/**
 * CELAP - Navigation CSS
 * Styles de la navigation latérale et du menu mobile
 */

/* ==================== NAVIGATION CONTAINER ==================== */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--nav-width);
    background: linear-gradient(180deg, #0d0d0e 0%, var(--color-bg-dark) 100%);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-lg);
    z-index: var(--z-nav);
    transition: transform var(--transition-bounce);
}

/* ==================== LOGO ==================== */
.logo-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-section a {
    display: inline-block;
}

.logo {
    width: 90px;
    height: 90px;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-strong);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 4px;
    color: var(--color-text-primary);
}

.logo-subtitle {
    font-size: var(--font-size-xs);
    letter-spacing: 2px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-top: var(--spacing-xs);
}

/* ==================== MENU ITEMS ==================== */
.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}

.nav-menu li {
    list-style: none;
}

.nav-item {
    position: relative;
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--gradient-gold);
    border-radius: 0 4px 4px 0;
    transition: height var(--transition-base);
}

.nav-item:hover {
    color: var(--color-text-primary);
    background: rgba(240, 200, 80, 0.05);
    text-decoration: none;
}

.nav-item:hover::before {
    height: 60%;
}

.nav-item.active {
    color: var(--color-accent);
    background: rgba(240, 200, 80, 0.08);
}

.nav-item.active::before {
    height: 60%;
}

/* ==================== NAV CTA ==================== */
.nav-cta {
    margin-top: auto;
    padding-top: var(--spacing-md);
}

/* ==================== MENU TOGGLE (MOBILE) ==================== */
.menu-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    z-index: calc(var(--z-nav) + 1);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Menu toggle animé quand ouvert */
.menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    margin-left: var(--nav-width);
    min-height: 100vh;
}

/* ==================== PAGE SECTIONS ==================== */
.page-section {
    padding: var(--spacing-4xl) var(--spacing-2xl);
}