/* ============================================
   Features Page Styles
   ============================================ */

/* Feature page category headers */
.feature-category-header {
    text-align: center;
    margin-bottom: 2.5rem;
}
.feature-category-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.feature-category-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Two-column feature layout (text + visual) */
.feature-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}
@media (max-width: 1024px) {
    .feature-cols { grid-template-columns: 1fr; gap: 2rem; }
}

/* Feature list items */
.feat-list { display: flex; flex-direction: column; gap: 1.25rem; }
.feat-item { display: flex; gap: 0.85rem; align-items: flex-start; }
.feat-icon {
    width: 36px; height: 36px; min-width: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    background: var(--bg-dark-surface);
    color: var(--text-muted);
    font-size: 0.85rem;
}
.feat-item h4 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.2rem; }
.feat-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 640px) {
    .feat-list {
        flex-direction: row;
        overflow-x: hidden;
        gap: 1rem;
        padding: 0 1rem;
        scrollbar-width: none;
    }
    .feat-list::-webkit-scrollbar { display: none; }
    .feat-list > .feat-item {
        flex: 0 0 80%;
    }
}

/* Inline scroll dots (for feat-list / mockup-pair) */
.scroll-dots {
    display: none;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0 0;
}
.scroll-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    transition: background 0.2s, transform 0.2s;
}
.scroll-dot--active {
    background: rgba(255,255,255,0.6);
    transform: scale(1.3);
}
@media (max-width: 640px) {
    .scroll-dots { display: flex; }
}

/* Mockup pair (two mockups side by side) */
.mockup-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 640px) {
    .mockup-pair {
        display: flex;
        overflow-x: hidden;
        gap: 1rem;
        padding: 0 1rem;
        scrollbar-width: none;
    }
    .mockup-pair::-webkit-scrollbar { display: none; }
    .mockup-pair > * { flex: 0 0 85%; }
}

/* Tools grid (horizontal scroll with arrows) */
.tools-grid {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 0.5rem 0;
}
.tools-grid::-webkit-scrollbar { display: none; }
.tool-card {
    background: var(--bg-dark-surface);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    flex: 0 0 280px;
    scroll-snap-align: start;
}
@media (max-width: 640px) {
    .tool-card { flex: 0 0 80%; }
}
.tool-card-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px;
    background: var(--bg-dark-surface);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0.85rem;
}
.tool-card h4 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.4rem; }
.tool-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

/* ---- Nova LDIM Section ---- */
.nova-section {
    background: var(--bg-dark-surface);
    padding: 5rem 2rem;
}
.nova-badge {
    display: inline-block;
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: #3E67A1;
    background: rgba(62,103,161,0.08);
    border: 1px solid rgba(62,103,161,0.15);
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
    margin-bottom: 0.85rem;
}
.nova-section .feature-category-header h2 { color: #ffffff; }
.nova-section .feature-category-header p  { color: rgba(255,255,255,0.55); }
.nova-section .feat-icon { background: rgba(255,255,255,0.06); color: #fff; }
.nova-section .feat-item h4 { color: #ffffff; }
.nova-section .feat-item p  { color: rgba(255,255,255,0.5); }

/* Nova pipeline steps */
.nova-pipeline { display: flex; flex-direction: column; gap: 0; }
.nova-step {
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    display: flex; align-items: flex-start; gap: 0.85rem;
}
.nova-step:hover { border-color: rgba(255,255,255,0.12); }
.nova-step--final { border-color: rgba(255,255,255,0.1); background: rgba(255,255,255,0.03); }
.nova-num {
    width: 26px; height: 26px; min-width: 26px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08); color: #fff;
    font-size: 0.7rem; font-weight: 600;
}
.nova-label { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 0.1rem; }
.nova-desc  { font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.4; }
.nova-conn  { width: 1px; height: 14px; background: rgba(255,255,255,0.1); margin-left: 36px; }

/* ---- Mockup shells (dark app UI replicas) ---- */
.mockup {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
}
.mockup--dark  { background: #181818; color: #ccc; }
.mockup--light { background: #fff; color: #1a202c; border: 1px solid #e2e8f0; }

/* Chat mockup */
.mk-chat { padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; background: #1A1A1A; }
.mk-msg  { display: flex; gap: 0.65rem; align-items: flex-start; }
.mk-bubble { line-height: 1.6; font-size: 0.82rem; color: #ccc; }
.mk-author { font-weight: 600; font-size: 0.75rem; color: #7A7A7A; margin-bottom: 0.25rem; }
.mk-cite   { color: #fff; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }

/* Chat input mockup */
.mk-input { background: #1A1A1A; padding: 0 1.25rem 1rem; }
.mk-input-inner { background: #252525; border-radius: 1.25rem; overflow: hidden; }
.mk-input-text { padding: 0.65rem 0.85rem; color: rgba(255,255,255,0.35); font-size: 0.82rem; }
.mk-input-bar  { padding: 0.4rem 0.65rem 0.6rem; display: flex; align-items: center; gap: 0.5rem; }
.mk-input-divider { width: 1px; height: 20px; background: rgba(255,255,255,0.1); }
.mk-filters { display: flex; align-items: center; gap: 0.4rem; font-size: 0.72rem; color: #5A5A5A; }
.mk-flag { width: 28px; height: 28px; border-radius: 50%; overflow: hidden; border: 2px solid rgba(255,255,255,0.1); flex-shrink: 0; position: relative; }
.mk-flag img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.mk-current { display: flex; align-items: center; gap: 0.35rem; font-size: 0.72rem; font-weight: 500; color: #ccc; }
.mk-toggle { width: 28px; height: 16px; background: #5A5A5A; border-radius: 8px; position: relative; }
.mk-toggle::after { content: ''; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; background: #ccc; border-radius: 50%; }
.mk-spacer { flex: 1; }
.mk-send { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; background: #7A7A7A; color: #181818; border-radius: 50%; font-size: 0.7rem; }

/* Panel mockup (sidebar) */
.mk-panel { min-height: 320px; display: flex; flex-direction: column; }
.mk-ph { display: flex; align-items: center; gap: 0.45rem; padding: 0.65rem 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 0.75rem; font-weight: 500; color: #7A7A7A; }
.mk-ph-right { margin-left: auto; display: flex; gap: 0.5rem; }

/* Tree view mockup */
.mk-tree { flex: 1; padding: 0.35rem 0; }
.mk-tsec { font-size: 0.6rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: #5A5A5A; padding: 0.3rem 0.85rem; }
.mk-ti { display: flex; align-items: center; gap: 0.375rem; padding: 0 0.5rem 0 8px; font-size: 0.8125rem; color: #ccc; min-height: 1.75rem; user-select: none; }
.mk-ti:hover { background: rgba(255,255,255,0.03); }
.mk-ti--active { background: #1A1A1A; color: #fff; }
.mk-ti--drag { opacity: 0.7; border: 1px dashed rgba(230,204,128,0.3); border-radius: 4px; margin: 0.1rem 0.2rem; }
.mk-drag-hint { margin-left: auto; font-size: 0.6rem; color: #E6CC80; opacity: 0.7; white-space: nowrap; }

/* Source panel mockup */
.mk-sources { flex: 1; padding: 0.6rem; }
.mk-sg { font-size: 0.65rem; font-weight: 500; color: #5A5A5A; padding: 0.2rem 0.2rem 0.4rem; }
.mk-src { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.04); border-radius: 6px; margin-bottom: 0.4rem; overflow: hidden; }
.mk-src-h { display: flex; align-items: flex-start; padding: 0.65rem; gap: 0.55rem; }
.mk-src-n { min-width: 20px; height: 20px; background: #252525; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #ccc; font-size: 0.65rem; font-weight: 600; flex-shrink: 0; }
.mk-src--exp .mk-src-n { background: #E6CC80; color: #181818; }
.mk-src-title { font-size: 0.75rem; font-weight: 500; color: #ccc; line-height: 1.3; margin-bottom: 0.2rem; }
.mk-src-meta { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.mk-src-badge { font-size: 0.55rem; padding: 0.08rem 0.35rem; border-radius: 3px; background: rgba(255,255,255,0.07); color: #ccc; }
.mk-src-body { padding: 0 0.65rem 0.65rem; }
.mk-src-preview { background: rgba(0,0,0,0.3); border-radius: 5px; padding: 0.6rem; font-size: 0.7rem; color: #7A7A7A; line-height: 1.55; margin-bottom: 0.4rem; }
.mk-src-link { display: inline-flex; align-items: center; gap: 0.3rem; color: #3b82f6; font-size: 0.7rem; text-decoration: none; }

/* Favicon wrappers (matching app's .favicon-wrapper) */
.mk-fav { background: #fff; border-radius: 50%; padding: 2px; display: flex; align-items: center; justify-content: center; opacity: 0.8; }
.mk-fav img { width: 14px; height: 14px; border-radius: 50%; display: block; }

/* Word doc mockup */
.mk-doc { min-height: 320px; }
.mk-doc-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.6rem 0.85rem; background: #f0f0f0; border-bottom: 1px solid #e2e8f0; font-size: 0.75rem; color: #4a5568; }
.mk-doc-body { padding: 1.5rem; }
.mk-doc-title { font-size: 1.1rem; font-weight: 700; color: #1a202c; margin-bottom: 0.2rem; }
.mk-doc-meta { font-size: 0.7rem; color: #a0aec0; margin-bottom: 1.2rem; padding-bottom: 0.75rem; border-bottom: 1px solid #e2e8f0; }
.mk-doc-h { font-size: 0.8rem; font-weight: 700; color: #2d3748; margin-bottom: 0.3rem; margin-top: 0.65rem; }
.mk-doc-p { font-size: 0.75rem; color: #4a5568; line-height: 1.65; }
.mk-doc-ref { font-size: 0.7rem; color: #718096; padding: 0.1rem 0; }