/* ========================================
   AlphaOne LLC — Subpage Styles (MVPs & Open Source)
   ======================================== */

/* Active nav link */
.nav-links a.active {
    color: var(--primary-light);
}

/* Page Hero (shorter than home) */
.page-hero {
    position: relative;
    padding: 140px 0 60px;
    text-align: center;
    overflow: hidden;
}

.page-hero .hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 70% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 16px;
}

.page-hero .hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* MVP Section */
.mvp-section {
    padding: 80px 0;
}

.mvp-header {
    text-align: center;
    margin-bottom: 48px;
}

.mvp-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.mvp-badge.cyber {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.mvp-badge.intel {
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--primary-light);
}

.mvp-badge.oss {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #4ade80;
}

.mvp-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    margin-bottom: 10px;
}

.mvp-tagline {
    font-size: 17px;
    color: var(--text-muted);
}

/* Overview Block */
.mvp-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.overview-text p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
}

.overview-text p:last-child {
    margin-bottom: 0;
}

.overview-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-content: center;
}

.overview-stat {
    text-align: center;
    padding: 20px 12px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.overview-stat-value {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}

.overview-stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Feature Cards (Obsidian Halo) */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    transition: all var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Intelligence Modules Chips */
.intelligence-modules {
    margin-bottom: 32px;
}

.intelligence-modules h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-align: center;
}

.modules-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.module-chip {
    padding: 8px 18px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: #f87171;
}

.mvp-footer-info {
    text-align: center;
    margin-top: 24px;
}

.mvp-footer-info p {
    font-size: 13px;
    color: var(--text-dim);
}

/* Intel module chips */
.module-chip.intel-chip {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.platform-section {
    margin-bottom: 48px;
}

/* Section Divider */
.section-divider {
    padding: 0 0;
}

.section-divider hr {
    border: none;
    border-top: 1px solid var(--border);
}

/* Architecture Section */
.architecture-section,
.self-healing-section,
.ai-depth-section {
    margin-bottom: 60px;
}

.architecture-section h3,
.self-healing-section h3,
.ai-depth-section h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.arch-intro {
    font-size: 15px;
    color: var(--text-muted);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.arch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.arch-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: all var(--transition);
}

.arch-card:hover {
    border-color: var(--border-hover);
}

.arch-step {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.arch-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.arch-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Healing Grid */
.healing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.healing-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: all var(--transition);
}

.healing-item:hover {
    border-color: var(--border-hover);
}

.healing-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.healing-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.healing-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* AI Depth List */
.ai-depth-list {
    max-width: 760px;
    margin: 0 auto;
}

.ai-depth-item {
    display: flex;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
}

.ai-depth-item:last-child {
    border-bottom: none;
}

.ai-depth-label {
    min-width: 160px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-light);
    flex-shrink: 0;
}

.ai-depth-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* OSS CTA */
.oss-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 48px;
    flex-wrap: wrap;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .mvp-overview {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .arch-grid {
        grid-template-columns: 1fr;
    }

    .healing-grid {
        grid-template-columns: 1fr;
    }

    .ai-depth-item {
        flex-direction: column;
        gap: 4px;
    }

    .ai-depth-label {
        min-width: unset;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .overview-stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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