:root {
  color-scheme: dark;
  --bg: #0D0E0F;
  --surface: #252729;
  --text: #D4BE98;
  --muted: #928374;
  --amber: #D49748;
  --lime: #A9B665;
  --sage: #4A7C59;
  --forest: #2D4A3E;
  --border: #292D2C;
  --border-strong: #3A4940;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --content-width: 1080px;
}

* { box-sizing: border-box; }

html { min-width: 320px; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: relative;
  z-index: 10;
  width: 100%;
  border-bottom: 1px solid #202322;
  background: rgba(13, 14, 15, 0.96);
}

.nav-shell {
  width: min(var(--content-width), calc(100% - 48px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-mark {
  color: var(--lime);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -1px;
}

.mark-dot { color: var(--amber); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  color: var(--muted);
  font-size: 12px;
  transition: color 150ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active { color: var(--text); }

.nav-link.active { box-shadow: inset 0 -1px var(--sage); }
.nav-x { color: var(--lime); }
.nav-x span, .site-footer a span { color: var(--amber); }

.menu-toggle {
  display: none;
  width: 42px;
  height: 38px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 4px 0;
  background: var(--text);
  transition: transform 150ms ease, opacity 150ms ease;
}

.home-main,
.catalog-main {
  width: min(var(--content-width), calc(100% - 48px));
  margin: 0 auto;
  flex: 1;
}

.home-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 100px;
  padding-bottom: 82px;
}

.hero { max-width: 760px; padding: 22px 0 60px; }

.eyebrow {
  margin: 0 0 21px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.prompt-mark { color: var(--lime); }

.hero h1,
.catalog-intro h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 1.16;
}

.title-accent { color: var(--lime); }

.hero-copy {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px;
  margin-top: 33px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 17px;
  border: 1px solid var(--sage);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button-primary { background: var(--forest); color: var(--text); }
.button-primary:hover { background: var(--sage); border-color: var(--lime); transform: translateY(-1px); }
.button-primary span { color: var(--lime); }

.text-link {
  color: var(--muted);
  font-size: 12px;
  transition: color 150ms ease;
}
.text-link:hover { color: var(--text); }
.text-link span { color: var(--amber); }

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.status-dot {
  width: 7px;
  height: 7px;
  display: inline-block;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.12);
}

.focus-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.focus-item {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--muted);
  font-size: 11px;
}

.focus-item + .focus-item { border-left: 1px solid var(--border); }
.focus-index { color: var(--lime); font-size: 10px; }

.catalog-main { padding-top: 76px; padding-bottom: 76px; }
.catalog-intro { margin-bottom: 35px; }
.catalog-intro .eyebrow { margin-bottom: 16px; }
.catalog-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.catalog-intro h1 { font-size: clamp(34px, 5vw, 48px); }
.title-period { color: var(--amber); }
.catalog-copy { max-width: 650px; margin: 14px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.catalog-count { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 8px; color: var(--muted); font-size: 11px; white-space: nowrap; }

.bot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.bot-card {
  min-height: 258px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  transition: border-color 160ms ease, background 160ms ease;
}

.bot-card:hover { border-color: var(--border-strong); background: #292D2E; }

.card-topline {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.card-id { color: var(--lime); font-size: 10px; }
.card-type { color: var(--muted); font-size: 10px; text-align: right; }
.bot-card h2 { margin: 0; color: var(--text); font-size: 16px; font-weight: 600; letter-spacing: -0.035em; line-height: 1.45; }
.card-description { margin: 10px 0 17px; color: var(--muted); font-size: 11px; line-height: 1.85; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.tag { display: inline-flex; align-items: center; min-height: 23px; padding: 2px 8px; border: 1px solid transparent; border-radius: 2px; font-size: 9px; line-height: 1.4; }
.tag-sage { color: #A7C4A9; border-color: rgba(74, 124, 89, 0.42); background: rgba(45, 74, 62, 0.35); }
.tag-lime { color: var(--lime); border-color: rgba(169, 182, 101, 0.28); background: rgba(169, 182, 101, 0.08); }

.card-link {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 19px;
  padding-top: 12px;
  border-top: 1px solid rgba(146, 131, 116, 0.16);
  color: var(--text);
  font-size: 11px;
  transition: color 150ms ease;
}

.card-link span { color: var(--amber); }
.card-link:hover { color: var(--lime); }
.catalog-footnote { margin: 25px 0 0; color: var(--muted); font-size: 11px; }

.site-footer {
  width: min(var(--content-width), calc(100% - 48px));
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
}

.site-footer a { color: var(--lime); transition: color 150ms ease; }
.site-footer a:hover { color: var(--text); }
.footer-center { text-align: center; }

:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }

@media (max-width: 850px) {
  .bot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .focus-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .focus-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
  .focus-item:nth-child(4) { border-top: 1px solid var(--border); }
}

@media (max-width: 620px) {
  body { font-size: 13px; }
  .nav-shell, .home-main, .catalog-main, .site-footer { width: min(100% - 36px, var(--content-width)); }
  .nav-shell { min-height: 62px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 18px;
    left: 18px;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 7px 14px;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: #17191A;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
  }
  .site-nav.is-open { display: flex; flex-direction: column; }
  .nav-link { padding: 11px 4px; }
  .nav-link + .nav-link { border-top: 1px solid var(--border); }
  .nav-link.active { box-shadow: none; color: var(--lime); }
  .home-main { padding-top: 75px; padding-bottom: 58px; }
  .hero { padding: 12px 0 42px; }
  .hero h1 { font-size: clamp(38px, 12vw, 54px); }
  .hero-copy { margin-top: 20px; font-size: 13px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 27px; }
  .hero-note { align-items: flex-start; margin-top: 27px; line-height: 1.7; }
  .focus-item { min-height: 64px; padding: 10px 11px; font-size: 10px; }
  .catalog-main { padding-top: 52px; padding-bottom: 58px; }
  .catalog-heading-row { align-items: flex-start; flex-direction: column; gap: 12px; }
  .catalog-count { padding: 0; }
  .catalog-intro { margin-bottom: 25px; }
  .bot-grid { grid-template-columns: 1fr; gap: 11px; }
  .bot-card { min-height: 230px; padding: 18px; }
  .site-footer { min-height: auto; flex-wrap: wrap; justify-content: space-between; padding: 18px 0; }
  .footer-center { order: 3; width: 100%; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}