/* TUMIKI - Design system dung chung cho toan bo trang demo tinh (static HTML) */
/* Bang mau: xem KDB "02 - Bang mau thuong hieu". Khong duoc doi mau ngoai bang nay. */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap');

:root {
  --primary: #F38020;
  --primary-dark: #D96A10;
  --primary-tint: #FEF1E4;
  --secondary: #124B84;
  --secondary-dark: #0C3560;
  --secondary-tint: #EAF1F8;
  --accent: #61CE70;
  --accent-tint: #EAFAEC;
  --text: #7A7A7A;
  --ink: #1C2530;
  --white: #FFFFFF;
  --black: #000000;
  --border: #E7E9EC;
  --surface: #F7F8FA;

  --radius-card: 14px;
  --radius-input: 8px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(18, 75, 132, .06), 0 1px 1px rgba(18, 75, 132, .04);
  --shadow-md: 0 12px 32px -12px rgba(18, 75, 132, .18);
  --shadow-lg: 0 24px 56px -20px rgba(18, 75, 132, .24);

  --content-width: 1300px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

button {
  font: inherit;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* ===== Layout primitives ===== */
/* Quy uoc: SECTION luon full-bleed (100% viewport). CONTAINER ben trong luon gioi han content-width 1300px. */
.section {
  width: 100%;
  padding: 88px 0;
}

.section--tight {
  padding: 64px 0;
}

.section--surface {
  background: var(--surface);
}

.section--navy {
  background: var(--secondary);
  color: rgba(255, 255, 255, .92);
}

.section--navy-tint {
  background: var(--secondary-tint);
}

/* ===== Section Why Parallax (Nền đen xám tối mờ + Parallax Fixed Image) ===== */
.section--why-parallax {
  position: relative;
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.78) 0%, rgba(17, 24, 39, 0.68) 100%), url('../img/vi-sao-chon-tumiki.webp');
  background-size: cover;
  background-position: center 30%;
  background-attachment: fixed;
  color: var(--white);
  padding: 96px 0;
}

@media (max-width:768px) {
  .section--why-parallax {
    background-attachment: scroll;
  }
}

.section--why-parallax .section-head h2 {
  color: #FFFFFF;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.section--why-parallax .eyebrow {
  color: var(--primary);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* ===== Value-chain section (ảnh kỹ thuật fixed + phủ xanh đậm) ===== */
.vc-parallax {
  position: relative;
  background-image: linear-gradient(rgba(9, 22, 40, .82), rgba(9, 22, 40, .82)), url('https://images.pexels.com/photos/163100/circuit-circuit-board-resistor-computer-163100.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
}

@media (max-width:768px) {
  .vc-parallax {
    background-attachment: scroll;
  }
}

.vc-parallax .eyebrow { color: var(--primary); }
.vc-parallax h2 { color: var(--white); }
.vc-parallax .vc-intro { color: rgba(255, 255, 255, .72); }
.vc-parallax .vc-step h4 { color: var(--white); }
.vc-parallax .vc-step p { color: rgba(255, 255, 255, .62); }
.vc-parallax .vc-connector { background: rgba(255, 255, 255, .22); }
.vc-parallax .vc-connector::after { border-left-color: rgba(255, 255, 255, .22); }



.container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

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

.section-head.text-center {
  margin-inline: auto;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.18;
  color: var(--ink);
  text-wrap: balance;
}

.section-head p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text);
}

.section--navy .section-head h2 {
  color: var(--white);
}

.section--navy .section-head p {
  color: rgba(255, 255, 255, .72);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  border: 1.5px solid transparent;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), background-color .15s var(--ease), color .15s var(--ease);
}

.btn:active {
  transform: scale(.97);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(243, 128, 32, .55);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

.btn-outline-invert {
  background: transparent;
  border-color: rgba(255, 255, 255, .4);
  color: var(--white);
}

.btn-outline-invert:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .08);
}

.btn-ghost {
  background: transparent;
  color: var(--secondary);
  padding: 8px 4px;
  font-weight: 700;
}

.btn-ghost svg {
  transition: transform .15s var(--ease);
}

.btn-ghost:hover svg {
  transform: translateX(3px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--secondary);
  flex-shrink: 0;
}

.brand img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.brand .mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.main-nav>li {
  position: relative;
}

.main-nav>li>a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
  transition: background-color .15s var(--ease), color .15s var(--ease);
}

.main-nav>li>a:hover,
.main-nav>li.is-open>a {
  background: var(--surface);
  color: var(--secondary);
}

.main-nav>li>a svg {
  transition: transform .2s var(--ease);
}

.main-nav>li.is-open>a svg {
  transform: rotate(180deg);
}

.mega {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 640px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 22px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  translate: 0 8px;
  transition: opacity .18s var(--ease), translate .18s var(--ease), visibility .18s;
}

.main-nav>li.is-open .mega {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
}

.mega a {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 10px;
  align-items: flex-start;
}

.mega a:hover {
  background: var(--surface);
}

.mega .ico {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mega .lbl b {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}

.mega .lbl span {
  display: block;
  font-size: 12.5px;
  color: var(--text);
  margin-top: 2px;
}

/* ===== Submenu Dropdown ===== */
.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  width: 310px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  translate: 0 8px;
  transition: opacity .18s var(--ease), translate .18s var(--ease), visibility .18s;
  z-index: 110;
}

.main-nav>li.is-open .dropdown {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
}

.dropdown a {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  align-items: center;
  transition: background-color .15s var(--ease);
}

.dropdown a:hover {
  background: var(--surface);
}

.dropdown .ico {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.dropdown .lbl b {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.dropdown .lbl span {
  display: block;
  font-size: 12px;
  color: var(--text);
  margin-top: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-actions .tel {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 14px;
  color: var(--secondary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}

@media (max-width:1080px) {
  .main-nav {
    display: none;
  }

  .header-actions .tel {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ===== Hero Slider (Full Background Style - 90vh Height) ===== */
.hero {
  position: relative;
  background: var(--secondary-dark);
  color: var(--white);
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  min-height: calc(100vh - 84px);
}

.hero-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 84px);
  padding: 60px 0 80px;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  pointer-events: auto;
}

.hero-copy--center {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.hero-copy--center h1 {
  font-size: clamp(32px, 4.2vw, 50px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.12;
  color: var(--white);
  text-shadow: 0 2px 14px rgba(0, 0, 0, .65);
}

.hero-copy--center h1 em {
  font-style: normal;
  color: var(--primary);
  text-shadow: 0 2px 14px rgba(0, 0, 0, .65);
}

.hero-copy--center p {
  margin-top: 20px;
  font-size: 16.5px;
  color: rgba(255, 255, 255, .94);
  max-width: 64ch;
  margin-inline: auto;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .65);
}

.hero-copy--center .hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-copy--center .hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-copy--center .hero-stats div b {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
}

.hero-copy--center .hero-stats div span {
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
}

.eyebrow--light {
  color: var(--primary);
}

.eyebrow--light::before {
  background: var(--primary);
}

.hero-slider-controls--overlay {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.hero-slider-controls--overlay .slider-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .15);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  transition: all .2s var(--ease);
  font-size: 16px;
}

.hero-slider-controls--overlay .slider-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}

.hero-slider-controls--overlay .slider-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hero-slider-controls--overlay .slider-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  border: none;
  background: rgba(255, 255, 255, .35);
  cursor: pointer;
  transition: all .25s var(--ease);
  padding: 0;
}

.hero-slider-controls--overlay .slider-dots .dot.active {
  width: 28px;
  background: var(--primary);
}

@media (max-width:768px) {

  .hero-slides,
  .hero-slide {
    min-height: auto;
  }

  .hero-slide {
    padding: 60px 0 76px;
  }

  .hero-copy--center .hero-stats {
    gap: 20px;
    grid-template-columns: 1fr 1fr;
    display: grid;
  }
}

/* ===== Solution Intro Split (Text Trai + Anh Phai) ===== */
.solution-intro-split {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 44px;
}

.solution-intro-split .section-head {
  max-width: none;
  margin-bottom: 0;
}

.solution-intro-media {
  position: relative;
}

.solution-intro-media img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

@media (max-width: 960px) {
  .solution-intro-split {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 36px;
  }

  .solution-intro-media img {
    height: 300px;
  }
}

/* ===== Process (6 buoc) ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.process-step {
  background: var(--white);
  padding: 30px 26px;
  position: relative;
}

.process-step .num {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .05em;
}

.process-step h3 {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.process-step p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text);
}

@media (max-width:860px) {
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width:560px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Linh vuc grid ===== */
.field-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.field-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  overflow: hidden;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.field-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,20,35,.35) 0%, rgba(10,20,35,.78) 100%);
}

.field-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.field-card .ico,
.field-card h3,
.field-card p,
.field-card .go {
  position: relative;
  z-index: 1;
}

.field-card .ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255,255,255,.14);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.field-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}

.field-card p {
  margin-top: 8px;
  font-size: 13.5px;
  color: rgba(255,255,255,.82);
}

.field-card .go {
  margin-top: auto;
  padding-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
}

@media (max-width:1080px) {
  .field-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width:640px) {
  .field-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Premium Stat Cards Grid ===== */
.why-wrap {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 52px;
  align-items: center;
}

.why-list {
  display: grid;
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 4px 0;
  transition: transform .22s var(--ease);
}

.why-item:hover {
  transform: translateX(6px);
}

.why-item .ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 22px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  transition: all .22s var(--ease);
}

.why-item:hover .ico {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(243, 128, 32, 0.4);
}

.why-item h3 {
  font-size: 17.5px;
  font-weight: 750;
  color: #FFFFFF;
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  transition: color .22s var(--ease);
}

.why-item:hover h3 {
  color: var(--primary);
}

.why-item p {
  margin-top: 4px;
  font-size: 14.5px;
  color: rgba(241, 245, 249, 0.85);
  line-height: 1.48;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.stat-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 26px 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  transition: all .28s var(--ease);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  border-color: rgba(243, 128, 32, 0.5);
  background: rgba(15, 23, 42, 0.85);
}

.stat-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.10);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all .25s var(--ease);
}

.stat-card:hover .stat-icon {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: scale(1.08);
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #FFFFFF;
  line-height: 1;
  transition: color .25s var(--ease);
}

.stat-card:hover .stat-number {
  color: var(--primary);
}

.stat-card-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.stat-card-body span {
  font-size: 13px;
  color: rgba(241, 245, 249, 0.78);
  line-height: 1.4;
  display: block;
}

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

@media (max-width:540px) {
  .stat-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Cards du an / khoa hoc ===== */
.card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.proj-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}

.proj-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.proj-card img {
  aspect-ratio: 16/11;
  object-fit: cover;
}

.proj-card .body {
  padding: 20px 22px 24px;
}

.proj-card .tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--secondary);
  background: var(--secondary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.proj-card h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}

.proj-card .meta {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text);
  display: flex;
  gap: 14px;
}

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

.course-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow .18s var(--ease);
  color: inherit;
  text-decoration: none;
}

.course-card:hover {
  box-shadow: 0 8px 24px rgba(16,24,40,.08);
}

.course-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.course-card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 26px 26px;
}

.course-card .tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--secondary);
  background: var(--secondary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.course-card h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
}

.course-card .duration {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.course-card p {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
}

@media (max-width:760px) {

  .card-row,
  .course-row {
    grid-template-columns: 1fr;
  }
}

/* ===== Doi tac teaser (marquee tinh) ===== */
.partner-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.partner-strip .cell {
  background: var(--white);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(16,24,40,.04);
  opacity: .88;
  transition: opacity .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}

.partner-strip .cell:hover {
  opacity: 1;
  box-shadow: 0 8px 24px rgba(16,24,40,.08);
  transform: translateY(-2px);
}

.partner-strip .cell img {
  max-height: 100px;
  width: auto;
}

@media (max-width:900px) {
  .partner-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width:520px) {
  .partner-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Doi tac teaser (marquee dong, 2 hang nguoc chieu) ===== */
.marquee-row {
  overflow: hidden;
  padding-inline: 24px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: max-content;
  min-width: 100%;
  gap: 80px;
  will-change: transform;
  backface-visibility: hidden;
  animation: marquee-ltr 34s linear infinite;
}

.marquee-row--rtl .marquee-track {
  animation-name: marquee-rtl;
  animation-duration: 40s;
  gap: 64px;
}

.marquee-row:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-ltr {
  from { transform: translateX(-33.3334%); }
  to   { transform: translateX(0); }
}

@keyframes marquee-rtl {
  from { transform: translateX(0); }
  to   { transform: translateX(-33.3334%); }
}

.marquee-item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--secondary);
  font-size: 20px;
  white-space: nowrap;
  padding: 16px 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(16,24,40,.05);
}

.marquee-item img {
  max-height: 44px;
  width: auto;
  filter: grayscale(1) opacity(.72);
  transition: filter .18s var(--ease);
}

.marquee-item img:hover {
  filter: none;
}

.marquee-divider {
  display: none;
}

.marquee-item--iso {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 14px 22px;
}

.marquee-item--iso .iso-title {
  font-weight: 800;
  color: var(--ink);
  font-size: 18px;
}

.marquee-item--iso .iso-sub {
  font-weight: 500;
  color: var(--text);
  font-size: 13px;
}

@media (max-width:520px) {
  .marquee-track { gap: 36px; }
  .marquee-row--rtl .marquee-track { gap: 28px; }
}

/* ===== Trang Giai phap linh vuc: template dung chung 5 nganh =====
   Xem KDB "2026-09-16 - Mau chung trang Giai phap linh vuc".
   Cac lop duoi day duoc gom tu 5 trang giai-phap-*.html rieng le ve day,
   khong duoc khai bao lai trong <style> cuc bo cua tung trang. */

/* Section 2: Gioi thieu giai phap - danh sach 4 nhu cau/diem trong tam */
.solution-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
  margin-top: 28px;
}

.solution-features-list .sf-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}

.solution-features-list .sf-item:nth-child(-n+2) {
  border-top: 1px solid var(--border);
}

.solution-features-list .sf-item i {
  flex: none;
  width: 26px;
  height: 26px;
  font-size: 20px;
  color: var(--primary);
  margin-top: 2px;
}

.solution-features-list .sf-item p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

@media (max-width:768px) {
  .solution-features-list { grid-template-columns: 1fr; }
}

/* Tong quan giai phap: copy trai + luoi 2x2 icon phai */
.solution-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.solution-overview-copy p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.solution-overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
}

.ov-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}

.ov-item:nth-child(-n+2) {
  border-top: 1px solid var(--border);
}

.ov-item i {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-size: 20px;
  color: var(--primary);
  background: var(--primary-tint);
  flex-shrink: 0;
}

.ov-item:nth-child(2n) i {
  color: var(--secondary);
  background: var(--secondary-tint);
}

.ov-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.ov-item p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

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

@media (max-width:480px) {
  .solution-overview-grid { grid-template-columns: 1fr; }
}

/* Chuoi gia tri: 4 buoc so thu tu + mui ten */
.vc-intro {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  max-width: 70ch;
}

.vc-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 32px;
}

.vc-step h4,
.vc-step p {
  padding-right: 24px;
}

.vc-step-top {
  display: flex;
  align-items: center;
}

.vc-num {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--secondary);
  color: var(--white);
  font-weight: 800;
  font-size: 19px;
}

.vc-num--primary {
  background: var(--primary);
}

.vc-steps--animated .vc-num {
  animation-duration: 8s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.vc-steps--animated .vc-step:nth-child(1) .vc-num { animation-name: vc-num-1; }
.vc-steps--animated .vc-step:nth-child(2) .vc-num { animation-name: vc-num-2; }
.vc-steps--animated .vc-step:nth-child(3) .vc-num { animation-name: vc-num-3; }
.vc-steps--animated .vc-step:nth-child(4) .vc-num { animation-name: vc-num-4; }

@keyframes vc-num-1 {
  0%, 23% { background: var(--primary); }
  27%, 100% { background: var(--secondary); }
}

@keyframes vc-num-2 {
  0%, 23%, 100% { background: var(--secondary); }
  27%, 48% { background: var(--primary); }
  52% { background: var(--secondary); }
}

@keyframes vc-num-3 {
  0%, 48%, 100% { background: var(--secondary); }
  52%, 73% { background: var(--primary); }
  77% { background: var(--secondary); }
}

@keyframes vc-num-4 {
  0%, 73% { background: var(--secondary); }
  77%, 100% { background: var(--primary); }
}

.vc-connector {
  position: relative;
  flex: 1;
  height: 1px;
  margin-left: 10px;
  background: var(--border);
}

.vc-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 6px;
  height: 10px;
  transform: translateY(-50%);
  background: var(--border);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.vc-connector::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  transform: translate(-50%, -50%);
  opacity: 0;
}

.vc-steps--animated .vc-connector::before {
  animation-duration: 8s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.vc-steps--animated .vc-step:nth-child(1) .vc-connector::before { animation-name: vc-dot-1; }
.vc-steps--animated .vc-step:nth-child(2) .vc-connector::before { animation-name: vc-dot-2; }
.vc-steps--animated .vc-step:nth-child(3) .vc-connector::before { animation-name: vc-dot-3; }

@keyframes vc-dot-1 {
  0% { left: 0%; opacity: 0; }
  2% { opacity: 1; }
  23% { left: 100%; opacity: 1; }
  25%, 100% { left: 100%; opacity: 0; }
}

@keyframes vc-dot-2 {
  0%, 25% { left: 0%; opacity: 0; }
  27% { opacity: 1; }
  48% { left: 100%; opacity: 1; }
  50%, 100% { left: 100%; opacity: 0; }
}

@keyframes vc-dot-3 {
  0%, 50% { left: 0%; opacity: 0; }
  52% { opacity: 1; }
  73% { left: 100%; opacity: 1; }
  75%, 100% { left: 100%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .vc-steps--animated .vc-num,
  .vc-steps--animated .vc-connector::before { animation: none; }
}

.vc-step h4 {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.vc-step p {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

@media (max-width:900px) {
  .vc-steps { grid-template-columns: 1fr 1fr; }
  .vc-connector { display: none; }
}

@media (max-width:480px) {
  .vc-steps { grid-template-columns: 1fr; }
}

/* Ha tang phong sach: copy + luoi 2x3 icon trai, anh phai */
.infra-overview {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.infra-overview-copy p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  max-width: 52ch;
}

.infra-overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
  margin-top: 28px;
}

.infra-overview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
}

@media (max-width:900px) {
  .infra-overview { grid-template-columns: 1fr; }
  .infra-overview-media { order: -1; }
}

@media (max-width:480px) {
  .infra-overview-grid { grid-template-columns: 1fr; }
}

/* Section 3: Co so ha tang / nhom giai phap - lop module dang the (khong anh) */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 28px;
}

.infra-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.infra-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.infra-card .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.infra-card h3 {
  font-size: 17px;
  font-weight: 750;
  color: var(--secondary);
  margin-bottom: 10px;
  line-height: 1.35;
}

.infra-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

@media (max-width:1080px) {
  .infra-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width:640px) {
  .infra-grid { grid-template-columns: 1fr; }
}

/* Section 4: Thiet bi dao tao - the thiet bi co anh */
.equipment-tab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.eq-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all .2s var(--ease);
}

.eq-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.eq-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.eq-card-body {
  padding: 18px;
}

.eq-card-body .model {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.eq-card-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.eq-card-body p {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.45;
}

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

@media (max-width:560px) {
  .equipment-tab-grid { grid-template-columns: 1fr; }
}

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

@media (max-width:560px) {
  .equipment-tab-grid--2 { grid-template-columns: 1fr; }
}

.eq-card--horizontal {
  display: flex;
  align-items: stretch;
  min-height: 320px;
}

.eq-card--horizontal img {
  width: 42%;
  height: 100%;
  flex-shrink: 0;
}

.eq-card--horizontal .eq-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width:560px) {
  .eq-card--horizontal { flex-direction: column; }
  .eq-card--horizontal img { width: 100%; height: 180px; }
}

.eq-card-body ul {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.eq-card-body ul li {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
}

.eq-card-body ul li::before {
  content: "•";
  color: var(--primary);
  font-weight: 700;
}

.eq-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}

.eq-card-link:hover {
  color: var(--primary-dark);
}

.eq-card-link i {
  transition: transform .15s var(--ease);
}

.eq-card-link:hover i {
  transform: translateX(3px);
}

/* Lo trinh cap do / level roadmap (dung o Dien-Dien tu, co the tai su dung) */
.level-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.level-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
}

.level-box .lvl {
  font-size: 12px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}

.level-box h4 {
  font-size: 16px;
  font-weight: 750;
  color: var(--secondary);
  margin-bottom: 6px;
}

.level-box p {
  font-size: 13px;
  color: var(--text);
}

@media (max-width:900px) {
  .level-steps { grid-template-columns: repeat(2, 1fr); }
}

/* Khoi Industry 4.0 xen giua trang Co dien tu - Tu dong hoa (ngoai le duy nhat) */
.i40-block-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.i40-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.i40-item:nth-child(even) {
  grid-template-areas: "b a";
}

.i40-item:nth-child(even) .i40-img {
  grid-area: a;
}

.i40-item:nth-child(even) .i40-copy {
  grid-area: b;
}

.i40-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 14px;
}

.i40-copy h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
}

.i40-copy p {
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 20px;
}

.i40-copy ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.i40-copy ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 600;
}

.i40-copy ul li i {
  color: var(--primary);
  font-size: 18px;
}

@media (max-width: 900px) {
  .i40-item, .i40-item:nth-child(even) {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }
  .i40-item:nth-child(even) .i40-img,
  .i40-item:nth-child(even) .i40-copy {
    grid-area: auto;
  }
}

/* Banner nen toi cho nen tang e-learning (dung o O to / Electude) */
.electude-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--white);
  padding: 48px;
  border-radius: 20px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  margin: 40px 0;
}

.electude-banner h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.electude-banner p {
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  margin-bottom: 20px;
}

.electude-banner img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

@media (max-width: 850px) {
  .electude-banner { grid-template-columns: 1fr; }
}

/* Cac o ma IC (dung o Ban dan) */
.roadmap-ic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.ic-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
}

.ic-box .badge-ic {
  font-size: 11px;
  font-weight: 800;
  background: var(--primary-tint);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 8px;
}

.ic-box h4 {
  font-size: 15px;
  font-weight: 750;
  color: var(--secondary);
  margin-bottom: 6px;
}

.ic-box p {
  font-size: 12.5px;
  color: var(--text);
}

@media (max-width: 900px) {
  .roadmap-ic { grid-template-columns: repeat(2, 1fr); }
}

/* Section 6: Catalogue ky thuat PDF */
.pdf-downloads {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: all .2s;
}

.pdf-btn i {
  color: #d32f2f;
  font-size: 24px;
}

.pdf-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: var(--surface);
}

.file-section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.file-section-head h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.file-section-head p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text);
}

.file-section-head .file-section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 14px;
  color: var(--secondary);
  text-decoration: none;
  white-space: nowrap;
}

.file-section-link:hover { text-decoration: underline; }

.file-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.file-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  text-decoration: none;
  transition: all .2s;
}

.file-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-md);
}

.file-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #FDECEA;
  font-size: 30px;
  color: #d32f2f;
}

.file-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
}

.file-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.file-card-meta i {
  font-size: 20px;
  color: var(--text);
}

/* Ghi chu can xac nhan noi dung truoc khi xuat ban (khong hien thi ngoai production) */
.ph-note {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--primary-dark);
  background: var(--primary-tint);
  border-radius: 8px;
  padding: 8px 12px;
}

/* ===== Tin tuc Magazine Layout ===== */
.news-magazine-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
  text-decoration: none;
  color: inherit;
}

.news-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.news-card-img {
  width: 100%;
  overflow: hidden;
  background: var(--surface);
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s var(--ease);
}

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

.news-card-body {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card .date {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.news-card h3 {
  font-size: 15px;
  font-weight: 750;
  color: var(--ink);
  line-height: 1.38;
  margin-bottom: 8px;
  transition: color .2s var(--ease);
}

.news-card:hover h3 {
  color: var(--primary);
}

.news-card .excerpt {
  font-size: 13px;
  color: var(--text);
  line-height: 1.48;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: auto;
}

/* Featured Card (Ben trai - Anh full card + Title overlay phia duoi) */
.news-card--featured {
  position: relative;
  height: 100%;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.news-card--featured>img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s var(--ease);
}

.news-card--featured:hover>img {
  transform: scale(1.05);
}

.news-card--featured .news-card-overlay {
  position: relative;
  z-index: 2;
  padding: 40px 24px 22px;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.6) 60%, rgba(15, 23, 42, 0) 100%);
  margin-top: auto;
  width: 100%;
}

.news-card--featured .news-card-overlay h3 {
  color: #FFFFFF;
  font-size: 24.5px;
  font-weight: 750;
  line-height: 1.35;
  margin: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  transition: color .2s var(--ease);
}

.news-card--featured:hover .news-card-overlay h3 {
  color: var(--primary);
}

.news-card--featured .news-card-overlay p.excerpt {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13.5px;
  line-height: 1.45;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* Sub-grid 2x2 (Ben phai) */
.news-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.news-sub-grid .news-card-img {
  height: 135px;
}

@media (max-width:992px) {
  .news-magazine-layout {
    grid-template-columns: 1fr;
  }

  .news-card--featured .news-card-img {
    height: 240px;
  }
}

@media (max-width:600px) {
  .news-sub-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Form tu van ===== */
.form-wrap {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 0;
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.form-side {
  background: var(--secondary);
  color: var(--white);
  padding: 48px 44px;
}

.form-side h2 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
}

.form-side p {
  margin-top: 14px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
}

.form-side .office {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
}

.form-side .office+.office {
  margin-top: 14px;
}

.form-fields {
  padding: 48px 44px;
  display: grid;
  gap: 16px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 7px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-input);
  padding: 12px 14px;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: var(--white);
  transition: border-color .15s var(--ease);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--secondary);
}

.field textarea {
  resize: vertical;
  min-height: 96px;
}

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

@media (max-width:560px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .form-side,
  .form-fields {
    padding: 34px 26px;
  }
}

/* ===== Footer Layout ===== */
.site-footer {
  background: linear-gradient(180deg, #0C1A2E 0%, #07101E 100%);
  color: rgba(255, 255, 255, .82);
  padding: 56px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  font-size: 13.5px;
}

/* Section 1: Top Grid (4 Columns) */
.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: 40px;
}

.footer-col-brand {
  text-align: center;
}

.footer-col-brand .footer-brand-logo {
  display: inline-flex;
}

.footer-col-brand .brand-img-white {
  height: 64px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .78);
  max-width: 54ch;
  margin: 0 auto;
}

.footer-slogan-highlight {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin: 24px 0 32px;
  letter-spacing: .02em;
}

.footer-stats-list {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.footer-stats-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.footer-stats-list strong {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
}

.footer-stats-list span {
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
}

.footer-title {
  color: var(--primary);
  font-size: 14.5px;
  font-weight: 800;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.footer-menu li {
  margin-bottom: 11px;
}

.footer-menu span {
  color: rgba(255, 255, 255, .78);
  display: inline-block;
}

/* Section 2: Branch Offices (LIÊN HỆ) */
.footer-middle-section {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 36px 0;
}

.footer-section-heading {
  color: var(--primary);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 24px;
}

.footer-branches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.branch-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.branch-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.branch-icon {
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.branch-head h5 {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .02em;
  margin: 0;
}

.branch-info p {
  font-size: 13px;
  color: rgba(255, 255, 255, .78);
  line-height: 1.55;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.branch-info p i {
  color: rgba(255, 255, 255, .5);
  font-size: 15px;
  margin-top: 2px;
  flex-shrink: 0;
}

.branch-info a {
  color: rgba(255, 255, 255, .82);
  transition: color .18s var(--ease);
}

.branch-info a:hover {
  color: var(--primary);
}

/* Section 3: Certificates & Newsletter */
.footer-lower-section {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 36px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-newsletter-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.footer-cert-block h4,
.footer-newsletter-block h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .04em;
  margin-bottom: 4px;
}

.footer-cert-block p,
.footer-newsletter-block p {
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 16px;
}

.footer-cert-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cert-badge {
  background: var(--white);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  letter-spacing: .01em;
}

.cert-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(243, 128, 32, .35);
  background: #FFF8F0;
}

.footer-newsletter-form {
  display: flex;
  width: 100%;
  max-width: 820px;
}

.footer-newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 6px 0 0 6px;
  border: none;
  font-size: 13.5px;
  background: var(--white);
  color: var(--ink);
  outline: none;
}

.footer-newsletter-form input::placeholder {
  color: #94A3B8;
}

.footer-newsletter-form .btn-subscribe {
  background: var(--primary);
  color: var(--white);
  font-weight: 800;
  font-size: 13.5px;
  padding: 12px 24px;
  border: none;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  transition: background-color .18s var(--ease);
  white-space: nowrap;
}

.footer-newsletter-form .btn-subscribe:hover {
  background: var(--primary-dark);
}

/* Section 4: Bottom Copyright Bar */
.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 24px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, .68);
}

.copyright-info strong {
  color: var(--white);
}

.copyright-info .sub-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
  margin-top: 2px;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

.footer-legal-links span {
  color: rgba(255, 255, 255, .72);
}

.footer-social-wrapper {
  display: flex;
  align-items: center;
  gap: 18px;
}

.footer-social-links {
  display: flex;
  gap: 10px;
}

.footer-social-links span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.scroll-to-top-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .3);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  cursor: pointer;
  transition: all .2s var(--ease);
}

.scroll-to-top-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* Responsive Footer */
@media (max-width: 1024px) {
  .footer-branches-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

}

@media (max-width: 640px) {
  .footer-stats-list {
    gap: 28px;
    flex-wrap: wrap;
  }

  .footer-newsletter-form {
    flex-direction: column;
    gap: 10px;
  }

  .footer-newsletter-form input,
  .footer-newsletter-form .btn-subscribe {
    border-radius: 6px;
    width: 100%;
  }

  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* ===== Breadcrumb / page banner (dung lai o cac trang con) ===== */
.page-banner {
  background: var(--secondary);
  padding: 56px 0 44px;
}

.page-banner .crumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 14px;
}

.page-banner h1 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  color: var(--white);
}

.page-banner p {
  margin-top: 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, .7);
  max-width: 60ch;
}

/* ===== Industry hero (banner giải pháp ngành) ===== */
.industry-hero {
  background: url("../img/ban-dan-hero.png") center/cover no-repeat;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 40px 0 48px;
}

.industry-hero-eyebrow {
  margin-top: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .65);
  text-transform: uppercase;
}

.industry-hero h1 {
  margin-top: 8px;
  font-size: clamp(32px, 4.2vw, 52px);
}

.industry-hero > .container > p {
  max-width: 56ch;
}

.industry-hero-steps {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.industry-hero-steps .step {
  display: flex;
  align-items: center;
  gap: 10px;
}

.industry-hero-steps .step i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  font-size: 20px;
  flex-shrink: 0;
}

.industry-hero-steps .step strong {
  display: block;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}

.industry-hero-steps .step span {
  display: block;
  color: rgba(255, 255, 255, .55);
  font-size: 12px;
}

.industry-hero-steps .step-arrow {
  color: rgba(255, 255, 255, .35);
  font-size: 16px;
}

.industry-hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.industry-hero-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
}

.industry-hero-link:hover {
  color: rgba(255, 255, 255, .8);
}

@media (max-width: 640px) {
  .industry-hero-steps {
    gap: 12px;
  }
  .industry-hero-steps .step-arrow {
    display: none;
  }
}

/* ===== Reveal-on-scroll (progresive, khong bat buoc JS) ===== */
[data-reveal] {
  opacity: 0;
  translate: 0 16px;
  transition: opacity .5s var(--ease), translate .5s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  translate: 0 0;
}

/* ===== Lo trinh dang accordion (IC01-IC12, co the tai su dung) ===== */
.roadmap-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.roadmap-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-top: 32px;
}

.roadmap-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  background: var(--white);
}

.roadmap-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 18px;
  cursor: pointer;
  font-weight: 700;
  color: var(--secondary);
}

.roadmap-item summary::-webkit-details-marker {
  display: none;
}

.roadmap-item summary .rm-code {
  color: var(--secondary);
  flex-shrink: 0;
}

.roadmap-item summary .rm-title {
  flex: 1;
  color: var(--ink);
}

.roadmap-item summary .ph-caret-down {
  color: var(--text);
  transition: transform .2s var(--ease);
}

.roadmap-item[open] summary .ph-caret-down {
  transform: rotate(180deg);
}

.roadmap-item .rm-body {
  padding: 0 18px 16px 50px;
  font-size: 14px;
  color: var(--text);
}

@media (max-width:768px) {
  .roadmap-list {
    grid-template-columns: 1fr;
  }
}

/* ===== Placeholder marker ===== */
.ph-note {
  display: inline-block;
  margin-top: 10px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-tint);
  padding: 3px 9px;
  border-radius: 6px;
}