% 80%, rgba(223, 255, 0, 0.42), transparent 43%),
    rgba(226, 221, 229, 0.92);
}

.image-placeholder.stack span {
  display: block;
}

.media-frame:not(.is-missing) .image-placeholder {
  opacity: 0;
  pointer-events: none;
}

.section h1,
.section h2,
.section h3 {
  font-family: var(--font-display);
  margin: 0 0 0.85rem;
  line-height: 1.1;
}

.section h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

@media (min-width: 1200px) {
  .section-intro h1 {
    font-size: 3rem;
    white-space: nowrap;
  }
}

.section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.7rem);
}

.section h3 {
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.section p {
  max-width: 72ch;
  margin: 0;
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  font-weight: 400;
}

.section-copy {
  display: grid;
  gap: 0.9rem;
}

.eyebrow {
  margin-bottom: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--iron);
}

.section-mailing-list {
  background: rgba(239, 209, 244, 0.7);
  padding-inline: clamp(1rem, 2vw, 1.6rem);
  border-radius: 1.25rem;
}

.feature {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  padding: clamp(2rem, 3vw, 3rem) clamp(2.5rem, 4vw, 4rem);
  border: 0;
  border-radius: 1.25rem;
}

.feature-founder-pink {
  background: rgba(244, 187, 255, 0.42);
}

.feature-digital-parchment {
  background: rgba(223, 255, 0, 0.28);
}

.feature-image-left > .media-frame,
.feature-image-left > .feature-link,
.feature-image-right > .feature-copy {
  order: 1;
}

.feature-image-left > .feature-copy,
.feature-image-right > .media-frame,
.feature-image-right > .feature-link {
  order: 2;
}

.feature-copy {
  display: grid;
  gap: 0.9rem;
  align-self: center;
  transform: none !important;
}

.feature-link {
  display: block;
  text-decoration: none;
}

.feature-link:focus-visible {
  outline: none;
  filter: drop-shadow(0 0 0.65rem rgba(223, 255, 0, 0.7));
}

.screenshot-frame {
  min-height: 0;
}

.rosie-frame {
  display: grid;
  place-items: center;
  overflow: visible;
}

.media-frame .rosie-art {
  width: min(100%, 32rem);
  aspect-ratio: 1;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 1.1rem 1.2rem rgba(17, 15, 48, 0.2));
}

.section-ecosystem h2 {
  margin-bottom: 1.5rem;
}

.section-ecosystem {
  margin-block: clamp(1.5rem, 3vw, 2.5rem);
}

.ecosystem-body {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 0.7fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ecosystem-node {
  min-width: 0;
}

.ecosystem-link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 6rem;
  padding: 0.5rem;
  text-align: center;
  text-decoration: none;
  background: transparent;
  transition:
    transform var(--transition-fast),
    filter var(--transition-fast);
}

.ecosystem-link img {
  display: block;
  width: 100%;
  height: 4.75rem;
  object-fit: contain;
}

.ecosystem-link:hover,
.ecosystem-link:focus-visible {
  transform: translateY(-3px);
  filter: drop-shadow(0 0.65rem 0.7rem rgba(17, 15, 48, 0.22));
}

.ecosystem-link:focus-visible {
  outline: 2px solid var(--russia-black);
  outline-offset: 3px;
}

.embed-placeholder {
  margin-top: 1rem;
  border: 1px dashed var(--iron);
  border-radius: 1rem;
  min-height: 8rem;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 1rem;
}

.mailing-list-fallback {
  display: inline-block;
  margin-top: 0.6rem;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.14em;
}

.join-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.join-card {
  display: grid;
  gap: 0.7rem;
  min-height: 14rem;
  padding: 1.2rem;
  border: 1px solid var(--iron);
  border-radius: 1rem;
  text-decoration: none;
  background: rgba(230, 221, 235, 0.9);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.join-card:hover,
.join-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--digital-parchment);
  box-shadow: 0 0 1rem rgba(223, 255, 0, 0.36);
}

.join-card:focus-visible {
  outline: 2px solid var(--digital-parchment);
  outline-offset: 2px;
}

.join-card h3 {
  margin: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.1rem;
  padding: 2rem 1rem 2.8rem;
}

.site-footer .copyright {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin: 0;
  width: 100%;
  text-align: center;
  font-size: 1.35rem;
  line-height: 1;
}

.footer-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.footer-logo {
  display: block;
  width: auto;
  height: 2.75rem;
  object-fit: contain;
}

.copyright-years {
  font-size: 0.92em;
}

@media (max-width: 960px) {
  .feature,
  .feature-image-left,
  .feature-image-right {
    grid-template-columns: 1fr;
  }

  .feature-image-left > .media-frame,
  .feature-image-left > .feature-link,
  .feature-image-right > .media-frame,
  .feature-image-right > .feature-link {
    order: 1;
  }

  .feature-image-left > .feature-copy,
  .feature-image-right > .feature-copy {
    order: 2;
  }

  .screenshot-frame {
    min-height: 0;
  }

  .join-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 48vh;
  }

  .ecosystem-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .screenshot-frame {
    transform: none !important;
  }
}