/* ============================================================
   ARTICLE PAGE — Spin Master Case Study
   ============================================================ */

/* ---- Hero -------------------------------------------------- */
.article-hero {
  background: var(--kc-gradient-aurora);
  color: var(--kc-off-white);
  padding: 140px var(--s-7) var(--s-9);
}
.article-hero__inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.article-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
.article-hero__date {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
}
.article-hero__title {
  font-size: clamp(2.2rem, 5vw, var(--fs-display-m));
  font-weight: 800;
  line-height: var(--lh-snug);
  letter-spacing: -0.02em;
}
.article-hero__lead {
  font-size: var(--fs-h4);
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  line-height: 1.55;
  max-width: 680px;
}
.article-hero__brands {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  padding-top: var(--s-2);
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.07);
}

/* ---- Stat Bar ---------------------------------------------- */
.stat-bar {
  background: var(--kc-ink);
  padding: var(--s-7) var(--s-7);
}
.stat-bar__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-6);
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-2);
  flex: 1;
  min-width: 160px;
}
.stat-item__value {
  font-family: var(--font-display);
  font-size: var(--fs-display-m);
  font-weight: 800;
  background: var(--kc-gradient-ribbon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-item__label {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.55);
  max-width: 160px;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

/* ---- Article Body Layout ----------------------------------- */
.article-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-9) var(--s-7);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--s-8);
  align-items: start;
}
.article-content {
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
}
.article-intro {
  font-size: var(--fs-h4);
  line-height: 1.6;
  color: var(--fg-1);
  font-weight: 400;
  border-left: 3px solid var(--kc-violet-500);
  padding-left: var(--s-5);
}

/* ---- Article Sections -------------------------------------- */
.article-section {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.article-section p {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--fg-2);
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--kc-violet-500);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--fg-1);
  line-height: var(--lh-snug);
  margin: 0;
}

/* ---- Pillars Grid ------------------------------------------ */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
.pillar-card {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: box-shadow var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.pillar-card:hover {
  box-shadow: var(--elev-glow-violet);
  transform: translateY(-3px);
}
.pillar-card__icon {
  color: var(--kc-violet-600);
  width: 44px;
  height: 44px;
  background: var(--kc-violet-50);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillar-card__title {
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--fg-1);
  margin: 0;
}
.pillar-card__text {
  font-size: var(--fs-small);
  color: var(--fg-2);
  line-height: 1.6;
  margin: 0;
}

/* ---- Callout Box ------------------------------------------- */
.callout-box {
  background: var(--kc-violet-50);
  border-left: 4px solid var(--kc-violet-500);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: var(--s-5) var(--s-6);
}
.callout-box p {
  font-size: var(--fs-body);
  color: var(--kc-violet-700);
  margin: 0;
}

/* ---- Results Grid ------------------------------------------ */
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}
.result-card {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.result-card--highlight {
  background: var(--kc-ink);
  border-color: transparent;
}
.result-card--highlight .result-card__value {
  background: var(--kc-gradient-ribbon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.result-card--highlight .result-card__label {
  color: rgba(255,255,255,0.6);
}
.result-card__value {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  color: var(--kc-violet-600);
  line-height: 1;
}
.result-card__label {
  font-size: var(--fs-small);
  color: var(--fg-2);
  line-height: 1.5;
}

/* ---- Insights List ----------------------------------------- */
.insights-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.insight-item {
  display: flex;
  gap: var(--s-5);
  align-items: flex-start;
}
.insight-item__number {
  font-family: var(--font-display);
  font-size: var(--fs-display-m);
  font-weight: 800;
  background: var(--kc-gradient-ribbon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}
.insight-item__content {
  padding-top: 4px;
}
.insight-item__content strong {
  font-weight: 700;
  color: var(--fg-1);
  display: block;
  margin-bottom: var(--s-2);
}
.insight-item__content p {
  margin: 0;
}

/* ---- Conclusion -------------------------------------------- */
.article-section--conclusion {
  background: var(--kc-gradient-aurora);
  color: var(--kc-off-white);
  border-radius: var(--r-xl);
  padding: var(--s-8);
  margin-top: var(--s-4);
}
.article-section--conclusion .section-label { color: var(--kc-cyan-500); }
.article-section--conclusion .section-title { color: var(--kc-off-white); }
.article-section--conclusion p { color: rgba(255,255,255,0.8); }
.article-quote {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--kc-off-white);
  line-height: 1.45;
  border-left: 3px solid var(--kc-fuchsia-500);
  padding-left: var(--s-5);
  margin: 0;
  font-style: normal;
}

/* ---- Sidebar ----------------------------------------------- */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.sidebar-card {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-xl);
  padding: var(--s-6);
}
.sidebar-card--dark {
  background: var(--kc-ink);
  border-color: transparent;
  color: var(--kc-off-white);
}
.sidebar-card__title {
  font-size: var(--fs-body);
  font-weight: 700;
  margin: 0 0 var(--s-4);
  color: inherit;
}
.sidebar-card--dark .sidebar-card__title { color: var(--kc-off-white); }

.sidebar-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-2) var(--s-4);
  margin: 0;
}
.sidebar-dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: center;
}
.sidebar-dl dd {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--fg-1);
  margin: 0;
}

.franchise-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.franchise-list li {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.75);
  padding: var(--s-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.franchise-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kc-gradient-ribbon);
  flex-shrink: 0;
}
.franchise-list li:last-child { border-bottom: none; }

.sidebar-cta {
  background: var(--kc-violet-50);
  border-color: var(--kc-violet-200);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.sidebar-cta p {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--kc-violet-700);
  margin: 0;
}

/* ---- Footer CTA -------------------------------------------- */
.article-footer-cta {
  background: var(--kc-gradient-space);
  color: var(--kc-off-white);
  text-align: center;
  padding: var(--s-10) var(--s-7);
}
.article-footer-cta__inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-5);
}
.article-footer-cta__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kc-violet-300);
  margin: 0;
}
.article-footer-cta__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: var(--lh-snug);
  margin: 0;
}
.article-footer-cta__sub {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
  margin: 0;
}

/* ---- Site Footer ------------------------------------------- */
.site-footer {
  background: var(--kc-ink);
  padding: var(--s-7);
  text-align: center;
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
}
.site-footer__logo { height: 28px; opacity: 0.8; }
.site-footer__tagline {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.site-footer__copy {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  margin: 0;
  font-family: var(--font-mono);
}

/* ---- Scroll animations ------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.fade-up.is-visible {
  opacity: 1;
  transform: none;
}

/* ---- Responsive -------------------------------------------- */
@media (max-width: 1024px) {
  .article-body {
    grid-template-columns: 1fr;
    gap: var(--s-7);
  }
  .article-sidebar { position: static; }
  .pillars-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .article-hero { padding: 120px var(--s-5) var(--s-7); }
  .stat-bar__inner { flex-direction: column; }
  .stat-divider { width: 60px; height: 1px; }
  .results-grid { grid-template-columns: 1fr; }
  .article-body { padding: var(--s-7) var(--s-5); }
  .article-section--conclusion { padding: var(--s-6); }
  .insight-item__number { font-size: var(--fs-h1); width: 36px; }
}