/* ================================================================
   RESUME PAGE
   ================================================================ */
.resume-header {
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 1px solid var(--color-border);
}
.resume-header__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.resume-header__title { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
.resume-header__sub {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: var(--space-2);
}

/* ── Sticky Sidebar ── */
.resume-sidebar {
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-6));
}
.resume-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.resume-sidebar__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}
.resume-sidebar__link:hover {
  color: var(--color-text-muted);
  border-left-color: var(--color-border-light);
  background: var(--color-surface);
}
.resume-sidebar__link.active {
  color: var(--color-accent-blue);
  border-left-color: var(--color-accent-blue);
  background: var(--color-accent-blue-dim);
}
.resume-sidebar__section-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-dim);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-4);
}
.resume-sidebar__section-title:first-child { margin-top: 0; }

/* ── Resume Sections ── */
.resume-section {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border);
}
.resume-section:last-child { border-bottom: none; }

.resume-section__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.resume-section__title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── Org Cards ── */
.org-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .org-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .org-grid { grid-template-columns: repeat(3, 1fr); } }

.org-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.org-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}
.org-card__name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.org-card__role {
  font-size: var(--text-xs);
  color: var(--color-accent-blue);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
}
.org-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}
.org-card__dates {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  margin-top: var(--space-3);
}

/* ── Cert Grid ── */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cert-grid { grid-template-columns: repeat(3, 1fr); } }

.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.cert-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}
.cert-card__badge {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cert-card__badge img { width: 100%; height: 100%; object-fit: contain; }
.cert-card__badge-placeholder {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  font-weight: 700;
}
.cert-card__name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 3px;
  line-height: var(--leading-snug);
}
.cert-card__issuer { margin-bottom: 4px; }
.cert-card__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}
/* ── Cert card — clickable variant ── */
.cert-card--clickable {
  cursor: pointer;
}
.cert-card--clickable:hover {
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.cert-card--clickable:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}
/* Expand overlay on the badge thumbnail */
.cert-card__badge {
  position: relative;
  overflow: hidden;
}
.cert-card__badge-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 111, 212, 0.70);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.cert-card--clickable:hover .cert-card__badge-overlay { opacity: 1; }

/* ── Cert lightbox ── */
.cert-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.cert-lightbox-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.cert-lightbox {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: 860px;
  transform: scale(0.96);
  transition: transform var(--transition-base);
}
.cert-lightbox-overlay.open .cert-lightbox {
  transform: scale(1);
}
.cert-lightbox__close {
  position: absolute;
  top: calc(-1 * var(--space-10));
  right: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cert-lightbox__close:hover {
  background: var(--color-accent-blue-dim);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}
.cert-lightbox__img-wrap {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cert-lightbox__img {
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  display: block;
}
.cert-lightbox__caption {
  text-align: center;
}
.cert-lightbox__name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-1);
}
.cert-lightbox__issuer {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
}

.cert-card__verify {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  transition: color var(--transition-fast);
}
.cert-card__verify:hover { color: var(--color-accent-blue-hover); }