/* Navbar Container */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--content-background-color);
    top: 0;
    position: sticky;
    z-index: 1000;
    box-shadow: 0 4px 5px rgba(0, 0, 0, 0.35);
}

/* Navbar Brand (Logo and Text) */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    user-select: none;
    pointer-events: none;
}

.navbar-brand .logo {
    height: 45px;
    width: auto;
}

.navbar-brand .text {
    color: var(--text-primary-color);
    font-size: 24px;
    margin-left: 4px;
}

/* Hamburger Menu Button */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hamburger Animation - Simple X */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Desktop Navigation Links */
.navbar ul {
    display: flex;
    list-style: none;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.navbar ul li a {
    color: var(--text-primary-color);
    text-decoration: none;
    white-space: nowrap;
    font-size: 20px;
    padding: 8px 12px;
    -webkit-user-drag: none;
    position: relative;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Underline for all states */
.navbar ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background-color: var(--nav-underline-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
    will-change: transform;
    backface-visibility: hidden;
}

/* Hover effect - only for non-active links */
.navbar ul li a:hover::after {
    transform: scaleX(1);
}

/* Active state - always show underline without animation */
.navbar ul li a.active::after {
    transform: none !important;
    width: 100%;
    opacity: 1 !important;
}

/* Make active link text different color (optional) */
.navbar ul li a.active {
    color: var(--nav-underline-color);
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .navbar {
        padding: 25px 20px;
    }

    .navbar-brand .logo {
        height: 60px;
    }

    .navbar-brand .text {
        font-size: 28px;
    }

    /* Show hamburger on mobile */
    .hamburger {
        display: flex !important;
        padding: 15px;
    }

    /* Make hamburger bigger */
    .hamburger span {
        width: 35px;
        height: 5px;
        margin: 5px 0;
    }

    /* Mobile hamburger X */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Hide desktop menu, show mobile menu */
    .navbar ul {
        position: fixed;
        left: -100%;
        top: 110px;
        flex-direction: column;
        background-color: var(--content-background-color);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        padding: 30px 0;
        gap: 0;
    }

    .navbar ul.active {
        left: 0;
    }

    .navbar ul li {
        margin: 20px 0;
        width: 100%;
    }

    .navbar ul li a {
        font-size: 28px;
        padding: 20px 20px;
        display: inline-block;
        width: auto;
        box-sizing: border-box;
    }

    /* Mobile-specific underline styling */
    .navbar ul li a::after {
        left: 50%;
        transform-origin: center;
        transform: translateX(-50%) scaleX(0);
        width: calc(100% + 20px);
    }

    .navbar ul li a:hover::after {
        transform: translateX(-50%) scaleX(1);
    }

    .navbar ul li a.active::after {
        transform: translateX(-50%) !important;
        width: calc(100% + 20px) !important;
    }
}

/* Larger mobile screens */
@media (max-width: 1024px) and (min-width: 480px) {
    .navbar-brand .logo {
        height: 70px;
    }

    .navbar-brand .text {
        font-size: 32px;
    }

    .navbar ul li a {
        font-size: 30px;
        display: inline-block;
        width: auto;
    }

    /* Larger mobile underline styling */
    .navbar ul li a::after {
        left: 50%;
        transform-origin: center;
        transform: translateX(-50%) scaleX(0);
        width: calc(100% + 20px);
    }

    .navbar ul li a:hover::after {
        transform: translateX(-50%) scaleX(1);
    }

    .navbar ul li a.active::after {
        transform: translateX(-50%) !important;
        width: calc(100% + 20px) !important;
    }

    .hamburger span {
        width: 40px;
        height: 6px;
        margin: 5px 0;
    }

    /* Larger mobile hamburger X - 40px width, 6px height, 5px margin */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(12px, 11px);
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(12px, -11px);
    }
}