/* ==========================================================================
   META ADS PAGE: CREATIVE, SOCIAL, AUDIENCE-DRIVEN, EXPERIMENTAL
   ========================================================================== */

/* Hero Layout */
.page-meta-ads .service-hero {
    padding: calc(var(--spacing-9) + 20px) 0 var(--spacing-8);
    background: radial-gradient(circle at 85% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 15% 80%, rgba(225, 29, 46, 0.08) 0%, transparent 50%),
                var(--color-navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.meta-hero-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--spacing-8);
    align-items: center;
}

/* Feed-Inspired Social Ad Card in Hero */
.social-feed-mockup {
    background: rgba(11, 31, 58, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-panel);
    padding: var(--spacing-5);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(37, 99, 235, 0.12);
    max-width: 440px;
    margin: 0 auto;
}

.social-feed-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-4);
}

.social-feed-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.75rem;
    color: #fff;
}

.social-feed-meta {
    flex: 1;
}

.social-feed-brand {
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    display: block;
    line-height: 1.2;
}

.social-feed-sponsored {
    font-size: 0.6875rem;
    color: rgba(245, 247, 250, 0.6);
}

.social-feed-copy {
    font-size: 0.875rem;
    color: var(--color-gray-light);
    line-height: 1.4;
    margin-bottom: var(--spacing-4);
}

.social-feed-media {
    background: rgba(7, 22, 41, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-card);
    padding: var(--spacing-6);
    text-align: center;
    margin-bottom: var(--spacing-4);
}

.social-feed-media img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

.social-feed-cta-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(31, 36, 45, 0.7);
    border-radius: 6px;
    padding: var(--spacing-3) var(--spacing-4);
}

.social-feed-headline {
    font-size: 0.8125rem;
    font-weight: 700;
    color: #fff;
}

.social-feed-btn {
    background: var(--color-blue);
    color: #fff;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
}

/* Creative Testing Lab (A/B/C Multi-Variant Comparison) */
.creative-testing-lab-section {
    padding: var(--spacing-9) 0;
    background: var(--color-midnight);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.creative-variants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-7);
}

.creative-variant-card {
    background: rgba(31, 36, 45, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-panel);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.creative-variant-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.4);
}

.creative-variant-card--winner {
    background: rgba(11, 31, 58, 0.7);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.variant-badge {
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: var(--spacing-3);
}

.variant-badge--a { background: rgba(225, 29, 46, 0.15); color: #FF4D5E; border: 1px solid rgba(225, 29, 46, 0.3); }
.variant-badge--b { background: rgba(16, 185, 129, 0.15); color: #34D399; border: 1px solid rgba(16, 185, 129, 0.3); }
.variant-badge--c { background: rgba(37, 99, 235, 0.15); color: #60A5FA; border: 1px solid rgba(37, 99, 235, 0.3); }

.creative-variant-card h3 {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: var(--spacing-2);
}

.creative-variant-card p {
    font-size: 0.875rem;
    color: var(--color-gray-light);
    line-height: 1.5;
    margin-bottom: var(--spacing-5);
}

.variant-telemetry-box {
    background: rgba(7, 22, 41, 0.7);
    border-radius: 6px;
    padding: var(--spacing-3) var(--spacing-4);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2);
}

.variant-metric-item span {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    display: block;
}

.variant-metric-item label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    color: rgba(245, 247, 250, 0.6);
}

/* Audience Clusters & Retargeting Loop */
.audience-clusters-section {
    padding: var(--spacing-9) 0;
    background: var(--color-navy);
}

.audience-tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-7);
}

.audience-tier-card {
    background: rgba(31, 36, 45, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-card);
    padding: var(--spacing-6);
}

.audience-tier-card h4 {
    font-size: 1.1875rem;
    color: #fff;
    margin-bottom: var(--spacing-2);
}

.audience-tier-card p {
    font-size: 0.875rem;
    color: var(--color-gray-light);
    line-height: 1.5;
    margin-bottom: var(--spacing-4);
}

.audience-tier-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--spacing-3);
}

.audience-tier-list li {
    font-size: 0.8125rem;
    color: rgba(245, 247, 250, 0.75);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.audience-tier-list li::before {
    content: '•';
    color: var(--color-blue);
}

/* Social Funnel Loop */
.social-loop-pipeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

.social-loop-node {
    background: rgba(11, 31, 58, 0.6);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: var(--radius-card);
    padding: var(--spacing-5);
    text-align: center;
    position: relative;
}

.social-loop-node::after {
    content: '→';
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-blue);
    font-weight: 800;
    font-size: 1.25rem;
}

.social-loop-node:last-child::after {
    display: none;
}

.social-loop-node h4 {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 4px;
}

.social-loop-node p {
    font-size: 0.75rem;
    color: var(--color-gray-light);
    margin: 0;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 1024px) {
    .meta-hero-layout { grid-template-columns: 1fr; }
    .creative-variants-grid { grid-template-columns: 1fr; }
    .audience-tiers-grid { grid-template-columns: 1fr; }
    .social-loop-pipeline { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-5); }
    .social-loop-node::after { display: none; }
}

@media (max-width: 640px) {
    .social-loop-pipeline { grid-template-columns: 1fr; }
}