:root {
    --primary-purple: #5f3eed;
    --purple-light: #8066f0;
    --purple-lighter: #a693f3;
    --purple-dark: #4a2fbe;
    --purple-darker: #3a258f;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--purple-dark) 100%);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(95, 62, 237, 0.3);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: bold;
    color: white !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    margin: 0 0.5rem;
    transition: all 0.3s;
}

.nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-purple);
    border: none;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--purple-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(95, 62, 237, 0.4);
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-purple);
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--purple-darker) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.course-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(95, 62, 237, 0.3);
}

.course-card .card-header {
    background: linear-gradient(135deg, var(--purple-light) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 1.5rem;
    font-weight: bold;
}

.feature-box {
    padding: 2rem;
    border-radius: 15px;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    height: 100%;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(95, 62, 237, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--purple-light) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.section-title {
    color: var(--primary-purple);
    font-weight: bold;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-purple) 0%, var(--purple-lighter) 100%);
    border-radius: 2px;
}

.stats-section {
    background: linear-gradient(135deg, var(--purple-lighter) 0%, var(--purple-light) 100%);
    color: white;
    padding: 60px 0;
}

.stat-box h2 {
    font-size: 3rem;
    font-weight: bold;
}

.form-control:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 0.2rem rgba(95, 62, 237, 0.25);
}

.footer {
    background: linear-gradient(135deg, var(--purple-darker) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 3rem 0 1rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.footer a:hover {
    color: white;
}

.page-hidden {
    display: none;
}

.price-badge {
    background: var(--purple-dark);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
}

.instructor-badge {
    background: var(--purple-lighter);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
}