/* ================================================
   SUNDO VIỆT NAM — Light Mode Design System
   Brand color: #FF751F (Warm Orange)
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* === CSS VARIABLES === */
:root {
  /* Brand */
  --brand:         #FF751F;
  --brand-mid:     #FF8F3F;
  --brand-bright:  #FFAA60;
  --brand-glow:    #FFC98A;
  --brand-pale:    #FFF0E6;
  --brand-pale2:   #FFE0CC;

  /* Gold accent */
  --gold:          #B8860B;
  --gold-light:    #D4A843;
  --gold-pale:     #FEF3CD;

  /* Backgrounds */
  --bg-primary:    #FFF8F3;
  --bg-secondary:  #FFEFE3;
  --bg-card:       #FFFFFF;
  --bg-card-2:     #FFF8F3;

  /* Gradients */
  --accent-grad:   linear-gradient(135deg, #FF751F 0%, #FFAA60 100%);
  --accent-grad-r: linear-gradient(135deg, #FFAA60 0%, #FF751F 100%);
  --accent-gold:   linear-gradient(135deg, #B8860B 0%, #D4A843 100%);

  /* Text */
  --text-primary:   #2B1200;
  --text-secondary: #5C2A00;
  --text-muted:     #A07040;

  /* Borders */
  --border:         rgba(255,117,31,0.13);
  --border-hover:   rgba(255,117,31,0.30);

  /* Glass */
  --glass-bg:       rgba(255,255,255,0.85);

  /* Typography */
  --font-head: 'Be Vietnam Pro', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --section-py: 100px;
  --nav-h:      72px;
  --container:  1200px;
  --px:         24px;

  /* Radius */
  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  24px;
  --r-xl:  32px;

  /* Shadows */
  --shadow-sm:   0 2px 12px rgba(255,117,31,0.07);
  --shadow-card: 0 8px 40px rgba(255,117,31,0.10);
  --shadow-lg:   0 20px 60px rgba(255,117,31,0.14);
  --shadow-teal: 0 0 40px rgba(255,117,31,0.12);

  /* Transitions */
  --tr:    all 0.3s cubic-bezier(0.4,0,0.2,1);
  --tr-sl: all 0.6s cubic-bezier(0.4,0,0.2,1);
  --blur:  blur(20px);
}

/* ============================
   RESET & BASE
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--tr); }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul { list-style: none; }

/* ============================
   TYPOGRAPHY
   ============================ */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); line-height: 1.15; font-weight: 700; color: var(--text-primary); }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1rem, 1.8vw, 1.25rem); }
p  { line-height: 1.75; }

.gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gold-text { color: var(--gold); }
.muted { color: var(--text-muted); }

/* ============================
   LAYOUT
   ============================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--px);
}
section { padding: var(--section-py) 0; }

/* ============================
   SECTION HEADER
   ============================ */
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  background: var(--brand-pale2);
  border: 1px solid rgba(255,117,31,0.2);
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-bottom: 14px;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p {
  max-width: 580px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.divider { width: 56px; height: 3px; background: var(--accent-grad); border-radius: 2px; margin: 14px auto; }
.divider-left { margin: 14px 0; }

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: var(--tr);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 0 var(--px);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 800; font-size: 1.3rem;
  color: var(--text-primary);
}
.nav-logo img { height: 38px; width: auto; }
.nav-logo-text .sub { display: block; font-size: 0.55rem; font-weight: 400; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; line-height: 1; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 0.88rem; font-weight: 500;
  color: var(--text-secondary);
  position: relative; padding-bottom: 3px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent-grad); transition: var(--tr);
}
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active {
  color: var(--brand);
  font-weight: 700;
  background: var(--brand-pale);
  padding: 4px 12px;
  border-radius: 20px;
}
.nav-links a.active::after { display: none; }

.nav-right { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem; font-weight: 500;
  transition: var(--tr); cursor: pointer;
  background: transparent;
}
.lang-toggle:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-pale); }

.btn-nav-cta {
  padding: 9px 22px; border-radius: 25px;
  background: var(--accent-grad);
  color: #fff; font-size: 0.85rem; font-weight: 600;
  white-space: nowrap; transition: var(--tr);
  box-shadow: 0 3px 14px rgba(255,117,31,0.25);
}
.btn-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255,117,31,0.35); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--tr); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  padding: 16px var(--px) 24px;
  flex-direction: column; gap: 4px;
  z-index: 999;
  box-shadow: var(--shadow-card);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 8px; font-size: 1rem; font-weight: 500;
  color: var(--text-secondary); border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--brand); padding-left: 16px; }
.mobile-menu a.active {
  color: var(--brand); font-weight: 700;
  background: var(--brand-pale); border-radius: 10px;
  padding-left: 14px; border-bottom-color: transparent;
}
.mobile-menu-footer { display: flex; gap: 12px; align-items: center; padding-top: 16px; }
.mobile-menu-footer .lang-toggle { flex: 1; justify-content: center; }
.mobile-menu-footer .btn-nav-cta { flex: 1; text-align: center; }

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem;
  transition: var(--tr); cursor: pointer; white-space: nowrap;
}
.btn-primary {
  background: var(--accent-grad); color: #fff; border: none;
  box-shadow: 0 4px 18px rgba(255,117,31,0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,117,31,0.38); }
.btn-outline {
  background: transparent; color: var(--brand);
  border: 1.5px solid rgba(255,117,31,0.28);
}
.btn-outline:hover { border-color: var(--brand); background: var(--brand-pale); transform: translateY(-2px); }
.btn-gold {
  background: var(--accent-gold); color: #fff; border: none;
  box-shadow: 0 4px 18px rgba(184,134,11,0.25);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(184,134,11,0.35); }
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }

/* ============================
   CARDS
   ============================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px; transition: var(--tr);
  box-shadow: var(--shadow-sm);
}
.card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-card); }
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid rgba(255,117,31,0.1);
  border-radius: var(--r-lg);
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600;
}
.badge-blue   { background: var(--brand-pale2); color: var(--brand); border: 1px solid rgba(255,117,31,0.2); }
.badge-gold   { background: var(--gold-pale); color: var(--gold); border: 1px solid rgba(184,134,11,0.25); }
.badge-green  { background: var(--brand-pale2); color: var(--brand-mid); border: 1px solid rgba(255,117,31,0.2); }
.badge-purple { background: rgba(255,117,31,0.08); color: var(--brand-mid); border: 1px solid rgba(255,117,31,0.2); }

/* ============================
   HERO (Homepage)
   ============================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h); overflow: hidden;
  background: linear-gradient(160deg, #fff 45%, var(--brand-pale) 100%);
}
#hero-canvas {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.45;
}
.hero-glow {
  position: absolute; z-index: 0;
  border-radius: 50%; filter: blur(100px); pointer-events: none;
}
.hero-glow-1 { width: 600px; height: 600px; background: rgba(255,117,31,0.07); top: -100px; right: -100px; }
.hero-glow-2 { width: 400px; height: 400px; background: rgba(255,170,96,0.07); bottom: 0; left: -80px; }
.hero-inner {
  position: relative; z-index: 1; width: 100%;
  padding: 80px var(--px) 100px;
  max-width: var(--container); margin: 0 auto;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 25px;
  background: var(--brand-pale2); border: 1px solid rgba(255,117,31,0.22);
  color: var(--brand); font-size: 0.82rem; font-weight: 500;
  margin-bottom: 30px;
  animation: fadeInDown 0.7s ease both;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand-bright); animation: pulseDot 2s infinite;
}
.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900; line-height: 1.08;
  margin-bottom: 10px;
  animation: fadeInUp 0.7s ease 0.1s both;
  color: var(--text-primary);
}
.hero-sub {
  font-size: clamp(0.9rem, 1.8vw, 1.15rem);
  font-weight: 700; color: var(--gold);
  text-transform: uppercase; letter-spacing: 2.5px;
  margin-bottom: 22px;
  animation: fadeInUp 0.7s ease 0.2s both;
}
.hero-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-secondary); max-width: 540px;
  margin-bottom: 44px;
  animation: fadeInUp 0.7s ease 0.3s both;
}
.hero-btns {
  display: flex; gap: 14px; flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}
.hero-brands {
  margin-top: 72px;
  animation: fadeInUp 0.7s ease 0.5s both;
}
.hero-brands-label {
  font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 14px;
}
.hero-brands-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.brand-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 10px;
  background: #fff; border: 1.5px solid var(--border);
  font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
  transition: var(--tr); cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.brand-chip:hover { background: var(--brand-pale); border-color: var(--border-hover); color: var(--brand); box-shadow: var(--shadow-card); }
/* Brand image icons */
.brand-chip-icon {
  width: 22px; height: 22px;
  object-fit: contain; border-radius: 4px;
  background: #fff; padding: 2px;
}
.hero-scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.78rem;
  animation: fadeIn 1s ease 1s both;
}
.scroll-mouse {
  width: 22px; height: 34px; border: 2px solid rgba(255,117,31,0.25);
  border-radius: 11px; display: flex; justify-content: center; padding-top: 5px;
}
.scroll-dot {
  width: 3px; height: 7px; border-radius: 2px;
  background: var(--brand-bright); animation: scrollBounce 1.6s ease infinite;
}

/* ============================
   ECOSYSTEM CARDS
   ============================ */
.eco-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.eco-card {
  position: relative;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 36px 30px;
  overflow: hidden; transition: var(--tr); cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.eco-card-top-bar {
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px; border-radius: var(--r-xl) var(--r-xl) 0 0;
}
.eco-glow {
  position: absolute; top: -40%; right: -20%;
  width: 240px; height: 240px; border-radius: 50%;
  opacity: 0.05; filter: blur(50px); transition: var(--tr);
}
.eco-card:hover .eco-glow { opacity: 0.12; transform: scale(1.2); }
.eco-card:hover { transform: translateY(-8px); border-color: var(--eco-border, var(--border-hover)); box-shadow: var(--eco-shadow, var(--shadow-lg)); }
.eco-icon {
  width: 60px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 22px;
  background: var(--brand-pale2);
}
.eco-icon-img {
  background: #fff;
  padding: 7px;
  width: 80px; height: 56px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.eco-brand-logo {
  width: 100%; height: 100%;
  object-fit: contain;
}
.eco-card h3 { font-size: 1.35rem; margin-bottom: 6px; color: var(--text-primary); }
.eco-url { font-size: 0.75rem; color: var(--text-muted); font-family: monospace; margin-bottom: 14px; }
.eco-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; margin-bottom: 20px; }
.eco-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
.eco-tag {
  padding: 3px 10px; border-radius: 14px;
  font-size: 0.72rem; font-weight: 500;
  background: var(--bg-secondary); color: var(--text-muted);
}
.eco-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.83rem; font-weight: 600;
  transition: var(--tr);
}
.eco-link svg { transition: transform 0.2s; }
.eco-card:hover .eco-link svg { transform: translateX(4px); }

/* Brand-specific eco card colors */
.eco-dhtk { --eco-border: rgba(255,117,31,0.3); --eco-shadow: 0 20px 50px rgba(255,117,31,0.12); }
.eco-dhtk .eco-tag { background: var(--brand-pale2); color: var(--brand-mid); }
.eco-dhtk .eco-link { color: var(--brand); }
.eco-dhtk:hover { border-color: rgba(255,117,31,0.3) !important; }

.eco-tikxu { --eco-border: rgba(255,170,96,0.35); --eco-shadow: 0 20px 50px rgba(255,170,96,0.12); }
.eco-tikxu .eco-tag { background: var(--brand-pale); color: var(--brand); }
.eco-tikxu .eco-link { color: var(--brand-mid); }
.eco-tikxu:hover { border-color: rgba(255,170,96,0.35) !important; }

.eco-bloomia { --eco-border: rgba(184,134,11,0.3); --eco-shadow: 0 20px 50px rgba(184,134,11,0.10); }
.eco-bloomia .eco-tag { background: var(--gold-pale); color: var(--gold); }
.eco-bloomia .eco-link { color: var(--gold); }
.eco-bloomia:hover { border-color: rgba(184,134,11,0.3) !important; }

/* ============================
   STATS
   ============================ */
.stats-section {
  background: var(--brand);
  border-top: none;
  border-bottom: none;
  padding: 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.stat-item {
  text-align: center; padding: 52px 20px;
  border-right: 1px solid rgba(255,255,255,0.12);
  position: relative; transition: var(--tr-sl);
}
.stat-item:last-child { border-right: none; }
.stat-item::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px; background: rgba(255,255,255,0.4);
  border-radius: 2px; transition: var(--tr-sl);
}
.stat-item:hover { background: rgba(255,255,255,0.06); }
.stat-item:hover::after { width: 70%; }
.stat-num {
  font-family: var(--font-head); font-weight: 900;
  font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1;
  color: #fff;
  margin-bottom: 8px;
}
.stat-label { color: rgba(255,255,255,0.65); font-size: 0.88rem; font-weight: 500; }

/* ============================
   SERVICES GRID (Home)
   ============================ */
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.svc-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-md); padding: 28px 24px; transition: var(--tr);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.svc-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--accent-grad);
  transform: scaleX(0); transform-origin: left; transition: var(--tr);
}
.svc-card:hover { border-color: rgba(255,117,31,0.25); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.svc-card:hover::after { transform: scaleX(1); }
.svc-icon {
  width: 48px; height: 48px; border-radius: 11px;
  background: var(--brand-pale2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 18px;
}
/* Brand image overrides */
.svc-icon-img {
  background: #fff;
  padding: 6px;
  border: 1px solid var(--border);
}
.svc-icon-img img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.svc-card h4 { font-size: 1rem; margin-bottom: 8px; font-weight: 600; color: var(--text-primary); }
.svc-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* ============================
   CTA SECTION
   ============================ */
.cta-section {
  background: linear-gradient(135deg, var(--brand-pale) 0%, var(--brand-pale2) 100%);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,117,31,0.07), transparent 70%);
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-inner h2 { margin-bottom: 14px; }
.cta-inner p { color: var(--text-secondary); max-width: 480px; margin: 0 auto 36px; }
.cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================
   PAGE HERO (Subpages)
   ============================ */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 72px;
  text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #fff 40%, var(--brand-pale) 100%);
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% -20%, rgba(255,117,31,0.08), transparent 60%);
}
.page-hero-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 22px;
}
.breadcrumb a { color: var(--brand); }
.breadcrumb a:hover { color: var(--brand-mid); }
.breadcrumb span { opacity: 0.5; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ============================
   ABOUT PAGE
   ============================ */
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-text h2 { margin-bottom: 22px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; }
.about-visual {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 40px;
  display: flex; flex-direction: column; gap: 24px;
  box-shadow: var(--shadow-card);
}
.about-stat { display: flex; gap: 16px; align-items: flex-start; }
.about-stat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--brand-pale2); border: 1px solid rgba(255,117,31,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0;
}
.about-stat h4 { font-size: 1.4rem; margin-bottom: 2px; }
.about-stat p { font-size: 0.85rem; color: var(--text-muted); }

.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vm-card {
  background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--r-lg);
  padding: 32px; transition: var(--tr);
  box-shadow: var(--shadow-sm);
}
.vm-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.vm-icon { font-size: 2.2rem; margin-bottom: 16px; }
.vm-card h4 { margin-bottom: 10px; }
.vm-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

.values-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.val-card {
  text-align: center; padding: 32px 20px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); transition: var(--tr);
  box-shadow: var(--shadow-sm);
}
.val-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.val-icon { font-size: 2.4rem; margin-bottom: 14px; }
.val-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.val-card p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; }

.legal-box {
  max-width: 780px; margin: 0 auto;
  background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--r-xl); padding: 44px;
  box-shadow: var(--shadow-card);
}
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 52px; }
.legal-row .lbl { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 6px; font-weight: 500; }
.legal-row .val { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.legal-row .val.highlight { color: var(--gold); }

/* ============================
   SERVICES PAGE
   ============================ */
.svc-detail {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 48px; margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}
.svc-detail-head {
  display: flex; align-items: center; gap: 22px;
  padding-bottom: 28px; border-bottom: 1px solid var(--border); margin-bottom: 36px;
  flex-wrap: wrap;
}
.svc-detail-icon {
  width: 76px; height: 76px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; flex-shrink: 0;
}
.svc-detail-head h2 { font-size: 1.9rem; margin-bottom: 6px; }
.svc-detail-head p { color: var(--text-muted); font-size: 0.9rem; }
.svc-detail-head .badge-wrap { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

.process-flow { margin: 36px 0; }
.process-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 24px; font-weight: 600; }
.process-steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; position: relative; }
.process-steps::before {
  content: ''; position: absolute; top: 26px; left: 5%; right: 5%;
  height: 1px; background: var(--border);
}
.pstep { text-align: center; position: relative; }
.pstep-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--bg-card); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  margin: 0 auto 14px; position: relative; z-index: 1; transition: var(--tr);
  color: var(--text-primary);
}
.pstep:hover .pstep-num { border-color: var(--brand); color: var(--brand); background: var(--brand-pale); }
.pstep-title { font-size: 0.8rem; font-weight: 600; margin-bottom: 5px; color: var(--text-primary); }
.pstep-desc { font-size: 0.74rem; color: var(--text-muted); line-height: 1.5; }

.feats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feat-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-radius: var(--r-sm);
  background: var(--bg-secondary); border: 1px solid var(--border);
}
.feat-check {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  background: var(--brand-pale2); border: 1px solid rgba(255,117,31,0.25);
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.feat-check svg { width: 11px; height: 11px; color: var(--brand); }
.feat-item p { font-size: 0.88rem; color: var(--text-secondary); }

/* ============================
   COMMERCE PAGE
   ============================ */
.commerce-intro { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center; }
.commerce-intro h2 { margin-bottom: 20px; }
.commerce-intro p { color: var(--text-secondary); margin-bottom: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.product-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; transition: var(--tr);
  box-shadow: var(--shadow-sm);
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(255,117,31,0.28); box-shadow: var(--shadow-lg); }
.product-thumb {
  height: 180px; display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--brand-pale2), var(--brand-pale));
}
.product-info { padding: 22px; }
.product-info h4 { font-size: 1rem; margin-bottom: 8px; }
.product-info p { color: var(--text-muted); font-size: 0.87rem; line-height: 1.6; }

.vision-box {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-mid) 100%);
  border-radius: var(--r-xl); padding: 56px 48px;
  text-align: center;
}
.vision-box h3 { margin-bottom: 16px; color: #fff; }
.vision-box p { color: rgba(255,255,255,0.8); max-width: 580px; margin: 0 auto 32px; }
.vision-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 40px; }
.vision-item { padding: 24px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--r-md); }
.vision-item .icon { font-size: 1.8rem; margin-bottom: 12px; }
.vision-item h5 { margin-bottom: 8px; font-size: 0.95rem; color: #fff; }
.vision-item p { font-size: 0.83rem; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* ============================
   CONTACT PAGE
   ============================ */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.contact-info h3 { margin-bottom: 28px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.c-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  background: var(--brand-pale2); border: 1px solid rgba(255,117,31,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.c-lbl { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; font-weight: 500; }
.c-val { font-weight: 600; color: var(--text-primary); font-size: 0.97rem; }
.c-val a { color: var(--text-primary); }
.c-val a:hover { color: var(--brand); }

.working-hours { background: var(--brand-pale2); border: 1px solid rgba(255,117,31,0.18); border-radius: var(--r-md); padding: 18px 20px; margin-top: 28px; }
.working-hours .label { font-size: 0.78rem; color: var(--brand); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; font-weight: 600; }
.working-hours .time { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.working-hours .days { font-size: 0.85rem; color: var(--text-muted); }

.contact-form-box {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 44px 40px;
  box-shadow: var(--shadow-card);
}
.contact-form-box h3 { margin-bottom: 6px; }
.contact-form-box > .sub { color: var(--text-muted); margin-bottom: 30px; font-size: 0.9rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.83rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 7px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--bg-primary); border: 1.5px solid var(--border);
  border-radius: var(--r-sm); padding: 11px 15px;
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.93rem;
  transition: var(--tr); outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255,117,31,0.10);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: #fff; color: var(--text-primary); }

.map-wrapper {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1.5px solid var(--border); height: 380px; margin-top: 48px;
  box-shadow: var(--shadow-sm);
}
.map-wrapper iframe { width: 100%; height: 100%; border: none; }

/* ============================
   FOOTER
   ============================ */
footer { background: var(--brand); }
.footer-top {
  padding: 64px 0 48px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.footer-brand p { color: rgba(255,255,255,0.62); font-size: 0.88rem; line-height: 1.7; max-width: 260px; margin: 16px 0 22px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7); font-size: 0.95rem; transition: var(--tr);
}
.social-link:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.3); color: #fff; transform: translateY(-2px); }
/* Nav-logo in footer */
footer .nav-logo { color: #fff; }
footer .nav-logo-text .sub { color: rgba(255,255,255,0.5); }
.footer-col h5 {
  font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.4px; color: rgba(255,255,255,0.45); margin-bottom: 18px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col li a { font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.footer-col li a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: var(--gold-light); }
.footer-bottom a:hover { color: #fff; }
.footer-mst { font-size: 0.78rem; color: rgba(255,255,255,0.45); }

/* ============================
   SCROLL REVEAL
   ============================ */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }
.reveal-d5 { transition-delay: 0.5s; }

/* ============================
   ANIMATIONS
   ============================ */
@keyframes fadeInUp   { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn     { from { opacity:0; } to { opacity:1; } }
@keyframes pulseDot   { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(0.75); } }
@keyframes scrollBounce { 0% { transform:translateY(0); opacity:1; } 100% { transform:translateY(14px); opacity:0; } }
@keyframes float       { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-10px); } }

/* Lang fade */
.lang-fade [data-i18n], .lang-fade [data-i18n-placeholder] { opacity: 0 !important; transition: opacity 0.15s; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .eco-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .values-grid, .val-card { grid-column: span 1; }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .vm-grid { grid-template-columns: 1fr; }
  .about-intro-grid { grid-template-columns: 1fr; gap: 48px; }
  .commerce-intro { grid-template-columns: 1fr; gap: 48px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(3,1fr); }
  .process-steps::before { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .vision-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-py: 64px; --nav-h: 64px; }
  .nav-links, .btn-nav-cta { display: none; }
  .hamburger { display: flex; }
  .eco-grid, .services-grid, .product-grid, .feats-grid, .vm-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-box { padding: 28px 20px; }
  .legal-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; align-items: center; }
  .svc-detail { padding: 28px 20px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .vision-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .values-grid, .process-steps { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: 1fr; }
  .hero-brands-row { flex-direction: column; align-items: flex-start; }
}

/* ============================
   ZALO CHAT WIDGET
   ============================ */
.zalo-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

/* Popup card */
.zalo-popup {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.14);
  width: 264px;
  position: relative;
  transform: scale(0.88) translateY(14px);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: all 0.28s cubic-bezier(0.34,1.56,0.64,1);
}
.zalo-popup.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}
.zalo-popup-header {
  display: flex; align-items: center; gap: 11px;
  padding-bottom: 13px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  margin-bottom: 13px;
}
.zalo-popup-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #0068FF, #00AAFF);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
  position: relative;
}
.zalo-popup-avatar::after {
  content: '';
  position: absolute; bottom: 1px; right: 1px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #22c55e;
  border: 2px solid #fff;
}
.zalo-popup-name {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  color: #111; margin-bottom: 2px;
}
.zalo-popup-status {
  font-size: 0.72rem; color: #22c55e; font-weight: 500;
}
.zalo-popup-msg {
  background: #EFF6FF;
  border-radius: 4px 14px 14px 14px;
  padding: 10px 13px;
  font-size: 0.83rem;
  color: #333;
  line-height: 1.55;
  margin-bottom: 13px;
}
.zalo-popup-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 11px;
  background: linear-gradient(135deg, #0068FF, #00AAFF);
  color: #fff; border-radius: 12px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 0.88rem; font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  border: none; cursor: pointer;
}
.zalo-popup-btn:hover {
  background: linear-gradient(135deg, #0052CC, #008FDD);
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(0,104,255,0.32);
}
.zalo-popup-close {
  position: absolute; top: 11px; right: 13px;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,0,0,0.07);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.7rem; color: #666;
  transition: all 0.15s;
  border: none; line-height: 1;
}
.zalo-popup-close:hover { background: rgba(0,0,0,0.14); color: #111; }

/* FAB button */
.zalo-fab {
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #0068FF, #00AAFF);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border: none;
  box-shadow: 0 4px 20px rgba(0,104,255,0.38);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  flex-shrink: 0;
}
.zalo-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(0,104,255,0.5);
}
.zalo-fab:active { transform: scale(0.95); }

/* Tooltip */
.zalo-fab-tooltip {
  position: absolute; right: calc(100% + 12px); top: 50%;
  transform: translateY(-50%);
  background: #111; color: #fff;
  font-size: 0.75rem; font-weight: 600;
  font-family: 'Be Vietnam Pro', sans-serif;
  padding: 5px 11px; border-radius: 8px;
  white-space: nowrap; pointer-events: none;
  opacity: 0; transition: opacity 0.2s;
}
.zalo-fab-tooltip::after {
  content: '';
  position: absolute; left: 100%; top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: #111;
}
.zalo-fab:hover .zalo-fab-tooltip { opacity: 1; }

/* Pulse rings */
.zalo-pulse-ring {
  position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(0,104,255,0.4);
  animation: zalopulse 2.2s ease-out infinite;
  pointer-events: none;
}
.zalo-pulse-ring-2 {
  inset: -12px;
  border-color: rgba(0,104,255,0.2);
  animation-delay: 0.75s;
}
@keyframes zalopulse {
  0%   { transform: scale(1);    opacity: 1; }
  100% { transform: scale(1.6);  opacity: 0; }
}
@media (max-width: 480px) {
  .zalo-widget { bottom: 18px; right: 16px; }
  .zalo-popup { width: calc(100vw - 72px); }
}