/* ==========================================================================
   AVINA solutions layout-modern.css
   ========================================================================== */

/* ==========================================================================
   DESIGN SYSTEM & MASTER STYLESHEET: AVINA SOLUTIONS REDESIGN
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --color-primary: #004A99;
  /* Avina Deep Blue */
  --color-primary-light: #1A75E5;
  --color-primary-dark: #003366;
  --color-primary-rgb: 0, 74, 153;

  --color-accent: #F4A000;
  /* Avina Golden Orange */
  --color-accent-light: #FFB82B;
  --color-accent-dark: #C68200;
  --color-accent-rgb: 244, 160, 0;

  --color-dark: #091524;
  /* Sleek Dark Blue for background */
  --color-dark-surface: #112239;
  --color-dark-border: rgba(255, 255, 255, 0.08);

  --color-text-main: #0F172A;
  /* Slate 900 */
  --color-text-sub: #475569;
  /* Slate 600 */
  --color-text-muted: #94A3B8;
  /* Slate 400 */

  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F8FAFC;
  /* Ice Gray */
  --color-bg-tertiary: #F1F5F9;
  --color-border: #E2E8F0;
  /* Slate 200 */

  --color-success: #10B981;
  /* Emerald 500 */
  --color-success-bg: #ECFDF5;
  --color-error: #EF4444;
  --color-error-bg: #FEF2F2;

  /* ── Alias shortcuts (dùng cho subpages) ── */
  --color-bg: #FFFFFF;
  /* = color-bg-primary */
  --color-bg-alt: #F8FAFC;
  /* = color-bg-secondary */
  --color-text: #0F172A;
  /* = color-text-main */


  /* Typography */
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing Grid (8px base) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-xxl: 80px;
  --space-huge: 120px;

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows (Layered & Soft) */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px -2px rgba(0, 74, 153, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0, 74, 153, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(0, 74, 153, 0.15);
  --shadow-glow-orange: 0 0 35px rgba(244, 160, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* @property definition for rotating border gradients */
@property --border-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

@keyframes border-spin {
  to {
    --border-angle: 360deg;
  }
}

/* ANTIGRAVITY FULLSCREEN BACKGROUND CANVAS */
#antigravity-wave-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  /* Đặt dưới tất cả phần tử */
  pointer-events: none;
  /* Không cản trở click chuột */
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.6;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.home-modern-container {
  width: 100%;
  max-width: 100%;
  overflow: visible;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
  position: relative;
  z-index: 1;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.75rem;
}

p {
  color: var(--color-text-sub);
  position: relative;
  z-index: 1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* UTILITIES & CONTAINER */
.container {
  width: 100%;
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.header .container {
  max-width: 100% !important;
  padding: 0 4% !important;
}

.section-padding {
  padding: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: var(--space-xl) 0;
  }
}

.text-center {
  text-align: center;
}

.section-header {
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.section-header.text-center {
  align-items: center;
}

.section-header:not(.text-center) {
  align-items: flex-start;
}

.section-title {
  margin-top: 0;
}

.section-header p {
  color: var(--color-text-sub);
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.4;
  margin-top: calc(-1 * var(--space-xs) + 4px);
  opacity: 0.85;
}

/* Gradient Texts */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a8a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-mixed {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-primary .char,
.text-gradient-accent .char,
.text-gradient-mixed .char {
  background: inherit;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary-light {
  background-color: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(var(--color-primary-rgb), 0.15);
}

.badge-accent-light {
  background-color: rgba(var(--color-accent-rgb), 0.1);
  color: var(--color-accent-dark);
  border: 1px solid rgba(var(--color-accent-rgb), 0.2);
}

/* Background Glow Effects */
.bg-glow {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(100px);
  z-index: 0;
  pointer-events: none;
}

.glow-blue {
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.3) 0%, rgba(26, 117, 229, 0.05) 70%);
}

.glow-orange {
  background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.2) 0%, rgba(244, 160, 0, 0.02) 70%);
}

/* Glassmorphism utility */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* BUTTON SYSTEM */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 28px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e09300 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-orange);
  border: none !important;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 25px rgba(244, 160, 0, 0.35);
  border: none !important;
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
  border: none !important;
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background-color: var(--color-primary-light);
  box-shadow: 0 10px 25px rgba(var(--color-primary-rgb), 0.25);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  transform: translateY(-2px);
  background-color: var(--color-bg-secondary);
}

.btn-ghost {
  color: var(--color-text-main);
}

.btn-ghost:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

/* HEADER & NAVIGATION */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.header.scrolled,
.header.header-modern-child {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(0, 74, 153, 0.08);
  box-shadow: var(--shadow-sm);
}

.navbar-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header.scrolled .navbar-wrapper {
  height: 70px;
}

.logo-img {
  height: 42px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu .mobile-actions {
  display: none;
}

.mobile-menu-header {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-text-sub);
  font-size: 1.05rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.04);
}

.nav-link.active {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.08);
  font-weight: 700;
}

.nav-highlight {
  color: var(--color-primary);
  font-weight: 600;
}


.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Reinforce modern button styles in the header to prevent overrides by old CSS */
.nav-actions .btn,
.nav-menu .mobile-actions .btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-family: var(--font-body) !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  text-decoration: none !important;
  width: auto !important;
  height: auto !important;
  box-sizing: border-box !important;
  transition: all var(--transition-fast) !important;
}

.nav-actions .btn:hover,
.nav-menu .mobile-actions .btn:hover {
  text-decoration: none !important;
}

.nav-actions .btn:focus,
.nav-menu .mobile-actions .btn:focus {
  outline: none !important;
  text-decoration: none !important;
}

.nav-actions .btn-sm,
.nav-menu .mobile-actions .btn-sm {
  padding: 10px 20px !important;
  font-size: 0.9rem !important;
  border-radius: var(--radius-sm) !important;
}

.nav-actions .btn-primary,
.nav-menu .mobile-actions .btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e09300 100%) !important;
  color: #FFFFFF !important;
  box-shadow: var(--shadow-glow-orange) !important;
  border: none !important;
}

.nav-actions .btn-primary:hover,
.nav-menu .mobile-actions .btn-primary:hover {
  transform: translateY(-2px) scale(1.02) !important;
  box-shadow: 0 10px 25px rgba(244, 160, 0, 0.35) !important;
  border: none !important;
  color: #FFFFFF !important;
}

.nav-actions .btn-primary:active,
.nav-menu .mobile-actions .btn-primary:active {
  transform: translateY(0) scale(0.99) !important;
  box-shadow: var(--shadow-glow-orange) !important;
}

/* Desktop Ghost Button (Plain Text style) */
.nav-actions .btn-ghost {
  color: var(--color-text-main) !important;
  background-color: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.nav-actions .btn-ghost:hover {
  background-color: rgba(var(--color-primary-rgb), 0.04) !important;
  color: var(--color-primary) !important;
  border: none !important;
  box-shadow: none !important;
}

.nav-actions .btn-ghost:active {
  transform: translateY(0) !important;
  background-color: rgba(var(--color-primary-rgb), 0.08) !important;
  box-shadow: none !important;
}

/* Mobile Actions Ghost Button (Outline style) */
.nav-menu .mobile-actions .btn-ghost {
  color: var(--color-text-main) !important;
  background-color: transparent !important;
  border: 1px solid var(--color-border) !important;
  box-shadow: var(--shadow-sm) !important;
}

.nav-menu .mobile-actions .btn-ghost:hover {
  background-color: var(--color-bg-secondary) !important;
  color: var(--color-primary) !important;
  border-color: var(--color-border) !important;
}

.nav-menu .mobile-actions .btn-ghost:active {
  transform: translateY(0) !important;
  box-shadow: var(--shadow-sm) !important;
}

/* Mobile responsive menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1010;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

@media (max-width: 1200px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 16px 24px 16px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    transition: right var(--transition-slow);
    z-index: 1005;
    gap: 4px;
    box-sizing: border-box;
  }

  .nav-menu.open {
    right: 0;
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 0 0 20px 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 16px;
  }

  .nav-menu li {
    width: 100%;
    list-style: none;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text-main);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    box-sizing: border-box;
  }

  .nav-link:hover,
  .nav-link.active {
    background-color: rgba(var(--color-primary-rgb), 0.05);
    color: var(--color-primary);
  }

  .nav-actions {
    display: none;
  }

  .nav-menu .mobile-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 24px;
    padding: 20px 0 0 0;
    border-top: 1px solid var(--color-border);
    box-sizing: border-box;
  }

  .nav-menu .mobile-actions .btn {
    width: 100% !important;
    display: flex !important;
    justify-content: center;
    align-items: center;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    box-sizing: border-box;
  }

  .nav-menu .mobile-actions .btn-ghost {
    border: 1px solid var(--color-border);
    background-color: transparent;
    color: var(--color-text-main);
  }

  .nav-menu .mobile-actions .btn-ghost:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
  }

  .nav-menu .mobile-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #e09300 100%);
    color: #FFFFFF;
    border: none !important;
    box-shadow: 0 4px 12px rgba(244, 160, 0, 0.2);
  }

  .mobile-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .mobile-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ============================================================
   FOOTER — px-based sizes để tránh bị ảnh hưởng bởi app.css
   (app.css set html { font-size: 62.5% } làm 1rem = 10px ở subpages)
   ============================================================ */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  /* var(--space-xl) var(--space-lg) */
  font-family: var(--font-body) !important;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px;
  /* var(--space-lg) */
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  /* var(--space-xs) */
}

.footer-brand-logo {
  height: 38px;
  width: auto;
  align-self: flex-start;
}

.footer-social-links {
  display: flex;
  gap: 6px;
}

.footer-social-btn {
  font-size: 13px;
  /* 0.8rem @ 16px base */
  background-color: var(--color-border);
  padding: 6px 12px;
  border-radius: 8px;
  /* var(--radius-sm) */
  color: var(--color-text-sub);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s, color 0.2s;
}

.footer-social-btn:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.bct-badge {
  margin-top: 10px;
}

.footer-col h4 {
  font-size: 13px;
  /* 0.85rem @ 16px base */
  font-weight: 700 !important;
  font-family: var(--font-heading) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0;
  margin-top: 0;
  padding-bottom: 24px;
  /* var(--space-md) */
  color: var(--color-text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  /* var(--space-xs) */
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 14px;
  /* slightly larger than 0.85rem for readability */
  font-family: var(--font-body) !important;
  font-weight: 400 !important;
  color: var(--color-text-sub);
  line-height: 1.5;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-newsletter-wrap p {
  font-size: 13px;
  /* 0.8rem @ 16px base */
  font-family: var(--font-body) !important;
  color: var(--color-text-sub);
  margin: 0;
  padding: 0;
}

.newsletter-form {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-top: 12px;
  max-width: 400px;
}

.newsletter-input {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  /* var(--radius-sm) */
  padding: 10px 14px;
  font-size: 14px;
  /* 0.85rem @ 16px */
  font-family: var(--font-body) !important;
  flex-grow: 1;
  min-width: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.newsletter-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(26, 117, 229, 0.1);
  outline: none;
}

.newsletter-btn {
  background-color: var(--color-accent);
  color: #fff !important;
  font-weight: 700 !important;
  font-family: var(--font-body) !important;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 8px;
  /* var(--radius-sm) */
  white-space: nowrap;
  flex-shrink: 0;
  border: none;
  transition: background-color 0.2s, transform 0.2s;
}

.newsletter-btn:hover {
  background-color: var(--color-accent-light);
}

.newsletter-btn:active {
  transform: scale(0.98);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  /* var(--space-md) */
  margin-top: 48px;
  /* var(--space-xl) */
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  /* 0.8rem @ 16px */
  font-family: var(--font-body) !important;
  color: var(--color-text-muted);
}

.footer-bottom p {
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom a {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}


/* VIDEO MODAL */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.video-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.video-modal-content {
  width: 90%;
  max-width: 800px;
  aspect-ratio: 16/9;
  position: relative;
}

.video-modal-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 2rem;
}

/* TOAST */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-dark);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-success);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 10000;
}

.toast-notification.active {
  transform: translateY(0);
  opacity: 1;
}

/* REVEALS */
.reveal {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
}

.slide-up {
  transform: translateY(40px);
}

.slide-up.active {
  transform: translateY(0);
}

.slide-right {
  transform: translateX(-40px);
}

.slide-right.active {
  transform: translateX(0);
}

.slide-left {
  transform: translateX(40px);
}

.slide-left.active {
  transform: translateX(0);
}

.delay-200 {
  transition-delay: 0.2s;
}

/* SCROLLYTELLING ANTIGRAVITY STYLES */
.scrolly-header {
  overflow: hidden;
  /* To mask characters sliding up */
}

.scrolly-header .word {
  display: inline-block;
  white-space: nowrap;
}

.scrolly-header .char {
  transform: translateY(100px);
  opacity: 0;
  will-change: transform, opacity;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
}

.scrolly-header.is-in-view .char {
  transform: translateY(0);
  opacity: 1;
}

/* For Bento Horizontal Scroll */
.bento-grid {
  /* We'll handle horizontal scroll via GSAP, so we need to ensure it's a flex/grid that can scroll */
  will-change: transform;
}

/* Optimization for mobile */
.hero-showcase,
.bento-card,
.reveal {
  will-change: transform, opacity;
}

/* ==========================================================================
   PAGE TRANSITIONS & UI UPGRADES (ADDED FOR SPA FEEL)
   ========================================================================== */

/* Page Transition Overlay */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--color-bg-primary, #FFFFFF);
  z-index: 99999;
  pointer-events: none;
  opacity: 1;
  /* Start fully opaque to hide raw HTML */
  transition: opacity 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}

.page-transition-overlay.is-loaded {
  opacity: 0;
}

.page-transition-overlay.is-exiting {
  opacity: 1;
  pointer-events: all;
  background-color: var(--color-bg-primary, #FFFFFF);
}

/* HOT Badge Upgrade */
.nav-badge {
  background: linear-gradient(135deg, #FF3B30, #FF9500) !important;
  color: white !important;
  font-weight: 800 !important;
  padding: 3px 8px !important;
  border-radius: 12px !important;
  box-shadow: 0 2px 6px rgba(255, 59, 48, 0.3) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.4) !important;
  letter-spacing: 0.5px;
}


@media (max-width: 1200px) {

  /* Header & Navigation */
  .nav-actions {
    display: flex !important;
    gap: 12px;
    margin-left: auto;
    margin-right: 20px;
  }

  #btn-header-demo,
  #btn-header-try {
    display: none !important;
  }

  .navbar-wrapper {
    justify-content: space-between;
  }

  .nav-menu {
    overflow-y: auto;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease, padding 0.3s ease;
    min-width: unset;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    width: 100%;
  }

  .nav-dropdown.open {
    height: auto;
    padding: 5px 0 10px 15px;
  }

  .nav-dropdown-item a {
    display: block;
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-sub);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }

  .nav-dropdown-item a:hover {
    background-color: rgba(var(--color-primary-rgb), 0.03);
    color: var(--color-primary);
  }

  .nav-link.submenu-open span {
    display: inline-block;
    transform: rotate(180deg);
    transition: transform 0.2s ease;
  }

}

@media (max-width: 991px) {

  /* General Typography */
  h1 {
    font-size: 2.8rem;
  }

  h2 {
    font-size: 2.0rem;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    /* var(--space-md) */
  }

  .footer-brand {
    grid-column: span 2;
    margin-bottom: 24px;
    /* var(--space-md) */
  }

}

@media (max-width: 576px) {

  /* Header adjustments */
  .logo-img {
    height: 36px;
  }

  .navbar-wrapper {
    height: 70px;
  }

  .nav-menu {
    width: 100%;
    right: -100%;
  }

  /* Footer adjustments */
  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
  }

  .footer-bottom p {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

}

/* Breakpoint for Desktop screens between 1201px and 1440px to prevent header items from overflowing */
@media (max-width: 1440px) and (min-width: 1201px) {
  .nav-menu {
    gap: 16px;
  }

  .nav-link {
    font-size: 0.95rem;
    padding: 6px 8px;
  }

  .nav-actions {
    gap: 16px;
  }

  .btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   BACK TO TOP BUTTON STYLING OVERRIDES (GLOBAL)
   ========================================================================== */
.back-to-top {
  position: fixed !important;
  bottom: 24px !important;
  right: 80px !important;
  z-index: 999 !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  background: var(--color-primary) !important;
  border: none !important;
  box-shadow: var(--shadow-md) !important;
  padding: 0 !important;
  margin: 0 !important;
  /* resets margin-top: -0.5em from old css */
  cursor: pointer;
  align-items: center !important;
  justify-content: center !important;
}

.back-to-top .btn-scroll-top {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  height: 100% !important;
  color: #FFFFFF !important;
  text-decoration: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.back-to-top .btn-scroll-top i {
  font-size: 18px !important;
  color: #FFFFFF !important;
  line-height: 1 !important;
  display: inline-block !important;
  margin: 0 !important;
  padding: 0 !important;
  vertical-align: middle !important;
}

/* Adjust position of back to top button on mobile screens */
@media (max-width: 768px) {
  .back-to-top {
    right: 24px !important;
    bottom: 24px !important;
  }
}

/* ==========================================================================
   VIETNAMESE FONT FIX & MODERN THEME FORCED SPECIFICITY OVERRIDES
   ========================================================================== */
.modern-theme,
.modern-theme body {
  font-family: var(--font-body) !important;
}

.modern-theme h1,
.modern-theme h2,
.modern-theme h3,
.modern-theme h4,
.modern-theme h5,
.modern-theme h6,
.modern-theme .h1,
.modern-theme .h2,
.modern-theme .h3,
.modern-theme .h4,
.modern-theme .h5,
.modern-theme .h6 {
  font-family: var(--font-heading) !important;
}

.modern-theme p,
.modern-theme span,
.modern-theme a,
.modern-theme li,
.modern-theme td,
.modern-theme th,
.modern-theme label,
.modern-theme input,
.modern-theme button,
.modern-theme select,
.modern-theme textarea {
  font-family: var(--font-body) !important;
}

.modern-theme .section-header.text-center .section-title {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
  display: block !important;
}

.modern-theme .badge {
  display: inline-flex !important;
  align-items: center !important;
  gap: var(--space-xs) !important;
  padding: 6px 14px !important;
  border-radius: var(--radius-full) !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.modern-theme .badge-accent-light {
  background-color: rgba(var(--color-accent-rgb), 0.1) !important;
  color: var(--color-accent-dark) !important;
  border: 1px solid rgba(var(--color-accent-rgb), 0.2) !important;
}

.modern-theme .badge-primary-light {
  background-color: rgba(var(--color-primary-rgb), 0.08) !important;
  color: var(--color-primary) !important;
  border: 1px solid rgba(var(--color-primary-rgb), 0.15) !important;
}

/* ==========================================================================
   MODERN CARD REDESIGN (.p-resource_item) FOR BLOGS, RESOURCES, STORIES & WEBINARS
   ========================================================================== */

/* Modern Grid Containers */
.p-resource_list.blog,
.p-resource_list.resource,
.p-resource_list.story #blogs {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 32px !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 60px 0 !important;
  width: 100% !important;
}

/* Card Item styles */
.p-resource_item {
  width: 100% !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden !important;
  background-color: #FFFFFF !important;
  box-shadow: var(--shadow-md) !important;
  border: 1px solid var(--color-border) !important;
  transition: all var(--transition-normal) !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
}

.p-resource_item a {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  width: 100% !important;
  text-decoration: none !important;
}

.p-resource_item:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: rgba(var(--color-primary-rgb), 0.15) !important;
}

/* Card Image Wrapper */
.p-resource_item .img-wrapper {
  width: 100% !important;
  aspect-ratio: 16 / 10 !important;
  height: auto !important;
  overflow: hidden !important;
  border-bottom: 1px solid var(--color-border) !important;
  margin: 0 !important;
}

.p-resource_item .img-wrapper img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  transition: transform 0.6s ease !important;
}

.p-resource_item:hover .img-wrapper img {
  transform: scale(1.04) !important;
}

/* Card Badge/Content Container */
.p-resource_item_badge {
  background-color: #FFFFFF !important;
  padding: 14px 16px !important;
  border-radius: 0 0 var(--radius-md) var(--radius-md) !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 10px !important;
  flex-grow: 1 !important;
  position: relative !important;
  word-break: break-word !important;
}

/* Card Title */
.p-resource_item_badge .p-title {
  position: static !important;
  font-family: var(--font-heading) !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  color: var(--color-primary-dark) !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  min-height: auto !important;
  height: auto !important;
  flex: 1 !important;
  min-width: 0 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  text-align: left !important;
}

/* Card Description (used in customer stories & webinars) */
.p-resource_item_badge .p-desc {
  font-family: var(--font-body) !important;
  font-size: 0.9rem !important;
  color: var(--color-text-sub) !important;
  line-height: 1.5 !important;
  margin: 0 0 16px 0 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 3 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  width: 100% !important;
  text-align: left !important;
  min-height: 60px !important;
}

/* Card CTA link */
.p-resource_item_badge_link {
  position: static !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  flex-shrink: 0 !important;
  width: auto !important;
}

.p-resource_list .p-resource_item_badge_link::after,
.p-resource_item_badge_link::after {
  content: none !important;
  display: none !important;
}

.p-resource_item_badge_link .btn-more,
.p-resource_item_badge_link a {
  display: inline-flex !important;
  align-items: center !important;
  color: var(--color-primary) !important;
  font-size: 0.85rem !important;
  text-decoration: none !important;
  flex-shrink: 0 !important;
  transition: color var(--transition-fast), transform var(--transition-fast) !important;
}

.p-resource_item_badge_link .btn-more i,
.p-resource_item_badge_link a i {
  display: inline-block !important;
  transition: transform 0.25s ease-in-out !important;
}

.p-resource_item_badge_link .btn-more::after,
.p-resource_item_badge_link a::after {
  content: none !important;
  display: none !important;
}

.p-resource_item:hover .p-resource_item_badge_link .btn-more,
.p-resource_item:hover .p-resource_item_badge_link a {
  color: var(--color-primary-light) !important;
}

.p-resource_item:hover .p-resource_item_badge_link .btn-more i,
.p-resource_item:hover .p-resource_item_badge_link a i {
  transform: translateX(4px) !important;
}

/* ==========================================================================
   CUSTOMER STORIES (STORY) PAGE SPECIFICS
   ========================================================================== */
.p-resource_list.story {
  background-color: var(--color-bg-primary) !important;
}

.p-resource_list.story #blogs {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 24px !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 60px 0 !important;
}

.p-resource_list.story .p-resource_item {
  box-shadow: var(--shadow-sm) !important;
}

.p-resource_list.story .p-resource_item:hover {
  box-shadow: var(--shadow-lg) !important;
}

/* Brand logos section on Customer Stories */
.p-branch {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 48px !important;
  padding: 60px var(--space-md) !important;
  flex-wrap: wrap !important;
  background-color: var(--color-bg-secondary) !important;
  border-bottom: 1px solid var(--color-border) !important;
  width: 100% !important;
  margin: 0 !important;
}

.p-branch_item {
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0.6 !important;
  transition: opacity var(--transition-fast) !important;
}

.p-branch_item:hover {
  opacity: 1 !important;
}

.p-branch_item img {
  max-height: 48px !important;
  width: auto !important;
  filter: grayscale(100%) !important;
  transition: filter var(--transition-fast) !important;
}

.p-branch_item:hover img {
  filter: none !important;
}



/* ==========================================================================
   RESPONSIVE DESIGN FOR MODERN CARDS
   ========================================================================== */
@media screen and (max-width: 991px) {

  .p-resource_list.blog,
  .p-resource_list.resource {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
    padding: 40px var(--space-md) !important;
  }

  .p-resource_list.story #blogs {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
    padding: 40px var(--space-md) !important;
  }


}

@media screen and (max-width: 600px) {

  .p-resource_list.blog,
  .p-resource_list.resource,
  .p-resource_list.story #blogs {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    padding: 30px var(--space-sm) !important;
  }

  .p-resource-l .p-resource_item_badge {
    padding: 20px !important;
  }

  .p-resource-l .p-resource_item_badge .p-title {
    font-size: 1.25rem !important;
  }
}

/* ==========================================================================
   CUSTOMER CONNECTION PAGE (/tin-tuc/khach-hang)
   ========================================================================== */

.customer-page {
  margin-top: 80px;
  background: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
}

/* Hero */
.customer-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #1A5FAA 100%);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.customer-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(244, 160, 0, 0.12) 0%, transparent 70%);
}

.customer-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.customer-hero .hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

/* Logo Group Section */
.customer-logos-section {
  padding: 80px 0;
  background: var(--color-bg-primary);
}

.customer-logos-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.customer-group {
  margin-bottom: 64px;
}

.customer-group:last-child {
  margin-bottom: 0;
}

.customer-group-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.customer-group-heading::before {
  content: '';
  width: 4px;
  height: 28px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-primary));
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.customer-group-heading h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0;
}

.customer-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}

.customer-logo-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  min-height: 90px;
}

.customer-logo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 74, 153, 0.2);
}

.customer-logo-card img {
  max-width: 130px;
  max-height: 60px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.25s ease;
}

.customer-logo-card:hover img {
  filter: grayscale(0%);
}

/* Testimonials Grid */
.customer-testimonials {
  padding: 80px 0;
  background: var(--color-bg-secondary);
  position: relative;
}

.customer-testimonials .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.customer-testimonials .section-title {
  text-align: center;
  margin-bottom: 56px;
}

.customer-testimonials .section-title h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.customer-testimonials .section-title h2 span {
  color: var(--color-accent);
}

.customer-testimonials .section-title p {
  color: var(--color-text-sub);
  font-size: 1rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.testimonial-card .tc-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  margin-bottom: 16px;
}

.testimonial-card .tc-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.testimonial-card .tc-position {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 16px;
}

.testimonial-card .tc-quote {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.75;
  font-style: italic;
}

/* ==========================================================================
   EBOOK PAGE (/tin-tuc/sach-dien-tu)
   ========================================================================== */

.ebook-page {
  margin-top: 80px;
  background: var(--color-bg-primary);
  position: relative;
}

/* EBook Hero */
.ebook-hero {
  background: linear-gradient(135deg, #003366 0%, #004A99 55%, #1A75E5 100%);
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ebook-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 70% at 50% 110%, rgba(244, 160, 0, 0.15) 0%, transparent 65%);
}

.ebook-hero .hero-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.ebook-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.ebook-hero .hero-sub {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* EBook Grid */
.ebook-section {
  padding: 80px 0 100px;
  background: var(--color-bg-secondary);
  position: relative;
}

.ebook-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.ebook-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 32px;
}

.ebook-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.ebook-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 48px rgba(0, 74, 153, 0.15);
}

.ebook-card .ebook-cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f0fe, #f0f4ff);
}

.ebook-card .ebook-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.ebook-card:hover .ebook-cover img {
  transform: scale(1.05);
}

.ebook-card .ebook-download-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 74, 153, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ebook-card:hover .ebook-download-overlay {
  opacity: 1;
}

.ebook-card .ebook-download-overlay a {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}

.ebook-card .ebook-download-overlay a:hover {
  background: var(--color-accent-dark);
}

.ebook-card .ebook-title {
  padding: 14px 16px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.45;
  text-align: center;
}

/* ==========================================================================
   ABOUT US PAGE (/cong-ty/ve-chung-toi)
   ========================================================================== */

.about-page {
  margin-top: 80px;
  background: var(--color-bg-primary);
  position: relative;
}

/* Hero */
.about-hero {
  background: linear-gradient(135deg, #002851 0%, var(--color-primary) 55%, #1A5FAA 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(26, 117, 229, 0.25) 0%, transparent 65%);
}

.about-hero .hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.about-hero .hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-hero .hero-content h1 span {
  color: var(--color-accent);
}

.about-hero .hero-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 32px;
}

.about-hero .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 0.25s, transform 0.2s;
}

.about-hero .hero-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.about-hero .hero-image {
  position: relative;
}

.about-hero .hero-image img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.4));
}

/* Stats Section */
.about-stats {
  background: var(--color-primary-dark);
  padding: 0;
}

.about-stats .stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.about-stat-item {
  padding: 44px 32px;
  text-align: center;
  position: relative;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.about-stat-item:last-child {
  border-right: none;
}

.about-stat-item .stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(244, 160, 0, 0.15);
  border-radius: var(--radius-md);
}

.about-stat-item .stat-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: brightness(10);
}

.about-stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.about-stat-item .stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 400;
}

/* Story/Mission/Vision Section */
.about-story-section {
  padding: 100px 0;
  background: var(--color-bg-primary);
}

.about-story-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.about-story-section .section-heading {
  text-align: center;
  margin-bottom: 70px;
}

.about-story-section .section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.about-story-section .section-heading h2 span {
  color: var(--color-accent);
}

.about-story-section .section-heading p {
  color: var(--color-text-sub);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

.about-mission-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 90px;
}

.about-mission-item:last-child {
  margin-bottom: 0;
}

.about-mission-item.reverse {
  direction: rtl;
}

.about-mission-item.reverse>* {
  direction: ltr;
}

.about-mission-text .mission-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 74, 153, 0.08);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.about-mission-text h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.about-mission-text p {
  color: var(--color-text-sub);
  font-size: 1rem;
  line-height: 1.8;
}

.about-mission-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}

.about-mission-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Core Values */
.about-values-section {
  padding: 90px 0;
  background: var(--color-bg-secondary);
}

.about-values-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.about-values-section .section-heading {
  text-align: center;
  margin-bottom: 56px;
}

.about-values-section .section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.about-values-section .section-heading h2 span {
  color: var(--color-accent);
}

.about-values-section .section-heading p {
  color: var(--color-text-sub);
  font-size: 0.95rem;
  max-width: 520px;
  margin: 0 auto;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-value-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.about-value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.about-value-card .value-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
}

.about-value-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.about-value-card p {
  color: var(--color-text-sub);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* Timeline Section */
.about-timeline-section {
  padding: 90px 0;
  background: var(--color-bg-primary);
}

.about-timeline-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.about-timeline-section .section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.about-timeline-section .section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.about-timeline-section .section-heading h2 span {
  color: var(--color-accent);
}

.about-timeline-section .timeline-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-timeline-section .timeline-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* Team Section */
.about-team-section {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #003E85 100%);
  position: relative;
  overflow: hidden;
}

.about-team-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 10% 50%, rgba(26, 117, 229, 0.2) 0%, transparent 65%);
}

.about-team-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.about-team-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.about-team-content h2 span {
  color: var(--color-accent);
}

.about-team-content .team-role {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.about-team-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-team-img img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

/* Partner Logos Section */
.about-partners-section {
  padding: 80px 0;
  background: var(--color-bg-secondary);
}

.about-partners-section .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.about-partners-section .section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.about-partners-section .section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.about-partners-section .section-heading h2 span {
  color: var(--color-accent);
}

.about-partners-section .section-heading p {
  color: var(--color-text-sub);
  font-size: 0.9rem;
}

/* ── Responsive: Customer, EBook, About ── */
@media screen and (max-width: 1199px) {
  .customer-logo-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-hero .hero-inner,
  .about-team-section .section-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-hero .hero-image {
    text-align: center;
  }

  .about-hero .hero-image img {
    max-height: 300px;
  }

  .about-stats .stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-stat-item:nth-child(2) {
    border-right: none;
  }

  .about-stat-item:nth-child(3) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .about-stat-item {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .about-stat-item:nth-child(1),
  .about-stat-item:nth-child(2) {
    border-top: none;
  }

  .about-mission-item {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-mission-item.reverse {
    direction: ltr;
  }

  .about-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 767px) {
  .customer-hero {
    padding: 70px 16px 50px;
  }

  .customer-logos-section .section-inner,
  .customer-testimonials .section-inner {
    padding: 0 16px;
  }

  .customer-logo-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .ebook-hero {
    padding: 60px 16px 44px;
  }

  .ebook-section .section-inner {
    padding: 0 16px;
  }

  .ebook-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
  }

  .about-hero {
    padding: 70px 0 50px;
  }

  .about-hero .hero-inner {
    padding: 0 16px;
    gap: 28px;
  }

  .about-stats .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 0;
  }

  .about-stat-item {
    padding: 28px 16px;
  }

  .about-stat-item .stat-number {
    font-size: 1.8rem;
  }

  .about-story-section .section-inner,
  .about-values-section .section-inner,
  .about-timeline-section .section-inner,
  .about-team-section .section-inner,
  .about-partners-section .section-inner {
    padding: 0 16px;
  }

  .about-team-section .section-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-values-grid {
    grid-template-columns: 1fr;
  }

  .about-story-section {
    padding: 60px 0;
  }

  .about-values-section,
  .about-timeline-section,
  .about-team-section,
  .about-partners-section {
    padding: 60px 0;
  }
}