/* Container principal pour les certifications */
.certificate {
  min-height: 100vh;
  padding: 50px 20px;
  background: black;
}

/* ── Zone image : fond plein format de la carte ── */
.certif-image-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 13px;
}

.certif-image-area img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(70%) brightness(0.55);
  transition: filter 0.3s ease;
}

/* Canvas vague */
.wave-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  border-radius: 13px;
  z-index: 1;
}

/* Badge pourcentage (dans .certif-image-area) */
.certif-image-area .percentage {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  background: rgba(0, 0, 0, 0.45);
  padding: 6px 10px;
  border-radius: 999px;
  z-index: 3;
}

/* Cartes à 100% : image pleine couleur */
.certif-item[data-progress="100"] .certif-image-area img {
  filter: none;
}

/* ── Liquid glass content ── */
.certif-glass-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 14px 12px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.55) 55%,
    rgba(0, 0, 0, 0) 100%
  );
  z-index: 5;
}

.certif-glass-content .certif-title {
  position: relative;
  bottom: auto;
  left: auto;
  right: auto;
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 4px;
  padding: 0;
  border-radius: 0;
  text-align: left;
  line-height: 1.3;
  cursor: inherit;
  z-index: auto;
  transition: none;
}

.certif-glass-content .certif-date {
  position: relative;
  bottom: auto;
  left: auto;
  right: auto;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  font-weight: 400;
  margin: 0;
  padding: 0;
  border-radius: 0;
  text-align: left;
  z-index: auto;
}

/* ── Cartes désactivées ("À venir") ── */
.certif-item.not-interactive {
  pointer-events: none;
  cursor: default;
  opacity: 0.5;
}

.certif-item.not-interactive:hover {
  transform: none;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.certif-item.not-interactive .certif-image-area img {
  filter: grayscale(100%) brightness(0.35);
}

/* ── Grille ── */
.certif-grid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 250px);
  gap: 20px;
  padding: 20px;
}

.certif-grid .certif-item {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 15px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.certif-grid .certif-item:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(78, 115, 223, 0.3);
}

.certif-grid .certif-item.active {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  border-radius: 0;
  background: rgba(0, 0, 0, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: none;
  border: none;
  box-shadow: none;
}

/* ── Disposition en grille ── */
.certif-grid .certif-item:nth-of-type(1) { grid-column: 1; grid-row: 1; }
.certif-grid .certif-item:nth-of-type(2) { grid-column: 2; grid-row: 1; }
.certif-grid .certif-item:nth-of-type(3) { grid-column: 3; grid-row: 1; }
.certif-grid .certif-item:nth-of-type(4) { grid-column: 4; grid-row: 1; }
.certif-grid .certif-item:nth-of-type(6) { grid-column: 1; grid-row: 2; }
.certif-grid .certif-item:nth-of-type(7) { grid-column: 4; grid-row: 2; }
.certif-grid .certif-item:nth-of-type(8) { grid-column: 1; grid-row: 3; }
.certif-grid .certif-item:nth-of-type(9) { grid-column: 2; grid-row: 3; }
.certif-grid .certif-item:nth-of-type(10) { grid-column: 3; grid-row: 3; }
.certif-grid .certif-item:nth-of-type(11) { grid-column: 4; grid-row: 3; }

/* ── Carte héro Cisco ── */
.certif-grid .certif-item:nth-of-type(5) {
  grid-column: 2/4;
  grid-row: 2;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  cursor: default !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.certif-grid .certif-item:nth-of-type(5):hover {
  transform: none;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 5px 20px rgba(78, 115, 223, 0.2);
}

/* ── Cartes héros (Cisco + OpenClassrooms) ── */
.certif-grid .certif-item.certif-hero-card {
  background: white !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
  align-items: stretch !important;
  padding: 0 !important;
  cursor: default !important;
  overflow: hidden;
}

.certif-grid .certif-item.certif-hero-card:hover {
  transform: none !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
  box-shadow: none !important;
}

/* Section image (haut) */
.hero-top {
  flex: 1;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  min-height: 0;
  overflow: hidden;
}

.hero-top img {
  max-width: 85%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none !important;
}

/* Section titre (bas, dégradé) */
.hero-bottom {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bottom .title {
  font-size: 1.8rem;
  color: white;
  font-weight: 700;
  text-align: center;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.35);
  margin: 0;
  padding: 0;
}

/* ── État actif ── */
.certif-item.active .certif-image-area {
  border-radius: 0;
}

.certif-item.active .certif-image-area img {
  width: 300px;
  height: 300px;
  object-fit: contain;
  top: 50%;
  left: 15%;
  transform: translateY(-50%);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  filter: none;
}

.certif-item.active .wave-canvas {
  display: none;
}

.certif-item.active .certif-image-area .percentage {
  display: none;
}

/* Glass content en mode actif : transparent, couvre la carte */
.certif-item.active .certif-glass-content {
  position: absolute;
  top: 0;
  bottom: auto;
  left: 0;
  right: 0;
  height: 100%;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 0;
}

.certif-item.active .certif-glass-content .certif-title {
  position: absolute;
  top: 15%;
  right: 10%;
  left: auto;
  bottom: auto;
  font-size: 2.2rem;
  font-weight: 700;
  width: 50%;
  text-align: left;
  line-height: 1.2;
  margin: 0;
}

.certif-item.active .certif-glass-content .certif-date {
  position: absolute;
  top: 30%;
  right: 10%;
  left: auto;
  bottom: auto;
  font-size: 1.1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(28, 200, 138, 0.15);
  border: 1px solid var(--secondary-color);
  width: 50%;
  text-align: left;
  padding: 5px 12px;
  border-radius: 6px;
  margin: 0;
}

/* ── Liens vers les cours ── */
.certif-grid .certif-item .certif-link {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  bottom: -50px;
  left: 15px;
  right: 15px;
  transition: all 0.3s ease;
  z-index: 10;
}

.certif-grid .certif-item.active .certif-link {
  opacity: 1;
  visibility: visible;
  position: absolute;
  top: 60%;
  right: 10%;
  left: auto;
  bottom: auto;
  width: 50%;
  text-align: left;
}

.certif-grid .certif-item.active .certif-link a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--secondary-color), #20a085);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(28, 200, 138, 0.3);
  cursor: pointer;
  pointer-events: auto;
  z-index: 1001;
  position: relative;
}

.certif-grid .certif-item.active .certif-link a:hover {
  background: linear-gradient(135deg, #20a085, var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(28, 200, 138, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}

.certif-grid .certif-item.active .certif-link a i {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.certif-grid .certif-item.active .certif-link a:hover i {
  transform: translateX(3px);
}

/* ── Descriptions ── */
.certif-grid .certif-item .description {
  position: absolute;
  top: 47%;
  right: 10%;
  transform: translateY(-50%);
  width: 50%;
  color: white;
  font-size: 1.1rem;
  line-height: 1.6;
  font-weight: 300;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
  background: rgba(0, 0, 0, 0.4);
  padding: 25px;
  border-radius: 15px;
  border-left: 4px solid var(--primary-color);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  text-align: justify;
  z-index: 10;
}

.certif-grid .certif-item .description.active {
  opacity: 1;
  visibility: visible;
  z-index: 1000;
}

/* ── Bouton de fermeture ── */
.close {
  position: fixed;
  top: 30px;
  right: 30px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 20px;
  cursor: pointer;
  z-index: 1001;
  transition: all 0.3s ease;
  display: none;
  align-items: center;
  justify-content: center;
}

.close:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

/* ── Overlay quand une carte est active ── */
.certif-grid .certif-item:not(.active) {
  pointer-events: auto;
}

.certif-grid:has(.certif-item.active) .certif-item:not(.active) {
  pointer-events: none;
}