/* ============================================================
   CERTIFICATES — Complete Stylesheet
   Section + Modal + Lightbox + Image Zoom
   Single File: certificates.css
   v3.0 — Fully adaptive content, no text truncation
   ============================================================ */


/* ============================================================
   PART 1: CERTIFICATE SECTION
   ============================================================ */

.section-certificates {
  position: relative;
  overflow: hidden;
}

.section-certificates::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../../assets/background/certificates-bg.webp.webp');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  filter: brightness(0.65) saturate(1.1);
  z-index: 0;
  border-radius: 40px 40px 0 0;
}

.certificates-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(212, 175, 55, 0.3) 20%,
    rgba(212, 175, 55, 0.5) 50%,
    rgba(212, 175, 55, 0.3) 80%,
    transparent 100%
  );
  z-index: 3;
}

.certificates-content {
  position: relative;
  z-index: 2;
}

.certificates-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  text-align: center;
  text-shadow: 0 0 30px var(--glow-gold);
}

.certificates-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 1rem;
}

.certificates-gallery {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-lg);
}

.certificate-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
  background: rgba(16, 16, 16, 0.5);
  backdrop-filter: blur(5px);
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-out);
}

.certificate-item:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 30px var(--glow-gold);
  transform: scale(1.05) translateY(-10px);
}

.certificate-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--easing-out);
}

.certificate-item:hover .certificate-image img {
  transform: scale(1.1);
}

.certificate-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 50%, rgba(10, 10, 10, 0.9) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-out);
}

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

.certificate-overlay p {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
  transform: translateY(10px);
  transition: transform var(--duration-normal) var(--easing-out);
}

.certificate-item:hover .certificate-overlay p {
  transform: translateY(0);
}

/* ── Rounded Certificate Frames ── */
[class*="certificate-item"],
[class*="certificate-card"] {
  border-radius: 24px !important;
  overflow: hidden;
  aspect-ratio: 8.5 / 11;
  height: auto !important;
  border: 1px solid rgba(212, 175, 55, 0.3) !important;
  box-shadow:
    0 0 0 1px rgba(212, 175, 55, 0.15),
    0 8px 32px rgba(0, 0, 0, 0.4) !important;
}

[class*="certificate-item"] img,
[class*="certificate-card"] img {
  border-radius: inherit !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
}

.certificate-overlay {
  border-radius: inherit;
}


/* ============================================================
   SECTION RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
  .certificates-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .certificates-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .certificates-gallery {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin: 0 auto;
  }
}


/* ============================================================
   SECTION SCROLL ANIMATIONS
   ============================================================ */

.section-certificates {
  transition: opacity 0.5s ease;
}

.section-certificates::before {
  opacity: 0;
  transition: opacity 1.2s ease 0.1s;
}

.section-certificates.is-visible::before {
  opacity: 1;
}

.section-certificates.is-visible .certificates-title {
  animation: certTitleGlow 3s ease-in-out infinite;
  animation-delay: 1s;
}

@keyframes certTitleGlow {
  0%, 100% {
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
  }
  50% {
    text-shadow:
      0 0 60px rgba(212, 175, 55, 0.7),
      0 0 100px rgba(212, 175, 55, 0.2);
  }
}

.certificate-item {
  will-change: transform, opacity;
  position: relative;
}

.certificate-item.cert-entered {
  transition:
    opacity var(--duration-slow) cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform var(--duration-normal) var(--easing-out),
    border-color var(--duration-normal) var(--easing-out),
    box-shadow var(--duration-normal) var(--easing-out) !important;
}

.certificate-item.cert-entered:hover {
  border-color: var(--color-gold);
  box-shadow:
    0 0 30px var(--glow-gold),
    0 0 0 1px rgba(212, 175, 55, 0.4);
  transform: scale(1.05) translateY(-10px) !important;
}

.certificates-gallery {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.2s, transform 0.5s ease 0.2s;
}

.section-certificates.is-visible .certificates-gallery {
  opacity: 1;
  transform: translateY(0);
}

.section-certificates.section-exit .certificates-title,
.section-certificates.section-exit .certificates-subtitle {
  opacity: 0.4;
  transition: opacity 0.5s ease;
}

.section-certificates.section-exit .certificate-item.cert-entered {
  opacity: 0.5;
  transition: opacity 0.5s ease;
}


/* ============================================================
   PART 2: CERTIFICATE DETAIL MODAL
   ============================================================ */

/* ── Modal Overlay ── */
.cert-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-out);
  justify-content: center;
  align-items: center;
  padding: clamp(8px, 2vw, 30px);
  box-sizing: border-box;
}

.cert-modal-overlay.active {
  display: flex;
  opacity: 1;
}

/* ── Modal Container ── 
   KEY FIX: Let the body scroll naturally instead of 
   trying to fit everything in a fixed height.
   On desktop: content fits, no scroll needed.
   On mobile: body scrolls smoothly to show all content.
   ──────────────────────────────────────────── */
.cert-modal {
  background: var(--color-bg-dark);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: min(1000px, 95vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.9) translateY(30px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow var(--duration-normal) var(--easing-out);
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.6),
    0 0 60px var(--glow-gold),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gold-dark);
  position: relative;
}

.cert-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-teal), var(--color-gold), transparent);
  opacity: 0.8;
  z-index: 1;
}

.cert-modal-overlay.active .cert-modal {
  transform: scale(1) translateY(0);
}

/* ── Modal Header ── */
.cert-modal-header {
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-elevated) 100%);
  color: var(--color-text-primary);
  padding: clamp(0.5rem, 1.5vw, 1rem) clamp(0.8rem, 2vw, 1.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-gold-dark);
  position: relative;
  flex-shrink: 0;
}

.cert-modal-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
  opacity: 0.6;
}

.cert-modal-header h2 {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 2vw, 1.25rem);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: 0 0 20px var(--glow-gold);
  margin: 0;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-modal-header h2 i {
  color: var(--color-teal);
  filter: drop-shadow(0 0 8px var(--glow-teal));
  font-size: 1rem;
  flex-shrink: 0;
}

.cert-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gold-dark);
  color: var(--color-text-primary);
  font-size: clamp(1rem, 2vw, 1.3rem);
  width: clamp(30px, 5vw, 38px);
  height: clamp(30px, 5vw, 38px);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-out);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex-shrink: 0;
}

.cert-close-btn:hover {
  background: rgba(255, 82, 82, 0.15);
  border-color: var(--color-error);
  transform: rotate(90deg);
  box-shadow:
    0 0 20px rgba(255, 82, 82, 0.3),
    inset 0 0 15px rgba(255, 82, 82, 0.1);
  color: var(--color-error);
}

/* ── Modal Body ── 
   KEY FIX: This is the scrollable container.
   All content flows naturally inside it.
   On desktop: minimal/no scroll.
   On mobile: smooth scroll shows full content.
   ──────────────────────────────────────────── */
.cert-modal-body {
  padding: clamp(0.6rem, 2vw, 1.5rem);
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--color-bg-dark);
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gold-dark) transparent;
  /* Ensure content can grow naturally */
  min-height: 0;
}

.cert-modal-body::-webkit-scrollbar {
  width: 4px;
}

.cert-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.cert-modal-body::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: var(--radius-full);
}

.cert-modal-body:hover::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-gold-dark) 0%, var(--color-bg-elevated) 100%);
}

.cert-modal-body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  box-shadow: 0 0 10px var(--glow-gold);
}

/* ── Gallery View ── */
.cert-gallery-view {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.cert-gallery-view.hidden {
  display: none;
}

.cert-card {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-out);
  border: 1px solid transparent;
  position: relative;
  opacity: 0;
  animation: certFadeInCard var(--duration-slow) var(--easing-out) forwards;
}

.cert-card:nth-child(1) { animation-delay: 0.05s; }
.cert-card:nth-child(2) { animation-delay: 0.1s; }
.cert-card:nth-child(3) { animation-delay: 0.15s; }
.cert-card:nth-child(4) { animation-delay: 0.2s; }
.cert-card:nth-child(5) { animation-delay: 0.25s; }

@keyframes certFadeInCard {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--color-gold-dark), var(--color-teal), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-out);
  pointer-events: none;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 30px var(--glow-gold);
  border-color: var(--color-teal);
  background: rgba(0, 217, 255, 0.05);
}

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

.cert-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
  transition: all 0.4s var(--easing-out);
  filter: brightness(0.9);
}

.cert-card:hover img {
  filter: brightness(1.05);
  transform: scale(1.05);
}

.cert-card-info {
  padding: 0.6rem 0.8rem;
  text-align: center;
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cert-card-info h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.2rem 0;
  transition: color var(--duration-normal) var(--easing-out);
  line-height: 1.3;
}

.cert-card:hover .cert-card-info h4 {
  color: var(--color-teal);
  text-shadow: 0 0 15px var(--glow-teal);
}

.cert-card-info p {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
}

.cert-card.featured::after {
  content: '★';
  position: absolute;
  top: 8px;
  right: 8px;
  color: var(--color-gold);
  font-size: 1.1rem;
  text-shadow: 0 0 15px var(--color-gold);
  z-index: 2;
}

.cert-card.featured { border-color: var(--color-gold); }

.cert-card.featured:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 30px var(--glow-gold);
}


/* ============================================================
   DETAIL VIEW — Content flows naturally, scrollable on mobile
   KEY CHANGE: Removed fixed heights and line-clamp.
   Content wraps and the modal body scrolls as needed.
   ============================================================ */

.cert-detail-view {
  display: none;
}

.cert-detail-view.active {
  display: block;
  animation: certFadeInUp 0.4s var(--easing-out);
}

@keyframes certFadeInUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Detail Container ──
   Desktop: 2 columns side by side
   Mobile: stacks to 1 column, content scrolls naturally
   ──────────────────────────────────────────── */
.cert-detail-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.8rem, 2vw, 1.5rem);
  align-items: start;
}


/* ============================================================
   DETAIL IMAGE — With Zoom Controls
   ============================================================ */

.cert-detail-image-container {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: clamp(0.5rem, 1.5vw, 1rem);
  text-align: center;
  border: 1px solid var(--color-gold-dark);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cert-detail-image-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--glow-teal) 0%, transparent 70%);
  opacity: 0.15;
  pointer-events: none;
}

/* ── Image Viewport ── */
.cert-image-viewport {
  position: relative;
  width: 100%;
  max-height: clamp(200px, 45vh, 400px);
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: zoom-in;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.cert-image-viewport:active {
  cursor: grabbing;
}

.cert-image-viewport.zoomed {
  cursor: grab;
  overflow: auto;
  scrollbar-width: none;
}

.cert-image-viewport.zoomed:active {
  cursor: grabbing;
}

.cert-image-viewport.zoomed::-webkit-scrollbar {
  display: none;
}

/* ── Detail Image ── */
.cert-detail-image {
  width: 100%;
  height: 100%;
  max-height: clamp(200px, 45vh, 400px);
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow:
    0 8px 25px rgba(0, 0, 0, 0.4),
    0 0 20px var(--glow-gold);
  position: relative;
  z-index: var(--z-base);
  transition: transform 0.3s var(--easing-out),
              box-shadow var(--duration-normal) var(--easing-out);
  transform-origin: center center;
  display: block;
}

.cert-image-viewport.zoomed .cert-detail-image {
  cursor: grab;
  max-height: none;
  width: auto;
  height: auto;
  transform-origin: 0 0;
}

.cert-image-viewport.zoomed .cert-detail-image:active {
  cursor: grabbing;
}

/* ── Zoom Controls ── */
.cert-zoom-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.3rem, 1vw, 0.6rem);
  margin-top: clamp(0.3rem, 1vw, 0.5rem);
  position: relative;
  z-index: var(--z-base);
  flex-wrap: wrap;
}

.cert-zoom-btn {
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-elevated) 100%);
  border: 1px solid var(--color-gold-dark);
  color: var(--color-text-primary);
  width: clamp(28px, 4vw, 34px);
  height: clamp(28px, 4vw, 34px);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: clamp(0.65rem, 1.2vw, 0.8rem);
  transition: all var(--duration-normal) var(--easing-out);
  flex-shrink: 0;
}

.cert-zoom-btn:hover:not(:disabled) {
  border-color: var(--color-teal);
  color: var(--color-teal);
  box-shadow: 0 0 15px var(--glow-teal);
  transform: translateY(-1px);
}

.cert-zoom-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.cert-zoom-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.cert-zoom-btn.active {
  background: rgba(0, 217, 255, 0.15);
  border-color: var(--color-teal);
  color: var(--color-teal);
  box-shadow: 0 0 10px var(--glow-teal);
}

.cert-zoom-level {
  font-family: var(--font-primary);
  font-size: clamp(0.6rem, 1vw, 0.72rem);
  color: var(--color-text-muted);
  min-width: 38px;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.5px;
  user-select: none;
}

.cert-zoom-slider {
  -webkit-appearance: none;
  appearance: none;
  width: clamp(50px, 10vw, 80px);
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-teal));
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity var(--duration-normal);
}

.cert-zoom-slider:hover { opacity: 1; }

.cert-zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  cursor: pointer;
  border: 2px solid var(--color-bg-dark);
  box-shadow: 0 0 8px var(--glow-teal);
  transition: transform var(--duration-fast);
}

.cert-zoom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.cert-zoom-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  cursor: pointer;
  border: 2px solid var(--color-bg-dark);
  box-shadow: 0 0 8px var(--glow-teal);
}

/* ── Zoom Hint ── */
.cert-image-zoom-hint {
  margin-top: clamp(0.2rem, 0.5vw, 0.4rem);
  font-family: var(--font-primary);
  font-size: clamp(0.55rem, 0.9vw, 0.65rem);
  color: var(--color-text-muted);
  position: relative;
  z-index: var(--z-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  opacity: 0.7;
}

.cert-image-zoom-hint i {
  color: var(--color-gold-dark);
  font-size: 0.7rem;
}

/* ── Zoom Toast ── */
.cert-zoom-toast {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gold-dark);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cert-zoom-toast.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}


/* ============================================================
   DETAIL INFO — Full content, no truncation
   KEY CHANGE: Removed line-clamp entirely.
   Description shows in full on all devices.
   ============================================================ */

.cert-detail-info {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.5rem, 1.5vw, 0.8rem);
}

.cert-detail-info h3 {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
  position: relative;
  padding-bottom: clamp(0.4rem, 1vw, 0.7rem);
  text-shadow: 0 0 20px var(--glow-gold);
  line-height: 1.3;
  /* Allow wrapping on small screens */
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.cert-detail-info h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-gold-dark), transparent);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--glow-teal);
}

/* ── Detail Meta ── */
.cert-detail-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cert-detail-meta-item {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1vw, 0.7rem);
  padding: clamp(0.35rem, 0.8vw, 0.55rem) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--duration-normal) var(--easing-out);
}

.cert-detail-meta-item:hover {
  background: rgba(0, 217, 255, 0.05);
  margin: 0 -0.4rem;
  padding-left: 0.4rem;
  padding-right: 0.4rem;
  border-radius: var(--radius-sm);
}

.cert-detail-meta-item:last-child {
  border-bottom: none;
}

.cert-meta-icon {
  width: clamp(28px, 4vw, 34px);
  height: clamp(28px, 4vw, 34px);
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-elevated) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  font-size: clamp(0.7rem, 1.5vw, 0.85rem);
  flex-shrink: 0;
  border: 1px solid var(--color-gold-dark);
  box-shadow: 0 0 10px var(--glow-gold);
}

.cert-meta-content {
  flex: 1;
  min-width: 0;
}

.cert-meta-content label {
  font-family: var(--font-primary);
  font-size: clamp(0.55rem, 1vw, 0.65rem);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 0.1rem;
}

.cert-meta-content span {
  font-family: var(--font-primary);
  font-size: clamp(0.78rem, 1.5vw, 0.95rem);
  color: var(--color-text-primary);
  font-weight: 600;
  display: block;
  /* Allow wrapping instead of truncating */
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
}

/* ── Detail Description ── 
   KEY FIX: No line-clamp. Full text always visible.
   Modal body scrolls to accommodate.
   ──────────────────────────────────────────── */
.cert-detail-description {
  background: rgba(255, 255, 255, 0.03);
  padding: clamp(0.6rem, 1.5vw, 0.9rem) clamp(0.7rem, 1.5vw, 1rem);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-teal);
  position: relative;
  overflow: visible;
}

.cert-detail-description h4 {
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.5vw, 0.85rem);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: 0.3px;
}

.cert-detail-description h4 i {
  color: var(--color-teal);
  font-size: 0.75rem;
}

.cert-detail-description p {
  font-family: var(--font-primary);
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: clamp(0.75rem, 1.3vw, 0.88rem);
  margin: 0;
  /* NO line-clamp — full text always shown */
  word-wrap: break-word;
  overflow-wrap: break-word;
}


/* ============================================================
   NAVIGATION ARROWS
   ============================================================ */

.cert-nav-arrows {
  display: flex;
  gap: clamp(0.4rem, 1vw, 0.7rem);
  flex-shrink: 0;
  padding-top: clamp(0.3rem, 1vw, 0.5rem);
}

.cert-nav-arrow {
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-elevated) 100%);
  color: var(--color-text-primary);
  border: 1px solid var(--color-gold-dark);
  padding: clamp(0.4rem, 1vw, 0.6rem) clamp(0.6rem, 1.5vw, 1rem);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: clamp(0.7rem, 1.3vw, 0.8rem);
  font-weight: 600;
  transition: all var(--duration-normal) var(--easing-out);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.cert-nav-arrow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  transition: left var(--duration-slow) var(--easing-out);
}

.cert-nav-arrow:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 4px 15px var(--glow-teal),
    0 0 20px var(--glow-teal),
    inset 0 0 10px rgba(0, 217, 255, 0.05);
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.cert-nav-arrow:hover:not(:disabled)::before {
  left: 100%;
}

.cert-nav-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--color-text-muted);
}


/* ============================================================
   LIGHTBOX
   ============================================================ */

.cert-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20000;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-out);
}

.cert-lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.cert-lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  cursor: pointer;
}

.cert-lightbox-content {
  position: relative;
  z-index: var(--z-base);
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(30px, 5vw, 50px) clamp(20px, 5vw, 60px);
  box-sizing: border-box;
}

.cert-lightbox-close {
  position: absolute;
  top: clamp(10px, 2vw, 20px);
  right: clamp(10px, 2vw, 20px);
  width: clamp(35px, 5vw, 45px);
  height: clamp(35px, 5vw, 45px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: clamp(1rem, 2vw, 1.3rem);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--easing-out);
  z-index: 10;
}

.cert-lightbox-close:hover {
  background: rgba(255, 82, 82, 0.15);
  border-color: var(--color-error);
  color: var(--color-error);
  transform: rotate(90deg);
  box-shadow:
    0 0 25px rgba(255, 82, 82, 0.3),
    inset 0 0 15px rgba(255, 82, 82, 0.1);
}

.cert-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(35px, 5vw, 50px);
  height: clamp(35px, 5vw, 50px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--easing-out);
  z-index: 10;
}

.cert-lightbox-prev { left: clamp(8px, 2vw, 20px); }
.cert-lightbox-next { right: clamp(8px, 2vw, 20px); }

.cert-lightbox-nav:hover:not(:disabled) {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--color-teal);
  color: var(--color-teal);
  box-shadow: 0 0 25px var(--glow-teal), inset 0 0 15px rgba(0, 217, 255, 0.05);
}

.cert-lightbox-nav:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.cert-lightbox-image-wrapper {
  position: relative;
  max-width: min(85%, 900px);
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-lightbox-image {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px var(--glow-gold);
  transition: transform var(--duration-normal) var(--easing-out),
              opacity var(--duration-normal) var(--easing-out);
}

.cert-lightbox.loading .cert-lightbox-image { opacity: 0.3; }

.cert-lightbox-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  color: var(--color-teal);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-out);
  pointer-events: none;
}

.cert-lightbox.loading .cert-lightbox-loader { opacity: 1; }

.cert-lightbox-caption {
  position: absolute;
  bottom: clamp(50px, 8vh, 70px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
  max-width: 80%;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-lightbox-counter {
  position: absolute;
  bottom: clamp(15px, 3vh, 25px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: rgba(0, 0, 0, 0.5);
  padding: 3px 10px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.cert-lightbox-hint {
  position: absolute;
  top: clamp(10px, 2vw, 20px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.6;
  transition: opacity var(--duration-normal) var(--easing-out);
  white-space: nowrap;
}

.cert-lightbox-hint kbd {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-sm);
  padding: 1px 4px;
  font-family: var(--font-primary);
  font-size: 0.7rem;
  color: var(--color-teal);
}

.cert-lightbox.active .cert-lightbox-hint {
  animation: fadeOutHint 5s ease forwards;
}

@keyframes fadeOutHint {
  0%, 70% { opacity: 0.6; }
  100% { opacity: 0; }
}


/* ============================================================
   RESPONSIVE — Modal + Lightbox + Zoom
   KEY CHANGE: No line-clamp at any breakpoint.
   Content is always fully visible. Modal body scrolls.
   ============================================================ */

/* ── Large Tablets ≤ 1024px ── */
@media (max-width: 1024px) {
  .cert-modal {
    max-width: 92vw;
    max-height: 90vh;
  }

  .cert-detail-container {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .cert-image-viewport {
    max-height: clamp(160px, 32vh, 300px);
  }

  .cert-detail-image {
    max-height: clamp(160px, 32vh, 300px);
  }

  .cert-lightbox-image-wrapper {
    max-width: 90%;
    max-height: 80vh;
  }

  .cert-lightbox-image {
    max-height: 80vh;
  }
}

/* ── Tablets / Landscape Phones ≤ 768px ── */
@media (max-width: 768px) {
  .cert-modal {
    max-width: 95vw;
    max-height: 92vh;
    border-radius: var(--radius-lg);
  }

  .cert-modal-header {
    padding: 0.5rem 0.8rem;
  }

  .cert-modal-body {
    padding: 0.7rem;
  }

  /* Stack to single column — content scrolls */
  .cert-detail-container {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .cert-detail-image-container {
    padding: 0.5rem;
  }

  .cert-image-viewport {
    max-height: clamp(140px, 28vh, 220px);
  }

  .cert-detail-image {
    max-height: clamp(140px, 28vh, 220px);
  }

  .cert-image-zoom-hint {
    margin-top: 0.15rem;
    font-size: 0.55rem;
  }

  /* Zoom controls compact */
  .cert-zoom-controls {
    gap: 0.25rem;
    margin-top: 0.2rem;
  }

  .cert-zoom-btn {
    width: 26px;
    height: 26px;
    font-size: 0.6rem;
  }

  .cert-zoom-level {
    font-size: 0.58rem;
    min-width: 32px;
  }

  .cert-zoom-slider {
    width: clamp(40px, 8vw, 60px);
    height: 2px;
  }

  .cert-zoom-slider::-webkit-slider-thumb {
    width: 12px;
    height: 12px;
  }

  .cert-zoom-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
  }

  /* Info — readable sizes */
  .cert-detail-info h3 {
    font-size: clamp(0.95rem, 3vw, 1.15rem);
    padding-bottom: 0.4rem;
  }

  .cert-detail-meta-item {
    padding: 0.35rem 0;
  }

  .cert-meta-icon {
    width: 26px;
    height: 26px;
    font-size: 0.65rem;
  }

  .cert-meta-content label {
    font-size: 0.55rem;
  }

  .cert-meta-content span {
    font-size: 0.8rem;
  }

  .cert-detail-description {
    padding: 0.5rem 0.7rem;
  }

  .cert-detail-description h4 {
    font-size: 0.72rem;
    margin-bottom: 0.2rem;
  }

  /* Description fully visible — no truncation */
  .cert-detail-description p {
    font-size: 0.75rem;
    line-height: 1.55;
  }

  .cert-nav-arrows {
    gap: 0.4rem;
    padding-top: 0.3rem;
  }

  .cert-nav-arrow {
    padding: 0.35rem 0.6rem;
    font-size: 0.7rem;
  }

  /* Gallery */
  .cert-gallery-view {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }

  .cert-card img { height: 100px; }
  .cert-card-info { padding: 0.5rem 0.6rem; }

  /* Lightbox */
  .cert-lightbox-content { padding: 25px 15px; }

  .cert-lightbox-image-wrapper {
    max-width: 95%;
    max-height: 85vh;
  }

  .cert-lightbox-image { max-height: 80vh; }

  .cert-lightbox-caption {
    font-size: 0.8rem;
    bottom: 55px;
    max-width: 90%;
  }
}

/* ── Small Phones ≤ 480px ── */
@media (max-width: 480px) {
  .cert-modal-overlay {
    padding: 4px;
  }

  .cert-modal {
    max-width: 100vw;
    max-height: 95vh;
    border-radius: var(--radius-md);
  }

  .cert-modal-header {
    padding: 0.45rem 0.7rem;
  }

  .cert-modal-header h2 {
    font-size: 0.82rem;
    gap: 0.3rem;
  }

  .cert-modal-header h2 i {
    font-size: 0.82rem;
  }

  .cert-modal-body {
    padding: 0.5rem;
  }

  .cert-detail-container {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .cert-detail-image-container {
    padding: 0.4rem;
  }

  .cert-image-viewport {
    max-height: clamp(110px, 22vh, 170px);
  }

  .cert-detail-image {
    max-height: clamp(110px, 22vh, 170px);
  }

  /* Hide zoom hint on small phones — save space */
  .cert-image-zoom-hint {
    display: none;
  }

  /* Zoom controls minimal */
  .cert-zoom-controls {
    gap: 0.2rem;
    margin-top: 0.15rem;
  }

  .cert-zoom-btn {
    width: 24px;
    height: 24px;
    font-size: 0.55rem;
  }

  .cert-zoom-level {
    font-size: 0.55rem;
    min-width: 28px;
  }

  .cert-zoom-slider { width: 40px; }

  .cert-zoom-toast {
    font-size: 0.9rem;
    padding: 5px 10px;
  }

  /* Info — full content, scrollable */
  .cert-detail-info h3 {
    font-size: 0.95rem;
    padding-bottom: 0.3rem;
  }

  .cert-detail-info h3::after {
    width: 40px;
  }

  .cert-detail-meta-item {
    padding: 0.3rem 0;
    gap: 0.35rem;
  }

  .cert-meta-icon {
    width: 24px;
    height: 24px;
    font-size: 0.6rem;
    border-radius: var(--radius-sm);
  }

  .cert-meta-content label {
    font-size: 0.5rem;
    letter-spacing: 0.5px;
  }

  .cert-meta-content span {
    font-size: 0.75rem;
  }

  .cert-detail-description {
    padding: 0.45rem 0.6rem;
    border-left-width: 2px;
  }

  .cert-detail-description h4 {
    font-size: 0.65rem;
    margin-bottom: 0.15rem;
  }

  /* Full description text — scroll handles overflow */
  .cert-detail-description p {
    font-size: 0.7rem;
    line-height: 1.5;
  }

  .cert-nav-arrows {
    flex-direction: row;
    gap: 0.3rem;
    padding-top: 0.2rem;
  }

  .cert-nav-arrow {
    padding: 0.3rem 0.5rem;
    font-size: 0.65rem;
    gap: 0.2rem;
  }

  /* Gallery */
  .cert-gallery-view {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .cert-card img { height: 100px; }

  /* Lightbox */
  .cert-lightbox-content { padding: 15px 8px; }
  .cert-lightbox-image-wrapper { max-width: 98%; }

  .cert-lightbox-nav {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

  .cert-lightbox-caption {
    font-size: 0.7rem;
    bottom: 45px;
    padding: 4px 8px;
  }

  .cert-lightbox-counter {
    font-size: 0.65rem;
    bottom: 15px;
  }

  .cert-lightbox-hint { display: none; }
}

/* ── Very Small Phones ≤ 360px ── */
@media (max-width: 360px) {
  .cert-modal {
    max-height: 97vh;
    border-radius: var(--radius-sm);
  }

  .cert-modal-header {
    padding: 0.35rem 0.5rem;
  }

  .cert-modal-header h2 {
    font-size: 0.72rem;
  }

  .cert-modal-body {
    padding: 0.35rem;
  }

  .cert-image-viewport {
    max-height: clamp(80px, 18vh, 130px);
  }

  .cert-detail-image {
    max-height: clamp(80px, 18vh, 130px);
  }

  .cert-zoom-slider { display: none; }

  .cert-zoom-level {
    min-width: 24px;
    font-size: 0.5rem;
  }

  .cert-zoom-btn {
    width: 22px;
    height: 22px;
    font-size: 0.5rem;
  }

  .cert-detail-info h3 {
    font-size: 0.85rem;
  }

  .cert-detail-description p {
    font-size: 0.65rem;
    line-height: 1.45;
  }

  .cert-meta-content span {
    font-size: 0.7rem;
  }

  .cert-nav-arrow {
    padding: 0.25rem 0.4rem;
    font-size: 0.6rem;
  }
}

/* ── Short Viewport ≤ 600px height ── */
@media (max-height: 600px) {
  .cert-modal {
    max-height: 95vh;
  }

  .cert-modal-header {
    padding: 0.4rem 0.7rem;
  }

  .cert-modal-body {
    padding: 0.5rem;
  }

  /* Side-by-side on landscape */
  .cert-detail-container {
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }

  .cert-image-viewport {
    max-height: clamp(100px, 30vh, 200px);
  }

  .cert-detail-image {
    max-height: clamp(100px, 30vh, 200px);
  }

  .cert-detail-description p {
    font-size: 0.72rem;
    line-height: 1.45;
  }

  .cert-nav-arrow {
    padding: 0.25rem 0.5rem;
    font-size: 0.65rem;
  }

  .cert-zoom-controls {
    margin-top: 0.15rem;
  }
}

/* ── Landscape Phones ≤ 500px height ── */
@media (max-height: 500px) and (orientation: landscape) {
  .cert-modal {
    max-height: 97vh;
  }

  .cert-modal-header {
    padding: 0.3rem 0.6rem;
  }

  .cert-modal-header h2 {
    font-size: 0.78rem;
  }

  .cert-modal-body {
    padding: 0.4rem;
  }

  .cert-detail-container {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .cert-image-viewport {
    max-height: 28vh;
  }

  .cert-detail-image {
    max-height: 28vh;
  }

  .cert-image-zoom-hint { display: none; }

  .cert-zoom-controls {
    margin-top: 0.1rem;
    gap: 0.15rem;
  }

  .cert-zoom-btn {
    width: 22px;
    height: 22px;
    font-size: 0.5rem;
  }

  .cert-zoom-slider { width: 35px; }

  .cert-zoom-level {
    font-size: 0.5rem;
    min-width: 22px;
  }

  .cert-detail-info h3 {
    font-size: 0.82rem;
    padding-bottom: 0.2rem;
  }

  .cert-detail-meta-item {
    padding: 0.2rem 0;
  }

  .cert-detail-description {
    padding: 0.3rem 0.5rem;
  }

  .cert-detail-description p {
    font-size: 0.65rem;
    line-height: 1.4;
  }

  .cert-nav-arrow {
    padding: 0.2rem 0.4rem;
    font-size: 0.6rem;
  }

  .cert-zoom-toast {
    font-size: 0.8rem;
    padding: 4px 8px;
  }
}


/* ============================================================
   ACCESSIBILITY — FOCUS STATES
   ============================================================ */

.cert-close-btn:focus-visible,
.cert-back-btn:focus-visible,
.cert-nav-arrow:focus-visible,
.cert-card:focus-visible,
.cert-zoom-btn:focus-visible,
.cert-zoom-slider:focus-visible,
.certificate-item:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}


/* ============================================================
   REDUCED MOTION
@media (prefers-reduced-motion: reduce) {
  /* Section */
  .section-certificates::before,
  .certificates-gallery,
  .certificates-title,
  .certificates-subtitle,
  .certificate-item {
    transition: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  /* Modal + Lightbox */
  .cert-modal-overlay,
  .cert-modal,
  .cert-card,
  .cert-detail-view,
  .cert-nav-arrow,
  .cert-back-btn,
  .cert-close-btn,
  .cert-lightbox {
    transition: none !important;
    animation: none !important;
  }

  .cert-card {
    opacity: 1;
  }

  /* Zoom */
  .cert-detail-image {
    transition: none !important;
  }

  .cert-zoom-toast {
    transition: none !important;
  }

  .cert-zoom-btn {
    transition: none !important;
  }

  .cert-zoom-slider {
    transition: none !important;
  }

  .cert-image-viewport {
    scroll-behavior: auto !important;
  }