@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&display=swap');

body { 
    background-color: #050a18; 
    color: #e2e8f0; 
    font-family: 'Montserrat', sans-serif;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

#stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1B2735 0%, #090A0F 100%);
}

.glass-card {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.vip-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, #f59e0b, #ef4444);
    color: white;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.glass-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: #3b82f6;
    box-shadow: 0 20px 40px -15px rgba(59, 130, 246, 0.4);
}

.hero-text {
    background: linear-gradient(to right, #60a5fa, #a78bfa, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 5s infinite alternate;
}

@keyframes gradient-flow {
    from { filter: hue-rotate(0deg); }
    to { filter: hue-rotate(45deg); }
}

.section-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.homework-btn {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}
.homework-btn:hover {
    background: #3b82f6;
    color: white;
    transform: scale(1.05);
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
}