/* ============================================================
   SERVICES.CSS — MNB Excavation
   ============================================================ */

/* ── Filter Bar ── */
.filter-bar {
  background: var(--clr-surface-light);
  border-bottom: 2px solid var(--clr-surface-mid);
  padding: 0;
  position: sticky;
  top: var(--nav-h);
  z-index: 100;
}
.filter-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-tab {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-navy);
  padding: 1rem 1.75rem;
  border-bottom: 3px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-tab:hover { color: var(--clr-navy); }
.filter-tab.active {
  color: var(--clr-navy);
  border-bottom-color: var(--clr-navy);
}

/* ── Services Full Grid ── */
.services-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ── Service Card (full version) ── */
.svc-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.svc-card.hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}
.svc-card__img-wrap {
  overflow: hidden;
  height: 200px;
}
.svc-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.svc-card:hover .svc-card__img-wrap img { transform: scale(1.06); }
.svc-card__body {
  padding: 1.5rem;
}
.svc-card__icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-warm));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 4px 12px rgba(232,96,10,0.3);
}
.svc-card__body h2 {
  font-size: 1.15rem;
  color: var(--clr-navy);
  margin-bottom: 0.6rem;
}
.svc-card__body p {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.65;
  margin-bottom: 1rem;
}
.svc-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.svc-bullets li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.83rem;
  color: #444;
}
.svc-bullets i { color: var(--clr-accent); font-size: 0.75rem; }

/* ── Process Timeline ── */
.process-section { background: var(--clr-navy); }
.process-section .section-label { color: var(--clr-accent); }
.process-section .section-title { color: var(--clr-text-inv); }
.process-section .section-desc { color: rgba(255,255,255,0.6); }
.process-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent), rgba(232,96,10,0.1));
}
.pt-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  position: relative;
}
.pt-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--clr-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(232,96,10,0.4);
  position: relative;
  z-index: 1;
}
.pt-content {
  flex: 1;
  padding-top: 0.5rem;
}
.pt-content h3 {
  font-size: 1.05rem;
  color: var(--clr-text-inv);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pt-content h3 i { color: var(--clr-accent); }
.pt-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ── FAQ ── */
.faq-section { background: var(--clr-surface-light); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-navy);
  list-style: none;
  gap: 1rem;
  transition: color var(--transition);
  user-select: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question i {
  color: var(--clr-accent);
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}
details[open] .faq-question i { transform: rotate(180deg); }
details[open] .faq-question { color: var(--clr-accent); }
.faq-answer {
  padding: 0 1.5rem 1.25rem;
  border-top: 1px solid var(--clr-surface-mid);
}
.faq-answer p {
  font-size: 0.92rem;
  color: #555;
  line-height: 1.7;
  padding-top: 1rem;
  margin: 0;
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .services-full-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .services-full-grid { grid-template-columns: 1fr; }
  .process-timeline::before { left: 22px; }
  .pt-num { width: 44px; height: 44px; font-size: 1rem; }
  .filter-tab { padding: 0.85rem 1.1rem; font-size: 0.78rem; }
}