/* Brand Emblem Grid Wall (Left) + Sticky Spinner (Right) on Website Original Background */

#certificates {
  padding: 100px 24px 120px;
  position: relative;
  background: var(--bg-color);
  overflow: visible;
}

/* Side-by-Side Layout Container (Height Centered) */
.certificates-layout-container {
  display: flex;
  flex-direction: row;
  align-items: center; /* Vertically centered in height */
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 80px;
}

/* Left Side: Brand Emblem Matrix Grid Wall */
.certificates-left {
  flex: 0 1 700px;
  width: 100%;
  min-width: 0;
}

.emblem-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px dotted rgba(255, 255, 255, 0.15);
  border-left: 1px dotted rgba(255, 255, 255, 0.15);
}

/* Individual Emblem Tile Item */
.emblem-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px 36px 20px;
  border-right: 1px dotted rgba(255, 255, 255, 0.15);
  border-bottom: 1px dotted rgba(255, 255, 255, 0.15);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.015);
  overflow: hidden;
  transition: background 0.3s ease;
  min-height: 190px;
}

.emblem-default-layer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.emblem-icon-wrapper {
  width: 80px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  opacity: 0.85;
  transition: transform 0.3s ease, opacity 0.3s ease;
  margin-bottom: 20px;
}

.emblem-icon-wrapper svg {
  width: 100%;
  height: 100%;
  max-height: 60px;
  object-fit: contain;
  fill: currentColor;
}

.emblem-label {
  font-family: var(--font-mono, 'Space Grotesk', monospace);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted, #888);
  text-align: center;
  transition: color 0.3s ease;
}

/* Actual Certificate Image Hover Overlay */
.cert-hover-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.cert-hover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.emblem-tile:hover .cert-hover-layer {
  opacity: 1;
}

.emblem-tile:hover .emblem-default-layer {
  opacity: 0;
}

/* Right Side: Sticky Spinner Heading */
.certificates-right {
  position: sticky;
  top: calc(50vh - 170px);
  flex-shrink: 0;
  width: 360px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.spinning-heading-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinning-circle {
  position: absolute;
  width: 100%;
  height: 100%;
  animation: spin-circle 24s linear infinite;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-color);
}

.spinning-circle span {
  position: absolute;
  top: 0;
  left: 50%;
  transform-origin: 50% 170px;
}

@keyframes spin-circle {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinning-star {
  position: relative;
  width: 72px;
  height: 72px;
  color: var(--text-color);
}

/* Responsive Side-by-Side Layout */
@media (max-width: 968px) {
  .certificates-layout-container {
    flex-direction: column-reverse;
    gap: 40px;
    align-items: center;
  }
  .certificates-right {
    position: relative;
    top: auto;
    width: 100%;
  }
  .emblem-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .emblem-matrix-grid {
    grid-template-columns: 1fr;
  }
}

/* Premium CRED Holographic Sheen */
.cert-cred-sheen {
  position: absolute;
  top: -100%;
  left: -100%;
  right: -100%;
  bottom: -100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: var(--shine-opacity, 0);
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 5;
  transform: translate(var(--shine-x, 0px), var(--shine-y, 0px));
}

.cert-cred-card:hover .cert-cred-frame {
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35), 0 15px 35px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Modern Minimal Modal */
.cert-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.cert-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.cert-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cert-modal-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-height: 94vh;
}

.cert-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.5rem;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.cert-modal-close:hover {
  background: #ffffff;
  color: #000000;
}

/* 3D Certificate Viewer inside Modal */
.cert-3d-stage {
  perspective: 1500px;
  width: 100%;
  display: flex;
  justify-content: center;
}

.cert-3d-plaque {
  width: 100%;
  max-width: 820px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
  cursor: grab;
  background: #ffffff;
}

.cert-3d-plaque:active {
  cursor: grabbing;
}

.plaque-media-wrapper {
  width: 100%;
}

.plaque-media-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .certificates-grid {
    padding-top: 10vh;
  }
  .cert-cred-card {
    top: 15vh;
    margin-bottom: 80vh;
  }
}