body {
    min-height: 100vh;
    color: #1a202c;
    line-height: 1.6;
    background-image: linear-gradient(
        to left,
        #023e73,
        #034e86,
        #055f98,
        #0771ab,
        #0a83bd,
        #0a83bd,
        #0a83bd,
        #0a83bd,
        #0771ab,
        #055f98,
        #034e86,
        #023e73
    );
    background-color: #023e73;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* HEADER SECTION - Plus discret */
.header-section {
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.08),
        rgba(255, 255, 255, 0.04)
    );
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    margin-bottom: 4rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.header-section h1 {
    font-size: 1.3rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.7;
    letter-spacing: -0.01em;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}




.header-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* Styles communs des boutons */
/* .adhesion-btn {
    padding: 16px 32px;
    font-size: 1.1em;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
} */

.adhesion-btn i {
    font-size: 1.2em;
}

/* Bouton primaire (Adhérer) */


.adhesion-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.adhesion-btn.primary:active {
    transform: translateY(0);
}

.adhesion-btn.secondary {
    border: none;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}
/* Bouton secondaire (Statuts) */
/* 

.adhesion-btn.secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.3);
} */

.adhesion-btn.secondary:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .header-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .adhesion-btn {
        width: 100%;
        max-width: 350px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .adhesion-btn {
        padding: 14px 24px;
        font-size: 1em;
    }
}


.adhesion-btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    color: white;
    padding: 16px 36px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.025em;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.adhesion-btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.adhesion-btn:hover::before {
    left: 100%;
}

.adhesion-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.12) 100%);
    border-color: rgba(255, 255, 255, 0.3);
}
.adhesion-btn.secondary:hover {
    transform: translateY(-2px);
}

.activities-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.activities-intro h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 3rem;
}

.visual-separator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.separator-line {
    height: 2px;
    width: 120px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.separator-dots {
    display: flex;
    gap: 0.5rem;
}

.separator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.separator-dot:nth-child(1) { background: #66bcdf; }
.separator-dot:nth-child(2) { background: #e7dc45; }
.separator-dot:nth-child(3) { background: #99be43; }

.activities-flow {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.activity-section {
    position: relative;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.activity-section:nth-child(even) {
    flex-direction: row-reverse;
}

.activities-cluster {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
}

/* Classe spéciale pour centrer la carte nutrition */
.nutrition-centered {
    display: flex;
    justify-content: center;
}

.nutrition-centered .activity-card {
    max-width: 400px;
    width: 100%;
}

/* CARTES D'ACTIVITÉS */
.activity-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, currentColor, transparent, currentColor);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: center;
}

.activity-card::after {
    content: '';
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, currentColor, transparent);
    opacity: 0.1;
    transition: all 0.4s ease;
}

.activity-card:hover::before {
    transform: scaleX(1);
}

.activity-card:hover::after {
    opacity: 0.2;
    transform: scale(1.2);
}

.activity-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    border-color: currentColor;
}

.activity-card.physique {
    color: #66bcdf;
}

.activity-card.bienetre {
    color: #e7dc45;
}

.activity-card.alimentation {
    color: #99be43;
}

/* CARTE NEWSLETTER SPÉCIALE POUR ALIMENTATION */
.activity-card.newsletter {
    background: linear-gradient(135deg, 
        rgba(153, 190, 67, 0.05) 0%, 
        rgba(153, 190, 67, 0.02) 100%
    ), rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(153, 190, 67, 0.2);
    position: relative;
    min-height: 180px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.newsletter-options {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.newsletter-option {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(153, 190, 67, 0.3);
    border-radius: 8px;
    padding: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.newsletter-option:hover {
    background: rgba(153, 190, 67, 0.1);
    border-color: rgba(153, 190, 67, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(153, 190, 67, 0.2);
}

.newsletter-option .option-title {
    font-weight: 600;
    color: #2d3748;
}

.newsletter-option .option-subtitle {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 0.2rem;
}

.newsletter-option .option-icon {
    font-size: 1.2rem;
    opacity: 0.7;
}

.newsletter-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: linear-gradient(135deg, #99be43, #7ea635);
    color: white;
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 0 14px 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(153, 190, 67, 0.3);
}

.activity-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.activity-subtitle {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 400;
    transition: all 0.4s ease;
    transform: translateY(0);
    opacity: 0.8;
}

.activity-card:hover .activity-subtitle {
    opacity: 1;
    color: #475569;
    transform: translateY(-2px);
}

.activity-card:hover .activity-title {
    color: currentColor;
}

.connecting-line {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #e2e8f0, transparent);
    transform: translateX(-50%);
    z-index: -1;
}

/* CONTACT SECTION - Plus discrète */
.contact-section {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.8), 
        rgba(118, 75, 162, 0.8)
    );
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    margin-top: 4rem;
    color: white;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.contact-content {
    position: relative;
    z-index: 1;
}

.contact-section h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: default;
}

.contact-email::before {
    content: '✉';
    margin-right: 10px;
    font-size: 1rem;
}

@keyframes float {
    0%, 100% { transform: translateX(0px) translateY(0px); }
    33% { transform: translateX(8px) translateY(-8px); }
    66% { transform: translateX(-8px) translateY(8px); }
}

/* Animations d'entrée */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.3s; }
.fade-in:nth-child(3) { animation-delay: 0.5s; }

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }

    .header-section {
        padding: 2rem 1.5rem;
        margin-bottom: 3rem;
    }

    .activities-flow {
        gap: 2rem;
    }

    .activity-section {
        flex-direction: column !important;
        text-align: center;
        gap: 1.5rem;
    }

    .activities-cluster {
        grid-template-columns: 1fr;
    }

    .connecting-line {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-section {
        padding: 2rem 1.5rem;
    }

    .contact-section {
        padding: 2rem;
    }

    .activity-card {
        padding: 1.5rem;
    }
}