/* ================= CONTAINER ================= */
.page-container {
  max-width: 1200px;
  margin: 8.4px auto 2.8rem;
  padding: 0 1.4rem;
}

/* ================= HEADER ================= */
.page-header {
  text-align: center;
  margin-bottom: 2.1rem;
}

.page-header h1 {
  font-size: 1.4rem;
  margin-bottom: .35rem;
}

.page-header p {
  color: var(--muted);
}

/* ================= FILTROS ================= */
.certificates-controls {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.certificates-controls input,
.certificates-controls select {
  padding: 0.56rem 0.7rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.665rem;
}


.tech-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.tech-filters button {
  padding: .28rem .63rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: .665rem;
  cursor: pointer;
}

.tech-filters button.active {
  background: var(--accent);
  color: #fff;
}

/* ================= CARROSSEL ================= */
.certificates-carousel {
  position: relative;
}

.certificates-viewport {
  overflow: hidden;
  padding: 0 0.7rem;
  padding-top: 0.7rem;
  scroll-behavior: smooth;
  touch-action: pan-y;
}

/* GRID 3x3 */
.certificates-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(3, 1fr);
  grid-auto-columns: calc((100% - 2.1rem) / 3);
  gap: 1.05rem;
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: transform .55s cubic-bezier(.22,.61,.36,1);
}

/* ================= CARD ================= */
.certificate-card {
  background: var(--card);
  border: 1px solid var(--border); 
  border-radius: 13px; 
  padding: 0.7rem; 
  cursor: pointer; 
  transition: transform .2s ease, 
  box-shadow .2s ease;
  
}


.certificate-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
}

.certificate-image {
  width: 100%; 
  height: 112px; 
  overflow: hidden; 
  border-radius: 8px;
  display: flex; 
  align-items: center; 
  justify-content: center;
  background: color-mix(in srgb, var(--bg) 85%, black);
}


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

.certificate-card h3 {
  font-size: 0.805rem;
  margin-bottom: .28rem;
}

.certificate-card p {
  font-size: 0.7rem;
  color: var(--muted);
}

/* ================= SETAS ================= */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 29.4px;
  height: 29.4px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 1.12rem;
  cursor: pointer;
}

.carousel-btn.left {
  left: -42px;
}

.carousel-btn.right {
  right: -42px;
}

.carousel-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}