/* Base + article layout for individual protocol pages under /protocols/ */

:root {
  --bg: #0c0f14;
  --bg-elevated: #141a24;
  --border: rgba(94, 234, 212, 0.14);
  --accent: #5eead4;
  --text: #e8edf5;
  --text-muted: #8b98ab;
  --radius: 12px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(94, 234, 212, 0.08), transparent),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(56, 189, 248, 0.06), transparent),
    var(--bg);
}

main.hub-protocol-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 2.5rem;
  width: 100%;
}

.hub-protocol-breadcrumb {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--text-muted, #8b98ab);
}

.hub-protocol-breadcrumb a {
  color: var(--accent, #5eead4);
  font-weight: 600;
  text-decoration: none;
}

.hub-protocol-breadcrumb a:hover {
  text-decoration: underline;
}

main.hub-protocol-article h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.45rem, 3.8vw, 1.85rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

main.hub-protocol-article .lead {
  margin: 0 0 1.25rem;
  color: var(--text-muted, #8b98ab);
  font-size: 0.95rem;
  line-height: 1.55;
}

main.hub-protocol-article .lead.lead--split-end {
  margin-bottom: 0.55rem;
}

main.hub-protocol-article .lead.lead--split-continued {
  margin-top: 0;
}

main.hub-protocol-article .hub-protocol-product-shot {
  margin: 0 auto 1.15rem;
  text-align: center;
}

main.hub-protocol-article .hub-protocol-product-shot img {
  max-width: min(100%, 34rem);
  height: auto;
  vertical-align: middle;
  border-radius: 10px;
  border: 1px solid rgba(94, 234, 212, 0.2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

main.hub-protocol-article .hub-protocol-reagent-table-img {
  margin: 0.5rem 0 0;
  text-align: center;
}

main.hub-protocol-article .hub-protocol-reagent-table-img img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border-radius: 8px;
  border: 1px solid rgba(94, 234, 212, 0.22);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

main.hub-protocol-article section {
  background: var(--bg-elevated, #141a24);
  border: 1px solid var(--border, rgba(94, 234, 212, 0.14));
  border-radius: var(--radius, 12px);
  padding: 1.05rem 1.15rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow, 0 24px 48px rgba(0, 0, 0, 0.45));
}

main.hub-protocol-article section h2 {
  margin: 0 0 0.6rem;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

main.hub-protocol-article section p,
main.hub-protocol-article section li {
  margin: 0;
  color: var(--text-muted, #8b98ab);
  font-size: 0.92rem;
  line-height: 1.58;
}

main.hub-protocol-article section p + p {
  margin-top: 0.65rem;
}

main.hub-protocol-article section h2 + h3 {
  margin-top: 0.75rem;
}

main.hub-protocol-article section h3 {
  margin: 0.85rem 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text, #e8edf5);
}

main.hub-protocol-article section hr + h3 {
  margin-top: 0.55rem;
}

main.hub-protocol-article section ol {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

main.hub-protocol-article section ul {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
}

main.hub-protocol-article section ol ul {
  margin: 0.4rem 0 0.35rem;
  padding-left: 1.15rem;
  list-style: disc;
}

main.hub-protocol-article hr.hub-protocol-hr {
  border: 0;
  border-top: 1px solid rgba(94, 234, 212, 0.18);
  margin: 0.85rem 0;
}

main.hub-protocol-article section li + li {
  margin-top: 0.4rem;
}

main.hub-protocol-article section a {
  color: var(--accent, #5eead4);
  font-weight: 600;
  text-decoration: none;
}

main.hub-protocol-article section a:hover {
  text-decoration: underline;
}

main.hub-protocol-article .hub-protocol-hero {
  margin: 0 0 1.25rem;
  border-radius: var(--radius, 12px);
  overflow: hidden;
  border: 1px solid var(--border, rgba(94, 234, 212, 0.14));
  box-shadow: var(--shadow, 0 24px 48px rgba(0, 0, 0, 0.45));
}

main.hub-protocol-article .hub-protocol-hero--top {
  margin-top: 0;
  margin-bottom: 0.85rem;
}

main.hub-protocol-article .hub-protocol-hero--top + .hub-protocol-breadcrumb {
  margin-top: 0;
}

main.hub-protocol-article .hub-protocol-hero img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

main.hub-protocol-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
}

main.hub-protocol-article caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  color: var(--text, #e8edf5);
  margin-bottom: 0.55rem;
  line-height: 1.35;
}

main.hub-protocol-article th,
main.hub-protocol-article td {
  border: 1px solid rgba(94, 234, 212, 0.22);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

main.hub-protocol-article thead th {
  color: var(--accent, #5eead4);
  font-weight: 600;
  background: rgba(94, 234, 212, 0.06);
}

main.hub-protocol-article tbody td:first-child {
  font-weight: 500;
  color: var(--text, #e8edf5);
}

main.hub-protocol-article .hub-protocol-steps li table {
  margin: 0.5rem 0 0;
  width: 100%;
}

main.hub-protocol-article .hub-protocol-table-note,
main.hub-protocol-article figcaption.hub-protocol-table-note {
  margin: 0.65rem 0 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted, #8b98ab);
  text-align: center;
}

main.hub-protocol-article .hub-protocol-steps {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

main.hub-protocol-article .hub-protocol-steps li {
  margin: 0;
  color: var(--text-muted, #8b98ab);
  font-size: 0.92rem;
  line-height: 1.58;
}

main.hub-protocol-article .hub-protocol-steps li + li {
  margin-top: 0.5rem;
}

main.hub-protocol-article .hub-protocol-callout {
  margin: 0.75rem 0 0;
  padding: 0.75rem 0.95rem;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  background: rgba(94, 234, 212, 0.06);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-muted);
}

main.hub-protocol-article .hub-protocol-callout strong {
  color: var(--text);
}

main.hub-protocol-article .hub-protocol-step-figure {
  margin: 1rem 0 0.25rem;
}

main.hub-protocol-article .hub-protocol-step-figure img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
}

main.hub-protocol-article .hub-protocol-pdf-download {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(94, 234, 212, 0.06);
  font-size: 0.92rem;
  line-height: 1.5;
}

main.hub-protocol-article .hub-protocol-pdf-download a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

main.hub-protocol-article .hub-protocol-pdf-download a:hover {
  text-decoration: underline;
}

@media (max-width: 540px) {
  main.hub-protocol-article {
    padding: 1.35rem 1rem 2rem;
  }
}