/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');
@import url('variables.css');

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography
   ========================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-primary-blue);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--space-sm);
}

a {
    color: var(--color-secondary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    text-decoration: underline;
    color: var(--color-primary-blue-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout Classes
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.section {
    padding: var(--space-lg) 0;
}

.section-light {
    background-color: var(--color-bg-light);
}

/* Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: var(--font-family-main);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    text-decoration: none !important;
    border-radius: var(--border-radius-btn);
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--color-primary-orange);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-primary-orange-hover);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.btn-secondary {
    background-color: var(--color-primary-blue);
    color: var(--color-text-light);
}

.btn-secondary:hover {
    background-color: var(--color-primary-blue-hover);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary-blue);
    border: 2px solid var(--color-primary-blue);
}

.btn-outline:hover {
    background-color: var(--color-primary-blue);
    color: var(--color-text-light);
}

/* Cards
   ========================================================================== */
.card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-card);
    box-shadow: var(--box-shadow-subtle);
    padding: var(--space-md);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    display: flex;
    flex-direction: column;
}

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

.card-title {
    margin-top: 0;
    color: var(--color-primary-blue);
}

/* Header & Navigation 3 niveaux (style fédéral)
   ========================================================================== */
.site-header {
    background-color: var(--color-bg-white);
    box-shadow: var(--box-shadow-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* === Niveau 1 : Barre utilitaire en haut === */
.topbar {
    background-color: var(--color-primary-blue);
    color: white;
    font-size: 0.78rem;
}

.topbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem var(--space-sm);
    flex-wrap: wrap;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.topbar a {
    color: white;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

.topbar a:hover {
    color: var(--color-primary-orange);
    text-decoration: none;
}

.topbar-search {
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    padding: 2px 0;
    min-width: 200px;
}

.topbar-search input {
    background: transparent;
    border: none;
    color: white;
    padding: 4px 8px;
    font-size: 0.85rem;
    flex: 1;
    outline: none;
    font-family: inherit;
}

.topbar-search input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.topbar-search button {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 0.95rem;
}

.topbar-search button:hover {
    color: var(--color-primary-orange);
}

.social-icons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.social-icons a {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.social-icons a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-primary-orange);
}

/* === Niveau 2 : Bandeau logo (blanc) === */
.logo-bar {
    background-color: var(--color-bg-white);
    padding: 1rem 0;
}

.logo-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 70px;
    width: auto;
}

/* === Niveau 3 : Bandeau de menu (bleu) === */
.main-nav-bar {
    background-color: var(--color-primary-blue);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    position: relative;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    width: 100%;
    justify-content: center;
}

.nav-links > li {
    position: relative;
}

.nav-links > li > a {
    display: block;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 1.1rem 1.25rem;
    border-bottom: 3px solid transparent;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav-links > li > a:hover,
.nav-links > li:hover > a {
    color: var(--color-primary-orange);
    border-bottom-color: var(--color-primary-orange);
    text-decoration: none;
}

/* Dropdown / sous-menus
   ========================================================================== */
.nav-links li {
    position: relative;
}

.nav-links li.has-submenu > a::after {
    content: " ▾";
    font-size: 0.7em;
    margin-left: 4px;
    color: var(--color-primary-orange);
}

.submenu {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--color-bg-white);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    border-radius: 0 0 6px 6px;
    border-top: 3px solid var(--color-primary-orange);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    z-index: 1001;
}

.nav-links li.has-submenu:hover > .submenu,
.nav-links li.has-submenu:focus-within > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li {
    display: block;
    width: 100%;
}

.submenu a {
    display: block;
    padding: 0.6rem 1.25rem;
    text-transform: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-main);
    transition: background var(--transition-fast), color var(--transition-fast), padding var(--transition-fast);
}

.submenu a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary-orange);
    padding-left: 1.5rem;
    text-decoration: none;
}

.submenu .submenu-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary-blue);
    font-weight: 700;
    padding: 0.5rem 1.25rem 0.25rem;
    border-top: 1px solid #f0f0f0;
    margin-top: 0.25rem;
}

.submenu li:first-child .submenu-section-title {
    border-top: none;
    margin-top: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    padding: 0.75rem 1rem;
    width: 100%;
    text-align: left;
}

/* General Layout Grids */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Animation Utility Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive adjustments
   ========================================================================== */

/* Large tablette (1200px) : on resserre les items du menu */
@media (max-width: 1200px) {
    .nav-links > li > a {
        padding: 1.1rem 0.85rem;
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }
}

/* Tablette (1024px) : nav à 8 items ne tient plus → bascule en menu mobile accordéon */
@media (max-width: 1024px) {
    /* Topbar : on garde l'essentiel, on cache la recherche */
    .topbar-search {
        display: none;
    }
    .topbar-container {
        justify-content: space-between;
        gap: 0.5rem;
    }
    .topbar-left,
    .topbar-right {
        gap: 0.75rem;
        font-size: 0.7rem;
    }

    /* Logo : un peu plus petit */
    .logo img {
        height: 56px;
    }

    /* Menu : hamburger */
    .nav-container {
        justify-content: flex-start;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-primary-blue);
        padding: 0;
        box-shadow: var(--box-shadow-subtle);
        gap: 0;
        max-height: calc(100vh - 200px);
        overflow-y: auto;
        z-index: 999;
    }
    .nav-links > li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-links > li > a {
        font-size: 0.95rem;
        display: block;
        padding: 0.9rem 1.25rem;
        border-bottom: none;
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }

    /* Sous-menus en mobile : accordéon */
    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        border-left: 3px solid var(--color-primary-orange);
        border-radius: 0;
        background: rgba(0, 0, 0, 0.2);
        padding: 0;
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .nav-links li.has-submenu.open > .submenu {
        max-height: 600px;
        padding: 0.25rem 0;
    }
    .nav-links li.has-submenu > a::after {
        content: " ▸";
        transition: transform 0.2s;
        display: inline-block;
    }
    .nav-links li.has-submenu.open > a::after {
        transform: rotate(90deg);
    }
    .submenu a {
        padding: 0.6rem 1.5rem;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.9);
    }
    .submenu a:hover {
        padding-left: 1.75rem;
        color: var(--color-primary-orange);
        background: transparent;
    }
    .submenu .submenu-section-title,
    .submenu li.submenu-section-title {
        color: var(--color-primary-orange);
        background: transparent;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Très petit écran (600px) : on cache aussi newsletter et soutenez-nous, on garde juste socials et espace membres */
@media (max-width: 600px) {
    .topbar-left a:not(:last-child),
    .topbar-right a:not(.social-link):not(:last-child) {
        font-size: 0;
    }
    .topbar-left a:not(:last-child) i,
    .topbar-right a:not(.social-link):not(:last-child) i {
        font-size: 0.95rem;
    }
    .social-icons {
        gap: 0.4rem;
    }
}

/* Tablette/Mobile (768px) : grilles passent à 1 colonne, typo réduite */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--space-md) 0;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    /* Les hero sections : réduire la taille du titre principal */
    .hero h1 {
        font-size: 2rem !important;
    }
}

/* Très petits écrans (480px) */
@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    h2 {
        font-size: 1.4rem;
    }
    .btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}