/*
Navigation - Fixed navigation bar component
Includes desktop horizontal menu and mobile hamburger menu
*/

/* ========== NAVIGATION CONTAINER ========== */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 80px;
    background-color: var(--card);
    border-bottom: none;
    z-index: var(--z-fixed);
    transition: background-color var(--transition-base);
}

/* Inner container */
.nav-container {
    max-width: var(--container-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

/* ========== LOGO ========== */
.nav-logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    transition: transform var(--transition-base);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-black);
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: var(--tracking-wide);
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

/* ========== NAVIGATION LINKS ========== */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    flex: 1;
    justify-content: center;
}

.nav-link {
    font-family: var(--font-body);
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    text-transform: uppercase;
    color: var(--foreground);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-base);
}

/* Underline effect on hover */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary);
}

/* ========== CTA BUTTON ========== */
.nav-cta {
    flex-shrink: 0;
}

/* ========== MOBILE MENU TOGGLE ========== */
.nav-toggle {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle-bar {
    width: 30px;
    height: 3px;
    background-color: var(--foreground);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ========== MOBILE STYLES ========== */
@media (max-width: 768px) {
    /* Smaller logo on mobile */
    .logo-image {
        height: 32px;
    }
    
    /* Show hamburger menu */
    .nav-toggle {
        display: flex;
    }
    
    /* Hide CTA on mobile */
    .nav-cta {
        display: none;
    }
    
    /* Navigation links become vertical mobile menu */
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--card);
        border-bottom: none;
        padding: var(--space-xl) 0;
        gap: var(--space-lg);
        
        /* Hidden by default */
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }
    
    /* Show menu when active */
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        font-size: var(--text-base);
    }
    
    /* Reduce container padding */
    .nav-container {
        padding: 0 var(--container-padding-mobile);
    }
    
    /* Animated hamburger to X */
    .nav-toggle.active .nav-toggle-bar:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active .nav-toggle-bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .nav-toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
}

/* ========== SCROLLED STATE ========== */
/* Add shadow when page is scrolled */
.navigation.scrolled {
    box-shadow: var(--shadow-card);
}