/* ============================================
   Platform Page Styles
   ============================================ */

.platform-hero {
    padding: 160px 0 80px;
    background: var(--black);
    color: var(--white);
    text-align: center;
}

.platform-hero h1 {
    max-width: 800px;
    margin: 0 auto 16px;
}

.platform-hero p {
    color: var(--gray-400);
    font-size: 1.25rem;
    max-width: 640px;
    margin: 0 auto;
}

/* Capability Nav */
.capability-nav {
    position: sticky;
    top: 64px;
    z-index: 99;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    overflow-x: auto;
}

.capability-nav .container {
    display: flex;
    gap: 0;
}

.cap-nav-item {
    padding: 16px 28px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
}

.cap-nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease, left 0.3s ease;
}

.cap-nav-item:hover::before,
.cap-nav-item.active::before {
    width: 100%;
    left: 0;
}

.cap-nav-item:hover,
.cap-nav-item.active {
    color: var(--black);
    border-bottom-color: transparent;
}

/* Capability Sections */
.cap-section {
    padding: 100px 0;
    scroll-margin-top: 120px;
}

.cap-section:nth-child(even) {
    background: var(--gray-50);
}

.cap-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.cap-section:nth-child(odd) .cap-visual {
    order: -1;
}

.cap-label {
    display: inline-block;
    background: rgba(244, 217, 102, 0.15);
    color: var(--gold-dark);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.cap-content h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.cap-content > p {
    font-size: 1.0625rem;
    margin-bottom: 32px;
}

.cap-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cap-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.cap-feature-icon {
    width: 32px;
    height: 32px;
    background: var(--gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.875rem;
    font-weight: 700;
}

.cap-feature-text h4 {
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.cap-feature-text p {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* Capability Visual Panels */
.cap-visual-panel {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-700);
    overflow: hidden;
}

.cap-visual-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
}

.cap-visual-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-600);
}

.cap-visual-header .dot:first-child { background: #ff5f57; }
.cap-visual-header .dot:nth-child(2) { background: #ffbd2e; }
.cap-visual-header .dot:nth-child(3) { background: #27ca40; }

.cap-visual-body {
    padding: 32px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Visual: Upload */
.visual-upload-area {
    border: 2px dashed var(--gray-600);
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    color: var(--gray-400);
    transition: all var(--transition);
}

.visual-upload-area:hover {
    border-color: var(--gold);
    background: rgba(244, 217, 102, 0.03);
}

.visual-upload-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: var(--gold);
}

.visual-upload-text {
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.visual-upload-sub {
    font-size: 0.6875rem;
    color: var(--gray-600);
}

.visual-file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.visual-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--gray-800);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--gray-300);
}

.visual-file-icon {
    color: var(--gold);
    font-size: 1rem;
}

.visual-file-status {
    margin-left: auto;
    color: #27ca40;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Visual: Layers */
.visual-viewer {
    display: grid;
    grid-template-columns: 1fr 140px;
    gap: 16px;
    flex: 1;
}

.visual-3d-area {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 220px;
}

.visual-layer-panel {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.visual-layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--gray-800);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    color: var(--gray-400);
    cursor: pointer;
}

.visual-layer-item.active {
    color: var(--gold);
    background: rgba(244, 217, 102, 0.1);
}

.visual-layer-toggle {
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--gray-600);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
}

.visual-layer-item.active .visual-layer-toggle {
    border-color: var(--gold);
    background: var(--gold);
    color: var(--black);
}

/* Visual: Variants */
.visual-config-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.visual-config-option {
    background: var(--gray-800);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
}

.visual-config-option:hover {
    border-color: var(--gray-600);
}

.visual-config-option.selected {
    border-color: var(--gold);
    background: rgba(244, 217, 102, 0.05);
}

.config-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.config-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    font-weight: 500;
}

.visual-config-option.selected .config-label {
    color: var(--gold);
}

/* Visual: Deploy */
.visual-deploy-channels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.visual-deploy-card {
    background: var(--gray-800);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--gray-700);
}

.visual-deploy-card:hover {
    border-color: var(--gold);
}

.deploy-card-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.deploy-card-label {
    font-size: 0.6875rem;
    color: var(--gray-400);
    font-weight: 500;
}

.deploy-card-status {
    font-size: 0.5625rem;
    color: #27ca40;
    margin-top: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Visual: Analytics */
.visual-analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.visual-stat-card {
    background: var(--gray-800);
    border-radius: var(--radius-md);
    padding: 20px;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--gray-500);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
}

.stat-change {
    font-size: 0.6875rem;
    color: #27ca40;
    font-weight: 600;
}

.visual-chart {
    grid-column: 1 / -1;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    padding: 20px;
}

.chart-title {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-bottom: 16px;
    font-weight: 600;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
}

.chart-bar {
    flex: 1;
    background: var(--gold);
    border-radius: 3px 3px 0 0;
    min-height: 8px;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.chart-bar:hover {
    opacity: 1;
}

/* Platform CTA */
.platform-cta {
    padding: 80px 0;
    background: var(--gold);
    text-align: center;
}

.platform-cta h2 {
    margin-bottom: 12px;
}

.platform-cta p {
    color: var(--gray-700);
    font-size: 1.125rem;
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .cap-section .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cap-section:nth-child(odd) .cap-visual {
        order: 0;
    }

    .visual-deploy-channels {
        grid-template-columns: repeat(2, 1fr);
    }

    .visual-config-panel {
        grid-template-columns: 1fr;
    }

    .cap-nav-item {
        padding: 14px 20px;
    }
}