* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #fff;
    color: #1a1a1a;
    overflow-x: hidden;
}

/* Section About */
.about-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
}

/* Subtle background pattern */
.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(114, 243, 250, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(114, 243, 250, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Header centralisé */
.about-header {
    text-align: center;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-header h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: #092031;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.about-header .highlight {
    background: linear-gradient(135deg, #72F3FA 0%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-header .subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: #64748b;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.divider {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #72F3FA, transparent);
    margin: 24px auto;
    border-radius: 4px;
}

/* Content Blocks avec alternance */
.content-blocks {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.content-block.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Alternance gauche/droite */
.content-block:nth-child(even) {
    direction: rtl;
}

.content-block:nth-child(even) > * {
    direction: ltr;
}

/* Partie texte */
.text-part {
    padding: 20px;
}

.text-part .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(114, 243, 250, 0.1), rgba(114, 243, 250, 0.05));
    border: 2px solid rgba(114, 243, 250, 0.3);
    border-radius: 50px;
    color: #0891b2;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.text-part .badge i {
    font-size: 1rem;
}

.text-part h3 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: #092031;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.text-part p {
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.8;
    color: #475569;
    margin-bottom: 16px;
}

.text-part .features-list {
    list-style: none;
    margin-top: 24px;
}

.text-part .features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 1rem;
    color: #334155;
    border-bottom: 1px solid rgba(114, 243, 250, 0.1);
}

.text-part .features-list li:last-child {
    border-bottom: none;
}

.text-part .features-list i {
    color: #72F3FA;
    font-size: 1.2rem;
}

/* Partie image */
.image-part {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

.image-part:hover {
    transform: scale(1.03) translateY(-10px);
    box-shadow: 0 30px 80px rgba(114, 243, 250, 0.3);
}

.image-part img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform 0.5s ease;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(9, 32, 49, 0.6) 0%, rgba(114, 243, 250, 0.4) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-part:hover .image-overlay {
    opacity: 1;
}

.overlay-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #092031;
    transform: scale(0) rotate(-180deg);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.image-part:hover .overlay-icon {
    transform: scale(1) rotate(0deg);
}

/* Decorative elements */
.decorative-circle {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(114, 243, 250, 0.1), transparent);
    z-index: -1;
}

.text-part .decorative-circle {
    top: -20px;
    right: -20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .content-block {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 80px 15px;
    }

    .about-header {
        margin-bottom: 60px;
    }

    .content-blocks {
        gap: 60px;
    }

    .content-block {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .content-block:nth-child(even) {
        direction: ltr;
    }

    .image-part {
        order: -1;
    }

    .text-part {
        padding: 0;
    }
}

@media (max-width: 480px) {
    .content-block {
        gap: 24px;
    }

    .text-part .badge {
        font-size: 0.85rem;
        padding: 6px 16px;
    }
}

/* Animation au scroll */
.content-block {
    transition-delay: 0.1s;
}

.content-block:nth-child(2) {
    transition-delay: 0.2s;
}

.content-block:nth-child(3) {
    transition-delay: 0.3s;
}

.content-block:nth-child(4) {
    transition-delay: 0.4s;
}

.content-block:nth-child(5) {
    transition-delay: 0.5s;
}

.content-block:nth-child(6) {
    transition-delay: 0.6s;
}