/**
 * Navigation Styles
 * =====================================
 * Header navigation and menu overlay
 */

/* Skip link for accessibility */

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0px;
    z-index: 999999;
    --tw-bg-opacity: 1;
    background-color: rgb(0 0 0 / var(--tw-bg-opacity, 1));
    padding: 1rem;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    text-decoration-line: none;
}

.skip-link:focus {
    left: 0px;
}

.sr-only {
    position: absolute;
    margin: -1px;
    height: 1px;
    width: 1px;
    overflow: hidden;
    white-space: nowrap;
    border-width: 0px;
    padding: 0px;
    clip: rect(0, 0, 0, 0);
}

/* Site header */

.site-header {
    pointer-events: none;
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    z-index: 1000;
}

/* Homepage navigation */

.site-header .main-navigation {
    pointer-events: auto;
}

/* Hamburger menu button - top left */

.menu-toggle {
    position: fixed;
    z-index: 1001;
    display: flex;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    top: 2rem;
    left: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.3);
    gap: 0.375rem;
    width: 3.5rem;
    height: 3.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
}

.menu-toggle:hover {
    --tw-scale-x: 1.1;
    --tw-scale-y: 1.1;
    transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));
    animation: neon-glow 5s linear infinite;
}

.menu-toggle:focus {
    outline-style: solid;
    outline-width: 2px;
    outline-offset: 2px;
    outline-color: #fff;
}

/* Hamburger icon lines */

.menu-icon {
    display: block;
    border-radius: 0.125rem;
    width: 1.5rem;
    height: 2px;
    background: #fff;
    transition: all 0.3s ease;
}

/* Menu overlay */

.menu-overlay {
    position: fixed;
    top: 0px;
    left: 0px;
    display: none;
    height: 100%;
    width: 100%;
    padding: 2rem;
    opacity: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

/* Close button */

.menu-close {
    position: absolute;
    display: flex;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    top: 2rem;
    right: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 3.5rem;
    height: 3.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
}

.menu-close:hover {
    --tw-scale-x: 1.1;
    --tw-scale-y: 1.1;
    transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));
    animation: neon-glow 5s linear infinite;
}

.close-icon {
    position: relative;
    width: 1.5rem;
    height: 1.5rem;
}

.close-icon::before,
.close-icon::after {
    position: absolute;
    left: 0px;
    width: 100%;
    border-radius: 0.125rem;
    content: '';
    top: 50%;
    height: 2px;
    background: #fff;
}

.close-icon::before {
    transform: translateY(-50%) rotate(45deg);
}

.close-icon::after {
    transform: translateY(-50%) rotate(-45deg);
}

/* Menu list */

.menu-list {
    margin: 0px;
    list-style-type: none;
    padding: 0px;
    text-align: center;
}

.menu-list li {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.menu-list a {
    position: relative;
    display: inline-block;
    font-size: 2rem;
    font-weight: 400;
    text-transform: uppercase;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    text-decoration-line: none;
    letter-spacing: 0.2rem;
    transition: all 0.3s ease;
}

.menu-list a::after {
    position: absolute;
    content: '';
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #ff00ff, #00ffff);
    transition: transform 0.3s ease;
}

.menu-list a:hover,
.menu-list a:focus {
    color: #00ffff;
}

.menu-list a:hover::after,
.menu-list a:focus::after {
    transform: translateX(-50%) scaleX(1);
}

/* Responsive adjustments */

@media (max-width: 768px) {
    .menu-toggle {
        top: 1rem;
        left: 1rem;
        width: 3rem;
        height: 3rem;
    }
    
    .menu-icon {
        width: 1.25rem;
    }
    
    .menu-close {
        top: 1rem;
        right: 1rem;
        width: 3rem;
        height: 3rem;
    }
    
    .menu-list a {
        font-size: 1.5rem;
        line-height: 2rem;
    }
}

/* Non-homepage header styles */

body:not(.home) .site-header {
    pointer-events: auto;
    position: relative;
    --tw-bg-opacity: 1;
    background-color: rgb(0 0 0 / var(--tw-bg-opacity, 1));
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body:not(.home) .site-branding {
    margin-bottom: 1rem;
    text-align: center;
}

body:not(.home) .site-title a {
    font-size: 2rem;
    text-transform: uppercase;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    text-decoration-line: none;
}

body:not(.home) .site-description {
    margin-top: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
}