/* AEGEE Toulouse - Main Stylesheet */

:root {
    /* Couleurs principales */
    --primary: #0055A4;
    --primary-dark: #003366;
    --primary-light: #CCE5FF;
    --accent-gold: #FFD700;
    --accent-gold-dark: #e6c200;
    
    /* Couleurs de texte */
    --text-primary: #2C3E50;
    --text-secondary: #666666;
    --text-light: #999999;
    
    /* Couleurs de support */
    --white: #FFFFFF;
    --background: #F8F9FA;
    --border: #E9ECEF;
    --success: #28A745;
    --warning: #FF8C00;
    --error: #DC3545;
    
    /* Couleurs système étendues */
    --sky-blue: #87CEEB;
    --cream: #FFF8DC;
    
    /* Espacements */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-base: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Typographie */
    --font-heading: 'Raleway', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Tailles de police */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    --text-4xl: 36px;
    --text-5xl: 48px;
    
    /* Grille */
    --container-max: 1200px;
    --gutter-desktop: 24px;
    --gutter-mobile: 16px;
    
    /* Animations */
    --transition: 300ms ease-out;
    --transition-slow: 500ms ease-out;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 120px; /* Compensation pour header fixe */
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--gutter-desktop);
}

/* === HEADER === */
.header {
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,85,164,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-light);
    transition: all 0.3s ease;
}

.header-top {
    background: var(--primary);
    color: var(--white);
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.header-info span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.header-social {
    display: flex;
    gap: var(--space-base);
}

.header-social a {
    color: var(--white);
    text-decoration: none;
    padding: var(--space-xs);
    border-radius: 4px;
    transition: all var(--transition);
}

.header-social a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.header-main {
    padding: var(--space-base) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-base);
    text-decoration: none;
    color: var(--primary);
    font-family: var(--font-heading);
    transition: all var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--sky-blue) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-xl);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23FFD700' fill-opacity='0.1'%3E%3Cpolygon points='20,1 25,15 39,15 28,25 33,39 20,30 7,39 12,25 1,15 15,15'/%3E%3C/g%3E%3C/svg%3E");
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.logo-name {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.logo-subtitle {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1;
}

/* Navigation */
.nav-main {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    padding: var(--space-sm) var(--space-base);
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: all var(--transition);
    transform: translateX(-50%);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 80%;
}

.has-dropdown > a i {
    font-size: var(--text-xs);
    transition: transform var(--transition);
}

.has-dropdown:hover > a i {
    transform: rotate(180deg);
}

/* Dropdown menus */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 8px 25px rgba(0,85,164,0.15);
    border-radius: 8px;
    border: 1px solid var(--border);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
    z-index: 1000;
    list-style: none;
    padding: var(--space-sm) 0;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-sm) var(--space-base);
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--text-sm);
    transition: all var(--transition);
    border-radius: 0;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--primary-light);
    color: var(--primary);
    padding-left: var(--space-lg);
}

/* Language switcher */
.lang-switch {
    display: flex;
    background: var(--background);
    border-radius: 20px;
    overflow: hidden;
}

.lang-switch a {
    padding: var(--space-xs) var(--space-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition);
}

.lang-switch a.active {
    background: var(--primary);
    color: var(--white);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    font-size: var(--text-xl);
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-top: 1px solid var(--border);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-links {
    list-style: none;
    padding: var(--space-base);
}

.mobile-nav-links li {
    margin-bottom: var(--space-sm);
}

.mobile-nav-links a {
    display: block;
    padding: var(--space-base);
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition);
}

.mobile-nav-links a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.mobile-submenu {
    margin-bottom: var(--space-sm);
}

.mobile-submenu-label {
    display: block;
    padding: var(--space-base);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-sm);
}

.mobile-submenu-items {
    list-style: none;
    padding-left: var(--space-base);
}

.mobile-submenu-items a {
    padding: var(--space-sm) var(--space-base);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.mobile-submenu-items a:hover {
    color: var(--primary);
    padding-left: var(--space-lg);
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    padding: var(--space-4xl) 0;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-xs);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-heading);
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--text-base);
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,85,164,0.3);
}

.btn-accent {
    background: var(--accent-gold);
    color: var(--text-primary);
    border-color: var(--accent-gold);
}

.btn-accent:hover {
    background: var(--accent-gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,215,0,0.3);
}

/* === FOOTER === */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23CCE5FF' fill-opacity='0.03'%3E%3Cpath d='M30,0 L60,30 L30,60 L0,30 Z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.footer-content {
    position: relative;
    z-index: 1;
}

.footer-top {
    padding: var(--space-3xl) 0 var(--space-2xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-base);
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--sky-blue) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: var(--text-lg);
}

.footer-description {
    font-size: var(--text-base);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    color: rgba(255,255,255,0.8);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.8);
    font-size: var(--text-sm);
}

.footer-contact-item i {
    width: 16px;
    color: var(--accent-gold);
}

.footer-section h4 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition);
    padding: var(--space-xs) 0;
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: var(--space-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-base);
    margin-top: var(--space-lg);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: var(--space-lg) 0;
    background: rgba(0,0,0,0.2);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.7);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: var(--accent-gold);
}

.footer-credit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--gutter-mobile);
    }

    .header-top {
        display: none;
    }

    .nav-main {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .logo {
        font-size: var(--text-xl);
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-name {
        font-size: var(--text-xl);
    }

    .dropdown-menu {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-base);
        text-align: center;
    }
}

@media (max-width: 425px) {
    .footer-social {
        justify-content: center;
    }
}