body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1a0033, #330066, #6600cc);
    color: #e0f7fa;
    text-align: center;
    padding: 20px;
    min-height: 100vh;
}

nav {
    background: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: clamp(1.2em, 2vw, 1.5em); /* Scale between 1.2em and 1.5em */
    color: #ffca28;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: clamp(10px, 2vw, 20px);
}

.nav-links a {
    color: #e0f7fa;
    text-decoration: none;
    font-size: clamp(0.9em, 1.5vw, 1em);
}

.nav-links a:hover {
    color: #4fc3f7;
}

header, .content {
    margin-top: 60px;
    padding: clamp(16px, 4vw, 40px);
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    border: 2px solid #4fc3f7;
    max-width: clamp(320px, 90vw, 900px);
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: clamp(2em, 4vw, 2.5em);
    color: #ff6f61;
    animation: colorChange 5s infinite;
}

@keyframes colorChange {
    0% { color: #ff6f61; }
    50% { color: #4fc3f7; }
    100% { color: #ffca28; }
}

button {
    background-color: #ffca28;
    color: #000;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: clamp(0.9em, 1.5vw, 1em);
    margin-top: 10px;
    text-decoration: none;
    display: inline-block;
}

button:hover {
    background-color: #ffb300;
}

a button {
    margin-top: 20px;
}

.slideshow-container {
    position: relative;
    width: 100%;
    max-width: 90%;
    margin: auto;
    overflow: hidden;
}

.mySlides {
    display: none;
}

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

@keyframes fade {
    from {opacity: .4}
    to {opacity: 1}
}

.gallery-item {
    background: rgba(255, 255, 255, 0.1);
    padding: clamp(10px, 3vw, 24px);
    border-radius: 5px;
    width: 100%;
    height: clamp(150px, 40vw, 400px);
    box-shadow: 0 0 10px rgba(79, 195, 247, 0.5);
    overflow: hidden;
    max-width: clamp(220px, 90vw, 600px);
    margin: 2vw auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: #4fc3f7;
    font-weight: bold;
    font-size: clamp(16px, 2vw, 18px);
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.dot {
    cursor: pointer;
    height: clamp(10px, 1.5vw, 15px);
    width: clamp(10px, 1.5vw, 15px);
    margin: 0 clamp(1px, 0.5vw, 2px);
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active, .dot:hover {
    background-color: #4fc3f7;
}

ul {
    list-style-position: inside;
    text-align: left;
    max-width: 90%;
    margin: 0 auto;
}

.form-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 90%;
    margin: 20px auto;
}

.form-container label {
    text-align: left;
    color: #e0f7fa;
}

.form-container input, .form-container select {
    padding: 8px;
    border: 1px solid #4fc3f7;
    border-radius: 5px;
    background: #1a0033;
    color: #e0f7fa;
    width: 100%;
    appearance: none;
}

.form-container select option {
    background: #1a0033;
    color: #e0f7fa;
    padding: 5px;
}

.form-container select:focus {
    outline: none;
    border-color: #4fc3f7;
    box-shadow: 0 0 5px #4fc3f7;
}

.form-container button {
    margin-top: 10px;
}

/* Responsive slide cards */
.slide {
    display: inline-block;
    min-width: clamp(120px, 18vw, 200px);
    margin: 2vw 2vw 0 2vw;
    padding: clamp(8px, 2vw, 18px) clamp(12px, 4vw, 24px);
    border-radius: 12px;
    font-size: clamp(1em, 2vw, 1.2em);
    font-weight: bold;
    color: #fff;
    box-shadow: 0 4px 24px 0 rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid #4fc3f7;
}

.slide.maths {
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    box-shadow: 0 0 24px 4px rgba(0,198,255,0.3), 0 4px 24px 0 rgba(0,0,0,0.2);
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.slide.science {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    box-shadow: 0 0 24px 4px rgba(67,233,123,0.3), 0 4px 24px 0 rgba(0,0,0,0.2);
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.slide.english {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    box-shadow: 0 0 24px 4px rgba(250,112,154,0.3), 0 4px 24px 0 rgba(0,0,0,0.2);
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.slide:hover {
    filter: brightness(1.1) saturate(1.2);
    box-shadow: 0 0 40px 8px rgba(79,195,247,0.4), 0 8px 32px 0 rgba(0,0,0,0.3);
}

/* Hamburger menu styles */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}
.hamburger span {
    display: block;
    width: 28px;
    height: 4px;
    margin: 4px 0;
    background: #ffca28;
    border-radius: 2px;
    transition: 0.3s;
}

@media (max-width: 700px) {
    .hamburger {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: 60px;
        left: 0;
        width: 100vw;
        background: rgba(0,0,0,0.95);
        flex-direction: column;
        align-items: center;
        display: none;
        padding-bottom: 20px;
    }
    nav.menu-open .nav-links {
        display: flex;
    }
    nav.menu-open .hamburger span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    nav.menu-open .hamburger span:nth-child(2) {
        opacity: 0;
    }
    nav.menu-open .hamburger span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    .slides {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .slide {
        display: block;
        width: 90vw;
        min-width: unset;
        margin: 3vw 0;
        font-size: clamp(0.9em, 4vw, 1.1em);
        padding: clamp(6px, 3vw, 14px);
    }
    header, .content {
        max-width: 98vw;
        padding: clamp(10px, 6vw, 24px);
    }
    .gallery-item {
        max-width: 98vw;
        height: clamp(100px, 50vw, 250px);
        padding: clamp(8px, 4vw, 16px);
    }
}

@media (max-width: 600px) {
    .nav-links {
        flex-direction: column;
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.9);
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links li {
        margin: 10px 0;
    }
    .logo {
        font-size: 1.2em;
    }
    header, .content {
        margin-top: 80px;
    }
    .gallery-item {
        height: clamp(150px, 40vw, 250px);
    }
    .form-container {
        max-width: 90%;
    }
}

@media (min-width: 601px) and (max-width: 1024px) {
    .gallery-item {
        height: clamp(200px, 40vw, 300px);
    }
    .content {
        max-width: 95%;
    }
}