/*
 * Fichier CSS pour le site BADIS AI - Thème Éducation
 * Contient les styles globaux et spécifiques pour une UI moderne et fluide
 */

/* --- Variables et Styles de base --- */
:root {
    /* Couleurs de fond conservées pour un thème sombre */
    --color-background-dark: #0d1117;
    --color-background-light: #1a202c;
    
    /* Couleurs mises à jour selon la charte BADIS AI */
    --color-text-primary: #ffffff; /* Blanc */
    --color-text-secondary: #a0aec0;
    --color-primary:   #384597; /* Bleu principal BADIS AI */
    --color-secondary: #055974; /* Bleu accent / Gradient */
    --color-tertiary:  #252C4F; /* Bleu foncé / Sombre */
    
    --font-primary: 'Golos Text', sans-serif;
    --font-secondary: 'JetBrains Mono', monospace;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 10px 20px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
}

span.line-break { display: block; }

/* Base body and font styles */
body {
    font-family: var(--font-primary);
    background-color: var(--color-background-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Custom scrollbar for better visual integration */
body::-webkit-scrollbar { width: 8px; }

body::-webkit-scrollbar-track { background: var(--color-background-dark); }

body::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 10px;
    border: 2px solid var(--color-background-dark);
}

/* Container pour centrer le contenu */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- En-tête et Navigation --- */
.main-header {
    background-color: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-light);
    transition: background-color 0.3s ease;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.logo img {
    height: 48px;
    width: auto;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: 1px;
}

/* Menu Burger */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 101;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    margin: 3px 0;
    transition: 0.3s;
    transform-origin: center;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Menu mobile overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99;
    justify-content: center;
    align-items: center;
}

.mobile-menu-overlay.active {
    display: flex;
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.mobile-nav-links li {
    margin: 2rem 0;
}

.mobile-nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--color-secondary);
}

/* --- Boutons d'appel à l'action --- */
.cta-button {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-button:first-of-type {
    background-image: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: #fff;
}

.cta-button.ghost {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-tertiary);
    box-shadow: none;
}

.cta-button:first-of-type:hover {
    background-image: linear-gradient(to right, var(--color-secondary), var(--color-primary));
    transform: translateY(-2px);
}

.cta-button.ghost:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

/* --- Sections --- */
section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Section Hero --- */
.hero {
    /* Adaptation du fond avec la nouvelle couleur tertiaire */
    background: linear-gradient(to right, #0a0e14, var(--color-tertiary)); 
    position: relative;
    min-height: calc(100vh - 86px);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    padding: 0;
}

.hero-content {
    z-index: 10;
    max-width: 900px;
}

.hero-subtitle {
    font-family: var(--font-secondary);
    text-transform: uppercase;
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* --- Section Services / Solutions --- */
.services-block {
    margin-bottom: 4rem;
}

.services-block-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* --- Section Mission (New) --- */
#mission {
    background-color: var(--color-background-light);
}
/* --- Section Team --- */
.team-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    text-align: center;
}

.member-role {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.member-links {
    margin-top: 1rem;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-primary);
    border-radius: 25px;
    background-color: transparent;
}

.linkedin-link:hover {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background-image: linear-gradient(to bottom right, var(--color-primary), var(--color-secondary));
}

.card-icon i {
    font-size: 2rem;
    color: #fff;
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--color-text-secondary);
}

/* --- Section Blog Preview --- */
.blog-preview {
    background-color: var(--color-background-dark);
}



.blog-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.blog-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.blog-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.blog-read-more:hover {
    color: var(--color-secondary);
    transform: translateX(5px);
}

.blog-read-more i {
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.blog-read-more:hover i {
    transform: translateX(3px);
}

.blog-cta {
    text-align: center;
}

/* Responsive pour les cartes blog */
@media (max-width: 768px) {
    .team-cards {
        grid-template-columns: 1fr;
    }
}

/* --- Section Calendly / Contact --- */
#calendly  { background-color: var(--color-background-light); }

#calendly .contact-list li {
    position: relative;
    padding-left: 2rem;
}

#calendly .contact-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(56, 69, 151, 0.5); /* updated shadow to primary color */
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(56, 69, 151, 0.4); } /* updated shadow to primary color */
    70% { box-shadow: 0 0 0 10px rgba(56, 69, 151, 0); } /* updated shadow to primary color */
    100% { box-shadow: 0 0 0 0 rgba(56, 69, 151, 0); } /* updated shadow to primary color */
}

/* Styles pour l'iframe Calendly */
#iframe {
    flex: 1 1 400px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.calendly-inline-widget {
    flex: 1 1 400px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* --- Section Contact --- */
.contact {
    background-color: var(--color-background-dark);
    padding-bottom: 0;
}

.contact-layout {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.contact-text, .calendly-inline-widget {
    flex: 1 1 45%;
    min-width: 300px;
}

.contact-text h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 0;
}

.contact-text p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-list li {
    font-size: 1rem;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.contact-list a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-list a:hover {
    color: var(--color-secondary);
}

/* --- Footer --- */
.main-footer {
    background-color: var(--color-background-dark);
    border-top: 1px solid var(--color-tertiary);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

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


/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 8rem 0 6rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
    
    .services-block-title {
        font-size: 1.5rem;
    }

    .service-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
    }

    .footer-links a {
        margin-left: 0;
        margin-bottom: 0.5rem;
    }

    .contact-layout {
        flex-direction: column;
    }

    .contact-text, .calendly-inline-widget {
        min-width: 100%;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card h3 {
        font-size: 1.3rem;
    }
}