/* ============================================
   INTRUX FiQs — Subpage Styles
   Extends the main style.css for feature subpages
   ============================================ */

/* --- Breadcrumbs --- */
.breadcrumbs {
    padding: 16px 0;
    margin-top: var(--nav-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 10;
}

.breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    flex-wrap: wrap;
}

.breadcrumbs-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumbs-list a:hover {
    color: var(--color-accent-400);
}

.breadcrumbs-separator {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    user-select: none;
}

.breadcrumbs-current {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* --- Subpage Hero --- */
.subpage-hero {
    padding: 80px 0 60px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.subpage-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.04) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.subpage-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.subpage-hero-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 24px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--color-accent-400);
}

.subpage-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-blue-400);
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.subpage-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.12;
}

.subpage-hero p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.75;
    max-width: 640px;
    margin: 0 auto;
}

/* --- Content Sections --- */
.content-section {
    padding: 80px 0;
    position: relative;
}

.content-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(80%, 600px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.15), transparent);
    pointer-events: none;
}

.content-section-alt {
    background-color: var(--color-bg-secondary);
}

.content-section-alt::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

/* Prose typography for content blocks */
.prose {
    max-width: 800px;
    margin: 0 auto;
}

.prose h2 {
    margin-bottom: 20px;
}

.prose h3 {
    margin-top: 32px;
    margin-bottom: 14px;
    color: var(--color-text-primary);
}

.prose p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.prose ul, .prose ol {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
}

.prose li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--color-text-secondary);
    font-size: 1.02rem;
    line-height: 1.7;
}

.prose li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent-500);
    opacity: 0.6;
}

/* --- Feature Detail Grid (key aspects cards) --- */
.feature-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.detail-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.detail-card:hover {
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

.detail-card:hover::before {
    opacity: 1;
}

.detail-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--color-accent-400);
}

.detail-card h4 {
    margin-bottom: 10px;
    font-weight: 600;
}

.detail-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Feature Capabilities (checklist grid) --- */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.capability-item:hover {
    border-color: rgba(96, 165, 250, 0.2);
}

.capability-check {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-400);
    font-size: 0.75rem;
    margin-top: 2px;
}

.capability-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.capability-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* --- Screenshot Placeholder --- */
.screenshot-placeholder {
    margin: 40px auto;
    max-width: 700px;
    aspect-ratio: 16 / 9;
    background: var(--gradient-card);
    border: 1px dashed var(--color-border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.screenshot-placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.4;
}

/* --- Ebook / Newsletter CTA --- */
.ebook-cta {
    padding: 80px 0;
    position: relative;
}

.ebook-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(80%, 600px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.15), transparent);
    pointer-events: none;
}

.ebook-cta-box {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: 56px 48px;
    background: var(--gradient-card);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.ebook-cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0.6;
}

.ebook-cta-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.ebook-cta-box h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 12px;
}

.ebook-cta-box > p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.ebook-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.ebook-form .form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.ebook-form .form-control:focus {
    border-color: var(--color-accent-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.ebook-form .form-control::placeholder {
    color: var(--color-text-muted);
}

.ebook-form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.ebook-form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--color-accent-500);
    flex-shrink: 0;
    cursor: pointer;
}

.ebook-form-checkbox span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.ebook-form-checkbox a {
    color: var(--color-accent-400);
    text-decoration: underline;
}

.ebook-form .btn {
    width: 100%;
    margin-top: 4px;
}

/* --- Related Features --- */
.related-features {
    padding: 80px 0;
    position: relative;
}

.related-features::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(80%, 600px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.15), transparent);
    pointer-events: none;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.related-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
}

.related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.related-card:hover {
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

.related-card:hover::before {
    opacity: 1;
}

.related-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.related-card-icon.blue {
    background: rgba(37, 99, 235, 0.08);
    color: var(--color-accent-400);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.related-card-icon.red {
    background: rgba(255, 85, 85, 0.08);
    color: var(--color-red-500);
    border: 1px solid rgba(255, 85, 85, 0.15);
}

.related-card-icon.emerald {
    background: rgba(59, 130, 246, 0.08);
    color: var(--color-blue-400);
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.related-card h4 {
    color: var(--color-text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.related-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 16px;
}

.related-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-400);
}

.related-card:hover .related-card-link {
    gap: 10px;
}

/* --- Subpage CTA --- */
.subpage-cta {
    padding: 80px 0;
    text-align: center;
    position: relative;
}

.subpage-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(80%, 600px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.15), transparent);
    pointer-events: none;
}

.subpage-cta h2 {
    margin-bottom: 16px;
}

.subpage-cta p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    max-width: 550px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.subpage-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* --- 18 fields table --- */
.fields-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 32px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.fields-table thead th {
    background: rgba(59, 130, 246, 0.06);
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.fields-table tbody td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.5;
}

.fields-table tbody tr:last-child td {
    border-bottom: none;
}

.fields-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.03);
}

.fields-table .field-name {
    color: var(--color-text-primary);
    font-weight: 500;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* --- Feature link in cards (main page) --- */
.feature-more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    padding-top: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-400);
    text-decoration: none;
    transition: gap var(--transition-fast), color var(--transition-fast);
    align-self: flex-end;
}

.feature-more-link:hover {
    gap: 10px;
    color: var(--color-blue-400);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .feature-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .subpage-hero {
        padding: 60px 0 48px;
    }

    .subpage-hero h1 {
        font-size: clamp(1.7rem, 4vw, 2.4rem);
    }

    .content-section {
        padding: 60px 0;
    }

    .feature-detail-grid {
        grid-template-columns: 1fr;
    }

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

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

    .ebook-cta-box {
        padding: 40px 28px;
    }

    .subpage-cta {
        padding: 60px 0;
    }

    .fields-table {
        font-size: 0.85rem;
    }

    .fields-table thead th,
    .fields-table tbody td {
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .breadcrumbs-list {
        font-size: 0.8rem;
    }

    .subpage-hero-icon {
        width: 64px;
        height: 64px;
        font-size: 1.8rem;
    }

    .ebook-cta-box {
        padding: 32px 20px;
    }

    .subpage-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .subpage-cta-buttons .btn {
        width: 100%;
    }

    .detail-card {
        padding: 24px;
    }
}