/* ZABAL Navigation Styles - Full-screen Menu System */

/* Navigation Menu Base */
.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.nav-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(79, 156, 249, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.nav-menu.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

/* Navigation Header */
.nav-header {
    margin-bottom: var(--space-12);
}

.nav-header h1 {
    font-size: var(--text-5xl);
    font-weight: 900;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.nav-header h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--cream-300);
    margin-bottom: var(--space-3);
}

.nav-header .tagline {
    font-size: var(--text-base);
    color: var(--cream-400);
    max-width: 600px;
    line-height: 1.6;
    margin: 0 auto var(--space-6);
}

/* Navigation Sections */
.nav-sections {
    margin-bottom: var(--space-12);
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.nav-link {
    display: inline-block;
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--cream-400);
    text-decoration: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left var(--transition-base);
}

.nav-link:hover {
    color: var(--zabal-primary);
    background: rgba(16, 185, 129, 0.05);
    transform: translateX(10px);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:focus {
    outline: 2px solid var(--zabal-primary);
    outline-offset: 2px;
}

/* Special styling for stream link */
.nav-link[href="#streaming-hub"] {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--zabal-warning);
    animation: pulse 2s infinite;
}

.nav-link[href="#streaming-hub"]:hover {
    background: rgba(239, 68, 68, 0.2);
    color: white;
}

/* Navigation Social */
.nav-social {
    margin-top: var(--space-8);
}

.social-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
}

.social-links a {
    font-size: var(--text-base);
    color: var(--cream-500);
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border: 1px solid rgba(224, 221, 170, 0.2);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--zabal-primary);
    border-color: var(--zabal-primary);
    background: rgba(16, 185, 129, 0.1);
}

/* Main Content Area */
.main-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    z-index: var(--z-fixed);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    opacity: 0;
}

.main-content.active {
    transform: translateX(0);
    opacity: 1;
}

/* Back Button */
.back-button {
    position: fixed;
    top: var(--space-6);
    left: var(--space-6);
    z-index: var(--z-tooltip);
    background: rgba(224, 221, 170, 0.1);
    border: 1px solid rgba(224, 221, 170, 0.2);
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-6);
    color: var(--cream-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.back-button:hover {
    background: rgba(224, 221, 170, 0.2);
    color: var(--cream-200);
    transform: translateX(-5px);
}

.back-button span {
    font-weight: 600;
    font-size: var(--text-sm);
}

/* Content Sections */
.content-section {
    padding: var(--space-20) var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.content-section.active {
    opacity: 1;
    transform: translateY(0);
}

.content-section h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--cream-100);
    margin-bottom: var(--space-12);
    text-align: center;
    position: relative;
}

.content-section h2::after {
    content: '';
    position: absolute;
    bottom: -var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--zabal-primary), var(--zabal-secondary));
    border-radius: var(--radius-full);
}

/* Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--zabal-primary);
    transform-origin: left;
    transform: scaleX(0);
    z-index: var(--z-tooltip);
}

/* Mobile Navigation Adjustments */
@media (max-width: 768px) {
    .nav-header h1 {
        font-size: var(--text-4xl);
    }
    
    .nav-header h3 {
        font-size: var(--text-xl);
    }
    
    .nav-link {
        font-size: var(--text-xl);
        padding: var(--space-2) var(--space-4);
    }
    
    .social-links {
        gap: var(--space-3);
    }
    
    .social-links a {
        font-size: var(--text-sm);
        padding: var(--space-1) var(--space-3);
    }
    
    .back-button {
        top: var(--space-4);
        left: var(--space-4);
        padding: var(--space-2) var(--space-4);
    }
    
    .content-section {
        padding: var(--space-16) var(--space-4);
    }
    
    .content-section h2 {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 480px) {
    .nav-header {
        margin-bottom: var(--space-8);
    }
    
    .nav-sections {
        margin-bottom: var(--space-8);
    }
    
    .nav-list {
        gap: var(--space-2);
    }
    
    .nav-link {
        font-size: var(--text-lg);
    }
    
    .nav-header .tagline {
        font-size: var(--text-sm);
    }
}

/* Keyboard Navigation Enhancement */
.keyboard-navigation .nav-link:focus {
    background: rgba(16, 185, 129, 0.1);
    color: var(--zabal-primary);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .nav-menu,
    .main-content,
    .content-section,
    .nav-link,
    .back-button {
        transition: none;
    }
    
    .nav-link[href="#streaming-hub"] {
        animation: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .nav-menu {
        background: #000;
        border: 2px solid #fff;
    }
    
    .nav-link {
        border: 1px solid currentColor;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background: #fff;
        color: #000;
    }
}