/* Enhanced Navigation - Desktop Only */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(71, 101, 115, 0.3); /* Gray-Blue semitransparent */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    height: var(--header-height);
    transition: var(--transition-normal);
}
.navbar.scrolled {
    height: 70px;
    background: rgba(71, 101, 115, 0.6); /* More opaque when scrolled */
}

.navbar-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

@media (max-width: 992px) {
    .navbar-content {
        padding: 0 2rem;
    }
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    z-index: 1001;
    text-decoration: none;
}

.navbar-logo:hover {
    transform: scale(1.02);
}

.navbar-logo img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.navbar-logo span {
    font-weight: 800;
    color: white;
    font-size: 1.25rem; /* Compensated to match previous absolute size */
    letter-spacing: -0.5px;
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
    position: relative;
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 0.85rem; /* Compensated to match previous absolute size */
    letter-spacing: 0.01em;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), white);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar .curve-divider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; /* Match navbar size */
    pointer-events: none;
    z-index: -1;
    overflow: visible; /* Let the wavy bottom stick out if needed, or we just fit it */
}

.navbar .curve-divider svg {
    height: calc(100% + 40px); /* Extend slightly below to show the wave */
    width: 100%;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1));
}

.navbar .curve-divider .shape-fill {
    fill: rgba(111, 149, 158, 0.45); /* Soft-Blue semitransparent teal */
    transition: var(--transition-normal);
}

.navbar.scrolled .curve-divider .shape-fill {
    fill: rgba(111, 149, 158, 0.75); /* More opaque soft-blue when scrolled */
}

/* Navigation Responsiveness */
@media (max-width: 768px) {
    .navbar {
        background: rgba(71, 101, 115, 0.85); /* More opaque background to allow reduced blur */
        backdrop-filter: blur(8px); /* Significantly reduced from 20px for mobile performance */
        -webkit-backdrop-filter: blur(8px);
    }
    
    .navbar.scrolled {
        background: rgba(71, 101, 115, 0.95);
    }

    .navbar .curve-divider .shape-fill {
        fill: rgba(111, 149, 158, 0.8); /* Slightly more opaque divider for mobile */
    }

    .navbar-content {
        padding: 0 1.5rem;
    }

    .navbar-nav {
        display: none; /* Hide desktop nav on mobile */
    }

    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1002;
    }

    .menu-toggle span {
        width: 100%;
        height: 3px;
        background-color: white;
        border-radius: 3px;
        transition: var(--transition-normal);
    }

    /* Animate hamburger to X */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .mobile-nav {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--primary-dark);
        z-index: 1000;
        padding-top: calc(var(--header-height) + 2rem);
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        overflow-y: auto;
    }

    .mobile-nav.active {
        transform: translateX(0);
    }

    .mobile-nav-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 2rem;
        gap: 1.5rem;
    }

    .mobile-nav .nav-link {
        font-size: 1.25rem;
        width: 100%;
        justify-content: center;
        padding: 1rem;
        border-radius: var(--border-radius-md);
        background: rgba(255, 255, 255, 0.05);
    }

    .mobile-nav .nav-link:hover,
    .mobile-nav .nav-link.active {
        background: rgba(255, 255, 255, 0.1);
        color: var(--accent);
    }
}

/* Fallback for desktop if JS doesn't hide it or for accessibility */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }

    .mobile-nav {
        display: none;
    }
}