.about-page{background:var(--color-background);min-height:100vh;color:var(--color-text);padding:200px 20px 40px;max-width:1400px;margin:0 auto}.section-title{text-align:center;font-size:2.5rem;margin-bottom:4rem;color:var(--color-text);font-weight:600;position:relative;z-index:1}h1,h2,h3,h4,h5,h6{color:var(--color-text);margin-bottom:1rem}p{color:var(--color-text-secondary);margin-bottom:1rem;line-height:1.6}a{color:var(--color-primary);text-decoration:none;transition:opacity var(--transition-base)}a:hover{opacity:.8}.skills-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding:0 2rem 4rem;max-width:1200px;margin:0 auto;position:relative;z-index:1}.skill-card{background:rgba(255,255,255,.03);border-radius:20px;padding:2rem;transition:all .3s ease;border:1px solid rgba(255,255,255,.1);color:var(--color-text);position:relative;z-index:2;overflow:hidden}.skill-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2)}.skill-icon{margin-bottom:1.5rem;font-size:2.5rem;color:var(--color-primary);text-align:center}.skill-info{margin-top:1rem;position:relative}.skill-info h3{font-size:1.4rem;margin-bottom:1rem;color:var(--color-text)}.skill-info p{color:var(--color-text-secondary);line-height:1.6;margin-bottom:1rem;font-size:.9rem}.skill-bar{width:100%;height:8px;background:rgba(255,255,255,.1);border-radius:3px;margin-top:1.5rem;position:relative}.skill-level{position:absolute;right:0;bottom:12px;color:var(--color-text-secondary);font-size:.9rem;opacity:.8;text-transform:uppercase;letter-spacing:.5px;font-weight:500}.skill-card:first-child .skill-level{color:#f7df1e}.skill-card:nth-child(2) .skill-level{color:#00599c}.skill-card:nth-child(3) .skill-level{color:red}.skill-card:hover .skill-level{opacity:1}[data-level=Beginner] .skill-progress{width:25%}[data-level=Intermediate] .skill-progress{width:50%}[data-level=Proficient] .skill-progress{width:75%}[data-level=Advanced] .skill-progress{width:85%}[data-level=Expert] .skill-progress{width:95%}.timeline-section{margin-top:6rem}.timeline{position:relative;margin:30px 0;padding-left:50px;width:calc(100% - 50px);max-width:1100px;margin:0 auto}.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,rgba(255,255,255,0) 0,rgba(255,255,255,.1) 15%,rgba(255,255,255,.1) 85%,rgba(255,255,255,0) 100%)}.timeline-item{position:relative;margin-bottom:20px;opacity:0;transform:translateX(-20px);transition:all .5s ease}.timeline-item{opacity:1;transform:translateX(0)}.timeline-dot{position:absolute;left:-67px;width:10px;height:10px;background:var(--color-primary);border-radius:50%;border:2px solid rgba(255,255,255,.1);box-shadow:0 0 10px rgba(255,255,255,.1);top:5px}.timeline-date{position:absolute;left:-40px;top:0;color:var(--text-color);font-size:.9rem;opacity:.7}.timeline-content{background:rgba(255,255,255,.03);padding:2rem;border-radius:20px;border:1px solid rgba(255,255,255,.1);transition:all .3s ease}.timeline-content:hover{transform:translateY(-5px);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2)}.timeline-content h3{margin:0 0 8px 0;color:var(--color-text);font-size:1.4rem}.timeline-content p{margin:0;color:var(--color-text-secondary);font-size:.9rem;line-height:1.6}.timeline-item:first-child{transition-delay:0.1s}.timeline-item:nth-child(2){transition-delay:0.2s}.timeline-item:nth-child(3){transition-delay:0.3s}.timeline-item:nth-child(4){transition-delay:0.4s}.skills-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding:2rem}@media (max-width:768px){.timeline-content{margin-left:0;transform:none;width:100%}.timeline-item:nth-child(2n) .timeline-content{margin-right:0}.timeline::before{left:20px}.timeline-content::before{left:-40px}.timeline-item:nth-child(2n) .timeline-content::before{left:-40px;right:auto}}.timeline-section{position:relative;z-index:1;padding-top:2rem}.intro-section{text-align:center;margin-bottom:6rem}.main-title{font-size:3.5rem;margin-bottom:2rem;background:linear-gradient(45deg,#fff,#999);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.intro-text{font-size:1.2rem;max-width:800px;margin:0 auto;color:var(--color-text-secondary);line-height:1.8}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;padding:0 2rem;max-width:1200px;margin:0 auto 6rem}.feature-card{background:rgba(255,255,255,.03);border-radius:20px;padding:2rem;transition:all .3s ease;border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;height:100%}.feature-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2)}.feature-icon{font-size:2rem;margin-bottom:1.5rem;color:var(--color-primary);flex-shrink:0}.feature-card h3{font-size:1.4rem;margin-bottom:1rem;color:var(--color-text);height:2em;display:flex;align-items:center;line-height:1.2}.feature-card p{color:var(--color-text-secondary);line-height:1.6;height:4.8em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical}.skill-progress{height:100%;background:linear-gradient(90deg,#f7df1e 0,#f0db4f 100%);border-radius:3px;position:relative;overflow:hidden}.skill-progress::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0,rgba(255,255,255,.5) 50%,transparent 100%);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translateX(0)}100%{transform:translateX(200%)}}.skill-card:first-child .skill-progress{background:linear-gradient(90deg,#f7df1e 0,#f0db4f 100%)}.skill-card:nth-child(2) .skill-progress{background:linear-gradient(90deg,#00599c 0,#004482 100%)}.skill-card:nth-child(3) .skill-progress{background:linear-gradient(90deg,red 0,#c00 100%)}.timeline-image{width:100%;height:100%;object-fit:cover}