.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: background-color var(--duration-base) var(--ease-out),
                border-color var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out),
                backdrop-filter var(--duration-base) var(--ease-out);
    animation: navDropIn 0.7s var(--ease-out);
}

@keyframes navDropIn {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navbar {
        animation: none;
    }
}

.navbar.is-scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--color-border);
    box-shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.12);
}

/* ---- Home page: transparent overlay navbar, hero background shows through ---- */
body.is-home .navbar {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
    box-shadow: none;
}

body.is-home .navbar.is-scrolled {
    background-color: var(--color-white);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--color-border);
    box-shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.12);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    transition: transform var(--duration-fast) var(--ease-out);
}

.navbar-brand:hover {
    transform: scale(1.03);
}

.navbar-logo {
    height: 36px;
    width: auto;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px;
}

.navbar-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-dark-2);
    transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

.navbar-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.navbar-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.navbar-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--color-dark-2);
    padding: 8px 0;
    position: relative;
    transition: color var(--duration-fast) var(--ease-out);
}

.navbar-link:hover {
    color: var(--color-primary);
}

.navbar-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 100%;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out);
}

.navbar-link:hover::after {
    transform: scaleX(1);
}

.navbar-link.is-active {
    color: var(--color-primary);
}

.navbar-link.is-active::after {
    transform: scaleX(1);
}

.navbar-caret {
    transition: transform var(--duration-fast) var(--ease-out);
}

.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle {
    background: none;
    border: none;
}

.navbar-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: var(--shadow-lift);
    padding: var(--space-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px) scale(0.98);
    transform-origin: top left;
    transition: opacity var(--duration-base) var(--ease-out),
                transform var(--duration-base) var(--ease-out),
                visibility var(--duration-base) var(--ease-out);
}

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

.navbar-dropdown:hover .navbar-caret,
.navbar-dropdown.is-open .navbar-caret {
    transform: rotate(180deg);
}

.navbar-dropdown-menu li a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: var(--text-small);
    color: var(--color-dark-2);
    transition: background-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
}

.navbar-dropdown-menu li a:hover,
.navbar-dropdown-menu li a.is-active {
    background-color: var(--color-accent-blue-bg);
    color: var(--color-primary);
    transform: translateX(2px);
}

.navbar-cta {
    white-space: nowrap;
    padding: 10px 20px;
    font-size: var(--text-small);
}

@media (max-width: 991px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        min-height: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-sm) var(--space-md) var(--space-md);
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        transition: max-height var(--duration-base) var(--ease-out),
                    visibility 0s linear var(--duration-base);
    }

    .navbar-menu.is-open {
        max-height: 80vh;
        overflow-y: auto;
        visibility: visible;
        transition: max-height var(--duration-base) var(--ease-out),
                    visibility 0s linear 0s;
    }

    .navbar-links {
        min-height: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .navbar-link {
        width: 100%;
        padding: 12px 0;
        justify-content: space-between;
    }

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

    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: var(--space-sm);
    }

    .navbar-dropdown.is-open .navbar-dropdown-menu {
        display: block;
    }

    .navbar-cta {
        margin-top: var(--space-sm);
        justify-content: center;
    }
}