/* =====================
   Certificates Section
   ===================== */

.section-certificates {
  background: #f8fafc; /* very light blue for subtle contrast */
  padding: 60px 2vw;

  width: 100%;
  box-shadow: 0 6px 32px rgba(0,0,0,0.06);
}

.certificates-heading {
  font-size: 2.2rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 48px;
  text-align: center;
  letter-spacing: 0.015em;
  /* visually center in the grid area */
  width: 100%;
  max-width: 1300px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 18px;  /* adjust this to align with card content */
  box-sizing: border-box;
}

.section-heading {
  font-size: 2.2rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 48px;
  text-align: center;
  letter-spacing: 0.015em;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.certificate-card {
  background: linear-gradient(135deg, #fff 85%, #e6f7ff 100%);
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: 
    transform 0.18s cubic-bezier(.4,2,.3,1),
    box-shadow 0.22s cubic-bezier(.4,2,.3,1),
    border 0.18s cubic-bezier(.4,2,.3,1);
  border: 2px solid transparent;
  position: relative;
}


.certificate-card:hover {
  transform: translateY(-7px) scale(1.035);
  box-shadow: 0 10px 40px rgba(52, 211, 153, 0.17);
  border-color: #4ade80; /* Tailwind green-400 */
}

.certificate-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.12);
}

.certificate-icon {
  width: 96px;
  height: 96px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 3px 8px rgba(60,132,206,0.13));
}
.certificate-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #252525;
  margin: 0 0 4px 0;
  line-height: 1.38;
  text-align: center;
}


.certificate-issuer {
  font-size: 0.95rem;
  color: #7a7a7a;
  font-weight: 400;
  margin-bottom: 0;
}

.certificate-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  background: #4ade80;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 16px 6px 16px;
  border-radius: 0 24px 0 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.09);
}



/* Responsive */
/* Responsive: Tablet */
@media (max-width: 900px) {
  .certificates-heading, .section-heading { font-size: 1.5rem; }
  .certificates-grid { gap: 20px; }
  .certificate-card { padding: 24px 10px; }
  .certificate-icon { width: 70px; height: 70px; }
}

/* Responsive: Phone */
@media (max-width: 600px) {
  .section-certificates { padding: 34px 2vw; }
  .certificates-heading, .section-heading { font-size: 1.1rem; margin-bottom: 26px; }
  .certificate-card { padding: 15px 4px; }
  .certificate-icon { width: 44px; height: 44px; }
  .certificates-grid { gap: 12px; }
}