/* ======================================= */
/*          HEADER / NAVBAR (header.css)         */
/*      Version Finale - Logo Typographique    */
/* ======================================= */

/* --- Style de base de la barre de navigation --- */
.navbar {
    padding: 20px 0;
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    transition: background-color 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.navbar.scrolled {
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.95); /* MODIFIÉ : Fond BLANC au scroll */
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid transparent;
}

/* --- NOUVEAU : LOGO TYPOGRAPHIQUE --- */
.logo-type-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-js {
    font-family: var(--font-primary);
    font-size: 2.5rem; /* Taille du JS */
    font-weight: 700;
    line-height: 1;
    color: white; /* Couleur initiale sur fond transparent */
    transition: color 0.4s ease;
}
.navbar.scrolled .logo-js {
    color: var(--color-primary); /* Couleur sur fond blanc */
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-family: var(--font-primary);
    text-transform: uppercase;
}

.logo-creations {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: white; /* Couleur initiale */
    transition: color 0.4s ease;
}
.navbar.scrolled .logo-creations {
    color: #000000; /* Noir comme sur l'image */
}

.logo-digitales {
    font-size: 0.9rem;
    font-weight: 500;
    color: white; /* Couleur initiale */
    transition: color 0.4s ease;
}
.navbar.scrolled .logo-digitales {
    color: var(--color-primary); /* Bleu institutionnel */
}

/* --- Liens de navigation --- */
.navbar-nav { align-items: center; }
/* Typographie institutionnelle et sobre */
.navbar, .navbar .nav-link, .navbar .dropdown-item, .logo-js, .logo-creations, .logo-digitales {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, sans-serif;
}
.nav-link {
    font-size: 0.95rem; /* Légèrement plus compact */
    font-weight: 600;    /* Ton plus institutionnel */
    letter-spacing: 0.2px; /* Sobriété, lisibilité */
    color: white; /* Couleur initiale */
    padding: 8px 16px; margin: 0 4px; position: relative;
    transition: color 0.4s ease;
    text-decoration: none;
}
.navbar.scrolled .nav-link {
    color: var(--color-text-primary); /* Couleur sur fond blanc */
}

.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 50%;
    transform: translateX(-50%); width: 0; height: 2px;
    background-color: var(--color-accent); transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--color-accent); /* Surbrillance en orange */
}
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active {
    color: var(--color-accent);
}
.nav-link:hover::after, .nav-link.active::after { width: 25px; }

/* Dropdown: typographie et confort de lecture */
.dropdown-menu .dropdown-item {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* Desktop: rendre le dropdown "Mes solutions" transparent avec hover orange */
@media (min-width: 992px) {
    .dropdown-menu[aria-labelledby="solutionsDropdown"] {
        /* Effet verre dépoli pour détacher le texte du Hero */
        background: rgba(0, 17, 34, 0.35); /* teinte sombre bleutée, cohérente avec la charte */
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 10px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        padding: 6px 0;
    }
    /* Quand la navbar est en mode scrolled (fond blanc), éclaircir le verre */
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] {
        background: rgba(255, 255, 255, 0.75);
        border: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }
    .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item {
        color: white; /* sur fond header transparent (non scrolled) */
        background: transparent;
        padding: 0.6rem 1rem;
    }
    .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:hover,
    .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        color: var(--color-accent);
        background: transparent;
    }
    /* État scrolled: header blanc, texte sombre par défaut */
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item {
        color: var(--color-text-primary);
    }
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:hover,
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        color: var(--color-accent);
    }
    /* Accessibilité focus */
    .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
}

/* --- Bouton CTA --- */
/* Nettoyage: le bouton nav utilise désormais .btn .btn-primary global */

/* --- Burger Icon (Mobile) --- */
.navbar-toggler { border: none; outline: none; box-shadow: none !important; padding: 0; }
.burger-icon {
    display: flex; flex-direction: column; justify-content: space-between;
    width: 28px; height: 20px; cursor: pointer;
}
.burger-line {
    width: 100%; height: 3px; background-color: white; border-radius: 3px;
    transition: background-color 0.4s ease;
}
.navbar.scrolled .burger-line {
    background-color: var(--color-primary); /* Le burger devient bleu sur fond blanc */
}

/* Optimisations logo mobile */
@media (max-width: 768px) {
    .logo-js {
        font-size: 2.2rem; /* Logo légèrement plus petit */
    }
    .logo-creations, .logo-digitales {
        font-size: 0.85rem; /* Texte plus compact */
    }
}

/* --- Mobile --- */
@media (max-width: 991.98px) {
    .navbar {
        background-color: var(--color-primary); /* Fond toujours bleu sur mobile */
        padding: 12px 0; /* Réduction du padding mobile */
    }
    .navbar.scrolled {
        background-color: white; /* Fond blanc au scroll */
        padding: 8px 0; /* Encore plus compact au scroll */
    }
    .logo-js, .logo-creations, .logo-digitales { color: white !important; } /* Toujours blanc sur fond bleu */
    .navbar.scrolled .logo-js { color: var(--color-primary) !important; }
    .navbar.scrolled .logo-creations { color: #000000 !important; }
    .navbar.scrolled .logo-digitales { color: var(--color-primary) !important; }

    .nav-link { color: white !important; font-size: 1.05rem; font-weight: 600; letter-spacing: 0.2px; }
    .navbar.scrolled .nav-link { color: var(--color-text-primary) !important; }

    .navbar-collapse {
        margin-top: 15px;
        background-color: var(--color-primary); /* Fond du menu déplié */
        padding: 16px; border-radius: 8px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    .navbar.scrolled .navbar-collapse {
        background-color: white;
    }

    /* Sous-menu “Mes solutions” : fond transparent + hover orange */
    .dropdown-menu[aria-labelledby="solutionsDropdown"] {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 4px 0;
    }
    /* État par défaut sur mobile (menu sur fond bleu) */
    .navbar:not(.scrolled) .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item {
        color: #fff !important;
        background: transparent !important;
    }
    .navbar:not(.scrolled) .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:hover,
    .navbar:not(.scrolled) .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        color: var(--color-accent) !important;
        background: transparent !important;
    }
    /* État au scroll (menu sur fond blanc) */
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item {
        color: var(--color-text-primary) !important;
        background: transparent !important;
    }
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:hover,
    .navbar.scrolled .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        color: var(--color-accent) !important;
        background: transparent !important;
    }
    /* Accessibilité focus visible */
    .dropdown-menu[aria-labelledby="solutionsDropdown"] .dropdown-item:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
}