/* ketaminedoseguide.com — deep blue + gold (clinical education theme) */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f6fa;
  --ink: #141b2d;
  --ink-soft: #4e5567;
  --accent: #2a5ba8;
  --accent-dark: #1d4280;
  --accent-soft: #e8eef8;
  --border: #d4d9e3;
  --warn: #c48a1a;
  --max: 1000px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: Georgia, "Times New Roman", Times, serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

.sans {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s;
}
a:hover { color: var(--accent-dark); }

/* ── Header ── */
header.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand span { color: var(--accent); }

.nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
}
.nav ul a { text-decoration: none; color: var(--ink-soft); }
.nav ul a:hover { color: var(--accent); }

/* ── Main ── */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.kicker {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 2.2rem 0 0.8rem;
  color: var(--ink);
}

h3 {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 1.6rem 0 0.5rem;
  color: var(--ink);
}

.lede {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}

.byline, .meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

p { margin-bottom: 1.1rem; }

ul.content, ol.content {
  margin: 0 0 1.4rem 1.4rem;
  line-height: 1.75;
}
ul.content li, ol.content li {
  margin-bottom: 0.35rem;
}

/* ── Callout ── */
.callout {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  margin: 1.8rem 0;
}
.callout h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--accent-dark);
}

/* ── Warning Box ── */
.warning-box {
  background: #fdf6e8;
  border-left: 4px solid var(--warn);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  margin: 1.8rem 0;
}
.warning-box h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--warn);
}

/* ── CTA ── */
.cta {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  padding: 0.7rem 1.6rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
  margin: 0.5rem 0.5rem 0.5rem 0;
}
.cta:hover { background: var(--accent-dark); color: #fff; }
.cta.secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.cta.secondary:hover {
  background: var(--accent-soft);
}

/* ── Table ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: 0.95rem;
}
th, td {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  text-align: left;
}
th {
  background: var(--accent-soft);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-dark);
}

/* ── Provider Card ── */
.provider-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.3rem 1.5rem;
  margin: 1.2rem 0;
  position: relative;
}
.provider-card.featured {
  border-color: var(--accent);
  border-width: 2px;
  background: var(--accent-soft);
}
.rank {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

/* ── Dose Chart ── */
.dose-chart {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.8rem 0;
}
.dose-chart h3 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  color: var(--accent-dark);
}
.dose-chart .bar-row {
  display: flex;
  align-items: center;
  margin-bottom: 0.6rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
}
.dose-chart .bar-label {
  width: 120px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--ink);
}
.dose-chart .bar-track {
  flex: 1;
  height: 22px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.dose-chart .bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
}
.dose-chart .bar-fill.warn { background: var(--warn); }
.dose-chart .bar-value {
  width: 70px;
  flex-shrink: 0;
  text-align: right;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

/* ── FAQ ── */
.faq-q {
  font-weight: 700;
  margin: 1.4rem 0 0.4rem;
  font-size: 1.05rem;
  color: var(--ink);
}

/* ── Disclaimer ── */
.disclaimer {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.2rem;
  line-height: 1.55;
}

/* ── Footer ── */
footer.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
footer .wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
footer a { color: var(--ink-soft); }
footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  h1 { font-size: 1.55rem; }
  .nav { flex-direction: column; align-items: flex-start; }
  .nav ul { flex-wrap: wrap; gap: 0.75rem; }
  footer .wrap { flex-direction: column; text-align: center; }
  .dose-chart .bar-label { width: 90px; font-size: 0.8rem; }
}