/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(0px);
    box-shadow: none;
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
    opacity: 0;
    pointer-events: none;
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    opacity: 1;
    pointer-events: auto;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-logo-container {
    display: flex;
    align-items: center;
    min-width: 50px;
    min-height: 50px;
    transition: all 0.3s ease;
}

.nav-logo-container img {
    max-width: 50px;
    height: auto;
    transition: all 0.3s ease;
}

.navbar-logo-image {
    max-width: 90px;
    height: auto;
    display: block;
}

.logo-img {
    width: 50px;
    height: 50px;
    transition: transform var(--transition-base);
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    transition: color var(--transition-base);
}

.navbar.scrolled .logo-text h1 {
    color: var(--color-primary);
    text-shadow: none;
}

.logo-text .tagline {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    transition: color var(--transition-base);
}

.navbar.scrolled .logo-text .tagline {
    color: var(--color-text-secondary);
    text-shadow: none;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    position: relative;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.navbar.scrolled .nav-link {
    color: var(--color-text-primary);
    text-shadow: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-white);
    transition: width var(--transition-base), background-color var(--transition-base);
}

.navbar.scrolled .nav-link::after {
    background-color: var(--color-primary);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        max-width: 300px;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-xl);
        border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        transition: right var(--transition-base);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--color-gray-200);
    }

    .nav-link:last-child {
        border-bottom: none;
    }
}