/* ============================================
   Navbar Component
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    height: 68px;
}

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

.navbar__logo img {
    height: 48px;
    transition: height var(--transition-base);
}
.navbar.scrolled .navbar__logo img {
    height: 40px;
}

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

.navbar__link {
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.navbar.scrolled .navbar__link {
    color: var(--color-dark);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: width var(--transition-base);
}
.navbar__link:hover::after,
.navbar__link.active::after {
    width: 100%;
}
.navbar__link:hover {
    color: var(--color-secondary);
}

.navbar__link--dropdown {
    display: flex;
    align-items: center;
    gap: 4px;
}
.navbar__link--dropdown .arrow {
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
}
.navbar__link--dropdown:hover .arrow {
    transform: rotate(180deg);
}

.navbar__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--color-accent);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.navbar__link--dropdown:hover .navbar__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.navbar__dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.7rem var(--space-md);
    font-size: var(--fs-small);
    color: var(--color-dark);
    transition: all var(--transition-fast);
}
.navbar__dropdown-item:hover {
    background: var(--color-light-bg);
    color: var(--color-secondary);
    padding-left: calc(var(--space-md) + 5px);
}

.navbar__cta {
    margin-left: var(--space-sm);
}

/* Hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: calc(var(--z-overlay) + 1);
}
.navbar__hamburger span {
    display: block;
    width: 28px;
    height: 2.5px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: all var(--transition-base);
}
.navbar.scrolled .navbar__hamburger span {
    background: var(--color-dark);
}
.navbar__hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.navbar__hamburger.open span:nth-child(2) {
    opacity: 0;
}
.navbar__hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Nav */
@media (max-width: 1024px) {
    .navbar__hamburger { display: flex; }
    .navbar__links {
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        width: 80vw;
        max-width: 80vw;
        height: 100vh;
        background: var(--color-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--nav-height) + var(--space-md)) var(--space-lg) var(--space-lg);
        gap: 0;
        transition: transform var(--transition-slow);
        overflow-y: auto;
        transform: translateX(100%);
    }
    .navbar__links.open {
        transform: translateX(0);
    }
    .navbar__link {
        color: var(--color-accent) !important;
        padding: var(--space-sm) 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        font-size: var(--fs-body);
    }
    .navbar__link--dropdown {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: var(--space-sm) 0 !important;
    }
    .navbar__link--dropdown .arrow {
        display: none;
    }
    .navbar__dropdown {
        position: static !important;
        transform: none !important;
        left: 0 !important;
        background: rgba(255,255,255,0.05);
        box-shadow: none;
        opacity: 1 !important;
        visibility: visible !important;
        display: block;
        padding: 0;
        min-width: 100%;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        border-radius: 12px;
        margin-top: 5px;
        transition: max-height var(--transition-slow), padding var(--transition-slow);
    }
    .navbar__link--dropdown.open .navbar__dropdown {
        max-height: 400px;
        padding: var(--space-sm) 0;
    }
    .navbar__dropdown-item {
        color: var(--color-gray-light);
        padding: var(--space-sm) 0 var(--space-sm) var(--space-sm);
        word-wrap: break-word;
        white-space: normal;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .navbar__cta { margin-left: 0; margin-top: var(--space-sm); }
    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: calc(var(--z-sticky) - 1);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    .mobile-overlay.open {
        opacity: 1;
        visibility: visible;
    }
}