/* Portfolio Now - Navigation Components
 * Header and navigation patterns extracted from landing page
 */

/* === HEADER COMPONENT === */

/* Fixed header with glass effect */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-soft);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

/* Header content container */
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* === LOGO COMPONENT === */

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: var(--font-weight-bold);
    color: var(--business-primary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.logo:hover {
    transform: scale(1.02);
    color: var(--business-secondary);
}

.logo-icon {
    width: clamp(32px, 6vw, 40px);
    height: clamp(32px, 6vw, 40px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Goedly Gradient Wordmark */
.logo-wordmark {
    font-size: 24px;
    font-weight: 800;
    font-feature-settings: 'kern' on;
    font-kerning: normal;
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, var(--business-primary) 0%, var(--business-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-wordmark::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        transparent 0%, 
        transparent 45%, 
        var(--business-secondary) 48%, 
        var(--business-secondary) 52%, 
        transparent 55%, 
        transparent 100%
    );
    background-size: 400% 400%;
    background-position: var(--scroll-position, 50%) var(--scroll-position, 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    pointer-events: none;
    transition: background-position 0.1s ease-out;
}

.logo .kern-oe { letter-spacing: -0.02em; }
.logo .kern-ly { letter-spacing: -0.01em; }

.logo-desc {
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.15em;
    opacity: 0.9;
    margin-left: 0.35rem;
    color: var(--text);
}

@media (max-width: 768px) {
    .logo-wordmark {
        font-size: 20px;
    }
    .logo-desc {
        font-size: 13px;
    }
}

/* === NAVIGATION MENU === */

.nav-links {
    display: flex;
    gap: clamp(var(--space-lg), 4vw, var(--space-2xl));
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    position: relative;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: clamp(0.875rem, 2.5vw, 1rem);
}

.nav-links a:hover {
    color: var(--business-primary);
    background: rgba(37, 99, 235, 0.05);
}

/* Navigation link underline effect */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--business-primary);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

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

/* === MOBILE MENU === */

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.mobile-menu-toggle:hover {
    background: var(--bg-secondary);
    color: var(--business-primary);
}

/* Mobile menu styles */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-2xl) var(--space-lg);
        gap: var(--space-lg);
        transform: translateY(-100vh);
        transition: transform var(--transition-normal);
        border-bottom: 1px solid var(--border-soft);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: var(--space-md);
        border-radius: var(--radius-lg);
    }

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

/* === NAVIGATION VARIANTS === */

/* Transparent header for hero sections */
.header-transparent {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-transparent .logo {
    color: var(--text-light);
}

.header-transparent .nav-links a {
    color: var(--text-light);
}

.header-transparent .nav-links a:hover {
    color: var(--business-primary);
    background: rgba(255, 255, 255, 0.1);
}

.header-transparent .mobile-menu-toggle {
    color: var(--text-light);
}

/* Dark header variant */
.header-dark {
    background: rgba(17, 24, 39, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-dark .logo {
    color: var(--text-light);
}

.header-dark .nav-links a {
    color: var(--text-light);
}

.header-dark .nav-links a:hover {
    color: var(--business-primary);
    background: rgba(255, 255, 255, 0.1);
}

.header-dark .mobile-menu-toggle {
    color: var(--text-light);
}

/* === BREADCRUMB NAVIGATION === */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: var(--business-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--business-secondary);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* === ACCESSIBILITY === */

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--business-primary);
    color: var(--text-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: var(--z-tooltip);
    transition: var(--transition-fast);
}

.skip-to-content:focus {
    top: 6px;
}

/* Focus styles */
.nav-links a:focus-visible,
.mobile-menu-toggle:focus-visible,
.logo:focus-visible {
    outline: 2px solid var(--business-primary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .header,
    .logo,
    .nav-links a,
    .mobile-menu-toggle,
    .nav-links {
        transition: none;
    }
    
    .logo:hover {
        transform: none;
    }
}

/* High contrast support */
@media (prefers-contrast: high) {
    .header {
        border-bottom-width: 2px;
        border-bottom-color: var(--text);
    }
    
    .nav-links a {
        border: 1px solid transparent;
    }
    
    .nav-links a:hover {
        border-color: var(--business-primary);
    }
}