/* ============================================================
   Cerenium Technologies — services.css
   ============================================================ */

/* ─── SERVICES TAB BAR ───────────────────────────────────────── */
.services-tab-bar {
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.services-tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 0;
  scrollbar-width: none;
}
.services-tabs::-webkit-scrollbar { display: none; }

.tab-link {
  flex-shrink: 0;
  display: inline-block;
  padding: 1rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab-link:hover,
.tab-link.active {
  color: var(--navy);
  border-bottom-color: var(--gold); /* gold border is decorative, not text — no contrast req */
}

/* ─── SERVICE MODULE ─────────────────────────────────────────── */
.service-module {
  padding: 6rem 0;
  scroll-margin-top: calc(var(--nav-height) + 56px); /* account for tab bar */
}
.service-module.alt-bg { background: var(--off-white); }

.service-module-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.service-module-grid.reverse {
  direction: rtl;
}
.service-module-grid.reverse > * {
  direction: ltr;
}

/* Copy */
.service-module-copy .eyebrow { margin-bottom: 0.75rem; }
.service-module-copy h2 { margin-bottom: 1rem; }
.service-module-copy .gold-rule { margin-bottom: 1.5rem; }

.service-answer {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
}

.service-module-copy h3 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.service-detail-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1.5rem;
  margin-bottom: 1rem;
}
.service-detail-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.5;
}
.service-detail-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.75rem;
  top: 0.1rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.product-tags span {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: var(--gold-pale);
  color: var(--navy); /* navy on gold-pale = 12.18:1 — WCAG AA (was already navy, confirmed) */
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(184,150,62,0.2);
}

/* Visual */
.service-module-visual { position: relative; }
.service-module-visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.service-module-callout {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  max-width: 300px;
  border-top: 3px solid var(--gold);
}

/* reverse layout fix for callout */
.service-module-grid.reverse .service-module-callout {
  left: auto;
  right: -1.5rem;
}

.callout-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--gold);
}
.callout-icon svg { width: 100%; height: 100%; }

.service-module-callout strong {
  display: block;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.service-module-callout p {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted);
}

/* ─── SERVICES BOTTOM CTA ────────────────────────────────────── */
.services-bottom-cta {
  padding: 6rem 0;
  background: var(--gold-pale);
  border-top: 4px solid var(--gold);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .service-module-grid,
  .service-module-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 3rem;
  }
  .service-module-callout { left: 1rem; right: auto; bottom: -1rem; max-width: 260px; }
  .service-module-grid.reverse .service-module-callout { right: auto; left: 1rem; }
  .service-detail-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .tab-link { padding: 0.75rem 1rem; font-size: 0.75rem; }
  .service-module { padding: 4rem 0; }
}