/* ============================================
   ERPChuẩn.vn — Shared Stylesheet
   Design: Professional Navy/White (G2/Capterra style)
   ============================================ */

:root {
  --navy: #1e3a8a;
  --navy-dark: #172554;
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --blue-mid: #dbeafe;
  --accent: #f59e0b;
  --accent-light: #fffbeb;
  --green: #10b981;
  --green-light: #ecfdf5;
  --red: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --dark: #111827;
  --white: #ffffff;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--dark);
  font-size: 16px;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== LAYOUT ===== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 820px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER / NAV ===== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--navy);
  text-decoration: none;
}
.logo-badge {
  background: var(--navy);
  color: var(--white);
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 900;
}
.logo span { color: var(--blue); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--gray-100); color: var(--dark); }
.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  border-radius: 8px !important;
  padding: 8px 16px !important;
}
.nav-cta:hover { background: var(--navy-dark) !important; color: var(--white) !important; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--blue) 100%);
  color: var(--white);
  padding: 72px 0 64px;
  text-align: center;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .03em;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 span { color: #fde68a; }
.hero p {
  font-size: 17px;
  opacity: .85;
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero-search {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  gap: 0;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}
.hero-search input {
  flex: 1;
  padding: 14px 18px;
  border: none;
  font-size: 15px;
  color: var(--dark);
  outline: none;
}
.hero-search button {
  background: var(--accent);
  border: none;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  white-space: nowrap;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 24px; font-weight: 900; color: #fde68a; }
.hero-stat span { font-size: 13px; opacity: .75; }

/* ===== SECTION HEADERS ===== */
.section { padding: 60px 0; }
.section-alt { background: var(--gray-50); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}
.section-header p { color: var(--gray-600); font-size: 16px; }
.section-label {
  display: inline-block;
  background: var(--blue-mid);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

/* ===== CATEGORY GRID ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.cat-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--dark);
  transition: border-color .15s, box-shadow .15s, transform .15s;
  display: block;
}
.cat-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}
.cat-icon { font-size: 32px; margin-bottom: 8px; }
.cat-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.cat-card span { font-size: 12px; color: var(--gray-400); }

/* ===== ARTICLE CARDS ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.article-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .15s, transform .15s;
  display: flex;
  flex-direction: column;
  background: var(--white);
}
.article-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.article-card-img {
  height: 160px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.article-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.article-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tag-tof { background: #d1fae5; color: #065f46; }
.tag-mof { background: #fef3c7; color: #92400e; }
.tag-bof { background: #fee2e2; color: #991b1b; }
.tag-compare { background: var(--blue-mid); color: var(--navy); }
.article-card h3 { font-size: 16px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; color: var(--dark); }
.article-card p { font-size: 14px; color: var(--gray-600); flex: 1; }
.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-200);
  font-size: 12px;
  color: var(--gray-400);
}
.read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}
.read-more:hover { text-decoration: underline; }

/* ===== COMPARISON TABLE (on homepage) ===== */
.compare-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.compare-chip {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--dark);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
.compare-chip:hover { border-color: var(--blue); box-shadow: var(--shadow-md); text-decoration: none; }
.compare-chip-icon { font-size: 28px; flex-shrink: 0; }
.compare-chip-text h4 { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.compare-chip-text span { font-size: 12px; color: var(--gray-400); }
.compare-arrow { margin-left: auto; color: var(--gray-400); font-size: 16px; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  color: var(--white);
}
.cta-banner h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.cta-banner p { opacity: .85; font-size: 16px; margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .9; text-decoration: none; }
.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,.5);
  text-decoration: none;
  margin-left: 12px;
  transition: border-color .15s;
}
.btn-outline:hover { border-color: var(--white); text-decoration: none; }

/* ===== TRUST STRIP ===== */
.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  flex-wrap: wrap;
}
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--gray-600); font-size: 14px; font-weight: 500; }
.trust-item span:first-child { font-size: 18px; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  color: #d1d5db;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 13.5px; line-height: 1.7; margin-top: 12px; opacity: .7; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #9ca3af; font-size: 13.5px; text-decoration: none; transition: color .15s; }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #6b7280;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo-text { font-weight: 800; font-size: 16px; color: var(--white); }
.footer-logo-text span { color: #60a5fa; }

/* ===== ARTICLE PAGE ===== */
.article-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  padding: 48px 0 40px;
}
.breadcrumb { font-size: 13px; margin-bottom: 16px; opacity: .7; }
.breadcrumb a { color: #93c5fd; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }
.article-hero h1 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 780px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  opacity: .8;
}
.article-meta span { display: flex; align-items: center; gap: 5px; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 48px 0 64px;
  align-items: start;
}
.article-content { min-width: 0; }
.article-sidebar { position: sticky; top: 84px; }

/* TOC */
.toc-box {
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 32px;
}
.toc-box h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--navy); margin-bottom: 12px; }
.toc-list { list-style: none; }
.toc-list li { margin-bottom: 6px; }
.toc-list a { font-size: 13.5px; color: var(--blue); text-decoration: none; }
.toc-list a:hover { text-decoration: underline; }
.toc-list li.sub { padding-left: 14px; }
.toc-list li.sub a { font-size: 13px; color: var(--gray-600); }

/* Article typography */
.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  margin: 40px 0 14px;
  padding-top: 8px;
  border-top: 3px solid var(--blue-mid);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  margin: 28px 0 10px;
}
.article-body p { margin-bottom: 16px; font-size: 16px; line-height: 1.75; }
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 16px;
}
.article-body li { margin-bottom: 8px; font-size: 16px; line-height: 1.7; }
.article-body strong { color: var(--dark); }
.article-body a { color: var(--blue); }

/* Highlight box */
.highlight-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
}
.highlight-box strong { color: var(--navy); }

/* Key point */
.key-point {
  background: var(--accent-light);
  border: 1px solid #fcd34d;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
}

/* Comparison table in articles */
.compare-table-wrap { overflow-x: auto; margin: 24px 0; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.compare-table th {
  background: var(--navy);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
}
.compare-table th:first-child { width: 200px; }
.compare-table td { padding: 12px 16px; border-bottom: 1px solid var(--gray-200); vertical-align: middle; }
.compare-table tr:hover td { background: var(--gray-50); }
.compare-table .winner { color: var(--green); font-weight: 700; }
.compare-table .loser { color: var(--gray-400); }
.check { color: var(--green); font-weight: 700; font-size: 16px; }
.cross { color: var(--red); font-size: 16px; }

/* CTA in article */
.article-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  color: var(--white);
  text-align: center;
  margin: 40px 0;
}
.article-cta h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.article-cta p { opacity: .85; font-size: 14px; margin-bottom: 20px; }

/* Sidebar boxes */
.sidebar-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--white);
  margin-bottom: 20px;
  text-align: center;
}
.sidebar-cta h4 { font-size: 15px; font-weight: 800; margin-bottom: 8px; }
.sidebar-cta p { font-size: 13px; opacity: .85; margin-bottom: 14px; }
.sidebar-cta a {
  display: block;
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
}
.sidebar-cta a:hover { opacity: .9; }
.sidebar-box {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.sidebar-box h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-600); margin-bottom: 12px; }
.sidebar-box ul { list-style: none; }
.sidebar-box ul li { margin-bottom: 8px; }
.sidebar-box ul li a { font-size: 13.5px; color: var(--blue); text-decoration: none; }
.sidebar-box ul li a:hover { text-decoration: underline; }

/* Rating stars */
.rating { color: var(--accent); font-size: 15px; }
.rating-row { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; font-size: 14px; }
.rating-label { color: var(--gray-600); min-width: 120px; }
.rating-bar { flex: 1; height: 8px; background: var(--gray-200); border-radius: 4px; overflow: hidden; }
.rating-fill { height: 100%; background: var(--accent); border-radius: 4px; }
.rating-num { font-size: 13px; font-weight: 600; color: var(--gray-600); min-width: 28px; text-align: right; }

/* ===== VS / COMPARISON PAGES ===== */
.vs-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 28px 0;
  border: 1px solid var(--gray-200);
}
.vs-product { text-align: center; }
.vs-product .logo-big { font-size: 40px; margin-bottom: 8px; }
.vs-product h3 { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.vs-product .tagline { font-size: 13px; color: var(--gray-600); }
.vs-divider { font-size: 28px; font-weight: 900; color: var(--gray-400); text-align: center; }

.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.decision-box { border-radius: var(--radius); padding: 18px; border: 2px solid; }
.decision-box h4 { font-size: 14px; font-weight: 800; margin-bottom: 10px; }
.decision-box ul { list-style: none; }
.decision-box ul li { font-size: 13px; padding: 3px 0 3px 16px; position: relative; }
.decision-box ul li::before { content: '→'; position: absolute; left: 0; font-weight: 700; }
/* Colour variants */
.decision-box.kiot  { border-color: #60a5fa; background: #eff6ff; }
.decision-box.kiot h4 { color: #1d4ed8; }
.decision-box.kiot ul li::before { color: var(--blue); }
.decision-box.misa  { border-color: #60a5fa; background: #eff6ff; }
.decision-box.misa h4 { color: #1d4ed8; }
.decision-box.misa ul li::before { color: var(--blue); }
.decision-box.sapo  { border-color: var(--accent); background: var(--accent-light); }
.decision-box.sapo h4 { color: #92400e; }
.decision-box.sapo ul li::before { color: var(--accent); }
.decision-box.sandbox { border-color: var(--green); background: var(--green-light); }
.decision-box.sandbox h4 { color: #065f46; }
.decision-box.sandbox ul li::before { color: var(--green); }

/* ===== PROS / CONS ===== */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 18px 0; }
.pros, .cons { border-radius: var(--radius); padding: 14px 16px; }
.pros { background: var(--green-light); }
.cons { background: #fef2f2; }
.pros h5, .cons h5 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.pros h5 { color: var(--green); }
.cons h5 { color: var(--red); }
.pros ul, .cons ul { list-style: none; }
.pros ul li, .cons ul li { font-size: 13.5px; padding: 3px 0 3px 16px; position: relative; line-height: 1.4; }
.pros ul li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.cons ul li::before { content: '✗'; position: absolute; left: 0; color: var(--red); font-weight: 700; }

/* ===== SOFTWARE CARDS (Top ERP / Spa pages) ===== */
.software-card { border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 28px; background: var(--white); box-shadow: var(--shadow); }
.software-card-header { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 18px; }
.software-rank { background: var(--navy); color: var(--white); width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 900; flex-shrink: 0; }
.software-rank.top { background: var(--accent); color: var(--dark); }
.software-info { flex: 1; }
.software-name { font-size: 20px; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.software-tagline { font-size: 14px; color: var(--gray-600); margin-bottom: 8px; }
.software-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge-pill { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; border: 1px solid; }
.badge-best { background: #d1fae5; color: #065f46; border-color: #6ee7b7; }
.badge-price { background: var(--blue-mid); color: var(--navy); border-color: #93c5fd; }
.badge-industry { background: var(--accent-light); color: #92400e; border-color: #fcd34d; }
.software-score { text-align: right; flex-shrink: 0; }
.score-big { font-size: 34px; font-weight: 900; color: var(--navy); line-height: 1; }
.score-label { font-size: 11px; color: var(--gray-400); }
.best-for { background: var(--gray-50); border-radius: var(--radius); padding: 12px 14px; font-size: 13.5px; margin-top: 12px; border-left: 3px solid var(--blue); }

/* ===== VERDICT / CATEGORY SCORE TABLE (Top ERP) ===== */
.verdict-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 24px 0; }
.verdict-table th { background: var(--navy); color: #fff; padding: 10px 12px; text-align: left; }
.verdict-table td { padding: 10px 12px; border-bottom: 1px solid var(--gray-200); }
.verdict-table tr:hover td { background: var(--gray-50); }
.category-score { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; text-align: center; }
.cat-score-box { border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 14px 10px; }
.cat-score-box .cat-name { font-size: 12px; color: var(--gray-600); margin-bottom: 6px; }
.cat-score-box .scores { display: flex; justify-content: center; gap: 12px; }
.cat-score-box .s { font-size: 18px; font-weight: 800; }
.cat-score-box .s.win { color: var(--green); }
.cat-score-box .s.lose { color: var(--gray-400); }

/* ===== UPGRADE TIMELINE (Sapo article) ===== */
.upgrade-timeline { background: var(--gray-50); border-radius: var(--radius-lg); padding: 24px; margin: 24px 0; border: 1px solid var(--gray-200); }
.upgrade-timeline h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--navy); }
.timeline-step { display: flex; gap: 14px; margin-bottom: 14px; align-items: flex-start; }
.step-num { background: var(--navy); color: #fff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.step-num.current { background: var(--accent); color: var(--dark); }
.step-content { font-size: 13.5px; }
.step-content strong { display: block; margin-bottom: 2px; }

/* ===== PAIN POINT BOX (Spa article) ===== */
.pain-point-box { background: #fef3c7; border: 1px solid #fcd34d; border-radius: var(--radius); padding: 16px 20px; margin: 20px 0; }
.pain-point-box h4 { font-size: 13px; font-weight: 700; color: #92400e; margin-bottom: 8px; }
.pain-point-box ul { list-style: none; padding: 0; }
.pain-point-box ul li { font-size: 13.5px; padding: 4px 0 4px 22px; position: relative; }
.pain-point-box ul li::before { content: '⚠️'; position: absolute; left: 0; font-size: 12px; }

/* ===== CHECKLIST TABLE (Spa article) ===== */
.checklist-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 20px 0; }
.checklist-table th { background: var(--navy); color: #fff; padding: 10px 14px; text-align: left; font-size: 12px; }
.checklist-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); vertical-align: middle; }
.checklist-table tr:hover td { background: var(--gray-50); }

/* ===== DISCLOSURE BANNER ===== */
.disclosure-bar {
  background: #fffbeb;
  border-bottom: 1px solid #fcd34d;
  padding: 8px 0;
  font-size: 12px;
  color: #92400e;
  text-align: center;
}
.disclosure-bar a { color: #92400e; font-weight: 600; }

/* ===== LANDING PAGE (SandboxVN + Đăng ký) ===== */
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.module-card { border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 18px; background: var(--white); }
.module-card .m-icon { font-size: 28px; margin-bottom: 8px; }
.module-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.module-card p { font-size: 13px; color: var(--gray-600); }
.case-study-card { border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 16px; }
.case-study-card .cs-tag { font-size: 11px; font-weight: 700; background: var(--blue-mid); color: var(--navy); padding: 2px 10px; border-radius: 20px; display: inline-block; margin-bottom: 10px; }
.case-study-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.case-study-card .cs-result { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 12px; }
.cs-metric { text-align: center; }
.cs-metric strong { display: block; font-size: 22px; font-weight: 900; color: var(--green); }
.cs-metric span { font-size: 12px; color: var(--gray-600); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-600); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--gray-200); border-radius: 8px;
  font-size: 15px; font-family: inherit; outline: none; transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-submit { width: 100%; background: var(--navy); color: #fff; border: none; padding: 14px; border-radius: 10px; font-size: 16px; font-weight: 700; cursor: pointer; transition: background .15s; }
.form-submit:hover { background: var(--navy-dark); }
.stub-coming { text-align: center; padding: 80px 20px; }
.stub-coming .stub-icon { font-size: 64px; margin-bottom: 16px; }
.stub-coming h2 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.stub-coming p { color: var(--gray-600); margin-bottom: 24px; }

/* ===== RESPONSIVE — extra ===== */
@media (max-width: 600px) {
  .vs-header { grid-template-columns: 1fr; }
  .vs-divider { display: none; }
  .decision-grid { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .category-score { grid-template-columns: 1fr 1fr; }
  .software-score { display: none; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 20px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .cta-banner { padding: 32px 20px; }
  .btn-outline { display: none; }
  .section { padding: 40px 0; }
  .hero-search { flex-direction: column; border-radius: 12px; }
  .hero-search input { border-radius: 12px 12px 0 0; }
  .hero-search button { border-radius: 0 0 12px 12px; }
}