:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  --bg: #f7f4ee;
  --ink: #1d252c;
  --muted: #62717d;
  --line: #d9d2c5;
  --panel: #ffffff;
  --accent: #0c7c79;
  --accent-ink: #073f3f;
  --warm: #b85c38;
  --dark: #17212b;
}

body {
  background: var(--bg);
  color: var(--ink);
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: 72rem;
  padding: 3.5rem 1.25rem 5rem;
}

h1 {
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1;
  margin: 0 0 1.5rem;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.1;
  margin: 0;
}

p {
  font-size: 1.125rem;
}

a {
  color: inherit;
}

.session-hero {
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
  padding-bottom: 2rem;
}

.eyebrow {
  color: var(--accent-ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

.lede {
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  max-width: 46rem;
}

.module-nav {
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}

.module-nav a {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent-ink);
  font-size: 0.92rem;
  font-weight: 750;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
}

.module-nav a:focus,
.module-nav a:hover {
  border-color: var(--accent);
  outline: 2px solid transparent;
}

.module-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin: 0 0 3rem;
}

.module,
.written-module {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.module {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.module-heading p {
  color: var(--muted);
  margin-bottom: 0;
}

.tella-embed {
  background: var(--dark);
  border-radius: 8px;
  height: 0;
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
}

.tella-embed iframe {
  border: 0;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.workflow-preview {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  --workflow-preview-height: min(58rem, 82vh);
  height: min(58rem, 82vh);
  min-height: 40rem;
  overflow: hidden;
}

.workflow-loader {
  height: 100%;
}

.workflow-loader,
.workflow-fallback {
  color: var(--muted);
}

.workflow-fallback a {
  color: var(--accent-ink);
  font-weight: 750;
}

.resource-type {
  color: var(--warm);
  font-size: 0.82rem;
  font-weight: 800;
}

n8n-demo {
  display: block;
  height: 100%;
  min-height: 40rem;
  --n8n-workflow-min-height: var(--workflow-preview-height);
}

.replay-embed {
  background: var(--dark);
  border-radius: 8px;
  height: min(42rem, 72vh);
  min-height: 28rem;
  overflow: hidden;
}

.replay-embed iframe {
  border: 0;
  height: 100%;
  width: 100%;
}

.module-link {
  font-size: 1rem;
  font-weight: 750;
  margin: 0;
}

.module-link a {
  color: var(--accent-ink);
}

.resource-band {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
}

.section-heading {
  margin-bottom: 1rem;
}

.section-heading p {
  color: var(--muted);
  max-width: 42rem;
}

.resource-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.resource-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 0.5rem;
  min-height: 10rem;
  padding: 1rem;
  text-decoration: none;
}

.resource-card a:focus,
.resource-card a:hover,
.resource-card button:focus,
.resource-card button:hover {
  border-color: var(--accent);
  outline: 2px solid transparent;
}

.resource-card strong {
  font-size: 1.15rem;
}

.resource-card span:last-child {
  color: var(--muted);
}

.resource-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.resource-actions a,
.resource-actions button {
  align-items: center;
  border: 1px solid var(--accent);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 750;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
}

.resource-actions a,
.resource-actions button {
  background: var(--accent);
  color: var(--panel);
}

.resource-actions a:hover,
.resource-actions a:focus,
.resource-actions button:hover,
.resource-actions button:focus {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
}

.resource-actions [data-copy-url].is-copied {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: var(--panel);
}

.written-module {
  margin-top: 0.5rem;
  padding: 1.5rem;
}

.written-module p {
  max-width: 52rem;
}

.routine-list {
  margin: 0;
  padding-left: 1.25rem;
}

.routine-list li {
  font-size: 1.05rem;
  margin: 0.65rem 0;
}

.resource-card-disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

@media (max-width: 860px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .workflow-preview,
  n8n-demo {
    --workflow-preview-height: min(44rem, 78vh);
    height: min(44rem, 78vh);
    min-height: 30rem;
  }
}