:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #121821;
  --border: #1e2a38;
  --text: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3dd6c6;
  --accent-dim: #1a9e91;
  --warn: #f0b429;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #14303a 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2438 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  background: rgba(11, 15, 20, 0.85);
  z-index: 10;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.logo {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #4f8cff);
  color: #041016;
  font-weight: 800;
  font-size: 0.85rem;
}

.brand strong {
  display: block;
  letter-spacing: 0.02em;
}

.tag {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

nav a {
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero {
  padding: 2rem 0 2.5rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.lede {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--accent-dim);
}

.btn.primary {
  background: var(--accent);
  color: #041016;
  border-color: transparent;
}

.catalog {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.catalog-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.catalog-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

input[type="search"],
select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  font: inherit;
  min-width: 10rem;
}

.check {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.status {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
}

.tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.tool-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  background: rgba(0, 0, 0, 0.2);
}

.tool-card header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  justify-content: space-between;
}

.tool-card h3 {
  margin: 0;
  font-size: 1rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge.verified {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.tool-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.agents {
  margin-top: 2rem;
}

.agents h2 {
  font-size: 1.1rem;
}

.code {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #b8c9dc;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  nav {
    gap: 0.65rem;
    font-size: 0.8rem;
  }
}