/* ═══════════════════════════════════════════════════════════════
   CERTIFICATIONS.CSS  –  Certifications Section (Module 7)
   Jeeva Sivan Portfolio | Dark Futuristic Developer Theme
   ═══════════════════════════════════════════════════════════════ */

.cert-content {
  padding-block: var(--sp-20);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-6);
  max-width: var(--max-width);
  margin-inline: auto;
  margin-top: var(--sp-10);
}

.cert-card {
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: border-color var(--transition-base), transform var(--transition-bounce), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.cert-card:hover {
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--glow-cyan);
}

.cert-card:hover::before {
  opacity: 1;
}

.cert-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.cert-issuer-scaler {
  color: var(--clr-blue-bright);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.cert-issuer-guvi {
  color: #10b981; /* Green */
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.cert-issuer-infosys {
  color: #f59e0b; /* Amber */
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.cert-issuer-cisco {
  color: var(--clr-cyan-bright);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.cert-issuer-aws {
  color: #f97316; /* AWS Orange */
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.cert-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clr-text-muted);
}

.cert-title {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--clr-text-primary);
  line-height: var(--lh-snug);
}

.cert-icon {
  font-size: 1.5rem;
  opacity: 0.85;
}

.cert-btn {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--clr-cyan-bright);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  text-decoration: none;
  width: fit-content;
  transition: all var(--transition-bounce);
}

.cert-btn:hover {
  color: #ffffff;
  background: rgba(6, 182, 212, 0.25);
  border-color: rgba(6, 182, 212, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.cert-btn svg {
  transition: transform var(--transition-fast);
}

.cert-btn:hover svg {
  transform: translate(2px, -2px);
}