:root {
    --color-text-on-dark: #D1D5DB;
    --color-text-on-dark-muted: #9fb3c8;
}

/* ── CTA microcopy ── */
.cta-microcopy {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted, #6B7280);
    opacity: 0.75;
    letter-spacing: 0.01em;
}

/* ── Who this is for ── */
.hero-audience {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-muted, #6B7280);
    opacity: 0.8;
}

/* ── T1: Hero tagline badge ── */
.hero-tagline-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: 99px;
    font-size: 0.85rem;
    color: var(--brand-signature-light);
    font-family: var(--font-main);
    font-weight: 500;
    margin-bottom: 0.5rem;
    backdrop-filter: var(--filter-glass-subtle);
}

/* ── T2: CTA inline microcopy ── */
.cta-inline-micro {
    margin-top: 0.6rem;
    font-size: 0.75rem;
    color: var(--color-text-on-dark);
    /* Lighter text for dark bg */
    opacity: 0.85;
    /* Increased opacity */
}

/* ── Hero line spans ── */
.hero-line {
    display: inline;
}

/* ── T1: hero-cta column layout fix ── */
.hero-cta.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* ── T2: Speed proof component ── */
.speed-proof {
    margin-top: 1rem;
    font-size: 0.85rem;
    opacity: 0.95;
    color: var(--color-text-on-dark-muted);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    justify-content: center;
}

.speed-proof i {
    color: var(--brand-signature-light);
}

/* ── T4: Navbar CTA hover glow (upgraded) ── */
.btn-cta-nav {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* ── T5: Hero CI/CD hint ── */
.hero-cicd-hint {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-on-dark);
    /* Lighter text for dark bg */
    opacity: 0.85;
    /* Increased opacity */
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.hero-cicd-hint i {
    font-size: 0.75rem;
}

/* ── Product Authority Strip ── */
.product-authority-strip {
    background: var(--color-bg-alt, #F9FAFB);
    border-top: 1px solid var(--color-border, #E5E7EB);
    border-bottom: 1px solid var(--color-border, #E5E7EB);
    padding: 2rem 0;
}
.authority-items {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}
.authority-item {
    text-align: center;
}
.authority-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent, #2563EB);
}
.authority-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #4B5563);
    font-weight: 500;
}

/* ── Cost of Unaudited Models (merged section) ── */
.section-cost {
    background: var(--color-bg-alt, #F9FAFB);
    position: relative;
    overflow: hidden;
}
.section-cost::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
    pointer-events: none;
}
.cost-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}
.cost-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: var(--filter-glass);
    -webkit-backdrop-filter: var(--filter-glass);
    border: 1px solid rgba(229, 231, 235, 0.6);
    border-radius: var(--radius-lg, 16px);
    padding: 2rem 2rem 1.75rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast, 0.2s),
                box-shadow var(--transition-fast, 0.2s);
}
.cost-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-lg, 16px) var(--radius-lg, 16px) 0 0;
    opacity: 0;
    transition: opacity var(--transition-fast, 0.2s);
}
.cost-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.1);
}
.cost-card:hover::before {
    opacity: 1;
}
/* Per-card accent gradients */
.cost-card--incidents::before { background: linear-gradient(135deg, #EF4444, #F97316); }
.cost-card--naming::before    { background: linear-gradient(135deg, #8B5CF6, #6366F1); }
.cost-card--reviews::before   { background: linear-gradient(135deg, #2563EB, #0EA5E9); }
.cost-card--perf::before      { background: linear-gradient(135deg, #10B981, #14B8A6); }

/* Floating 3D metric element */
.cost-metric {
    perspective: 600px;
    margin-bottom: 1.5rem;
}
.cost-metric-float {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 2rem 1rem;
    border-radius: var(--radius-lg, 16px);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(229, 231, 235, 0.6);
    position: relative;
    animation: metric-float 4s ease-in-out infinite;
    transform-style: preserve-3d;
    transform: rotateX(6deg) rotateY(-4deg);
    transition: transform var(--transition-fast, 0.2s),
                box-shadow var(--transition-fast, 0.2s);
}
.cost-card:hover .cost-metric-float {
    transform: rotateX(0deg) rotateY(0deg) translateY(-4px);
}
/* Per-card float shadows & glow */
.cost-card--incidents .cost-metric-float {
    box-shadow: 0 12px 32px -8px rgba(239, 68, 68, 0.2),
                0 4px 12px rgba(0, 0, 0, 0.04);
    animation-delay: 0s;
}
.cost-card--incidents:hover .cost-metric-float {
    box-shadow: 0 20px 48px -12px rgba(239, 68, 68, 0.3),
                0 8px 16px rgba(0, 0, 0, 0.06);
}
.cost-card--naming .cost-metric-float {
    box-shadow: 0 12px 32px -8px rgba(139, 92, 246, 0.2),
                0 4px 12px rgba(0, 0, 0, 0.04);
    animation-delay: -1s;
    transform: rotateX(-4deg) rotateY(6deg);
}
.cost-card--naming:hover .cost-metric-float {
    box-shadow: 0 20px 48px -12px rgba(139, 92, 246, 0.3),
                0 8px 16px rgba(0, 0, 0, 0.06);
}
.cost-card--reviews .cost-metric-float {
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.2),
                0 4px 12px rgba(0, 0, 0, 0.04);
    animation-delay: -2s;
    transform: rotateX(5deg) rotateY(5deg);
}
.cost-card--reviews:hover .cost-metric-float {
    box-shadow: 0 20px 48px -12px rgba(37, 99, 235, 0.3),
                0 8px 16px rgba(0, 0, 0, 0.06);
}
.cost-card--perf .cost-metric-float {
    box-shadow: 0 12px 32px -8px rgba(16, 185, 129, 0.2),
                0 4px 12px rgba(0, 0, 0, 0.04);
    animation-delay: -3s;
    transform: rotateX(-5deg) rotateY(-6deg);
}
.cost-card--perf:hover .cost-metric-float {
    box-shadow: 0 20px 48px -12px rgba(16, 185, 129, 0.3),
                0 8px 16px rgba(0, 0, 0, 0.06);
}

@keyframes metric-float {
    0%, 100% { transform: rotateX(6deg) rotateY(-4deg) translateY(0); }
    50%      { transform: rotateX(4deg) rotateY(-2deg) translateY(-6px); }
}
.cost-card--naming .cost-metric-float {
    animation-name: metric-float-alt;
}
.cost-card--perf .cost-metric-float {
    animation-name: metric-float-alt;
}
@keyframes metric-float-alt {
    0%, 100% { transform: rotateX(-4deg) rotateY(6deg) translateY(0); }
    50%      { transform: rotateX(-2deg) rotateY(4deg) translateY(-6px); }
}
.cost-metric-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}
/* Per-card number colors */
.cost-card--incidents .cost-metric-number { color: var(--color-danger); }
.cost-card--naming .cost-metric-number    { color: #8B5CF6; }
.cost-card--reviews .cost-metric-number   { color: var(--color-accent); }
.cost-card--perf .cost-metric-number      { color: var(--color-success); }

.cost-metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary, #4B5563);
    margin-top: 0.25rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Pain description */
.cost-pain-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #4B5563);
    line-height: 1.6;
    margin-bottom: 1rem;
}
.cost-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cost-dimension {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent, #2563EB);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full, 99px);
}
.cost-pain-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm, 8px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast, 0.2s);
}
.cost-card--incidents .cost-pain-icon { background: rgba(239, 68, 68, 0.08); }
.cost-card--incidents .cost-pain-icon i { color: var(--color-danger); }
.cost-card--naming .cost-pain-icon { background: rgba(139, 92, 246, 0.08); }
.cost-card--naming .cost-pain-icon i { color: #8B5CF6; }
.cost-card--reviews .cost-pain-icon { background: rgba(37, 99, 235, 0.08); }
.cost-card--reviews .cost-pain-icon i { color: var(--color-accent); }
.cost-card--perf .cost-pain-icon { background: rgba(16, 185, 129, 0.08); }
.cost-card--perf .cost-pain-icon i { color: var(--color-success); }
.cost-pain-icon i {
    font-size: 0.85rem;
}

/* ── Governance Grid ── */
.governance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}
.governance-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: var(--filter-glass-subtle);
    -webkit-backdrop-filter: var(--filter-glass-subtle);
    border: 1px solid rgba(229, 231, 235, 0.6);
    border-radius: var(--radius-lg, 16px);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast, 0.2s),
                box-shadow var(--transition-fast, 0.2s);
}
.governance-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-cta, linear-gradient(135deg, #2563EB, #1D4ED8));
    opacity: 0;
    transition: opacity var(--transition-fast, 0.2s);
}
.governance-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.08));
}
.governance-card:hover::after {
    opacity: 1;
}
.governance-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md, 12px);
    background: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background var(--transition-fast, 0.2s),
                box-shadow var(--transition-fast, 0.2s);
}
.governance-card:hover .governance-icon {
    background: rgba(37, 99, 235, 0.15);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.15);
}
.governance-icon i {
    font-size: 1.15rem;
    color: var(--color-accent, #2563EB);
}
.governance-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text, #111827);
    margin-bottom: 0.5rem;
}
.governance-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #4B5563);
    line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
    .cost-metric-float {
        animation: none !important;
    }
}
@media (max-width: 768px) {
    .cost-grid { grid-template-columns: 1fr; }
    .governance-grid { grid-template-columns: 1fr; }
    .authority-items { gap: 1.5rem; }
}
@media (max-width: 480px) {
    .authority-number { font-size: 1.5rem; }
    .authority-items { gap: 1rem; }
    .cost-metric-number { font-size: 2rem; }
}