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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #1e293b;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.logo i {
    margin-right: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #334155;
    font-weight: 500;
    transition: 0.3s;
}

.nav-menu a:hover {
    color: #2563eb;
}

.login-btn {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white !important;
    padding: 8px 20px;
    border-radius: 25px;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1524178232363-1fb2b075b655?ixlib=rb-4.0.3');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s;
}

.highlight {
    color: #fbbf24;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #fbbf24;
    color: #1e293b;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1e293b;
}

/* Features */
.features {
    padding: 5rem 0;
    background: #f8fafc;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-card i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

/* Courses */
.courses {
    padding: 5rem 0;
}

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

.section-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 3rem;
}

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

.course-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: 0.3s;
}

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

.course-icon {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    padding: 2rem;
    text-align: center;
}

.course-icon i {
    font-size: 4rem;
    color: white;
}

.course-content {
    padding: 1.5rem;
}

.course-content h3 {
    margin-bottom: 0.5rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
    color: #64748b;
    font-size: 0.9rem;
}

/* Enrollment Section */
.enrollment {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.enrollment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: white;
    border-radius: 20px;
    overflow: hidden;
}

.enrollment-info {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    padding: 3rem;
}

.enrollment-info i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.enrollment-info ul {
    list-style: none;
    margin-top: 2rem;
}

.enrollment-info ul li {
    margin: 1rem 0;
}

.enrollment-info ul li i {
    font-size: 1rem;
    margin-right: 10px;
}

.enrollment-form {
    padding: 3rem;
}

.enrollment-form h3 {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: #1e293b;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    text-align: center;
    gap: 2rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #fbbf24;
}

/* Login Page */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: #2563eb;
}

.input-group {
    display: flex;
    align-items: center;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 1rem;
    padding: 0 1rem;
}

.input-group i {
    color: #94a3b8;
}

.input-group input {
    flex: 1;
    padding: 12px;
    border: none;
    outline: none;
}

.login-btn-submit {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

/* Dashboard */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #1e293b;
    color: white;
    position: fixed;
    height: 100vh;
}

.sidebar-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid #334155;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: #cbd5e1;
    text-decoration: none;
    transition: 0.3s;
    gap: 1rem;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background: #334155;
    color: white;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background: #f1f5f9;
}

.dashboard-header {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
}

.stat-card i {
    font-size: 2rem;
    color: #2563eb;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
}

/* Footer */
footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    color: #cbd5e1;
    margin-right: 1rem;
    font-size: 1.2rem;
    transition: 0.3s;
}

.social-links a:hover {
    color: #fbbf24;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .enrollment-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: 0.3s;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}