#achievements {
  padding: 7rem 10%;
  background: radial-gradient(circle at top, #0b1020, #05070d);
}

/* Grid */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
}

/* Card */
.achievement-card {
  background: rgba(255,255,255,0.04);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(138,92,255,0.2);
  backdrop-filter: blur(14px);
  text-align: center;
  position: relative;
  transition: transform .4s ease, box-shadow .4s ease;
}

.achievement-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 60px rgba(138,92,255,0.3);
}

/* Icon */
.icon-box {
  width: 70px;
  height: 70px;
  margin: auto;
  border-radius: 18px;
  background: linear-gradient(135deg, #6a5cff, #00ff88);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1rem;
  box-shadow: 0 0 30px rgba(0,255,136,0.5);
}

/* Tag */
.tag {
  display: inline-block;
  margin-bottom: .5rem;
  padding: .25rem .7rem;
  font-size: .75rem;
  border-radius: 999px;
  background: rgba(138,92,255,.2);
  color: #c4b5fd;
}

.year {
  display: block;
  margin-top: .8rem;
  color: #94a3b8;
  font-size: .85rem;
}

.sub-title {
  text-align: center;
  font-size: 2rem;
  margin: 5rem 0 2rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1.8rem;
}

.cert-card {
  background: rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid rgba(0,255,136,0.2);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cert-icon {
  font-size: 2rem;
  color: #00ff88;
}

.thanks-logos {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.logo-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 1px solid rgba(138,92,255,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  backdrop-filter: blur(10px);
  transition: all .4s ease;
}

.logo-circle:hover {
  box-shadow: 0 0 40px rgba(138,92,255,.4);
  transform: scale(1.1);
}