.classifier-card {
  max-width: 760px;
  margin-top: 3.5rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  background: #0d1220;
}

.classifier-card h3 {
  font-family: Arial, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 2.8rem 0 0.9rem;
}

.classifier-card > p:not(.classifier-index) {
  max-width: 620px;
  color: var(--muted);
}

.classifier-card .classifier-note {
  margin: 1.25rem 0 0;
  color: var(--cyan);
  font-size: 0.78rem;
}

.docker-link {
  margin-top: 1.25rem;
}

body {
  padding-top: 64px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  width: 100%;
  max-width: none;
  height: 64px;
  padding: 0;
  background: rgb(9 11 20 / 88%);
  border-bottom: 1px solid rgb(41 49 71 / 80%);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 3rem, 1360px);
  height: 100%;
  margin: 0 auto;
}

.section,
footer {
  max-width: 1360px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header nav a.is-active,
.site-header nav a[aria-current="location"] {
  color: var(--cyan);
  text-shadow: 0 0 12px rgb(98 230 229 / 35%);
}

.section {
  scroll-margin-top: 80px;
}

.hero {
  min-height: calc(100vh - 64px);
}

.vibe-gui {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
  border-top: 1px solid var(--line);
}

.vibe-copy > p:not(.eyebrow) {
  max-width: 540px;
  color: var(--muted);
}

.vibe-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0d1220;
  box-shadow: 14px 14px 0 #0004;
}

.web-gui-video {
  display: block;
  width: 100%;
  height: auto;
}

footer > a:not(.brand) {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
}

footer > a:not(.brand):hover,
footer > a:not(.brand):focus-visible {
  color: var(--cyan);
}

@media (max-width: 640px) {
  .header-inner {
    width: min(100% - 2rem, 1360px);
  }

  .header-inner .brand {
    font-size: 0.68rem;
  }

  .header-links {
    gap: 0.65rem;
  }

  .header-link {
    font-size: 0.68rem;
  }
}

@media (max-width: 800px) {
  .vibe-gui {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (min-width: 1000px) {
  .hero {
    grid-template-columns: 1.15fr 0.85fr;
  }

  h1 {
    font-size: clamp(3.2rem, 5.6vw, 5.6rem);
  }

  h1 em {
    white-space: nowrap;
  }
}
