/* ==========================================================================
   In Chuyển Nhiệt 3D T&T - Apple iOS Design System & Storefront Theme
   ========================================================================== */

:root {
  /* Apple Brand & Accent Greens */
  --xanh-la: #16A34A;
  --xanh-dam: #0F6B16;
  --xanh-sang: #22C55E;
  --xanh-nhat: rgba(22, 163, 74, 0.08);
  --xanh-badge: rgba(22, 163, 74, 0.12);

  /* Apple Canvas & Neutrals */
  --nen-trang: #FFFFFF;
  --nen-xam: #F5F5F7;           /* Apple Signature Gray */
  --bg-card: #1D1D1F;           /* Apple Deep Charcoal Accent Card */
  
  /* Apple Typography Neutrals */
  --chu-dam: #1D1D1F;           /* Apple Primary Dark */
  --chu-vua: #424245;           /* Apple Medium Body */
  --chu-nhat: #86868B;          /* Apple Iconic Metadata Gray */
  --chu-sang: #E5E5EA;          /* Apple Light Divider */

  /* Apple Borders & Squircles */
  --border: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.04);
  --border-green: rgba(22, 163, 74, 0.22);

  /* Apple Radii */
  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius-card: 22px;          /* iOS Widget Squircle */
  --radius-large: 28px;         /* Featured Bento Box */
  --radius-pill: 9999px;        /* Apple Capsule Button */

  /* Apple Ambient Diffuse Shadows */
  --shadow-apple-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-apple: 0 4px 20px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-apple-hover: 0 16px 36px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.03);
  --shadow-apple-dark: 0 16px 40px rgba(0, 0, 0, 0.22);

  /* Apple Typography Stack */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Be Vietnam Pro", "Inter", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Be Vietnam Pro", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #FFFFFF;
  color: var(--chu-dam);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  overflow-x: hidden !important;
  max-width: 100vw;
  width: 100%;
}

.site-wrapper {
  overflow-x: hidden !important;
  width: 100%;
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6, .display {
  font-family: var(--font-display);
  margin: 0;
  color: var(--chu-dam);
  letter-spacing: -0.025em;
  font-weight: 700;
}

p, ol, ul, figure {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

a:hover {
  color: var(--xanh-dam);
}

img, svg, video, canvas, iframe {
  display: block;
  max-width: 100%;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
}

mark {
  background: var(--xanh-nhat);
  color: var(--xanh-dam);
  padding: 4px 10px !important;
  border-radius: 6px;
  border: 1px solid rgba(22, 163, 74, 0.18);
  display: inline-block;
  line-height: 1.35;
}

/* ==========================================================================
   Apple Capsule / Pill Buttons & Links
   ========================================================================== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--xanh-la);
  color: #FFFFFF !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: -0.01em;
  box-shadow: 0 2px 10px rgba(22, 163, 74, 0.28);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background: var(--xanh-dam);
  transform: scale(1.02);
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.38);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.04) !important;
  color: var(--chu-dam) !important;
  border: 1px solid rgba(0, 0, 0, 0.12) !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline:hover {
  background: rgba(0, 0, 0, 0.08) !important;
  border-color: rgba(0, 0, 0, 0.2) !important;
  transform: scale(1.02);
}

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

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--chu-dam);
  cursor: pointer;
  box-shadow: var(--shadow-apple-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-pill:hover {
  background: var(--xanh-nhat);
  border-color: var(--xanh-la);
  color: var(--xanh-dam);
  transform: translateY(-1px);
}

/* Universal Pill Button Override */
.btn,
.tech-nav-btn,
a[class*="btn"],
button[class*="btn"],
a[style*="border-radius: 10px"],
button[style*="border-radius: 10px"],
a[style*="border-radius: 8px"],
button[style*="border-radius: 8px"] {
  border-radius: var(--radius-pill) !important;
  font-weight: 600 !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Secondary outline buttons */
a[style*="border: 2px solid"],
button[style*="border: 2px solid"] {
  border: 1px solid rgba(0, 0, 0, 0.14) !important;
  background: rgba(0, 0, 0, 0.04) !important;
  color: var(--chu-dam) !important;
  border-radius: var(--radius-pill) !important;
}

a[style*="border: 2px solid"]:hover,
button[style*="border: 2px solid"]:hover {
  background: rgba(0, 0, 0, 0.08) !important;
  border-color: rgba(0, 0, 0, 0.22) !important;
  transform: scale(1.02);
}

/* Outline buttons inside dark containers (High Contrast White) */
[style*="background: #10170F"] a[style*="border: 2px solid"],
[style*="background: #10170F"] button[style*="border: 2px solid"],
[style*="background:#10170F"] a[style*="border: 2px solid"],
[style*="background:#10170F"] button[style*="border: 2px solid"],
.cta-dark-card a.btn-cta-outline,
.cta-dark-card a[style*="border: 2px solid"],
.cta-dark-card button[style*="border: 2px solid"],
a.btn-cta-outline {
  border: 2px solid #FFFFFF !important;
  background: rgba(255, 255, 255, 0.08) !important;
  color: #FFFFFF !important;
  font-weight: 700 !important;
  border-radius: var(--radius-pill) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}

[style*="background: #10170F"] a[style*="border: 2px solid"] *,
[style*="background: #10170F"] button[style*="border: 2px solid"] *,
[style*="background:#10170F"] a[style*="border: 2px solid"] *,
[style*="background:#10170F"] button[style*="border: 2px solid"] *,
.cta-dark-card a.btn-cta-outline *,
.cta-dark-card a[style*="border: 2px solid"] *,
.cta-dark-card button[style*="border: 2px solid"] *,
a.btn-cta-outline * {
  color: #FFFFFF !important;
  font-weight: 700 !important;
}

[style*="background: #10170F"] a[style*="border: 2px solid"]:hover,
[style*="background: #10170F"] button[style*="border: 2px solid"]:hover,
[style*="background:#10170F"] a[style*="border: 2px solid"]:hover,
[style*="background:#10170F"] button[style*="border: 2px solid"]:hover,
.cta-dark-card a.btn-cta-outline:hover,
.cta-dark-card a[style*="border: 2px solid"]:hover,
.cta-dark-card button[style*="border: 2px solid"]:hover,
a.btn-cta-outline:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  border-color: #FFFFFF !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

.navlink {
  text-decoration: none;
  color: var(--chu-dam);
  font-weight: 500;
  font-size: 14px;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  letter-spacing: -0.01em;
  opacity: 0.88;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
}

.navlink:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.04);
  color: var(--xanh-dam);
  text-decoration: none !important;
}

.navlink.active {
  opacity: 1;
  background: rgba(22, 163, 74, 0.1);
  color: var(--xanh-dam);
  font-weight: 600;
  text-decoration: none !important;
}

.sitetile {
  height: 32px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-pill);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sitetile:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* ==========================================================================
   Shell & Container
   ========================================================================== */

.site-wrapper {
  width: 100%;
  max-width: 100%;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  position: relative;
  box-shadow: none;
  overflow-x: clip;
}

.site-container {
  width: 100%;
  padding-left: clamp(20px, 6vw, 120px);
  padding-right: clamp(20px, 6vw, 120px);
}

/* Full-width edge-to-edge layout on desktop without boxy cuts */
@media (min-width: 1025px) {
  .system-nav {
    padding: 0 clamp(20px, 3vw, 48px) !important;
  }

  .main-header {
    padding: 0 clamp(20px, 3vw, 48px) !important;
  }

  .site-wrapper > main > section:not(.stats-section),
  .site-wrapper > section:not(.stats-section),
  .service-pane > section,
  .services-header-nav,
  .site-footer,
  .site-container,
  nav[aria-label="Breadcrumb"],
  article.site-container {
    padding-left: max(32px, calc((100% - 1240px) / 2)) !important;
    padding-right: max(32px, calc((100% - 1240px) / 2)) !important;
  }

  .stats-section {
    max-width: 1240px !important;
    width: calc(100% - 64px) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: clamp(24px, 5vw, 64px) !important;
    padding-right: clamp(24px, 5vw, 64px) !important;
  }
}

@media (max-width: 1320px) and (min-width: 1025px) {
  .main-header {
    padding: 0 16px !important;
  }
  .main-nav .navlink,
  .main-nav .dropdown-trigger {
    padding: 6px 6px !important;
    font-size: 13px !important;
  }
}

/* ==========================================================================
   Top System Navigation & Apple Frosted Glass Header
   ========================================================================== */

.system-nav {
  height: 40px;
  flex-shrink: 0;
  padding: 0 clamp(20px, 4vw, 80px);
  background: rgba(29, 29, 31, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 101;
  font-size: 13px;
  color: #FFFFFF;
}

.main-header {
  height: 76px;
  flex-shrink: 0;
  padding: 0 clamp(16px, 2.5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.82) !important;
  backdrop-filter: saturate(180%) blur(20px) !important;
  -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  gap: 12px;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease, border-color 0.3s ease, box-shadow 0.35s ease;
  will-change: transform;
}

.main-header.header-hidden {
  transform: translateY(-100%) !important;
}

.main-header.header-pinned {
  transform: translateY(0);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.main-header:focus-within {
  transform: translateY(0) !important;
}

.main-header .site-logo {
  height: 48px;
  width: auto;
  max-width: none !important;
  display: block;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Dropdown Menu (Frosted Glass) */
.dropdown-trigger {
  position: relative;
  background: transparent;
  border: 0;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--chu-dam);
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-trigger:hover, .dropdown-trigger[aria-expanded="true"] {
  background: rgba(0, 0, 0, 0.04);
  color: var(--xanh-dam);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  transform: none;
  margin-top: 14px;
  width: 760px;
  max-width: calc(100vw - 32px);
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.12);
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  z-index: 1100;
}

/* Cart Button */
.cart-btn {
  position: relative;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-pill);
  text-decoration: none;
  color: var(--chu-dam);
  background: rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}

.cart-btn:hover {
  background: rgba(0, 0, 0, 0.06);
  transform: scale(1.04);
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: var(--xanh-la);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.4);
}

.header-cta-btn {
  height: 42px;
  padding: 0 20px;
  font-size: 14.5px;
  white-space: nowrap;
  border-radius: var(--radius-pill) !important;
}

/* ==========================================================================
   Language Switcher (4 Languages: VI, EN, JA, ZH) & Google Translate Clean
   ========================================================================== */
.lang-switcher-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.lang-switcher-btn {
  height: 42px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-pill);
  color: var(--chu-dam);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
  user-select: none;
}

.lang-switcher-btn:hover,
.lang-switcher-btn[aria-expanded="true"] {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(22, 163, 74, 0.35);
  color: var(--xanh-dam);
}

.lang-globe-icon {
  color: var(--xanh-dam);
  flex-shrink: 0;
}

.current-lang-code {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 13px;
}

.lang-chevron-icon {
  transition: transform 0.2s ease;
  opacity: 0.7;
}

.lang-switcher-btn[aria-expanded="true"] .lang-chevron-icon {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 175px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  z-index: 1200;
  box-sizing: border-box;
}

.lang-option-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--chu-dam);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.lang-item-content {
  display: flex;
  align-items: center;
  gap: 9px;
}

.lang-flag {
  font-size: 16px;
  line-height: 1;
}

.lang-name {
  font-size: 13.5px;
}

.lang-option-item:hover {
  background: rgba(22, 163, 74, 0.08);
  color: var(--xanh-dam);
}

.lang-option-item.active {
  background: rgba(22, 163, 74, 0.12);
  color: var(--xanh-dam);
  font-weight: 700;
}

.lang-option-item .lang-check-icon {
  display: none;
}

.lang-option-item.active .lang-check-icon {
  display: block;
}

/* Mobile Language Section */
.mobile-lang-section {
  padding: 4px 0 14px;
  border-bottom: 1px solid #EDF1EB;
}

.mobile-lang-title {
  padding: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--chu-nhat);
  margin: 0;
}

.mobile-lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mobile-lang-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #E5E7EB;
  background: #FFFFFF;
  color: var(--chu-dam);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mobile-lang-label {
  display: flex;
  align-items: center;
  gap: 7px;
}

.mobile-lang-btn:hover {
  border-color: var(--xanh-la);
  background: #FAFAFA;
}

.mobile-lang-btn.active {
  border-color: var(--xanh-la);
  background: rgba(22, 163, 74, 0.08);
  color: var(--xanh-dam);
  font-weight: 700;
}

.mobile-lang-btn .lang-check-icon {
  display: none;
  color: var(--xanh-dam);
}

.mobile-lang-btn.active .lang-check-icon {
  display: block;
}

/* Hide Google Translate top banner, tooltips, and prevent body shift */
.goog-te-banner-frame.skiptranslate,
.goog-te-banner-frame,
iframe.goog-te-banner-frame {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

body {
  top: 0px !important;
  position: static !important;
}

#google_translate_element {
  display: none !important;
}

body > .skiptranslate {
  display: none !important;
}

.goog-tooltip,
.goog-tooltip:hover,
#goog-gt-tt,
.goog-te-balloon-frame {
  display: none !important;
  visibility: hidden !important;
}

.goog-text-highlight {
  background-color: transparent !important;
  box-shadow: none !important;
}

/* ==========================================================================
   Apple Bento Grid & Squircles
   ========================================================================== */

/* Universal Squircle Card Rule for Bento layout */
article:not([style*="background"]),
.card:not([style*="background"]),
.swatch-card,
.partner-card,
.reason-card,
.tech-card,
.stat-card,
figure:not([style*="background"]) {
  border-radius: var(--radius-card) !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  box-shadow: var(--shadow-apple) !important;
  background: #FFFFFF;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.project-card {
  padding: 16px !important;
  border-radius: var(--radius-card, 22px) !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  box-shadow: var(--shadow-apple) !important;
  background: #FFFFFF !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 14px !important;
  box-sizing: border-box !important;
}

.contact-matrix-card {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-shadow: 0 2px 8px rgba(16, 23, 15, 0.04);
}
.contact-matrix-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(16, 23, 15, 0.09) !important;
}

.project-img-box {
  width: 100% !important;
  border-radius: 14px !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
  padding: 0 !important;
}

.project-card .project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

article:hover,
.card:hover,
.project-card:hover,
.reason-card:hover,
.tech-card:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-apple-hover) !important;
}

/* Hero Section */
.hero-section {
  padding: 64px clamp(20px, 6vw, 120px);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 56px;
}

.hero-content {
  width: 620px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.hero-heading {
  font-size: clamp(38px, 4.5vw, 58px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--chu-dam);
}

.hero-tags {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tag {
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--chu-vua);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
}

.hero-tag:hover {
  background: var(--xanh-nhat);
  color: var(--xanh-dam);
}

/* Stats Section Bento Card */
.stats-section {
  padding: 44px clamp(24px, 5vw, 64px);
  background: #1D1D1F !important;
  border-radius: var(--radius-large) !important;
  box-shadow: var(--shadow-apple-dark);
  margin: 16px clamp(20px, 6vw, 120px) 48px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Swatches Grid */
.swatches-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 1024px) {
  .swatches-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .swatches-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.swatch-card {
  margin: 0;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  box-shadow: var(--shadow-apple-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s ease;
}

.swatch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(16, 23, 15, 0.12);
}

.swatch-visual {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.fabric-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.swatch-card:hover .fabric-overlay {
  transform: scale(1.08);
}

.fabric-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(16, 23, 15, 0.72);
  color: #FFFFFF;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  line-height: 1.3;
  pointer-events: none;
  letter-spacing: 0.02em;
}

/* Partners Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.partner-card {
  height: 78px;
  border-radius: var(--radius-sm) !important;
  border: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8px;
  background: #FFFFFF;
}

/* Reason Cards */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 1024px) {
  .reasons-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.reason-card {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Techs Grid */
.techs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 1024px) {
  .techs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.tech-card {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-card:hover {
  border-color: rgba(22, 163, 74, 0.3);
  box-shadow: var(--shadow-apple-hover);
}

/* Steps Flow */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 16px;
}
.step-item:hover .step-icon-badge {
  transform: translateY(-2px) scale(1.08) !important;
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.45) !important;
}

.step-time-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: #4ADE80;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.2;
}

@media (max-width: 1100px) {
  .steps-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Fabrics Table (Apple Clean) */
.custom-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-apple-sm);
}

.custom-table th, .custom-table td {
  padding: 18px 22px;
  text-align: left;
}

.custom-table thead tr {
  background: rgba(0, 0, 0, 0.02);
}

.custom-table th {
  font-weight: 600;
  font-size: 14px;
  color: var(--chu-vua);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.custom-table tbody tr {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  transition: background-color 0.15s ease;
}

.custom-table tbody tr:hover {
  background-color: var(--xanh-nhat);
}

/* ==========================================================================
   Apple iOS Form Inputs & Controls
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="file"],
select,
textarea,
.form-input {
  width: 100%;
  border-radius: var(--radius-sm) !important;
  border: 1px solid #D2D2D7 !important;
  background: #FFFFFF !important;
  padding: 13px 18px !important;
  font-size: 15px !important;
  font-family: var(--font-body) !important;
  color: var(--chu-dam) !important;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02) !important;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus,
.form-input:focus {
  border-color: var(--xanh-la) !important;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.15) !important;
  outline: none !important;
}

input[type="file"] {
  padding: 10px 14px !important;
  background: #F5F5F7 !important;
  border: 1px dashed #D2D2D7 !important;
  cursor: pointer;
}

/* ==========================================================================
   Back To Top Floating Button (Positioned above Chat Box)
   ========================================================================== */
.back-to-top-btn {
  position: fixed;
  right: 28px;
  bottom: 210px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(16, 23, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28), 0 2px 6px rgba(0, 0, 0, 0.12);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.88);
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.2s ease, 
              color 0.2s ease, 
              border-color 0.2s ease, 
              box-shadow 0.2s ease;
  outline: none;
  user-select: none;
}

.back-to-top-btn.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top-btn:hover {
  background: var(--xanh-la);
  border-color: #22C55E;
  color: #FFFFFF;
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 28px rgba(22, 163, 74, 0.45);
}

.back-to-top-btn:active {
  transform: translateY(0) scale(0.96);
}

.back-to-top-btn svg {
  transition: transform 0.2s ease;
}

.back-to-top-btn:hover svg {
  transform: translateY(-2px);
}

.back-to-top-btn.chat-dialog-open {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(12px) scale(0.88) !important;
}

/* ==========================================================================
   Apple Floating AI Chatbot Widget
   ========================================================================== */

.ai-chatbot-widget {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

.ai-chat-btn {
  height: 54px;
  padding: 0 22px;
  border: 0;
  background: var(--xanh-la);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chat-btn:hover {
  background: var(--xanh-dam);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 28px rgba(22, 163, 74, 0.45);
}

.ai-chat-dialog {
  width: 380px;
  max-width: calc(100vw - 32px);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: chatSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.ai-chat-header {
  padding: 16px 20px;
  background: #1D1D1F;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ai-chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 480px;
  overflow-y: auto;
}

.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--xanh-dam);
  animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1.1); opacity: 1; }
}

/* ==========================================================================
   Apple Footer
   ========================================================================== */

.site-footer {
  background: #FFFFFF;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 64px clamp(20px, 4vw, 80px) 32px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.6fr;
  gap: 40px;
}

@media (max-width: 1080px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 900px) {
  .site-footer {
    padding: 40px 20px 24px;
  }
}

/* ==========================================================================
   Responsive & Mobile Overrides
   ========================================================================== */

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-pill);
  color: var(--chu-dam);
  transition: background 0.2s ease;
}

.mobile-nav-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

@media (max-width: 1240px) {
  .main-nav {
    gap: 2px;
    font-size: 13.5px;
  }
  .system-nav-badge {
    display: none !important;
  }
}

@media (max-width: 1100px) {
  .main-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .system-nav, .main-header, .hero-section {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero-section {
    flex-direction: column;
    padding-top: 36px;
    padding-bottom: 36px;
    gap: 32px;
  }
  .hero-content {
    width: 100%;
  }
  .stats-section {
    grid-template-columns: repeat(2, 1fr);
    margin: 16px 20px 36px;
  }
}

@media (max-width: 991px) {
  .site-wrapper > main > section,
  .site-wrapper > section {
    padding-left: clamp(16px, 4vw, 32px) !important;
    padding-right: clamp(16px, 4vw, 32px) !important;
    padding-top: clamp(40px, 6vw, 64px) !important;
    padding-bottom: clamp(40px, 6vw, 64px) !important;
  }

  .site-wrapper > main section[style*="display: flex"],
  .site-wrapper > main section[style*="display:flex"] {
    flex-wrap: wrap !important;
  }
}

/* ==========================================================================
   Modern Product Gallery Showcase (#du-an)
   ========================================================================== */

.product-gallery-section {
  position: relative;
}

.gallery-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.gallery-filter-btn {
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid #DDE4DA;
  background: #FFFFFF;
  color: #2F3B2E;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.gallery-filter-btn:hover {
  background: #F0F4EE;
  color: #10170F;
  border-color: #B8C7B5;
}

.gallery-filter-btn.active {
  background: #10170F;
  color: #FFFFFF;
  border-color: #10170F;
  box-shadow: 0 4px 14px rgba(16, 23, 15, 0.2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #E8ECE6;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, opacity 0.3s ease;
}

.gallery-item.hidden-by-filter {
  display: none !important;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(16, 23, 15, 0.16);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.06);
}

/* Watermark */
.gallery-watermark {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 3;
  display: flex;
  align-items: center;
  background: rgba(16, 23, 15, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 7px;
  padding: 3px 7px;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.gallery-watermark img {
  height: 16px;
  width: auto;
  display: block;
}

/* Tag */
.gallery-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  background: rgba(16, 23, 15, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #A8E04A;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  pointer-events: none;
}

/* Hover Overlay */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 23, 15, 0) 35%, rgba(16, 23, 15, 0.94) 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px 18px;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #5DCA55;
  margin-bottom: 4px;
}

.gallery-overlay-title {
  color: #FFFFFF;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
}

.gallery-overlay-desc {
  color: rgba(255, 255, 255, 0.82);
  font-size: 12.5px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gallery-overlay-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #5DCA55;
  font-size: 12px;
  font-weight: 700;
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Lightbox Modal */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lightbox-dialog {
  position: relative;
  z-index: 2;
  width: 90vw;
  max-width: 1080px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.lightbox-close-btn {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: #FFFFFF;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(16, 23, 15, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #FFFFFF;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox-nav-btn:hover {
  background: #19921E;
  transform: translateY(-50%) scale(1.1);
}

.lightbox-prev-btn {
  left: -24px;
}

.lightbox-next-btn {
  right: -24px;
}

.lightbox-content {
  background: #141C13;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  max-height: 82vh;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-media-wrap {
  position: relative;
  background: #0B100A;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 100%;
}

.lightbox-media-wrap img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  display: block;
}

.lightbox-watermark {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(16, 23, 15, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 4px 10px;
  pointer-events: none;
}

.lightbox-watermark img {
  height: 20px;
  width: auto;
  display: block;
}

.lightbox-info {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #FFFFFF;
}

.lightbox-tag {
  background: rgba(168, 224, 74, 0.15);
  color: #A8E04A;
  border: 1px solid rgba(168, 224, 74, 0.3);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}

.lightbox-counter {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
}

.lightbox-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  margin: 10px 0;
}

.lightbox-desc {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Service Sublimation Hero Media Layout (Desktop side-by-side)
   ========================================================================== */

.service-hero-media {
  flex: 1 1 0%;
  min-width: 0;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.service-media-card {
  height: 380px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  border: 1px solid #DDE4DA;
  background: #FAFBF9;
}
.service-media-printer {
  position: relative;
}
.service-media-printer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.service-media-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 14px;
  background: linear-gradient(180deg, transparent 0%, rgba(16, 23, 15, 0.85) 100%);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  pointer-events: none;
}
.service-media-cert {
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.service-media-cert a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.service-media-cert img {
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease;
}
.service-media-cert:hover img {
  transform: scale(1.02);
}

/* ==========================================================================
   MULTI-PAGE COMPREHENSIVE RESPONSIVE STYLES (ALL SUBPAGES)
   ========================================================================== */

/* Tablet & Smaller Desktop (max-width: 1024px) */
@media (max-width: 1024px) {
  /* Service Hero Sublimation Stack */
  .service-hero-sublimation {
    flex-direction: column !important;
    gap: 24px !important;
  }
  .service-hero-text {
    flex: none !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .service-hero-media {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    width: 100% !important;
  }
  .service-media-card {
    width: 100% !important;
  }
  .service-media-printer {
    height: 240px !important;
  }
  .service-media-cert {
    height: auto !important;
    padding: 12px !important;
  }
  .service-media-cert a {
    height: auto !important;
  }
  .service-media-cert img {
    height: auto !important;
    max-height: 480px !important;
    width: 100% !important;
    object-fit: contain !important;
  }

  /* Gallery Grid Tablet */
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 16px !important;
  }
  .lightbox-content {
    grid-template-columns: 1fr !important;
    max-height: 88vh !important;
    overflow-y: auto !important;
  }
  .lightbox-media-wrap {
    height: 50vh !important;
  }
  .lightbox-info {
    padding: 20px !important;
  }
  .lightbox-prev-btn { left: 8px !important; }
  .lightbox-next-btn { right: 8px !important; }

  /* 1. All Multi-column Flex Sections Collapse Vertically */
  #demo-360,
  #hieu-cong-nghe,
  #gioi-thieu,
  #hoi-dap,
  #bao-gia,
  .site-wrapper > main > section[style*="display: flex"],
  .site-wrapper > main > section[style*="display:flex"],
  .service-pane > section[style*="display: flex"],
  .service-pane > section[style*="display:flex"],
  section[style*="display: flex; gap: 56px"],
  section[style*="display: flex; gap: 48px"],
  section[style*="justify-content: space-between"] {
    flex-direction: column !important;
    gap: 32px !important;
    align-items: stretch !important;
  }

  /* 2. Reset All Desktop Fixed Widths to 100% */
  #demo-360 > div,
  #hieu-cong-nghe > div,
  #gioi-thieu > div,
  #hoi-dap > div,
  #bao-gia > div,
  #bao-gia > form,
  div[style*="width: 260px"],
  div[style*="width: 300px"],
  div[style*="width: 320px"],
  div[style*="width: 340px"],
  div[style*="width: 360px"],
  div[style*="width: 380px"],
  div[style*="width: 420px"],
  div[style*="width: 440px"],
  div[style*="width: 460px"],
  div[style*="width: 480px"],
  div[style*="width: 500px"],
  div[style*="width: 520px"],
  div[style*="width: 600px"],
  div[style*="width: 620px"],
  div[style*="width: 640px"],
  div[style*="width: 660px"],
  div[style*="width: 720px"],
  div[style*="width: 740px"],
  div[style*="width: 780px"],
  div[style*="width: 820px"],
  div[style*="width: 840px"],
  div[style*="width: 860px"],
  div[style*="width: 900px"],
  div[style*="width: 960px"] {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  /* 3. Section Containers Padding on Tablet */
  section,
  .site-container,
  .site-wrapper > main > section,
  .site-wrapper > section,
  .service-pane > section,
  section[id] {
    padding-left: clamp(20px, 4vw, 36px) !important;
    padding-right: clamp(20px, 4vw, 36px) !important;
    box-sizing: border-box !important;
    max-width: 100vw !important;
  }

  .demo-visual-card {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    padding: 24px 16px !important;
  }

  /* 4. Grids Scaling on Tablet */
  .swatches-grid,
  div[style*="repeat(7, minmax(0, 1fr))"] {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  .steps-grid,
  ol[style*="repeat(7, minmax(0, 1fr))"] {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 24px !important;
  }

  .partners-grid,
  div[style*="repeat(5, minmax(0, 1fr))"] {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }

  .projects-grid,
  .factory-stats-grid,
  div[style*="repeat(4, minmax(0, 1fr))"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 20px !important;
  }

  .techs-grid,
  .reasons-grid,
  div[style*="repeat(3, minmax(0, 1fr))"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 20px !important;
  }
}

/* Medium Tablets & Mobile Landscape (max-width: 768px) */
@media (max-width: 768px) {
  /* Typography Scaling */
  h1, .hero-heading {
    font-size: clamp(26px, 6.2vw, 36px) !important;
    line-height: 1.16 !important;
    word-break: break-word !important;
  }
  h2 {
    font-size: clamp(21px, 5vw, 28px) !important;
    line-height: 1.22 !important;
    word-break: break-word !important;
  }
  h3 {
    font-size: clamp(16px, 4vw, 20px) !important;
  }
  p {
    word-break: break-word;
  }

  /* Aside / Main Stack */
  aside, main, nav {
    min-width: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  /* Site Container Direct Flex Children Stack Vertically */
  .site-container > div[style*="display: flex"],
  .site-container > div[style*="display:flex"] {
    flex-direction: column !important;
    gap: 24px !important;
    align-items: stretch !important;
  }
  .site-container > div[style*="display: flex"] > *,
  .site-container > div[style*="display:flex"] > * {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  /* Grids to 1 or 2 Columns */
  .projects-grid,
  div[style*="repeat(4, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  div[style*="repeat(3, minmax(0, 1fr))"],
  div[style*="repeat(2, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  input, select, textarea, button {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Navigation & Stats */
  .system-nav {
    height: auto;
    min-height: 40px;
    padding: 8px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .system-nav-right {
    font-size: 12px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .top-header-divider {
    display: none;
  }
  .stats-section,
  section[aria-label="Năng lực bằng con số"],
  section[aria-label="Con số năng lực"],
  .factory-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    margin: 20px 16px 36px !important;
    padding: 32px 24px !important;
    gap: 20px 16px !important;
    box-sizing: border-box !important;
    border-radius: 22px !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22) !important;
  }

  .demo-visual-card {
    height: auto !important;
    padding: 24px 16px !important;
  }

  /* 3D Demo Canvas Height & Layout */
  #demo360-workspace {
    flex-direction: column !important;
  }
  #demo360-workspace > main {
    order: -1 !important;
    margin-bottom: 8px !important;
  }
  #three-canvas {
    height: 380px !important;
  }
  .stage3d-viewport {
    min-height: 380px !important;
    height: 380px !important;
  }

  /* CTA Dark Cards & Button Containment on Tablet / Mobile */
  .compare-cta-section,
  section[style*="padding: 0 100px 72px"],
  section[style*="padding: 72px 100px"] {
    padding-left: 20px !important;
    padding-right: 20px !important;
    padding-bottom: 40px !important;
    padding-top: 20px !important;
    box-sizing: border-box !important;
    max-width: 100vw !important;
  }

  .cta-dark-card,
  div[style*="background: #10170F"][style*="border-radius: 16px"],
  div[style*="background:#10170F"][style*="border-radius: 16px"] {
    padding: 36px 28px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 24px !important;
  }

  .cta-dark-card > div:first-child,
  div[style*="background: #10170F"][style*="border-radius: 16px"] > div:first-child,
  div[style*="background:#10170F"][style*="border-radius: 16px"] > div:first-child {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .cta-dark-actions,
  .cta-dark-card > div:last-child:not(:first-child),
  div[style*="background: #10170F"][style*="border-radius: 16px"] > div:last-child:not(:first-child),
  div[style*="background:#10170F"][style*="border-radius: 16px"] > div:last-child:not(:first-child) {
    width: 100% !important;
    max-width: 100% !important;
    flex-direction: column !important;
    align-items: stretch !important;
    flex-shrink: 1 !important;
    gap: 12px !important;
    box-sizing: border-box !important;
  }

  .cta-dark-actions .btn,
  .cta-dark-actions a.btn,
  .cta-dark-card .btn,
  .cta-dark-card a.btn,
  div[style*="background: #10170F"][style*="border-radius: 16px"] .btn,
  div[style*="background: #10170F"][style*="border-radius: 16px"] a.btn {
    width: 100% !important;
    max-width: 100% !important;
    height: 52px !important;
    box-sizing: border-box !important;
    justify-content: center !important;
    margin: 0 !important;
  }
}

/* Mobile Devices (max-width: 640px) */
@media (max-width: 640px) {
  /* Header & Navigation */
  .main-header {
    height: 64px !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  .main-header .site-logo {
    height: 38px !important;
  }
  .header-actions {
    gap: 8px !important;
  }
  .header-cta-btn {
    display: none !important;
  }
  .lang-switcher-btn {
    height: 38px !important;
    padding: 0 9px !important;
    font-size: 12.5px !important;
  }

  .system-nav {
    height: auto !important;
    padding: 6px 12px !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 6px !important;
  }
  .system-nav-right {
    font-size: 11px !important;
    gap: 8px !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
  }
  .system-nav-badge {
    display: none !important;
  }

  /* Universal Section Padding & Containment on Mobile */
  section,
  .site-container,
  .site-wrapper > main > section,
  .site-wrapper > section,
  .service-pane > section,
  section[id] {
    padding-left: 16px !important;
    padding-right: 16px !important;
    padding-top: clamp(28px, 6vw, 44px) !important;
    padding-bottom: clamp(28px, 6vw, 44px) !important;
    gap: 24px !important;
    box-sizing: border-box !important;
    max-width: 100vw !important;
  }

  /* CTA Dark Cards & Button Containment on Mobile */
  .compare-cta-section,
  section[style*="padding: 0 100px 72px"],
  section[style*="padding: 72px 100px"] {
    padding-left: 16px !important;
    padding-right: 16px !important;
    padding-bottom: 32px !important;
    padding-top: 16px !important;
  }

  .cta-dark-card,
  div[style*="background: #10170F"][style*="border-radius: 16px"],
  div[style*="background:#10170F"][style*="border-radius: 16px"] {
    padding: 24px 16px !important;
    gap: 18px !important;
    border-radius: 18px !important;
  }

  .cta-dark-card h2,
  div[style*="background: #10170F"][style*="border-radius: 16px"] h2 {
    font-size: clamp(22px, 5.5vw, 26px) !important;
    line-height: 1.25 !important;
  }

  .cta-dark-actions,
  .cta-dark-card > div:last-child:not(:first-child),
  div[style*="background: #10170F"][style*="border-radius: 16px"] > div:last-child:not(:first-child),
  div[style*="background:#10170F"][style*="border-radius: 16px"] > div:last-child:not(:first-child) {
    gap: 10px !important;
  }

  .cta-dark-actions .btn,
  .cta-dark-actions a.btn,
  .cta-dark-card .btn,
  .cta-dark-card a.btn,
  div[style*="background: #10170F"][style*="border-radius: 16px"] .btn,
  div[style*="background: #10170F"][style*="border-radius: 16px"] a.btn {
    height: 48px !important;
    font-size: 15px !important;
  }

  .cta-dark-card a.btn-cta-outline,
  .cta-dark-actions a.btn-cta-outline {
    border: 2px solid #FFFFFF !important;
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.08) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .cta-dark-card a.btn-cta-outline *,
  .cta-dark-actions a.btn-cta-outline * {
    color: #FFFFFF !important;
    font-weight: 700 !important;
  }

  /* Universal Card & Article Breathing Room (Strict 16px Padding) */
  article,
  .project-card,
  .career-content-card,
  .career-form-card,
  .card,
  .projects-grid article {
    padding: 16px !important;
    border-radius: var(--radius-card, 20px) !important;
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  article:not([style*="background"]),
  .card:not([style*="background"]),
  .project-card:not([style*="background"]),
  .career-content-card:not([style*="background"]),
  .career-form-card:not([style*="background"]),
  .projects-grid article:not([style*="background"]) {
    background: #FFFFFF !important;
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
    box-shadow: var(--shadow-apple) !important;
  }

  /* Image boxes inside cards */
  .project-img-box,
  .projects-grid article > div:first-child {
    height: 200px !important;
    border-radius: 12px !important;
    padding: 0 !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    width: 100% !important;
  }

  /* Badges & Marks: strict padding 4px 10px */
  mark,
  .badge-tech,
  .badge,
  .use-pill,
  .demo-chip {
    padding: 4px 10px !important;
    border-radius: 6px !important;
    border: 1px solid rgba(22, 163, 74, 0.18) !important;
    display: inline-block !important;
    line-height: 1.35 !important;
    font-size: 13px !important;
  }

  /* Stats Sections (e.g. #thong-so, about stats, factory stats) */
  .stats-section,
  section[aria-label="Năng lực bằng con số"],
  section[aria-label="Con số năng lực"],
  .factory-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    margin: 16px 16px 32px !important;
    padding: 28px 20px !important;
    gap: 20px 16px !important;
    box-sizing: border-box !important;
    border-radius: 20px !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2) !important;
  }
  .stats-section .display,
  section[aria-label="Năng lực bằng con số"] .display,
  section[aria-label="Con số năng lực"] .display {
    font-size: clamp(24px, 6.2vw, 30px) !important;
    white-space: nowrap !important;
    line-height: 1.15 !important;
  }
  .stats-section p:not(.display),
  section[aria-label="Năng lực bằng con số"] p:not(.display),
  section[aria-label="Con số năng lực"] p:not(.display) {
    font-size: 13.5px !important;
    line-height: 1.4 !important;
  }

  /* 1. Swatches 14 Colors Grid (#dai-mau) */
  .swatches-grid,
  div[style*="repeat(7, minmax(0, 1fr))"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .swatch-card,
  .swatches-grid figure {
    border-radius: var(--radius-sm, 14px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04) !important;
  }
  .swatch-color,
  .swatch-visual,
  .swatches-grid figure > div[style*="height: 150px"],
  .swatches-grid figure > span[style*="height: 150px"] {
    height: 110px !important;
  }
  .swatch-info,
  .swatches-grid figcaption {
    padding: 10px 8px !important;
    gap: 2px !important;
  }
  .swatch-info span:first-child,
  .swatches-grid figcaption span:first-child {
    font-size: 13px !important;
  }

  /* 2. Partners Grid (#doi-tac, /doi-tac, /gioi-thieu) */
  .partners-grid,
  div[style*="repeat(5, minmax(0, 1fr))"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  /* 3. 7 Steps Vertical Stepper Timeline (#quy-trinh) */
  .steps-grid,
  ol[style*="repeat(7, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .step-item,
  ol[style*="repeat(7, minmax(0, 1fr))"] > li {
    padding-top: 0 !important;
    padding-bottom: 24px !important;
    padding-left: 36px !important;
    border-top: none !important;
    border-left: 2px solid #35422F !important;
    position: relative !important;
    gap: 8px !important;
  }
  .step-item:last-child,
  ol[style*="repeat(7, minmax(0, 1fr))"] > li:last-child {
    border-left-color: transparent !important;
    padding-bottom: 0 !important;
  }
  .step-dot,
  .step-icon-badge,
  ol[style*="repeat(7, minmax(0, 1fr))"] > li > .step-icon-badge,
  ol[style*="repeat(7, minmax(0, 1fr))"] > li > span[style*="position: absolute"] {
    left: -19px !important;
    top: -2px !important;
    width: 36px !important;
    height: 36px !important;
  }
  .step-item .display,
  ol[style*="repeat(7, minmax(0, 1fr))"] .display {
    font-size: 32px !important;
    line-height: 1 !important;
  }
  .step-item h3,
  ol[style*="repeat(7, minmax(0, 1fr))"] h3 {
    font-size: 17px !important;
    line-height: 1.3 !important;
  }
  .step-item p,
  ol[style*="repeat(7, minmax(0, 1fr))"] p {
    font-size: 14.5px !important;
    line-height: 1.55 !important;
  }
  .step-time-badge {
    font-size: 11px !important;
    padding: 2px 8px !important;
  }

  /* 4. Portfolio / Projects Grid (#du-an) */
  .projects-grid,
  div[style*="repeat(4, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* 5. Tables & Matrix Comparison Responsiveness (/vai-va-ung-dung, /so-sanh-cong-nghe-in, /gio-bao-gia) */
  .table-responsive,
  .fabrics-table-wrapper,
  #cart-table-wrapper {
    margin-bottom: 12px !important;
    border-radius: var(--radius-sm, 14px) !important;
    border: 1px solid var(--border, #DDE4DA) !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    position: relative !important;
    background: #FFFFFF !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .table-mobile-hint {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--xanh-dam);
    background: var(--xanh-badge);
    padding: 6px 14px;
    border-radius: 9999px;
  }
  .fabrics-table,
  .table-responsive table,
  #cart-table-wrapper table {
    min-width: 520px !important;
    border: none !important;
  }
  .fabrics-table th, .fabrics-table td,
  .table-responsive th, .table-responsive td,
  #cart-table-wrapper th, #cart-table-wrapper td {
    padding: 12px 10px !important;
    font-size: 13.5px !important;
    line-height: 1.45 !important;
  }

  /* 6. Techs, Reasons, Factory Grids (1 column) */
  .techs-grid,
  .reasons-grid,
  div[style*="repeat(3, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* 7. Demo 360 SVG Preview Card (#demo-360) */
  #demo-360 {
    flex-direction: column !important;
    gap: 28px !important;
    align-items: stretch !important;
  }
  #demo-360 > div {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }
  .demo-visual-card {
    min-width: 0 !important;
    width: 100% !important;
    height: auto !important;
    padding: 24px 16px !important;
    gap: 12px !important;
    justify-content: space-around !important;
    box-sizing: border-box !important;
  }
  .demo-visual-card > div {
    gap: 8px !important;
  }
  .demo-visual-card svg {
    width: 80px !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .demo-visual-card p {
    font-size: 12.5px !important;
  }

  /* 8. Dedicated Page Layouts: /dich-vu, /in-chuyen-nhiet-la-gi, /gioi-thieu */
  .service-pane > section:first-of-type,
  section[style*="padding: 64px 100px"] {
    flex-direction: column !important;
    gap: 24px !important;
    align-items: stretch !important;
  }
  .service-pane > section:first-of-type > div:first-child,
  section[style*="padding: 64px 100px"] > div:first-child {
    width: 100% !important;
    max-width: 100% !important;
  }
  .service-pane > section:first-of-type > div:last-child,
  section[style*="padding: 64px 100px"] > div:last-child {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    flex-grow: 0 !important;
  }
  .service-media-printer,
  .service-hero-media > div:first-child {
    height: 220px !important;
    width: 100% !important;
  }
  .service-media-cert,
  .service-hero-media > div:last-child {
    height: auto !important;
    width: 100% !important;
  }

  /* /gioi-thieu: Commitment key-value rows stack vertically */
  div[style*="display: flex; gap: 16px; padding: 14px 0"] {
    flex-direction: column !important;
    gap: 4px !important;
    align-items: flex-start !important;
  }
  div[style*="display: flex; gap: 16px; padding: 14px 0"] span[style*="width: 260px"] {
    width: 100% !important;
  }

  /* /tuyen-dung: Career job listing cards */
  #danh-sach-tuyen-dung article {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 16px !important;
    padding: 18px 16px !important;
  }
  #danh-sach-tuyen-dung article > div:first-child {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 14px !important;
    width: 100% !important;
  }
  #danh-sach-tuyen-dung article a[style*="width: 140px"] {
    width: 100% !important;
    height: 160px !important;
  }

  /* /hoi-dap: FAQ navigation chips (hết hàng thì xuống dòng, không scroll) */
  nav.faq-nav,
  nav[style*="position: sticky; top: 100px"] {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    overflow-x: visible !important;
    gap: 8px !important;
    padding-bottom: 8px !important;
  }
  .faq-group-link {
    white-space: normal !important;
    border: 1px solid var(--border, #DDE4DA) !important;
    background: #FFFFFF !important;
    padding: 6px 12px !important;
    border-radius: var(--radius-pill, 9999px) !important;
    font-size: 13px !important;
    min-height: 36px !important;
    width: auto !important;
    flex: 0 0 auto !important;
    box-shadow: 0 2px 6px rgba(16,23,15,0.03) !important;
  }
  .faq-group-link span[style*="flex-grow: 1"] {
    flex-grow: 0 !important;
  }
  .faq-aside-box {
    display: none !important;
  }

  /* /vai-va-ung-dung: Fabric filter chips (hết hàng thì xuống dòng, không scroll) */
  .fabric-filter-chips,
  div[role="group"][aria-label*="Lọc"] {
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .fabric-filter-chips .fabric-filter-btn,
  div[role="group"][aria-label*="Lọc"] > button {
    width: auto !important;
    flex: 0 0 auto !important;
    font-size: 13.5px !important;
    padding: 8px 14px !important;
    min-height: 38px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* 9. File Guide & Quote Banners */
  .file-guide-banner {
    padding: 24px 16px !important;
    border-radius: var(--radius-card, 20px) !important;
    gap: 20px !important;
  }
  .quote-form-grid,
  form[style*="repeat(2, minmax(0, 1fr))"] {
    grid-template-columns: 1fr !important;
    padding: 24px 16px !important;
    border-radius: var(--radius-card, 20px) !important;
    gap: 16px !important;
  }
  .quote-form-grid > *,
  form[style*="repeat(2, minmax(0, 1fr))"] > * {
    grid-column: 1 / -1 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .quote-form-grid input,
  .quote-form-grid select,
  .quote-form-grid textarea {
    width: 100% !important;
    max-width: 100% !important;
  }
  .quote-form-grid .btn-primary {
    width: 100% !important;
  }
  .faq-sidebar,
  .quote-sidebar {
    width: 100% !important;
  }

  /* Universal Box Padding Normalization */
  div[style*="padding: 48px"],
  div[style*="padding: 44px 48px"],
  div[style*="padding: 40px"],
  div[style*="padding: 36px"],
  div[style*="padding: 32px"],
  div[style*="padding: 28px"] {
    padding: 20px 16px !important;
    border-radius: var(--radius-card, 18px) !important;
  }

  /* Gallery Grid Mobile Overrides */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  .gallery-item {
    border-radius: 12px !important;
  }
  .gallery-overlay {
    opacity: 1 !important;
    background: linear-gradient(180deg, transparent 50%, rgba(16, 23, 15, 0.88) 100%) !important;
    padding: 12px 10px !important;
  }
  .gallery-overlay-title {
    font-size: 12.5px !important;
    margin-bottom: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .gallery-overlay-tag { display: none !important; }
  .gallery-overlay-desc { display: none !important; }
  .gallery-overlay-hint { display: none !important; }
  .gallery-watermark { display: none !important; }
  .gallery-tag {
    font-size: 9.5px !important;
    padding: 2px 6px !important;
    top: 8px !important;
    left: 8px !important;
  }
}

/* Small Screens / SE (max-width: 480px) */
@media (max-width: 480px) {
  .system-nav {
    display: none !important;
  }
  .btn-primary, .btn-outline, a.btn, button.btn {
    font-size: 14.5px !important;
    padding-left: 18px !important;
    padding-right: 18px !important;
  }

  /* Full-width action buttons on compact screens */
  .site-container .btn-primary,
  .site-container .btn-outline,
  section .btn,
  section a.btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }

  /* Quote wizard step numbers */
  ol[style*="grid-template-columns: repeat(3"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
}

/* AI Chatbot Widget Mobile */
@media (max-width: 576px) {
  .ai-chatbot-widget {
    right: 14px !important;
    bottom: 14px !important;
  }
  body:has(.mobile-career-bar) .ai-chatbot-widget,
  .has-mobile-bar .ai-chatbot-widget,
  body:has(.mobile-career-bar) #ttai,
  .has-mobile-bar #ttai {
    bottom: 78px !important;
  }
  .ai-chat-btn {
    height: 48px !important;
    padding: 0 16px !important;
    font-size: 13.5px !important;
  }
  .ai-chat-dialog {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
    max-height: 75vh !important;
  }
  .back-to-top-btn {
    right: 14px !important;
    bottom: 168px !important;
    width: 40px !important;
    height: 40px !important;
    background: rgba(16, 23, 15, 0.9) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.22) !important;
    color: #FFFFFF !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
  }
  body:has(.mobile-career-bar) .back-to-top-btn,
  .has-mobile-bar .back-to-top-btn {
    bottom: 226px !important;
  }
}

/* Testimonials Grid Responsive */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 18px !important;
  }
}
@media (max-width: 640px) {
  .testimonials-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
}