/* Root Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #4f46e5, #a855f7);
    --secondary-gradient: linear-gradient(135deg, #3b82f6, #ec4899);
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --card-bg: rgba(255,255,255,.85);
    --navbar-bg: rgba(255,255,255,.98);
    --accent: #3b82f6;
    --accent-dark: #1e40af;
    --gold: #eab308;
    --shadow: 0 6px 12px rgba(0,0,0,.1);
    --shadow-hover: 0 8px 24px rgba(59,130,246,.2);
    --transition: all .3s cubic-bezier(.4,0,.2,1);
    --border-radius: 12px;
    --text-gradient: linear-gradient(90deg, #3b82f6, #60a5fa);
    --logo-3d-color: linear-gradient(135deg, #3b82f6, #60a5fa, #93c5fd);
}
[data-theme="dark"] {
    --primary-gradient: linear-gradient(135deg, #6b7280, #a78bfa);
    --secondary-gradient: linear-gradient(135deg, #60a5fa, #f472b6);
    --bg-color: #111827;
    --text-color: #e5e7eb;
    --card-bg: rgba(31,41,55,.85);
    --navbar-bg: rgba(31,41,55,.9);
    --accent: #60a5fa;
    --accent-dark: #3b82f6;
    --gold: #facc15;
    --shadow: 0 6px 12px rgba(0,0,0,.3);
    --shadow-hover: 0 8px 24px rgba(96,165,250,.3);
    --text-gradient: linear-gradient(90deg, #60a5fa, #a78bfa);
    --logo-3d-color: linear-gradient(135deg, #6b7280, #a78bfa, #60a5fa);
}
/* Reset and General Styles */
*,:before,:after{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,sans-serif;background:var(--bg-color);color:var(--text-color);line-height:1.6;overflow-x:hidden;min-height:100vh;transition:background-color .3s ease,color .3s ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.container{max-width:1280px;margin:0 auto;padding:0 1.5rem}
.section-title{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:1.5rem;background:var(--text-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;position:relative}
.section-title:after{content:'';display:block;width:60px;height:3px;background:var(--primary-gradient);margin:.5rem auto;border-radius:2px}
.section-subtitle{font-size:1.1rem;text-align:center;margin-bottom:2.5rem;color:var(--text-color);opacity:.7}
/* Theme Toggle */
.theme-toggle{background:var(--card-bg);color:var(--text-color);padding:.6rem 1.2rem;border-radius:var(--border-radius);position:fixed;top:1rem;right:1rem;z-index:1000;font-size:.9rem;font-weight:500;border:2px solid var(--accent);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow)}
.theme-toggle:hover{background:#fff;color:#000;border:2px solid var(--primary-gradient);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
/* Button Styles */
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;border-radius:var(--border-radius);transition:var(--transition);box-shadow:var(--shadow),inset 0 -2px 5px rgba(0,0,0,.2),inset 0 2px 5px rgba(255,255,255,.3)}
.btn:hover{background:#fff;color:#000;transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-hover),inset 0 -2px 5px rgba(0,0,0,.2),inset 0 2px 5px rgba(255,255,255,.3)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#fff;color:#000}
.btn-secondary{background:transparent;border:2px solid var(--accent);color:#fff;box-shadow:none}
.btn-secondary:hover{background:#fff;color:#000;border:2px solid var(--accent)}
/* Navbar */
.navbar{background:var(--navbar-bg);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1000;padding:1rem 0;box-shadow:var(--shadow)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.logo-img{height:48px;object-fit:contain;transition:var(--transition)}
.logo-img:hover{transform:scale(1.05)}
.nav-toggle{display:none;background:none;border:none;font-size:1.75rem;color:var(--text-color);cursor:pointer}
.nav-menu{display:flex;align-items:center;gap:1rem}
.nav-list{display:flex;list-style:none;gap:.5rem}
.nav-link{padding:.75rem 1.25rem;color:var(--text-color);text-decoration:none;font-size:.95rem;font-weight:500;border-radius:8px;transition:var(--transition)}
.nav-link.active{background:var(--accent);color:#fff;transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow),inset 0 -2px 5px rgba(0,0,0,.2),inset 0 2px 5px rgba(255,255,255,.3);font-weight:600}
.dropdown{position:relative}
.dropdown-toggle:after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;margin-left:.5rem;font-size:.8rem;color:var(--text-color);transition:var(--transition)}
.dropdown:hover .dropdown-toggle:after{transform:rotate(180deg)}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;background:var(--card-bg);backdrop-filter:blur(10px);box-shadow:var(--shadow);list-style:none;min-width:200px;border-radius:var(--border-radius);padding:.5rem 0;z-index:1000}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-item{display:block;padding:.75rem 1.25rem;color:var(--text-color);text-decoration:none;font-size:.9rem;transition:var(--transition)}
.dropdown-item:hover{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;border-radius:var(--border-radius);box-shadow:var(--shadow),inset 0 -2px 5px rgba(0,0,0,.2),inset 0 2px 5px rgba(255,255,255,.3)}
.language-switcher{display:flex;align-items:center;gap:.5rem}
.flag-icon{width:28px;height:28px;border-radius:50%;transition:var(--transition);box-shadow:var(--shadow)}
.flag-icon:hover{transform:scale(1.1);box-shadow:var(--shadow-hover)}
/* Hero Section */
.hero{position:relative;height:90vh;overflow:hidden}
.hero-slider{height:100%}
.hero-img{width:100%;height:100%;object-fit:cover}
.hero-content {
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-20%, -50%);
    text-align: center;
    color: #fff;
    max-width: 500px;
    padding: 2rem;
    background: rgba(0,0,0,0.6); /* 🖤 কালো ট্রান্সপারেন্ট ব্যাকগ্রাউন্ড */
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.3);
}
.hero-content h1{font-size:2.5rem;font-weight:700;color:#60A5FA;margin-bottom:1rem}
.hero-content p{font-size:1rem;margin-bottom:1.5rem;color:#fff;opacity:.9}
.hero-btns{display:flex;justify-content:center;gap:1rem}
.hero-btns .btn{padding:.7rem 1.5rem;font-size:.9rem}
.swiper-pagination-bullet{background:rgba(255,255,255,.5)}
.swiper-pagination-bullet-active{background:#fff}
/* 🎯 3D Blue Round Arrow Buttons */
/* 🎯 3D Blue Round Arrow Buttons with White Icons */
.swiper-button-prev,
.swiper-button-next {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(145deg, #3B82F6, #60A5FA);
    box-shadow:
        0 5px 10px rgba(0, 0, 0, 0.25),
        inset 0 4px 8px rgba(255, 255, 255, 0.3),
        inset 0 -4px 6px rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 1.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    z-index: 5;
}
/* 🧊 Hover Effect */
.swiper-button-prev:hover,
.swiper-button-next:hover {
    transform: scale(1.15) translateY(-3px);
    box-shadow:
        0 8px 20px rgba(59, 130, 246, 0.6),
        inset 0 6px 10px rgba(255, 255, 255, 0.4),
        inset 0 -6px 8px rgba(0, 0, 0, 0.4);
    background: linear-gradient(145deg, #60A5FA, #3B82F6);
}
/* 🔵 White Arrow visible fix */
.swiper-button-prev::after,
.swiper-button-next::after {
    color: #fff; /* make arrow white */
    font-size: 22px; /* arrow size */
    font-weight: 900;
}
/* 🔹 Position adjustments */
.swiper-button-prev { left: 15px; }
.swiper-button-next { right: 15px; }
/* Popular Courses Section */
.popular-courses{padding:80px 0;background:#fff;text-align:center}
.popular-courses .section-title,.teachers .section-title,.features .section-title,.about .section-title,.about-text h2,.about-text h3,.facebook-group h2,.founder-info h4,.about .founder-info h4{background:none;-webkit-text-fill-color:#000;color:#000;font-size:2.5rem;font-weight:700;margin-bottom:20px}
.popular-courses .course-content h3{color:#fff}
.popular-courses .section-subtitle{font-size:1.2rem;color:#000;margin-bottom:70px}
.modern-courses-wrapper{display:flex;justify-content:center;gap:30px;flex-wrap:wrap}
.modern-course-card{background:#000;border:2px solid #339CFF;border-radius:20px;padding:25px;width:335px;box-shadow:0 10px 30px rgba(0,123,255,.2);transition:all .3s ease-in-out;color:#fff;margin-bottom:60px;opacity:0;transform:translateY(30px);animation:slideUpFade .8s ease forwards}
.modern-course-card:nth-child(1){animation-delay:.1s}
.modern-course-card:nth-child(2){animation-delay:.3s}
.modern-course-card:nth-child(3){animation-delay:.5s}
@keyframes slideUpFade{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}
.modern-course-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px rgba(0,123,255,.3)}
.course-image{width:120px;height:120px;border-radius:50%;overflow:hidden;margin:-70px auto 20px;box-shadow:0 0 0 4px #339CFF}
.course-image img{width:100%;height:100%;object-fit:cover}
.course-content h3{font-size:1.25rem;font-weight:600;margin-bottom:10px}
.price-tag{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;border-radius:var(--border-radius);transition:var(--transition);box-shadow:var(--shadow),inset 0 -2px 5px rgba(0,0,0,.2),inset 0 2px 5px rgba(255,255,255,.3)}
.info-row{display:flex;justify-content:space-between;font-size:.9375rem;color:#e0e0e0}
.info-row .label{font-weight:700}
.info-row .label.red{color:#FF6B6B}
/* Features Section */
.features{padding:40px 20px;text-align:center}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.feature-box{background:#000;border-image:linear-gradient(to right,#4a90e2,#9b59b6) 1;border-radius:50px;padding:30px;box-shadow:0 0 20px rgba(74,144,226,.5),0 0 10px rgba(155,89,182,.5);transition:transform .3s ease,box-shadow .3s ease}
.feature-box:hover{transform:translateY(-10px);box-shadow:0 0 30px rgba(74,144,226,.7),0 0 15px rgba(155,89,182,.7)}
.feature-icon{width:90px;height:90px;margin-bottom:20px;filter:drop-shadow(0 0 10px #4a90e2)}
.feature-box h3{font-size:1.5em;background:linear-gradient(to right,#4a90e2,#9b59b6);background-clip:text;color:transparent;margin-bottom:15px;font-weight:600}
.feature-box p{font-size:1em;color:#d3d3d3;line-height:1.6}
/* Teachers Section */
.teachers{padding:4rem 0;background:var(--bg-color)}
.teacher-card{background:var(--card-bg);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:1.5rem;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.teacher-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.teacher-img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin-bottom:1rem;border:3px solid var(--accent)}
.teacher-card h3{font-size:1.3rem;font-weight:600;background:var(--text-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}
.stars{color:var(--gold);font-size:1rem;margin-bottom:.75rem}
.teacher-card p{font-size:.9rem;color:var(--text-color);opacity:.8}
/* Registration Section */
.registration-section{padding:4rem 0;background:#000}
.flashcards{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}
.flashcard{background:var(--card-bg);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:-1rem;text-align:center;box-shadow:var(--shadow);transition:var(--transition);max-width:450px}
.registration-section-title h2{color:#fff}
.flashcard:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.flashcard-img{width:100%;height:auto;border-radius:var(--border-radius);margin-bottom:1rem}
/* Popup Styles */
.popup{display:none;position:fixed;z-index:1001;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgba(0,0,0,.4)}
.popup-content{background-color:var(--card-bg);margin:15% auto;padding:20px;border:1px solid #888;width:80%;max-width:500px;border-radius:var(--border-radius);box-shadow:var(--shadow)}
.close{color:#aaa;float:right;font-size:28px;font-weight:700}
.close:hover,.close:focus{color:#000;text-decoration:none;cursor:pointer}
.form-group{margin-bottom:1rem}
.form-group input,.form-group select{width:100%;padding:.75rem;border:2px solid var(--accent);border-radius:8px;font-size:.95rem;background:var(--card-bg);color:var(--text-color)}
/* About Section */
.about {
    padding: 4rem 0;
    background: #fff;
}
.about-content {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}
.about-text {
    flex: 1;
    min-width: 300px;
}
.about-text p {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}
.about-cta {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.founder-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.founder-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
}
.founder-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.founder-info p {
    font-size: .9rem;
    color: var(--text-color);
    opacity: .8;
}
/* ✅ Right-side circular images layout fixed */
.about-imgs {
    flex: 1;
    min-width: 300px;
    position: relative;
    text-align: center; /* center aligned */
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}
/* 🟦 Main large image */
.main-img {
    position: relative;
    width: 70%;
    max-width: 300px;
    border: 6px solid #60A5FA;
    border-radius: 50%;
    z-index: 2;
}
/* 🟣 Top-right small image */
.secondary-img.right {
    position: absolute;
    bottom: -10px;
    right: -20px;
    width: 210px;
    border: 5px solid #60A5FA;
    border-radius: 50%;
    z-index: 3;
}
/* 🟢 Bottom-left small image */
.secondary-img.left {
    position: absolute;
    bottom: -10px;
    left: -20px;
    width: 210px;
    border: 5px solid #60A5FA;
    border-radius: 50%;
    z-index: 1;
}
/* Optional: smooth responsive scaling */
@media (max-width: 768px) {
    .main-img {
        width: 80%;
        max-width: 300px;
    }
    .secondary-img.right,
    .secondary-img.left {
        width: 120px;
        top: -30px;
        right: -40px;
        bottom: -30px;
        left: -40px;
    }
}
.about-img.round-bordered {
    border: 5px solid #3b82f6;
    border-radius: 50%;
    object-fit: cover;
}
/* Facebook Group */
.facebook-group{padding:4rem 0;background:var(--bg-color);text-align:center}
.fb-group{margin:1rem 0;border-radius:var(--border-radius);box-shadow:var(--shadow)}
/* Footer */
.footer{background:#000;color:#fff;padding:4rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}
.footer-col h3{font-size:1.5rem;font-weight:700;background:var(--text-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1rem}
.footer-col p,.footer-link{font-size:.9rem;color:#fff;opacity:.8;margin-bottom:.75rem;text-decoration:none;display:block}
.footer-link:hover{opacity:1;color:#fff}
.social-links{display:flex;gap:.75rem}
.social-link{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--card-bg);color:var(--text-color);border-radius:50%;text-decoration:none;transition:var(--transition)}
.social-link:hover{background:#fff;color:#000;border:2px solid var(--primary-gradient);transform:translateY(-2px)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}
.gallery-grid img{width:100%;border-radius:8px;object-fit:cover;box-shadow:var(--shadow);transition:var(--transition)}
.gallery-grid img:hover{transform:scale(1.05)}
.newsletter-form{display:flex;gap:.75rem}
.newsletter-form input{flex:1;padding:.75rem;border:2px solid var(--accent);border-radius:8px;font-size:.95rem;background:var(--card-bg);color:var(--text-color)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-bottom p,.footer-menu a{font-size:.9rem;color:#fff;opacity:.8;text-decoration:none}
.footer-menu a{margin-left:1rem}
.footer-menu a:hover{opacity:1}
/* Back to Top */
.back-to-top{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--accent);color:#fff;width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:50%;text-decoration:none;opacity:0;transition:var(--transition);box-shadow:var(--shadow)}
.back-to-top:hover{background:#fff;color:#000}
.back-to-top.visible{opacity:1}
/* Responsive Design */
@media (max-width:1024px){
    .hero{height:80vh}
    .hero-content{left:15%;max-width:400px}
    .hero-content h1{font-size:2rem}
    .hero-content p{font-size:.9rem}
    .about-content{flex-direction:column}
    .about-imgs{text-align:center}
    .secondary-img{position:static;width:45%;display:inline-block}
    .courses-grid,.features-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
}
@media (max-width:768px){
    .navbar{padding:.75rem 0}
    .nav-toggle{display:block}
    .nav-menu{display:none;position:fixed;top:60px;left:0;right:0;background:var(--navbar-bg);backdrop-filter:blur(10px);padding:1.5rem;box-shadow:var(--shadow);z-index:999;border-radius:0 0 var(--border-radius) var(--border-radius)}
    .nav-menu.active{display:block}
    .nav-list{flex-direction:column;gap:.5rem}
    .nav-link{padding:1rem;font-size:1rem}
    .dropdown-menu{position:static;box-shadow:none;border-radius:0;background:var(--card-bg);min-width:100%}
    .section-title{font-size:2rem}
    .section-subtitle{font-size:1rem}
    .modern-course-card{width:90%}
    .teacher-img{width:100px;height:100px}
    .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:576px){
    .container{padding:0 1rem}
    .hero{height:70vh}
    .hero-content{left:10%;max-width:300px;padding:1.5rem}
    .hero-content h1{font-size:1.8rem}
    .hero-content p{font-size:.85rem}
    .btn{padding:.6rem 1.2rem;font-size:.9rem}
    .info-row span{font-size:.8rem}
    .footer-grid,.courses-grid,.features-grid{grid-template-columns:1fr}
    .gallery-grid{grid-template-columns:repeat(2,1fr)}
    body{padding-bottom:60px}
    .navbar{position:fixed;width:100%;top:0;border-radius:0}
    .nav-menu{top:60px;border-radius:0 0 12px 12px}
    .back-to-top{bottom:70px}
    .bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--navbar-bg);backdrop-filter:blur(10px);display:flex;justify-content:space-around;padding:.75rem 0;box-shadow:var(--shadow);z-index:1000}
    .bottom-nav a{color:var(--text-color);text-decoration:none;font-size:.8rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.2rem}
    .bottom-nav i{font-size:1.2rem}
    .bottom-nav a:hover{background:#fff;color:#000;border:2px solid var(--primary-gradient)}
} 

/* ===================
   আপনার মূল CSS স্টাইল (অপরিবর্তিত)
   =================== */

/* আপনার সমস্ত মূল CSS কোড এখানে থাকবে */
/* যেমন: navbar, hero, courses, features, teachers, footer ইত্যাদির স্টাইল */

/* ===================
   অ্যানিমেশন সংক্রান্ত CSS (নতুন যোগ করা)
   =================== */

/* Loading Screen */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader {
    width: 80px;
    height: 80px;
    border: 8px solid #f3f3f3;
    border-top: 8px solid #4a6cf7;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid #4a6cf7;
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: all 0.1s ease;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    background: rgba(74, 108, 247, 0.1);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 9998;
}

.cursor.hover {
    width: 40px;
    height: 40px;
    background: rgba(74, 108, 247, 0.3);
    border-color: transparent;
}

/* Enhanced Course Cards Animation */
.modern-course-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modern-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.modern-course-card:hover::before {
    left: 100%;
}

.modern-course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.course-image {
    overflow: hidden;
}

.course-image img {
    transition: transform 0.5s ease;
}

.modern-course-card:hover .course-image img {
    transform: scale(1.1);
}

/* Enhanced Feature Boxes Animation */
.feature-box {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-box::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #4a6cf7, #ff6600);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-box:hover::after {
    transform: scaleX(1);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    transition: all 0.3s ease;
}

.feature-box:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Enhanced Teacher Cards Animation */
.teacher-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.teacher-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 108, 247, 0.8), rgba(255, 102, 0, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.teacher-card:hover::before {
    opacity: 1;
}

.teacher-card:hover {
    transform: translateY(-10px);
}

.teacher-card:hover .teacher-img {
    transform: scale(1.1);
}

.teacher-card:hover h3,
.teacher-card:hover p {
    color: #fff;
    position: relative;
    z-index: 2;
}

.teacher-img {
    transition: transform 0.5s ease;
}

/* Enhanced Flashcards Animation */
.flashcard {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.flashcard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 108, 247, 0.7), rgba(255, 102, 0, 0.7));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.flashcard:hover::before {
    opacity: 1;
}

.flashcard:hover .flashcard-img {
    transform: scale(1.1);
}

.flashcard-img {
    transition: transform 0.5s ease;
}

.flashcard .btn {
    position: relative;
    z-index: 2;
}

/* Enhanced Buttons Animation */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Navbar Scroll Effect */
.navbar {
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #4a6cf7, #ff6600);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Social Links Animation */
.social-link {
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
}

/* Floating Animation */
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-30px); }
    60% { transform: translateY(-15px); }
}

.bounce {
    animation: bounce 2s ease-in-out infinite;
}

/* Shake Animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Glow Effect */
.glow {
    box-shadow: 0 0 10px rgba(74, 108, 247, 0.5);
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(90deg, #4a6cf7, #ff6600);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Parallax Effect */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Responsive Design */
@media (max-width: 992px) {
    .modern-courses-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .modern-courses-wrapper {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        z-index: 1000;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1001;
    }
    
    /* Hide custom cursor on mobile */
    .cursor,
    .cursor-follower {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}