.features-hero-section{padding:var(--section-padding);position:relative;overflow:hidden}.features-hero-section .hero-content{position:relative;z-index:1;text-align:center}.core-features-section{padding:var(--section-padding);background:#fff}.feature-detail-card{background:#fff;border-radius:24px;padding:3rem;box-shadow:var(--shadow-sm);border:1px solid #f1f5f9;transition:.3s;height:100%;position:relative;overflow:hidden}.feature-detail-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:#e2e8f0}.feature-icon-large{font-size:4rem;margin-bottom:2rem;color:var(--primary-color)}.feature-content{margin-bottom:2rem}.feature-detail-card .feature-title{font-size:2rem;font-weight:700;margin-bottom:1.5rem;color:#1e293b}.feature-detail-card .feature-description{font-size:1.1rem;line-height:1.6;margin-bottom:2rem;color:#64748b}.feature-benefits{list-style:none;padding:0;margin:0}.feature-benefits li{display:flex;align-items:center;margin-bottom:1rem;font-size:1rem;color:#374151}.feature-benefits i{margin-right:.75rem;font-size:1.1rem}.additional-features-section{padding:var(--section-padding);background:var(--bg-light)}.additional-feature-card{background:#fff;border-radius:20px;padding:2.5rem;text-align:center;box-shadow:var(--shadow-sm);transition:.3s;height:100%;border:1px solid #f1f5f9}.additional-feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#e2e8f0}.additional-feature-card .feature-icon{font-size:3rem;color:var(--primary-color);margin-bottom:1.5rem}.additional-feature-card .feature-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:#1e293b}.additional-feature-card .feature-description{font-size:1rem;line-height:1.6;color:#64748b}.how-it-works-detailed-section{padding:var(--section-padding);background:#fff}.workflow-container{max-width:1200px;margin:0 auto}.workflow-content{padding:2rem 0}.workflow-step{width:80px;height:80px;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin-bottom:2rem;box-shadow:0 10px 30px rgba(79,172,254,.3)}.workflow-title{font-size:2rem;font-weight:700;margin-bottom:1.5rem;color:#1e293b}.workflow-description{font-size:1.1rem;line-height:1.6;color:#64748b;margin-bottom:2rem}.workflow-details{list-style:none;padding:0;margin:0}.workflow-details li{display:flex;align-items:center;margin-bottom:.75rem;font-size:1rem;color:#374151;position:relative;padding-left:2rem}.workflow-details li::before{content:'→';position:absolute;left:0;color:var(--primary-color);font-weight:700;font-size:1.2rem}.workflow-image-placeholder{height:300px}.video-demo-section{padding:var(--section-padding);background:var(--bg-light)}.video-container{max-width:1200px;margin:0 auto}.video-placeholder.large{background:linear-gradient(135deg,#1e293b 0,#334155 100%);border-radius:24px;height:700px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}.video-placeholder .placeholder-content{position:relative;z-index:1;text-align:center;color:#94a3b8}.video-placeholder .placeholder-icon.extra-large{font-size:6rem;margin-bottom:2rem;color:#64748b}.btn-play.large{background:var(--primary-color);color:#fff;border:none;padding:1.5rem 3rem;border-radius:16px;font-weight:600;font-size:1.2rem;margin-top:2rem;transition:.3s;box-shadow:0 8px 25px rgba(37,99,235,.3)}.btn-play.large:hover{background:var(--primary-hover);transform:translateY(-3px);box-shadow:0 12px 35px rgba(37,99,235,.4)}@media (max-width:768px){.additional-feature-card,.feature-detail-card{padding:2rem;margin-bottom:2rem}.workflow-step{width:60px;height:60px;font-size:1.5rem}.workflow-title{font-size:1.5rem}.video-placeholder.large{height:500px}.video-placeholder .placeholder-icon.extra-large{font-size:4rem}.btn-play.large{padding:1rem 2rem;font-size:1rem}}@media (max-width:576px){.additional-features-section,.core-features-section,.features-hero-section,.how-it-works-detailed-section,.video-demo-section{padding:60px 0}.additional-feature-card,.feature-detail-card{padding:1.5rem}.workflow-content{padding:1rem 0}.video-placeholder.large{height:400px}}