/* Navigation Bar Styles */

.header {
    position: sticky;
    top: 0;
    width: 100%;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 40px;
    max-width: 1440px;
    margin: 0 auto;
}

/* Logo */
.navbar-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-black);
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Navigation Links */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--text-base);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--color-gray-600);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-black);
}

/* CTA Button in Navbar */
.navbar-cta {
    margin-left: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: all var(--transition-base);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.mobile-menu .navbar-cta {
    margin-left: 0;
    margin-top: var(--spacing-md);
}

.mobile-menu .btn {
    width: 100%;
    text-align: center;
}

/* Sticky Header Effect */
.header.scrolled {
    box-shadow: var(--shadow-md);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 24px;
    }

    .navbar-nav {
        display: none;
    }

    .navbar-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .navbar-nav {
        gap: var(--spacing-md);
    }
}