:root {
  color-scheme: light;
  --ink: #18222f;
  --muted: #536273;
  --line: #d7dee8;
  --paper: #fbfcfe;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-2: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px;
}

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

.brand {
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.hero,
.detail,
.content-band {
  max-width: 1160px;
  margin: 0 auto;
  padding: 44px 20px 24px;
}

.hero {
  min-height: 280px;
  display: grid;
  align-items: end;
}

.eyebrow,
.tool-meta {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  max-width: 820px;
  font-size: clamp(38px, 6vw, 68px);
}

h2 {
  font-size: 24px;
}

.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.grid {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.tool-card {
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
}

.tool-card ul,
.keyword-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--ink);
  background: #fff;
  font-weight: 750;
  text-decoration: none;
}

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

.content-band {
  padding-top: 20px;
}

.content-band p {
  max-width: 780px;
  color: var(--muted);
}

.site-footer {
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

@media (max-width: 720px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero,
  .detail {
    padding-top: 32px;
  }
}