/* PALETTE DE COULEURS ET DESIGN CLEAN */
:root {
    --aqua-primary: #00f2fe;
    --aqua-dark: #00c6ff;
    --aqua-glow: rgba(0, 242, 254, 0.25);
    --bg-dark: #0b1329;
    --bg-light: #f4f8fb;
    --bg-card: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* HEADER RESPONSIVE */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-container {
    max-width: 1250px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    transition: var(--transition);
}

.brand-link:hover .logo-img {
    transform: scale(1.05);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--bg-dark);
    letter-spacing: -0.01em;
}

.brand-slogan {
    font-size: 0.75rem;
    color: #00849e;
    font-weight: 700;
}

/* NAVIGATION DESKTOP */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 22px;
}

.nav-item {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
    cursor: pointer;
    transition: var(--transition);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--aqua-primary), var(--aqua-dark));
    border-radius: 4px;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--aqua-dark);
}

.nav-item:hover::after {
    width: 100%;
}

/* DROPDOWN DESKTOP NOS ACTIONS */
.dropdown {
    position: relative;
}

.nav-arrow {
    font-size: 0.72rem;
    margin-left: 4px;
    transition: var(--transition);
}

.dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    min-width: 240px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    border-radius: 12px;
    padding: 10px 0;
    display: none;
    flex-direction: column;
    border: 1px solid var(--border-color);
    z-index: 1010;
}

.dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-menu a {
    padding: 10px 18px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: rgba(0, 242, 254, 0.08);
    color: #00849e;
    padding-left: 22px;
}

/* BOUTON ESPACE ADHÉRENT */
.btn-adherer {
    background: var(--bg-dark);
    color: #ffffff !important;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.88rem;
    transition: var(--transition);
}

.btn-adherer:hover {
    background: linear-gradient(135deg, var(--aqua-primary), var(--aqua-dark));
    color: var(--bg-dark) !important;
    box-shadow: 0 4px 15px var(--aqua-glow);
    transform: translateY(-2px);
}

/* HERO SECTION */
.hero {
    padding: 80px 20px;
    text-align: center;
    background: radial-gradient(circle at top, rgba(0, 242, 254, 0.15) 0%, rgba(244, 248, 253, 0) 70%);
}

.hero-container {
    max-width: 850px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--bg-dark);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.hero-slogan {
    font-size: 1.4rem;
    font-weight: 800;
    color: #00849e;
    margin-bottom: 18px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--bg-dark);
    color: #ffffff;
    padding: 12px 26px;
    border-radius: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #192950;
    transform: translateY(-2px);
}

.btn-aqua {
    background: linear-gradient(135deg, var(--aqua-primary), var(--aqua-dark));
    color: var(--bg-dark);
    padding: 12px 26px;
    border-radius: 12px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px var(--aqua-glow);
    transition: var(--transition);
}

.btn-aqua:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--aqua-glow);
}

/* SECTIONS COMMUNES */
.section {
    padding: 65px 20px;
}

.bg-white {
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 45px;
}

.section-header h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--bg-dark);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* CARTES NOS DOMAINES D'ACTION */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.action-card {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 242, 254, 0.15);
    border-color: var(--aqua-primary);
}

.card-featured {
    border-color: rgba(0, 242, 254, 0.4);
}

.card-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.aqua-glow {
    background: rgba(0, 242, 254, 0.12);
    color: #0093b2;
}

.action-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--bg-dark);
}

.action-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link {
    font-weight: 700;
    font-size: 0.88rem;
    color: #00849e;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.action-card:hover .card-link {
    color: var(--aqua-dark);
    gap: 10px;
}

/* CARROUSEL IMAGES */
.carousel-container {
    position: relative;
    max-width: 950px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.carousel-track {
    position: relative;
    height: 440px;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.7s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(11, 19, 41, 0.9), transparent);
    color: #ffffff;
    padding: 25px 30px;
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(11, 19, 41, 0.6);
    color: #ffffff;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--aqua-primary);
    color: var(--bg-dark);
}

.prev-btn { left: 15px; }
.next-btn { right: 15px; }

.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--aqua-primary);
    width: 25px;
    border-radius: 10px;
}

/* FOOTER ÉPURÉ */
.footer {
    background: #070d1d;
    color: #ffffff;
    padding: 45px 20px 30px 20px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* SOLUTION LOGO TEXTE NOIR -> PASSAGE EN BLANC POUR LE FOOTER */
.footer-logo {
    height: 46px;
    width: auto;
    filter: brightness(0) invert(1); /* Transforme le texte noir du logo en blanc pur */
}

.footer-brand-titles h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
}

.footer-slogan {
    color: var(--aqua-primary);
    font-size: 0.85rem;
    font-weight: 700;
}

.footer-meta {
    font-size: 0.85rem;
    color: #94a3b8;
}

.footer-links {
    margin-top: 6px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-links a {
    color: #ffffff;
    font-weight: 600;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--aqua-primary);
}

.sep {
    color: #475569;
}

.footer-right h4 {
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: #ffffff;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--aqua-primary);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

/* RESPONSIVE BURGER & MOBILE */
.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1020;
}

.burger-btn span {
    height: 3px;
    width: 100%;
    background-color: var(--bg-dark);
    border-radius: 4px;
    transition: var(--transition);
}

.burger-btn.active span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.burger-btn.active span:nth-child(2) { opacity: 0; }
.burger-btn.active span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* MENU MOBILE/TABLETTE NETTOYÉ ET CENTRÉ */
.nav-mobile {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 25px 20px;
    gap: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.nav-mobile.open {
    display: flex;
}

.mobile-link {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark) !important; /* Couleur foncée au lieu du gris */
    transition: var(--transition);
}

.mobile-link:hover {
    color: #00849e !important;
}

.mobile-accordion {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mobile-accordion-btn {
    background: none;
    border: none;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark); /* Couleur foncée */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 4px 0;
}

.acc-arrow {
    font-size: 0.8rem;
    transition: var(--transition);
}

.mobile-accordion-btn.open .acc-arrow {
    transform: rotate(180deg);
}

.mobile-sublinks {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 12px;
    width: 100%;
}

.mobile-sublinks.show {
    display: flex;
}

/* SANS PUCE NI POINT, COULEUR NOIRE ET PROPRE */
.mobile-sublinks a {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    transition: var(--transition);
}

.mobile-sublinks a:hover {
    color: #00849e;
}

.btn-adherer-mobile {
    background: var(--bg-dark);
    color: var(--aqua-primary) !important;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 700;
    max-width: 250px;
    margin-top: 5px;
}

@media (max-width: 992px) {
    .nav-desktop { display: none; }
    .burger-btn { display: flex; }
    .hero h1 { font-size: 2.1rem; }
    .carousel-track { height: 320px; }
    
    /* CENTRAGE DU FOOTER SUR MOBILE */
    .footer-container { 
        flex-direction: column; 
        text-align: center; 
        justify-content: center;
    }
    .footer-brand { 
        flex-direction: column; 
        align-items: center;
    }
    .footer-left { 
        align-items: center; 
        text-align: center;
    }
    .footer-links {
        justify-content: center;
    }
}