.service-card{transform:translateY(30px);opacity:0;transition:transform .6s ease,opacity .6s ease,box-shadow .3s ease}.service-card.animated{transform:translateY(0);opacity:1}.service-card:first-child{transition-delay:0.1s}.service-card:nth-child(2){transition-delay:0.2s}.service-card:nth-child(3){transition-delay:0.3s}.service-card:nth-child(4){transition-delay:0.4s}.service-card{position:relative;overflow:hidden;border-top:4px solid transparent}.service-card:first-child{border-top-color:#4a6bff}.service-card:nth-child(2){border-top-color:#21759b}.service-card:nth-child(3){border-top-color:#4285f4}.service-card:nth-child(4){border-top-color:#ff4a6b}.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(74,107,255,.1) 0,rgba(255,74,107,.1) 100%);opacity:0;transition:opacity .3s ease;z-index:0}.service-card:hover::before{opacity:1}.service-card>*{position:relative;z-index:1}.service-features{margin-top:20px;text-align:left}.service-features li{margin-bottom:8px;position:relative;padding-left:25px}.service-features li::before{content:'✓';position:absolute;left:0;color:var(--primary-color);font-weight:700}.portfolio-section{background-color:#f8f9fa}.portfolio-grid{margin-top:30px}.portfolio-item{transform:scale(.95);opacity:0;transition:transform .6s ease,opacity .6s ease,box-shadow .3s ease}.portfolio-item.animated{transform:scale(1);opacity:1}.portfolio-item:first-child{transition-delay:0.1s}.portfolio-item:nth-child(2){transition-delay:0.2s}.portfolio-item:nth-child(3){transition-delay:0.3s}.portfolio-item:nth-child(4){transition-delay:0.4s}.portfolio-item:nth-child(5){transition-delay:0.5s}.portfolio-item:nth-child(6){transition-delay:0.6s}.portfolio-description{margin-top:10px;color:#fff;opacity:0;transform:translateY(20px);transition:transform .4s ease .2s,opacity .4s ease .2s}.portfolio-item:hover .portfolio-description{opacity:1;transform:translateY(0)}.portfolio-btn{margin-top:15px;padding:8px 15px;background:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:.9rem;opacity:0;transform:translateY(20px);transition:transform .4s ease .3s,opacity .4s ease .3s,background .3s ease}.portfolio-item:hover .portfolio-btn{opacity:1;transform:translateY(0)}.portfolio-btn:hover{background:var(--secondary-color)}.case-studies{background-color:#fff}.case-study{display:flex;align-items:center;margin-bottom:60px;flex-wrap:wrap}.case-study:last-child{margin-bottom:0}.case-study-image{flex:1;min-width:300px;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow)}.case-study-image img{width:100%;height:auto;transition:transform .5s ease}.case-study:hover .case-study-image img{transform:scale(1.05)}.case-study-content{flex:1;padding:30px;min-width:300px}.case-study-title{font-size:1.8rem;margin-bottom:15px;color:var(--dark-color)}.case-study-category{display:inline-block;background:var(--primary-color);color:#fff;padding:5px 15px;border-radius:20px;font-size:.9rem;margin-bottom:20px}.case-study-description{margin-bottom:20px;color:#666}.case-study-stats{display:flex;gap:20px;margin-bottom:20px}.stat{text-align:center}.stat-value{font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:5px}.stat-label{font-size:.9rem;color:#666}.testimonials{background:linear-gradient(135deg,#f5f7fa 0,#e4e8f0 100%)}.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.testimonial-card{background:#fff;border-radius:var(--border-radius);padding:30px;box-shadow:var(--box-shadow);position:relative}.testimonial-card::before{content:'"';position:absolute;top:20px;left:20px;font-size:4rem;color:rgba(74,107,255,.1);font-family:Georgia,serif;line-height:1}.testimonial-content{margin-bottom:20px;font-style:italic;color:#555;position:relative;z-index:1}.testimonial-author{display:flex;align-items:center}.testimonial-avatar{width:50px;height:50px;border-radius:50%;overflow:hidden;margin-right:15px}.testimonial-avatar img{width:100%;height:100%;object-fit:cover}.testimonial-info h4{margin:0;color:var(--dark-color)}.testimonial-info p{margin:5px 0 0;font-size:.9rem;color:#666}.tech-logo{transform:translateY(30px);opacity:0;transition:transform .6s ease,opacity .6s ease,filter .3s ease}.tech-logo.animated{transform:translateY(0);opacity:.7}.tech-logo:first-child{transition-delay:0.1s}.tech-logo:nth-child(2){transition-delay:0.2s}.tech-logo:nth-child(3){transition-delay:0.3s}.tech-logo:nth-child(4){transition-delay:0.4s}@media (max-width:992px){.case-study{flex-direction:column}.case-study-image{margin-bottom:30px;width:100%}.case-study-content{width:100%;padding:0}}@media (max-width:768px){.case-study-stats{flex-wrap:wrap}.stat{flex:1;min-width:120px}}