:root {
    --primary: #4e73df;
    --secondary: #858796;
    --bg-color: #f8f9fc;
    --card-bg: #ffffff;
}

body {
    background-color: var(--bg-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
}

.btn-gradient {
    background: linear-gradient(45deg, #4e73df, #224abe);
    color: white;
    border: none;
    transition: 0.3s;
}

.btn-gradient:hover {
    background: linear-gradient(45deg, #224abe, #4e73df);
    color: white;
    box-shadow: 0 0 15px rgba(78, 115, 223, 0.5);
}

.hero-section {
    background: linear-gradient(120deg, #4e73df 0%, #224abe 100%);
    color: white;
    padding: 100px 0;
    border-bottom-left-radius: 50% 20px;
    border-bottom-right-radius: 50% 20px;
}

.social-btn {
    width: 100%;
    margin-bottom: 10px;
    font-weight: 600;
}