/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.5s ease;
    background-color: transparent;
    /* Default transparent */
}

/* Scrolled State */
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Dark Hero Page State (Initial) */
body.has-dark-hero .navbar:not(.scrolled) {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent);
}

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

.logo-img {
    height: 3.5rem;
    /* Adjust as needed */
    width: auto;
    transition: filter 0.3s ease;
}

/* Invert logo for dark backgrounds (white text equivalent) */
body.has-dark-hero .navbar:not(.scrolled) .logo-img {
    filter: brightness(0) invert(1);
}

/* Desktop Links */
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    font-family: var(--font-body);
    /* or sans-serif */
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

/* Default Link Color (Dark) */
.nav-links a {
    color: var(--color-text-muted);
    /* or whatever dark color */
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

/* Light Link Color (on dark hero) */
body.has-dark-hero .navbar:not(.scrolled) .nav-links a {
    color: rgba(255, 255, 255, 0.8);
}

body.has-dark-hero .navbar:not(.scrolled) .nav-links a:hover,
body.has-dark-hero .navbar:not(.scrolled) .nav-links a.active {
    color: white;
}

/* Underline Animation */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-links a.active::after {
    width: 100%;
}

body.has-dark-hero .navbar:not(.scrolled) .nav-links a::after {
    background-color: white;
}


/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    color: var(--color-primary);
}

body.has-dark-hero .navbar:not(.scrolled) .menu-toggle {
    color: white;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: white;
    z-index: 999;
    padding: 6rem 2rem;
    transform: translateY(-100%);
    transition: transform 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-menu-overlay.open {
    transform: translateY(0);
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-text-muted);
    text-decoration: none;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s ease;
}

.mobile-menu-overlay.open .mobile-nav-link {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delays for mobile links */
.mobile-menu-overlay.open .mobile-nav-link:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu-overlay.open .mobile-nav-link:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu-overlay.open .mobile-nav-link:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-menu-overlay.open .mobile-nav-link:nth-child(4) {
    transition-delay: 0.4s;
}

.mobile-menu-overlay.open .mobile-nav-link:nth-child(5) {
    transition-delay: 0.5s;
}

.mobile-nav-link.active {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}