#header {
    max-height: 4.814rem !important;
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
    padding-right: 0px !important;
    padding-left: 0px !important;
    margin: 0 !important;
}

#mainNav { 
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

#header .navbar-brand-image img {
    max-width: 36px !important;
    margin-top: 0.4rem !important;
    margin-left: 0.5rem !important;
}

.navbar-brand-text {
    margin-left: -8.75rem !important;
    margin-top: -0.625rem !important;
}

.navbar-brand-text-kursbuch {
    margin-left: -5.0rem !important;
    margin-top: -0.625rem !important;
}

.navbar-brand-text a, .navbar-brand-text-kursbuch a {
    font-weight: 700 !important;
    font-size: var(--text-xl) !important;
    letter-spacing: 0.02em;
    color: var(--color-gray-900) !important;
    text-decoration: none;
    text-transform: uppercase !important;
    margin-left: 1rem;
}

.navbar-toggler {
    border: none;
    margin-top: -0.5rem !important;
}

#header .nav-link {
    padding: 1rem;
}

.navbar-nav .nav-link {
    margin-right: 0.5rem;
}

.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus, .navbar-nav .nav-link:active {
    color: var(--color-gray-900);
    background-color: #dee4e566;
    border-radius: 8px;
}

#loginBtn {
    padding: 1rem 1.5rem;
    background-color: #00267fdd;
}

#loginBtn:hover, #loginBtn:focus, #loginBtn:active {
    background-color: #00267f;
}

#logo-kursbuch img {
    width: 50px;
    height: auto;
}

#footer {
    padding: var(--space-24) var(--container-padding) var(--space-12) !important;
    background-color: var(--color-gray-900) !important;
    color: var(--color-gray-400) !important;
}

#brand-info .content-hyperlink {
    display: inline-block;
}

#brand-info img {
    max-width: 150px;
    height: auto;
    margin-bottom: var(--space-4);
    margin-left: -30px;
}

#brand-info a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-2xl);
    padding-left: 2rem;
    text-transform: uppercase;


}

.nav-footer .heading {
    font-weight: 700;
    font-size: var(--text-1xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    text-transform: uppercase;
}

.nav-footer .nav-link {
    color: var(--color-gray-400);
    font-size: var(--text-base);
    margin: var(--space-1);
    padding: var(--space-1);
    display: block;
    background: none !important;
    background-color: none !important;

}

.nav-footer a:hover, .nav-footer a:focus, .nav-footer a:active {
    text-decoration: none !important;
}

@media screen and (max-width: 765px) {
    
    #navbarCollapse {
        padding-bottom: 1rem;
        border-bottom: 0.5px solid #ccc;
    }
}

@media screen and (min-width: 766px) {
    #header {
        max-height: 7rem !important;
        padding: 1rem 1rem !important;
        margin: 0 !important;
    }
    #header .container-fluid {
        max-width: 1330px !important;
    }

    #header .navbar-brand-image img {
        max-width: 3rem !important;
    }

    .navbar-brand-text, .navbar-brand-text-kursbuch {
        margin-left: 0rem !important;
        margin-top: 0rem !important;
    }
    
    #loginBtn, #header .navbar-nav .nav-link{
        padding: 1rem 1.5rem;
        font-size: 1.2rem ;
        border-radius: 12px;
    }

    #logo-kursbuch img {
        width: 80px;
        height: auto;
    }
}


:root {
    /* Brand Colors */
    --color-primary: #1630F0;
    --color-primary-dark: #0f22b8;
    --color-primary-light: #4a5ff5;
    --color-primary-glow: rgba(22, 48, 240, 0.15);

    /* Neutrals - Cool gray undertone */
    --color-white: #ffffff;
    --color-cream: #f8f9fb;
    --color-sand: #f1f3f6;
    --color-stone: #e4e7ec;
    --color-gray-300: #d0d5dd;
    --color-gray-400: #98a2b3;
    --color-gray-500: #667085;
    --color-gray-600: #475467;
    --color-gray-700: #344054;
    --color-gray-800: #1d2939;
    --color-gray-900: #101828;
    --color-black: #0a0d12;

    /* Semantic Colors */
    --color-success: #1a8754;
    --color-warning: #cc8400;
    --color-error: #c53030;

    /* Typography */
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
    --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
    --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
    --text-xl: clamp(1.1875rem, 1.1rem + 0.4vw, 1.375rem);
    --text-2xl: clamp(1.375rem, 1.25rem + 0.6vw, 1.75rem);
    --text-3xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.75rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 5.5rem);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

}