/*
Theme Name: Astra Child HDA Tech
Theme URI: https://hdatech.com.vn/
Description: Astra Child Theme for HDA Tech - Aitech Lookalike
Author: Antigravity AI
Template: astra
Version: 1.0.1
*/

:root {
  --primary-color: #0d2857; /* Dark blue from Aitech */
  --secondary-color: #f15a24; /* Orange accent */
  --text-color: #333333;
  --bg-light: #f9f9f9;
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Roboto', sans-serif;
}

body {
  font-family: var(--font-body);
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Custom Header Styles */
.site-header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo img {
  max-height: 60px;
}

.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}

.main-navigation a {
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.main-navigation a:hover {
  color: var(--secondary-color);
}

.header-search {
  font-size: 18px;
  cursor: pointer;
  color: var(--primary-color);
}

.header-search:hover {
  color: var(--secondary-color);
}

/* Button */
.btn-primary {
  background-color: var(--secondary-color);
  color: #fff;
  padding: 10px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  transition: background 0.3s;
}

.btn-primary:hover {
  background-color: #d14a1a;
  color: #fff;
}

.section-title {
  text-align: center;
  font-size: 32px;
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--secondary-color);
  margin: 15px auto 0;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: url('https://aitech.vn/wp-content/uploads/2019/12/f0feabdd44efbdb1e4fe.jpg') no-resize center/cover;
  padding: 150px 0;
  color: #fff;
  text-align: center;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13, 40, 87, 0.7);
}

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-content h1 {
  color: #fff;
  font-size: 48px;
  margin-bottom: 20px;
}

/* Services */
.services-section {
  padding: 80px 0;
  background: #fff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  text-align: center;
  padding: 30px;
  border: 1px solid #eee;
  border-radius: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  border-color: var(--secondary-color);
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 15px;
}

.service-card i {
  font-size: 40px;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

/* News Section */
.news-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.news-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.news-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-content {
  padding: 20px;
}

.news-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.news-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.news-title a:hover {
  color: var(--secondary-color);
}

.news-meta {
  font-size: 12px;
  color: #888;
  margin-bottom: 10px;
}

/* Footer */
.site-footer {
  background: var(--primary-color);
  color: #fff;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-widget h4 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 18px;
}

.footer-widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-widget ul li {
  margin-bottom: 10px;
}

.footer-widget a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-widget a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #888;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 32px;
  }
  .main-navigation ul {
    flex-direction: column;
    display: none; /* simple mobile menu toggle needed */
  }
}

/* ==========================================
   PREMIUM INNER PAGES STYLE SYSTEM (HDA TECH)
   ========================================== */

/* Layout & Grid Helpers */
.section-padding {
  padding: 80px 0;
}
.alt-bg {
  background-color: #f4f6fc;
}
.row-flex {
  display: flex;
  flex-wrap: wrap;
  margin-left: -15px;
  margin-right: -15px;
}
.gap-lg {
  row-gap: 30px;
}
.col-4, .col-5, .col-6, .col-7, .col-8 {
  position: relative;
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

@media (min-width: 992px) {
  .col-4 { flex: 0 0 33.33333%; max-width: 33.33333%; }
  .col-5 { flex: 0 0 41.66667%; max-width: 41.66667%; }
  .col-6 { flex: 0 0 50%; max-width: 50%; }
  .col-7 { flex: 0 0 58.33333%; max-width: 58.33333%; }
  .col-8 { flex: 0 0 66.66667%; max-width: 66.66667%; }
}

@media (max-width: 991px) {
  .col-4, .col-5, .col-6, .col-7, .col-8 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .intro-image-col {
    margin-top: 40px;
  }
  .why-stats-col {
    margin-top: 40px;
  }
}

/* Inner Page Hero Banner */
.inner-hero-banner {
  background: linear-gradient(135deg, #0d2857 0%, #1e4b8a 100%);
  padding: 60px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.inner-hero-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(241,90,36,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.inner-hero-banner .hero-content {
  position: relative;
  z-index: 2;
}
.inner-hero-banner .breadcrumbs {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.7);
}
.inner-hero-banner .breadcrumbs a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.3s;
}
.inner-hero-banner .breadcrumbs a:hover {
  color: var(--secondary-color);
}
.inner-hero-banner .breadcrumbs .sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.4);
}
.inner-hero-banner .breadcrumbs .current {
  color: var(--secondary-color);
  font-weight: 600;
}
.inner-hero-banner .page-title {
  font-size: 28px;
  color: #fff;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.title-line {
  width: 60px;
  height: 4px;
  background-color: var(--secondary-color);
  margin-top: 15px;
}
.title-line.center {
  margin: 15px auto 0 auto;
}

/* General Headings */
.sub-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--secondary-color);
  display: block;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 25px;
  color: var(--primary-color);
  font-weight: 700;
}
.lead-text {
  font-size: 18px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* About Page Specifics */
.image-wrapper-decorated {
  position: relative;
  background: url('/wp-content/themes/astra-child-hdatech/assets/images/background.jpg') no-repeat center center;
  background-size: cover;
  min-height: 400px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}
.experience-badge {
  position: absolute;
  bottom: 30px;
  left: -20px;
  background: var(--secondary-color);
  color: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(241,90,36,0.3);
  text-align: center;
  z-index: 3;
}
.experience-badge .number {
  font-size: 36px;
  font-weight: 800;
  display: block;
  line-height: 1;
}
.experience-badge .text {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-top: 5px;
  display: block;
}
.decorative-box-1 {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 100px;
  height: 100px;
  border-top: 4px solid var(--secondary-color);
  border-right: 4px solid var(--secondary-color);
  z-index: -1;
}
.decorative-box-2 {
  position: absolute;
  bottom: -15px;
  right: -15px;
  width: 150px;
  height: 150px;
  background: repeating-linear-gradient(45deg, rgba(13,40,87,0.05), rgba(13,40,87,0.05) 2px, transparent 2px, transparent 10px);
  z-index: -1;
}

/* Glassmorphic Cards (Vision & Mission) */
.glass-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 12px;
  height: 100%;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: left;
}
.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}
.card-header-flex {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.card-index {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  background: var(--secondary-color);
  width: 45px;
  height: 45px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-right: 20px;
  box-shadow: 0 4px 10px rgba(241,90,36,0.3);
}
.glass-card h3 {
  font-size: 24px;
  margin-bottom: 0;
  color: var(--primary-color);
}
.glass-card p {
  margin: 0;
  color: #666;
  line-height: 1.7;
}

/* Core Values Grid */
.grid-4-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  margin-top: 50px;
}
.value-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid #f0f4f8;
  box-shadow: 0 5px 20px rgba(0,0,0,0.02);
  text-align: left;
  transition: all 0.3s ease;
}
.value-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.06);
  border-color: #e2e8f0;
}
.value-index {
  position: absolute;
  top: -15px;
  right: -15px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(13, 40, 87, 0.03);
  line-height: 1;
  z-index: 0;
  transition: all 0.3s ease;
}
.value-card:hover .value-index {
  color: rgba(241, 90, 36, 0.05);
  transform: scale(1.05);
}
.value-card h4 {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 15px;
  color: var(--primary-color);
}
.value-card p {
  position: relative;
  z-index: 1;
  font-size: 15px;
  color: #666;
  line-height: 1.7;
  margin: 0;
}

/* Styled List */
.styled-list {
  list-style: none;
  padding: 0;
  margin: 25px 0 0 0;
}
.styled-list li {
  display: flex;
  margin-bottom: 20px;
  align-items: flex-start;
}
.list-indicator {
  background-color: transparent;
  border: 2px solid var(--secondary-color);
  width: 12px;
  height: 12px;
  min-width: 12px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 15px;
  margin-top: 6px;
}
.styled-list li div {
  color: #555;
  line-height: 1.6;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.stat-box {
  background: #fff;
  padding: 40px 20px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.03);
  text-align: center;
}
.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1;
}
.stat-text {
  font-size: 14px;
  color: #666;
  font-weight: 600;
  text-transform: uppercase;
}

/* Contact Page Specifics */
.contact-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid #f0f4f8;
  box-shadow: 0 5px 20px rgba(0,0,0,0.02);
  text-align: left;
  transition: all 0.3s ease;
}
.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.06);
}
.contact-index {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 50px;
  font-weight: 900;
  color: rgba(13,40,87,0.03);
  margin: 0;
  line-height: 1;
  transition: all 0.3s ease;
}
.contact-card:hover .contact-index {
  color: rgba(241,90,36,0.05);
}
.contact-card h4 {
  position: relative;
  z-index: 1;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--primary-color);
}
.contact-card p {
  position: relative;
  z-index: 1;
  font-size: 15px;
  color: #555;
  line-height: 1.6;
  margin: 0 0 8px 0;
}
.contact-card .sub-text {
  font-size: 12px;
  color: #999;
}
.contact-card .tel-text a {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
}

/* Map & Form Styling */
.map-wrapper {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  line-height: 0;
}
.contact-form-card {
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.05);
}
.form-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}
.form-desc {
  font-size: 14px;
  color: #777;
  margin-bottom: 30px;
  line-height: 1.6;
}

/* Fallback contact form custom styles */
.fallback-contact-form .form-group {
  margin-bottom: 20px;
}
.fallback-contact-form .form-control {
  width: 100%;
  padding: 12px 18px;
  border: 1px solid #e1e1e1;
  border-radius: 6px;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.3s;
}
.fallback-contact-form .form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}
.fallback-contact-form .submit-btn {
  background-color: var(--secondary-color);
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background-color 0.3s, transform 0.2s;
}
.fallback-contact-form .submit-btn:hover {
  background-color: #d84a16;
  transform: translateY(-2px);
}

/* WPForms premium integration styling */
.wpforms-container {
  margin: 0 !important;
}
.wpforms-form .wpforms-field {
  padding: 0 0 15px 0 !important;
}
.wpforms-form input[type=text],
.wpforms-form input[type=email],
.wpforms-form input[type=tel],
.wpforms-form textarea {
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 6px !important;
  padding: 12px 18px !important;
  font-size: 14px !important;
  font-family: inherit !important;
  transition: all 0.3s !important;
  box-shadow: none !important;
}
.wpforms-form input:focus,
.wpforms-form textarea:focus {
  border-color: var(--primary-color) !important;
  background: #fff !important;
}
.wpforms-form button[type=submit] {
  background-color: var(--secondary-color) !important;
  border: none !important;
  color: #fff !important;
  font-weight: 700 !important;
  padding: 14px 30px !important;
  border-radius: 6px !important;
  font-size: 14px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  transition: all 0.3s !important;
  cursor: pointer !important;
  box-shadow: 0 5px 15px rgba(241,90,36,0.2) !important;
}
.wpforms-form button[type=submit]:hover {
  background-color: #d84a16 !important;
  box-shadow: 0 5px 15px rgba(241,90,36,0.3) !important;
}

/* Service Detail Page Specifics */
.section-subheading {
  font-size: 20px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 20px;
  position: relative;
  padding-left: 15px;
}
.section-subheading::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: 20px;
  background-color: var(--secondary-color);
}
.mt-lg {
  margin-top: 45px;
}
.features-list-wrapper {
  margin: 25px 0;
}
.feature-item-box {
  display: flex;
  background: #fff;
  padding: 20px 25px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
  margin-bottom: 15px;
  border-left: 3px solid #e1e7f5;
  transition: all 0.3s;
}
.feature-item-box:hover {
  border-left-color: var(--secondary-color);
  box-shadow: 0 8px 25px rgba(0,0,0,0.05);
  transform: translateX(5px);
}
.feature-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--secondary-color);
  margin-right: 20px;
  line-height: 1;
}
.feature-content-text {
  color: #555;
  line-height: 1.6;
}

/* Service Benefits List */
.service-benefits-list {
  margin-top: 15px;
}

/* Vertical Timeline */
.timeline-wrapper {
  position: relative;
  padding-left: 30px;
  margin-top: 30px;
}
.timeline-wrapper::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: #e2e8f0;
}
.timeline-step {
  position: relative;
  margin-bottom: 30px;
}
.timeline-step:last-child {
  margin-bottom: 0;
}
.step-badge {
  position: absolute;
  left: -30px;
  top: 3px;
  background: var(--primary-color);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 0 0 4px #fff;
}
.timeline-step:hover .step-badge {
  background: var(--secondary-color);
}
.step-content h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 5px;
}
.step-content p {
  color: #666;
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

/* Sidebar Wrapper */
.sidebar-wrapper {
  padding-left: 20px;
}
@media (max-width: 991px) {
  .sidebar-wrapper {
    padding-left: 0;
    margin-top: 50px;
  }
}
.sidebar-widget {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  margin-bottom: 30px;
}
.sidebar-widget .widget-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
}

/* Vertical navigation list */
.vertical-nav-links {
  list-style: none;
  padding: 0;
  margin: 15px 0 0 0;
}
.vertical-nav-links li {
  margin-bottom: 10px;
}
.vertical-nav-links li:last-child {
  margin-bottom: 0;
}
.vertical-nav-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: #f8fafc;
  color: #444;
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s;
}
.vertical-nav-links li.active a,
.vertical-nav-links a:hover {
  background: #eef3ff;
  color: var(--primary-color);
  border-left-color: var(--secondary-color);
}
.vertical-nav-links .link-arrow {
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.3s;
}
.vertical-nav-links li.active .link-arrow,
.vertical-nav-links a:hover .link-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--secondary-color);
}

/* CTA Widget Sidebar */
.widget_cta_block {
  background: linear-gradient(135deg, #0d2857 0%, #173f7c 100%) !important;
  color: #fff;
}
.widget_cta_block h4 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 15px;
}
.widget_cta_block p {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 25px;
}
.cta-phone {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  padding: 15px 20px;
  border-radius: 8px;
  margin-bottom: 25px;
}
.cta-phone .phone-icon {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-right: 15px;
  color: rgba(255,255,255,0.7);
}
.cta-phone a {
  font-size: 22px;
  font-weight: 800;
  color: var(--secondary-color);
  text-decoration: none;
}
.widget_cta_block .cta-btn {
  display: block;
  text-align: center;
  background-color: var(--secondary-color);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 6px;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: background-color 0.3s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(241,90,36,0.3);
}
.widget_cta_block .cta-btn:hover {
  background-color: #d84a16;
  transform: translateY(-2px);
}

/* =========================================
   SINGLE ARTICLE / NEWS PREMIUM LAYOUT
   ========================================= */

/* Hero Banner */
.article-hero {
  position: relative;
  width: 100%;
  height: 60vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
}

.article-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.15); /* Light overlay for contrast */
}

.article-hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-title-box {
  background: #cc2b36; /* Distinctive red matching the reference */
  padding: 40px;
  width: 450px;
  max-width: 100%;
  border-radius: 8px;
  color: #fff;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.hero-title-box .hero-category {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: block;
  color: rgba(255,255,255,0.8);
}

.hero-title-box .hero-title {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-title-box .hero-excerpt p {
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  color: rgba(255,255,255,0.9);
}

/* Main Content Typography */
.container-small {
  max-width: 800px;
  margin: 0 auto;
}

.entry-content {
  font-size: 18px;
  line-height: 1.8;
  color: #333;
}

.entry-content h2, .entry-content h3 {
  color: #111;
  margin-top: 40px;
  margin-bottom: 20px;
}

/* Offset Image Helper Classes (For use inside WP Editor) */
.image-offset-right {
  position: relative;
  margin: 60px 0 60px 40px;
  display: inline-block;
}
.image-offset-right::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  bottom: 20px;
  left: 20px;
  background: #fcd555; /* Yellow offset */
  z-index: -1;
  border-radius: 8px;
}

.image-offset-left {
  position: relative;
  margin: 60px 40px 60px 0;
  display: inline-block;
}
.image-offset-left::before {
  content: '';
  position: absolute;
  top: 20px;
  left: -20px;
  bottom: -20px;
  right: 20px;
  background: #62a5cf; /* Blue offset */
  z-index: -1;
  border-radius: 8px;
}

/* Featured Solutions Grid */
.featured-header h2 {
  font-size: 32px;
  margin-bottom: 50px;
  color: #333;
}
.featured-header strong {
  color: #cc2b36;
}

.grid-3-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.solution-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-5px);
}

.solution-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.solution-content {
  padding: 25px;
}

.solution-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
  color: #222;
}

.solution-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
}

.learn-more-btn {
  font-size: 12px;
  font-weight: 800;
  color: #111;
  text-decoration: none;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  transition: color 0.3s;
}

.learn-more-btn .arrow {
  color: #cc2b36;
  margin-left: 5px;
  font-size: 14px;
  transition: transform 0.3s;
}

.learn-more-btn:hover {
  color: #cc2b36;
}

.learn-more-btn:hover .arrow {
  transform: translateX(5px);
}

/* Ẩn các số đếm đầu dòng theo yêu cầu của khách hàng */
.card-index,
.value-index,
.contact-index,
.feature-number {
    display: none !important;
}



/* Reading Content Styling (for Pages and Single Posts) */
.reading-content h2 {
    font-size: 28px;
    color: #1a365d;
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.4;
}
.reading-content p {
    font-size: 17px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 20px;
}
.reading-content ul {
    margin-bottom: 25px;
    padding-left: 20px;
}
.reading-content ul li {
    font-size: 17px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 10px;
    position: relative;
}
.reading-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 25px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}