.sticky-features-section{padding:var(--spacing-section-lg) 0;background-color:var(--surface-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);position:relative}.sticky-features-container{max-width:1280px;padding:0 var(--spacing-xl);margin:0 auto}.sticky-features-grid{grid-template-columns:1fr 1.2fr;align-items:start;gap:80px;display:grid}.sticky-left-content{height:fit-content;position:sticky;top:140px}.premium-badge{background:var(--primary-100);color:var(--primary);border-radius:var(--rounded-full);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-md);padding:4px 12px;font-size:11px;font-weight:700;display:inline-block}.sticky-left-inner .heading-lg{margin-bottom:var(--spacing-md);color:var(--ink-strong);letter-spacing:-.02em;font-size:48px;line-height:1.1}.sticky-left-inner .subtitle{color:var(--steel);max-width:440px;margin-bottom:40px;font-size:18px;line-height:1.6}.sticky-features-nav ul{flex-direction:column;gap:0;margin:0;padding:0;list-style:none;display:flex}.nav-item{cursor:pointer;text-align:left;border:none;border-bottom:1px solid var(--hairline-soft);background:0 0;align-items:center;gap:20px;width:100%;padding:16px 0;transition:all .4s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.nav-item:last-child{border-bottom:none}.nav-number{color:var(--stone);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;transition:color .4s}.nav-text{color:var(--slate);font-size:18px;font-weight:600;transition:all .4s}.nav-dot{background-color:var(--primary);opacity:0;border-radius:50%;width:6px;height:6px;margin-left:auto;transition:all .4s cubic-bezier(.175,.885,.32,1.275);transform:scale(.5)}.nav-item.active{padding-left:15px}.nav-item.active .nav-number{color:var(--primary);transform:scale(1.1)}.nav-item.active .nav-text{color:var(--ink-strong);font-weight:700;transform:translate(8px)}.nav-item.active .nav-dot{opacity:1;background-color:var(--primary);box-shadow:0 0 10px var(--primary-200);transform:scale(1.2)}.sticky-right-content{position:relative}.feature-cards-stack{flex-direction:column;gap:30vh;padding-bottom:20vh;display:flex}.feature-content-card{background:var(--canvas);border-radius:var(--rounded-xxl);border:1px solid var(--hairline);width:100%;transition:transform .6s cubic-bezier(.22,1,.36,1),box-shadow .6s;position:sticky;box-shadow:0 10px 30px -10px #0000001a}.card-inner{background:var(--canvas);border-radius:var(--rounded-xxl);padding:60px}.feature-content-card:before{content:"";z-index:2;background:linear-gradient(90deg,#0000,#fffc,#0000);height:1px;position:absolute;top:-1px;left:0;right:0}.feature-content-card:not(:last-child){box-shadow:0 20px 50px -20px #00000026}.feature-card-icon{width:80px;height:80px;color:var(--ink-strong);margin-bottom:32px}.feature-card-heading{color:var(--ink-strong);letter-spacing:-.01em;margin-bottom:20px;font-size:32px;font-weight:800}.feature-card-description{color:var(--font-400);font-size:18px;line-height:1.6}.feature-content-card{transition:transform .5s,box-shadow .5s,filter .5s}@media (max-width:1024px){.sticky-features-grid{grid-template-columns:1fr;gap:40px}.sticky-left-content{position:relative;top:0}.sticky-left-inner .heading-lg{font-size:32px}.sticky-features-nav{display:none}.feature-cards-stack{gap:32px;padding-bottom:0}.feature-content-card{position:relative!important;top:0!important}.card-inner{padding:32px}}@media (prefers-reduced-motion:reduce){.feature-content-card{transition:none}}