/* LuxiEdge site — light theme aligned with luxiedge.com */
:root {
  --bg: #ffffff;
  --bg-subtle: #f9fafb;
  --bg-elev: #f3f4f6;
  --bg-card: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #374151;
  --faint: #6b7280;
  --accent: #059669;
  --accent-dim: #d1fae5;
  --accent-fg: #065f46;
  --warn-bg: #fef3c7;
  --warn-border: #f59e0b;
  --link: #059669;
  --btn-bg: #111827;
  --btn-fg: #ffffff;
  --btn-hover: #374151;
  --radius: 12px;
  --max: 1080px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--muted);
  line-height: 1.65;
  font-size: 17px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

/* Nav */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  font-size: 1.3rem;
  text-decoration: none !important;
}
.brand span { color: var(--accent); }
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--faint);
  font-size: 0.85rem;
  text-decoration: none !important;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-links .cta-nav {
  background: var(--btn-bg);
  color: var(--btn-fg) !important;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
}
.nav-links .cta-nav:hover { background: var(--btn-hover); }

/* Hero */
.hero {
  padding: 3.25rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}
.eyebrow {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(1.85rem, 4.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 20ch;
  margin-bottom: 1rem;
  color: var(--text);
}
.hero .lede {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 52ch;
  margin-bottom: 1.75rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none !important;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-fg) !important;
}
.btn-primary:hover { background: var(--btn-hover); }
.btn-secondary {
  background: transparent;
  color: var(--text) !important;
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--faint); }
.btn-ghost {
  background: var(--accent-dim);
  color: var(--accent-fg) !important;
}

/* Metric strip */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
}
.metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.metric .val {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.metric .label {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.2rem;
}
.metric .src {
  font-size: 0.75rem;
  color: var(--faint);
  margin-top: 0.45rem;
}
.metric .src a { color: var(--faint); }

/* Sections */
section { padding: 2.75rem 0; border-bottom: 1px solid var(--border); }
section h2 {
  font-family: var(--display);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text);
}
section .sub {
  color: var(--faint);
  max-width: 60ch;
  margin-bottom: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.card h3 {
  font-family: var(--display);
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
  color: var(--text);
}
.card p, .card li { color: var(--muted); font-size: 0.95rem; }
.card ul { padding-left: 1.15rem; margin-top: 0.5rem; }
.card li { margin: 0.3rem 0; }
.card.accent {
  border-color: #a7f3d0;
  background: linear-gradient(160deg, var(--accent-dim), #ffffff);
}

/* Tables */
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--faint);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-subtle);
}
td { font-variant-numeric: tabular-nums; color: var(--muted); }
tr:hover td { background: var(--bg-subtle); }
tr.row-highlight td {
  background: var(--accent-dim);
  color: var(--text);
  font-weight: 600;
}

/* Callouts */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  padding: 0.9rem 1.1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.25rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.callout.warn {
  border-left-color: var(--warn-border);
  background: var(--warn-bg);
}
.callout strong { color: var(--text); }

.pill-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1rem 0; }
.pill {
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--faint);
  background: var(--bg-subtle);
}

/* Footnotes */
.footnote, .method {
  font-size: 0.85rem;
  color: var(--faint);
  margin-top: 1rem;
  max-width: 70ch;
}
.method code, code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-elev);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  color: var(--text);
}
pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 1rem 0;
}

/* Footer */
.site-footer {
  padding: 2rem 0 3rem;
  color: var(--faint);
  font-size: 0.88rem;
}
.site-footer a { color: var(--muted); }
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: flex-start;
}

/* Page title (inner pages) */
.page-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}
.page-hero h1 {
  font-family: var(--display);
  font-size: clamp(1.65rem, 3.5vw, 2.15rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.page-hero .lede { color: var(--muted); max-width: 55ch; }

/* Evidence list */
.pack {
  display: block;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 0.75rem;
  text-decoration: none !important;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.pack:hover {
  border-color: #6ee7b7;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.pack h3 { color: var(--text); margin-bottom: 0.25rem; font-family: var(--display); }
.pack p { color: var(--muted); font-size: 0.92rem; margin: 0; }
.pack .tag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--accent-fg);
  margin-bottom: 0.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.two-path {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}
@media (max-width: 720px) {
  .two-path { grid-template-columns: 1fr; }
}
.two-path .card h3 { color: var(--accent); }

strong { color: var(--text); font-weight: 600; }

/* Three-leg home grid */
.two-path.three-leg,
.two-path[style*="grid-template-columns: 1fr 1fr 1fr"] {
  grid-template-columns: 1fr 1fr 1fr;
}
@media (max-width: 900px) {
  .two-path[style*="grid-template-columns: 1fr 1fr 1fr"] {
    grid-template-columns: 1fr;
  }
  .nav-links { gap: 0.25rem 0.75rem; }
  .nav-links a { font-size: 0.8rem; }
}