* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #0a0a0a;
    color: #fff;
    line-height: 1.6;
}

nav {
    position: fixed;
    width: 100%;
    padding: 1.5rem;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #9d4edd, #5a189a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #9d4edd;
}

.hero-section {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
                url('room.png');
    background-size: cover;
    background-position: center;
    text-align: center;
}

.section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.resource-card {
    background: rgba(25, 25, 25, 0.9);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s;
    cursor: pointer;
}

.resource-card:hover {
    transform: translateY(-5px);
    background: rgba(35, 35, 35, 0.9);
}

.resource-category {
    color: #9d4edd;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.resource-list {
    list-style: none;
}

.resource-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.resource-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #9d4edd;
}

.resource-list a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.resource-list a:hover {
    color: #9d4edd;
}

.course-section {
    background: rgba(20, 20, 20, 0.9);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.course-title {
    color: #9d4edd;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.course-content {
    padding-left: 1.5rem;
}

.course-list {
    list-style: none;
    margin-bottom: 1rem;
}

.course-list li {
    margin-bottom: 0.5rem;
    position: relative;
}

.course-list li::before {
    content: '•';
    color: #9d4edd;
    position: absolute;
    left: -1rem;
}

.tag {
    display: inline-block;
    background: rgba(157, 78, 221, 0.2);
    color: #9d4edd;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin: 0.3rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .section {
        padding: 2rem 1rem;
    }
}