@import url('https://fonts.googleapis.com/css2?family=Epunda+Slab:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap');

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

body {
    font-family: 'Epunda Slab', serif;
    background: white;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

.name-title {
    position: absolute;
    top: 30px;
    left: 30px;
    font-size: 32px;
    font-weight: 400;
    color: rgba(0, 0, 0, 0.6);
    z-index: 100;
    letter-spacing: 0.5px;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, transparent 0%, transparent 45%, #dbd6ff 45%, #dbd6ff 46.75%, transparent 46.75%, transparent 100%),
        linear-gradient(135deg, transparent 0%, transparent 65%, #ccfcff 65%, #ccfcff 66.75%, transparent 66.75%, transparent 100%),
        linear-gradient(135deg, transparent 0%, transparent 25%, #f7d0ff 25%, #f7d0ff 26.75%, transparent 26.75%, transparent 100%);
    z-index: -1;
    pointer-events: none;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 60px 20px 40px;
    min-height: 100vh;
}

.main-header {
    text-align: center;
    margin-bottom: 60px;
}

.main-header h1 {
    font-size: 3.5rem;
    font-weight: 400;
    color: black;
    letter-spacing: 1px;
}

.content {
    width: 100%;
    max-width: 1400px;
}

.part-section {
    margin-bottom: 80px;
}

.part-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: black;
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 0.5px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.course-card {
    background: rgba(250, 250, 253, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.course-name {
    font-size: 1.4rem;
    font-weight: 400;
    color: black;
    text-align: center;
    margin: 0;
    letter-spacing: 0.3px;
}

.course-links {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.course-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    text-decoration: none;
    color: black;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.course-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 12px;
    transition: opacity 0.3s ease-out;
    opacity: 0;
}

.course-link:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.2);
}

.course-link:hover::before {
    opacity: 1;
}

.course-link svg {
    width: 20px;
    height: 20px;
    z-index: 1;
    position: relative;
}

.pdf-link {
    border-color: rgba(220, 38, 127, 0.3);
}

.pdf-link:hover {
    background: rgba(220, 38, 127, 0.1);
    border-color: rgba(220, 38, 127, 0.5);
}

.tex-link {
    border-color: rgba(51, 122, 183, 0.3);
}

.tex-link:hover {
    background: rgba(51, 122, 183, 0.1);
    border-color: rgba(51, 122, 183, 0.5);
}

/* Footer styles */
.footer {
    text-align: center;
    margin-top: 60px;
    padding: 30px 20px;
}

.footer p {
    font-size: 1rem;
    color: rgba(0, 0, 0, 0.7);
    margin: 0;
}

.footer-link {
    color: rgba(0, 0, 0, 0.8);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease-out;
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}

.footer-link:hover {
    color: black;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    text-decoration: none;
}

/* Responsive design */
@media (max-width: 768px) {
    .name-title {
        font-size: 28px;
        top: 20px;
        left: 20px;
    }
    
    .container {
        padding: 50px 15px 30px;
    }
    
    .main-header h1 {
        font-size: 2.5rem;
    }
    
    .part-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 500px;
    }
    
    .course-card {
        padding: 25px 20px;
        border-radius: 16px;
    }
    
    .course-name {
        font-size: 1.2rem;
    }
    
    .course-links {
        gap: 12px;
    }
    
    .course-link {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    .course-link svg {
        width: 18px;
        height: 18px;
    }
    
    .part-section {
        margin-bottom: 60px;
    }
    
    .footer {
        margin-top: 40px;
        padding: 25px 15px;
    }
    
    .footer p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .name-title {
        font-size: 24px;
        top: 15px;
        left: 15px;
    }
    
    .container {
        padding: 45px 10px 25px;
    }
    
    .main-header {
        margin-bottom: 40px;
    }
    
    .main-header h1 {
        font-size: 2rem;
    }
    
    .part-title {
        font-size: 1.7rem;
        margin-bottom: 25px;
    }
    
    .course-card {
        padding: 20px 15px;
        border-radius: 14px;
    }
    
    .course-name {
        font-size: 1.1rem;
    }
    
    .course-links {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .course-link {
        justify-content: center;
        padding: 12px 16px;
        width: 100%;
    }
    
    .part-section {
        margin-bottom: 50px;
    }
    
    .footer {
        margin-top: 30px;
        padding: 20px 10px;
    }
    
    .footer p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .footer-link {
        padding: 6px 10px;
        font-size: 0.9rem;
    }
}

/* Print styles */
@media print {
    body::before {
        display: none;
    }
    
    .name-title {
        position: static;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .course-card {
        background: white;
        border: 1px solid #ddd;
        break-inside: avoid;
        margin-bottom: 15px;
    }
    
    .course-link {
        background: #f8f9fa;
        border: 1px solid #ddd;
    }
}