/* ============================================================
   GALLERY.CSS – Photo Gallery Modal
   ============================================================ */

#gallery {
  background:
    radial-gradient(ellipse 65% 55% at 20% 50%, rgba(139,92,246,0.07) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 85% 30%, rgba(232,68,90,0.08) 0%, transparent 55%),
    var(--bg2);
}

.project-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

/* Single gallery item */
.pg-item {
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  box-shadow: 0 4px 18px rgba(0,0,0,0.4);
  border: 1px solid var(--border-lt);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1),
              box-shadow .35s,
              border-color .35s;
  background: var(--card);
}

.pg-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 50px rgba(232,68,90,0.22), var(--glow);
  border-color: rgba(232,68,90,0.40);
}

/* Image wrapper */
.pg-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.pg-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.45s ease;
}

.pg-item:hover .pg-img-wrap img {
  transform: scale(1.08);
}

/* Hover overlay */
.pg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(199,51,82,0.65) 0%,
    rgba(139,92,246,0.50) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  opacity: 0;
  transition: opacity .35s;
}

.pg-item:hover .pg-overlay { opacity: 1; }

.pg-overlay i {
  font-size: 1.8rem;
  color: #fff;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.pg-overlay span {
  font-family: var(--font-pixel);
  font-size: .5rem;
  color: rgba(255,255,255,0.9);
  letter-spacing: 1px;
  line-height: 1.8;
}

/* Caption bar below image */
.pg-caption {
  padding: .75rem 1rem;
  font-family: var(--font-pixel);
  font-size: .48rem;
  color: var(--muted-lt);
  letter-spacing: .5px;
  line-height: 1.8;
  border-top: 1px solid var(--border-lt);
  transition: color .25s;
}

.pg-item:hover .pg-caption { color: var(--red-lt); }

/* Add photo placeholder card */
.pg-item.pg-add {
  border: 2px dashed rgba(232,68,90,0.30);
  background: rgba(232,68,90,0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  min-height: 240px;
  cursor: default;
}

.pg-add i {
  font-size: 2rem;
  color: rgba(232,68,90,0.35);
}

.pg-add span {
  font-family: var(--font-pixel);
  font-size: .44rem;
  color: rgba(232,68,90,0.45);
  text-align: center;
  line-height: 2;
  letter-spacing: .5px;
}

/* ══════════════════════════════════════
   MODAL LIGHTBOX (shared with gallery)
   ══════════════════════════════════════ */

.gallery-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  align-items: center;
  justify-content: center;
}

.gallery-modal.open {
  display: flex;
}

.gallery-modal-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 520px;
  width: 90%;
  animation: galleryFadeIn 0.35s cubic-bezier(.34,1.56,.64,1) both;
}

@keyframes galleryFadeIn {
  from { opacity: 0; transform: scale(0.88) translateY(24px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.gallery-main-img {
  width: auto;
  max-width: 440px;
  max-height: 72vh;
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  object-fit: cover;
  object-position: center top;
  border: 2px solid rgba(196,53,43,0.40);
  box-shadow:
    0 20px 70px rgba(196,53,43,0.32),
    0  4px 20px rgba(0,0,0,0.55);
  transition: opacity 0.28s ease, transform 0.28s ease;
  display: block;
}

.gallery-main-img.switching {
  opacity: 0;
  transform: scale(0.92);
}

.gallery-label {
  font-family: var(--font-pixel);
  font-size: .55rem;
  font-weight: 400;
  color: var(--red-lt);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  line-height: 1.8;
}

.gallery-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.gallery-btn {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: rgba(232,68,90,0.14);
  border: 1.5px solid rgba(232,68,90,0.30);
  color: var(--red-lt);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s cubic-bezier(.34,1.56,.64,1);
}

.gallery-btn:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 6px 22px rgba(232,68,90,0.52);
}

.gallery-counter {
  font-family: var(--font-pixel);
  font-size: .5rem;
  color: var(--muted-lt);
  font-weight: 400;
  letter-spacing: .5px;
  min-width: 50px;
  text-align: center;
  line-height: 1.8;
}

.gallery-dots {
  display: flex;
  gap: .6rem;
  align-items: center;
}

.gallery-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.20);
  border: 1.5px solid rgba(232,68,90,0.28);
  cursor: pointer;
  transition: all .25s;
  padding: 0;
}

.gallery-dot.active {
  background: var(--grad);
  border-color: transparent;
  transform: scale(1.35);
  box-shadow: 0 2px 10px rgba(232,68,90,0.55);
}

.gallery-dot:not(.active):hover {
  background: rgba(232,68,90,0.38);
  border-color: rgba(232,68,90,0.60);
}

.gallery-close {
  position: absolute;
  top: -18px; right: -18px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--red-dk);
  border: 2px solid rgba(255,255,255,0.10);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(232,68,90,0.52);
  transition: background .2s, transform .25s cubic-bezier(.34,1.56,.64,1);
  z-index: 10;
}

.gallery-close:hover {
  background: var(--red);
  transform: scale(1.14) rotate(90deg);
}

.gallery-hint {
  font-family: var(--font-pixel);
  font-size: .42rem;
  color: var(--muted);
  letter-spacing: .4px;
  line-height: 2;
  text-align: center;
}

/* ── Responsive gallery grid ── */
@media (max-width: 640px) {
  .project-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .85rem;
  }
  .gallery-modal-inner { width: 94%; }
  .gallery-main-img    { max-width: 320px; }
  .gallery-close       { top: -12px; right: -12px; }
}

/* ══════════════════════════════════════════════════════════════════
   CERTIFICATES GALLERY & LIGHTBOX (NEW)
   ══════════════════════════════════════════════════════════════════ */

/* ── Grid Layout (Desktop 3 col, Tablet 2 col, Mobile 1 col) ── */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 1024px) {
  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 640px) {
  .certificates-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ── Certificate Card ── */
.cert-card-gallery {
  background: var(--card, rgba(255,255,255,0.04));
  border: 1px solid var(--border-lt, rgba(255,255,255,0.07));
  border-radius: var(--radius-lg, 18px);
  padding: 1.1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  user-select: none;
}

/* Light mode card (Milk & Orange system) */
html[data-theme="light"] .cert-card-gallery {
  background: var(--milk-2, #F4F4E4);
  border: 1px solid var(--hairline, rgba(38,40,42,0.14));
  border-radius: 20px;
  box-shadow: 0 12px 28px -20px rgba(38,40,42,0.25);
}

/* Dark mode card */
[data-theme="dark"] .cert-card-gallery {
  background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 24px rgba(0,0,0,0.40);
}

/* Hover & Focus state */
.cert-card-gallery:hover,
.cert-card-gallery:focus-visible {
  transform: translateY(-4px);
  outline: none;
}

[data-theme="dark"] .cert-card-gallery:hover,
[data-theme="dark"] .cert-card-gallery:focus-visible {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 48px -12px rgba(0,0,0,0.7);
}

html[data-theme="light"] .cert-card-gallery:hover,
html[data-theme="light"] .cert-card-gallery:focus-visible {
  border-color: var(--orange, #EC5E27);
  box-shadow: 0 12px 28px -20px rgba(38,40,42,0.25);
}

html[data-theme="light"] .cert-card-gallery:focus-visible {
  outline: 3px solid var(--orange, #EC5E27);
  outline-offset: 3px;
}

.cert-card-gallery:focus-visible {
  outline: 3px solid #FF6A00;
  outline-offset: 3px;
}

[data-theme="dark"] .cert-card-gallery:focus-visible {
  outline: 3px solid #C6FF34;
  outline-offset: 3px;
}

/* ── Thumbnail Wrapper ── */
.cert-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  background: var(--bg2, #12121b);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

html[data-theme="light"] .cert-thumb-wrap {
  background: var(--milk-3, #FFFFF8);
  border: 1px solid var(--hairline, rgba(38,40,42,0.14));
}

.cert-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.25s ease;
}

.cert-card-gallery:hover .cert-thumb-img {
  transform: scale(1.03);
}

/* ── Hover Overlay & Zoom Icon ── */
.cert-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(18, 18, 26, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

.cert-card-gallery:hover .cert-hover-overlay,
.cert-card-gallery:focus-visible .cert-hover-overlay {
  opacity: 1;
}

.cert-zoom-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF8A1F 0%, #FF6A00 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 6px 20px rgba(255,106,0,0.45);
  transform: scale(0.85);
  transition: transform 0.22s ease;
}

.cert-card-gallery:hover .cert-zoom-icon {
  transform: scale(1);
}

html[data-theme="light"] .cert-zoom-icon {
  background: rgba(38, 40, 42, 0.78);
  color: var(--milk, #FDFDF1);
  border: 1px solid rgba(253, 253, 241, 0.28);
  box-shadow: none;
}

/* ── Card Content Info ── */
.cert-card-info {
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.cert-card-title {
  font-family: var(--lm-serif, 'DM Serif Display', Georgia, serif);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-bright, #eeedf5);
  letter-spacing: -0.01em;
  margin: 0;
}

html[data-theme="light"] .cert-card-title {
  color: var(--ink, #26282A);
}

[data-theme="dark"] .cert-card-title {
  font-family: var(--font-sans, 'Outfit', sans-serif);
  font-weight: 700;
  color: #eeedf5;
}

.cert-card-meta {
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 0.82rem;
  color: var(--muted-lt, #8a8a9e);
  margin: 0;
  line-height: 1.4;
}

html[data-theme="light"] .cert-card-meta {
  color: var(--ink-soft, #5A5E63);
}

/* ── Pagination Button Wrap ── */
.cert-pagination-wrap {
  display: flex;
  justify-content: center;
  margin-top: 2.75rem;
}

.cert-load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF8A1F 0%, #FF6A00 100%);
  color: #FFFFFF;
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 24px -10px rgba(255,106,0,0.65);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme="light"] .cert-load-more-btn {
  background: var(--orange, #EC5E27);
  color: var(--milk, #FDFDF1);
  box-shadow: none;
}

.cert-load-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px rgba(255,106,0,0.75);
}

html[data-theme="light"] .cert-load-more-btn:hover {
  background: var(--orange-dark, #C94A18);
  color: var(--milk, #FDFDF1);
  box-shadow: none;
}

.cert-load-more-btn:active {
  transform: translateY(0);
}

/* ── Loading & Error States ── */
.cert-loading-state,
.cert-error-msg {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--muted-lt, #8a8a9e);
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
}

.cert-loading-spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(255,106,0,0.20);
  border-top-color: #FF6A00;
  border-radius: 50%;
  animation: clSpin 0.8s linear infinite;
}

html[data-theme="light"] .cert-loading-spinner {
  border: 3px solid rgba(236,94,39,0.20);
  border-top-color: var(--orange, #EC5E27);
}

.cert-error-msg i {
  font-size: 2rem;
  color: #FF6A00;
}

html[data-theme="light"] .cert-error-msg i {
  color: var(--orange, #EC5E27);
}

/* ══════════════════════════════════════════════════
   CERTIFICATE LIGHTBOX
   ══════════════════════════════════════════════════ */
.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-sizing: border-box;
}

.cert-lightbox.open {
  display: flex;
}

/* Backdrop */
.cl-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 18, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* Container */
.cl-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1040px;
  max-height: 94vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: clFadeIn 0.24s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes clFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Header bar */
.cl-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding: 0 0.25rem;
}

.cl-counter {
  font-family: var(--font-mono, monospace);
  font-size: 0.82rem;
  font-weight: 600;
  color: #FFFFFF;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.cl-close-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  color: #FFFFFF;
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.cl-close-btn:hover {
  background: #FF6A00;
  border-color: #FF6A00;
  transform: rotate(90deg) scale(1.08);
}

.cl-close-btn:focus-visible {
  outline: 3px solid #FF6A00;
  outline-offset: 3px;
}

/* Nav Arrows */
.cl-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(24, 24, 34, 0.85);
  border: 1px solid rgba(255,255,255,0.22);
  color: #FFFFFF;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cl-prev-btn { left: -24px; }
.cl-next-btn { right: -24px; }

.cl-nav-btn:hover {
  background: #FF6A00;
  border-color: #FF6A00;
  transform: translateY(-50%) scale(1.10);
  box-shadow: 0 6px 20px rgba(255,106,0,0.5);
}

.cl-nav-btn:focus-visible {
  outline: 3px solid #FF6A00;
  outline-offset: 3px;
}

/* Main Content Area */
.cl-content {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  max-height: 70vh;
}

.cl-image {
  max-width: 100%;
  max-height: 68vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.65);
  transition: opacity 0.22s ease;
  display: block;
}

.cl-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cl-spinner-icon {
  width: 44px;
  height: 44px;
  border: 3.5px solid rgba(255,255,255,0.15);
  border-top-color: #FF6A00;
  border-radius: 50%;
  animation: clSpin 0.75s linear infinite;
}

@keyframes clSpin {
  to { transform: rotate(360deg); }
}

/* Footer Bar */
.cl-footer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-top: 1rem;
  padding: 0 0.5rem;
  flex-wrap: wrap;
}

.cl-info {
  flex: 1;
  min-width: 240px;
}

.cl-title {
  color: #FFFFFF;
  font-family: var(--lm-serif, 'DM Serif Display', Georgia, serif);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 0.3rem 0;
  letter-spacing: -0.01em;
}

.cl-meta {
  color: rgba(255,255,255,0.72);
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 0.85rem;
  margin: 0;
}

.cl-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  padding: 0.65rem 1.45rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF8A1F 0%, #FF6A00 100%);
  color: #FFFFFF !important;
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 8px 24px -6px rgba(255,106,0,0.65);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.cl-open-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -6px rgba(255,106,0,0.80);
}

.cl-open-btn:focus-visible {
  outline: 3px solid #FF6A00;
  outline-offset: 3px;
}

/* ── Light Mode Lightbox Controls Overrides ── */
html[data-theme="light"] .cl-close-btn:hover {
  background: #EC5E27;
  border-color: #EC5E27;
}
html[data-theme="light"] .cl-close-btn:focus-visible {
  outline: 3px solid #EC5E27;
}
html[data-theme="light"] .cl-nav-btn:hover {
  background: #EC5E27;
  border-color: #EC5E27;
  box-shadow: none;
}
html[data-theme="light"] .cl-nav-btn:focus-visible {
  outline: 3px solid #EC5E27;
}
html[data-theme="light"] .cl-spinner-icon {
  border-top-color: #EC5E27;
}
html[data-theme="light"] .cl-open-btn {
  background: #EC5E27;
  color: #FDFDF1 !important;
  box-shadow: none;
}
html[data-theme="light"] .cl-open-btn:hover {
  background: #C94A18;
  box-shadow: none;
}
html[data-theme="light"] .cl-open-btn:focus-visible {
  outline: 3px solid #EC5E27;
}

/* ── Dark Mode Lightbox Controls & Gallery Overrides ── */
[data-theme="dark"] .cert-zoom-icon {
  background: #C6FF34;
  color: #000000;
  box-shadow: none;
}
[data-theme="dark"] .cert-zoom-icon i {
  color: #000000;
}
[data-theme="dark"] .cert-load-more-btn {
  background: #C6FF34;
  color: #000000;
  box-shadow: none;
}
[data-theme="dark"] .cert-load-more-btn:hover {
  background: #B2E82C;
  color: #000000;
  box-shadow: none;
}
[data-theme="dark"] .cert-loading-spinner {
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: #C6FF34;
}
[data-theme="dark"] .cert-error-msg i {
  color: #C6FF34;
}
[data-theme="dark"] .cl-close-btn:hover {
  background: #C6FF34;
  border-color: #C6FF34;
  color: #000000;
}
[data-theme="dark"] .cl-close-btn:focus-visible {
  outline: 3px solid #C6FF34;
}
[data-theme="dark"] .cl-nav-btn:hover {
  background: #C6FF34;
  border-color: #C6FF34;
  color: #000000;
  box-shadow: none;
}
[data-theme="dark"] .cl-nav-btn:focus-visible {
  outline: 3px solid #C6FF34;
}
[data-theme="dark"] .cl-spinner-icon {
  border-top-color: #C6FF34;
}
[data-theme="dark"] .cl-open-btn {
  background: #C6FF34;
  color: #000000 !important;
  box-shadow: none;
}
[data-theme="dark"] .cl-open-btn:hover {
  background: #B2E82C;
  box-shadow: none;
}
[data-theme="dark"] .cl-open-btn:focus-visible {
  outline: 3px solid #C6FF34;
}
[data-theme="dark"] .cl-open-btn i {
  color: #000000 !important;
}

/* ── Lightbox Mobile Optimization ── */
@media (max-width: 768px) {
  .cert-lightbox {
    padding: 1rem 0.75rem;
  }
  .cl-prev-btn { left: 8px; }
  .cl-next-btn { right: 8px; }
  .cl-nav-btn {
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
    background: rgba(20,20,30,0.88);
  }
  .cl-image {
    max-height: 56vh;
  }
  .cl-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
  .cl-open-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ── Accessibility: Prefers Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .cert-card-gallery,
  .cert-card-gallery:hover,
  .cert-thumb-img,
  .cert-card-gallery:hover .cert-thumb-img,
  .cert-hover-overlay,
  .cert-zoom-icon,
  .cert-card-gallery:hover .cert-zoom-icon,
  .cert-load-more-btn,
  .cl-container,
  .cl-image,
  .cl-close-btn,
  .cl-nav-btn,
  .cl-open-btn {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
}