/* ========================================
   ABOUT-COMPONENTS.CSS - ABOUT PAGE SPECIFIC
   Metrics, Performance Charts, COPPA sections
   ======================================== */

/* About Page Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.metric-card {
    background: var(--yt-spec-menu-background);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--yt-spec-outline);
    transition: transform 0.2s;
}

.metric-card:hover {
    transform: translateY(-4px);
}

.metric-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--yt-spec-brand-red);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric-description {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    margin-top: 12px;
    line-height: 1.6;
}

/* Performance Metrics Section */
.performance-metrics {
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.08) 0%, rgba(255, 0, 0, 0.03) 100%);
    border: 1px solid rgba(255, 0, 0, 0.2);
    padding: 48px;
    border-radius: 16px;
    margin: 40px 0;
}

.performance-metrics h3 {
    font-size: 28px;
    margin-bottom: 32px;
    text-align: center;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.performance-item {
    background: var(--yt-spec-menu-background);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--yt-spec-outline);
}

.performance-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--yt-spec-brand-red);
    margin-bottom: 8px;
}

.performance-label {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.performance-detail {
    font-size: 12px;
    color: var(--yt-spec-text-disabled);
    line-height: 1.4;
}

/* Metrics Explanation */
.metrics-explanation {
    background: var(--yt-spec-menu-background);
    padding: 32px;
    border-radius: 12px;
    margin-top: 40px;
}

.metrics-explanation h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--yt-spec-text-primary);
}

.metric-definition {
    margin-bottom: 24px;
    padding: 20px;
    background: var(--yt-spec-raised-background);
    border-radius: 8px;
    border-left: 3px solid var(--yt-spec-brand-red);
}

.metric-definition h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--yt-spec-text-primary);
}

.metric-definition p {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.metric-formula {
    font-family: monospace;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 8px;
    font-size: 13px;
    color: var(--yt-spec-text-primary);
    display: inline-block;
}

/* Tier Cards */
.tier-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.tier-card {
    background: var(--yt-spec-menu-background);
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid transparent;
}

.tier-card.gold {
    border-color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
}

.tier-card.silver {
    border-color: #c0c0c0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1) 0%, transparent 100%);
}

.tier-card.bronze {
    border-color: #cd7f32;
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1) 0%, transparent 100%);
}

.tier-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.tier-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tier-criteria {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    line-height: 1.6;
}

/* Content Standards Section */
.coppa-section {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(76, 175, 80, 0.05) 100%);
    border: 1px solid rgba(76, 175, 80, 0.3);
    padding: 32px;
    border-radius: 12px;
    margin: 32px 0;
}

.coppa-section h3 {
    color: #4caf50;
    margin-top: 0;
}

.coppa-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.coppa-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    color: var(--yt-spec-text-secondary);
    line-height: 1.6;
}

.coppa-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4caf50;
    font-weight: bold;
    font-size: 20px;
}

/* Audience Section */
.audience-section {
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.05) 0%, rgba(255, 0, 0, 0.02) 100%);
    border: 1px solid rgba(255, 0, 0, 0.2);
    padding: 32px;
    border-radius: 12px;
    margin: 32px 0;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.audience-stat {
    text-align: center;
}

.audience-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--yt-spec-brand-red);
    margin-bottom: 8px;
}

.audience-label {
    font-size: 14px;
    color: var(--yt-spec-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Value Props */
.value-props {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.value-card {
    background: var(--yt-spec-menu-background);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--yt-spec-outline);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    border-color: var(--yt-spec-brand-red);
}

.value-icon {
    font-size: 36px;
    margin-bottom: 16px;
    display: block;
}

.value-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

/* Channel Strategy */
.channel-strategy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.strategy-item {
    background: var(--yt-spec-menu-background);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--yt-spec-outline);
}

.strategy-item h5 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--yt-spec-text-primary);
}