/* ============================================================
   Á Châu - Trust & Authority Design System
   Source: UI UX Pro Max - Legal Services pattern
   Style: Trust & Authority + Minimalism (Swiss)
   BRAND COLORS từ trang gốc dichvuketoanachau.com:
   - Blue #1D4A76 (hero) + #296897 (medium) + #175EB4 (CTA)
   - Green #008749 (accent CTA)
   ============================================================ */

:root {
  /* Brand Blue (replace previous navy) - extracted from original site */
  --navy-900: #0F2E50;  /* darker variant - footer/headers */
  --navy-800: #1D4A76;  /* PRIMARY brand blue - hero background */
  --navy-700: #296897;  /* medium blue - secondary surfaces */
  --navy-600: #3978A9;  /* lighter blue */
  --navy-500: #6C9CC0;  /* muted text on light bg */
  --navy-200: #D6E0EA;  /* borders/dividers */
  --navy-100: #E6EEF5;  /* very light blue bg */
  --navy-50: #F4F8FB;   /* lightest surface bg */

  /* Brand Green (replaced previous gold) - extracted from original site CTA */
  --gold-700: #008749;  /* PRIMARY accent green - CTA, badges */
  --gold-600: #00A85B;  /* hover green */
  --gold-500: #4ECC8C;  /* light green - hero accents */
  --gold-200: #D7F0E0;  /* very light green bg */

  /* Deep blue CTA (link color from original site) */
  --blue-cta: #175EB4;
  --blue-cta-dark: #134CCA;

  --red-urgent: #DC2626;
  --green-success: #008749;

  --white: #FFFFFF;
  --black: #051429;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'DM Sans', 'Inter', system-ui, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(29, 74, 118, 0.06);
  --shadow-md: 0 4px 12px rgba(29, 74, 118, 0.08);
  --shadow-lg: 0 12px 32px rgba(29, 74, 118, 0.12);

  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--navy-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* === Review bar === */
.review-bar {
  background: var(--gold-500);
  color: var(--navy-900);
  padding: 10px 24px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 2px solid var(--gold-700);
}
.review-bar a { color: var(--navy-900); text-decoration: underline; margin: 0 8px; font-weight: 700; }

/* === Container === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* === Header === */
header.site-header {
  background: var(--navy-900);
  border-bottom: 3px solid var(--gold-700);
  position: sticky;
  top: 36px;
  z-index: 100;
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo span { color: var(--gold-500); }
.logo small { display: block; font-size: 10px; font-weight: 400; color: var(--navy-500); letter-spacing: 0.1em; text-transform: uppercase; margin-top: -2px; }

nav ul { display: flex; list-style: none; gap: 32px; }
nav a {
  color: var(--navy-200);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 180ms ease;
}
nav a:hover { color: var(--gold-500); }

.btn-hotline {
  background: var(--gold-700);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 180ms ease;
}
.btn-hotline:hover { background: var(--gold-600); color: var(--navy-900); }

/* === Hero === */
.hero {
  background:
    linear-gradient(135deg, rgba(15,46,80,0.92) 0%, rgba(29,74,118,0.88) 100%),
    url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?w=1600&q=80&auto=format&fit=crop') center/cover;
  color: var(--white);
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,135,73,0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; max-width: 900px; }

/* Hero with split layout (image + text) */
.hero.split .container { max-width: var(--container); display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.hero-image-wrap { position: relative; }
.hero-image-wrap img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,0.3); border: 4px solid rgba(78,204,140,0.3); }
.hero-image-wrap .badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--gold-700); color: var(--white);
  padding: 12px 20px; border-radius: var(--radius-md);
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  box-shadow: 0 8px 20px rgba(0,135,73,0.4);
}
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,135,73,0.15);
  border: 1px solid rgba(0,135,73,0.3);
  color: var(--gold-500);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--white);
}
.hero h1 .accent { color: var(--gold-500); }
.hero .subtitle {
  font-size: 19px;
  color: var(--navy-200);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 700px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--gold-700);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 180ms ease;
  box-shadow: 0 4px 16px rgba(0,135,73,0.4);
}
.btn-primary:hover { background: var(--gold-600); color: var(--navy-900); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,135,73,0.5); }

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--navy-500);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 180ms ease;
}
.btn-secondary:hover { border-color: var(--gold-500); color: var(--gold-500); }

/* === Stats strip === */
.stats-strip {
  background: var(--navy-50);
  border-top: 1px solid var(--navy-200);
  border-bottom: 1px solid var(--navy-200);
  padding: 40px 0;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  background: var(--white);
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.stat { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-number .unit { color: var(--gold-700); }
.stat-label {
  font-size: 13px;
  color: var(--navy-500);
  font-weight: 500;
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Sections === */
main section { padding: 80px 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  color: var(--gold-700);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle { font-size: 17px; color: var(--navy-600); }

h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}
h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--navy-900);
  margin: 24px 0 12px;
}

p { color: var(--navy-700); margin-bottom: 16px; }
strong { color: var(--navy-900); font-weight: 600; }

ul, ol { margin: 12px 0 16px 24px; color: var(--navy-700); }
li { margin-bottom: 6px; }

/* === Service cards grid === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 250ms ease;
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-700);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity 250ms ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--gold-700); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 48px;
  height: 48px;
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--navy-900);
}
.service-card h3 { margin-top: 0; margin-bottom: 10px; font-size: 18px; }
.service-card p { font-size: 14px; color: var(--navy-600); margin-bottom: 16px; }
.service-card .link {
  color: var(--blue-cta);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.service-card .link:hover { color: var(--blue-cta-dark); }

/* === Two column === */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

/* === Why us / features === */
.features-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.feature {
  display: flex;
  gap: 20px;
  padding: 8px 0;
}
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--navy-900);
  color: var(--gold-500);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-display);
}
.feature-content h4 { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--navy-900); margin-bottom: 4px; }
.feature-content p { font-size: 14px; color: var(--navy-600); margin: 0; }

/* === Pricing === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pricing-card {
  background: var(--white);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: all 250ms ease;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--gold-700);
  transform: scale(1.04);
}
.pricing-card.featured::before {
  content: 'Phổ biến';
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gold-700);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  color: var(--navy-600);
}
.pricing-card.featured h4 { color: var(--gold-500); }
.pricing-card .price {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
  margin: 12px 0 4px;
}
.pricing-card.featured .price { color: var(--white); }
.pricing-card .price-unit { font-size: 13px; color: var(--navy-500); margin-bottom: 16px; }
.pricing-card.featured .price-unit { color: var(--navy-200); }
.pricing-card .scope { font-size: 13px; color: var(--navy-600); margin-bottom: 20px; padding: 12px 0; border-top: 1px solid var(--navy-200); border-bottom: 1px solid var(--navy-200); }
.pricing-card.featured .scope { color: var(--navy-200); border-color: var(--navy-700); }

/* === Table === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th {
  background: var(--navy-900);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.data-table td { padding: 16px 20px; border-bottom: 1px solid var(--navy-200); color: var(--navy-700); font-size: 15px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--navy-50); }
.data-table .price-cell { color: var(--gold-700); font-weight: 700; }

/* === Process steps === */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}
.step {
  text-align: center;
  position: relative;
  padding: 16px;
}
.step-num {
  width: 56px;
  height: 56px;
  background: var(--navy-900);
  color: var(--gold-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin: 0 auto 16px;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--navy-200);
}
.step h4 { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--navy-900); margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--navy-600); margin: 0; }

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 12px;
  transition: all 200ms ease;
}
.faq-item:hover { border-color: var(--gold-700); box-shadow: var(--shadow-sm); }
.faq-item h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item h3::after { content: '+'; color: var(--gold-700); font-size: 24px; font-weight: 400; }
.faq-item p { font-size: 15px; color: var(--navy-600); margin: 0; line-height: 1.6; }

/* === Testimonial === */
.testimonial-strip {
  background: var(--navy-50);
  padding: 80px 0;
}
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border-left: 3px solid var(--gold-700);
  box-shadow: var(--shadow-sm);
}
.testimonial-card .quote {
  font-size: 15px;
  color: var(--navy-700);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-card .author { display: flex; align-items: center; gap: 12px; }
.testimonial-card .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  color: var(--gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
}
.testimonial-card .author-info h5 { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--navy-900); margin: 0; }
.testimonial-card .author-info span { font-size: 13px; color: var(--navy-500); }

/* === CTA section === */
.cta-section {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  margin: 80px auto;
  max-width: 1000px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,135,73,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section h2 { color: var(--white); position: relative; z-index: 1; }
.cta-section p { color: var(--navy-200); font-size: 18px; margin-bottom: 32px; position: relative; z-index: 1; }
.cta-section .hero-ctas { justify-content: center; position: relative; z-index: 1; }

/* === Trust badges / logo strip === */
.trust-strip {
  background: var(--white);
  padding: 48px 0;
  border-top: 1px solid var(--navy-200);
  border-bottom: 1px solid var(--navy-200);
}
.trust-label { text-align: center; font-size: 12px; color: var(--navy-500); font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 24px; }
.trust-logos { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 32px; align-items: center; }
.trust-logo { color: var(--navy-500); font-family: var(--font-display); font-weight: 600; font-size: 18px; opacity: 0.7; transition: opacity 200ms ease; }
.trust-logo:hover { opacity: 1; color: var(--navy-900); }

/* === SEO meta box === */
.seo-meta {
  background: var(--gold-200);
  border-left: 4px solid var(--gold-700);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 32px auto;
  font-size: 13px;
  color: var(--navy-700);
  max-width: 1100px;
}
.seo-meta strong { color: var(--navy-900); }
.seo-meta code { background: var(--white); padding: 2px 8px; border-radius: 4px; font-size: 12px; }

/* === Breadcrumb === */
.breadcrumb {
  font-size: 13px;
  color: var(--navy-500);
  padding: 20px 0;
  border-bottom: 1px solid var(--navy-200);
  margin-bottom: 40px;
}
.breadcrumb a { color: var(--navy-500); text-decoration: none; }
.breadcrumb a:hover { color: var(--gold-700); }
.breadcrumb .sep { margin: 0 8px; color: var(--navy-200); }

/* === TOC === */
.toc {
  background: var(--navy-50);
  border-left: 4px solid var(--navy-900);
  padding: 24px 28px;
  border-radius: var(--radius-md);
  margin: 32px 0;
}
.toc-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--navy-900); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.toc ol { list-style: none; counter-reset: toc; margin: 0; padding: 0; }
.toc li { counter-increment: toc; padding: 6px 0; border-bottom: 1px dashed var(--navy-200); }
.toc li:last-child { border-bottom: none; }
.toc li::before { content: counter(toc, decimal-leading-zero) "."; color: var(--gold-700); font-weight: 700; margin-right: 12px; font-family: var(--font-display); }
.toc a { color: var(--navy-700); text-decoration: none; font-size: 15px; }
.toc a:hover { color: var(--gold-700); }

/* === Footer === */
footer.site-footer {
  background: var(--navy-900);
  color: var(--navy-200);
  padding: 64px 0 24px;
  border-top: 3px solid var(--gold-700);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-col h5 { font-family: var(--font-display); color: var(--white); font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: var(--navy-200); text-decoration: none; font-size: 14px; transition: color 200ms ease; }
.footer-col a:hover { color: var(--gold-500); }
.footer-bottom { border-top: 1px solid var(--navy-700); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--navy-500); }

/* === Highlight box === */
.highlight {
  background: var(--gold-200);
  border-left: 4px solid var(--gold-700);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  font-size: 15px;
  color: var(--navy-900);
}

/* === IMAGE COMPONENTS === */

/* About / Team section with image */
.about-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-section.reverse { direction: rtl; }
.about-section.reverse > * { direction: ltr; }
.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(15,46,80,0.15);
}
.about-image img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 380px; }
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(15,46,80,0.4));
}
.about-image .floating-stat {
  position: absolute;
  bottom: 24px; left: 24px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  z-index: 2;
  border-left: 4px solid var(--gold-700);
}
.about-image .floating-stat strong {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--navy-900);
  display: block;
  line-height: 1;
}
.about-image .floating-stat span { font-size: 12px; color: var(--navy-500); text-transform: uppercase; letter-spacing: 0.05em; }

.about-content h2 { margin-bottom: 24px; }
.about-content .achievements { display: grid; gap: 16px; margin-top: 24px; }
.about-content .achievement { display: flex; gap: 16px; align-items: flex-start; }
.about-content .achievement .check {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--gold-700); color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.about-content .achievement h5 { font-family: var(--font-display); font-size: 16px; color: var(--navy-900); margin-bottom: 4px; }
.about-content .achievement p { font-size: 14px; color: var(--navy-600); margin: 0; }

/* Image gallery (services grid with photos) */
.photo-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 250ms ease;
}
.photo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.photo-card .photo {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.photo-card .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.photo-card:hover .photo img { transform: scale(1.05); }
.photo-card .photo::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15,46,80,0.7));
  z-index: 1;
}
.photo-card .photo .tag {
  position: absolute;
  bottom: 12px; left: 16px;
  z-index: 2;
  color: var(--gold-500);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.photo-card .body { padding: 24px; }
.photo-card h3 { font-size: 18px; margin: 0 0 8px; color: var(--navy-900); }
.photo-card p { font-size: 14px; color: var(--navy-600); margin-bottom: 12px; }
.photo-card .link { color: var(--blue-cta); font-weight: 600; font-size: 14px; text-decoration: none; }

/* Team grid */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  text-align: center;
  background: var(--white);
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--navy-200);
}
.team-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--gold-200);
  margin-bottom: 16px;
}
.team-card h4 { font-family: var(--font-display); font-size: 16px; color: var(--navy-900); margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: var(--gold-700); font-weight: 600; margin-bottom: 8px; }
.team-card .cert { font-size: 12px; color: var(--navy-500); }

/* Service icon SVG circles (replace emoji) */
.icon-circle {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--gold-500);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(15,46,80,0.15);
}
.icon-circle svg { width: 28px; height: 28px; stroke: var(--gold-500); fill: none; stroke-width: 1.5; }

/* === REGISTRATION FORM === */
.reg-form-section {
  background:
    linear-gradient(135deg, rgba(15,46,80,0.94) 0%, rgba(29,74,118,0.92) 100%),
    url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?w=1600&q=80&auto=format&fit=crop') center/cover fixed;
  color: var(--white);
  padding: 80px 0;
}
.reg-form-section .container { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.reg-form-info h2 { color: var(--white); margin-bottom: 16px; }
.reg-form-info p { color: var(--navy-200); font-size: 17px; line-height: 1.7; margin-bottom: 24px; }
.reg-form-info .info-list { list-style: none; padding: 0; margin: 0; }
.reg-form-info .info-list li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 16px;
  color: var(--navy-200);
}
.reg-form-info .info-list li:last-child { border: none; }
.reg-form-info .info-list .icon {
  width: 40px; height: 40px;
  background: var(--gold-700);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}
.reg-form-info .info-list strong { color: var(--white); display: block; font-size: 14px; }
.reg-form-info .info-list span { font-size: 13px; }

.reg-form {
  background: var(--white);
  color: var(--navy-900);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  border-top: 4px solid var(--gold-700);
}
.reg-form .form-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.reg-form .form-subtitle { font-size: 14px; color: var(--navy-600); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-700);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--red-urgent); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--navy-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--navy-900);
  background: var(--white);
  transition: all 180ms ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--gold-700);
  box-shadow: 0 0 0 3px rgba(0,135,73,0.15);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-submit {
  width: 100%;
  background: var(--gold-700);
  color: var(--white);
  border: none;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 180ms ease;
  margin-top: 12px;
  box-shadow: 0 8px 20px rgba(0,135,73,0.3);
}
.form-submit:hover { background: var(--gold-600); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,135,73,0.4); }
.form-note { font-size: 12px; color: var(--navy-500); margin-top: 12px; text-align: center; }
.form-note .lock { color: var(--gold-700); }

/* === WEBINAR COMPONENTS === */

/* Webinar card */
.webinar-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 250ms ease;
  border: 1px solid var(--navy-200);
}
.webinar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--gold-700); }
.webinar-card .cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.webinar-card .cover img { width: 100%; height: 100%; object-fit: cover; }
.webinar-card .cover::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,46,80,0.1) 0%, rgba(15,46,80,0.75) 100%);
}
.webinar-card .status-badge {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-display);
}
.webinar-card .status-badge.upcoming { background: var(--gold-700); color: var(--white); }
.webinar-card .status-badge.past { background: rgba(255,255,255,0.95); color: var(--navy-700); }
.webinar-card .status-badge.live { background: var(--red-urgent); color: var(--white); animation: pulse 1.5s ease infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.5); } 50% { box-shadow: 0 0 0 12px rgba(220,38,38,0); } }

.webinar-card .date-overlay {
  position: absolute;
  bottom: 16px; left: 16px;
  z-index: 2;
  color: var(--white);
  font-family: var(--font-display);
}
.webinar-card .date-overlay .day { font-size: 28px; font-weight: 700; line-height: 1; }
.webinar-card .date-overlay .month { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gold-500); }
.webinar-card .body { padding: 24px; }
.webinar-card .category {
  font-size: 11px;
  font-weight: 700;
  color: var(--gold-700);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.webinar-card h3 { font-size: 18px; line-height: 1.4; margin: 0 0 12px; color: var(--navy-900); }
.webinar-card .meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--navy-500);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.webinar-card .meta span { display: inline-flex; align-items: center; gap: 4px; }
.webinar-card .footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--navy-200);
}
.webinar-card .speaker { display: flex; align-items: center; gap: 8px; }
.webinar-card .speaker .speaker-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  color: var(--gold-500);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
}
.webinar-card .speaker .speaker-name { font-size: 12px; color: var(--navy-700); font-weight: 600; }
.webinar-card .cta-link {
  color: var(--blue-cta);
  font-weight: 700;
  text-decoration: none;
  font-size: 13px;
}

/* Countdown timer */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 500px;
  margin: 24px 0;
}
.countdown-box {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(78,204,140,0.3);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: 16px 8px;
  text-align: center;
}
.countdown-box .num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--gold-500);
  line-height: 1;
  display: block;
}
.countdown-box .label {
  font-size: 11px;
  color: var(--navy-200);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
  display: block;
}

/* Featured webinar (hero-style for hub page) */
.featured-webinar {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  margin: 40px 0;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.featured-webinar .content { padding: 48px; }
.featured-webinar .image {
  position: relative;
  min-height: 380px;
  background-position: center;
  background-size: cover;
}
.featured-webinar .image::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,46,80,0.4) 0%, transparent 50%);
}
.featured-webinar .featured-badge {
  background: var(--gold-700); color: var(--white);
  padding: 6px 14px; border-radius: 100px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; display: inline-block;
  margin-bottom: 16px;
}
.featured-webinar h2 { color: var(--white); font-size: 28px; margin-bottom: 16px; }
.featured-webinar .info-line {
  display: flex; gap: 24px; flex-wrap: wrap;
  color: var(--navy-200); font-size: 14px; margin: 20px 0;
}
.featured-webinar .info-line span { display: inline-flex; align-items: center; gap: 6px; }
.featured-webinar .info-line strong { color: var(--gold-500); font-family: var(--font-display); }

/* Agenda */
.agenda { max-width: 800px; margin: 0 auto; }
.agenda-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--navy-200);
}
.agenda-item:last-child { border-bottom: none; }
.agenda-time {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gold-700);
  font-size: 16px;
}
.agenda-content h4 { font-family: var(--font-display); font-size: 17px; color: var(--navy-900); margin-bottom: 6px; }
.agenda-content p { font-size: 14px; color: var(--navy-600); margin: 0; }
.agenda-content .speaker-tag {
  display: inline-block;
  background: var(--navy-50);
  color: var(--navy-700);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  margin-top: 6px;
  font-weight: 600;
}

/* Speaker cards (large) */
.speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.speaker-card-lg {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.speaker-card-lg .photo {
  height: 280px;
  overflow: hidden;
  position: relative;
}
.speaker-card-lg .photo img { width: 100%; height: 100%; object-fit: cover; }
.speaker-card-lg .photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(transparent 60%, rgba(15,46,80,0.6));
}
.speaker-card-lg .body { padding: 24px; }
.speaker-card-lg h4 { font-family: var(--font-display); font-size: 18px; color: var(--navy-900); margin-bottom: 4px; }
.speaker-card-lg .speaker-role { color: var(--gold-700); font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.speaker-card-lg .speaker-bio { font-size: 13px; color: var(--navy-600); }

/* Sticky registration card */
.sticky-cta {
  position: sticky;
  top: 120px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--gold-700);
  padding: 32px;
}
.sticky-cta .free-tag {
  background: var(--gold-200);
  color: var(--gold-700);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 12px;
}
.sticky-cta h3 { font-family: var(--font-display); font-size: 20px; color: var(--navy-900); margin-bottom: 8px; }
.sticky-cta .price-row {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--navy-500);
  margin: 16px 0;
}
.sticky-cta .price-row del { color: var(--red-urgent); margin-right: 6px; }
.sticky-cta .price-row strong { color: var(--green-success); font-size: 22px; font-weight: 700; }
.sticky-cta .benefits { list-style: none; margin: 16px 0; padding: 0; }
.sticky-cta .benefits li {
  padding: 6px 0;
  font-size: 13px;
  color: var(--navy-700);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.sticky-cta .benefits li::before { content: '✓'; color: var(--gold-700); font-weight: 700; }

/* Categories grid */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  background: var(--white);
  border: 2px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  text-decoration: none;
  transition: all 250ms ease;
  display: block;
}
.cat-card:hover { border-color: var(--gold-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cat-card .cat-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--gold-500);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
}
.cat-card h4 { font-family: var(--font-display); color: var(--navy-900); font-size: 16px; margin-bottom: 8px; }
.cat-card p { font-size: 13px; color: var(--navy-500); margin: 0; }
.cat-card .count {
  font-family: var(--font-display);
  color: var(--gold-700);
  font-weight: 700;
  font-size: 13px;
  margin-top: 12px;
  display: block;
}

/* Email signup strip */
.email-signup {
  background: linear-gradient(135deg, var(--gold-700), var(--gold-600));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin: 60px auto;
  max-width: 1000px;
  text-align: center;
}
.email-signup h2 { color: var(--white); font-size: 28px; margin-bottom: 12px; }
.email-signup p { color: rgba(255,255,255,0.9); font-size: 16px; margin-bottom: 24px; }
.email-signup-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}
.email-signup-form input {
  flex: 1;
  padding: 14px 18px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
}
.email-signup-form button {
  background: var(--navy-900);
  color: var(--white);
  border: none;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.email-signup-form button:hover { background: var(--navy-800); }

/* === MOBILE HAMBURGER MENU === */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--white);
  flex-shrink: 0;
}
.mobile-toggle svg { width: 24px; height: 24px; }
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy-900);
  z-index: 1000;
  padding: 80px 24px 24px;
  overflow-y: auto;
}
.mobile-menu-overlay.open { display: block; }
.mobile-menu-overlay ul { list-style: none; padding: 0; margin: 0; }
.mobile-menu-overlay li { border-bottom: 1px solid var(--navy-700); }
.mobile-menu-overlay a {
  display: block;
  color: var(--white);
  text-decoration: none;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 500;
}
.mobile-menu-overlay a:hover { color: var(--gold-500); }
.mobile-menu-overlay .close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: 1px solid var(--navy-700);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 24px;
}
.mobile-menu-overlay .mobile-cta {
  margin-top: 32px;
  padding: 24px;
  background: var(--gold-700);
  border-radius: var(--radius-lg);
  text-align: center;
}
.mobile-menu-overlay .mobile-cta a {
  color: var(--white);
  font-weight: 700;
  font-size: 20px;
  padding: 0;
  border: none;
}

/* === Responsive === */
@media (max-width: 900px) {
  nav { display: none; }
  .mobile-toggle { display: flex; }
  .btn-hotline { padding: 8px 12px; font-size: 12px; }
  .stats-grid, .services-grid, .features-list, .pricing-grid, .testimonials, .steps, .two-col, .footer-grid, .about-section, .team-grid, .reg-form-section .container, .form-row, .speaker-grid, .cat-grid, .featured-webinar, .countdown, .email-signup-form { grid-template-columns: 1fr; }
  .countdown { grid-template-columns: repeat(2, 1fr); }
  .email-signup-form { display: block; }
  .email-signup-form input, .email-signup-form button { width: 100%; margin-bottom: 10px; }
  .about-section.reverse { direction: ltr; }
  .hero { padding: 64px 0 80px; }
  main section { padding: 56px 0; }
}


/* ============================================================
   RESPONSIVE BREAKPOINTS BỔ SUNG
   Thêm các breakpoint 1024px (PC), 768px (Tablet), 480px (Mobile)
   để responsive chuẩn Flatsome trên TOÀN SITE
   ============================================================ */

/* PC Desktop lớn (>= 1024px) - chuẩn 1320px container */
@media (min-width: 1024px) {
  .container { max-width: 1320px; margin-left: auto; margin-right: auto; padding: 0 32px; }
  .row.row-collapse .container, .row .container { max-width: 1320px; }
  .col, .columns { padding-left: 15px; padding-right: 15px; }
  .hero { padding: 80px 0 100px; }
  .hero h1 { font-size: clamp(32px, 4.5vw, 52px); }
  h1 { font-size: clamp(28px, 3.5vw, 44px); }
  h2 { font-size: clamp(26px, 3vw, 38px); }
  h3 { font-size: clamp(20px, 2.2vw, 24px); }
  .section-title { font-size: clamp(28px, 3.5vw, 42px); }
  main section { padding: 80px 0; }
  .cta-section { padding: 64px 48px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 32px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .pricing-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .two-col, .about-section { grid-template-columns: 1fr 1fr; gap: 56px; }
  .team-grid { grid-template-columns: repeat(4, 1fr); }
  .speaker-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
  .features-list { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .header-inner { padding: 0 32px; }
  nav ul { display: flex !important; gap: 28px; }
  .mobile-toggle { display: none !important; }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .container, .row .container { max-width: 100%; padding: 0 24px; }
  .hero { padding: 60px 0 80px; }
  .hero h1 { font-size: clamp(26px, 4vw, 36px); }
  h1 { font-size: clamp(24px, 3.5vw, 34px); }
  h2 { font-size: clamp(22px, 3vw, 30px); }
  .section-title { font-size: clamp(24px, 3vw, 32px); }
  main section { padding: 60px 0; }
  .cta-section { padding: 48px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .two-col, .about-section { grid-template-columns: 1fr; gap: 32px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .speaker-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .features-list { grid-template-columns: 1fr; gap: 20px; }
  .header-inner { padding: 0 24px; flex-wrap: wrap; }
  .featured-webinar, .reg-form-section .container { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .btn-primary, .btn-secondary { padding: 14px 24px; font-size: 14px; }
  .nav-dropdown, .header-nav { font-size: 13px; }
}

/* Mobile lớn (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
  .container, .row .container { max-width: 100%; padding: 0 16px; }
  .hero { padding: 50px 0 70px; }
  .hero h1 { font-size: clamp(22px, 5vw, 30px); }
  h1 { font-size: 24px; }
  h2 { font-size: 22px; }
  .section-title { font-size: 22px; }
  main section { padding: 50px 0; }
  .cta-section { padding: 40px 24px; }
  .services-grid, .footer-grid, .pricing-grid, .two-col, .about-section, .team-grid, .cat-grid, .testimonials, .speaker-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .header-inner { padding: 0 16px; }
  .featured-webinar, .reg-form-section .container { grid-template-columns: 1fr; }
  .btn-primary, .btn-secondary { padding: 14px 20px; font-size: 14px; }
  .countdown { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* Mobile nhỏ (<= 480px) */
@media (max-width: 480px) {
  .container, .row .container { max-width: 100%; padding: 0 12px; }
  .hero { padding: 40px 0 60px; }
  .hero h1 { font-size: 22px; line-height: 1.2; }
  .hero .subtitle, .hero p { font-size: 15px; }
  h1 { font-size: 22px; }
  h2 { font-size: 20px; }
  .section-title { font-size: 20px; }
  .section-header { margin-bottom: 32px; }
  main section { padding: 40px 0; }
  .cta-section { padding: 32px 16px; border-radius: 12px; }
  .services-grid, .footer-grid, .pricing-grid, .two-col, .about-section, .team-grid, .cat-grid, .testimonials, .speaker-grid, .steps { grid-template-columns: 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px 12px; }
  .stat-number { font-size: 28px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-group { margin-bottom: 12px; }
  .form-group input, .form-group select, .form-group textarea { padding: 10px 12px; font-size: 13px; }
  .form-submit { padding: 14px; font-size: 14px; }
  .header-inner { padding: 0 12px; flex-wrap: wrap; gap: 8px; }
  .header-logo { font-size: 18px; }
  .featured-webinar, .reg-form-section .container { grid-template-columns: 1fr; }
  .featured-webinar .content { padding: 24px 20px; }
  .featured-webinar .image { min-height: 180px; }
  .btn-primary, .btn-secondary { padding: 12px 16px; font-size: 13px; width: 100%; justify-content: center; }
  .hero-ctas { flex-direction: column; gap: 10px; }
  .countdown { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .countdown-box { padding: 10px 6px; }
  .countdown-box .num { font-size: 22px; }
  .email-signup { padding: 24px 16px; }
  .email-signup h2 { font-size: 20px; }
  .email-signup-form { display: block; }
  .email-signup-form input, .email-signup-form button { width: 100%; margin-bottom: 8px; }
  .webinar-card .cover, .photo-card .photo, .speaker-card-lg .photo { height: 160px; }
  .sticky-cta { position: static; padding: 20px; }
  .agenda-item { grid-template-columns: 60px 1fr; gap: 12px; padding: 12px 0; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-col { text-align: center; }
  .footer-col ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 12px; }
  .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .breadcrumb { font-size: 11px; padding: 10px 0; }
}

/* Fix overflow ngang toàn site */
html, body { overflow-x: hidden; max-width: 100vw; }
body * { max-width: 100%; }

/* Ẩn .page-header-excerpt (description không mong muốn) */
.page-header-excerpt { display: none !important; }

/* Container centered - luôn căn giữa */
.container, .row .container, .flatsome-v24 .container { width: 100%; margin-left: auto; margin-right: auto; }

/* Word-wrap cho cards */
.service-card, .pricing-card, .webinar-card, .team-card, .testimonial-card, .photo-card, .speaker-card-lg { word-wrap: break-word; overflow-wrap: break-word; }

/* Table responsive */
table.data-table { width: 100%; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Header sticky mobile */
@media (max-width: 1023px) {
  header.site-header, .header-wrapper { position: sticky; top: 0; z-index: 100; }
}