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

:root {
    --primary-color: #4e54c8;
    --secondary-color: #8f94fb;
    --accent-color: #ff6b6b;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(to right, #fdfbfb, #ebedee);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Navigation */
nav {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-links a:hover, .nav-links a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Home Section */
#home {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(78, 84, 200, 0.8), rgba(143, 148, 251, 0.8)), url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.home-content {
    max-width: 800px;
    margin: 0 auto;
}

.home-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.home-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.3);
}

/* Class Schedule Section */
#schedule {
    background-color: white;
}

.schedule-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.class-card {
    background: linear-gradient(to bottom right, white, #f1f3ff);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.class-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.class-code {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.class-name {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.class-schedule {
    display: flex;
    align-items: center;
    color: #666;
}

.class-schedule i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* About Me */
#about {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hobbies, .moods, .friends {
    margin-bottom: 30px;
}

.hobby-list, .mood-list, .friend-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.hobby-item, .mood-item, .friend-item {
    background: white;
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.hobby-item:hover, .mood-item:hover, .friend-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hobby-item i, .mood-item i {
    margin-right: 8px;
    color: var(--accent-color);
}

.friend-item img {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    margin-right: 8px;
    object-fit: cover;
}

/* Friend */
.friend-info {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    text-align: center;
}

.friend-item:hover .friend-info {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

.friend-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 10px;
    object-fit: cover;
}

.friend-info h4 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.friend-info p {
    font-size: 0.9rem;
    color: #666;
}

/* Contact */
#contact {
    background-color: white;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 20px;
    border-radius: 10px;
    transition: var(--transition);
}

.contact-item:hover {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
}

.contact-item:hover i {
    color: white;
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--primary-color);
    transition: var(--transition);
}

.contact-form {
    background: linear-gradient(to bottom right, white, #f1f3ff);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(78, 84, 200, 0.2);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-btn {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Error message for form validation */
.error-message {
    color: #e53935;
    font-size: 0.95rem;
    margin-top: 5px;
    min-height: 18px;
    transition: all 0.2s;
}

/* Loading overlay styles */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255,255,255,0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid var(--primary-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    text-align: center;
    padding: 30px 0;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Design */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }
    
    .nav-links {
        margin-top: 20px;
    }
    
    .nav-links li {
        margin: 0 10px;
    }
    
    .home-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links li {
        margin: 5px 10px;
    }
    
    .home-content h1 {
        font-size: 2rem;
    }
    
    .home-content p {
        font-size: 1rem;
    }
    
    .friend-info {
        width: 150px;
    }
}

     .girlfriend {
            margin-bottom: 30px;
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
        }
        
        .girlfriend::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, #ff6b6b, #ff8e8e);
        }
        
        .girlfriend-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        
        .girlfriend-image {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            overflow: hidden;
            margin-bottom: 20px;
            border: 5px solid #ffebee;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .girlfriend-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .girlfriend-details {
            margin-bottom: 20px;
        }
        
        .girlfriend-details h4 {
            font-size: 1.5rem;
            color: #d32f2f;
            margin-bottom: 10px;
        }
        
        .girlfriend-details p {
            color: #666;
            margin-bottom: 8px;
        }
        
        .relationship-stats {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 20px;
        }
        
        .stat {
            text-align: center;
        }
        
        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #d32f2f;
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: #666;
        }
        
        .love-quote {
            font-style: italic;
            color: #e57373;
            text-align: center;
            margin-top: 20px;
            padding: 15px;
            background: #ffebee;
            border-radius: 10px;
            position: relative;
        }
        
        .love-quote::before, .love-quote::after {
            content: '"';
            font-size: 2rem;
            color: #e57373;
            position: absolute;
        }
        
        .love-quote::before {
            top: 5px;
            left: 10px;
        }
        
        .love-quote::after {
            bottom: 5px;
            right: 10px;
        }
        
        .memory-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
            margin-top: 25px;
        }
        
        .memory-item {
            border-radius: 10px;
            overflow: hidden;
            height: 120px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .memory-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        .memory-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        @media (max-width: 768px) {
            .relationship-stats {
                gap: 15px;
            }
            
            .stat-number {
                font-size: 1.5rem;
            }
            
            .memory-gallery {
                grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            }
            
            .memory-item {
                height: 100px;
            }
        }