/* ============================================
   MecaLab3D - Filamentos Page Styles
   ============================================ */

/* Page header reuse from sobre.css */
.page-header {
  padding: 10rem 0 4rem;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 30%, rgba(0, 113, 227, 0.06) 0%, transparent 70%);
}

.page-header--hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
}

.page-header__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.7) 0%, rgba(10, 10, 10, 0.85) 60%, var(--bg-primary) 100%);
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header__title {
  max-width: 800px;
  margin: 1rem auto 1.5rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.page-header__desc {
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== FILAMENT TABS ========== */
.filament-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filament-tab {
  padding: 0.6rem 1.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.05em;
}

.filament-tab:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.filament-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

/* ========== FILAMENT CARD ========== */
.filament-cards {
  max-width: 800px;
  margin: 0 auto;
}

.filament-card {
  display: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  animation: fadeInUp 0.4s ease;
}

.filament-card.active {
  display: block;
}

.filament-card__header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.filament-card__color {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.filament-card__name {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.filament-card__full {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.filament-card__desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* Properties bars */
.filament-card__props {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.filament-prop {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 1rem;
  align-items: center;
}

.filament-prop__label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.filament-prop__bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.filament-prop__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-glow));
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.filament-prop__value {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  min-width: 70px;
  text-align: right;
}

@media (max-width: 640px) {
  .filament-prop {
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
  }

  .filament-prop__label {
    grid-column: 1 / -1;
  }
}

/* Applications */
.filament-card__apps {
  margin-bottom: 2rem;
}

.filament-card__apps h4,
.filament-card__colors h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.filament-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filament-card__tags span {
  padding: 0.3rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Color dots */
.filament-color-dots {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.color-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: default;
  transition: transform var(--transition-fast);
}

.color-dot:hover {
  transform: scale(1.2);
}

/* ========== PRINT MODES ========== */
.modes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.modes__card {
  text-align: center;
  padding: 2.5rem 2rem;
}

.modes__card--featured {
  border-color: var(--accent-primary);
  position: relative;
}

.modes__card--featured::before {
  opacity: 1 !important;
}

.modes__layer {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.modes__features {
  text-align: left;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modes__features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}

.modes__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
}

@media (max-width: 768px) {
  .modes__grid {
    grid-template-columns: 1fr;
  }
}

/* ========== NOZZLES ========== */
.nozzles__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.nozzles__card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.nozzles__size {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
}

@media (max-width: 1024px) {
  .nozzles__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .nozzles__grid {
    grid-template-columns: 1fr;
  }
}

/* ========== MACHINES ========== */
.machines__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.machines__specs {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.machines__spec {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.machines__spec:last-child {
  border-bottom: none;
}

.machines__spec strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Machine images */
.machines__img-wrapper {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.machines__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.machines__card:hover .machines__img {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .machines__grid {
    grid-template-columns: 1fr;
  }
}

/* CTA reuse */
.cta__content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 0;
}

.cta__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
}

.cta__desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cta__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}