/* ══════════════════════════════════════════════════════
   Vibe Coding Courses — hero, featured strip, tools/creators,
   filter chips, full course grid.
   ══════════════════════════════════════════════════════ */

.vc-wrap {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 4rem) 6rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Breadcrumb ── */
.vc-breadcrumb {
  margin: 0 0 2rem;
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
  text-align: center;
}
.vc-breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
}
.vc-breadcrumb li + li::before {
  content: '/';
  margin-right: .5rem;
  color: rgba(0,212,255,.25);
}
.vc-breadcrumb a {
  color: var(--mid);
  text-decoration: none;
  transition: color .2s;
}
.vc-breadcrumb a:hover { color: var(--cyan) }
.vc-breadcrumb [aria-current="page"] { color: var(--white) }

/* ── Hero ── */
.vc-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}
.vc-hero-kicker {
  font-family: var(--heading);
  font-size: .6rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 1.25rem;
}
.vc-hero-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  color: var(--white);
  line-height: 1.05;
  letter-spacing: .06em;
  margin-bottom: 1.25rem;
  text-shadow: 0 0 40px rgba(0,212,255,.12);
}
.vc-hero-sub {
  font-family: var(--body);
  font-size: clamp(.95rem, 1.4vw, 1.05rem);
  color: var(--light);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── On-this-page nav ──
   The masthead `.site-nav` is `position: fixed` (z-index 100) at top:0,
   so we offset this sticky nav to sit just below it instead of hiding
   behind it. */
.vc-toc {
  position: sticky;
  top: 48px;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .35rem .25rem;
  padding: .85rem 1rem;
  margin-bottom: 3.5rem;
  background: rgba(2,4,8,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(0,212,255,.06);
  border-bottom: 1px solid rgba(0,212,255,.06);
}
.vc-toc-link {
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  padding: .5rem .85rem;
  border: 1px solid transparent;
  transition: color .2s, border-color .2s, background .2s;
  white-space: nowrap;
}
.vc-toc-link:hover {
  color: var(--white);
  border-color: rgba(0,212,255,.15);
}
.vc-toc-link.is-active {
  color: var(--cyan);
  border-color: rgba(0,212,255,.3);
  background: rgba(0,212,255,.04);
}

/* ── Intro ── */
.vc-intro {
  max-width: 720px;
  margin: 0 auto 4.5rem;
  padding: 0 .25rem;
}
.vc-intro-lede {
  font-family: var(--heading);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  color: var(--white);
  line-height: 1.35;
  letter-spacing: .005em;
  margin: 0 0 1.75rem;
}
.vc-intro p {
  font-size: 1.02rem;
  color: var(--light);
  line-height: 1.85;
  margin: 0 0 1.25rem;
}
.vc-intro p:last-child { margin-bottom: 0 }
.vc-intro strong {
  color: var(--white);
  font-weight: 600;
}
.vc-intro-aside {
  font-size: .92rem !important;
  color: var(--mid) !important;
  border-left: 2px solid rgba(0,212,255,.12);
  padding-left: 1rem;
  margin-top: 1.75rem !important;
}
.vc-intro-aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,.25);
  transition: border-color .2s;
}
.vc-intro-aside a:hover { border-bottom-color: var(--cyan) }

/* ── Section scaffolding ── */
.vc-section { margin-bottom: 6rem }
.vc-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.vc-section-head h2 {
  font-family: var(--heading);
  font-size: clamp(.95rem, 2vw, 1.2rem);
  color: var(--white);
  letter-spacing: .04em;
  margin: 0;
}
.vc-view-all {
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--cyan);
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity .2s;
}
.vc-view-all:hover { opacity: .7 }
.vc-empty {
  font-size: .9rem;
  color: var(--mid);
  font-style: italic;
}

/* ── Card grid (featured) ── */
.vc-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* ── Course card ── */
.vc-course-card {
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.06);
  padding: 2rem 1.85rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  transition: border-color .25s, box-shadow .25s;
  position: relative;
}
.vc-course-card:hover {
  border-color: rgba(0,212,255,.18);
  box-shadow: inset 0 0 24px rgba(0,212,255,.04);
}
.vc-course-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
/* Stretched-link pattern: the link's ::after covers the whole card so the
   entire card area is clickable. The actual <a> stays scoped to the title
   for accessibility (screen readers still announce the link text). */
.vc-course-link::after {
  content: '';
  position: absolute;
  inset: 0;
}
.vc-course-title {
  font-family: var(--heading);
  font-size: .92rem;
  color: var(--white);
  letter-spacing: .02em;
  line-height: 1.35;
  margin: 0;
  transition: color .2s;
}
.vc-course-card:hover .vc-course-title { color: var(--cyan) }
.vc-course-link:focus-visible { outline: 1px dashed var(--cyan); outline-offset: 4px }
.vc-course-card { cursor: pointer }
.vc-course-meta {
  font-family: var(--heading);
  font-size: .55rem;
  color: var(--mid);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  gap: .65rem;
  flex-wrap: wrap;
}
.vc-course-source { color: var(--cyan) }
.vc-course-date::before,
.vc-course-source::before {
  content: '·';
  margin-right: .65rem;
  color: var(--mid);
}
.vc-course-category {
  color: var(--white);
  background: rgba(0,212,255,.06);
  padding: .15rem .55rem;
  border: 1px solid rgba(0,212,255,.12);
  letter-spacing: .12em;
}
.vc-course-blurb {
  font-size: .88rem;
  color: var(--light);
  line-height: 1.7;
  margin: 0;
}

/* ── Section subhead (used under Workflow & Practice) ── */
.vc-section-sub {
  font-size: .92rem;
  color: var(--mid);
  line-height: 1.6;
  margin: -.75rem 0 1.75rem;
  max-width: 720px;
}

/* ── Creators ── */
.vc-people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.vc-person {
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.06);
  padding: 1.6rem 1.65rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  transition: border-color .25s;
}
.vc-person:hover { border-color: rgba(0,212,255,.18) }
.vc-person:focus-visible { outline: 1px dashed var(--cyan); outline-offset: 2px }
.vc-person-name {
  font-family: var(--heading);
  font-size: .85rem;
  letter-spacing: .03em;
  color: var(--white);
  transition: color .2s;
}
.vc-person:hover .vc-person-name { color: var(--cyan) }
.vc-person-platform {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--mid);
  letter-spacing: .04em;
  text-transform: lowercase;
}
.vc-person-blurb {
  font-size: .82rem;
  color: var(--light);
  line-height: 1.6;
  margin-top: .15rem;
}

/* ── Filter chips ── */
.vc-all-head {
  align-items: center;
}
.vc-popularity-toggle {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--heading);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
  cursor: pointer;
  user-select: none;
  transition: color .2s;
}
.vc-popularity-toggle:hover { color: var(--white) }
.vc-popularity-toggle input { accent-color: var(--cyan); width: 14px; height: 14px }

.vc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.vc-chip {
  font-family: var(--heading);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
  background: transparent;
  border: 1px solid rgba(0,212,255,.12);
  padding: .55rem .95rem;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.vc-chip:hover { color: var(--white); border-color: rgba(0,212,255,.3) }
.vc-chip.is-active {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

.vc-card-grid .vc-course-card[hidden] { display: none }

/* ── From Smarter Dev (originals CTA) ── */
.vc-originals-card {
  background: linear-gradient(135deg, rgba(0,212,255,.05) 0%, rgba(0,212,255,0) 100%);
  border: 1px solid rgba(0,212,255,.12);
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.vc-originals-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 64px; height: 1px;
  background: var(--cyan);
}
.vc-originals-lede {
  font-family: var(--heading);
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: .03em;
  margin: 0;
}
.vc-originals-body {
  font-size: .95rem;
  color: var(--light);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}
.vc-cta-button {
  display: inline-block;
  margin: 1rem auto 0;
  padding: .9rem 1.5rem;
  font-family: var(--heading);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,212,255,.04);
  border: 1px solid rgba(0,212,255,.3);
  text-decoration: none;
  transition: background .2s, color .2s, border-color .2s;
}
.vc-cta-button:hover {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ── FAQ ── */
.vc-faq-list { display: flex; flex-direction: column }
.vc-faq-item {
  border-bottom: 1px solid rgba(0,212,255,.06);
}
.vc-faq-item:first-child { border-top: 1px solid rgba(0,212,255,.06) }
.vc-faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 0;
  font-family: var(--heading);
  font-size: .85rem;
  color: var(--white);
  letter-spacing: .02em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color .2s;
}
.vc-faq-item > summary::-webkit-details-marker { display: none }
.vc-faq-item > summary::after {
  content: '+';
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cyan);
  transition: transform .2s;
  flex-shrink: 0;
}
.vc-faq-item[open] > summary::after { content: '−' }
.vc-faq-item > summary:hover { color: var(--cyan) }
.vc-faq-item > p {
  margin: 0 0 .75rem;
  padding: 0 2rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--light);
  max-width: 720px;
}
.vc-faq-item > p.vc-faq-source {
  margin-bottom: 1.5rem;
  font-family: var(--heading);
  font-size: .55rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
}
.vc-faq-source a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,.25);
  transition: border-color .2s;
}
.vc-faq-source a:hover { border-bottom-color: var(--cyan) }

/* ── Resources index placeholder card ── */
.vc-person-placeholder {
  opacity: .55;
  cursor: default;
}
.vc-person-placeholder:hover { border-color: rgba(0,212,255,.06) }

/* ── Last updated stamp ── */
.vc-last-updated {
  text-align: center;
  margin: 3rem 0 0;
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mid);
}
.vc-last-updated time { color: var(--cyan) }

/* ── Responsive ── */
@media (max-width: 900px) {
  .vc-card-grid { grid-template-columns: repeat(2, 1fr) }
  .vc-people-grid { grid-template-columns: repeat(2, 1fr) }
}
@media (max-width: 600px) {
  .vc-card-grid,
  .vc-people-grid { grid-template-columns: 1fr }
  .vc-section-head { flex-direction: column; align-items: flex-start; gap: .4rem }
  .vc-view-all { align-self: flex-end }
  .vc-toc {
    gap: .3rem .15rem;
    padding: .6rem .5rem;
  }
  .vc-toc-link {
    font-size: .55rem;
    padding: .4rem .55rem;
    letter-spacing: .1em;
  }
}