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h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:700;margin-bottom:16px;letter-spacing:-.02em;color:var(--text-primary)}.hero-sub{color:var(--text-secondary);font-size:1.05rem;max-width:560px;margin:0 auto;line-height:1.7}.features{position:relative;z-index:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.feature-card{display:block;padding:28px 24px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;text-align:left;transition:all .35s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;animation:fadeUp .6s ease-out backwards}.feature-card:nth-child(1){animation-delay:.1s}.feature-card:nth-child(2){animation-delay:.2s}.feature-card:nth-child(3){animation-delay:.3s}.feature-card:nth-child(4){animation-delay:.4s}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity 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