/* ===========================================
   Features – Airtable Editorial (DESIGN.md)
   =========================================== */

.features-page {
    background: var(--canvas);
}

/* Amazon capability checklist */
.feat-amazon-cap {
    padding: var(--section-pad) 0;
}

.feat-amazon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    list-style: none;
}

.feat-amazon-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--ink);
}

.feat-amazon-item i {
    color: var(--success);
    margin-top: 2px;
}

.feat-amazon-item--tax {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .feat-amazon-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- 1. HERO BAND ---------- */

.feat-hero-band {
    padding: var(--section-pad) 0;
    background: var(--canvas);
}

.feat-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--muted);
    margin-bottom: var(--space-2xl);
}

.feat-breadcrumb a {
    color: var(--muted);
    text-decoration: none;
}

.feat-breadcrumb a:active {
    color: var(--ink);
}

.feat-hero-copy {
    max-width: 720px;
}

.feat-eyebrow {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-md);
}

.feat-hero-copy h1 {
    font-size: clamp(2rem, 4.5vw, 2.5rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: var(--space-lg);
}

.feat-lead {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body);
    max-width: 560px;
    margin-bottom: var(--space-xl);
}

.feat-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* ---------- 2. SIGNATURE CARDS ---------- */

.feat-sig-wrap {
    padding: 0 0 var(--section-pad);
    background: var(--canvas);
}

.feat-sig-wrap--forest {
    padding-bottom: var(--section-pad);
}

.feat-sig-coral h2,
.feat-sig-forest h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--space-md);
}

.feat-sig-coral p,
.feat-sig-forest p {
    font-size: 14px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.88);
    max-width: 480px;
    margin-bottom: var(--space-xl);
}

.feat-sig-coral-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    align-items: end;
}

.feat-btn-on-sig {
    background: var(--canvas);
    color: var(--ink);
    border: 1px solid var(--hairline);
}

.feat-sig-stats {
    display: flex;
    gap: var(--space-2xl);
}

.feat-sig-stat-num {
    display: block;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 500;
    line-height: 1;
    color: var(--on-primary);
}

.feat-sig-stat-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    margin-top: var(--space-xs);
}

.feat-sig-forest-inner {
    max-width: 560px;
}

/* ---------- 3. TABBED FEATURE CARD ---------- */

.feat-tabbed-section {
    padding: var(--section-pad) 0;
    background: var(--canvas);
}

.feat-section-intro {
    margin-bottom: var(--space-2xl);
    max-width: 640px;
}

.feature-card-tabbed {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    background: var(--surface-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 480px;
}

.feat-tab-rail {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    border-right: 1px solid var(--hairline);
    background: var(--canvas);
}

.feat-tab-rail-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) var(--space-sm);
    margin-bottom: var(--space-xxs);
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
}

.feat-tab-rail-btn.active {
    background: var(--surface-soft);
    color: var(--ink);
    font-weight: 500;
}

.feat-tab-rail-count {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
}

.feat-tab-rail-btn.active .feat-tab-rail-count {
    background: var(--hairline);
    color: var(--ink);
}

.feat-tab-panels {
    padding: var(--space-xl);
    position: relative;
}

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

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

.feat-panel-head h3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--hairline);
}

.feat-module-list {
    list-style: none;
}

.feat-module-item {
    border-bottom: 1px solid var(--hairline);
}

.feat-module-item:last-child {
    border-bottom: none;
}

.feat-module-details {
    width: 100%;
}

.feat-module-summary {
    display: grid;
    grid-template-columns: 40px 1fr auto auto 24px;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    cursor: pointer;
    list-style: none;
}

.feat-module-summary::-webkit-details-marker {
    display: none;
}

.feat-module-summary::after {
    content: '+';
    font-size: 18px;
    font-weight: 400;
    color: var(--muted);
    justify-self: end;
    grid-column: 5;
}

.feat-module-details[open] .feat-module-summary::after {
    content: '−';
}

.feat-module-index {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--muted);
}

.feat-module-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
}

.feat-module-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.feat-module-tag.live {
    background: rgba(0, 100, 0, 0.1);
    color: var(--success);
}

.feat-module-tag.beta {
    background: var(--signature-cream);
    color: var(--ink);
}

.feat-module-stat {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

.feat-module-body {
    padding: 0 0 var(--space-lg) 40px;
}

.feat-module-body p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.feat-attr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-sm);
}

.feat-attr-grid div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.feat-attr-grid dt {
    font-size: 12px;
    color: var(--muted);
    font-weight: 400;
}

.feat-attr-grid dd {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

.feat-attr-grid dd .fa-check {
    color: var(--success);
}

/* ---------- 4. DEMO GRID ---------- */

.feat-demo-section {
    padding: var(--section-pad) 0;
    background: var(--canvas);
}

.feat-demo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: var(--space-lg);
}

.feat-demo-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.feat-demo-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.4;
}

.feat-demo-card p {
    font-size: 14px;
    line-height: 1.35;
    color: var(--body);
    flex: 1;
}

.feat-demo-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.16px;
    text-transform: uppercase;
    color: var(--muted);
}

.feat-demo-tall {
    grid-row: span 2;
}

.feat-demo-wide {
    grid-column: span 2;
}

.feat-demo-card--ink {
    background: var(--surface-dark);
    color: var(--on-dark);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.feat-demo-card--ink h4,
.feat-demo-card--ink .feat-demo-label {
    color: var(--on-dark);
}

.feat-demo-card--ink p {
    color: rgba(255, 255, 255, 0.85);
}

.feat-demo-mock {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: var(--space-md);
}

.feat-demo-mock span {
    display: block;
    height: 8px;
    background: rgba(24, 29, 38, 0.12);
    border-radius: var(--radius-xs);
}

.feat-demo-mock span.wide {
    width: 80%;
}

.feat-demo-mock-bar {
    flex-direction: row;
    align-items: flex-end;
    gap: var(--space-xs);
    height: 64px;
}

.feat-demo-mock-bar span {
    flex: 1;
    height: var(--h, 50%);
    min-height: 20px;
}

.feat-demo-mock-list span {
    height: 6px;
    width: 100%;
}

.feat-demo-mock-list span:nth-child(2) { width: 85%; }
.feat-demo-mock-list span:nth-child(3) { width: 70%; }

/* ---------- 5. CREAM METRICS ---------- */

.feat-cream-section {
    padding: 0 0 var(--section-pad);
    background: var(--canvas);
}

.feat-cream-callout {
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
}

.feat-cream-title {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--space-xl);
}

.feat-cream-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    list-style: none;
}

.feat-cream-num {
    display: block;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink);
}

.feat-cream-num span {
    font-size: 0.55em;
}

.feat-cream-label {
    display: block;
    font-size: 14px;
    color: var(--body);
    margin-top: var(--space-xs);
}

/* ---------- 6. CTA BAND ---------- */

.feat-cta-section {
    padding: 0 0 var(--section-pad);
    background: var(--canvas);
}

.feat-cta-band h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.feat-cta-band p {
    font-size: 14px;
    margin-bottom: var(--space-xl);
}

.feat-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 1024px) {
    .feat-demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feat-demo-wide {
        grid-column: span 2;
    }

    .feat-sig-coral-grid {
        grid-template-columns: 1fr;
    }

    .feat-sig-stats {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .feat-hero-band,
    .feat-tabbed-section,
    .feat-demo-section,
    .feat-sig-wrap,
    .feat-sig-wrap--forest,
    .feat-cream-section,
    .feat-cta-section {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .feature-card-tabbed {
        grid-template-columns: 1fr;
        min-height: 0;
    }

    .feat-tab-rail {
        flex-direction: row;
        flex-wrap: wrap;
        border-right: none;
        border-bottom: 1px solid var(--hairline);
    }

    .feat-tab-rail-btn {
        width: auto;
        flex: 1 1 auto;
        min-width: calc(50% - 8px);
    }

    .feat-demo-grid {
        grid-template-columns: 1fr;
    }

    .feat-demo-tall,
    .feat-demo-wide {
        grid-row: auto;
        grid-column: auto;
    }

    .feat-cream-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .feat-module-summary {
        grid-template-columns: 32px 1fr;
        grid-template-rows: auto auto;
    }

    .feat-module-tag,
    .feat-module-stat {
        grid-column: 2;
    }

    .feat-module-summary::after {
        grid-row: 1 / 3;
        grid-column: 3;
    }
}