/**
 * NovoAbrasive Guide Articles CSS
 * Styles for individual guide and manufacturer article pages
 */

/* Article Layout */
.article-layout {
    display: grid;
    grid-template-columns: 1fr min(72ch, 100%) 1fr;
    padding: 3rem 1.5rem 5rem;
}

.article-layout > * {
    grid-column: 2;
}

.article-layout > .full-width {
    grid-column: 1 / -1;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding: 0 1.5rem;
}

/* Article Header */
.article-hero {
    background: var(--color-primary-navy, #1E3A5F);
    color: white;
    padding: 5rem 0 3rem;
}

.article-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.article-hero .breadcrumbs-inline {
    display: flex;
    gap: 0.5rem;
    font-size: 0.8125rem;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.article-hero .breadcrumbs-inline a {
    color: white;
    text-decoration: none;
}

.article-hero .breadcrumbs-inline a:hover {
    text-decoration: underline;
}

.article-hero .breadcrumbs-inline .sep { opacity: 0.4; }

.article-meta-top {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
    background: rgba(245,166,35,0.2);
    color: #F5A623;
}

.article-hero h1 {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.article-hero h1 span {
    color: #F5A623;
}

.article-hero-desc {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.85;
    max-width: 640px;
}

.article-info-bar {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    font-size: 0.8125rem;
    opacity: 0.6;
}

.article-info-bar span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* Answer Capsule */
.answer-capsule {
    background: #F0F7FF;
    border-left: 4px solid var(--color-primary-navy, #1E3A5F);
    padding: 1.5rem 2rem;
    border-radius: 0 8px 8px 0;
    margin: 2.5rem 0;
    font-size: 1.0625rem;
    line-height: 1.7;
    color: #1a2b3c;
}

.answer-capsule strong {
    color: var(--color-primary-navy, #1E3A5F);
}

/* Table of Contents */
.toc {
    background: #F8F9FA;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.75rem 2rem;
    margin: 2rem 0 3rem;
}

.toc-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a2b3c;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toc ol {
    list-style: none;
    counter-reset: toc-counter;
    padding: 0;
    margin: 0;
}

.toc ol li {
    counter-increment: toc-counter;
    margin-bottom: 0.5rem;
}

.toc ol li::before {
    content: counter(toc-counter) ".";
    color: var(--color-primary-navy, #1E3A5F);
    font-weight: 600;
    margin-right: 0.5rem;
}

.toc ol li a {
    color: #374151;
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

.toc ol li a:hover {
    color: var(--color-primary-navy, #1E3A5F);
    text-decoration: underline;
}

/* Article Typography */
.article-layout h2 {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a2b3c;
    margin: 3rem 0 1.25rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
    scroll-margin-top: 100px;
}

.article-layout h3 {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a2b3c;
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.01em;
}

.article-layout p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: #374151;
    margin-bottom: 1.25rem;
}

.article-layout ul, .article-layout ol {
    margin: 1rem 0 1.5rem 1.5rem;
    font-size: 1.0625rem;
    line-height: 1.7;
    color: #374151;
}

.article-layout li {
    margin-bottom: 0.5rem;
}

.article-layout li strong {
    color: #1a2b3c;
}

/* Tables */
.article-table-wrap {
    overflow-x: auto;
    margin: 1.5rem 0 2rem;
    border-radius: 8px;
    border: 1px solid #E5E7EB;
}

.article-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    min-width: 600px;
}

.article-table thead {
    background: var(--color-primary-navy, #1E3A5F);
    color: white;
}

.article-table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.article-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #F3F4F6;
}

.article-table tbody tr:hover {
    background: #F9FAFB;
}

/* Callout */
.callout {
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0 2rem;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.callout--info, .callout-info {
    background: #EFF6FF;
    border-left: 3px solid #3B82F6;
}

.callout--tip, .callout-tip {
    background: #F0FDF4;
    border-left: 3px solid #22C55E;
}

.callout--warning, .callout-warning {
    background: #FFFBEB;
    border-left: 3px solid #F59E0B;
}

.callout-safety {
    background: #FEF2F2;
    border-left: 3px solid #DC2626;
}

.callout-video {
    background: #F5F3FF;
    border-left: 3px solid #7C3AED;
}

.callout-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Key Facts Grid */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0 2.5rem;
}

.fact-card {
    background: #F8F9FA;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.fact-number {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-navy, #1E3A5F);
    line-height: 1.2;
}

.fact-label {
    font-size: 0.8125rem;
    color: #6B7280;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .facts-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin: 1.5rem 0 2.5rem;
    border-left: 2px solid #E5E7EB;
}

.timeline::before {
    display: none;
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.375rem;
    top: 0.375rem;
    width: 10px;
    height: 10px;
    background: var(--color-primary-navy, #1E3A5F);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--color-primary-navy, #1E3A5F);
}

.timeline-year {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-weight: 700;
    color: var(--color-primary-navy, #1E3A5F);
    font-size: 0.9375rem;
}

.timeline-text {
    font-size: 0.9375rem;
    color: #374151;
    line-height: 1.6;
    margin-top: 0.25rem;
}

/* Article FAQ */
.article-faq-section {
    margin: 3rem 0 2rem;
}

.article-faq-item {
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.article-faq-question {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: #1a2b3c;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-family: inherit;
}

.article-faq-question:hover {
    background: #F9FAFB;
}

.article-faq-answer {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: #374151;
}

/* Related */
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

@media (max-width: 768px) {
    .related-grid { grid-template-columns: 1fr; }
}

.related-card {
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}

.related-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.related-card h4 {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary-navy, #1E3A5F);
    margin-bottom: 0.5rem;
}

.related-card p {
    font-size: 0.8125rem;
    color: #6B7280;
    line-height: 1.5;
    margin: 0;
}

/* Article Hero Image */
.article-hero-image {
    max-width: 800px;
    margin: -2rem auto 2rem;
    padding: 0 1.5rem;
}

.article-hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

/* Article Hero Image */
.article-brand-logo {
    max-width: 800px;
    margin: -2rem auto 2rem;
    padding: 0 1.5rem;
}

.article-brand-logo img {
    width: 100%;
    height: auto;
    max-height: 800px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

/* Series Comparison */
.series-compare {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0 2.5rem;
}

.series-box {
    background: #F8F9FA;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.series-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.series-box--standard { border-color: #9CA3AF; }
.series-box--profi { border-color: #2563EB; }
.series-box--extreme { border-color: #16A34A; }
.series-box--turbo { border-color: #F59E0B; }
.series-box--segment { border-color: #DC2626; }
.series-box--continuous { border-color: #7C3AED; }

.series-box-name {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: #1a2b3c;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.series-box-grain {
    font-size: 0.8125rem;
    color: #6B7280;
    margin-bottom: 0.75rem;
}

.series-box-desc {
    font-size: 0.875rem;
    color: #374151;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.series-box-price {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-navy, #1E3A5F);
    line-height: 1.2;
    margin: 0.5rem 0 0.125rem;
}

.series-box-price-label {
    font-size: 0.75rem;
    color: #9CA3AF;
    margin-bottom: 0.5rem;
}

.series-box-stat {
    font-size: 0.8125rem;
    color: #6B7280;
    margin-bottom: 0.25rem;
}

.series-box-verdict {
    font-size: 0.875rem;
    font-weight: 700;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #E5E7EB;
}

.series-box-stars {
    color: #F5A623;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.series-box-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary-navy, #1E3A5F);
    text-decoration: none;
    margin-top: 0.75rem;
    transition: color 0.2s;
}

.series-box-link:hover {
    color: #F5A623;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .series-compare { grid-template-columns: 1fr; gap: 1rem; }
}

/* Marking Example */
.marking-example {
    background: #F8F9FA;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin: 1.5rem 0 2rem;
    text-align: center;
}

.marking-code {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-navy, #1E3A5F);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.marking-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.5rem;
    font-size: 0.875rem;
    color: #374151;
}

.marking-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Marking Full (12-element label) */
.marking-full {
    margin: 2rem 0 2.5rem;
}

.marking-full-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: #1a2b3c;
    margin-bottom: 1.25rem;
    text-align: center;
}

.marking-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.marking-full-item {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: #F8F9FA;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #374151;
}

.marking-full-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--color-primary-navy, #1E3A5F);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.marking-full-label {
    flex: 1;
}

@media (max-width: 768px) {
    .marking-full-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* Article CTA */
.article-cta {
    background: var(--color-primary-navy, #1E3A5F);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0 2rem;
}

.article-cta h2 {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 0.75rem;
}

.article-cta p {
    font-size: 1rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
    color: white;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Highlight Row */
.highlight-row {
    background: #FFFBEB !important;
}

.highlight-row td {
    border-bottom-color: #FDE68A !important;
}

/* Mistakes List */
.mistakes-list {
    list-style: none;
    counter-reset: mistakes;
    padding: 0;
    margin: 1.5rem 0 2rem;
}

.mistakes-list li {
    counter-increment: mistakes;
    position: relative;
    padding: 1rem 1rem 1rem 3.5rem;
    margin-bottom: 0.75rem;
    background: #FEF2F2;
    border-left: 3px solid #DC2626;
    border-radius: 0 8px 8px 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #374151;
}

.mistakes-list li::before {
    content: counter(mistakes);
    position: absolute;
    left: 0.75rem;
    top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #DC2626;
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.mistakes-list li strong {
    color: #991B1B;
}

/* Checklist */
.checklist {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 2rem;
}

.checklist li {
    position: relative;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    margin-bottom: 0.5rem;
    background: #F0FDF4;
    border-radius: 8px;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #374151;
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0.75rem;
    top: 0.75rem;
    color: #16A34A;
    font-weight: 700;
    font-size: 1rem;
}

.checklist li strong {
    color: #1a2b3c;
}

/* Formula */
.formula-block {
    background: #F8F9FA;
    border: 2px solid var(--color-primary-navy, #1E3A5F);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin: 1.5rem 0 2rem;
    text-align: center;
}

.formula {
    font-family: 'Courier New', monospace;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary-navy, #1E3A5F);
    margin-bottom: 0.5rem;
}

.formula-desc {
    font-size: 0.875rem;
    color: #6B7280;
}

/* Finish Sequence */
.finish-sequence {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 1.5rem 0 2rem;
    flex-wrap: wrap;
}

.finish-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-navy, #1E3A5F);
    color: white;
    border-radius: 50%;
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 0.875rem;
    font-weight: 700;
}

.finish-arrow {
    color: #9CA3AF;
    font-size: 1.25rem;
}

/* Savings Highlight */
.savings-highlight {
    background: linear-gradient(135deg, #F0FDF4, #ECFDF5);
    border: 2px solid #22C55E;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0 2.5rem;
}

.big-number {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: #16A34A;
    line-height: 1.1;
}

.savings-highlight .label {
    font-size: 1.0625rem;
    font-weight: 600;
    color: #1a2b3c;
    margin-top: 0.5rem;
}

.sublabel {
    font-size: 0.875rem;
    color: #6B7280;
    margin-top: 0.25rem;
}

/* Video Placeholder */
.video-placeholder {
    background: #F8F9FA;
    border: 2px dashed #D1D5DB;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    margin: 1.5rem 0 2rem;
}

.video-placeholder-icon {
    margin-bottom: 0.75rem;
}

.video-placeholder-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: #1a2b3c;
    margin-bottom: 0.375rem;
}

.video-placeholder-desc {
    font-size: 0.875rem;
    color: #6B7280;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Mobile */
@media (max-width: 480px) {
    .article-hero { padding: 3.5rem 0 2rem; }
    .article-hero-inner { padding: 0 1rem; }
    .article-hero-desc { font-size: 1rem; }
    .article-hero-image {
        margin: -1rem auto 1.5rem;
        padding: 0 1rem;
    }
    .article-brand-logo {
        margin: -1.5rem auto 1.5rem;
        padding: 0 1rem;
        text-align: center;
    }
    .article-brand-logo img {
        width: auto;
        max-width: 300px;
        max-height: 100px;
        border-radius: 8px;
    }
    .article-layout {
        grid-template-columns: 1fr;
        padding: 2rem 1rem 3rem;
    }
    .article-layout > * { grid-column: 1; }
    .article-layout > .full-width { padding: 0; }
    .article-layout h2 { font-size: 1.375rem; margin: 2rem 0 1rem; }
    .article-layout h3 { font-size: 1.125rem; }
    .article-layout p,
    .article-layout ul,
    .article-layout ol { font-size: 1rem; }
    .answer-capsule { padding: 1rem 1.25rem; font-size: 0.9375rem; }
    .toc { padding: 1.25rem; }
    .article-table { min-width: auto; font-size: 0.8125rem; }
    .article-table th { padding: 0.625rem 0.75rem; font-size: 0.6875rem; }
    .article-table td { padding: 0.5rem 0.75rem; }
    .callout { padding: 1rem 1.25rem; }
    .facts-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
    .fact-number { font-size: 1.5rem; }
    .related-grid { gap: 0.75rem; }
    .related-card { padding: 1.25rem; }
    .series-compare { grid-template-columns: 1fr; gap: 0.75rem; }
    .series-box { padding: 1.25rem; }
    .series-box-price { font-size: 1.5rem; }
    .marking-example { padding: 1.25rem; }
    .marking-code { font-size: 1.125rem; }
    .marking-legend { flex-direction: column; gap: 0.5rem; }
    .article-cta { padding: 1.5rem; }
    .article-cta h2 { font-size: 1.25rem; }
    .btn-group { flex-direction: column; align-items: center; }
    .mistakes-list li { padding-left: 3rem; }
    .formula-block { padding: 1.25rem; }
    .formula { font-size: 0.9375rem; }
    .finish-step { width: 52px; height: 52px; font-size: 0.75rem; }
    .big-number { font-size: 2.5rem; }
    .savings-highlight { padding: 1.5rem; }
    .video-placeholder { padding: 1.5rem; }
}