/* ========================================
   NAVIGATION BAR STYLES
   Fixed navigation bar always visible at top
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 1000;
    transform: translateY(0);
    transition: all 0.3s ease;
}

/* Navigation Container */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Brand/Logo */
.nav-brand {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-serif);
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 4px 0;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 5px;
    transition: var(--transition);
    display: block;
    font-size: 1rem;
    /* Better tap targets for mobile */
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.nav-link.active {
    background: var(--accent-color);
    color: var(--white);
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    .nav-container {
        height: 60px;
    }
    
    .nav-brand {
        font-size: 1.2rem;
    }
    
    .nav-toggle {
        display: flex;
        padding: var(--spacing-xs);
        /* Better tap target */
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
        align-items: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-sm) 0;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: 0 5px 10px var(--shadow);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: 0;
        font-size: 1.1rem;
        /* Larger tap targets on mobile */
        min-height: 50px;
    }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
}