/* Homepage teachers + ranks preview */

.kn-home-showcase {
  position: relative;
  z-index: 10;
  margin-top: 8rem;
}

.kn-home-showcase__glow {
  position: absolute;
  left: 50%;
  top: 40%;
  width: 70%;
  height: 60%;
  transform: translate(-50%, -50%);
  background: rgba(124, 58, 237, 0.1);
  filter: blur(120px);
  border-radius: 9999px;
  pointer-events: none;
  z-index: 0;
}

.kn-home-showcase__block {
  position: relative;
  z-index: 1;
}

.kn-home-showcase__block + .kn-home-showcase__block {
  margin-top: 3.5rem;
}

.kn-home-showcase__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.kn-home-showcase__eyebrow {
  display: inline-block;
  margin: 0 0 0.65rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  border-radius: 9999px;
}

.kn-home-showcase__eyebrow--cyan {
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

.kn-home-showcase__eyebrow--gold {
  color: #ffd700;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.25);
}

.kn-home-showcase__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.25);
}

.kn-home-showcase__text {
  margin: 0.45rem 0 0;
  max-width: 34rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: #9ca3af;
}

.kn-home-showcase__nav {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.kn-home-showcase__nav-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 9, 26, 0.65);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.kn-home-showcase__nav-btn:hover {
  border-color: #ffd700;
  color: #ffd700;
  transform: scale(1.05);
}

.kn-home-showcase__track {
  display: flex;
  gap: 1.15rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 0.35rem 0.25rem 1rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.kn-home-showcase__track::-webkit-scrollbar {
  display: none;
}

.kn-home-showcase__staff-card {
  flex: 0 0 auto;
  width: min(220px, 72vw);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: 1rem;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(27, 29, 68, 0.55), rgba(8, 9, 26, 0.8));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.kn-home-showcase__staff-card:hover {
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: 0 0 28px rgba(0, 229, 255, 0.15);
  transform: translateY(-5px);
}

.kn-home-showcase__staff-photo {
  aspect-ratio: 1 / 1;
  background: rgba(4, 4, 13, 0.85);
  overflow: hidden;
}

.kn-home-showcase__staff-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.kn-home-showcase__staff-card:hover .kn-home-showcase__staff-photo img {
  transform: scale(1.06);
  opacity: 1;
}

.kn-home-showcase__staff-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: 2rem;
}

.kn-home-showcase__staff-body {
  padding: 0.9rem 1rem 1.1rem;
  text-align: center;
}

.kn-home-showcase__staff-name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.4;
}

.kn-home-showcase__staff-card:hover .kn-home-showcase__staff-name {
  color: #00e5ff;
}

.kn-home-showcase__staff-meta {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  color: #9ca3af;
  line-height: 1.5;
}

.kn-home-showcase__marquee {
  position: relative;
  overflow: hidden;
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 215, 0, 0.2);
  background:
    radial-gradient(circle at 15% 40%, rgba(255, 215, 0, 0.08), transparent 45%),
    radial-gradient(circle at 85% 60%, rgba(124, 58, 237, 0.12), transparent 40%),
    linear-gradient(135deg, rgba(8, 9, 26, 0.9), rgba(16, 18, 44, 0.85));
  padding: 1.1rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.kn-home-showcase__marquee-track {
  display: flex;
  width: max-content;
  gap: 0.75rem;
  animation: kn-home-marquee 55s linear infinite;
  padding-inline: 0.75rem;
}

.kn-home-showcase__marquee:hover .kn-home-showcase__marquee-track {
  animation-play-state: paused;
}

@keyframes kn-home-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(50%); }
}

[dir="rtl"] .kn-home-showcase__marquee-track {
  animation-name: kn-home-marquee-rtl;
}

@keyframes kn-home-marquee-rtl {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.kn-home-showcase__rank {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 240px;
  max-width: 300px;
  padding: 0.65rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(27, 29, 68, 0.7), rgba(4, 4, 13, 0.85));
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.kn-home-showcase__rank-main {
  flex: 1;
  min-width: 0;
}

.kn-home-showcase__rank-name {
  display: block;
  font-size: 0.8rem;
  font-weight: 900;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kn-home-showcase__rank-field {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.68rem;
  color: #9ca3af;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kn-home-showcase__rank-badge {
  flex-shrink: 0;
  min-width: 2.6rem;
  height: 2.6rem;
  border-radius: 9999px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.35);
  color: #ffd700;
  line-height: 1.1;
}

.kn-home-showcase__rank-badge--empty {
  font-size: 0.85rem;
}

.kn-home-showcase__rank-label {
  font-size: 8px;
  font-weight: 700;
  opacity: 0.8;
}

.kn-home-showcase__rank-num {
  font-size: 0.72rem;
  font-weight: 900;
}

.kn-home-showcase__cta-row {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}

.kn-home-showcase__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 0.85rem;
  font-size: 0.8rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.kn-home-showcase__cta--cyan {
  color: #04040d;
  background: linear-gradient(135deg, #00e5ff, #3b82f6);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.3);
}

.kn-home-showcase__cta--cyan:hover {
  transform: scale(1.04);
  box-shadow: 0 0 26px rgba(0, 229, 255, 0.5);
}

.kn-home-showcase__cta--gold {
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.55);
  background: rgba(255, 215, 0, 0.08);
}

.kn-home-showcase__cta--gold:hover {
  color: #04040d;
  background: #ffd700;
  transform: scale(1.04);
  box-shadow: 0 0 22px rgba(255, 215, 0, 0.45);
}

.kn-home-showcase__empty {
  margin: 0;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #9ca3af;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
}

@media (max-width: 639px) {
  .kn-home-showcase {
    margin-top: 5rem;
  }

  .kn-home-showcase__head {
    align-items: flex-start;
  }

  .kn-home-showcase__nav {
    width: 100%;
    justify-content: flex-end;
  }
}