@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --accent-color: #0dcaf0;
    --bg-light: #f8f9fa;
    --text-dark: #212529;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f5f7fb;
    color: var(--text-dark);
    line-height: 1.6;
}

.navbar {
    background: #ffffff !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
    font-size: 1.4rem;
}

.nav-link {
    color: #495057 !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
    background: #ffffff;
}

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

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(13, 110, 253, 0.2);
}

.btn-primary:hover {
    background-color: #0b5ed7;
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.3);
}

.hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
    border-radius: 0 0 50px 50px;
    margin-bottom: 50px;
    margin-top: -1rem;
}

.hero-section h1 {
    font-weight: 800;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-control {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid #dee2e6;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
}

.balance-badge {
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

footer {
    padding: 50px 0;
    background: #ffffff;
    margin-top: 100px;
    border-top: 1px solid #eee;
}