/* Educator certificate archive
   Continuous, manually scrollable, and ready for real certificate scans. */

.certificate-loop {
  grid-column: 1 / -1;
  display: block;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 30%),
    var(--deep);
  color: #fff;
  cursor: default;
}

.certificate-loop::before {
  opacity: 0.6;
}

.certificate-loop:hover {
  transform: none;
}

.certificate-loop .bento-spotlight {
  z-index: 1;
}

.certificate-loop-head {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.55fr);
  gap: 34px;
  align-items: end;
  padding: clamp(30px, 4.5vw, 58px);
}

.certificate-loop-kicker {
  display: block;
  margin-bottom: 15px;
  color: color-mix(in srgb, var(--accent) 86%, #fff);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.certificate-loop-head h3 {
  max-width: 710px;
  margin: 0;
  color: #fff;
  font-size: clamp(2.7rem, 5.4vw, 5.6rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.certificate-loop .certificate-loop-intro {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.95rem, 1.25vw, 1.08rem);
  line-height: 1.65;
}

.certificate-viewport {
  position: relative;
  z-index: 2;
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  touch-action: pan-x pan-y;
  cursor: grab;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.certificate-viewport:active {
  cursor: grabbing;
}

.certificate-viewport::-webkit-scrollbar {
  display: none;
}

.certificate-track {
  display: flex;
  width: max-content;
  gap: 0;
  padding: 10px 0 22px;
}

.certificate-set {
  display: flex;
  gap: clamp(14px, 1.6vw, 20px);
  padding-left: clamp(28px, 5vw, 64px);
}

.certificate-card {
  flex: 0 0 clamp(255px, 25vw, 330px);
  width: clamp(255px, 25vw, 330px);
  margin: 0;
}

.certificate-card.has-certificate-image {
  flex: 0 0 auto;
}

.certificate-card-standard {
  width: clamp(360px, 39vw, 510px);
}

.certificate-card-square {
  width: clamp(310px, 34vw, 430px);
}

.certificate-card-landscape {
  width: clamp(390px, 43vw, 550px);
}

.certificate-paper {
  position: relative;
  display: flex;
  min-height: clamp(340px, 34vw, 440px);
  flex-direction: column;
  overflow: hidden;
  padding: clamp(24px, 2.8vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 26px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), color-mix(in srgb, var(--surface) 82%, #fff));
  color: var(--ink);
  box-shadow:
    0 26px 46px -28px rgba(0, 0, 0, 0.72),
    inset 0 1px 1px #fff;
}

.has-certificate-image .certificate-paper {
  min-height: 0;
  padding: 0;
}

.certificate-card-standard .certificate-paper {
  aspect-ratio: 1.36 / 1;
}

.certificate-card-square .certificate-paper {
  aspect-ratio: 1.04 / 1;
}

.certificate-card-landscape .certificate-paper {
  aspect-ratio: 1.414 / 1;
}

.certificate-paper::before {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px solid color-mix(in srgb, var(--deep) 18%, transparent);
  border-radius: 18px;
  pointer-events: none;
}

.certificate-paper::after {
  content: "";
  position: absolute;
  right: -22%;
  bottom: -9%;
  width: 80%;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 24px color-mix(in srgb, var(--accent) 5%, transparent),
    0 0 0 50px color-mix(in srgb, var(--accent) 4%, transparent);
  pointer-events: none;
}

.certificate-paper img {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.certificate-placeholder-label,
.certificate-year,
.certificate-kind {
  position: relative;
  z-index: 1;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.certificate-placeholder-label {
  color: var(--muted);
}

.certificate-mark {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 22px 0 auto;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
}

.certificate-paper strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 24px;
  font-size: clamp(2.15rem, 3.8vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 0.94;
}

.certificate-paper small {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.certificate-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 5px 0;
  color: rgba(255, 255, 255, 0.72);
}

.certificate-year {
  color: #fff;
}

.certificate-kind {
  max-width: 180px;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: 0.06em;
  text-align: right;
}

.certificate-loop-foot {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 20px clamp(28px, 5vw, 58px) clamp(30px, 4vw, 48px);
}

.certificate-loop-help {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.certificate-loop-help strong {
  color: #fff;
}

.certificate-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.certificate-control {
  display: grid;
  place-items: center;
  min-width: 44px;
  height: 44px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.certificate-control:hover {
  background: #fff;
  color: var(--deep);
  transform: translateY(-1px);
}

.certificate-control:disabled {
  cursor: default;
  opacity: 0.48;
}

@media (max-width: 760px) {
  .certificate-loop-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .certificate-viewport {
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  }

  .certificate-loop-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .certificate-controls {
    width: 100%;
  }

  .certificate-control {
    flex: 1;
  }
}

@media (max-width: 620px) {
  .certificate-loop {
    border-radius: 26px;
  }

  .certificate-loop-head {
    padding: 30px 24px;
  }

  .certificate-loop-head h3 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .certificate-set {
    padding-left: 24px;
  }

  .certificate-card {
    flex-basis: min(78vw, 300px);
    width: min(78vw, 300px);
  }

  .certificate-paper {
    min-height: 390px;
  }

  .certificate-card.has-certificate-image {
    flex-basis: auto;
  }

  .certificate-card-standard,
  .certificate-card-landscape {
    width: min(86vw, 500px);
  }

  .certificate-card-square {
    width: min(78vw, 390px);
  }

  .has-certificate-image .certificate-paper {
    min-height: 0;
  }

  .certificate-loop-foot {
    padding-inline: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .certificate-control {
    transition: none !important;
  }
}