/* Effets visuels pour les cartes et timeline de la page stages */

/* Animation d'apparition */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Animation de bordure */
@keyframes borderPulse {
    0% {
        border-color: rgba(52, 152, 219, 0.3);
    }
    50% {
        border-color: rgba(52, 152, 219, 0.8);
    }
    100% {
        border-color: rgba(52, 152, 219, 0.3);
    }
}

/* Animation d'icône */
@keyframes iconFloat {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Effet de surbrillance */
@keyframes highlightGlow {
    0% {
        box-shadow: 0 5px 15px rgba(52, 152, 219, 0.1);
    }
    50% {
        box-shadow: 0 5px 25px rgba(52, 152, 219, 0.3);
    }
    100% {
        box-shadow: 0 5px 15px rgba(52, 152, 219, 0.1);
    }
}

/* Effet de vague au clic */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(10);
        opacity: 0;
    }
}

/* Améliorations pour les cartes */
.card {
    position: relative;
    animation: fadeInScale 0.6s ease-out forwards;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid transparent;
    overflow: hidden;
}

/* Échelonner l'animation */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

/* Effet au survol */
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(52, 152, 219, 0.2);
    border-color: rgba(52, 152, 219, 0.3);
    animation: highlightGlow 2s infinite;
}

/* Effet pour les titres de carte */
.card .card-title {
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

.card:hover .card-title {
    transform: translateX(5px);
}

/* Effet pour les icônes dans les titres */
.card .card-title i {
    transition: all 0.3s ease;
}

.card:hover .card-title i {
    animation: iconFloat 2s ease infinite;
    color: #3498db;
}

/* Ligne décorative qui apparaît au survol */
.card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transition: width 0.4s ease;
}

.card:hover::after {
    width: 100%;
}

/* Améliorations pour la timeline */
.timeline-item {
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: scale(1.02);
}

.timeline-content {
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.timeline-content:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Ligne d'accent qui apparaît au survol */
.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(180deg, rgba(52, 152, 219, 0.1), transparent);
    transition: width 0.4s ease;
    z-index: -1;
}

.timeline-content:hover::before {
    width: 100%;
}

/* Animation pour la date */
.timeline-date {
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-date {
    transform: translateX(-5px);
    font-weight: 700;
    color: #3498db;
}

/* Améliorations pour les boutons */
.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-animated:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2) !important;
}

.btn-animated::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-animated:active::after {
    animation: ripple 0.6s ease-out;
}

/* Amélioration des badges de compétences */
.skill-item {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Effet de brillance qui traverse le badge */
.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.skill-item:hover::before {
    left: 100%;
}