.container-features{max-width:900px;margin:0 auto;padding:0 1rem}.features-list-wrapper{margin-top:2rem}.features-controls{position:sticky;top:calc(var(--header-height, 56px) + 8px);z-index:30;width:calc(100% - 1.5rem);max-width:calc(100% - 1.5rem);min-width:44px;height:44px;min-height:44px;max-height:44px;box-sizing:border-box;margin-left:auto;margin-right:.75rem;background:#ffffffe0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--color-border, #e5e7eb);border-radius:999px;padding:.25rem;margin-bottom:2.5rem;box-shadow:0 8px 30px #0000000f;display:flex;align-items:center;will-change:transform,opacity;cursor:default;overflow:hidden;opacity:0;transform:translateY(22px);transition:opacity .75s cubic-bezier(.16,1,.3,1) .38s,transform .75s cubic-bezier(.16,1,.3,1) .38s}.is-visible .features-controls{opacity:1;transform:translateY(0)}@media(min-width:768px){.features-controls{width:calc(100% - 2rem);max-width:calc(100% - 2rem);margin-right:1rem}}.features-controls.is-collapsed{cursor:pointer}.features-controls.is-collapsed:hover{filter:brightness(1.02)}.features-search-box{position:relative;display:flex;align-items:center;width:100%;height:100%}.features-search-box .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--color-text-muted, #9ca3af);pointer-events:none;flex-shrink:0}.features-search-input{width:100%;height:100%;padding:.5rem 1rem .5rem 2.3rem;border-radius:999px;border:1px solid transparent;background:#f9fafb;font-size:.95rem;color:var(--color-text, #111827);outline:none;text-overflow:ellipsis;transition:background .2s ease,padding-right .2s ease}.features-search-input.has-value{padding-right:4.5rem}.features-controls.is-collapsed .features-search-input{pointer-events:none}.features-search-input:focus{background:#fff;border-color:#d1d5db;box-shadow:none;outline:none}.search-clear-btn{position:absolute;right:.35rem;top:50%;transform:translateY(-50%);background:#e5e7eb;border:none;border-radius:999px;padding:.38rem .95rem;font-size:.82rem;font-weight:500;color:#4b5563;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1;transition:background .2s,color .2s}.search-clear-btn:hover{background:#d1d5db;color:#111827}.features-vert-feed{display:flex;flex-direction:column;gap:3rem}.feature-card{background:var(--color-bg-subtle, #ffffff);border:1px solid var(--color-border, #e5e7eb);border-radius:44px;padding:1.5rem 1.5rem 1.85rem;box-shadow:var(--shadow-card, 0 4px 24px rgba(0, 0, 0, .05));scroll-margin-top:calc(var(--header-height, 56px) + 80px);display:flex;flex-direction:column;gap:1.5rem}.feature-card:first-of-type{opacity:0;transform:scale(.96) translateY(24px);will-change:transform,opacity;transition:opacity 1s cubic-bezier(.16,1,.3,1) .48s,transform 1s cubic-bezier(.16,1,.3,1) .48s}.is-visible .feature-card:first-of-type{opacity:1;transform:scale(1) translateY(0)}.feature-card:nth-of-type(2){opacity:0;transform:scale(.97) translateY(24px);will-change:transform,opacity;transition:opacity 1s cubic-bezier(.16,1,.3,1) .6s,transform 1s cubic-bezier(.16,1,.3,1) .6s}.is-visible .feature-card:nth-of-type(2){opacity:1;transform:scale(1) translateY(0)}.feature-card.has-guide-link{padding-bottom:1.25rem}@media(min-width:768px){.feature-card{padding:2rem 2rem 2.35rem;border-radius:52px;gap:1.75rem}.feature-card.has-guide-link{padding-bottom:1.6rem}}.feature-card-media-wrap{width:100%;aspect-ratio:4 / 3;border-radius:20px;overflow:hidden;background:var(--color-surface, #000000);box-shadow:0 4px 20px #0000001f;position:relative}.feature-card-media{width:100%;height:100%;object-fit:cover;display:block}.feature-card-content{display:flex;flex-direction:column;gap:.75rem}.feature-card-header{display:flex;align-items:center;justify-content:space-between}.feature-pill-badge{display:inline-flex;align-items:center;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#4b5563;background:#f3f4f6;border:1px solid #e5e7eb;padding:.25rem .65rem;border-radius:999px}.feature-index{font-size:.85rem;font-weight:600;color:var(--color-text-muted, #9ca3af);font-family:var(--font-mono, monospace)}.feature-card-title{font-size:1.5rem;font-weight:700;color:var(--color-text, #111827);line-height:1.3;margin:0}@media(min-width:768px){.feature-card-title{font-size:1.85rem}}.feature-card-desc{font-size:1.05rem;line-height:1.65;color:var(--color-text-dim, #4b5563)}.feature-card-desc a{color:var(--color-accent, #0071e3);text-decoration:underline;text-underline-offset:3px}.feature-card-footer{margin-top:.25rem}.feature-guide-btn{display:inline-flex;align-items:center;gap:.35rem;font-size:.95rem;font-weight:500;color:var(--color-text-dim, #6b7280);text-decoration:none;transition:color .2s ease;padding:0;line-height:1.3}.feature-guide-btn:hover{color:var(--color-text, #111827);font-weight:600}.features-empty-state{text-align:center;padding:4rem 1rem;color:var(--color-text-muted, #6b7280);display:flex;flex-direction:column;align-items:center;gap:1rem}