.site-navbar-wrap {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    padding-top: 16px;
}

.site-navbar {
    padding: 16px 0;
    border-radius: 28px;
    background: transparent;
    transition:
        background 0.3s ease,
        box-shadow 0.3s ease,
        padding 0.3s ease,
        transform 0.3s ease;
}

body:not(.home-page) .site-navbar {
    padding: 14px 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05)),
        linear-gradient(135deg, rgba(12, 16, 32, 0.78), rgba(26, 26, 46, 0.72));
    box-shadow:
        0 18px 48px rgba(0, 0, 0, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.site-navbar.navbar-scrolled {
    padding: 12px 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
        linear-gradient(135deg, rgba(18, 22, 40, 0.78), rgba(26, 26, 46, 0.74));
    box-shadow:
        0 20px 54px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(155%);
    -webkit-backdrop-filter: blur(20px) saturate(155%);
    border: 1px solid rgba(255, 255, 255, 0.13);
}

.navbar-brand img {
    max-height: 48px;
    width: auto;
}

.navbar-nav {
    align-items: center;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    position: relative;
    border: 0;
    background: transparent;
    color: #fff;
    border-radius: 999px;
    font-weight: 600;
    padding: 0.75rem 1rem;
    transition:
        color 0.25s ease,
        opacity 0.25s ease,
        background 0.25s ease,
        transform 0.25s ease;
}

.nav-link,
.nav-link:hover,
.nav-link:focus,
.nav-link:active {
    color: #fff;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.3rem;
    height: 2px;
    background: var(--color-primary);
    opacity: 1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

/* .nav-link:hover,
.nav-link.is-active,
.dropdown.open > .dropdown-toggle {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
} */

.nav-link:hover::after,
.nav-link.is-active::after,
.dropdown.open > .dropdown-toggle::after {
    transform: scaleX(1);
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.dropdown-arrow {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.74rem;
    line-height: 1;
    transition:
        transform 0.25s ease,
        color 0.25s ease;
}

.dropdown.open > .dropdown-toggle .dropdown-arrow,
.dropdown:hover > .dropdown-toggle .dropdown-arrow {
    color: #fff;
}

.dropdown.level-1.open > .dropdown-toggle .dropdown-arrow,
.dropdown.level-1:hover > .dropdown-toggle .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown:not(.level-1).open > .dropdown-toggle .dropdown-arrow,
.dropdown:not(.level-1):hover > .dropdown-toggle .dropdown-arrow {
    transform: translateX(2px);
}

/* ── Level-1 dropdown panel (opens below the trigger) ── */
.dropdown-panel {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 248px;
    list-style: none;
    padding: 10px;
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
        linear-gradient(135deg, rgba(10, 14, 28, 0.8), rgba(24, 26, 44, 0.74));
    border: 1px solid rgba(255, 255, 255, 0.13);
    box-shadow:
        0 28px 64px rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(22px) saturate(155%);
    -webkit-backdrop-filter: blur(22px) saturate(155%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.98);
    transform-origin: top left;
    transition:
        opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
        visibility 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    /* stacking context */
    z-index: 10;
}

.dropdown.open > .dropdown-panel,
.dropdown:hover > .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* ── Nav items inside panels ── */
.dropdown-panel .nav-item {
    display: block;
    width: 100%;
    position: relative;
}

/* Tree-style connector lines for nested items (level 3+) */
.dropdown-panel .dropdown-panel .nav-item::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    width: 10px;
    height: 1px;
    background: rgba(255, 255, 255, 0.14);
    pointer-events: none;
}

.dropdown-panel .dropdown-panel .nav-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: -2px;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

/* ── Links inside panels ── */
.dropdown-panel .nav-link {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 14px;
    padding: 0.78rem 0.9rem;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.82);
    transition:
        color 0.18s ease,
        background 0.18s ease,
        padding-left 0.18s ease;
}

.dropdown-panel .nav-link:hover,
.dropdown-panel .nav-link.is-active {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
    padding-left: 1.1rem;
}

.dropdown-panel .nav-link::after {
    display: none;
}

/* Has-children indicator dot for parent items in panel */
.dropdown-panel .dropdown > .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* ── Nested sub-panels (level 2+, open to the right) ── */
.dropdown-panel .dropdown-panel {
    top: -10px;
    left: calc(100% + 8px);
    transform: translateX(8px) scale(0.98);
    transform-origin: top left;
    border-radius: 20px;
    z-index: 20;
}

.dropdown-panel .dropdown.open > .dropdown-panel,
.dropdown-panel .dropdown:hover > .dropdown-panel {
    transform: translateX(0) scale(1);
}

/* ── Open-left: panel flips left when near right edge ── */
.dropdown-panel.open-left {
    left: auto;
    right: 0;
    transform-origin: top right;
    transform: translateY(10px) scale(0.98);
}

.dropdown.open > .dropdown-panel.open-left,
.dropdown:hover > .dropdown-panel.open-left {
    transform: translateY(0) scale(1);
}

/* Sub-panel open-left (nested) */
.dropdown-panel .dropdown-panel.open-left {
    left: auto;
    right: calc(100% + 8px);
    transform-origin: top right;
    transform: translateX(-8px) scale(0.98);
}

.dropdown-panel .dropdown.open > .dropdown-panel.open-left,
.dropdown-panel .dropdown:hover > .dropdown-panel.open-left {
    transform: translateX(0) scale(1);
}

/* ── Subtle depth cue: deeper panels get slightly darker bg ── */
.dropdown-panel .dropdown-panel {
    background: rgba(8, 12, 26, 0.98);
}

.dropdown-panel .dropdown-panel .dropdown-panel {
    background: rgba(5, 9, 22, 0.99);
}

/* ── Section dividers between groups (optional, JS can add class) ── */
.dropdown-panel .panel-divider {
    height: 1px;
    margin: 6px 4px;
    background: rgba(255, 255, 255, 0.07);
    border: none;
    list-style: none;
}

/* ── Hover-reveal chevron for sub-menu parents ── */
.dropdown-panel .dropdown-arrow {
    font-size: 0.68rem;
    opacity: 0.5;
    transition:
        opacity 0.18s ease,
        transform 0.18s ease;
}

.dropdown-panel .dropdown:hover > .nav-link .dropdown-arrow,
.dropdown-panel .dropdown.open > .nav-link .dropdown-arrow {
    opacity: 1;
    transform: translateX(3px);
}

.hamburger-btn {
    width: 56px;
    height: 56px;
    border: 0;
    border-radius: 18px;
    padding: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.1),
        0 10px 22px rgba(0, 0, 0, 0.18);
    transition:
        background 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.hamburger-btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.12);
}

.hamburger-btn svg {
    height: 2.6em;
    transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-btn .line {
    fill: none;
    stroke: white;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 3;
    transition:
        stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
        stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-btn .line-top-bottom {
    stroke-dasharray: 12 63;
}

.hamburger-btn.is-active svg {
    transform: rotate(-45deg);
}

.hamburger-btn.is-active .line-top-bottom {
    stroke-dasharray: 20 300;
    stroke-dashoffset: -32.42;
}

@media (max-width: 991.98px) {
    .site-navbar-wrap {
        padding-top: 12px;
    }

    .hamburger-btn {
        display: inline-flex;
    }

    .site-navbar {
        padding: 12px 0;
        border-radius: 24px;
        background: rgba(12, 16, 32, 0.94);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 18px 46px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(16px);
    }

    .site-navbar.navbar-scrolled {
        padding: 12px 0;
    }

    #navMenu {
        margin: 14px 8px 4px;
        padding: 14px;
        border-radius: 24px;
        background: linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.08),
            rgba(255, 255, 255, 0.04)
        );
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    #navMenu:not(.show) {
        display: none;
    }

    .navbar-nav {
        align-items: stretch !important;
        gap: 0.25rem !important;
    }

    .nav-link,
    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        text-align: left;
        padding: 0.95rem 1rem;
        border-radius: 18px;
    }

    .nav-link::after {
        display: none;
    }

    .dropdown-panel,
    .dropdown-panel .dropdown-panel {
        position: static;
        min-width: 100%;
        margin-top: 6px;
        padding: 6px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        opacity: 1;
        visibility: visible;
        transform: none !important;
        transform-origin: unset;
        display: none;
        z-index: auto;
    }

    /* Tree connector lines — hide on mobile */
    .dropdown-panel .dropdown-panel .nav-item::before,
    .dropdown-panel .dropdown-panel .nav-item::after {
        display: none;
    }

    .dropdown.open > .dropdown-panel,
    .dropdown:hover > .dropdown-panel {
        display: block;
    }

    .dropdown-panel .dropdown-panel {
        margin-left: 10px;
        margin-top: 6px;
        background: rgba(255, 255, 255, 0.04);
    }

    .dropdown-panel .dropdown-panel .dropdown-panel {
        margin-left: 10px;
    }

    .dropdown-panel .nav-link {
        padding: 0.82rem 0.9rem;
    }

    .dropdown.open > .dropdown-toggle {
        background: rgba(255, 255, 255, 0.08);
    }
}