/* Root Variables */
:root {
    --bg-header: rgba(0, 0, 0, 0.9);
    --text-light: #ffffff;
    --color-primary: #d269e6;
    --color-secondary: #ff3131;
    --color-accent: #ffd700;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --radius-full: 50px;
    --font-md: 1rem;
    --font-xl: 1.5rem;
    --container-width: 1400px;
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.3);
    --transition-fast: all 0.3s ease;
}

/* Navbar Container */
header {
    background-color: var(--bg-header);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

/* Header Container */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: var(--spacing-sm) 0;
}

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

.svg-logo {
    width: 60px;
    height: 60px;
    transition: var(--transition-fast);
}

.logo-text {
    font-weight: 900;
    font-size: var(--font-xl);
    margin-left: var(--spacing-md);
    color: var(--color-accent);
    transition: color 0.3s ease;
    letter-spacing: 1px;
}

.logo-container:hover .logo-text {
    color: var(--color-primary);
}

/* Navbar Links */
nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-md);
    letter-spacing: 0.5px;
}

nav a:hover {
    background: linear-gradient(45deg, rgba(210, 105, 230, 0.2), rgba(255, 49, 49, 0.2));
    color: var(--color-accent);
    transform: translateY(-2px);
}

nav a.disabled {
    pointer-events: none;
    color: #aaa;
    cursor: not-allowed;
    text-decoration: none;
}

/* Menu Toggle Button */
.menu-toggle {
    display: none; /* Hide by default */
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.8rem;
    cursor: pointer;
    margin-left: auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .menu-toggle {
        display: block; /* Show on smaller screens */
    }

    nav ul {
        display: none; /* Hide menu by default */
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        align-items: flex-start;
        background-color: var(--bg-header);
        padding: var(--spacing-md);
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 999;
        overflow-y: auto; /* Allow scrolling if menu items exceed screen height */
        max-height: 80vh; /* Limit menu height */
    }

    nav ul.active {
        display: flex; /* Show menu when active */
    }

    nav a {
        width: 100%;
        text-align: left;
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .svg-logo {
        width: 50px;
        height: 50px;
    }

    .logo-text {
        font-size: var(--font-md);
    }

    nav a {
        font-size: 0.9rem;
        padding: var(--spacing-sm);
    }
}