/* ============================================
   S2 AIRDUCT — Service Page Styles
   ============================================ */

/* ─── Service Packages ─── */
.packages-section { background: var(--clr-light); }

.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

.pkg-card {
  background: var(--clr-white);
  border-radius: var(--r-xl);
  border: 1px solid var(--clr-border);
  padding: var(--sp-8);
  transition: var(--t);
  position: relative;
  overflow: hidden;
}

.pkg-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-8px);
  border-color: rgba(85,103,117,0.25);
}

.pkg-card.featured {
  background: var(--grad-dark);
  border-color: transparent;
  color: var(--clr-white);
}

.pkg-featured-badge {
  position: absolute;
  top: 0;
  right: var(--sp-6);
  background: linear-gradient(135deg, #F5A623, #f0b429);
  color: var(--clr-dark);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 0 0 var(--r-md) var(--r-md);
}

.pkg-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  transition: var(--t);
}

.pkg-icon-light { background: var(--clr-light); color: var(--clr-accent); }
.pkg-card.featured .pkg-icon { background: rgba(255,255,255,0.12); color: var(--clr-white); }
.pkg-icon svg { width: 26px; height: 26px; }

.pkg-name {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-2);
}

.pkg-card.featured .pkg-name { color: rgba(255,255,255,0.6); }

.pkg-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: var(--sp-4);
  letter-spacing: -0.01em;
}

.pkg-card.featured .pkg-title { color: var(--clr-white); }

.pkg-desc {
  font-size: var(--fs-sm);
  font-weight: 300;
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-8);
}

.pkg-card.featured .pkg-desc { color: rgba(255,255,255,0.55); }

.pkg-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}

.pkg-feature {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--clr-text);
}

.pkg-card.featured .pkg-feature { color: rgba(255,255,255,0.8); }

.pkg-feature-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(85,103,117,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-accent);
}

.pkg-card.featured .pkg-feature-check {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

.pkg-feature-check svg { width: 12px; height: 12px; }

.pkg-cta {
  display: block;
  text-align: center;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: var(--t);
  border: 1.5px solid var(--clr-border-strong);
  color: var(--clr-accent);
}

.pkg-cta:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-1px);
}

.pkg-card.featured .pkg-cta {
  background: var(--clr-white);
  border-color: var(--clr-white);
  color: var(--clr-dark);
}

.pkg-card.featured .pkg-cta:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

/* ─── Service Detail ─── */
.service-detail-section { background: var(--clr-white); }

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.service-detail-img {
  border-radius: var(--r-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}

.service-detail-img img {
  width: 100%; height: 100%; object-fit: cover;
}

.detail-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.detail-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: rgba(85,103,117,0.1);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-feature-icon svg { width: 22px; height: 22px; }

.detail-feature-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: var(--sp-1);
}

.detail-feature-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  font-weight: 300;
  line-height: 1.7;
}

/* ─── FAQ ─── */
.faq-section { background: var(--clr-light); }

.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) 0;
  cursor: pointer;
  transition: var(--t);
  gap: var(--sp-4);
  font-family: var(--font);
}

.faq-question:hover .faq-q-text { color: var(--clr-accent); }

.faq-q-text {
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--clr-dark);
  transition: var(--t);
  line-height: 1.4;
}

.faq-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-light);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--t);
  color: var(--clr-accent);
}

.faq-toggle svg {
  width: 16px; height: 16px;
  transition: transform 0.3s var(--ease);
}

.faq-item.open .faq-toggle {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-white);
}

.faq-item.open .faq-toggle svg { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer-inner {
  padding-bottom: var(--sp-6);
  font-size: var(--fs-md);
  font-weight: 300;
  color: var(--clr-text-muted);
  line-height: 1.9;
}

/* ─── Responsive Service ─── */
@media (max-width: 1024px) {
  .packages-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail-grid { grid-template-columns: 1fr; gap: var(--sp-10); }
}

@media (max-width: 600px) {
  .packages-grid { grid-template-columns: 1fr; }
}