/* ═══════════════════════════════════════════════════════════════
   DDX Uniform & Fashion — Global CSS
   Dán CSS này vào: Appearance → Customize → Additional CSS
   HOẶC nó được load tự động qua child theme này.
   ═══════════════════════════════════════════════════════════════ */

/* ── BRAND VARIABLES ── */
:root {
  --navy:       #0052A4;
  --navy-dark:  #003875;
  --navy-light: #1a6bbf;
  --black:      #000;
  --white:      #fff;
  --ivory:      #F5F1EB;
  --warm-grey:  #D7D8D2;
  --gold:       #D09B2C;
  --gold-light: #F3E8B3;
  --text:       #1a1a1a;
  --text-mid:   #555;
  --text-light: #888;
  --border:     #e8e8e8;
  --font-head:  'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body:  'Helvetica Neue', Helvetica, Arial, sans-serif;
  --max-w:      1200px;
  --pad:        clamp(16px, 4vw, 40px);
  --sec-pad:    clamp(56px, 8vw, 100px);
  --ease:       cubic-bezier(.25, .46, .45, .94);
}

/* ── RESET (ghi đè Hello Elementor reset.css — #c36 pink colors) ── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  padding-top: 0 !important;
  margin-top: 0 !important;
}
/* Override Hello Elementor reset: a { color: #c36 } */
a, a:link, a:visited { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
a:hover, a:active, a:focus { color: inherit; }
/* Override Hello Elementor reset: button { border: 1px solid #c36 } */
button, [type=button], [type=reset], [type=submit] {
  border: none;
  background: transparent;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
}

/* ── CONTAINER ── */
.container,
.ddx-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ── SECTION SPACING ── */
.section { padding: var(--sec-pad) 0; }

/* ── TYPOGRAPHY HELPERS ── */
.sec-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sec-label::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}
.sec-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 300 !important;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--navy-dark);
  margin-bottom: 20px;
}
.sec-sub {
  font-size: clamp(.9rem, 2vw, 1rem);
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 580px;
}

/* ── BUTTONS ── */
.btn-primary,
.btn-gold,
.btn-outline {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  font-family: var(--font-body);
  text-decoration: none;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--navy);
  color: var(--white) !important;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .05em;
  padding: 14px 32px;
  border-radius: 2px;
  transition: all .25s var(--ease);
  border: 2px solid var(--navy);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--navy-dark) !important; border-color: var(--navy-dark) !important; color: var(--white) !important; transform: translateY(-1px); }

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gold);
  color: var(--white) !important;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .05em;
  padding: 14px 32px;
  border-radius: 2px;
  transition: all .25s var(--ease);
  border: 2px solid var(--gold);
  min-height: 44px;
  white-space: nowrap;
}
.btn-gold:hover { background: #b8841f !important; border-color: #b8841f !important; color: var(--white) !important; transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: transparent !important;
  color: var(--white) !important;
  font-weight: 500;
  font-size: .9rem;
  padding: 13px 31px;
  border-radius: 2px;
  border: 1.5px solid rgba(255,255,255,.5);
  transition: all .25s var(--ease);
  min-height: 44px;
}
.btn-outline:hover { border-color: var(--white) !important; background: rgba(255,255,255,.1) !important; }

/* ── NAVBAR ── */
.ddx-navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  background: rgba(255,255,255,.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.ddx-navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.06); }
.ddx-nav-inner {
  display: flex;
  align-items: center;
  height: 80px;
  gap: clamp(16px, 3vw, 40px);
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.ddx-nav-logo { display: flex; align-items: center; flex-shrink: 0; line-height: 0; }
.ddx-nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ddx-nav-menu > li > a,
.ddx-nav-menu > li > button {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: .03em;
  transition: color .2s;
  position: relative;
  min-height: 44px;
  display: flex;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  gap: 5px;
}
.ddx-nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 6px; left: 0; right: 0;
  height: 1.5px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.ddx-nav-menu > li > a:hover,
.ddx-nav-menu > li > button:hover { color: var(--navy); }
.ddx-nav-menu > li > a:hover::after { transform: scaleX(1); }

.ddx-nav-cta { margin-left: auto; flex-shrink: 0; }

/* Hamburger — layout (chỉ áp dụng cho .ddx-nav-toggle, display chuyển sang flex trong @media mobile) */
.ddx-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  cursor: pointer;
  padding: 10px 8px;
  flex-shrink: 0;
  margin-left: auto;
}
/* Override Hello Elementor reset button {border:1px solid #c36; color:#c36; :hover{background:#c36}} */
.ddx-nav-toggle,
.ddx-nav-toggle:hover,
.ddx-nav-toggle:focus,
.ddx-nav-toggle:active,
.ddx-nav-toggle:focus-visible {
  background: transparent !important;
  background-color: transparent !important;
  border: none !important;
  color: var(--navy) !important;
  box-shadow: none !important;
  outline: none;
}
.ddx-nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .25s var(--ease);
  transform-origin: center;
}
.ddx-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.ddx-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.ddx-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav */
.ddx-nav-mobile {
  display: none;
  position: absolute;
  top: 80px; left: 0; right: 0;
  background: var(--white);
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  z-index: 9998;
}
.ddx-nav-mobile.is-open { display: flex; }
.ddx-nav-mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-mid);
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--border);
  min-height: 52px;
  display: flex;
  align-items: center;
}
.ddx-nav-mobile a:last-child { border-bottom: none; }

/* ── Hover/Active đồng nhất cho TẤT CẢ menu items ở mobile (link + button) ── */
.ddx-nav-mobile a:hover,
.ddx-nav-mobile a:focus,
.ddx-nav-mobile a:active,
.ddx-nav-mobile .ddx-mobile-parent:hover,
.ddx-nav-mobile .ddx-mobile-parent:focus,
.ddx-nav-mobile .ddx-mobile-parent:active {
  color: var(--navy) !important;
  background: rgba(0, 82, 164, .04) !important;
  background-color: rgba(0, 82, 164, .04) !important;
}
/* Sub-menu links hover */
.ddx-mobile-sub a:hover,
.ddx-mobile-sub a:focus,
.ddx-mobile-sub a:active { color: var(--navy) !important; background: rgba(0, 82, 164, .06) !important; }

/* CTA button mobile giữ navy bg + white text (không bị rule trên đè) */
.ddx-nav-mobile .ddx-mobile-cta,
.ddx-nav-mobile .ddx-mobile-cta:hover,
.ddx-nav-mobile .ddx-mobile-cta:focus,
.ddx-nav-mobile .ddx-mobile-cta:active {
  background: var(--navy) !important;
  background-color: var(--navy) !important;
  color: var(--white) !important;
}
.ddx-nav-mobile .ddx-mobile-cta:hover { background: var(--navy-dark) !important; background-color: var(--navy-dark) !important; }
.ddx-nav-mobile .ddx-mobile-cta {
  background: var(--navy);
  color: var(--white) !important;
  font-weight: 600;
  justify-content: center;
  margin: 12px var(--pad);
  border-radius: 2px;
  border-bottom: none !important;
  min-height: 48px;
}

/* Mobile accordion group */
.ddx-mobile-group { display: flex; flex-direction: column; }
.ddx-mobile-parent {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-mid);
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--border);
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  width: 100%;
  font-family: inherit;
  cursor: pointer;
  gap: 8px;
}
/* Override Hello Elementor button reset cho .ddx-mobile-parent (hover/focus → #c36) */
.ddx-mobile-parent,
.ddx-mobile-parent:hover,
.ddx-mobile-parent:focus,
.ddx-mobile-parent:active,
.ddx-mobile-parent:focus-visible {
  background: transparent !important;
  background-color: transparent !important;
  border-top: none !important;
  border-left: none !important;
  border-right: none !important;
  color: var(--text-mid) !important;
  box-shadow: none !important;
  outline: none;
}
.ddx-mobile-parent:hover { color: var(--navy) !important; }
.ddx-mobile-group.open .ddx-mobile-parent { color: var(--navy) !important; }
.ddx-mobile-parent svg { transition: transform .25s; flex-shrink: 0; }
.ddx-mobile-group.open .ddx-mobile-parent svg { transform: rotate(180deg); }

/* Global: tất cả <button> trong navbar/mobile menu không bị #c36 đè */
.ddx-navbar button,
.ddx-nav-mobile button,
.ddx-navbar button:hover,
.ddx-navbar button:focus,
.ddx-navbar button:active,
.ddx-nav-mobile button:hover,
.ddx-nav-mobile button:focus,
.ddx-nav-mobile button:active {
  border-color: transparent !important;
}
.ddx-navbar button:focus-visible,
.ddx-nav-mobile button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}
.ddx-mobile-sub {
  display: none;
  flex-direction: column;
  background: var(--ivory);
}
.ddx-mobile-group.open .ddx-mobile-sub { display: flex; }
.ddx-mobile-sub a {
  font-size: .9rem;
  padding: 12px calc(var(--pad) + 12px);
  border-bottom: 1px solid var(--border);
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* ── MEGA MENU ── */
.ddx-nav-item { position: relative; display: flex; align-items: center; }
.ddx-mega-menu {
  position: absolute;
  top: 100%; left: -20px;
  width: 560px;
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 2px solid var(--navy);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 12px 40px rgba(0,0,0,.12);
  padding: 28px 24px 24px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 200;
  pointer-events: none;
}
.ddx-nav-item:hover .ddx-mega-menu {
  opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto;
}
.mega-col-icon {
  width: 32px; height: 32px;
  background: var(--ivory);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.mega-col-title {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--navy);
  text-transform: uppercase;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.mega-link {
  display: block;
  font-size: .82rem;
  color: var(--text-mid);
  padding: 4px 0;
  transition: color .15s, padding-left .15s;
  line-height: 1.5;
}
.mega-link:hover { color: var(--navy); padding-left: 4px; }

/* ── HERO ── */
.ddx-hero {
  padding-top: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  background: var(--navy-dark); /* fill padding-top area behind fixed navbar */
}

/* ── Admin bar compensation ──
   NOTE: html { margin-top: 32px/46px } is added by WordPress for admin bar.
   This shifts the ENTIRE document down, so hero/page-hero already start
   below the admin bar. We only need to account for the NAVBAR height.       */
.admin-bar .ddx-navbar       { top: 32px; }
.admin-bar .ddx-hero         { padding-top: 0; }  /* html{margin-top:32px} đã dịch trang xuống; hero-left padding tự xử lý */
.admin-bar .page-hero,
.admin-bar .ddx-page-hero    { padding-top: 120px; } /* same as non-admin-bar */
.admin-bar .cat-filter,
.admin-bar .ddx-cat-filter,
.admin-bar .filter-section   { top: 112px; }         /* 80px navbar + 32px admin bar */
@media screen and (max-width: 782px) {
  .admin-bar .ddx-navbar       { top: 46px; }
  .admin-bar .ddx-hero         { padding-top: 0; }
  .admin-bar .page-hero,
  .admin-bar .ddx-page-hero    { padding-top: 120px; }
  .admin-bar .cat-filter,
  .admin-bar .ddx-cat-filter,
  .admin-bar .filter-section   { top: 126px; }
}
.ddx-hero-left {
  background: var(--navy-dark);
  padding: clamp(48px,8vw,100px) var(--pad) clamp(48px,8vw,100px) clamp(32px,6vw,80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.ddx-hero-left::before {
  content: 'DDX';
  position: absolute;
  bottom: -20px; right: -10px;
  font-size: clamp(14vw,22vw,22vw);
  font-weight: 700;
  color: rgba(255,255,255,.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.ddx-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--gold-light);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 28px;
  width: fit-content;
}
.ddx-hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.ddx-hero-h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 300 !important;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--white);
  margin-bottom: 12px;
}
.ddx-hero-h1 em { color: var(--gold); font-style: normal; }
.ddx-hero-tagline {
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 24px;
}
.ddx-hero-desc {
  font-size: clamp(.88rem, 1.5vw, 1rem);
  line-height: 1.75;
  color: rgba(255,255,255,.7);
  max-width: 420px;
  margin-bottom: 36px;
}
.ddx-hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero right / slider */
.ddx-hero-right { position: relative; overflow: hidden; background: var(--navy-dark); }
.ddx-hero-slider { position: relative; width: 100%; height: 100%; }
.ddx-hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.ddx-hero-slide.active { opacity: 1; }
.ddx-hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.ddx-slider-dots { position: absolute; bottom: 16px; right: 20px; display: flex; gap: 6px; z-index: 3; }
.ddx-slider-dot {
  width: 6px; height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,.45);
  border: none;
  cursor: pointer;
  transition: all .4s ease;
  padding: 0;
  flex-shrink: 0;
}
.ddx-slider-dot.active { background: #fff; width: 20px; }

/* Hero stat card */
.ddx-hero-stat {
  position: absolute;
  bottom: 32px; left: -20px;
  background: var(--white);
  padding: 18px 22px;
  box-shadow: 0 8px 40px rgba(0,0,0,.15);
  z-index: 2;
}
.ddx-hero-stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.ddx-hero-stat-label {
  font-size: .72rem;
  color: var(--text-light);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 3px;
}

/* ── TRUST BAR ── */
.ddx-trust-bar { background: var(--navy); padding: 28px 0; }
.ddx-trust-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.ddx-trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 28px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.ddx-trust-item:first-child { padding-left: 0; }
.ddx-trust-item:last-child { border-right: none; }
.ddx-trust-icon { color: var(--gold); flex-shrink: 0; }
.ddx-trust-num { font-size: 1.9rem; font-weight: 700; color: var(--white); line-height: 1; }
.ddx-trust-label { font-size: .7rem; color: rgba(255,255,255,.6); letter-spacing: .08em; text-transform: uppercase; margin-top: 2px; }

/* ── ABOUT ── */
.ddx-about { padding: var(--sec-pad) 0; }
.ddx-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
.ddx-about-img-wrap { position: relative; }
.ddx-about-img-wrap img {
  width: 100%;
  height: clamp(280px,40vw,500px);
  object-fit: cover;
  object-position: center top;
  border-radius: 2px;
}
.ddx-about-img-accent {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 160px; height: 160px;
  background: var(--gold);
  z-index: -1;
}
.ddx-about-values { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.ddx-value-item { display: flex; gap: 14px; align-items: flex-start; }
.ddx-value-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
}
.ddx-value-title { font-weight: 600; font-size: .9rem; color: var(--navy-dark); margin-bottom: 3px; }
.ddx-value-desc { font-size: .84rem; color: var(--text-mid); line-height: 1.6; }

/* ── SMART FACTORY ── */
.ddx-smart { padding: var(--sec-pad) 0; background: var(--navy-dark); position: relative; overflow: hidden; }
.ddx-smart::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 40%; height: 100%;
  background: rgba(255,255,255,.02);
  clip-path: polygon(20% 0,100% 0,100% 100%,0 100%);
}
.ddx-smart .sec-label { color: var(--gold); }
.ddx-smart .sec-label::before { background: var(--gold); }
.ddx-smart .sec-title { color: var(--white); }
.ddx-smart .sec-sub { color: rgba(255,255,255,.6); }
.ddx-smart-header { margin-bottom: 48px; }
.ddx-smart-cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
}
.ddx-smart-card {
  background: var(--navy-dark);
  padding: clamp(24px,4vw,40px) clamp(20px,3vw,32px);
  transition: background .3s;
  position: relative;
  overflow: hidden;
}
.ddx-smart-card:hover { background: rgba(0,82,164,.6); }
.ddx-smart-card-num {
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(255,255,255,.06);
  position: absolute; top: 12px; right: 16px;
  line-height: 1;
}
.ddx-smart-icon {
  width: 48px; height: 48px;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; flex-shrink: 0;
}
.ddx-smart-card-title {
  font-size: clamp(1.1rem,2vw,1.4rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}
.ddx-smart-card-desc { font-size: .86rem; color: rgba(255,255,255,.6); line-height: 1.7; }
.ddx-smart-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  border-top: 1px solid var(--gold);
  padding-top: 10px;
}

/* ── SUPPLY CHAIN ── */
.ddx-supply { padding: var(--sec-pad) 0; background: var(--ivory); }
.ddx-supply-flow {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  margin-top: 48px;
  position: relative;
}
.ddx-supply-flow::before {
  content: '';
  position: absolute; top: 32px; left: 10%; right: 10%;
  height: 1.5px;
  background: var(--navy);
  opacity: .2; z-index: 0;
}
.ddx-supply-step {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 0 12px; position: relative; z-index: 1;
}
.ddx-supply-step-num {
  width: 64px; height: 64px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; flex-shrink: 0;
}
.ddx-supply-step-num span { font-size: 1.5rem; font-weight: 700; color: var(--white); }
.ddx-supply-step:last-child .ddx-supply-step-num { background: var(--gold); }
.ddx-supply-step-title { font-weight: 600; font-size: .88rem; color: var(--navy-dark); margin-bottom: 6px; }
.ddx-supply-step-desc { font-size: .8rem; color: var(--text-mid); line-height: 1.6; }
.ddx-supply-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 10px; }
.ddx-supply-tag {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(0,82,164,.08);
  padding: 2px 7px;
  border-radius: 2px;
}

/* ── TRADE ── */
.ddx-trade { padding: var(--sec-pad) 0; }
.ddx-trade-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,5vw,60px);
  align-items: center;
  margin-top: 48px;
}
.ddx-trade-channels { display: flex; flex-direction: column; gap: 14px; }
.ddx-trade-channel {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 20px;
  border: 1.5px solid var(--border);
  border-radius: 2px;
  transition: border-color .2s, box-shadow .2s;
}
.ddx-trade-channel:hover { border-color: var(--navy); box-shadow: 0 4px 20px rgba(0,82,164,.08); }
.ddx-trade-channel-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
}
.ddx-trade-channel-title { font-weight: 600; font-size: .92rem; color: var(--navy-dark); margin-bottom: 3px; }
.ddx-trade-channel-desc { font-size: .8rem; color: var(--text-mid); line-height: 1.5; }
.ddx-trade-img-wrap { border-radius: 2px; overflow: hidden; height: clamp(260px,35vw,400px); }
.ddx-trade-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* ── PARTNERS ── */
.ddx-partners { padding: var(--sec-pad) 0; background: var(--ivory); }
.ddx-partner-showroom { border-radius: 2px; overflow: hidden; height: clamp(200px,25vw,340px); margin-top: 40px; }
.ddx-partner-showroom img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.ddx-partner-logos {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 1px;
}
.ddx-partner-logo {
  background: var(--white);
  display: flex; align-items: stretch; justify-content: center;
  transition: background .2s;
  min-height: 110px;
}
.ddx-partner-logo:hover { background: var(--ivory); }
.ddx-partner-logo-inner {
  width: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 20px 12px;
}
.ddx-partner-logo-inner span {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-mid);
  white-space: nowrap;
  text-align: center;
}

/* ── COLLAB SECTION (Đối tác hợp tác) ── */
.ddx-collab { background: var(--white); }

/* ── STRATEGIC PARTNERS ── */
.ddx-strategic-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 40px 0 20px;
}
.ddx-strategic-label::before,
.ddx-strategic-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.ddx-strategic-label span {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-light);
  white-space: nowrap;
}
.ddx-strategic-label--second { margin-top: 44px; }

.ddx-strategic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.ddx-strategic-card {
  display: flex;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: 2px;
  overflow: hidden;
  transition: border-left-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.ddx-strategic-card:hover {
  border-left-color: var(--gold);
  box-shadow: 0 8px 32px rgba(0,0,0,.09);
  transform: translateY(-3px);
}
.ddx-strategic-img {
  width: 200px;
  flex-shrink: 0;
  overflow: hidden;
  align-self: stretch;
}
.ddx-strategic-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform .4s var(--ease);
}
.ddx-strategic-card:hover .ddx-strategic-img img { transform: scale(1.04); }
.ddx-strategic-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
}
.ddx-strategic-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(208,155,44,.1);
  border: 1px solid rgba(208,155,44,.25);
  border-radius: 20px;
  padding: 3px 10px;
  width: fit-content;
}
.ddx-strategic-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy-dark);
  margin: 0;
}
.ddx-strategic-name span {
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-mid);
}
.ddx-strategic-desc {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--text-mid);
  margin: 0;
}

/* ── MATERIAL PARTNER BLOCK ── */
.ddx-material-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 24px 28px;
  margin-bottom: 1px;
}
.ddx-material-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.ddx-material-tags span {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy);
  background: rgba(0,82,164,.07);
  border: 1px solid rgba(0,82,164,.18);
  border-radius: 2px;
  padding: 4px 12px;
  white-space: nowrap;
}
.ddx-material-desc {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--text-mid);
  margin: 0;
}

/* ── QUALITY ── */
.ddx-quality { padding: var(--sec-pad) 0; }
.ddx-quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
.ddx-qc-steps { display: flex; flex-direction: column; }
.ddx-qc-step {
  display: flex; gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.ddx-qc-step:last-child { border-bottom: none; }
.ddx-qc-step-num {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--warm-grey);
  min-width: 38px;
  line-height: 1;
}
.ddx-qc-step-title { font-weight: 600; font-size: .9rem; color: var(--navy-dark); margin-bottom: 4px; }
.ddx-qc-step-desc { font-size: .82rem; color: var(--text-mid); line-height: 1.6; }
.ddx-qc-img-wrap { border-radius: 2px; overflow: hidden; height: clamp(280px,40vw,500px); }
.ddx-qc-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

/* ── CONSULTATION PROCESS ── */
.ddx-process {
  padding: var(--sec-pad) 0;
  background: var(--ivory);
  position: relative;
  overflow: hidden;
}
.ddx-process-header {
  display: grid;
  grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr);
  gap: clamp(24px,5vw,64px);
  align-items: end;
  margin-bottom: 44px;
}
.ddx-process-header .sec-title { margin-bottom: 0; }
.ddx-process-header .sec-sub { margin-left: auto; }
.ddx-process-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.ddx-process-card {
  background: var(--white);
  padding: clamp(22px,3vw,30px);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}
.ddx-process-card:hover {
  box-shadow: 0 10px 32px rgba(0,82,164,.10);
  transform: translateY(-3px);
  z-index: 1;
}
.ddx-process-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
}
.ddx-process-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ddx-process-num {
  font-size: 2.4rem;
  line-height: 1;
  font-weight: 700;
  color: rgba(0,82,164,.10);
}
.ddx-process-title {
  font-size: 1.12rem;
  line-height: 1.25;
  color: var(--navy-dark);
  font-weight: 600;
  margin: 0 0 10px;
}
.ddx-process-desc {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--text-mid);
  margin: 0 0 20px;
}
.ddx-process-time {
  margin-top: auto;
  width: fit-content;
  color: var(--gold);
  border-top: 1px solid var(--gold);
  padding-top: 9px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* ── NEWS ── */
.ddx-news { padding: var(--sec-pad) 0; background: var(--white); }
.ddx-news-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 48px; flex-wrap: wrap; gap: 16px;
}
.ddx-news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.ddx-news-card {
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
  background: var(--white);
}
.ddx-news-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.10); transform: translateY(-3px); }
.ddx-news-card-img { display: block; height: 200px; overflow: hidden; position: relative; }
.ddx-news-card-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transition: transform .5s var(--ease);
}
.ddx-news-card:hover .ddx-news-card-img img { transform: scale(1.04); }
.ddx-news-card-body { padding: 22px 24px 24px; }
.ddx-news-card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.ddx-news-card-tag {
  font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--white); background: var(--navy); padding: 3px 9px; border-radius: 2px;
}
.ddx-news-card-tag.tag-event   { background: var(--gold); }
.ddx-news-card-tag.tag-partner { background: var(--navy-light); }
.ddx-news-card-tag.tag-export  { background: var(--navy-dark); }
.ddx-news-card-date { font-size: .75rem; color: var(--text-light); }
.ddx-news-card-title {
  font-size: 1.15rem; font-weight: 300;
  color: var(--navy-dark); line-height: 1.3; margin-bottom: 10px;
}
.ddx-news-card-title a { color: var(--navy-dark) !important; text-decoration: none; }
.ddx-news-card-title a:hover { color: var(--navy) !important; }
.ddx-news-card-excerpt { font-size: .84rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 18px; }
.ddx-news-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600; color: var(--navy) !important;
  letter-spacing: .05em; transition: gap .2s;
}
.ddx-news-card-link::after { content: '→'; }
.ddx-news-card:hover .ddx-news-card-link { gap: 10px; }

/* ── CTA SECTION ── */
.ddx-cta {
  padding: clamp(56px,8vw,100px) 0;
  background: var(--navy-dark);
  position: relative;
  overflow: hidden;
}
.ddx-cta::before {
  content: '';
  position: absolute; top: -40%; right: -10%;
  width: 500px; height: 500px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 50%;
}
.ddx-cta::after {
  content: '';
  position: absolute; top: -20%; right: -5%;
  width: 320px; height: 320px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 50%;
}
.ddx-cta-inner { text-align: center; position: relative; z-index: 1; }
.ddx-cta-title {
  font-size: clamp(1.8rem,4vw,3.5rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.1;
}
.ddx-cta-title em { color: var(--gold); font-style: normal; }
.ddx-cta-desc {
  font-size: clamp(.88rem,1.5vw,1rem);
  color: rgba(255,255,255,.6);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.ddx-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.ddx-cta-info {
  display: flex; justify-content: center;
  gap: clamp(20px,4vw,40px);
  margin-top: 44px; padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-wrap: wrap;
}
.ddx-cta-info-item { display: flex; align-items: center; gap: 10px; }
.ddx-cta-info-icon { color: var(--gold); flex-shrink: 0; }
.ddx-cta-info-text { font-size: .86rem; color: rgba(255,255,255,.7); }
.ddx-cta-info-text strong { color: var(--white); font-weight: 600; display: block; margin-bottom: 1px; }

/* ── FOOTER ── */
.ddx-footer { background: var(--black); padding: 52px 0 24px; }
.ddx-footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(24px,4vw,48px);
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.ddx-footer-brand-desc { font-size: .8rem; color: rgba(255,255,255,.4); line-height: 1.75; margin: 14px 0 18px; }
.ddx-footer-col-title {
  font-size: .7rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 14px;
}
.ddx-footer-links { display: flex; flex-direction: column; gap: 10px; }
.ddx-footer-links a {
  font-size: .83rem; color: rgba(255,255,255,.45);
  transition: color .2s; min-height: 32px; display: flex; align-items: center;
}
.ddx-footer-links a:hover { color: var(--white); }
.ddx-footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 20px; flex-wrap: wrap; gap: 10px;
}
.ddx-footer-copy,
.ddx-footer-legal { font-size: .74rem; color: rgba(255,255,255,.25); }

/* ── SCROLL ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-d1 { transition-delay: .08s; }
.fade-up-d2 { transition-delay: .16s; }
.fade-up-d3 { transition-delay: .24s; }

/* ── RESPONSIVE: TABLET (768–1023px) ── */
@media (max-width: 1023px) {
  .ddx-hero { grid-template-columns: 1fr; min-height: auto; }
  .ddx-hero-left { min-height: 60vh; padding: 80px var(--pad) 56px; }
  .ddx-hero-right { height: min(50vw,360px); }
  .ddx-hero-stat { left: var(--pad); bottom: 20px; }
  .ddx-about-grid,
  .ddx-trade-grid,
  .ddx-quality-grid { grid-template-columns: 1fr; gap: 32px; }
  .ddx-about-img-wrap img { height: 300px; }
  .ddx-about-img-accent { display: none; }
  .ddx-smart-cards { grid-template-columns: 1fr; }
  .ddx-trust-grid { grid-template-columns: repeat(2,1fr); }
  .ddx-trust-item { border-right: none; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .ddx-trust-item:nth-child(2n) { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.12); }
  .ddx-supply-flow { grid-template-columns: repeat(2,1fr); }
  .ddx-supply-flow::before { display: none; }
  .ddx-process-header { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
  .ddx-process-header .sec-sub { margin-left: 0; }
  .ddx-process-grid { grid-template-columns: repeat(2,1fr); }
  .ddx-partner-logos { grid-template-columns: repeat(3,1fr); }
  .ddx-strategic-grid { grid-template-columns: 1fr; }
  .ddx-strategic-img { width: 160px; }
  .ddx-footer-top { grid-template-columns: 1fr 1fr; }
  .ddx-nav-menu,
  .ddx-nav-cta { display: none; }
  .ddx-nav-toggle { display: flex; }
  .ddx-news-grid { grid-template-columns: 1fr 1fr; }
}

/* ── RESPONSIVE: MOBILE (<768px) ── */
@media (max-width: 767px) {
  .ddx-cat-btn { font-size: .72rem; padding: 7px 13px; }
  .ddx-cat-filter { padding: 14px 0; }
  .ddx-hero-left { min-height: auto; padding: 64px var(--pad) 48px; }
  .ddx-hero-right { height: min(80vw,320px); }
  .ddx-hero-btns { flex-direction: column; }
  .ddx-hero-btns a { width: 100%; justify-content: center; }
  .ddx-trust-grid { grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255,255,255,.12); }
  .ddx-trust-item { background: var(--navy); padding: 16px 12px; border: none; }
  .ddx-trust-item:nth-child(2n) { padding-left: 12px; border-left: none; }
  .ddx-supply-flow { grid-template-columns: 1fr 1fr; }
  .ddx-process-grid { grid-template-columns: 1fr; }
  .ddx-process-card { min-height: 0; }
  .ddx-partner-logos { grid-template-columns: repeat(2,1fr); }
  .ddx-strategic-img { width: 120px; }
  .ddx-strategic-body { padding: 16px 14px; }
  .ddx-strategic-name { font-size: 1rem; }
  .ddx-footer-top { grid-template-columns: 1fr; }
  .ddx-cta-info { flex-direction: column; align-items: center; gap: 14px; }
  .ddx-cta-btns { flex-direction: column; align-items: center; }
  .ddx-cta-btns a { width: 100%; max-width: 320px; }
  .ddx-footer-bottom { flex-direction: column; text-align: center; }
  .ddx-news-grid { grid-template-columns: 1fr; }
}

/* ── RESPONSIVE: SMALL MOBILE (<390px) ── */
@media (max-width: 389px) {
  .ddx-hero-h1 { font-size: 2rem; }
  .ddx-trust-grid { grid-template-columns: 1fr; }
  .ddx-trust-item:nth-child(2n) { border-left: none; }
}

/* ── ACCESSIBILITY ── */
@media (hover: none) and (pointer: coarse) {
  .ddx-trade-channel:hover,
  .ddx-process-card:hover,
  .ddx-partner-logo:hover { transform: none; box-shadow: none; }
  .btn-primary:hover,
  .btn-gold:hover { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; }
  * { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ── PAGE HERO (dùng cho các trang con) ── */
.ddx-page-hero {
  background: var(--navy-dark);
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}
.ddx-page-hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(0,56,117,.95) 0%, rgba(0,82,164,.8) 100%);
}
.ddx-page-hero::after {
  content: 'DDX';
  position: absolute; bottom: -20px; right: -10px;
  font-size: clamp(14vw,20vw,20vw); font-weight: 700;
  color: rgba(255,255,255,.03); line-height: 1;
  pointer-events: none; user-select: none;
}
.ddx-page-hero-inner { position: relative; z-index: 1; }
.ddx-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.ddx-breadcrumb a, .ddx-breadcrumb span { font-size: .8rem; color: rgba(255,255,255,.5); letter-spacing: .05em; }
.ddx-breadcrumb a:hover { color: rgba(255,255,255,.8); }
.ddx-breadcrumb-sep { color: rgba(255,255,255,.3); font-size: .75rem; }
.ddx-page-hero-title {
  font-size: clamp(2rem,5vw,3.8rem);
  font-weight: 300; color: var(--white); line-height: 1.1; margin-bottom: 12px;
}
.ddx-page-hero-sub { font-size: .95rem; color: rgba(255,255,255,.6); line-height: 1.6; max-width: 520px; }

/* ── ABOUT PAGE ── */
.ddx-about-page-hero::after {
  content: 'VE DDX';
  font-size: clamp(11vw,16vw,16vw) !important;
}
.ddx-section-split-head {
  display: grid;
  grid-template-columns: minmax(0,1.05fr) minmax(280px,.95fr);
  gap: clamp(24px,5vw,64px);
  align-items: end;
  margin-bottom: 44px;
}
.ddx-section-split-head .sec-title { margin-bottom: 0; }
.ddx-section-split-head .sec-sub { margin-left: auto; }
.ddx-company-profile { background: var(--white); }
.ddx-company-profile-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(360px,.9fr);
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
.ddx-company-copy p {
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text-mid);
  margin-bottom: 16px;
}
.ddx-company-facts {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 32px;
}
.ddx-company-fact {
  background: var(--ivory);
  padding: 18px 16px;
}
.ddx-company-fact-num {
  color: var(--navy);
  font-size: clamp(1.6rem,3vw,2.2rem);
  font-weight: 700;
  line-height: 1;
}
.ddx-company-fact-label {
  color: var(--text-mid);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 6px;
}
.ddx-company-visual {
  position: relative;
  min-height: 420px;
}
.ddx-company-visual img {
  width: 100%;
  height: clamp(360px,42vw,520px);
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: 2px;
}
.ddx-company-visual-note {
  position: absolute;
  left: -24px;
  bottom: 28px;
  max-width: 280px;
  background: var(--navy-dark);
  color: var(--white);
  padding: 20px 22px;
  box-shadow: 0 14px 36px rgba(0,0,0,.18);
}
.ddx-company-visual-note span {
  display: block;
  color: var(--gold);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ddx-company-visual-note strong {
  display: block;
  font-size: .96rem;
  line-height: 1.45;
  font-weight: 600;
}
.ddx-vmv { background: var(--ivory); }
.ddx-vmv-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.ddx-vmv-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--navy);
  padding: clamp(24px,3vw,34px);
  min-height: 260px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-top-color .25s var(--ease);
}
.ddx-vmv-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,.08);
  border-top-color: var(--gold);
}
.ddx-vmv-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.ddx-vmv-card h3,
.ddx-about-capability-card h3 {
  color: var(--navy-dark);
  font-size: 1.15rem;
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 12px;
}
.ddx-vmv-card p,
.ddx-about-capability-card p {
  color: var(--text-mid);
  font-size: .86rem;
  line-height: 1.7;
  margin: 0;
}
.ddx-operation { background: var(--white); }
.ddx-operation-grid {
  display: grid;
  grid-template-columns: minmax(340px,.9fr) minmax(0,1.1fr);
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
.ddx-operation-image {
  height: clamp(320px,40vw,500px);
  overflow: hidden;
  border-radius: 2px;
}
.ddx-operation-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.ddx-operation-steps {
  display: flex;
  flex-direction: column;
  margin-top: 28px;
}
.ddx-operation-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.ddx-operation-step:last-child { border-bottom: none; }
.ddx-operation-step span {
  color: var(--warm-grey);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}
.ddx-operation-step strong {
  display: block;
  color: var(--navy-dark);
  font-size: .95rem;
  margin-bottom: 5px;
}
.ddx-operation-step p {
  color: var(--text-mid);
  font-size: .84rem;
  line-height: 1.65;
  margin: 0;
}
.ddx-about-capability {
  background: var(--navy-dark);
  position: relative;
  overflow: hidden;
}
.ddx-about-capability .sec-title { color: var(--white); }
.ddx-about-capability-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: rgba(255,255,255,.12);
  margin-top: 44px;
}
.ddx-about-capability-card {
  background: var(--navy-dark);
  padding: clamp(24px,3vw,34px);
  min-height: 240px;
  transition: background .25s var(--ease);
}
.ddx-about-capability-card:hover { background: rgba(0,82,164,.58); }
.ddx-about-capability-card span {
  display: block;
  color: rgba(255,255,255,.12);
  font-size: 2.8rem;
  line-height: 1;
  font-weight: 700;
  margin-bottom: 22px;
}
.ddx-about-capability-card h3 { color: var(--white); }
.ddx-about-capability-card p { color: rgba(255,255,255,.64); }

/* ── INTRO SECTION (Sản phẩm) ── */
.ddx-intro-section { padding: var(--sec-pad) 0; background: var(--white); }
.ddx-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,6vw,80px); align-items: center; }
.ddx-intro-img { border-radius: 2px; overflow: hidden; height: clamp(260px,35vw,420px); }
.ddx-intro-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.ddx-intro-text p { font-size: .97rem; color: var(--text-mid); line-height: 1.85; margin-bottom: 16px; }
.ddx-intro-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 28px; }
.ddx-intro-stat { text-align: center; padding: 16px 12px; background: var(--ivory); border-radius: 2px; }
.ddx-intro-stat-num { font-size: 1.8rem; font-weight: 700; color: var(--navy); line-height: 1; }
.ddx-intro-stat-label { font-size: .72rem; color: var(--text-mid); letter-spacing: .06em; text-transform: uppercase; margin-top: 4px; }

/* ── CATEGORY FILTER ── */
.ddx-cat-filter {
  position: sticky; top: 80px; z-index: 50;
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 28px 0 20px;
}
.ddx-cat-filter-inner { display: flex; gap: 8px; flex-wrap: wrap; }
.ddx-cat-btn {
  -webkit-appearance: none; appearance: none;
  outline: none;
  font-family: inherit;
  font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: 8px 18px; border-radius: 2px;
  border: 1.5px solid var(--border); color: var(--text-mid);
  cursor: pointer; white-space: nowrap;
  transition: all .2s var(--ease); background: var(--white);
}
.ddx-cat-btn:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.ddx-cat-btn:hover { border-color: var(--navy) !important; color: var(--navy) !important; background: var(--white) !important; }
.ddx-cat-btn.active { background: var(--navy) !important; border-color: var(--navy) !important; color: var(--white) !important; }

/* ── PRODUCTS GRID ── */
.ddx-products-section { padding: var(--sec-pad) 0; }
.ddx-products-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 40px; }
.ddx-product-card {
  border: 1px solid var(--border); border-radius: 2px; overflow: hidden;
  background: var(--white); transition: box-shadow .3s var(--ease), transform .3s var(--ease);
  display: flex; flex-direction: column;
}
.ddx-product-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.10); transform: translateY(-3px); }
.ddx-product-img { height: 220px; overflow: hidden; position: relative; background: var(--ivory); }
.ddx-product-img img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .5s var(--ease); }
.ddx-product-card:hover .ddx-product-img img { transform: scale(1.04); }
.ddx-product-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.ddx-product-name { font-size: 1.2rem; font-weight: 300; color: var(--navy-dark); margin-bottom: 8px; line-height: 1.2; }
.ddx-product-price { font-size: .95rem; font-weight: 600; color: var(--gold); margin-bottom: 12px; }
.ddx-product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ddx-product-tag { font-size: .66rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px; background: rgba(0,82,164,.07); color: var(--navy); border-radius: 2px; }
.ddx-product-body .btn-primary { margin-top: auto; width: 100%; justify-content: center; font-size: .82rem; }
.btn-sm { padding: 9px 18px !important; font-size: .8rem !important; min-height: 38px !important; }

/* ── CONTACT LAYOUT ── */
.ddx-contact-section { padding: var(--sec-pad) 0; }
.ddx-contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: clamp(32px,5vw,64px); align-items: flex-start; }
.ddx-form-box { background: var(--white); border: 1px solid var(--border); border-radius: 2px; padding: 40px; }
.ddx-form-title { font-size: 1.8rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 8px; }
.ddx-form-sub { font-size: .88rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 28px; }
.ddx-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ddx-form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.ddx-form-label { font-size: .8rem; font-weight: 600; color: var(--text); letter-spacing: .03em; }
.ddx-form-label span { color: #c0392b; }
.ddx-form-input, .ddx-form-select, .ddx-form-textarea {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 2px; font-size: .93rem;
  color: var(--text); background: var(--white);
  transition: border-color .2s, box-shadow .2s; outline: none; font-family: inherit;
}
.ddx-form-input:focus, .ddx-form-select:focus, .ddx-form-textarea:focus {
  border-color: var(--navy); box-shadow: 0 0 0 3px rgba(0,82,164,.08);
}
.ddx-form-input::placeholder, .ddx-form-textarea::placeholder { color: var(--text-light); }
.ddx-form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer;
  -webkit-appearance: none; appearance: none;
}
.ddx-form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.ddx-form-checkbox { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 20px; }
.ddx-form-checkbox input[type="checkbox"] { width: 18px; height: 18px; min-width: 18px; border: 1.5px solid var(--border); border-radius: 2px; margin-top: 1px; cursor: pointer; accent-color: var(--navy); }
.ddx-form-checkbox label { font-size: .86rem; color: var(--text-mid); line-height: 1.5; cursor: pointer; }
.ddx-form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 16px 32px; min-height: 52px; }
.ddx-form-note { text-align: center; font-size: .78rem; color: var(--text-light); margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.ddx-info-cards { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.ddx-info-card { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--border); border-radius: 2px; transition: border-color .2s, box-shadow .2s; }
.ddx-info-card:hover { border-color: var(--navy); box-shadow: 0 4px 16px rgba(0,82,164,.06); }
.ddx-info-icon { width: 44px; height: 44px; min-width: 44px; background: var(--navy); display: flex; align-items: center; justify-content: center; border-radius: 2px; flex-shrink: 0; color: var(--white); }
.ddx-info-label { font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-light); margin-bottom: 4px; }
.ddx-info-value { font-size: .92rem; font-weight: 600; color: var(--navy-dark); line-height: 1.4; }
.ddx-info-value a { color: var(--navy); transition: color .2s; }
.ddx-info-value a:hover { color: var(--navy-dark); }
.ddx-contact-img { border-radius: 2px; overflow: hidden; height: 220px; margin-top: 4px; }
.ddx-contact-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* ── MAP SECTION ── */
.ddx-map-section { padding: 56px 0; background: var(--ivory); }
.ddx-map-embed { border-radius: 2px; overflow: hidden; margin-top: 32px; }
.ddx-map-embed iframe { width: 100%; height: 300px; border: 0; display: block; }

/* ── WHY BOX ── */
.ddx-why-section { padding: var(--sec-pad) 0; }
.ddx-why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 40px; }
.ddx-why-box { padding: 32px 28px; border: 1px solid var(--border); border-radius: 2px; text-align: center; transition: box-shadow .3s, transform .3s, border-color .3s; }
.ddx-why-box:hover { box-shadow: 0 8px 32px rgba(0,0,0,.08); transform: translateY(-3px); border-color: var(--navy); }
.ddx-why-icon { width: 56px; height: 56px; background: var(--navy); border-radius: 2px; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; color: var(--white); }
.ddx-why-title { font-size: 1.25rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 10px; }
.ddx-why-desc { font-size: .86rem; color: var(--text-mid); line-height: 1.7; }

/* ── NEWS PAGE ── */
.ddx-news-page { padding: var(--sec-pad) 0; }
.ddx-news-page-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.ddx-no-posts { text-align: center; padding: 60px 20px; color: var(--text-mid); }

/* ── SINGLE ARTICLE ── */
.ddx-article { padding: var(--sec-pad) 0; }
.ddx-article-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: flex-start; }
.ddx-article-body { font-size: 1rem; color: var(--text); line-height: 1.85; }
.ddx-article-body h2, .ddx-article-body h3 { color: var(--navy-dark); margin: 32px 0 14px; font-weight: 600; }
.ddx-article-body h2 { font-size: 1.5rem; }
.ddx-article-body h3 { font-size: 1.2rem; }
.ddx-article-body p { margin-bottom: 18px; }
.ddx-article-body img { border-radius: 2px; margin: 24px 0; }
.ddx-article-body ul, .ddx-article-body ol { margin: 0 0 18px 22px; }
.ddx-article-body li { margin-bottom: 8px; }
.ddx-article-body a { color: var(--navy); text-decoration: underline; }
.ddx-article-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.ddx-article-tag { font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--white); background: var(--navy); padding: 4px 10px; border-radius: 2px; }
.ddx-article-date { font-size: .8rem; color: var(--text-light); }
.ddx-article-sidebar { position: sticky; top: 100px; }
.ddx-sidebar-box { border: 1px solid var(--border); border-radius: 2px; padding: 24px; margin-bottom: 24px; }
.ddx-sidebar-title { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--navy); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.ddx-sidebar-post { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.ddx-sidebar-post:last-child { border-bottom: none; padding-bottom: 0; }
.ddx-sidebar-post-img { width: 64px; height: 64px; min-width: 64px; border-radius: 2px; overflow: hidden; }
.ddx-sidebar-post-img img { width: 100%; height: 100%; object-fit: cover; }
.ddx-sidebar-post-title { font-size: .82rem; font-weight: 600; color: var(--navy-dark); line-height: 1.3; }
.ddx-sidebar-post-date { font-size: .72rem; color: var(--text-light); margin-top: 4px; }

/* ── RESPONSIVE: thêm cho page templates ── */
@media (max-width: 1023px) {
  .ddx-intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .ddx-section-split-head,
  .ddx-company-profile-grid,
  .ddx-operation-grid { grid-template-columns: 1fr; gap: 32px; }
  .ddx-section-split-head .sec-sub { margin-left: 0; }
  .ddx-company-visual { min-height: 0; }
  .ddx-company-visual-note { left: 20px; right: 20px; bottom: 20px; max-width: none; }
  .ddx-vmv-grid { grid-template-columns: 1fr; }
  .ddx-about-capability-grid { grid-template-columns: repeat(2,1fr); }
  .ddx-products-grid { grid-template-columns: repeat(2,1fr); }
  .ddx-contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .ddx-why-grid { grid-template-columns: 1fr 1fr; }
  .ddx-news-page-grid { grid-template-columns: 1fr 1fr; }
  .ddx-article-grid { grid-template-columns: 1fr; }
  .ddx-article-sidebar { position: static; }
}
@media (max-width: 767px) {
  .ddx-products-grid { grid-template-columns: 1fr; }
  .ddx-company-facts { grid-template-columns: 1fr; }
  .ddx-company-visual img,
  .ddx-operation-image { height: 320px; }
  .ddx-company-visual-note { position: static; margin-top: 1px; box-shadow: none; }
  .ddx-about-capability-grid { grid-template-columns: 1fr; }
  .ddx-about-capability-card { min-height: 0; }
  .ddx-form-row { grid-template-columns: 1fr; }
  .ddx-why-grid { grid-template-columns: 1fr; }
  .ddx-news-page-grid { grid-template-columns: 1fr; }
  .ddx-form-box { padding: 24px 20px; }
}

/* ── Page-specific hero watermark text ── */
.page-tin-tuc .page-hero::after,
.page-tin-tuc .ddx-page-hero::after { content: 'TIN TỨC'; font-size: clamp(10vw,15vw,15vw) !important; }
.page-san-pham .page-hero::after,
.page-san-pham .ddx-page-hero::after,
.page-lien-he .page-hero::after,
.page-lien-he .ddx-page-hero::after { content: 'DDX'; font-size: clamp(14vw,20vw,20vw) !important; }

/* ── news-card title link colour ── */
.news-card-title a { color: inherit; text-decoration: none; }
.news-card-title a:hover { color: var(--navy); }