/* === SECTION NOTRE PARCOURS === */
.about-journey-section {
    padding: 120px 5% 100px;
    position: relative;
    background-color: var(--dark-bg);
}

.journey-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.journey-header.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.journey-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.journey-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.journey-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

/* Carte de la RDC */
.journey-map-container {
    position: relative;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 1s ease, transform 1s ease;
}

.journey-map-container.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.rdc-map {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.rdc-outline {
    fill: rgba(26, 31, 46, 0.6);
    stroke: var(--accent-cyan);
    stroke-width: 2;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 2s ease;
}

.rdc-outline.is-visible {
    stroke-dashoffset: 0;
}

.map-point {
    fill: var(--accent-cyan);
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
    cursor: pointer;
    filter: drop-shadow(0 0 5px rgba(0, 224, 255, 0.7));
}

.map-point.is-visible {
    opacity: 1;
    transform: scale(1);
}

.map-point:hover {
    fill: #ffffff;
    transform: scale(1.2);
}

.map-point.is-active {
    fill: #ffffff;
    transform: scale(1.2);
}

.kinshasa-pulse {
    fill: var(--accent-cyan);
    opacity: 0.7;
    animation: pulse-kinshasa 2s infinite;
    filter: drop-shadow(0 0 8px rgba(0, 224, 255, 0.8));
}

@keyframes pulse-kinshasa {
    0% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 0.7;
        transform: scale(1);
    }
}

.map-city-label {
    fill: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.map-city-label.is-visible {
    opacity: 1;
}

/* Zone de texte */
.journey-text-container {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.journey-text-container.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.journey-text-card {
    background: var(--glassmorphism-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glassmorphism-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.journey-text-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0.8;
}

.journey-text-header {
    margin-bottom: 20px;
}

.journey-year {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.journey-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.journey-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* === SECTION NOTRE ADN === */
.about-dna-section {
    padding: 120px 5% 100px;
    position: relative;
    background-color: var(--dark-bg);
}

.dna-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.dna-header.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.dna-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.dna-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.dna-container {
    max-width: 900px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.dna-container.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Boutons toggle */
.dna-toggle-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.dna-toggle-btn {
    padding: 12px 30px;
    border-radius: 50px;
    background: rgba(26, 31, 46, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dna-toggle-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.dna-toggle-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    box-shadow: var(--glow-shadow);
}

/* Carte de contenu avec effet 3D */
.dna-content-card {
    perspective: 1000px;
    height: 400px;
}

.dna-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.dna-card-inner.flipped {
    transform: rotateY(180deg);
}

.dna-card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background: var(--glassmorphism-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glassmorphism-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.dna-card-face::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0.8;
}

.dna-card-back {
    transform: rotateY(180deg);
}

.dna-illustration {
    height: 120px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dna-card-face h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.dna-card-face p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.dna-card-face strong {
    color: var(--accent-cyan);
}

/* Animations SVG pour Mission */
.pulse-circle {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 2;
    opacity: 0.7;
    transform-origin: center;
}

.pulse-circle:nth-child(1) {
    animation: pulse-circle 3s infinite;
}

.pulse-circle:nth-child(2) {
    animation: pulse-circle 3s infinite 1s;
}

.pulse-circle:nth-child(3) {
    animation: pulse-circle 3s infinite 2s;
}

@keyframes pulse-circle {
    0% {
        transform: scale(0.8);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.3;
    }
}

/* Animations SVG pour Vision */
.vision-path {
    stroke: var(--accent-cyan);
    stroke-width: 2;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    animation: draw-path 3s forwards;
}

.vision-node {
    fill: var(--accent-cyan);
    opacity: 0;
    animation: fade-in 0.5s forwards;
}

@keyframes draw-path {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes fade-in {
    to {
        opacity: 1;
    }
}

.vision-path:nth-child(2) {
    animation-delay: 0.5s;
}

.vision-node:nth-child(3) {
    animation-delay: 0.5s;
}

.vision-node:nth-child(4) {
    animation-delay: 1s;
}

.vision-node:nth-child(5) {
    animation-delay: 1.5s;
}

.vision-node:nth-child(6) {
    animation-delay: 2s;
}

.vision-node:nth-child(7) {
    animation-delay: 2.5s;
}

.vision-node:nth-child(8) {
    animation-delay: 3s;
}

/* === SECTION NOS PILIERS === */
.about-pillars-section {
    padding: 120px 5% 100px;
    position: relative;
    background-color: var(--dark-bg);
}

.pillars-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.pillars-header.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.pillars-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.pillars-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pillar-card {
    background: rgba(26, 31, 46, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    text-align: center;
    transition: all var(--transition-medium);
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
}

.pillar-card.is-visible {
    opacity: 1;
    transform: scale(1);
    animation: zoom-in 0.6s forwards;
}

@keyframes zoom-in {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.pillar-card:nth-child(1) { animation-delay: 0.1s; }
.pillar-card:nth-child(2) { animation-delay: 0.2s; }
.pillar-card:nth-child(3) { animation-delay: 0.3s; }
.pillar-card:nth-child(4) { animation-delay: 0.4s; }
.pillar-card:nth-child(5) { animation-delay: 0.5s; }
.pillar-card:nth-child(6) { animation-delay: 0.6s; }

.pillar-icon {
    font-size: 2.5rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
    transition: all var(--transition-fast);
}

.pillar-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    transition: all var(--transition-fast);
}

.pillar-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.5s ease, margin-top 0.5s ease;
}

/* Effet de survol */
.pillar-card:hover {
    transform: translateY(-10px) scale(1.05);
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 224, 255, 0.3);
    background: rgba(26, 31, 46, 0.8);
}

.pillar-card:hover .pillar-icon {
    transform: scale(1.2);
    animation: icon-glow 1.5s infinite alternate;
}

@keyframes icon-glow {
    from {
        text-shadow: 0 0 5px rgba(0, 224, 255, 0.5);
    }
    to {
        text-shadow: 0 0 15px rgba(0, 224, 255, 0.8), 0 0 30px rgba(0, 224, 255, 0.5);
    }
}

.pillar-card:hover .pillar-description {
    max-height: 200px;
    opacity: 1;
    margin-top: 15px;
}

/* === RESPONSIVE STYLES === */
@media (max-width: 1024px) {
    .journey-container,
    .pillars-grid {
        gap: 30px;
    }
    
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .journey-container {
        grid-template-columns: 1fr;
    }
    
    .dna-content-card {
        height: 500px;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .dna-toggle-container {
        flex-direction: column;
        align-items: center;
    }
    
    .dna-toggle-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .journey-header h2,
    .dna-header h2,
    .pillars-header h2 {
        font-size: 2rem;
    }
    
    .journey-text-card,
    .dna-card-face {
        padding: 25px;
    }
    
    .journey-title,
    .dna-card-face h3 {
        font-size: 1.5rem;
    }
}