/* Importing Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Playfair+Display:wght@700&display=swap');


/* Define CSS variables for light and dark themes */
:root {
    --background-light: #fff;
    --background-dark: #1e1e1e;
    --text-light: #333;
    --text-dark: #fff;
    --box-background-light: #f9f9f9;
    --box-background-dark: #1e1e1e;
    --box-shadow-light: rgba(0, 0, 0, 0.1);
    --box-shadow-dark: rgba(0, 0, 0, 0.3);
}

/* Global Styles */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: background-color 0.3s, color 0.3s;
}

section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.7em;
}

/* Header */
header {
    position: relative;
    height: 85vh;
    overflow: hidden;
}

.parallax {
    font-weight: 700;
    /* font-family: 'Playfair Display', serif; */
    position: relative;
    height: 85vh;
    background: url('../images/header5.jpg') no-repeat center 0px/cover;
    color: white;
    background-position: bottom;
}

.parallax::after {
    content: "";
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

/* Slideshow container */
.slideshow-container {
    z-index: 100;
    width: 60%;
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    height: auto;
    left: 2%;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-1));
  color: black;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Mobile responsiveness for the button */
@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
}

/* Caption text */
.text {
    color: #f2f2f2;
    font-size: 2.8em;
    padding: 8px 12px;
    text-align: left;
}

.subtext {
    font-weight: 500;
    color: #f2f2f2;
    font-size: 1.8em;
    padding: 8px 12px;
    text-align: left;
}

/* The dots/bullets/indicators */
.dot-container {
    width: 60%;
    text-align: left;
    padding-top: 4rem;
    position: absolute;
    left: 2%;
}

.dot {
    cursor: pointer;
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #ffffff;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.dot:hover,
.dot-container .active {
    background-color: #FFCC00;
}

.slideshow-button-container {
    left: 2%;
    position: relative;
    top: 2rem;
}

/* Fading animation */
.fade {
    animation-name: fade;
    animation-duration: 1.5s;
}

@keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}

@media only screen and (max-width: 300px) {
    .text {
        font-size: 20px
    }

    .subtext {
        font-size: 15px
    }
}

.slideshow-button {
    margin: 0 auto;
    padding: 15px 25px;
    background-color: #ff0000;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-weight: 600;
}

.slideshow-button:hover {
    background-color: #ff4500;
}


nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(45deg, #000000 53.33%, #FF0000 73.33%, #FFCC00 93.66%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 0.6rem 0.5rem;
    position: sticky;
    top: 0;
    padding: 1.3rem 0;
    z-index: 1000;
}

nav a {
    position: relative;
    color: #fff;
    /* White */
    text-decoration: none;
    margin: 0 1.5rem;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
    transition: color 0.3s;
}

.nav-items a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: #ffcc00;
    /* Yellow */
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav a:hover::before {
    transform: scaleX(1);
}

nav a:hover {
    color: #ffcc00;
}

.nav-logo img {
    margin-left: 1rem;
    height: 40px;
    transform: scale(2.7);
    filter: invert(1);
}

.nav-items {
    display: flex;
    align-items: center;
    margin-left: -20px;
}

.dark-mode-container {
    display: flex;
    align-items: center;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    margin-right: 1rem;
}

.hamburger-menu .bar {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 4px 0;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    background: none;
    border: none;
    color: #fff;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: color 0.3s;
    margin: 0 1.5rem;
    padding: 0;
    position: relative;
    font-size: 1em;
}

.dropbtn::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: #ffcc00;
    /* Yellow */
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.dropbtn:hover::before {
    transform: scaleX(1);
}

.dropbtn:hover,
.dropbtn:focus {
    color: #ffcc00;
    /* Yellow */
    outline: none;
}

.dropdown-content {
    display: none;
    position: relative;
    background-color: #f9f9f9;
    min-width: 360px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1;

}

.dropdown-content a {
    color: #333;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s, color 0.3s;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
    color: #ff0000;
}

.dropdown:hover .dropdown-content {
    display: block;
    position: absolute;
}


.dark-mode-container {
    display: flex;
    align-items: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    color: #fff;
    /* White */
    transition: color 0.3s;
}

body.dark-mode .dark-mode-container {
    color: #e0e0e0;
}

/* Dark Mode Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    margin-left: 10px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #040000;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: rgb(255, 0, 0);
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: #ffffff;
    /* Yellow */
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Section Styling */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: auto;
    text-align: center;
}

.about,
.testimonials,
.faqs,
.courses,
.pricing,
.contact {
    background: #fff;
    margin-bottom: 2rem;
    padding: 2rem;
    box-shadow: 0 10px 11px rgba(0, 0, 0, 0.1);
    position: relative;
}

.about::before,
.testimonials::before,
.faqs::before,
.newsletter::before {
    content: "";
    background: url('https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?ixlib=rb-1.2.1&auto=format&fit=crop&w=400&q=80') no-repeat center center/cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    z-index: -1;
}

/* About Us Section */
.about-content {
    max-width: 800px;
    margin: auto;
    text-align: left;
    line-height: 1.6;
    color: #333;
    font-family: 'Montserrat', sans-serif;
}

.about-content p {
    margin: 1.5rem 0;
}

.about-image {
    margin-top: 1rem;
    width: 100%;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    top: 50%;
    left: 50%;
    /* transform: translate(21.5%, 0%); */
}

.bold {
    font-size: 1.3em;
    font-weight: 800;
}

/* Courses Section */
.courses {
    background: #fff;
    position: relative;
}

.courses::before {
    content: "";
    background: url('https://images.unsplash.com/photo-1523475496153-6d6e84ef146e?ixlib=rb-1.2.1&auto=format&fit=crop&w=400&q=80') no-repeat center center/cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    z-index: -1;
}

.course-container {
    margin: 0 5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.course-box {
    background: #fff;
    padding: 2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    text-align: center;
}

.course-box:nth-child(1),
.course-box:nth-child(4) {
    background-color: #e0e7ff;
}

.course-box:nth-child(2),
.course-box:nth-child(5) {
    background-color: #ffe0e0;
}

.course-box:nth-child(3),
.course-box:nth-child(6) {
    background-color: #fff7e0;
}

.course-box:hover {
    scale: 1.05;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: 0.5s;
}

.course-box h3 {
    margin-top: 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.course-box img {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
}

/* Pricing Section */
.pricing-div {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.pricing-card {
    position: relative;
    background: #fff;
    border-radius: 30px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 1rem;
    padding: 1.5rem 1.5rem 5rem 1.5rem;
    flex: 1;
    min-width: 280px;
    max-width: 200px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 20px solid transparent;
    font-family: 'Montserrat';
    font-weight: 700;
}

.pricing-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.pricing-card h3 {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    color: #555;
}

.pricing-card .price {
    font-size: 1.1rem;
    margin: 0.6rem 0;
    font-weight: bold;
    color: #333;
}

.pricing-card .old-price {
    text-decoration: line-through;
    color: #777;
    margin-right: 8px;
    font-size: 1.4rem;
}

.pricing-card .saving {
    font-size: 1.1rem;
    color: #ff0000;
    /* Red */
    margin: 0.5rem 0;
}

.pricing-card .duration {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    color: #777;
}

.pricing-card .features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    color: #555;
}

.pricing-card .features li {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    margin: 0.5rem 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-card .features li::before {
    content: "✔";
    color: #ff0000;
    /* Red */
    font-weight: bold;
    margin-right: 8px;
}

.pricing-card:nth-child(1) {
    background-color: #e0e7ff;
    border-top-color: #000;
    /* Black */
}

.pricing-card:nth-child(2) {
    background-color: #ffe0e0;
    border-top-color: #ff0000;
    /* Red */
}

.pricing-card:nth-child(3) {
    background-color: #fff7e0;
    border-top-color: #ffcc00;
    /* Yellow */
}

.pricing-button-container {

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 350%);

}

.pricing-button {
    margin: 6px auto;
    padding: 15px 25px;
    background-color: #ff0000;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-weight: 600;
}

.pricing-button:hover {
    background-color: #000000;
}

/* Testimonials Section */
.testimonials {
    background: #fff;
    margin-bottom: 2rem;
    padding: 2rem;
    position: relative;
}

.testimonial {
    background: #f9f9f9;
    padding: 1rem;
    border-left: 5px solid #ffcc00;
    /* Yellow */
    margin-bottom: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    text-align: left;
}

.testimonial p {
    font-style: italic;
}

/* FAQs Section */
.faqs {
    background: #fff;
    margin-bottom: 2rem;
    padding: 2rem;
    position: relative;
}

.faq {
    text-align: left;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 1rem;
    cursor: pointer;
    position: relative;
}

.faq-question {
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: #333;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question .arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
}

.faq.active .faq-answer {
    max-height: 500px;
    /* large enough to fit the content */
    padding: 1rem 0;
}

.faq.active .faq-question .arrow {
    transform: rotate(180deg);
}

/* Contact Section */
.contact {
    background: #fff;
    padding: 2rem;
    position: relative;
}

.contact::before {
    content: "";
    background: url('https://images.unsplash.com/photo-1498579809087-8a1209f59ba6?ixlib=rb-1.2.1&auto=format&fit=crop&w=400&q=80') no-repeat center center/cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    z-index: -1;
}

.contact-form {
    max-width: 600px;
    margin: auto;
    padding: 2rem;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #ffcc00;
    /* Yellow */
    box-shadow: 0 0 8px rgba(255, 204, 0, 0.25);
    outline: none;
}

button[type="submit"] {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: #ffcc00;
    /* Yellow */
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

button[type="submit"]:hover {
    background: #ffb300;
    /* Darker Yellow */
}

/* Newsletter Section */
.newsletter {
    background: #fff;
    margin-bottom: 2rem;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.newsletter-content {
    max-width: 600px;
    margin: auto;
    text-align: center;
}

.newsletter-content p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.newsletter-form input[type="email"] {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.newsletter-form button[type="submit"] {
    padding: 0.75rem 1.5rem;
    background: #ffcc00;
    /* Yellow */
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-form button[type="submit"]:hover {
    background: #ffb300;
    /* Darker Yellow */
}

/* Google Map */
/* Map Container */
.map-container {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    width: 60%;
    padding-top: 30%;
    /* Adjust this value to change the height */
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Content Section - Why german page?*/
.content-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--box-background-light);
    box-shadow: 0 2px 4px var(--box-shadow-light);
    border-radius: 10px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.content-container h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: inherit;
    /* Inherits text color based on mode */
    text-align: center;
}

.content-container p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.6;
    color: inherit;
    /* Inherits text color based on mode */
}

.reason-box {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--box-background-light);
    box-shadow: 0 2px 4px var(--box-shadow-light);
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

body.dark-mode .reason-box {
    background: var(--box-background-dark);
    box-shadow: 0 2px 4px var(--box-shadow-dark);
}

.reason-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.reason-box img {
    width: 100px;
    height: 100px;
    margin-right: 1rem;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.reason-box div {
    font-size: 1rem;
    color: inherit;
    /* Inherits text color based on mode */
    line-height: 1.4;
}

.reason-box strong {
    font-weight: 700;
    font-size: 1.2rem;
    color: inherit;
    /* Inherits text color based on mode */
    display: block;
}

/* Scroll Button */
.scroll-button {
    background: none;
    border: none;
    cursor: pointer;
    animation: bounce 2s infinite;
    margin-top: 20px;
    transition: transform 0.3s;
}

.arrow-image {
    width: 50px;
    height: 50px;
    display: block;
    filter: invert(1);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

/* Dark Mode Scroll Button */
body.dark-mode .arrow-image {
    filter: invert(1);
}

body.dark-mode .scroll-button:hover .arrow-image {
    filter: invert(0.5);
}


/* Dark Mode Scroll Button */
body.dark-mode .scroll-button {
    color: #e0e0e0;
}

body.dark-mode .scroll-button:hover {
    color: #ffcc00;
    /* Yellow */
}

/* Footer Styles */
footer {
    background-color: #1c1f2a;
    position: relative;
    color: #fff;
    text-align: center;
    z-index: 1;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #101219;
    /* Dark overlay */
    z-index: -1;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    margin: 1rem 0;
}

.footer-links h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffcc00;
    /* Yellow */
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
    /* border-bottom: 1px dashed #ffffff; */
}

.footer-links ul li a:hover {
    color: #ff4500;
    border-bottom: 1px dashed #ff4500;
}

.footer-bottom {
    background-color: #1c1f2a;
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
    color: #ccc;
}

/* Footer Contact Icons */
.footer-contact-icons {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.footer-icon {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.footer-icon:hover {
    color: #ffcc00;
    /* Yellow */
}

.footer-logo img {
    margin-top: 5rem;
    height: 5rem;
    scale: 2;
    filter: invert(1);
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: #1d1c1c;
    color: #e0e0e0;
}

body.dark-mode .about,
body.dark-mode .testimonials,
body.dark-mode .faqs,
body.dark-mode .courses,
body.dark-mode .contact,
body.dark-mode .newsletter,
body.dark-mode .pricing {
    background: #1e1e1e;
    color: #e0e0e0;
}

body.dark-mode nav {
    background: #1d1c1c;
}

body.dark-mode .nav-items {
    background: #1d1c1c;
}

body.dark-mode nav a {
    color: #e0e0e0;
}

body.dark-mode nav a:hover {
    color: #ffcc00;
    /* Yellow */
}

body.dark-mode nav a::before {
    background-color: #ffcc00;
    /* Yellow */
}

body.dark-mode .testimonial {
    background: #2a2a2a;
}

body.dark-mode .contact-form {
    background: #1e1e1e;
}

body.dark-mode .faq-question,
body.dark-mode .faq-answer {
    color: #e0e0e0;
}

body.dark-mode .course-box {
    color: #000000;
}

body.dark-mode .about-content {
    color: #e0e0e0;
}

/* Dark Mode */
body.dark-mode {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

body.dark-mode .content-container {
    background-color: var(--box-background-dark);
    box-shadow: 0 2px 4px var(--box-shadow-dark);
}

body.dark-mode .dropdown-content a {
    color: #000000;
}

body.dark-mode .dropdown-content a:hover {
    color: #ff0000;
}

body.dark-mode .course-box {
    background-color: #343434;
    color: #ffffff;
}

/* Responsive */

@media (max-width: 768px) {
    header {
        background-position: left;
        height: 60vh
    }

    .parallax {
        height: 60vh;
    }

    .footer-logo img {
        margin-top: 1.8rem;
        scale: 2;
    }

    .course-container {
        margin: 0;
    }

    .nav {
        background: #1c1f2a;
    }

    .nav-items {
        flex: 2;
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background: #1c1f2a;
    }

    .hamburger-menu {
        flex: 0;
    }

    .active-dark-mode {
        display: none;
    }

    .nav-items a {
        margin: 1rem 0;
        padding: 1rem;
    }

    .hamburger-menu {
        display: flex;
    }

    .nav-items.active {
        display: flex;
    }
    .dropdown-content {
        min-width: 0;
    }
    .slideshow-container {
        width: 100%;
    }
    .parallax {
        background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/header5.jpg') no-repeat center 0px/cover;
        color: white;
        background-position: 70% 50%;
    }
    .parallax::after {
        background: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 1) ),
    }
}