/**
 * ============================================
 * SECTION: CERTIFICATES
 * Certifications gallery with modal viewer
 * ============================================
 */

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

/* Background */
.section-certificates::before {
  content: '';
  position: absolute;
  inset: 0;

  /* Your existing background */
  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;

  /* ✅ ADD THIS */
  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 */
.certificates-content {
  position: relative;
  z-index: 2;
}

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

/* Certificate Item */
.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 */
.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 */
.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);
}

/* Frame look override */
[class*="certificate"] {
  border-radius: 0 !important;
}

[class*="certificate-item"],
[class*="certificate-card"] {
  border-radius: 0 !important;
  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: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
}

/* ✅ 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;
}

/* ============================================================
   CERTIFICATE MODAL STYLES
   ============================================================ */

.modal-certificate-view {
  max-width:  95vw;
  max-height: 95vh;
  width:      auto;
  height:     auto;
  background:    transparent;
  border:        none;
  border-radius: 0;
  padding:       0;
  overflow:      visible;
}

.modal-certificate-view.active {
  display:         flex;
  align-items:     center;
  justify-content: center;
}

/* Modal Content Wrapper */
.certificate-modal-content {
  position: relative;
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;

  /* Top padding keeps close button from clipping */
  padding:    40px 20px 20px;
  max-width:  90vw;
  box-sizing: border-box;
}

/* ── MODAL IMAGE ─────────────────────────────────────────────── */
.certificate-modal-content img {
  display:    block;
  width:      auto;
  height:     auto;

  /* Never wider than viewport; cap at 900px on large screens */
  max-width:  min(88vw, 900px);

  /* Leave vertical room for title + close button */
  max-height: 65vh;

  object-fit:    contain;
  border-radius: var(--radius-lg);
  transition:    transform 0.3s ease, opacity 0.2s ease;
}

/* ── CLOSE BUTTON ───────────────────────────────────────────── */
.certificate-modal-content .modal-close {
  position: absolute;
  top:   8px;
  right: 8px;

  /* Meets 44×44 tap target standard */
  width:      44px;
  height:     44px;
  min-width:  44px;
  min-height: 44px;

  background:    rgba(10, 10, 10, 0.9);
  border:        2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;

  display:         flex;
  align-items:     center;
  justify-content: center;

  font-size:   1.5rem;
  color:       var(--color-text-primary);
  cursor:      pointer;
  z-index:     200;
  line-height: 1;
  transition:  all 0.3s ease;
}

.certificate-modal-content .modal-close:hover {
  background:    var(--color-gold);
  border-color:  var(--color-gold);
  color:         var(--color-bg-dark);
  transform:     rotate(90deg) scale(1.1);
}

/* ── NAV ARROWS ─────────────────────────────────────────────── */
.certificate-nav {
  position: absolute;
  top:       50%;
  transform: translateY(-50%);

  width:      52px;
  height:     52px;
  min-width:  44px;
  min-height: 44px;

  border-radius: 999px;
  border:        1px solid rgba(212, 175, 55, 0.35);
  background:    rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);

  color:       var(--color-gold);
  font-size:   2rem;
  line-height: 1;

  display:     grid;
  place-items: center;

  cursor:  pointer;
  z-index: 120;
  opacity: 0.85;

  transition:
    transform    0.2s ease,
    background   0.2s ease,
    border-color 0.2s ease,
    opacity      0.2s ease;
}

.certificate-nav:hover {
  background:    rgba(212, 175, 55, 0.15);
  border-color:  var(--color-gold);
  transform:     translateY(-50%) scale(1.06);
  opacity: 1;
}

.certificate-nav:active {
  transform: translateY(-50%) scale(0.96);
}

/* Desktop — arrows sit outside the image frame */
.certificate-nav-prev { left:  -72px; }
.certificate-nav-next { right: -72px; }

/* ── GOLD BORDER FRAME ──────────────────────────────────────── */
.certificate-image-container {
  position: relative;
}

.certificate-image-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 3px solid transparent;
  border-image: linear-gradient(
    135deg,
    var(--color-gold) 0%,
    rgba(212, 175, 55, 0.3) 25%,
    var(--color-gold) 50%,
    rgba(212, 175, 55, 0.3) 75%,
    var(--color-gold) 100%
  ) 1;
  border-radius: var(--radius-xl);
  pointer-events: none;
  z-index: 2;
}

/* Inner Glow */
.certificate-image-container::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  box-shadow: inset 0 0 30px rgba(212, 175, 55, 0.1);
  pointer-events: none;
  z-index: 3;
  border-radius: var(--radius-xl);
}

/* ── CERTIFICATE TITLE ──────────────────────────────────────── */
.certificate-fullview-title {
  margin-top: var(--spacing-lg);
  padding:    var(--spacing-sm) var(--spacing-xl);

  font-size:       1.3rem;
  font-weight:     800;
  color:           var(--color-gold);
  text-align:      center;
  text-transform:  uppercase;
  letter-spacing:  3px;
  text-shadow:     0 0 20px var(--glow-gold);

  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(212, 175, 55, 0.1)  20%,
    rgba(212, 175, 55, 0.15) 50%,
    rgba(212, 175, 55, 0.1)  80%,
    transparent 100%
  );

  border-radius: var(--radius-full);
  position:      relative;
}

/* Decorative Lines */
.certificate-fullview-title::before,
.certificate-fullview-title::after {
  content: '';
  position: absolute;
  top:    50%;
  width:  60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.certificate-fullview-title::before { left:  -70px; }
.certificate-fullview-title::after  { right: -70px; }

/* ── MODAL BACKDROP ─────────────────────────────────────────── */
.modal-backdrop.certificate-active {
  background:      rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(15px);
}

/* ── ZOOM CONTROLS ──────────────────────────────────────────── */
.certificate-zoom-controls {
  position:  absolute;
  bottom:    -60px;
  left:      50%;
  transform: translateX(-50%);

  display: flex;
  gap:     var(--spacing-sm);

  opacity:    0;
  transition: opacity 0.3s ease;
}

.certificate-modal-content:hover .certificate-zoom-controls {
  opacity: 1;
}

.zoom-btn {
  width:  40px;
  height: 40px;

  background:    rgba(10, 10, 10, 0.8);
  border:        1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;

  display:         flex;
  align-items:     center;
  justify-content: center;

  color:      var(--color-gold);
  cursor:     pointer;
  transition: all 0.3s ease;
}

.zoom-btn:hover {
  background: var(--color-gold);
  color:      var(--color-bg-dark);
  transform:  scale(1.1);
}

.zoom-btn svg {
  width:  20px;
  height: 20px;
}

/* ── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes certificateFadeIn {
  from {
    opacity:   0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity:   1;
    transform: scale(1) translateY(0);
  }
}

.modal-certificate-view.active .certificate-modal-content {
  animation: certificateFadeIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes titleSlideIn {
  from {
    opacity:   0;
    transform: translateY(20px);
  }
  to {
    opacity:   1;
    transform: translateY(0);
  }
}

.modal-certificate-view.active .certificate-fullview-title {
  animation:       titleSlideIn 0.5s ease 0.2s forwards;
  opacity: 0;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

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

  .certificate-nav-prev { left:  -60px; }
  .certificate-nav-next { right: -60px; }
}

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

  /* Modal content */
  .certificate-modal-content {
    padding:   50px 16px 16px;
    max-width: 96vw;
  }

  /* Image */
  .certificate-modal-content img {
    max-width:  92vw;
    max-height: 58vh;
  }

  /* Arrows move INSIDE the frame */
  .certificate-nav {
    width:     44px;
    height:    44px;
    font-size: 1.6rem;
  }

  .certificate-nav-prev { left:  8px; }
  .certificate-nav-next { right: 8px; }

  /* Close button */
  .certificate-modal-content .modal-close {
    top:   8px;
    right: 8px;
    width:  40px;
    height: 40px;
  }

  /* Title */
  .certificate-fullview-title {
    font-size:      0.95rem;
    letter-spacing: 2px;
    padding:        var(--spacing-xs) var(--spacing-md);
    margin-top:     var(--spacing-md);
  }

  .certificate-fullview-title::before,
  .certificate-fullview-title::after {
    width: 28px;
  }

  .certificate-fullview-title::before { left:  -36px; }
  .certificate-fullview-title::after  { right: -36px; }
}

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

  /* Modal content */
  .certificate-modal-content {
    padding:   48px 12px 12px;
    max-width: 98vw;
  }

  /* Image */
  .certificate-modal-content img {
    max-width:  96vw;
    max-height: 55vh;
  }

  /* Close button */
  .certificate-modal-content .modal-close {
    top:   6px;
    right: 6px;
    width:  40px;
    height: 40px;
    font-size: 1.3rem;
  }

  /* Arrows hug edge */
  .certificate-nav {
    width:     40px;
    height:    40px;
    font-size: 1.4rem;
  }

  .certificate-nav-prev { left:  4px; }
  .certificate-nav-next { right: 4px; }

  /* Title */
  .certificate-fullview-title {
    font-size:      0.8rem;
    letter-spacing: 1px;
    max-width:      90vw;
  }

  /* Hide decorative lines — not enough room */
  .certificate-fullview-title::before,
  .certificate-fullview-title::after {
    display: none;
  }
}

/* ── LANDSCAPE PHONE (short + wide) ─────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .certificate-modal-content {
    flex-direction: row;          /* image + title side by side */
    align-items:    center;
    gap:            16px;
    padding:        12px 80px;   /* room for side arrows       */
  }

  .certificate-modal-content img {
    max-width:  55vw;
    max-height: 82vh;
  }

  /* Rotate title to fit vertically */
  .certificate-fullview-title {
    writing-mode:    vertical-rl;
    text-orientation: mixed;
    font-size:       0.8rem;
    letter-spacing:  2px;
    margin-top:      0;
    max-height:      70vh;
  }

  .certificate-fullview-title::before,
  .certificate-fullview-title::after {
    display: none;
  }

  .certificate-nav {
    width:     42px;
    height:    42px;
    font-size: 1.5rem;
  }

  .certificate-nav-prev { left:  12px; }
  .certificate-nav-next { right: 12px; }
}

/* ============================================================
   CERTIFICATES — SCROLL ANIMATION ADDITIONS
   ============================================================ */

/* ── SECTION BASE STATE ─────────────────────────────────────── */
.section-certificates {
  transition: opacity 0.5s ease;
}

/* ── BACKGROUND GRADIENT — fades in on enter ────────────────── */
.section-certificates::before {
  opacity:    0;
  transition: opacity 1.2s ease 0.1s;
}

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

/* ── TITLE GLOW PULSE ───────────────────────────────────────── */
.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);
  }
}

/* ── CARD BASE STATE ────────────────────────────────────────── */
.certificate-item {
  will-change: transform, opacity;
  position:    relative;
}

/* ── CARD ENTERED STATE ─────────────────────────────────────── */
.certificate-item.cert-entered {
  transition:
    opacity      0.6s 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;
}

/* ── CARD HOVER — only active after entered ─────────────────── */
.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;
}

/* ── GALLERY CONTAINER ──────────────────────────────────────── */
.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 EXIT ───────────────────────────────────────────── */
.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;
}

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