/* CardNav Component Styles */
:root {
    /* Inherit from main style.css effectively */
    --card-nav-bg: #ffffff;
    --card-nav-border: rgba(26, 46, 73, 0.1);
    --card-nav-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --card-nav-width: 90%;
    --card-nav-max-width: 600px;
    /* Bit smaller than 800px for elegance */
    --card-nav-z: 9999;
}

.card-nav-container {
    position: fixed;
    /* Changed to fixed to stay on top */
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: var(--card-nav-width);
    max-width: var(--card-nav-max-width);
    z-index: var(--card-nav-z);
    box-sizing: border-box;
    font-family: var(--font-body, "Noto Sans", sans-serif);
}

.card-nav {
    display: block;
    height: 60px;
    padding: 0;

    /* Ultra-Glassy "Crystal" Style */
    /* More transparent background for clearer visibility behind */
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.1) 0%,
            rgba(255, 255, 255, 0.05) 100%);

    /* Reduced blur, boosted saturation & brightness for "shiny" effect */
    backdrop-filter: blur(5px) saturate(200%) brightness(1.2) contrast(1.1);
    -webkit-backdrop-filter: blur(5px) saturate(200%) brightness(1.2) contrast(1.1);

    /* "Distorted/Refracted" Edge Simulation via Borders & Shadows */
    border: 1px solid rgba(255, 255, 255, 0.6);
    /* Brighter outer rim */
    box-shadow:
        /* Deep external shadow */
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        /* Prism/Refraction effect on edges */
        inset 1px 1px 0 0 rgba(255, 255, 255, 0.8),
        inset -1px -1px 0 0 rgba(255, 255, 255, 0.3),
        inset 0 0 20px rgba(255, 255, 255, 0.2);

    border-radius: 12px;
    position: relative;
    overflow: hidden;
    will-change: height;
}

.card-nav-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 2;
    background: transparent;
}

/* Hamburger Menu */
.hamburger-menu {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    gap: 5px;
    width: 40px;
    z-index: 10;
}

.hamburger-menu:hover .hamburger-line {
    background-color: var(--color-accent, #64d2ff);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary, #1a2e49);
    transition: transform 0.25s ease, opacity 0.2s ease, margin 0.3s ease, background-color 0.3s ease;
    transform-origin: 50% 50%;
    border-radius: 2px;
}

.hamburger-menu.open .hamburger-line:first-child {
    transform: translateY(3.5px) rotate(45deg);
}

.hamburger-menu.open .hamburger-line:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Logo */
.logo-container {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading, "Fjalla One", sans-serif);
    font-size: 1.2rem;
    color: var(--color-primary, #1a2e49);
    font-weight: bold;
    letter-spacing: 1px;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    /* Added for anchor tag */
}

.logo-container .dot {
    color: var(--color-accent, #64d2ff);
}

/* CTA Button */
.card-nav-cta-button {
    background-color: var(--color-primary, #1a2e49);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-nav-cta-button:hover {
    background-color: var(--color-accent, #64d2ff);
    transform: translateY(-1px);
}

/* Content Area */
.card-nav-content {
    position: absolute;
    left: 0;
    right: 0;
    top: 60px;
    padding: 12px;
    display: flex;
    align-items: stretch;
    /* Stretch cards to equal height */
    gap: 12px;
    visibility: hidden;
    /* Hidden initially, GSAP handles this */
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    /* Handled by GSAP */
}

.card-nav.open .card-nav-content {
    pointer-events: auto;
}

/* Nav Cards */
.nav-card {
    flex: 1;
    min-width: 0;
    border-radius: 8px;
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    user-select: none;
    transition: transform 0.2s ease;
    min-height: 180px;
    /* Ensure some height for content */
}

.nav-card:hover {
    transform: translateY(-2px);
}

.nav-card-label {
    font-family: var(--font-heading, "Fjalla One", sans-serif);
    font-weight: 400;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    margin-bottom: auto;
    opacity: 0.9;
}

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

.nav-card-link {
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: inherit;
    opacity: 0.8;
}

.nav-card-link:hover {
    opacity: 1;
    font-weight: 500;
}

.nav-card-link-icon {
    font-size: 0.8em;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .card-nav-container {
        width: 94%;
        top: 15px;
    }

    .card-nav-top {
        padding: 0 12px;
    }

    .logo-container {
        font-size: 1rem;
        position: static;
        transform: none;
        margin-left: auto;
        margin-right: auto;
    }

    .hamburger-menu {
        position: absolute;
        left: 12px;
    }

    .card-nav-cta-button {
        display: none !important;
    }

    .card-nav-content {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
        /* Height will be calculated via JS */
    }

    .nav-card {
        min-height: auto;
        padding: 15px;
        gap: 10px;
    }

    .nav-card-label {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }

    .nav-card-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }
}