/* ============================================
   CTAT Ingeniería — Services Page Styles
   ============================================ */

/* ══════════════════════════════════════════════
   FILTER TABS
   ══════════════════════════════════════════════ */
.filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  letter-spacing: var(--ls-wide);
}

.filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(14, 165, 233, 0.05);
}

.filter-btn.active {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  color: var(--text-inverse);
}

/* ══════════════════════════════════════════════
   SERVICES GRID (full)
   ══════════════════════════════════════════════ */
.all-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card-full {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.service-card-full::before {
  content: '';
  display: block;
  height: 3px;
  background: var(--gradient-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.service-card-full:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.service-card-full:hover::before {
  transform: scaleX(1);
}

.service-card-full.hidden {
  display: none;
}

.service-card-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg-secondary);
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.service-card-full:hover .service-card-img img {
  transform: scale(1.08);
}

.service-card-img .service-category-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-2xs) var(--space-sm);
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-sm);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  color: var(--accent-teal);
  border: 1px solid rgba(14, 165, 233, 0.20);
}

.service-card-body {
  padding: var(--space-xl);
}

.service-card-body .card-icon {
  margin-bottom: var(--space-md);
}

.service-card-body h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
}

.service-card-body p {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
}

.service-card-body .btn {
  margin-top: var(--space-md);
}

/* Expandable detail list */
.service-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.service-card-full.expanded .service-detail {
  max-height: 500px;
}

.service-detail-list {
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-detail-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

.service-detail-list li .material-symbols-outlined {
  font-size: 16px;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.service-expand-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--accent-teal);
  cursor: pointer;
  transition: all var(--duration-fast);
  border: none;
  background: none;
  padding: 0;
}

.service-expand-btn .material-symbols-outlined {
  font-size: 18px;
  transition: transform var(--duration-fast);
}

.service-card-full.expanded .service-expand-btn .material-symbols-outlined {
  transform: rotate(180deg);
}

.service-expand-btn:hover {
  color: var(--accent-teal-light);
}

@media (max-width: 1023px) {
  .all-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .all-services-grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════════
   DRONE FEATURED SECTION
   ══════════════════════════════════════════════ */
.drone-section {
  position: relative;
  background: var(--bg-secondary);
  overflow: hidden;
}

.drone-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(14, 165, 233, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.drone-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.drone-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-card);
}

.drone-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.drone-content h2 {
  margin-bottom: var(--space-md);
}

.drone-content > p {
  margin-bottom: var(--space-2xl);
  font-size: var(--fs-body-lg);
}

.drone-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.drone-feature {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.drone-feature .material-symbols-outlined {
  color: var(--accent-teal);
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.drone-feature h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-2xs);
}

.drone-feature p {
  font-size: var(--fs-caption);
  color: var(--text-tertiary);
}

@media (max-width: 1023px) {
  .drone-grid {
    grid-template-columns: 1fr;
  }

  .drone-features {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════════
   PROCESS TIMELINE
   ══════════════════════════════════════════════ */
.process-section {
  background: var(--bg-secondary);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: var(--border);
}

.timeline-step {
  text-align: center;
  position: relative;
}

.timeline-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  background: #ffffff;
  border: 2px solid var(--border);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--accent-teal);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  z-index: 1;
}

.timeline-step:hover .timeline-number {
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-glow);
  transform: scale(1.1);
}

.timeline-step h4 {
  font-size: var(--fs-body);
  margin-bottom: var(--space-xs);
}

.timeline-step p {
  font-size: var(--fs-small);
  color: var(--text-tertiary);
  max-width: 200px;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .timeline {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 36px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .timeline-step {
    text-align: left;
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: var(--space-md);
    align-items: center;
  }

  .timeline-number {
    margin: 0;
  }

  .timeline-step p {
    max-width: none;
  }
}