/* ============================================================
   PILLARS SECTION
============================================================ */
.pillars-section {
  background: #ffffff;
  padding: var(--sp-3xl) 0;
  overflow: hidden;
}

/* Header */
.pillars-header {
  margin-bottom: 3.5rem;
}

.pillars-heading {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: 0.03em;
  color: var(--navy-deep);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

/* Inline logo colours */
.logo-text-inline { display: inline-flex; align-items: center; }
.logo-inline-cargo {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--brand-blue);
  letter-spacing: 0.04em;
}
.logo-inline-nxt {
  font-family: var(--font-display);
  font-weight: 900;
  background: var(--brand-red);
  color: #ffffff;
  padding: 0.02em 0.18em;
  margin-left: 0.04em;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

/* ── Main layout — image left, tabs right ── */
.pillars-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: stretch;
}

/* ── Left Image Panel ── */
.pillars-image-panel {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 520px;
  background: var(--navy-deep);
}

.pillar-img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1);
}

.pillar-img.active { opacity: 1; }

.pillar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.05);
  transition: transform 4s ease;
}

/* Slowly zoom image while active */
.pillar-img.active img {
  transform: scale(1);
}

.pillar-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(11,24,41,0.75) 0%,
    transparent 50%
  );
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.pillar-img-label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.5rem;
  letter-spacing: 0.04em;
  color: #ffffff;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease 0.3s;
}

.pillar-img.active .pillar-img-label {
  opacity: 1;
  transform: translateY(0);
}

/* ── Right Tab Menu ── */
.pillars-menu {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pillar-tab {
  border-bottom: 1px solid rgba(0,0,0,0.08);
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.pillar-tab:first-child {
  border-top: 1px solid rgba(0,0,0,0.08);
}

/* Tab header row — always visible */
.pillar-tab-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 0;
  transition: all 0.2s ease;
}

.pillar-tab-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--mid-grey);
  letter-spacing: 0.1em;
  min-width: 28px;
  transition: color 0.2s ease;
}

.pillar-tab-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  color: var(--navy-deep);
  flex: 1;
  transition: color 0.2s ease;
}

.pillar-tab-arrow {
  font-size: 1.1rem;
  color: var(--mid-grey);
  transition: all 0.3s ease;
  opacity: 0;
}

/* Active tab styles */
.pillar-tab.active .pillar-tab-num { color: var(--brand-blue); }
.pillar-tab.active .pillar-tab-title { color: var(--brand-blue); }
.pillar-tab.active .pillar-tab-arrow {
  opacity: 1;
  color: var(--brand-blue);
  transform: translateX(4px);
}

.pillar-tab:hover .pillar-tab-title { color: var(--brand-blue); }
.pillar-tab:hover .pillar-tab-arrow { opacity: 1; color: var(--brand-blue); }

/* Tab body — hidden by default, slides open when active */
.pillar-tab-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1);
  padding: 0;
}

.pillar-tab.active .pillar-tab-body {
  max-height: 200px;
  padding-bottom: 1.4rem;
}

.pillar-tab-body p {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.8;
  color: #555;
  margin-bottom: 1rem;
}

.pillar-tab-link {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-blue);
  text-decoration: none;
  transition: gap 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.pillar-tab-link:hover { gap: 0.6rem; }

/* Progress bar — fills over 3 seconds */
.pillar-progress {
  height: 2px;
  background: rgba(0,0,0,0.06);
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
}

.pillar-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--brand-blue);
}

/* Active tab progress bar animates */
.pillar-tab.active .pillar-progress-bar {
  animation: progressFill 3s linear forwards;
}

@keyframes progressFill {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .pillars-wrap {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pillars-image-panel {
    min-height: 300px;
  }
}