/* ================================================================
   The MV-Ed Project — shared mockup stylesheet
   Brand tokens locked per CLAUDE.md §3 (do not redefine).
   This stylesheet is a visualization aid for Daniel and the hired
   designer. It is NOT production code; the designer will rebuild on
   their chosen platform (Squarespace/Webflow/etc.) per decision 8.2.
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

/* --- Design tokens ------------------------------------------------ */
:root {
  /* Colors (CLAUDE.md §3) */
  --color-primary-blue: #1565D8;
  --color-deep-navy:    #0D1B2A;
  --color-accent-blue:  #60A5FA;
  --color-light-bg:     #F5F9FF;
  --color-white:        #FFFFFF;
  --color-text:         #1F2937;
  --color-border:       #DCE7F5;
  --color-muted:        #6B7280;

  /* Typography */
  --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-2xs: 4px;
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  48px;
  --space-xl:  72px;
  --space-2xl: 96px;

  /* Layout */
  --container-max: 1200px;
  --header-h: 80px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
}

/* --- Reset / base ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-deep-navy);
  margin: 0;
  letter-spacing: -0.01em;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; padding: 0; }

/* --- Container ---------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Buttons ------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.18s ease;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--color-primary-blue);
  color: var(--color-white);
}
.btn-primary:hover { background: #0F4FB0; transform: translateY(-1px); }
.btn-ghost-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost-light:hover { border-color: var(--color-white); background: rgba(255,255,255,0.08); }
.btn-secondary {
  background: transparent;
  color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
}
.btn-secondary:hover { background: var(--color-primary-blue); color: var(--color-white); }

/* --- Header (§A) -------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  height: 100%;
  max-width: none; /* span full viewport — body sections keep their 1200px constraint */
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo img { height: 56px; width: auto; display: block; }
nav.primary-nav { display: flex; align-items: center; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-deep-navy);
  transition: color 0.15s ease;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-primary-blue); }
.has-dropdown::after {
  content: '▾';
  font-size: 10px;
  margin-left: 4px;
  color: var(--color-muted);
}
.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto; /* pushes search + CTA to the far right */
  flex-shrink: 0;
}
.search-box { position: relative; }
.search-box input {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 14px 8px 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  width: 220px;
  color: var(--color-text);
  background: var(--color-white);
}
.search-box input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}
.search-box::before {
  content: '⌕';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--color-muted);
  pointer-events: none;
}

/* --- Hero (§B Option B — full-bleed background, with offers strip)-- */
.hero {
  position: relative;
  min-height: 600px;
  background-size: cover;
  background-position: center 55%;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* text at top, offers strip at bottom — keeps both in first viewport */
  overflow: hidden;
  color: var(--color-white);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,27,42,0.55) 0%, rgba(13,27,42,0.65) 60%, rgba(13,27,42,0.78) 100%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  text-align: center;
  padding: 60px var(--space-md) var(--space-2xs);
}
.hero h1 {
  color: var(--color-white);
  font-size: clamp(34px, 4.8vw, 56px);
  margin-bottom: var(--space-md);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero .subhead {
  font-size: clamp(17px, 1.5vw, 20px);
  color: rgba(255,255,255,0.92);
  max-width: 700px;
  margin: 0 auto var(--space-md);
  line-height: 1.55;
}
.hero .subhead strong {
  color: var(--color-white);
  font-weight: 700;
  border-bottom: 2px solid var(--color-accent-blue);
  padding-bottom: 2px;
}
.hero .kicker {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero .kicker::before,
.hero .kicker::after {
  content: '';
  width: 28px;
  height: 1px;
  background: rgba(255,255,255,0.35);
}

/* Offers strip absorbed into the hero, at the bottom — feels continuous with the kicker above */
.hero-offers {
  position: relative;
  background: rgba(13,27,42,0.4);
  backdrop-filter: blur(2px);
  padding: var(--space-sm) 0 var(--space-md);
}
.hero-offers-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}
.hero-offer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  color: var(--color-white);
  padding: 0 var(--space-xs);
}
.hero-offer .icon {
  font-size: 30px;
  line-height: 1;
  color: var(--color-accent-blue);
}
.hero-offer .label {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white);
  letter-spacing: -0.005em;
}
.hero-offer .description {
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255,255,255,0.78);
  max-width: 200px;
}

/* --- Three-track selector (§D) ------------------------------------ */
.tracks {
  padding: var(--space-lg) 0 var(--space-2xl);
  background: var(--color-white);
}
.tracks .section-head {
  text-align: center;
  margin-bottom: var(--space-md);
}
.tracks .section-head h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  margin-bottom: 12px;
}
.tracks .section-head p {
  font-size: 17px;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.track-card {
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.track-card:hover {
  border-color: var(--color-accent-blue);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(13,27,42,0.08);
}
.track-card h3 {
  font-size: 20px;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
  color: var(--color-deep-navy);
}
.track-card .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: var(--space-sm) 0 4px;
}
.track-card .label-body { font-size: 14px; line-height: 1.55; color: var(--color-text); }
.track-card .btn {
  margin-top: auto;
  align-self: flex-start;
  padding: 10px 18px;
  font-size: 14px;
}

/* --- Institutional CTA (§E) — centered card on light section ----- */
.institutional {
  background: var(--color-light-bg);
  padding: var(--space-2xl) 0;
}
.institutional .card {
  background: var(--color-deep-navy);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--color-accent-blue);
  padding: var(--space-lg) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  box-shadow: 0 16px 40px rgba(13,27,42,0.18), 0 4px 12px rgba(13,27,42,0.08);
  position: relative;
  overflow: hidden;
}
.institutional .card::after {
  content: '';
  position: absolute;
  top: 0;
  right: -120px;
  width: 320px;
  height: 100%;
  background: radial-gradient(circle at center, rgba(96,165,250,0.16), transparent 65%);
  pointer-events: none;
}
.institutional .pitch h3 {
  color: var(--color-white);
  font-size: 24px;
  margin-bottom: 8px;
}
.institutional .pitch p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  max-width: 560px;
  margin: 0;
}
.institutional .card .btn {
  position: relative; /* sits above the radial glow */
  z-index: 1;
}

/* --- Partner banner (§G) ------------------------------------------ */
.partners {
  background: var(--color-light-bg);
  padding: var(--space-md) 0;
}
.partners .label {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}
.partners-row {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  align-items: center;
}
.partner-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-deep-navy);
  opacity: 0.5;
  transition: opacity 0.2s ease;
}
.partner-logo:hover { opacity: 1; }

/* --- Testimonials (§H) -------------------------------------------- */
.testimonials {
  padding: var(--space-2xl) 0;
  background: var(--color-white);
}
.testimonials .section-head {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.testimonials .section-head h2 {
  font-size: clamp(28px, 3.2vw, 38px);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.testimonial-card {
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.testimonial-card blockquote {
  font-size: 16px;
  font-style: italic;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  line-height: 1.6;
}
.testimonial-card cite { font-style: normal; display: block; }
.testimonial-card .author {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-deep-navy);
  font-size: 15px;
  margin-bottom: 2px;
}
.testimonial-card .affiliation {
  font-size: 13px;
  color: var(--color-muted);
}

/* --- Metrics (§I) ------------------------------------------------- */
.metrics {
  background: var(--color-white);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.metric .number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 48px;
  color: var(--color-primary-blue);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.metric .label {
  font-size: 13px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

/* --- Footer (§K) -------------------------------------------------- */
.site-footer {
  background: var(--color-deep-navy);
  color: rgba(255,255,255,0.85);
  padding: var(--space-lg) 0 var(--space-md);
  font-size: 14px;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.site-footer h4 {
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}
.site-footer .brand-block .logo {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  display: inline-flex;
}
.site-footer .brand-block .full-name {
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  margin-bottom: var(--space-sm);
  max-width: 240px;
}
.site-footer .brand-block .tag {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer ul a:hover { color: var(--color-accent-blue); }
.site-footer .newsletter-col p {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-sm);
  line-height: 1.55;
}
.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.55);
  font-size: 12px;
}
.footer-bottom .social {
  display: flex;
  gap: var(--space-sm);
  font-size: 16px;
}
.footer-bottom .social a:hover { color: var(--color-accent-blue); }

/* ============================================================
   Content landing pages (Pre-ICU, Comprehensive, Advanced)
   These components are intentionally reusable across the three
   learning tracks so the visual language stays consistent.
   ============================================================ */

/* --- Page hero (lighter than home .hero) -------------------------- */
.page-hero {
  background: var(--color-light-bg);
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.page-hero .breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}
.page-hero .breadcrumb a { color: var(--color-muted); }
.page-hero .breadcrumb a:hover { color: var(--color-primary-blue); }
.page-hero .breadcrumb .sep { margin: 0 8px; opacity: 0.6; }
.page-hero h1 {
  font-size: clamp(34px, 4.2vw, 48px);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.page-hero .course-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 22px;
  color: var(--color-primary-blue);
  margin-bottom: var(--space-md);
}
.page-hero .subhead {
  font-size: 17px;
  color: var(--color-text);
  max-width: 760px;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}
.page-hero .cta-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

/* --- Page hero with right-column image ---------------------------- */
/* Modifier on .page-hero. Adds a two-column grid: text left, image
   right. Image container uses 5:4 aspect to match the natural aspect
   of the source PNGs (1167×941 ≈ 1.24) so nothing is cropped. The
   navy container background blends with the image's own dark bg. */
.page-hero-with-image .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.page-hero-with-image .hero-image {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-deep-navy);
  box-shadow: 0 20px 50px rgba(13, 27, 42, 0.22);
}
.page-hero-with-image .hero-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
@media (max-width: 800px) {
  .page-hero-with-image .container { grid-template-columns: 1fr; }
  .page-hero-with-image .hero-image { aspect-ratio: 16 / 10; }
}

/* --- At-a-glance stats strip -------------------------------------- */
.at-a-glance {
  padding: var(--space-lg) 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.at-a-glance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.glance-stat .number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 42px;
  color: var(--color-primary-blue);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.glance-stat .label {
  font-size: 13px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.glance-stat .note {
  font-size: 11px;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 4px;
}

/* --- v2 callout strips (cert at top, mid-page cross-link) --------- */
.callout-strip {
  padding: var(--space-md) 0;
  background: var(--color-light-bg);
  border-left: 4px solid var(--color-accent-blue);
}
.callout-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.callout-strip .pitch {
  font-size: 16px;
  color: var(--color-text);
  flex: 1;
  min-width: 280px;
}
.callout-strip .pitch strong {
  color: var(--color-deep-navy);
  font-weight: 700;
}
.callout-strip.v2-only {
  background: linear-gradient(to right, rgba(96,165,250,0.12), rgba(245,249,255,0.6));
}
.v2-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-blue);
  background: var(--color-white);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent-blue);
  margin-right: 12px;
  vertical-align: middle;
}

/* --- Video grid (§C) ---------------------------------------------- */
.video-grid-section {
  padding: var(--space-lg) 0 var(--space-2xl);
  background: var(--color-white);
}
.video-grid-section .section-head {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.video-grid-section .section-head h2 {
  font-size: clamp(28px, 3.2vw, 36px);
  margin-bottom: 12px;
}
.video-grid-section .section-head p {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.55;
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.video-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.video-card:hover {
  border-color: var(--color-accent-blue);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(13,27,42,0.08);
}
.video-card .thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-deep-navy), var(--color-primary-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.video-card .thumb .play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-white);
  backdrop-filter: blur(2px);
}
.video-card .v-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary-blue);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}
.video-card .duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(13,27,42,0.75);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.video-card .body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.video-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-deep-navy);
  line-height: 1.35;
  margin-bottom: 8px;
}
.video-card .desc {
  font-size: 13.5px;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
  margin-bottom: var(--space-sm);
}
.video-card .watch {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-blue);
}

/* --- Handouts (§D) ------------------------------------------------ */
.handouts {
  padding: var(--space-2xl) 0;
  background: var(--color-light-bg);
}
.handouts .section-head {
  text-align: left;
  margin-bottom: var(--space-md);
}
.handouts .section-head h2 {
  font-size: clamp(26px, 3vw, 32px);
  margin-bottom: 6px;
}
.handouts .section-head p {
  font-size: 15px;
  color: var(--color-muted);
}
.featured-handout {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-blue);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 16px rgba(13,27,42,0.05);
}
.featured-handout .info { flex: 1; min-width: 280px; }
.featured-handout h3 {
  font-size: 20px;
  margin-bottom: 6px;
}
.featured-handout .info p {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 640px;
  line-height: 1.5;
}
.per-video-handouts-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}
.per-video-handouts-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.handout-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.2s ease;
}
.handout-card:hover { border-color: var(--color-accent-blue); }
.handout-card .v-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  color: var(--color-primary-blue);
  letter-spacing: 0.04em;
}
.handout-card .file {
  font-size: 13px;
  color: var(--color-text);
}
.handout-card .dl {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-blue);
  margin-top: 4px;
}

/* --- Certificate detail (§E, v2) ---------------------------------- */
.cert-detail {
  padding: var(--space-2xl) 0;
  background: var(--color-light-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cert-detail .layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.cert-detail h2 {
  font-size: clamp(26px, 3vw, 32px);
  margin-bottom: var(--space-md);
}
.cert-detail p {
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 14px;
}
.cert-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.cert-tile {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}
.cert-tile .head {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  color: var(--color-primary-blue);
  line-height: 1.15;
  margin-bottom: 6px;
}
.cert-tile .label {
  font-size: 12px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

/* --- Instructor card (§F) ----------------------------------------- */
.instructor {
  padding: var(--space-2xl) 0;
  background: var(--color-white);
}
.instructor-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.instructor-card .headshot {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-light-bg), var(--color-border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
  padding: var(--space-sm);
}
.instructor-card h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.instructor-card .name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 28px;
  color: var(--color-deep-navy);
  margin-bottom: 4px;
}
.instructor-card .title {
  font-size: 15px;
  color: var(--color-primary-blue);
  margin-bottom: var(--space-sm);
}
.instructor-card .bio {
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: var(--space-md);
  max-width: 640px;
}
.instructor-card .read-more {
  color: var(--color-primary-blue);
  font-weight: 600;
}
.instructor-card .read-more:hover { text-decoration: underline; }

/* --- Comprehensive cross-link, detailed (§G) ---------------------- */
.cross-link-band {
  background: var(--color-light-bg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cross-link-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.cross-link-band .pitch h3 {
  font-size: 24px;
  margin-bottom: 6px;
}
.cross-link-band .pitch p {
  font-size: 15px;
  color: var(--color-text);
  max-width: 620px;
  line-height: 1.55;
}

/* --- Content suggestion form (§H) --------------------------------- */
.suggestion {
  padding: var(--space-2xl) 0;
  background: var(--color-white);
}
.suggestion .form-wrap {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.suggestion h2 {
  font-size: clamp(24px, 2.8vw, 30px);
  margin-bottom: 8px;
}
.suggestion .lede {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}
.suggestion form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.suggestion textarea,
.suggestion input[type="email"] {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  width: 100%;
  color: var(--color-text);
}
.suggestion textarea { min-height: 120px; resize: vertical; }
.suggestion textarea:focus,
.suggestion input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(96,165,250,0.18);
}
.suggestion label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 600;
}
.suggestion .submit-row {
  text-align: center;
  margin-top: 4px;
}

/* --- Intro video (Comprehensive §B) ------------------------------- */
.intro-video { padding: var(--space-2xl) 0; background: var(--color-white); }
.intro-video .section-head { text-align: center; margin-bottom: var(--space-md); }
.intro-video .section-head h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 8px; }
.intro-video .section-head p { color: var(--color-muted); font-size: 16px; }
.intro-video .player-wrap {
  max-width: 760px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-deep-navy);
  box-shadow: 0 16px 40px rgba(13,27,42,0.18);
}
.intro-video .player-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.intro-video .after { text-align: center; color: var(--color-text); margin-top: var(--space-md); font-size: 15px; }

/* --- Learning paths (Comprehensive §D) ---------------------------- */
.learning-paths { padding: var(--space-2xl) 0; background: var(--color-light-bg); }
.learning-paths .section-head { text-align: center; margin-bottom: var(--space-lg); }
.learning-paths .section-head h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 8px; }
.learning-paths .section-head p { color: var(--color-muted); font-size: 16px; max-width: 640px; margin: 0 auto; }
.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.path-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.path-card:hover { border-color: var(--color-accent-blue); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(13,27,42,0.08); }
.path-card h3 { font-size: 18px; color: var(--color-deep-navy); margin-bottom: 6px; line-height: 1.3; }
.path-card .tagline { font-size: 14px; color: var(--color-text); margin-bottom: var(--space-sm); flex: 1; }
.path-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: var(--space-sm); }
.path-chip {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  color: var(--color-primary-blue);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.path-sep { color: var(--color-muted); font-size: 12px; }
.path-card .meta { font-size: 13px; color: var(--color-muted); }
.paths-note {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-blue);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: 14px;
  color: var(--color-text);
}

/* --- Module grid (Comprehensive §E) ------------------------------- */
.module-grid-section { padding: var(--space-lg) 0 var(--space-2xl); background: var(--color-white); }
.module-grid-section .section-head { text-align: center; margin-bottom: var(--space-lg); }
.module-grid-section .section-head h2 { font-size: clamp(28px, 3.2vw, 36px); margin-bottom: 12px; }
.module-grid-section .section-head p { color: var(--color-muted); font-size: 16px; max-width: 720px; margin: 0 auto; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.module-card {
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.module-card:hover { border-color: var(--color-accent-blue); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(13,27,42,0.08); }
.module-card .m-badge {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 14px;
  color: var(--color-primary-blue);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.module-card h3 { font-size: 18px; color: var(--color-deep-navy); line-height: 1.3; margin-bottom: 4px; }
.module-card .m-meta { font-size: 13px; color: var(--color-muted); font-weight: 600; margin-bottom: var(--space-sm); }
.module-card .m-desc { font-size: 14px; color: var(--color-text); line-height: 1.5; flex: 1; margin-bottom: var(--space-sm); }
.module-card .m-open { font-size: 13px; font-weight: 600; color: var(--color-primary-blue); }
.module-card.advanced { background: var(--color-white); border-style: dashed; border-color: var(--color-accent-blue); }
.module-card.advanced .m-badge { font-size: 18px; line-height: 1; }

/* ============================================================
   Image Gallery (gallery.md) — landing + per-case page
   ============================================================ */

/* --- "Not medical advice" disclaimer banner --------------------- */
.disclaimer-banner {
  background: var(--color-light-bg);
  border-top: 3px solid var(--color-accent-blue);
  border-bottom: 1px solid var(--color-border);
  font-size: 13.5px;
  color: var(--color-text);
}
.disclaimer-banner .container { display: flex; align-items: center; gap: 10px; padding-top: 10px; padding-bottom: 10px; }
.disclaimer-banner .ico { color: var(--color-primary-blue); font-weight: 700; font-size: 15px; }
.disclaimer-banner a { color: var(--color-primary-blue); font-weight: 600; white-space: nowrap; }
.disclaimer-banner a:hover { text-decoration: underline; }

/* --- Gallery hero stat line ------------------------------------- */
.gallery-stats { font-size: 14px; color: var(--color-muted); margin-top: var(--space-sm); font-weight: 600; }
.gallery-stats strong { color: var(--color-primary-blue); }

/* --- Filter bar (collapsible, vertical categories) -------------- */
.gallery-filters {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: var(--color-light-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.filter-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap; }
.filter-header {
  display: inline-flex; align-items: center; gap: 10px;
  background: none; border: none; cursor: pointer;
  font: inherit; padding: 4px 0; color: var(--color-deep-navy);
}
.filter-title { font-family: var(--font-heading); font-weight: 700; font-size: 15px; }
.filter-header .chevron { color: var(--color-primary-blue); font-size: 14px; transition: transform 0.2s ease; }
.gallery-filters.open .filter-header .chevron { transform: rotate(180deg); }
.filter-header .active-badge {
  margin-left: 10px; font-size: 12px; font-weight: 600; color: var(--color-primary-blue);
  background: var(--color-white); border: 1px solid var(--color-accent-blue);
  border-radius: var(--radius-pill); padding: 1px 9px;
}
.filter-panel { display: none; padding-top: 16px; }
.gallery-filters.open .filter-panel { display: block; }
.filter-cat { margin-bottom: 16px; }
.filter-cat .cat-label {
  display: block; font-weight: 700; font-size: 12px; color: var(--color-muted);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px;
}
.filter-group { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.fchip {
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--color-text); background: var(--color-white);
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  padding: 6px 13px; cursor: pointer; transition: all 0.15s ease;
}
.fchip:hover { border-color: var(--color-accent-blue); }
.fchip.active { background: var(--color-primary-blue); color: #fff; border-color: var(--color-primary-blue); }
.filter-select {
  font: inherit; font-size: 13px; font-weight: 600; color: var(--color-text);
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-pill); padding: 6px 12px; cursor: pointer;
}
.toggle-pill { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; color: var(--color-text); cursor: pointer; }
.toggle-pill input { accent-color: var(--color-primary-blue); width: 15px; height: 15px; }
.filter-search { position: relative; display: inline-block; }
.filter-search input {
  font: inherit; font-size: 14px; padding: 8px 14px 8px 32px;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  width: 320px; max-width: 100%; background: var(--color-white); color: var(--color-text);
}
.filter-search input:focus { outline: none; border-color: var(--color-accent-blue); }
.filter-search::before { content: '⌕'; position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--color-muted); font-size: 16px; }
.filter-status { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--color-muted); padding-top: 8px; border-top: 1px solid var(--color-border); margin-top: 4px; }
.filter-status .clear { color: var(--color-primary-blue); font-weight: 600; cursor: pointer; background: none; border: none; font: inherit; }
.filter-status .clear:hover { text-decoration: underline; }

/* --- Themed case sections + case cards -------------------------- */
.gallery-body { padding: var(--space-lg) 0 var(--space-xl); }
.gallery-theme { margin-bottom: var(--space-xl); }
.gallery-theme .theme-head h2 { font-size: clamp(24px, 2.8vw, 30px); margin-bottom: 6px; }
.gallery-theme .theme-head p { color: var(--color-muted); font-size: 15px; margin-bottom: var(--space-md); }
.gallery-root.filtering .theme-head { display: none; }
.gallery-root.filtering .gallery-theme { margin-bottom: var(--space-md); }
.gallery-theme.empty { display: none; }
.no-results { display: none; text-align: center; color: var(--color-muted); padding: var(--space-xl) 0; font-size: 16px; }
.no-results.show { display: block; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.case-card {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.case-card:hover { border-color: var(--color-accent-blue); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(13,27,42,0.08); }
.case-card.hidden { display: none; }
.case-card .thumb {
  aspect-ratio: 16 / 10; position: relative;
  background-color: var(--color-deep-navy);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 160'%3E%3Cpolyline points='0,120 40,120 58,40 78,40 96,120 150,120 168,58 196,58 214,120 320,120' fill='none' stroke='%2360A5FA' stroke-width='4'/%3E%3C/svg%3E"),
    linear-gradient(135deg, var(--color-deep-navy), #16324f);
  background-repeat: no-repeat; background-position: center; background-size: 78%, cover;
}
.case-card .img-count {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(13,27,42,0.75); color: #fff; font-size: 12px; font-weight: 600;
  padding: 3px 8px; border-radius: var(--radius-sm);
}
.case-card .body { padding: var(--space-md); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.case-card h3 { font-size: 16px; color: var(--color-deep-navy); line-height: 1.3; }
.case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-chip {
  font-size: 11px; font-weight: 600; color: var(--color-primary-blue);
  background: var(--color-light-bg); border: 1px solid var(--color-border);
  padding: 2px 8px; border-radius: var(--radius-pill);
}
.case-meta { font-size: 12px; color: var(--color-muted); margin-top: auto; }
.case-meta .ba { color: var(--color-primary-blue); font-weight: 600; }

/* --- Terminology / glossary ------------------------------------- */
.glossary { background: var(--color-light-bg); padding: var(--space-2xl) 0; border-top: 1px solid var(--color-border); }
.glossary h2 { font-size: clamp(22px, 2.6vw, 28px); margin-bottom: var(--space-md); }
.glossary dl { display: grid; grid-template-columns: 220px 1fr; gap: 12px var(--space-md); margin: 0; }
.glossary dt { font-family: var(--font-heading); font-weight: 700; color: var(--color-deep-navy); }
.glossary dd { margin: 0; color: var(--color-text); font-size: 15px; line-height: 1.55; }

/* --- Submission note -------------------------------------------- */
.submit-note-section { padding: 0 0 var(--space-2xl); background: var(--color-light-bg); }
.submit-note {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-blue); border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}
.submit-note h3 { font-size: 18px; margin-bottom: 6px; }
.submit-note p { font-size: 14px; color: var(--color-muted); max-width: 800px; line-height: 1.55; }

/* --- Per-case page: figures + before/after + lightbox ----------- */
.case-tags-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: var(--space-sm); }
.case-figures { padding: var(--space-lg) 0; }
.case-figure { margin: 0 0 var(--space-lg); }
.case-figure .frame { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; cursor: zoom-in; position: relative; }
.ph-screen {
  aspect-ratio: 16 / 9; background-color: var(--color-deep-navy);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 160'%3E%3Cpolyline points='0,120 40,120 58,40 78,40 96,120 150,120 168,58 196,58 214,120 320,120' fill='none' stroke='%2360A5FA' stroke-width='4'/%3E%3C/svg%3E"),
    linear-gradient(135deg, var(--color-deep-navy), #16324f);
  background-repeat: no-repeat; background-position: center; background-size: 55%, cover;
}
.case-figure .zoom-ico { position: absolute; top: 10px; right: 10px; background: rgba(13,27,42,0.7); color: #fff; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.case-figure figcaption { font-size: 14.5px; color: var(--color-text); margin-top: 10px; line-height: 1.5; }
.case-figure figcaption .figlabel { color: var(--color-muted); font-weight: 600; margin-right: 6px; }
.ba-compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.ba-side .tag { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-muted); margin-bottom: 6px; }
.lightbox { position: fixed; inset: 0; background: rgba(13,27,42,0.92); display: none; align-items: center; justify-content: center; z-index: 1000; padding: var(--space-lg); }
.lightbox.open { display: flex; }
.lightbox .ph-screen { width: min(90vw, 1100px); border-radius: var(--radius-md); background-size: 40%, cover; }
.lightbox .lb-close { position: absolute; top: 18px; right: 26px; color: #fff; font-size: 30px; cursor: pointer; line-height: 1; }

/* ============================================================
   Per-video page (_per-video-template.md)
   ============================================================ */
.video-header .badge {
  display: inline-block; font-family: var(--font-heading); font-weight: 700;
  font-size: 12px; letter-spacing: 0.04em; color: var(--color-primary-blue);
  background: var(--color-white); border: 1px solid var(--color-border);
  padding: 3px 10px; border-radius: var(--radius-pill);
}
.video-header h1 { margin-top: 10px; }

.video-page { padding: var(--space-lg) 0 var(--space-2xl); background: var(--color-white); }
.video-layout { display: grid; grid-template-columns: 1fr 340px; gap: var(--space-xl); align-items: start; }
.video-main { min-width: 0; }
.video-sidebar { position: sticky; top: calc(var(--header-h) + 16px); display: flex; flex-direction: column; gap: var(--space-md); }

.video-embed {
  aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-deep-navy); box-shadow: 0 16px 40px rgba(13,27,42,0.18);
  margin-bottom: var(--space-lg);
}
.video-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

.video-section { margin-bottom: var(--space-lg); }
.video-section > h2 { font-size: 19px; color: var(--color-deep-navy); margin-bottom: 10px; }
.video-section .about { font-size: 16px; color: var(--color-text); line-height: 1.6; }
.ref-list { margin: 0; padding-left: 20px; }
.ref-list li { font-size: 14.5px; color: var(--color-text); line-height: 1.5; margin-bottom: 8px; }

/* §G Comprehensive "Test your knowledge" link-out */
.qa-callout {
  background: var(--color-light-bg); border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-blue); border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg); display: flex; align-items: center;
  justify-content: space-between; gap: var(--space-md); flex-wrap: wrap;
}
.qa-callout .qa-pitch h2 { font-size: 19px; margin-bottom: 4px; }
.qa-callout .qa-pitch p { font-size: 14px; color: var(--color-muted); }
.qa-callout .cme-note { font-size: 12px; color: var(--color-primary-blue); font-weight: 600; margin-top: 6px; }

/* §H feedback with star rating (require Send) */
.feedback-box { background: var(--color-light-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-md) var(--space-lg); }
.feedback-box h2 { font-size: 18px; margin-bottom: 12px; }
.stars { display: inline-flex; gap: 4px; font-size: 28px; line-height: 1; cursor: pointer; margin-bottom: 12px; }
.stars .star { color: #CBD5E1; transition: color 0.12s ease; }
.stars .star.on { color: #F5B301; }
.feedback-box textarea {
  font-family: var(--font-body); font-size: 15px; padding: 10px 12px; width: 100%;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-white); color: var(--color-text); min-height: 70px; resize: vertical;
}
.feedback-box textarea:focus { outline: none; border-color: var(--color-accent-blue); box-shadow: 0 0 0 3px rgba(96,165,250,0.18); }
.feedback-box .send-row { margin-top: 12px; }
.feedback-box .thanks { color: var(--color-ok-tx, #065F46); font-weight: 600; font-size: 14px; display: none; }

/* §J prev / next */
.video-nav { display: flex; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-lg); border-top: 1px solid var(--color-border); padding-top: var(--space-md); }
.video-nav a { display: inline-flex; flex-direction: column; font-size: 14px; color: var(--color-primary-blue); font-weight: 600; max-width: 46%; }
.video-nav a .lbl { font-size: 11px; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; }
.video-nav a.nx { margin-left: auto; text-align: right; }

/* §K sidebar module nav + §L progress */
.module-nav, .progress-box { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-md); }
.module-nav h3 { font-size: 14px; color: var(--color-deep-navy); margin-bottom: 2px; }
.module-nav .sub { font-size: 12px; color: var(--color-muted); margin-bottom: 4px; }
.module-nav .overview-link { font-size: 12px; font-weight: 600; color: var(--color-primary-blue); display: inline-block; margin-bottom: 10px; }
.module-nav ul { list-style: none; margin: 0; padding: 0; }
.module-nav li a { display: flex; gap: 9px; align-items: baseline; padding: 7px 8px; border-radius: 7px; font-size: 13.5px; color: var(--color-text); line-height: 1.35; }
.module-nav li a:hover { background: var(--color-light-bg); }
.module-nav li.current a { background: var(--color-light-bg); font-weight: 600; color: var(--color-deep-navy); }
.module-nav .dot { color: var(--color-muted); flex: 0 0 auto; }
.module-nav li.current .dot { color: var(--color-primary-blue); }
.module-nav .vn { flex: 0 0 auto; color: var(--color-muted); font-weight: 600; font-size: 12px; }
.progress-box h3 { font-size: 14px; margin-bottom: 10px; }
.progress-box .prow { display: flex; justify-content: space-between; font-size: 13px; color: var(--color-text); margin-bottom: 6px; }
.progress-box .bar { height: 6px; background: var(--color-border); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.progress-box .bar span { display: block; height: 100%; background: var(--color-primary-blue); }

/* --- Mockup banner (visualization aid only — not on production) --- */
.mockup-banner {
  background: var(--color-accent-blue);
  color: var(--color-deep-navy);
  font-family: var(--font-body);
  font-size: 12px;
  text-align: center;
  padding: 6px var(--space-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* --- Responsive --------------------------------------------------- */
@media (max-width: 980px) {
  .hero-offers-grid { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-md); }
  .tracks-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
  .primary-nav { display: none; }
  .search-box input { width: 160px; }
  .hero .container { padding: var(--space-lg) var(--space-md) var(--space-sm); }
  .institutional .card { flex-direction: column; align-items: flex-start; padding: var(--space-md); }
  /* Content landing pages */
  .at-a-glance-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .paths-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .glossary dl { grid-template-columns: 1fr; gap: 4px var(--space-md); }
  .glossary dd { margin-bottom: 10px; }
  .per-video-handouts-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-detail .layout { grid-template-columns: 1fr; gap: var(--space-md); }
  .filter-search { margin-left: 0; width: 100%; }
  .filter-search input { width: 100%; }
  .instructor-card { grid-template-columns: 1fr; text-align: center; }
  .instructor-card .headshot { margin: 0 auto; }
  .cross-link-band .container { flex-direction: column; align-items: flex-start; }
  .video-layout { grid-template-columns: 1fr; gap: var(--space-lg); }
  .video-sidebar { position: static; }
}
@media (max-width: 580px) {
  .hero-offers-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .partners-row { gap: var(--space-md); }
  .header-right .search-box { display: none; }
  /* Content landing pages */
  .at-a-glance-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .ba-compare { grid-template-columns: 1fr; }
  .per-video-handouts-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ================================================================
   PREVIEW-PASS ADDITIONS (2026-07-05)
   Added to take the mockups online as a work-in-progress preview.
   Not part of the production design system — the hired designer can
   drop all of the below when the real pages exist.
   ================================================================ */

/* --- Learning Content dropdown (nav) ----------------------------- */
.nav-item-dropdown { position: relative; display: flex; align-items: center; height: var(--header-h); }
.dropdown-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 232px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(13,27,42,0.14);
  padding: 8px; margin: 0; list-style: none;
  opacity: 0; visibility: hidden; transition: opacity .15s ease, transform .15s ease;
  z-index: 200;
}
.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown-menu li { margin: 0; }
.dropdown-menu a {
  display: block; padding: 9px 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--color-deep-navy); white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--color-light-bg); color: var(--color-primary-blue); }

/* --- "Coming later" state for not-yet-built links ---------------- */
a.coming-soon, span.coming-soon { color: var(--color-muted) !important; cursor: default; pointer-events: none; }
/* small "soon" pill after plain (non-button) coming-soon links */
.coming-soon::after {
  content: 'soon';
  display: inline-block;
  font-size: 9px; font-weight: 700; line-height: 1;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--color-primary-blue);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 2px 6px; margin-left: 6px; vertical-align: middle;
}
/* buttons + cards that are coming-soon: gray them out, no pill */
.btn.coming-soon {
  background: var(--color-border); color: var(--color-muted) !important;
  border-color: transparent; transform: none;
}
.btn.coming-soon::after,
.module-card.coming-soon::after,
.handout-card.coming-soon::after,
.video-card.coming-soon::after,
.case-card.coming-soon::after,
.read-more.coming-soon::after { content: none; }
.module-card.coming-soon, .handout-card.coming-soon,
.video-card.coming-soon, .case-card.coming-soon { opacity: .62; }
/* the "(coming later)" caption under Advanced buttons */
.soon-caption {
  display: block; margin-top: 8px;
  font-size: 12px; font-style: italic; color: var(--color-muted);
}

/* --- Preview-note (keeps the built sample lesson page reachable) -- */
.sample-note-section { padding: var(--space-md) 0 0; }
.sample-note { text-align: center; font-size: 14px; color: var(--color-muted); }
.sample-note a { color: var(--color-primary-blue); font-weight: 600; }
.sample-note a:hover { text-decoration: underline; }

/* --- "Preview — work in progress" ribbon ------------------------- */
.preview-ribbon {
  position: fixed; left: 0; bottom: 20px; z-index: 1000;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-deep-navy); color: var(--color-white);
  font-family: var(--font-body); font-size: 12px; font-weight: 600;
  letter-spacing: .02em;
  padding: 7px 14px 7px 12px;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  box-shadow: 0 6px 18px rgba(13,27,42,0.28);
}
.preview-ribbon::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent-blue); flex-shrink: 0;
}
@media (max-width: 600px) { .preview-ribbon { bottom: 12px; font-size: 11px; padding: 6px 11px 6px 10px; } }