/* ==========================================================================

   HEADER - Navigation principale

   Fichier: 02-layout/header.css

   ========================================================================== */



header {

    background-color: white;

    box-shadow: 0 2px 10px rgba(0,0,0,0.1);

    position: sticky;

    top: 0;

    z-index: 100;

    border-bottom: 1px solid #e0e0e0;

}



.navbar {

    display: flex;

    justify-content: space-between;

    align-items: center;

    padding: 20px 0;

    position: relative;

}



/* ==========================================================================

   LOGO - Ecophot avec couleurs bleue et verte

   ========================================================================== */

.logo {

    font-size: 1.8rem;

    font-weight: 700;

    text-decoration: none;

    color: #1a73e8; /* Bleu pour "Eco" */

    transition: all 0.3s ease;

    letter-spacing: -0.5px;

}



.logo:hover {

    transform: scale(1.05);

    text-decoration: none;

}



.logo span {

    color: #34a853; /* Vert pour "phot" */

}



/* ==========================================================================

   NAVIGATION PRINCIPALE

   ========================================================================== */

.nav-links {

    display: flex;

    list-style: none;

    margin: 0;

    padding: 0;

    align-items: center;

}



.nav-links li {

    margin-left: 25px;

    position: relative;

}



.nav-links a {

    text-decoration: none;

    color: #333;

    font-weight: 500;

    padding: 8px 12px;

    border-radius: 6px;

    transition: all 0.3s ease;

    display: block;

    position: relative;

}



.nav-links a:hover {

    color: #1a73e8;

    background-color: #f0f7ff;

    transform: translateY(-1px);

}



.nav-links a.active {

    color: #0d47a1; /* ratio 7.65:1 sur #e3f2fd — WCAG AA */

    background-color: #e3f2fd;

    font-weight: 600;

}



.nav-links a.active::after {

    content: '';

    position: absolute;

    bottom: -2px;

    left: 50%;

    transform: translateX(-50%);

    width: 20px;

    height: 2px;

    background-color: #1a73e8;

    border-radius: 1px;

}



/* ==========================================================================

   LIENS MIS EN AVANT - Blog et FAQ

   ========================================================================== */

.nav-links a.nav-highlight {

    color: #e67e22;

    font-weight: 600;

    background-color: #fff8f0;

    border: 1px solid #f0c070;

    border-radius: 6px;

}



.nav-links a.nav-highlight:hover {

    color: #fff;

    background-color: #e67e22;

    border-color: #e67e22;

    transform: translateY(-1px);

}



.nav-links a.nav-highlight.active {

    color: #fff;

    background-color: #d35400;

    border-color: #d35400;

}



/* ==========================================================================

   DROPDOWN MENU - Documentation

   ========================================================================== */

.dropdown {

    position: relative;

    display: inline-block;

}



.dropdown-toggle {

    display: flex;

    align-items: center;

    gap: 8px;

    text-decoration: none;

    color: #333;

    font-weight: 500;

    cursor: pointer;

    padding: 8px 12px;

    border-radius: 6px;

    transition: background-color 0.3s ease;

}



.dropdown-toggle:hover {

    color: #1a73e8;

    background-color: #f0f7ff;

    text-decoration: none;

}



.dropdown-toggle.active {

    color: #0d47a1; /* ratio 7.65:1 sur #e3f2fd — WCAG AA */

    background-color: #e3f2fd;

    font-weight: 600;

}



.dropdown-arrow {

    font-size: 0.7rem;

    transition: transform 0.3s ease;

    color: inherit;

}



.dropdown:hover .dropdown-arrow {

    transform: rotate(180deg);

}



.dropdown-menu {

    position: absolute;

    top: 100%;

    left: 50%;

    transform: translateX(-50%);

    background: white;

    min-width: 220px;

    box-shadow: 0 8px 25px rgba(0,0,0,0.15);

    border-radius: 10px;

    padding: 8px 0;

    margin-top: 10px;

    opacity: 0;

    visibility: hidden;

    transition: all 0.3s ease;

    z-index: 1000;

    border: 1px solid #e0e0e0;

    list-style: none;

}



.dropdown:hover .dropdown-menu {

    opacity: 1;

    visibility: visible;

    margin-top: 15px;

}



.dropdown-menu li {

    margin: 0;

}



.dropdown-menu a {

    display: block;

    padding: 12px 20px;

    color: #333;

    text-decoration: none;

    transition: all 0.3s ease;

    border-radius: 0;

    background: transparent;

}



.dropdown-menu a:hover {

    background-color: #f8f9fa;

    color: #1a73e8;

    transform: translateX(5px);

}



/* ==========================================================================

   HAMBURGER MENU - Mobile

   ========================================================================== */

.hamburger {

    display: none;

    flex-direction: column;

    cursor: pointer;

    padding: 5px;

    border-radius: 4px;

    transition: background-color 0.3s ease;

}



.hamburger:hover {

    background-color: #f0f7ff;

}



.hamburger span {

    display: block;

    width: 25px;

    height: 3px;

    background-color: #333;

    margin-bottom: 5px;

    border-radius: 2px;

    transition: all 0.3s ease;

}



.hamburger span:last-child {

    margin-bottom: 0;

}



/* Animation hamburger actif */

.hamburger.active span:nth-child(1) {

    transform: rotate(45deg) translate(6px, 6px);

}



.hamburger.active span:nth-child(2) {

    opacity: 0;

}



.hamburger.active span:nth-child(3) {

    transform: rotate(-45deg) translate(6px, -6px);

}



/* ==========================================================================

   RESPONSIVE DESIGN

   ========================================================================== */



/* Dropdown ouvert par clic sur tablette tactile */

@media (min-width: 769px) and (max-width: 992px) {

    .dropdown.active .dropdown-menu {

        opacity: 1;

        visibility: visible;

        margin-top: 15px;

    }

}



/* Tablettes */

@media (max-width: 992px) {

    .nav-links li {

        margin-left: 20px;

    }

    

    .nav-links a {

        padding: 6px 10px;

        font-size: 0.95rem;

    }

    

    .logo {

        font-size: 1.6rem;

    }

}



/* Mobile */

@media (max-width: 768px) {

    .navbar {

        flex-direction: column;

        align-items: flex-start;

        position: relative;

    }

    

    .logo {

        align-self: center;

        margin-bottom: 0;

    }

    

    .hamburger {

        display: flex;

        position: absolute;

        top: 20px;

        right: 0;

    }

    

    .nav-links {

        display: none;

        flex-direction: column;

        width: 100%;

        margin-top: 20px;

        background: white;

        border-top: 1px solid #e0e0e0;

        padding-top: 20px;

    }

    

    .nav-links.active {

        display: flex;

    }

    

    .nav-links li {

        margin: 0;

        width: 100%;

    }

    

    .nav-links a {

        padding: 12px 0;

        width: 100%;

        border-radius: 0;

        border-bottom: 1px solid #f0f0f0;

    }

    

    .nav-links a:hover {

        background-color: #f8f9fa;

        transform: none;

    }

    

    /* Dropdown mobile */

    .dropdown-menu {

        position: static;

        opacity: 1;

        visibility: visible;

        box-shadow: none;

        background: transparent;

        margin-top: 0;

        transform: none;

        display: none;

        padding: 0;

        border: none;

        margin-left: 20px;

    }

    

    .dropdown.active .dropdown-menu {

        display: block;

    }

    

    .dropdown-menu a {

        padding: 10px 15px;

        margin-left: 0;

        border-left: 2px solid #1a73e8;

        color: #666;

        background-color: #f8f9fa;

        margin-bottom: 5px;

        border-radius: 5px;

        transform: none;

    }

    

    .dropdown-menu a:hover {

        color: #1a73e8;

        background-color: #e3f2fd;

    }

    

    .dropdown-arrow {

        display: none;

    }

}



/* Très petit mobile */

@media (max-width: 480px) {

    .navbar {

        padding: 15px 0;

    }

    

    .logo {

        font-size: 1.5rem;

    }

    

    .hamburger {

        top: 15px;

    }

    

    .nav-links {

        margin-top: 15px;

        padding-top: 15px;

    }

    

    .nav-links a {

        padding: 10px 0;

        font-size: 0.95rem;

    }

}