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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 25%, #2d2d2d 50%, #1a1a1a 75%, #0c0c0c 100%);
    background-attachment: fixed;
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 226, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Back Button */
.back-button-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.back-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.back-btn:hover::before {
    left: 100%;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.1);
}

.back-arrow {
    font-size: 16px;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.back-btn:hover .back-arrow {
    transform: translateX(-3px);
}

/* Main Container */
.about-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 100px 30px 50px;
    min-height: 100vh;
}

.about-content {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 50px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: contentSlideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes contentSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header h1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.3));
}

.subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.section-content {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    line-height: 1.8;
}

.section-content p {
    margin-bottom: 20px;
}

.section-content p:last-child {
    margin-bottom: 0;
}

.section-content strong {
    color: #ffffff;
    font-weight: 600;
}

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 50px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 3px;
    filter: blur(1px);
}

/* Contact Links */
.contact-links {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.contact-icon {
    font-size: 18px;
}

/* Footer */
.footer {
    margin-top: 80px;
    padding: 40px 30px;
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px 24px 0 0;
    box-shadow: 
        0 -10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-info {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-info h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-info p {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 25px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .back-button-container {
        top: 15px;
        left: 15px;
    }
    
    .back-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .about-container {
        padding: 80px 20px 30px;
    }
    
    .about-content {
        padding: 30px 25px;
        border-radius: 20px;
    }
    
    .page-header h1 {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .about-section h2 {
        font-size: 26px;
    }
    
    .section-content {
        font-size: 15px;
    }
    
    .contact-links {
        gap: 12px;
    }
    
    .contact-link {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .footer {
        padding: 30px 20px;
        margin-top: 50px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .about-container {
        padding: 70px 15px 20px;
    }
    
    .about-content {
        padding: 25px 20px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .about-section h2 {
        font-size: 22px;
    }
    
    .section-content {
        font-size: 14px;
    }
    
    .contact-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .contact-link {
        justify-content: center;
    }
}