/* ============================================
   APEXOS — CERTIFICATIONS & PAST PERFORMANCE BLOCK
   ============================================ */

.certifications {
  padding: 100px 0;
  background: var(--black-2);
  position: relative;
}

.certifications::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber-border), transparent);
}

.certifications-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

/* --- Compliance badges row --- */

.cert-badges-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 48px;
}

.cert-badge {
  background: var(--surface);
  border: none;
  padding: 24px 16px;
  font-family: inherit;
  color: var(--text);
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 96px;
  transition: background 0.2s;
}

.cert-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.cert-badge:hover,
.cert-badge:focus-within {
  background: var(--black-3);
  outline: none;
}

.cert-badge:hover::before,
.cert-badge:focus-within::before,
.cert-badge:focus::before {
  transform: scaleX(1);
}

/* visible focus ring for keyboard users */
.cert-badge:focus {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.cert-badge-label {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
  text-transform: uppercase;
}

.cert-badge-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease, max-height 0.25s ease;
}

.cert-badge:hover .cert-badge-desc,
.cert-badge:focus-within .cert-badge-desc {
  max-height: 80px;
  opacity: 1;
  transform: translateY(0);
}

/* --- Anonymized past performance tiles --- */

.past-perf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 56px;
}

.past-perf-tile {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
  transition: border-color 0.15s, color 0.15s;
}

.past-perf-tile::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--amber);
  border-radius: 50%;
  flex-shrink: 0;
}

.past-perf-tile:hover {
  border-color: var(--amber-border);
  color: var(--text-muted);
}

/* --- Testimonial block --- */

.cert-testimonial {
  position: relative;
  margin: 0 auto;
  max-width: 880px;
  padding: 32px 32px 32px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 4px;
}

.cert-testimonial-quote {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
  margin-bottom: 16px;
}

.cert-testimonial-attrib {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  font-style: normal;
  margin-bottom: 16px;
}

.cert-testimonial-metric {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid var(--amber-border);
  border-radius: 2px;
  padding: 6px 12px;
}

/* --- Responsive --- */

@media (max-width: 1024px) {
  .cert-badges-grid { grid-template-columns: repeat(3, 1fr); }
  .past-perf-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .certifications-container { padding: 0 24px; }
  .cert-badges-grid { grid-template-columns: repeat(2, 1fr); margin-bottom: 32px; }
  .past-perf-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 40px; }
  .cert-testimonial { padding: 24px 20px 24px 28px; }
  .cert-testimonial-quote { font-size: 15px; }
}

@media (max-width: 480px) {
  .cert-badges-grid { grid-template-columns: 1fr; }
  .past-perf-grid { grid-template-columns: 1fr; }
  /* On mobile, hover is unavailable — show the always-visible label only */
  .cert-badge-desc { display: none; }
  .cert-testimonial { padding: 20px 16px 20px 24px; }
  .cert-testimonial-quote { font-size: 14px; }
}