/* ==========================================================================
   DUONG HUNG ECO - IMPECCABLE B2B DESIGN SYSTEM (EXECUTIVE EDITION)
   Precision Typography • Ambient Multi-layer Shadows • Micro-Interactions
   Lighthouse 98-100 Performance Target
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* High-Contrast, Crystal-Clear B2B Typography System */
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: #1F2937;
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Institutional Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #0E3622;
}

h1 { font-size: clamp(2.4rem, 4vw, 3.6rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.9rem, 2.8vw, 2.6rem); margin-bottom: 0.85rem; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.7rem); }
h4 { font-size: var(--fs-18); font-weight: 700; }

p { margin-bottom: 1rem; color: #374151; font-size: 15.5px; line-height: 1.65; }
p.lead { font-size: 17px; color: #4B5563; line-height: 1.65; font-weight: 400; }

/* Dedicated B2B Product Directory Cards (High-Contrast & Sharp) */
.product-card-b2b {
  background: #FFFFFF;
  border: 1px solid #D1D5DB;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.product-card-b2b:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(14, 54, 34, 0.1);
  border-color: #27AE60;
}

.product-card-img-wrap {
  height: 210px;
  overflow: hidden;
  position: relative;
  background-color: #F3F4F6;
}

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

.product-card-b2b:hover .product-card-img-wrap img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(14, 54, 34, 0.9);
  color: #FFFFFF;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-card-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: #0E3622;
  margin-bottom: 10px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.product-card-title a {
  color: #0E3622;
  text-decoration: none;
  transition: color 0.2s ease;
}

.product-card-title a:hover {
  color: #27AE60;
}

.product-card-desc {
  font-size: 14.5px;
  color: #4B5563;
  line-height: 1.55;
  margin-bottom: 16px;
}

.product-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px 0;
}

.product-card-list li {
  font-size: 13.5px;
  color: #1F2937;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 6px;
  padding-left: 20px;
  position: relative;
}

.product-card-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #27AE60;
  font-weight: 800;
  font-size: 14px;
}

/* B2B OEM & Custom Solutions Section */
.oem-section {
  background-color: #F8FAF9;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
  padding: 72px 0;
}

.oem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}

.oem-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.oem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(14, 54, 34, 0.08);
  border-color: #27AE60;
}

.oem-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #E8F5EE;
  color: #1E824C;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}

.oem-card-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: #0E3622;
  margin-bottom: 10px;
  line-height: 1.3;
}

.oem-card-desc {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
  margin-bottom: 16px;
}

.oem-specs-tag {
  display: inline-block;
  background: #F3F4F6;
  color: #1F2937;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid #E5E7EB;
}

.oem-workflow-bar {
  background: #FFFFFF;
  border: 1px solid #D1D5DB;
  border-radius: 12px;
  padding: 26px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.03);
}

.oem-step-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.oem-step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #0E3622;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

a { color: var(--green-700); text-decoration: none; transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
a:hover { color: var(--fire-500); }

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Gradient text accent */
.gradient-text {
  background: linear-gradient(135deg, var(--green-900) 20%, var(--green-700) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.flame-text {
  color: var(--fire-500);
}

/* Button System - Impeccable Tactile Precision */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(180deg, #E25B34 0%, #D9532B 100%);
  color: var(--white);
  border-color: #C0431D;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 4px 14px rgba(217,83,43,0.28);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #EA6842 0%, #C4431D 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08), 0 8px 22px rgba(217,83,43,0.36);
  color: var(--white);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--green-900);
  border-color: var(--line);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.btn-secondary:hover {
  background-color: var(--green-50);
  border-color: var(--green-700);
  color: var(--green-900);
  transform: translateY(-1px);
}

.btn-white {
  background-color: #FFFFFF !important;
  color: #0E3622 !important;
  border: 1px solid #FFFFFF !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.btn-white:hover {
  background-color: #F4F9F5 !important;
  color: #165B36 !important;
  border-color: #F4F9F5 !important;
  transform: translateY(-1.5px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.14);
}

/* Safety Fallback: Ensure buttons on dark CTA containers always have high contrast */
[style*="background: #0E3622"] .btn-secondary,
[style*="background:#0E3622"] .btn-secondary,
[style*="background: var(--green-900)"] .btn-secondary,
[style*="background:var(--green-900)"] .btn-secondary {
  background-color: #FFFFFF !important;
  color: #0E3622 !important;
  border-color: #FFFFFF !important;
  font-weight: 600 !important;
}
[style*="background: #0E3622"] .btn-secondary:hover,
[style*="background:#0E3622"] .btn-secondary:hover,
[style*="background: var(--green-900)"] .btn-secondary:hover,
[style*="background:var(--green-900)"] .btn-secondary:hover {
  background-color: #F4F9F5 !important;
  color: #165B36 !important;
  border-color: #F4F9F5 !important;
}

/* Header & Navigation - Glassmorphism & Flawless Spacing */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.site-logo:hover { opacity: 0.92; }
.site-logo img {
  height: 46px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0 20px;
}

.nav-link {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  padding: 8px 4px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: color 0.15s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--fire-500);
}

.dropdown-arrow {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: currentColor;
  opacity: 0.75;
}
.nav-item-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* Clean, Compact B2B Products Dropdown (VietEco Style) */
.nav-item-dropdown {
  position: relative;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 250px;
  background-color: #FFFFFF;
  border: 1px solid rgba(19, 101, 52, 0.12);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(14, 54, 34, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
  padding: 6px;
  display: none;
  z-index: 120;
  animation: dropdownIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-item-dropdown:hover .nav-dropdown {
  display: block;
}
.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: 6px;
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 600;
  color: #374151;
  text-decoration: none;
  transition: all 0.18s ease;
  line-height: 1.3;
}
.dropdown-link:hover {
  background-color: var(--green-50, #F4F9F5);
  color: var(--main-cl, #136534);
  padding-left: 16px;
}
.dropdown-divider {
  height: 1px;
  background-color: rgba(19, 101, 52, 0.08);
  margin: 4px 6px;
}
.dropdown-link-all {
  color: var(--main-cl, #136534);
  font-weight: 700;
  font-size: 12.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.whatsapp-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--green-700);
  background-color: #F1F8F4;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid #D2E7DB;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.whatsapp-badge span.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #25D366;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(37,211,102,0.2);
}
.whatsapp-badge strong {
  color: var(--green-900);
}
.whatsapp-badge:hover {
  border-color: #25D366;
  background-color: #E8F5EE;
  color: #128C7E;
  transform: translateY(-1px);
}

/* Mobile toggle base - detailed styling in pro-ux.css */
.mobile-toggle {
  display: none;
}

/* HERO SECTION - Impeccable Presence */
.hero-section {
  padding: 68px 0 80px;
  background: radial-gradient(circle at 85% 20%, rgba(217, 83, 43, 0.04) 0%, transparent 45%),
              linear-gradient(180deg, #FFFFFF 0%, #FAF9F6 100%);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #EBF4EF;
  color: var(--green-700);
  border: 1px solid #D1E5DB;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}
.hero-tag span.badge-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--green-700);
}
.hero-sub {
  font-size: 18.5px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}
.proof-line {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--green-700);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
}
.proof-line span.sep { color: #CCD6D0; }

/* Hero Visual Card */
.hero-visual-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: 0 20px 48px rgba(18, 48, 31, 0.08), 0 4px 12px rgba(0,0,0,0.03);
  position: relative;
}
.hero-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  height: 380px;
  background-color: #0E2419;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-visual-card:hover .hero-img-wrap img {
  transform: scale(1.03);
}
.hero-img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 28, 19, 0.92) 100%);
  color: #fff;
}
.hero-img-overlay h4 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 4px;
}
.hero-img-overlay p {
  color: #C8D6CE;
  font-size: 13px;
  margin-bottom: 0;
}

/* Floating Metrics Badges */
.floating-kpi-badge {
  position: absolute;
  top: 24px;
  left: -20px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatSubtle 4s ease-in-out infinite alternate;
}
@keyframes floatSubtle {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}
.floating-kpi-badge .icon-box {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: var(--green-50);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* ANSWER-FIRST FOR GEO (AI SEARCH ENGINES) */
.answer-first-box,
.executive-intro-callout {
  background-color: #F8FAF7;
  border: 1px solid #D5E5DC;
  border-left: 5px solid var(--green-700);
  padding: 20px 26px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 26px 0 34px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  box-shadow: 0 4px 12px rgba(29, 74, 54, 0.03);
}
.answer-first-box strong {
  color: var(--green-900);
  font-weight: 700;
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-head);
  letter-spacing: 0.02em;
}

/* QUICK SPEC GRID */
.quick-spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 28px 0 36px;
}
.spec-box {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.spec-box:hover {
  transform: translateY(-3px);
  border-color: var(--green-700);
  box-shadow: 0 12px 24px rgba(29, 74, 54, 0.07);
}
.spec-box .val {
  font-family: var(--font-head);
  font-size: var(--fs-28);
  font-weight: 800;
  color: var(--green-900);
  line-height: 1.1;
  margin-bottom: 4px;
}
.spec-box .lbl {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.spec-box.accent {
  border-top: 3.5px solid var(--fire-500);
}

/* PRODUCT LINES GRID WITH REAL PHOTOGRAPHY */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin: 36px 0 52px;
}
.product-card {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.03);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--green-700);
  box-shadow: 0 20px 40px rgba(18, 48, 31, 0.1);
}
.product-thumb {
  height: 220px;
  background-color: #EDEAE1;
  position: relative;
  overflow: hidden;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-thumb img {
  transform: scale(1.06);
}
.hs-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  background-color: rgba(14, 36, 25, 0.9);
  backdrop-filter: blur(4px);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  z-index: 2;
}
.product-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.25;
}
.product-specs {
  list-style: none;
  font-size: 13.5px;
  color: var(--muted);
  margin: 14px 0 22px;
  flex: 1;
}
.product-specs li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--line-light);
  display: flex;
  justify-content: space-between;
}
.product-specs li span.k { font-weight: 600; color: var(--ink); }

/* CATALOG DETAILED CARDS (Products Directory) */
.catalog-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: grid;
  grid-template-columns: 280px 1.2fr 0.9fr;
  align-items: stretch;
  transition: all 0.25s ease;
}
.catalog-card:hover {
  border-color: var(--green-700);
  box-shadow: 0 16px 36px rgba(18, 48, 31, 0.08);
}
.catalog-media {
  position: relative;
  background-color: #EDEAE1;
  min-height: 240px;
}
.catalog-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.catalog-card:hover .catalog-media img {
  transform: scale(1.04);
}
.catalog-info {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.catalog-specs-box {
  background: var(--paper);
  border-left: 1px solid var(--line-light);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 13.5px;
}
@media (max-width: 991px) {
  .catalog-card {
    grid-template-columns: 1fr;
  }
  .catalog-media {
    height: 220px;
  }
  .catalog-specs-box {
    border-left: none;
    border-top: 1px solid var(--line-light);
  }
}

/* TRUST & COMPLIANCE BAR */
.trust-bar {
  background-color: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.trust-title {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.trust-items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--green-900);
}
.trust-badge span.check {
  color: var(--fire-500);
  font-size: 16px;
}

/* DATA TABLES */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background-color: var(--white);
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
}
table.spec-table,
table.specs-table,
.specs-table,
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.6;
  text-align: left;
}
table.spec-table th,
table.specs-table th,
.specs-table th,
.article-body table thead th {
  background-color: #0E3622;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  padding: 16px 20px;
  border-bottom: 2px solid #16A34A;
  white-space: nowrap;
}
table.spec-table td,
table.specs-table td,
.specs-table td,
.article-body table tbody td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-light);
  color: #334155;
  vertical-align: middle;
}
table.spec-table tr:nth-child(even) td,
table.specs-table tr:nth-child(even) td,
.specs-table tr:nth-child(even) td,
.article-body table tbody tr:nth-child(even) td {
  background-color: #F8FAF9;
}
table.spec-table tr:hover td,
table.specs-table tr:hover td,
.specs-table tr:hover td,
.article-body table tbody tr:hover td {
  background-color: #F0FDF4;
}
table.spec-table td:first-child,
table.specs-table td:first-child,
.specs-table td:first-child,
.article-body table tbody td:first-child {
  font-weight: 700;
  color: #0E3622;
}

/* SECTION PADDING */
.section { padding: 72px 0; }
.section-dark {
  background: linear-gradient(135deg, #091C13 0%, #12301F 100%);
  color: var(--white);
}
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: #B5C4BC; }

/* MIXED CONTAINER BANNER */
.mixed-load-banner {
  background: linear-gradient(135deg, #0D261A 0%, #1D4A36 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 52px;
  margin: 44px 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 24px 56px rgba(13, 38, 26, 0.2);
}
.mixed-load-banner h2 { color: var(--white); }
.mixed-load-banner p { color: #C8D6CE; }
.mixed-facts { list-style: none; margin: 24px 0; }
.mixed-facts li {
  padding: 9px 0;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.mixed-facts li::before {
  content: "✔";
  color: var(--fire-500);
  font-weight: bold;
}

/* FAQ ACCORDION */
.faq-accordion { margin: 36px 0; }
.faq-item {
  border: 1px solid var(--line);
  background-color: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s ease;
}
.faq-item:hover {
  border-color: var(--green-500);
}
.faq-trigger {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-head);
  font-size: 17.5px;
  font-weight: 700;
  color: var(--green-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-trigger::after {
  content: "+";
  font-size: 24px;
  color: var(--fire-500);
  font-weight: 700;
  transition: transform 0.2s;
}
.faq-item.active .faq-trigger::after {
  content: "−";
}
.faq-content {
  padding: 0 24px 22px;
  display: none;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.faq-item.active .faq-content { display: block; }

/* FOOTER */
.site-footer {
  background-color: #08160F;
  color: #B5C4BC;
  padding: 72px 0 36px;
  border-top: 4px solid var(--green-700);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #A8B8AF; font-size: 14px; }
.footer-links a:hover { color: var(--fire-500); }
.compliance-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.c-pill {
  font-size: 11px;
  font-weight: 700;
  background-color: rgba(255,255,255,0.08);
  color: #C8D6CE;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
}
.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #728479;
}

/* MODAL RFQ FORM */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 22, 15, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-card {
  background-color: var(--white);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,0.25);
  border: 1px solid var(--line);
}
@media (max-width: 640px) {
  .modal-overlay {
    padding: 12px;
  }
  .modal-card {
    padding: 24px 16px !important;
    max-height: 94vh !important;
    border-radius: 14px;
  }
  .modal-card h3 {
    font-size: 20px !important;
    padding-right: 28px;
  }
  .modal-card [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.15s;
}
.modal-close:hover { color: var(--fire-500); }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 13px 15px;
  font-family: var(--font-body);
  font-size: 14.5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: #FAFAFA;
  transition: all 0.2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--green-700);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(29,74,54,0.12);
}

/* MOBILE STICKY CTA */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  border-top: 1px solid var(--line);
  padding: 10px 16px;
  z-index: 90;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.06);
}
.mobile-sticky-inner { display: flex; gap: 12px; }
.mobile-sticky-inner .btn { flex: 1; padding: 12px 8px; font-size: 13px; }

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1100px) {
  .main-nav { gap: 14px; margin: 0 8px; }
  .nav-link { font-size: 14px; }
  .whatsapp-badge { padding: 6px 12px; font-size: 12.5px; }
  .btn-primary { padding: 10px 18px; font-size: 13.5px; }
}

@media (max-width: 991px) {
  .hero-grid, .mixed-load-banner { grid-template-columns: 1fr; gap: 36px; }
  .quick-spec-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav, .whatsapp-badge { display: none; }
  .mobile-toggle { display: flex !important; }
  .mobile-sticky-bar { display: block; }
  body { padding-bottom: 65px; }
  .floating-kpi-badge { position: static; margin-bottom: 12px; }
}

@media (max-width: 576px) {
  .quick-spec-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   VIETECO-INSPIRED DYNAMIC B2B MOTION BANNER & GREEN IMPACT STYLES
   ========================================================================== */

/* Hero Banner Slider */
.hero-slider-wrap {
  position: relative;
  background: var(--green-900);
  overflow: hidden;
  color: var(--white);
  min-height: 580px;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  display: none;
  opacity: 0;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateX(15px);
  padding: 60px 0 70px;
}

.hero-slide.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.hero-slide-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 991px) {
  .hero-slide-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.hero-slide-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 83, 43, 0.18);
  border: 1px solid rgba(217, 83, 43, 0.45);
  color: #FFA588;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero-slide-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--fire-500);
  box-shadow: 0 0 8px var(--fire-500);
}

.hero-slide-title {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero-slide-desc {
  color: #C8D8CF;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 620px;
}

.hero-slide-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: #E2ECE6;
  font-weight: 500;
}

.hero-slide-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-slide-visual {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  height: 380px;
  background-color: #0b2418;
}

.hero-slide-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}

.hero-slide.active .hero-slide-visual img {
  transform: scale(1.04);
}

.hero-slide-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,36,25,0.1) 0%, rgba(14,36,25,0.7) 100%);
  pointer-events: none;
}

.hero-slide-floating-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(14, 36, 25, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.slider-arrow:hover {
  background: var(--fire-500);
  border-color: var(--fire-500);
  transform: translateY(-50%) scale(1.08);
}

.slider-prev { left: 20px; }
.slider-next { right: 20px; }

@media (max-width: 768px) {
  .slider-arrow { display: none; }
}

.slider-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.slider-dot {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background: var(--fire-500);
  width: 48px;
}

/* Green Impact Metrics Section */
.green-impact-bar {
  background: #0f2c1f;
  color: #ffffff;
  padding: 38px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 575px) {
  .impact-grid {
    grid-template-columns: 1fr;
  }
}

.impact-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  text-align: left;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.impact-box:hover {
  transform: translateY(-3px);
  border-color: var(--fire-500);
}

.impact-num {
  font-family: var(--font-head);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.impact-num span {
  color: var(--fire-500);
}

.impact-label {
  font-size: 13.5px;
  font-weight: 700;
  color: #E2ECE6;
  margin-bottom: 4px;
}

.impact-sub {
  font-size: 12px;
  color: #9AB2A4;
  line-height: 1.4;
  margin: 0;
}

/* Three Pillars of Sustainability */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

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

.pillar-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--green-800);
  transition: background 0.25s ease;
}

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

.pillar-card:hover::before {
  background: var(--fire-500);
}

.pillar-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
}

.pillar-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--green-900);
  margin-bottom: 10px;
}

.pillar-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* 4-Stage QA Workflow */
.qa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}

@media (max-width: 991px) {
  .qa-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .qa-grid {
    grid-template-columns: 1fr;
  }
}

.qa-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  position: relative;
}

.qa-step-badge {
  display: inline-block;
  background: var(--green-50);
  color: var(--green-900);
  border: 1px solid var(--green-200);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 12px;
}

.qa-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 8px;
}

.qa-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* B2B Industry Sectors */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}

@media (max-width: 991px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 575px) {
  .sectors-grid {
    grid-template-columns: 1fr;
  }
}

.sector-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.25s ease;
}

.sector-card:hover {
  transform: translateY(-3px);
  border-color: var(--green-700);
  box-shadow: var(--shadow-sm);
}

.sector-icon {
  font-size: 34px;
  margin-bottom: 12px;
}

.sector-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 6px;
}

.sector-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   VIETECO SPLIT HEADER & IMMERSIVE PANORAMIC HERO BANNER
   ========================================================================== */

/* Split Center-Logo Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 14px 0;
  background: rgba(14, 38, 26, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-header.scrolled,
.site-header.solid-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 10px 0;
}

.header-inner-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

.split-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.split-nav-left {
  justify-content: flex-end;
  padding-right: 28px;
}

.split-nav-right {
  justify-content: flex-start;
  padding-left: 28px;
}

.split-nav-link {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.035em;
  color: #FFFFFF;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.site-header.scrolled .split-nav-link,
.site-header.solid-header .split-nav-link {
  color: var(--green-900);
  text-shadow: none;
}

.split-nav-link:hover {
  color: #FFA588;
}
.site-header.scrolled .split-nav-link:hover,
.site-header.solid-header .split-nav-link:hover {
  color: var(--fire-500);
}

/* Center Logo */
.split-logo-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.split-logo-center:hover {
  transform: scale(1.04);
}

.split-logo-center img {
  height: 98px;
  width: auto;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.4));
  transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s ease;
}

.site-header.scrolled .split-logo-center img,
.site-header.solid-header .split-logo-center img {
  height: 84px;
  filter: none;
}

/* Header Logo Color-Mode Switching */
.site-header.trans-header:not(.scrolled) .logo-for-dark {
  display: block !important;
}
.site-header.trans-header:not(.scrolled) .logo-for-light {
  display: none !important;
}
.site-header.scrolled .logo-for-dark,
.site-header.solid-header .logo-for-dark {
  display: none !important;
}
.site-header.scrolled .logo-for-light,
.site-header.solid-header .logo-for-light {
  display: block !important;
}

/* Header Utilities (Lang, RFQ button) */
.lang-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 11.5px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
}

.site-header.scrolled .lang-pill,
.site-header.solid-header .lang-pill {
  background: #f0f4f1;
  border-color: #d8e2dc;
  color: var(--green-900);
}

.split-nav-rfq-btn {
  background: var(--fire-500);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 6px 14px;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(217, 83, 43, 0.35);
}

.split-nav-rfq-btn:hover {
  background: var(--fire-600);
  transform: translateY(-1px);
}

/* Mobile Nav & Header adjustments */
@media (max-width: 1080px) {
  .split-nav { display: none !important; }
  .header-inner-split {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    padding: 0 16px !important;
    height: 60px !important;
    min-height: 60px !important;
    max-height: 60px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .split-logo-center {
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
    height: 46px !important;
    width: auto !important;
    z-index: 10001 !important;
  }
  .split-logo-center img,
  .site-header.scrolled .split-logo-center img,
  .site-header.solid-header .split-logo-center img {
    height: 46px !important;
    width: auto !important;
    max-width: 175px !important;
    object-fit: contain !important;
    filter: none !important;
    transition: none !important;
  }
  .mobile-toggle {
    display: flex !important;
    position: absolute !important;
    right: 16px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    z-index: 10002 !important;
  }
}

@media (max-width: 768px) {
  .sticky-consult-tab {
    display: none !important;
  }
}

@media (max-width: 991px) {
  .scroll-top-btn {
    bottom: 76px !important; /* Float above mobile sticky bottom bar */
    left: 14px !important;
    width: 38px !important;
    height: 38px !important;
    font-size: 15px !important;
  }
}

/* Panoramic Hero Banner */
.panoramic-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
  padding: 130px 24px 80px;
  background-color: #0b2418;
}

.panoramic-hero-bg-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.panoramic-bg-slide {
  position: absolute;
  inset: -20px;
  opacity: 0;
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.panoramic-bg-slide.active {
  opacity: 1;
}

.panoramic-bg-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: brightness(1.0) contrast(1.05) saturate(1.06);
  image-rendering: auto;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  will-change: transform;
}

.panoramic-bg-slide img.zoom-effect,
.panoramic-bg-slide img.zoom-in {
  animation: kenBurnsZoomIn 16s ease-in-out infinite alternate;
}

.panoramic-bg-slide img.zoom-out {
  animation: kenBurnsZoomOut 16s ease-in-out infinite alternate;
}

.panoramic-bg-slide img.zoom-pan {
  animation: kenBurnsZoomPan 18s ease-in-out infinite alternate;
}

@keyframes kenBurnsZoomIn {
  0% {
    transform: scale(1.0) translate(0, 0);
  }
  100% {
    transform: scale(1.16) translate(-1.5%, -1%);
  }
}

@keyframes kenBurnsZoomOut {
  0% {
    transform: scale(1.16) translate(-1%, -1%);
  }
  100% {
    transform: scale(1.02) translate(1%, 0.5%);
  }
}

@keyframes kenBurnsZoomPan {
  0% {
    transform: scale(1.06) translate(-2%, 0);
  }
  100% {
    transform: scale(1.18) translate(1.5%, -1.2%);
  }
}

.panoramic-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(6, 20, 13, 0.16) 0%, rgba(6, 20, 13, 0.02) 40%, rgba(5, 16, 10, 0.35) 100%),
              radial-gradient(ellipse at 50% 50%, rgba(5, 16, 10, 0.06) 0%, rgba(5, 16, 10, 0.28) 100%);
  pointer-events: none;
}

.panoramic-hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
}

.hero-text-slider {
  position: relative;
  min-height: 200px;
  margin-bottom: 8px;
}

.hero-text-slide {
  display: none;
}

.hero-text-slide.active {
  display: block;
  animation: heroTextFadeIn 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroTextFadeIn {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.panoramic-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.018em;
  margin-bottom: 18px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7), 0 8px 24px rgba(0, 0, 0, 0.85);
}

.panoramic-hero-sub {
  font-size: clamp(15.5px, 1.4vw, 18px);
  color: #F8FAFC;
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto 32px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85), 0 4px 16px rgba(0, 0, 0, 0.7);
  font-weight: 450;
}

.panoramic-hero-dots {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 5;
}

.panoramic-hero-dot {
  width: 34px;
  height: 3.5px;
  background: rgba(255, 255, 255, 0.38);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.panoramic-hero-dot.active {
  background: #ffffff;
  width: 60px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.7);
}

/* Vieteco Sticky Right Tab: "Request a Consultation" (Desktop only) */
@media (min-width: 992px) {
  .sticky-consult-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    background: var(--green-900);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-right: none;
    border-radius: 8px 0 0 8px;
    padding: 16px 9px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: -4px 4px 18px rgba(0, 0, 0, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .sticky-consult-tab:hover {
    background: var(--fire-500);
    padding-left: 14px;
  }

  .sticky-consult-tab .tab-icon {
    font-size: 16px;
  }

  .sticky-consult-tab .tab-text {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-family: var(--font-head);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
  }
}

@media (max-width: 991px) {
  .sticky-consult-tab {
    display: none !important;
  }
}

/* Floating Scroll-to-Top Button (Bottom Left) */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--green-900);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: var(--green-900);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Floating WhatsApp Button removed per user request */
.floating-whatsapp-btn {
  display: none !important;
}

/* ==========================================================================
   PAGE TRANSITION ENGINE (SMOOTH FLUID TRANSITION BETWEEN PAGES)
   ========================================================================== */
#page-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #1D4A36, #25D366, #D9532B);
  z-index: 999999;
  width: 0%;
  opacity: 0;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  pointer-events: none;
}

body {
  opacity: 1;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

body.page-transition-exit {
  opacity: 0;
  transform: translateY(-6px);
}

@keyframes pageEntrance {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  animation: pageEntrance 0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Inner page content clearance for fixed header */
.solid-header + main,
body:not(:has(.panoramic-hero-section)) main {
  padding-top: 104px;
}

/* ==========================================================================
   VIETECO LUXURY B2B SIGNATURE STYLES (IMPECCABLE UI/UX SUITE)
   ========================================================================== */

/* 1. Staggered Word Reveal (VietEco .ef-img-t) */
.ef-img-t {
  display: inline-block;
  opacity: 0;
  transform: translateY(26px);
  will-change: transform, opacity;
}
.hero-text-slide.active .ef-img-t {
  animation: efFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: var(--delay, 0.2s);
}
@keyframes efFadeUp {
  0% {
    opacity: 0;
    transform: translateY(26px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 2. Signature Buttons (VietEco .btn_style_1 and .btn_style_3) */
.btn-eco {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--main-cl, #136534);
  color: #FFFFFF !important;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14.5px;
  padding: 13px 28px;
  border-radius: 999px;
  border: 1px solid var(--main-cl, #136534);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(19, 101, 52, 0.28);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-eco:hover {
  background: var(--sub-cl, #34B540);
  border-color: var(--sub-cl, #34B540);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(52, 181, 64, 0.38);
}

.btn-eco-swipe {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  background: #F6F2E8;
  color: #0E3622 !important;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  border: 1px solid rgba(19, 101, 52, 0.2);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  z-index: 1;
}
.btn-eco-swipe::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--main-cl, #136534);
  transition: width 0.42s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  pointer-events: none;
}
.btn-eco-swipe > * {
  position: relative;
  z-index: 2;
  transition: color 0.3s ease;
}
.btn-eco-swipe:hover::before {
  width: 100%;
}
.btn-eco-swipe:hover,
.btn-eco-swipe:hover > * {
  color: #FFFFFF !important;
}

/* 3. Section Mission / Highlight (VietEco home_1 & home_2) */
.eco-mission-section {
  padding: 72px 0;
  background: #FFFFFF;
  text-align: center;
}
.eco-mission-badge {
  display: inline-block;
  color: var(--main-cl, #136534);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.eco-mission-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: #0E3622;
  line-height: 1.35;
  max-width: 900px;
  margin: 0 auto 24px;
}
.eco-mission-title span {
  color: var(--main-cl, #136534);
}
.eco-mission-desc {
  font-size: 16.5px;
  line-height: 1.7;
  color: #4B5563;
  max-width: 760px;
  margin: 0 auto 32px;
}

/* 4. Highlight Section (VietEco home_2 - 4 Icon Columns) */
.eco-highlight-section {
  padding: 80px 0;
  background-color: #FBF9F4;
  border-top: 1px solid rgba(19, 101, 52, 0.08);
}
.highlight-header {
  margin-bottom: 48px;
}
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.highlight-card {
  background: #FFFFFF;
  border: 1px solid rgba(19, 101, 52, 0.1);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.35s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}
.highlight-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(19, 101, 52, 0.12);
  border-color: var(--main-cl, #136534);
}
.highlight-icon-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.6s ease;
}
.highlight-card:hover .highlight-icon-wrap {
  transform: rotateY(180deg);
}
.highlight-icon-wrap img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.highlight-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: #0E3622;
  line-height: 1.4;
  margin: 0;
}

/* 5. Certificates & Quality Showcase (VietEco home_4) */
.eco-certificates-section {
  padding: 84px 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--line-light);
}
.certificates-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) {
  .certificates-layout {
    grid-template-columns: 1fr;
  }
}
.certificate-visual-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(19, 101, 52, 0.12);
  border: 1px solid rgba(19, 101, 52, 0.15);
  background: #F8FAF8;
}
.certificate-visual-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* 6. Global Markets & Impact Map (VietEco home_6) */
.eco-markets-section {
  padding: 84px 0;
  background: #F4F3E7;
  text-align: center;
  border-top: 1px solid rgba(19, 101, 52, 0.1);
}
.markets-map-container {
  position: relative;
  max-width: 1100px;
  margin: 40px auto 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(19, 101, 52, 0.08);
  background: #FFFFFF;
  padding: 24px;
  border: 1px solid rgba(19, 101, 52, 0.12);
}
.markets-map-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* 7. Product Cards Polish */
.product-card-b2b {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border: 1px solid rgba(19, 101, 52, 0.12);
  border-radius: 14px;
  overflow: hidden;
  background: #FFFFFF;
}
.product-card-b2b:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(19, 101, 52, 0.12);
  border-color: var(--main-cl, #136534);
}
.product-card-img-wrap {
  overflow: hidden;
  position: relative;
}
.product-card-img-wrap img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  width: 100%;
}
.product-card-b2b:hover .product-card-img-wrap img {
  transform: scale(1.06);
}

/* ==========================================================================
   CJK & Multi-Language Typography Support (iOS, Android, Windows)
   Optimized for Japan (ja), Korea (ko), China & Taiwan (zh, zh-CN, zh-TW)
   ========================================================================== */
:lang(ja) {
  --font-head: "Noto Sans JP", "Manrope", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Noto Sans JP", "Manrope", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0.02em;
  word-break: break-word;
  line-break: strict;
}

:lang(ko) {
  --font-head: "Noto Sans KR", "Manrope", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Noto Sans KR", "Manrope", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: -0.015em;
  word-break: keep-all;
  overflow-wrap: break-word;
}

:lang(zh), :lang(zh-CN), :lang(zh-TW) {
  --font-head: "Noto Sans SC", "Manrope", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Noto Sans SC", "Manrope", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0.02em;
  word-break: break-word;
}

/* ==========================================================================
   High-End Article Footer CTA & B2B Trade Desk Cards with Vivid Background
   ========================================================================== */
.article-footer-cta {
  margin-top: 48px;
  position: relative;
  border-radius: 14px;
  padding: 40px 36px;
  color: #FFFFFF;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(7, 30, 20, 0.28);
  border: 1px solid rgba(88, 214, 141, 0.28);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  background-color: #071E14;
}

.article-footer-cta .cta-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.article-footer-cta .cta-bg-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.96) contrast(1.08) saturate(1.08);
  image-rendering: auto;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-footer-cta:hover .cta-bg-layer img {
  transform: scale(1.05);
}

.article-footer-cta .cta-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 24, 16, 0.62) 0%, rgba(10, 38, 25, 0.48) 60%, rgba(14, 52, 34, 0.38) 100%);
}

.article-footer-cta .cta-content-layer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  width: 100%;
}

/* ==========================================================================
   Mobile Panoramic Hero Banner & CJK Visual Perfection (Android & iOS)
   ========================================================================== */
@media (max-width: 768px) {
  .panoramic-hero-section {
    display: flex !important;
    align-items: flex-start !important;
    justify-content: center !important;
    padding-top: 148px !important;
    padding-bottom: 50px !important;
    min-height: auto !important;
    height: auto !important;
  }
  .cjk-hero-title,
  .panoramic-hero-title {
    font-size: clamp(21px, 5.6vw, 32px) !important;
    line-height: 1.32 !important;
    margin-bottom: 14px !important;
  }
  .panoramic-hero-sub {
    font-size: 14px !important;
    line-height: 1.55 !important;
    margin-bottom: 22px !important;
  }
  .panoramic-hero-content {
    padding: 0 4px !important;
    width: 100% !important;
  }
}

@media (max-width: 480px) {
  .panoramic-hero-section {
    display: flex !important;
    align-items: flex-start !important;
    justify-content: center !important;
    padding: 145px 12px 45px !important;
    min-height: auto !important;
    height: auto !important;
  }
  .cjk-hero-title,
  .panoramic-hero-title {
    font-size: 21.5px !important;
    line-height: 1.3 !important;
  }
  .panoramic-hero-sub {
    font-size: 13.5px !important;
    line-height: 1.5 !important;
    margin-bottom: 20px !important;
  }
}


/* ==========================================================================
   ENFORCED UNIVERSAL VISIBILITY: .btn-white & CTA action buttons
   Guarantees deep forest green text on pure white background across all pages
   ========================================================================== */
.btn-white,
.btn.btn-white,
a.btn.btn-white,
button.btn.btn-white,
.article-footer-cta .btn-white,
.article-footer-cta a.btn-white,
.article-footer-cta button.btn-white {
  background-color: #FFFFFF !important;
  color: #0E3622 !important;
  border: 1px solid #FFFFFF !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.btn-white:hover,
.btn.btn-white:hover,
a.btn.btn-white:hover,
button.btn.btn-white:hover,
.article-footer-cta .btn-white:hover,
.article-footer-cta a.btn-white:hover,
.article-footer-cta button.btn-white:hover {
  background-color: #F4F9F5 !important;
  color: #165B36 !important;
  border-color: #F4F9F5 !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28) !important;
}

/* Vivid & Crisp Article Footer CTA Background Layer */
.article-footer-cta .cta-bg-layer img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center !important;
  filter: brightness(0.96) contrast(1.10) saturate(1.12) !important;
  image-rendering: auto !important;
  -webkit-backface-visibility: hidden !important;
  backface-visibility: hidden !important;
}

.article-footer-cta .cta-bg-overlay {
  position: absolute !important;
  inset: 0 !important;
  background: linear-gradient(135deg, rgba(6, 24, 16, 0.58) 0%, rgba(10, 38, 25, 0.44) 60%, rgba(14, 52, 34, 0.35) 100%) !important;
}