* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
}

.logo h2 {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #2d3748;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #667eea;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    color: #ffd700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat h3 {
    font-size: 2.5rem;
    color: #ffd700;
    font-weight: 700;
}

.stat p {
    opacity: 0.8;
}

.cta-primary {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #2d3748;
    padding: 18px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(255,215,0,0.4);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255,215,0,0.6);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.math-animation .equation {
    font-size: 2rem;
    font-family: 'Courier New', monospace;
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
    margin: 1rem 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Syllabus */
.syllabus {
    padding: 100px 0;
    background: #f8fafc;
}

.syllabus h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.syllabus-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.syllabus-card.featured {
    border-top: 5px solid #ffd700;
    margin-bottom: 3rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.marks {
    background: #ffd700;
    color: #2d3748;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
}

.syllabus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.topic h4 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.topic ul {
    list-style: none;
}

.topic li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.topic li::before {
    content: "✨";
    position: absolute;
    left: 0;
}

.syllabus-card.mini {
    text-align: center;
    padding: 2rem;
}

/* Features */
.features {
    padding: 100px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

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

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

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

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

/* Results */
.results {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.results h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.stars {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.testimonial h4 {
    color: #667eea;
    margin-top: 1rem;
}

/* Contact */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 4rem;
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form button {
    background: #ffd700;
    color: #2d3748;
    padding: 18px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-form button:hover {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 5% 50px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .contact-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .syllabus-grid {
        grid-template-columns: 1fr;
    }
}