/* ============================================================
   QuietWire - quietkeep.css
   Page-specific styles for quietkeep/index.html
   All classes prefixed with "quietkeep-"
   ============================================================ */


/* ============================================================
   Hero
   ============================================================ */

.quietkeep-hero {
    padding: 5rem 1.5rem 4rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.quietkeep-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--status-progress);
    background: var(--status-progress-bg);
    border: 1px solid var(--status-progress-border);
    border-radius: 9999px;
    padding: 0.25rem 0.75rem;
    margin-bottom: 1.25rem;
}

.quietkeep-hero-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    color: var(--text);
    margin-bottom: 1rem;
}

.quietkeep-hero-title span {
    color: var(--primary);
}

.quietkeep-hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 480px;
}

.quietkeep-hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.quietkeep-hero-image {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.quietkeep-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}


/* ============================================================
   Stats bar
   ============================================================ */

.quietkeep-stats {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1.75rem 1.5rem;
}

.quietkeep-stats-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.quietkeep-stat {
    text-align: center;
    padding: 0.75rem;
}

.quietkeep-stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.quietkeep-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}


/* ============================================================
   Features
   ============================================================ */

.quietkeep-features {
    padding: 5rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.6rem;
    text-align: center;
}

.quietkeep-section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    text-align: center;
    margin-bottom: 0.75rem;
}

.quietkeep-section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 560px;
    margin: 0 auto 3rem;
    line-height: 1.65;
}

.quietkeep-features-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.quietkeep-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-color 0.2s;
}

.quietkeep-feature-card:hover {
    border-color: var(--primary-border);
}

.quietkeep-feature-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-dim);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    padding: 9px;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.quietkeep-feature-icon svg {
    width: 100%;
    height: 100%;
}

.quietkeep-feature-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.quietkeep-feature-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================================
   Screenshots
   ============================================================ */

.quietkeep-screenshots {
    padding: 5rem 1.5rem;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-tabs {
    max-width: 1100px;
    margin: 0 auto;
}

.quietkeep-tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.quietkeep-tab-btn {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.45rem 1rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    font-family: inherit;
}

.quietkeep-tab-btn:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.quietkeep-tab-btn.active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-dim);
}

.quietkeep-tab-panel {
    display: none;
}

.quietkeep-tab-panel.active {
    display: block;
}

.quietkeep-screenshot-frame {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.quietkeep-screenshot-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.quietkeep-screenshot-caption {
    padding: 0.875rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
}


/* ============================================================
   Architecture
   ============================================================ */

.quietkeep-architecture {
    padding: 5rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-arch-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.quietkeep-arch-diagram {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre;
    overflow-x: auto;
}

.quietkeep-arch-diagram .arch-highlight {
    color: var(--primary);
}

.quietkeep-arch-diagram .arch-accent {
    color: var(--accent);
}

.quietkeep-arch-points {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 0.5rem;
}

.quietkeep-arch-point {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.quietkeep-arch-point-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-dim);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    padding: 7px;
    margin-top: 2px;
}

.quietkeep-arch-point-icon svg {
    width: 100%;
    height: 100%;
}

.quietkeep-arch-point-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.quietkeep-arch-point-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
}


/* ============================================================
   Tech Stack
   ============================================================ */

.quietkeep-stack {
    padding: 5rem 1.5rem;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-stack-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.quietkeep-stack-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1rem;
    text-align: center;
    transition: border-color 0.2s;
}

.quietkeep-stack-card:hover {
    border-color: var(--primary-border);
}

.quietkeep-stack-layer {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.quietkeep-stack-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.quietkeep-stack-version {
    font-size: 0.75rem;
    color: var(--primary);
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}


/* ============================================================
   Project Status
   ============================================================ */

.quietkeep-status {
    padding: 5rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-status-columns {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.quietkeep-status-col {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.quietkeep-status-col-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-status-col-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.quietkeep-status-col-dot.done       { background: var(--status-done); }
.quietkeep-status-col-dot.progress   { background: var(--status-progress); }
.quietkeep-status-col-dot.planned    { background: var(--status-planned); }

.quietkeep-status-col-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
}

.quietkeep-status-col-count {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 9999px;
    padding: 0.1rem 0.55rem;
}

.quietkeep-status-items {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.quietkeep-status-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
    padding-left: 0.75rem;
    position: relative;
}

.quietkeep-status-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border);
}

.quietkeep-status-col.done .quietkeep-status-item::before   { background: var(--status-done); }
.quietkeep-status-col.progress .quietkeep-status-item::before { background: var(--status-progress); }
.quietkeep-status-col.planned .quietkeep-status-item::before  { background: var(--status-planned); }


/* ============================================================
   Requirements
   ============================================================ */

.quietkeep-requirements {
    padding: 5rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.quietkeep-req-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.quietkeep-req-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.quietkeep-req-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.quietkeep-req-table th {
    text-align: left;
    padding: 0.7rem 1rem;
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}

.quietkeep-req-table td {
    padding: 0.7rem 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: top;
}

.quietkeep-req-table tr:last-child td {
    border-bottom: none;
}

.quietkeep-req-table td:first-child {
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
}

.quietkeep-req-note {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.quietkeep-req-note-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.875rem;
}

.quietkeep-req-note-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quietkeep-req-note-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 0.75rem;
    position: relative;
}

.quietkeep-req-note-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
}


/* ============================================================
   CTA
   ============================================================ */

.quietkeep-cta {
    padding: 5rem 1.5rem;
    text-align: center;
}

.quietkeep-cta-inner {
    max-width: 560px;
    margin: 0 auto;
}

.quietkeep-cta-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.quietkeep-cta-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.quietkeep-cta-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}


/* ============================================================
   References
   ============================================================ */

.quietkeep-references {
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-subtle);
}

.quietkeep-references-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.quietkeep-references-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.quietkeep-references-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.quietkeep-references-list a {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.quietkeep-references-list a:hover {
    color: var(--primary);
}


/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
    .quietkeep-hero-inner {
        grid-template-columns: 1fr;
    }

    .quietkeep-hero-image {
        order: -1;
    }

    .quietkeep-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quietkeep-stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quietkeep-arch-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .quietkeep-req-inner {
        grid-template-columns: 1fr;
    }

    .quietkeep-stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .quietkeep-hero {
        padding: 3.5rem 1.25rem 3rem;
    }

    .quietkeep-features,
    .quietkeep-screenshots,
    .quietkeep-architecture,
    .quietkeep-stack,
    .quietkeep-status,
    .quietkeep-requirements,
    .quietkeep-cta {
        padding: 3.5rem 1.25rem;
    }

    .quietkeep-features-grid {
        grid-template-columns: 1fr;
    }

    .quietkeep-status-columns {
        grid-template-columns: 1fr;
    }

    .quietkeep-stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quietkeep-hero-actions,
    .quietkeep-cta-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .quietkeep-cta-actions {
        align-items: center;
    }

    .quietkeep-arch-diagram {
        font-size: 0.72rem;
    }
}

@media (max-width: 480px) {
    .quietkeep-stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .quietkeep-stack-grid {
        grid-template-columns: 1fr 1fr;
    }
}