/* ===== CHÍ CƯỜNG AUTO – SEO ARTICLE STYLES ===== */
*, *::before, *::after { box-sizing: border-box; }

:root {
–brand: #E63312;
–brand-dark: #B52200;
–brand-light: #FFF1EE;
–ink: #1A1A1A;
–ink-2: #444;
–ink-3: #777;
–surface: #FFFFFF;
–surface-2: #F7F7F5;
–surface-3: #EFEFEC;
–border: #E2E2DC;
–success: #1B7A45;
–radius: 10px;
–radius-lg: 16px;
–font-head: ‘Barlow Condensed’, sans-serif;
–font-body: ‘Barlow’, sans-serif;
–shadow-sm: 0 1px 4px rgba(0,0,0,.07);
–shadow-md: 0 4px 16px rgba(0,0,0,.10);
}

.seo-article {
max-width: 820px;
margin: 0 auto;
padding: 0 20px 60px;
font-family: var(–font-body);
font-size: 16px;
line-height: 1.75;
color: var(–ink);
}

/* HERO */
.seo-article .hero {
background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 60%, #3A1A10 100%);
border-radius: var(–radius-lg);
padding: 48px 40px 44px;
margin-bottom: 40px;
position: relative;
overflow: hidden;
}
.seo-article .hero::before {
content: ”;
position: absolute;
top: -40px; right: -40px;
width: 260px; height: 260px;
background: radial-gradient(circle, rgba(230,51,18,.25) 0%, transparent 70%);
pointer-events: none;
}
.seo-article .hero-badge {
display: inline-flex;
align-items: center;
gap: 6px;
background: var(–brand);
color: #fff;
font-size: 11px;
font-weight: 700;
letter-spacing: .08em;
text-transform: uppercase;
padding: 4px 12px;
border-radius: 20px;
margin-bottom: 18px;
}
.seo-article .hero h1 {
font-family: var(–font-head);
font-size: clamp(26px, 4vw, 38px);
font-weight: 700;
line-height: 1.2;
color: #fff;
margin-bottom: 16px;
text-transform: uppercase;
letter-spacing: .01em;
border: none;
padding: 0;
}
.seo-article .hero h1 span { color: var(–brand); }
.seo-article .hero-intro {
font-size: 15px;
color: rgba(255,255,255,.75);
line-height: 1.75;
max-width: 580px;
}
.seo-article .hero-meta {
display: flex;
flex-wrap: wrap;
gap: 16px;
margin-top: 24px;
}
.seo-article .hero-meta-item {
display: flex;
align-items: center;
gap: 6px;
font-size: 13px;
color: rgba(255,255,255,.6);
}

/* TOC */
.seo-article .toc {
background: var(–surface-2);
border: 1px solid var(–border);
border-left: 4px solid var(–brand);
border-radius: var(–radius);
padding: 20px 24px;
margin-bottom: 36px;
}
.seo-article .toc-title {
font-family: var(–font-head);
font-size: 14px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: .07em;
color: var(–brand);
margin-bottom: 12px;
}
.seo-article .toc ol { padding-left: 20px; margin: 0; }
.seo-article .toc li { font-size: 14px; line-height: 1.6; margin-bottom: 4px; }
.seo-article .toc a { color: var(–ink-2); text-decoration: none; transition: color .15s; }
.seo-article .toc a:hover { color: var(–brand); }

/* HEADINGS */
.seo-article h2.seo-h2 {
font-family: var(–font-head);
font-size: clamp(20px, 3vw, 26px);
font-weight: 700;
text-transform: uppercase;
letter-spacing: .02em;
color: var(–ink);
border-bottom: 2px solid var(–brand);
padding-bottom: 8px;
margin: 44px 0 20px;
line-height: 1.25;
}
.seo-article h3.seo-h3 {
font-family: var(–font-head);
font-size: 18px;
font-weight: 700;
color: var(–ink);
margin: 28px 0 12px;
display: flex;
align-items: center;
gap: 8px;
}
.seo-article h3.seo-h3::before {
content: ”;
display: block;
width: 4px;
height: 18px;
background: var(–brand);
border-radius: 2px;
flex-shrink: 0;
}

/* PARAGRAPHS */
.seo-article .seo-p {
font-size: 15.5px;
line-height: 1.82;
color: var(–ink-2);
margin-bottom: 14px;
}
.seo-article .seo-p strong { color: var(–ink); font-weight: 600; }

/* STORY BLOCK */
.seo-article .story-block {
background: var(–surface-2);
border-left: 4px solid var(–brand);
border-radius: 0 var(–radius) var(–radius) 0;
padding: 18px 20px;
margin: 22px 0;
font-size: 15px;
line-height: 1.8;
color: var(–ink-2);
font-style: italic;
}
.seo-article .story-block .story-label {
font-style: normal;
font-weight: 700;
font-size: 12px;
text-transform: uppercase;
letter-spacing: .07em;
color: var(–brand);
margin-bottom: 8px;
display: block;
}

/* CALLOUT */
.seo-article .callout {
border-radius: var(–radius);
padding: 18px 20px;
margin: 24px 0;
}
.seo-article .callout-body { font-size: 14.5px; line-height: 1.7; }
.seo-article .callout-body strong { font-weight: 600; display: block; margin-bottom: 4px; }
.seo-article .callout.info { background: #EAF4FF; border: 1px solid #BAD9F5; color: #124070; }
.seo-article .callout.warning { background: #FFF8E6; border: 1px solid #F5DFA0; color: #6B4200; }
.seo-article .callout.success { background: #EDFAF4; border: 1px solid #A8DFC5; color: #0F4D2C; }

/* PHOTO BLOCKS */
.seo-article .photo-block {
margin: 28px 0;
border-radius: var(–radius-lg);
overflow: hidden;
box-shadow: var(–shadow-md);
position: relative;
}
.seo-article .photo-block img {
width: 100%;
display: block;
transition: transform .4s ease;
aspect-ratio: 16/9;
object-fit: cover;
}
.seo-article .photo-block:hover img { transform: scale(1.03); }
.seo-article .photo-caption {
position: absolute;
bottom: 0; left: 0; right: 0;
background: linear-gradient(0deg, rgba(0,0,0,.75) 0%, transparent 100%);
color: #fff;
font-size: 13px;
padding: 20px 16px 12px;
line-height: 1.4;
}
.seo-article .photo-caption strong { font-size: 14px; display: block; margin-bottom: 2px; }

/* BEFORE/AFTER */
.seo-article .before-after {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
margin: 28px 0;
}
.seo-article .ba-item {
position: relative;
border-radius: var(–radius-lg);
overflow: hidden;
box-shadow: var(–shadow-sm);
background: var(–ink);
}
.seo-article .ba-item img {
width: 100%;
display: block;
transition: transform .4s ease;
aspect-ratio: 4/3;
object-fit: cover;
opacity: .95;
}
.seo-article .ba-item:hover img { transform: scale(1.05); opacity: 1; }
.seo-article .ba-label {
position: absolute;
top: 12px; left: 12px;
z-index: 2;
font-weight: 700;
font-size: 12px;
text-transform: uppercase;
letter-spacing: .06em;
padding: 4px 10px;
border-radius: 20px;
}
.seo-article .ba-label.before { background: rgba(230,51,18,.9); color: #fff; }
.seo-article .ba-label.after { background: rgba(27,122,69,.9); color: #fff; }
.seo-article .ba-desc {
position: absolute;
bottom: 0; left: 0; right: 0;
background: linear-gradient(0deg, rgba(0,0,0,.7) 0%, transparent 100%);
color: #fff;
font-size: 12px;
padding: 16px 12px 10px;
line-height: 1.4;
}

/* BRAND STRIP */
.seo-article .brand-strip {
display: flex;
align-items: center;
gap: 16px;
background: var(–surface-2);
border: 1px solid var(–border);
border-radius: var(–radius);
padding: 16px 20px;
margin: 24px 0;
}
.seo-article .brand-strip img { width: 80px; flex-shrink: 0; border-radius: 8px; }
.seo-article .brand-strip-text { font-size: 14px; color: var(–ink-2); line-height: 1.65; }
.seo-article .brand-strip-text strong { color: var(–ink); display: block; margin-bottom: 4px; font-size: 15px; }

/* CHECKLIST */
.seo-article .checklist { list-style: none; padding: 0; margin: 16px 0; }
.seo-article .checklist li {
font-size: 15px;
line-height: 1.65;
padding: 8px 0 8px 32px;
position: relative;
border-bottom: 1px solid var(–surface-3);
color: var(–ink-2);
}
.seo-article .checklist li:last-child { border-bottom: none; }
.seo-article .checklist li::before {
content: ‘✓’;
position: absolute;
left: 0; top: 8px;
width: 20px; height: 20px;
background: var(–success);
color: #fff;
font-size: 11px;
font-weight: 700;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
line-height: 20px;
text-align: center;
}

/* HIGHLIGHT LIST */
.seo-article .hl-list { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 8px; }
.seo-article .hl-list li {
background: var(–surface-2);
border: 1px solid var(–border);
border-radius: var(–radius);
padding: 12px 16px;
font-size: 15px;
color: var(–ink-2);
}

/* GARAGE CHECKLIST */
.seo-article .garage-checklist { list-style: none; padding: 0; margin: 16px 0; }
.seo-article .garage-checklist li {
display: flex;
align-items: flex-start;
gap: 12px;
padding: 12px 0;
border-bottom: 1px solid var(–border);
font-size: 14.5px;
color: var(–ink-2);
}
.seo-article .garage-checklist li:last-child { border-bottom: none; }
.seo-article .gc-box {
width: 20px; height: 20px;
border: 2px solid var(–brand);
border-radius: 4px;
flex-shrink: 0;
margin-top: 2px;
display: flex;
align-items: center;
justify-content: center;
font-size: 11px;
color: var(–brand);
font-weight: 700;
}
.seo-article .garage-checklist li strong { color: var(–ink); font-weight: 600; display: block; margin-bottom: 2px; }

/* MISTAKE CARDS */
.seo-article .mistake-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
gap: 14px;
margin: 20px 0;
}
.seo-article .mistake-card {
background: var(–surface);
border: 1px solid var(–border);
border-top: 4px solid var(–brand);
border-radius: var(–radius);
padding: 18px 16px;
}
.seo-article .mistake-number { font-family: var(–font-head); font-size: 28px; font-weight: 700; color: var(–brand); line-height: 1; margin-bottom: 8px; }
.seo-article .mistake-title { font-size: 14px; font-weight: 700; color: var(–ink); margin-bottom: 8px; }
.seo-article .mistake-body { font-size: 13px; color: var(–ink-3); line-height: 1.65; }

/* PRICE TABLE */
.seo-article .price-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; overflow: hidden; box-shadow: var(–shadow-sm); }
.seo-article .price-table thead tr { background: var(–ink); color: #fff; }
.seo-article .price-table th { padding: 12px 16px; text-align: left; font-family: var(–font-head); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.seo-article .price-table td { padding: 11px 16px; border-bottom: 1px solid var(–border); color: var(–ink-2); vertical-align: top; }
.seo-article .price-table tbody tr:nth-child(even) td { background: var(–surface-2); }
.seo-article .price-table tbody tr:hover td { background: var(–brand-light); }
.seo-article .price-table .price-val { font-weight: 700; color: var(–brand-dark); white-space: nowrap; }
.seo-article .price-table .note-text { font-size: 12px; color: var(–ink-3); }

/* REVIEW */
.seo-article .review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 20px 0; }
.seo-article .review-card { background: var(–surface); border: 1px solid var(–border); border-radius: var(–radius-lg); padding: 18px 16px; box-shadow: var(–shadow-sm); }
.seo-article .review-stars { color: #F5A623; font-size: 16px; margin-bottom: 8px; }
.seo-article .review-text { font-size: 13.5px; color: var(–ink-2); line-height: 1.65; margin-bottom: 12px; font-style: italic; }
.seo-article .review-author { display: flex; align-items: center; gap: 10px; }
.seo-article .review-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(–brand); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.seo-article .review-name { font-size: 13px; font-weight: 600; color: var(–ink); }
.seo-article .review-source { font-size: 11px; color: var(–ink-3); }
.seo-article .review-note { font-size: 12px; color: var(–ink-3); margin-top: 10px; font-style: italic; text-align: center; }

/* WHEN GRID */
.seo-article .when-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin: 20px 0; }
.seo-article .when-card { background: var(–surface-2); border: 1px solid var(–border); border-radius: var(–radius); padding: 16px 14px; }
.seo-article .when-title { font-size: 13px; font-weight: 700; color: var(–ink); margin-bottom: 6px; }
.seo-article .when-desc { font-size: 12.5px; color: var(–ink-3); line-height: 1.6; }

/* CRITERIA */
.seo-article .criteria-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 20px 0; }
.seo-article .criteria-card { background: var(–surface); border: 1px solid var(–border); border-radius: var(–radius); padding: 20px 16px; transition: box-shadow .2s, transform .2s; }
.seo-article .criteria-card:hover { box-shadow: var(–shadow-md); transform: translateY(-2px); }
.seo-article .criteria-title { font-size: 14px; font-weight: 700; color: var(–ink); margin-bottom: 6px; }
.seo-article .criteria-desc { font-size: 13px; color: var(–ink-3); line-height: 1.6; }

/* SERVICE */
.seo-article .service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 20px 0; }
.seo-article .service-card { background: var(–surface); border: 1px solid var(–border); border-radius: var(–radius); overflow: hidden; transition: box-shadow .2s; }
.seo-article .service-card:hover { box-shadow: var(–shadow-md); }
.seo-article .service-header { background: var(–ink); color: #fff; padding: 14px 16px; font-family: var(–font-head); font-size: 15px; font-weight: 700; text-transform: uppercase; }
.seo-article .service-body { padding: 14px 16px; font-size: 13.5px; color: var(–ink-2); line-height: 1.65; }
.seo-article .service-tag { display: inline-block; background: var(–brand-light); color: var(–brand-dark); font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-top: 8px; }

/* LOCAL BLOCK */
.seo-article .local-block { background: var(–surface-2); border: 1px solid var(–border); border-radius: var(–radius-lg); padding: 24px; margin: 24px 0; }
.seo-article .local-title { font-family: var(–font-head); font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; color: var(–ink); }
.seo-article .local-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.seo-article .local-col-title { font-size: 13px; font-weight: 700; color: var(–ink-3); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 10px; }
.seo-article .local-list { list-style: none; padding: 0; }
.seo-article .local-list li { font-size: 14px; color: var(–ink-2); padding: 5px 0 5px 20px; position: relative; border-bottom: 1px solid var(–border); line-height: 1.5; }
.seo-article .local-list li:last-child { border-bottom: none; }
.seo-article .local-list li::before { content: ‘→’; position: absolute; left: 0; color: var(–brand); font-weight: 700; }

/* INFO CARD */
.seo-article .info-card { background: var(–surface-2); border: 1px solid var(–border); border-radius: var(–radius-lg); padding: 24px; margin: 24px 0; }
.seo-article .info-card-title { font-family: var(–font-head); font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(–brand); margin-bottom: 16px; }
.seo-article .info-row { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(–border); font-size: 14px; }
.seo-article .info-row:last-child { border-bottom: none; }
.seo-article .info-label { font-weight: 600; color: var(–ink); min-width: 120px; flex-shrink: 0; }
.seo-article .info-val { color: var(–ink-2); }

/* STAT ROW */
.seo-article .stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 24px 0; }
.seo-article .stat-card { background: var(–surface-2); border: 1px solid var(–border); border-radius: var(–radius); padding: 18px 14px; text-align: center; }
.seo-article .stat-num { font-family: var(–font-head); font-size: 30px; font-weight: 700; color: var(–brand); line-height: 1; margin-bottom: 4px; }
.seo-article .stat-label { font-size: 12px; color: var(–ink-3); line-height: 1.4; }

/* FAQ */
.seo-article .faq-list { margin: 16px 0; }
.seo-article .faq-item { border: 1px solid var(–border); border-radius: var(–radius); margin-bottom: 10px; overflow: hidden; }
.seo-article .faq-q { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; background: var(–surface-2); cursor: pointer; font-size: 15px; font-weight: 600; color: var(–ink); user-select: none; transition: background .15s; gap: 12px; }
.seo-article .faq-q:hover { background: var(–brand-light); }
.seo-article .faq-toggle { flex-shrink: 0; width: 22px; height: 22px; background: var(–brand); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 300; line-height: 1; transition: transform .25s; }
.seo-article .faq-item.open .faq-toggle { transform: rotate(45deg); }
.seo-article .faq-a { display: none; padding: 14px 18px 16px; font-size: 14.5px; line-height: 1.75; color: var(–ink-2); background: var(–surface); border-top: 1px solid var(–border); }
.seo-article .faq-item.open .faq-a { display: block; }

/* CTA */
.seo-article .cta-block { background: linear-gradient(135deg, #1A1A1A 0%, #2D1A12 100%); border-radius: var(–radius-lg); padding: 36px 32px; margin: 40px 0; position: relative; overflow: hidden; text-align: center; }
.seo-article .cta-block::before { content: ”; position: absolute; bottom: -50px; left: 50%; transform: translateX(-50%); width: 400px; height: 200px; background: radial-gradient(ellipse, rgba(230,51,18,.2) 0%, transparent 70%); pointer-events: none; }
.seo-article .cta-block h3 { font-family: var(–font-head); font-size: 22px; font-weight: 700; color: #fff; text-transform: uppercase; margin-bottom: 8px; border: none; padding: 0; }
.seo-article .cta-block p { font-size: 14px; color: rgba(255,255,255,.65); margin-bottom: 22px; line-height: 1.7; }
.seo-article .cta-trust { font-size: 12px; color: rgba(255,255,255,.4); margin-top: 14px; margin-bottom: 0; }
.seo-article .cta-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.seo-article .btn-primary { background: var(–brand); color: #fff; font-weight: 700; font-size: 14px; padding: 11px 24px; border-radius: 8px; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: background .15s, transform .12s; }
.seo-article .btn-primary:hover { background: var(–brand-dark); transform: translateY(-1px); color: #fff; }
.seo-article .btn-outline { background: transparent; color: #fff; font-weight: 600; font-size: 14px; padding: 10px 22px; border: 1.5px solid rgba(255,255,255,.4); border-radius: 8px; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: border-color .15s, background .15s; }
.seo-article .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }

/* ILINK */
.seo-article .ilink-group { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.seo-article .ilink { display: inline-flex; align-items: center; background: var(–surface-2); border: 1px solid var(–border); border-radius: 20px; padding: 5px 14px; font-size: 13px; color: var(–brand-dark); text-decoration: none; font-weight: 500; transition: background .15s, border-color .15s; }
.seo-article .ilink:hover { background: var(–brand-light); border-color: var(–brand); color: var(–brand-dark); }

/* DIVIDER */
.seo-article .section-divider { border: none; border-top: 1px solid var(–surface-3); margin: 40px 0 0; }

/* MOBILE */
@media (max-width: 600px) {
.seo-article .hero { padding: 32px 22px; }
.seo-article .hero h1 { font-size: 24px; }
.seo-article .mistake-grid,
.seo-article .criteria-grid,
.seo-article .service-grid,
.seo-article .review-grid { grid-template-columns: 1fr; }
.seo-article .when-grid { grid-template-columns: 1fr 1fr; }
.seo-article .before-after { grid-template-columns: 1fr; }
.seo-article .local-cols { grid-template-columns: 1fr; }
.seo-article .cta-block { padding: 28px 18px; }
.seo-article .price-table { font-size: 13px; }
.seo-article .price-table th,
.seo-article .price-table td { padding: 9px 10px; }
.seo-article .brand-strip { flex-direction: column; text-align: center; }
}