/* Disable text/image selection to prevent unwanted effects during navigation */
* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* Navigation Bar - hidden by default, toggled by hamburger */
.nav-bar {
    position: fixed;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding-top: 60px;
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 12px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.nav-bar.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Hamburger button - always visible */
.nav-hamburger {
    display: flex;
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger animation when open */
.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

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

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-bar a {
    color: #ffffff;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-bar a:hover {
    background-color: rgba(248, 181, 0, 0.2);
    color: #f8b500;
}

.nav-bar a.active {
    background-color: rgba(248, 181, 0, 0.3);
    color: #f8b500;
}