:root {
  --gold: #d98c0f;
  --gold-dark: #a3590a;
  --gold-light: #fbbf24;
  --navy: #16181d;
  --navy-mid: #22252c;
  --navy-soft: #3a3f4a;
  --gray: #64748b;
  --gray-light: #e5e7eb;
  --gray-pale: #f8f7f4;
  --white: #ffffff;
  --accent-2: #10b981;
  --danger: #ef4444;
  --gradient-main: linear-gradient(135deg, #f7b733 0%, #c0710a 100%);
  --gradient-dark: linear-gradient(135deg, #22252c 0%, #0d0e11 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 24px rgba(15,23,42,.1);
  --shadow-lg: 0 20px 60px rgba(15,23,42,.15);
  --shadow-xl: 0 40px 80px rgba(15,23,42,.2);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --header-h: 104px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--navy);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  padding: 6px 14px;
  background: rgba(217,140,15,.1);
  border-radius: 40px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.75;
  max-width: 600px;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-desc { margin: 0 auto; }

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section { padding: 100px 0; }
.section-dark { background: var(--navy); }
.section-dark .section-label { color: var(--gold-light); background: rgba(251,191,36,.12); }
.section-dark .section-title { color: var(--white); }
.section-dark .section-desc { color: rgba(255,255,255,.65); }

.section-accent { background: linear-gradient(135deg, #fdf6e8 0%, #fbecd0 100%); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .95rem;
  padding: 12px 24px;
  border-radius: 40px;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(192,113,10,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(192,113,10,.5); }

.btn-ghost {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.5); }

.btn-white { background: var(--white); color: var(--navy); box-shadow: var(--shadow); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn-outline-white:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-text { font-weight: 700; color: var(--gold-dark); font-size: .9rem; display: inline-flex; align-items: center; gap: 4px; transition: gap var(--transition); }
.btn-text:hover { gap: 10px; }

#loader {
  position: fixed;
  inset: 0;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity .5s, visibility .5s;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
  width: 220px; height: auto; margin: 0 auto 32px;
  animation: loaderPop .7s cubic-bezier(0.34, 1.56, 0.64, 1) both,
             loaderPulse 1.8s ease-in-out .7s infinite;
}
@keyframes loaderPop { from { opacity: 0; transform: scale(.55); } to { opacity: 1; transform: scale(1); } }
@keyframes loaderPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.045); } }
.loader-bar { width: 220px; height: 3px; background: rgba(255,255,255,.15); border-radius: 4px; overflow: hidden; margin: 0 auto; }
.loader-fill { height: 100%; width: 0; background: var(--gradient-main); border-radius: 4px; animation: loaderFill 1.6s cubic-bezier(0.4,0,0.2,1) forwards; }
@keyframes loaderFill { to { width: 100%; } }

#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(15,23,42,.08);
}

.header-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; column-gap: 24px; height: var(--header-h); }
.header-inner .logo { justify-self: start; }
.header-inner #nav { justify-self: center; }
.header-inner .header-actions { justify-self: end; display: flex; align-items: center; gap: 16px; }

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-badge {
  position: relative;
  display: flex;
  align-items: center;
  height: 92px;
  transition: transform var(--transition), height var(--transition);
}
.logo:hover .logo-badge { transform: translateY(-1px); }
.logo-badge img {
  height: 92px; width: auto; display: block;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.12));
  transition: opacity var(--transition), height var(--transition);
}
.logo-badge .logo-light { position: absolute; top: 0; left: 0; opacity: 0; }
#header:not(.scrolled) .logo-badge .logo-dark { opacity: 0; }
#header:not(.scrolled) .logo-badge .logo-light { opacity: 1; }

#header.scrolled .logo-badge { height: 58px; }
#header.scrolled .logo-badge img { height: 58px; }

#nav { flex: 1; }
#nav ul { display: flex; gap: 4px; justify-content: center; align-items: center; }
#nav ul > li { position: relative; }
.nav-link {
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--white);
  border-radius: 40px;
  transition: background var(--transition), color var(--transition);
  opacity: .85;
  display: flex;
  align-items: center;
  gap: 4px;
}
#header.scrolled .nav-link { color: var(--navy-soft); }
.nav-link:hover { opacity: 1; background: rgba(255,255,255,.15); }
#header.scrolled .nav-link:hover { background: var(--gray-light); color: var(--navy); }

.has-dropdown .caret { font-size: .6rem; transition: transform var(--transition); }
.has-dropdown:hover .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 12px;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-inner {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dropdown-inner a {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .87rem;
  font-weight: 600;
  color: var(--navy-soft);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.dropdown-inner a:hover { background: var(--gray-pale); color: var(--gold-dark); }


.cart-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: var(--white);
  transition: background var(--transition), color var(--transition);
}
.cart-icon-btn svg { width: 21px; height: 21px; }
.cart-icon-btn:hover { background: rgba(255,255,255,.15); }
#header.scrolled .cart-icon-btn { color: var(--navy-soft); }
#header.scrolled .cart-icon-btn:hover { background: var(--gray-light); color: var(--navy); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; margin-left: auto; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }
#header.scrolled .hamburger span { background: var(--navy); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

#hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; background: var(--navy); }
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.hero-slide.active { opacity: 1; }
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(15,15,17,.92) 0%, rgba(15,15,17,.72) 45%, rgba(15,15,17,.35) 100%),
    linear-gradient(to top, rgba(15,15,17,.85) 0%, transparent 40%);
  z-index: 1;
}
.hero-dots {
  position: absolute;
  right: 32px;
  bottom: 120px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero-dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transition: all var(--transition);
}
.hero-dots button.active { background: var(--gold-light); height: 24px; border-radius: 4px; }

.hero-content { position: relative; z-index: 2; padding-top: var(--header-h); padding-bottom: 80px; max-width: 760px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  background: rgba(251,191,36,.15);
  border: 1px solid rgba(251,191,36,.35);
  border-radius: 40px;
  font-size: .85rem; font-weight: 600; color: var(--gold-light);
  margin-bottom: 24px; backdrop-filter: blur(8px);
}
.hero-title { font-size: clamp(2.3rem, 5.4vw, 4.4rem); font-weight: 900; line-height: 1.12; color: var(--white); margin-bottom: 24px; }
.hero-desc { font-size: clamp(1rem, 2vw, 1.15rem); color: rgba(255,255,255,.75); line-height: 1.75; margin-bottom: 40px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 900; color: var(--white); line-height: 1; }
.stat span:not(.stat-num) { font-size: 1.4rem; font-weight: 900; color: var(--gold-light); }
.stat p { font-size: .78rem; color: rgba(255,255,255,.55); margin-top: 4px; font-weight: 500; letter-spacing: .04em; }
.stat-divider { width: 1px; height: 48px; background: rgba(255,255,255,.15); flex-shrink: 0; }

.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.4); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase;
  z-index: 2;
}
.scroll-arrow { width: 24px; height: 24px; border-right: 2px solid rgba(255,255,255,.3); border-bottom: 2px solid rgba(255,255,255,.3); transform: rotate(45deg); animation: scrollBounce 1.5s ease-in-out infinite; }
@keyframes scrollBounce { 0%,100% { transform: rotate(45deg) translateY(0); } 50% { transform: rotate(45deg) translateY(5px); } }

.marquee-section { background: var(--gradient-main); padding: 14px 0; overflow: hidden; white-space: nowrap; }
.marquee-track { display: inline-flex; gap: 24px; animation: marqueeRun 32s linear infinite; }
.marquee-track span { font-size: .85rem; font-weight: 700; color: rgba(20,15,5,.85); letter-spacing: .08em; text-transform: uppercase; flex-shrink: 0; }
.marquee-track .dot { color: rgba(20,15,5,.4) !important; }
@keyframes marqueeRun { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.about-grid { display: flex; flex-direction: column; gap: 40px; }
.about-visual { position: relative; }
.about-img-stack {
  position: relative;
  aspect-ratio: 1920 / 500;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background-color: var(--white);
}
.about-img-main, .about-img-accent {
  background-size: contain; background-repeat: no-repeat; background-position: center;
  background-color: var(--white);
}

.about-img-stack.effect-fade .about-img-track { position: relative; width: 100%; height: 100%; }
.about-img-stack.effect-fade .about-img-main,
.about-img-stack.effect-fade .about-img-accent {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.about-img-stack.effect-fade .about-img-main.active,
.about-img-stack.effect-fade .about-img-accent.active {
  opacity: 1;
}

.about-img-stack.effect-push .about-img-track {
  display: flex; width: 200%; height: 100%;
  transition: transform .9s cubic-bezier(0.4,0,0.2,1);
}
.about-img-stack.effect-push .about-img-main,
.about-img-stack.effect-push .about-img-accent {
  flex: 0 0 50%; width: 50%; height: 100%;
}

.about-badge-float { position: absolute; top: 16px; right: 24px; background: var(--gradient-main); border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow-lg); z-index: 2; }
.about-badge-inner { text-align: center; color: var(--white); }
.badge-num { font-size: 2.5rem; font-weight: 900; display: block; line-height: 1; }
.badge-text { font-size: .75rem; font-weight: 600; opacity: .9; line-height: 1.4; }

.about-content p { color: var(--gray); line-height: 1.8; margin-bottom: 16px; }
.about-content blockquote {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 18px;
  margin: 20px 0;
  font-weight: 700;
  color: var(--navy);
  font-size: 1.05rem;
}
.about-features { display: flex; flex-direction: column; gap: 16px; margin: 32px 0; }
.about-feat { display: flex; gap: 16px; align-items: flex-start; }
.feat-icon { font-size: 1.5rem; flex-shrink: 0; width: 48px; height: 48px; background: var(--gray-pale); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.about-feat strong { display: block; font-weight: 700; color: var(--navy); margin-bottom: 2px; }
.about-feat p { margin: 0; font-size: .9rem; }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  animation-delay: var(--delay);
  position: relative;
  display: block;
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(251,191,36,.3); }
.product-card-media { height: 170px; background-size: cover; background-position: center; position: relative; }
.product-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,15,17,.9), transparent 60%); }
.product-card-icon {
  position: absolute; bottom: 12px; left: 16px; z-index: 1;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--gradient-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; box-shadow: var(--shadow);
}
.product-card-body { padding: 24px 24px 28px; }
.product-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.product-card p { font-size: .88rem; color: rgba(255,255,255,.55); line-height: 1.7; margin-bottom: 18px; }
.product-features { margin-bottom: 20px; display: flex; flex-direction: column; gap: 6px; }
.product-features li { font-size: .84rem; color: rgba(255,255,255,.5); font-weight: 500; }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(217,140,15,.1); border-radius: var(--radius-lg); overflow: hidden; }
.why-card { background: white; padding: 40px 32px; transition: background var(--transition); animation-delay: var(--delay); }
.why-card:hover { background: #fdf6e8; }
.why-number { font-size: 3rem; font-weight: 900; color: var(--gray-light); line-height: 1; margin-bottom: 16px; transition: color var(--transition); }
.why-card:hover .why-number { color: var(--gold-light); }
.why-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.why-card p { font-size: .9rem; color: var(--gray); line-height: 1.7; }

.gallery-masonry { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 240px); gap: 16px; }
.gallery-item { border-radius: var(--radius); background-size: cover; background-position: center; overflow: hidden; position: relative; cursor: pointer; background-color: var(--gray-pale); }
.gallery-item.large { grid-column: span 2; }
.gallery-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,.85) 0%, transparent 60%); display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; transform: translateY(8px); transition: transform var(--transition); }
.gallery-item:hover .gallery-overlay { transform: translateY(0); }
.gallery-overlay span { font-size: .95rem; font-weight: 700; color: var(--white); display: block; }
.gallery-overlay small { font-size: .78rem; color: rgba(255,255,255,.6); margin-top: 4px; }
.gallery-item::after { content: ''; position: absolute; inset: 0; background: rgba(217,140,15,.18); opacity: 0; transition: opacity var(--transition); }
.gallery-item:hover::after { opacity: 1; }

.certs-strip { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: center; }
.cert-pill { display: flex; align-items: center; gap: 10px; padding: 12px 20px; background: var(--white); border: 1px solid var(--gray-light); border-radius: 40px; box-shadow: var(--shadow-sm); font-size: .85rem; font-weight: 700; color: var(--navy-soft); }
.cert-pill .dot-ico { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-main); flex-shrink: 0; }

.certs-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-thumb { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-light); background: var(--white); box-shadow: var(--shadow-sm); transition: all var(--transition); cursor: pointer; }
.cert-thumb:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.cert-thumb img { width: 100%; height: 220px; object-fit: cover; object-position: top; }

.partners-track-wrap { overflow: hidden; }
.partners-track { display: flex; gap: 56px; align-items: center; animation: marqueeRun 26s linear infinite; width: max-content; }
.partner-logo { height: 56px; display: flex; align-items: center; }
.partner-logo img { height: 100%; width: auto; max-width: 180px; object-fit: contain; filter: grayscale(100%); opacity: .65; transition: all var(--transition); }
.partner-logo img:hover { filter: grayscale(0%); opacity: 1; }

.services-list { display: flex; flex-direction: column; gap: 2px; }
.service-item { background: var(--gray-pale); transition: background var(--transition); animation-delay: var(--delay); position: relative; overflow: hidden; }
.services-list .service-item:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.services-list .service-item:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.service-item::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--gradient-main); transform: scaleY(0); transition: transform var(--transition); border-radius: 4px; z-index: 1; }
.service-item:hover { background: #fdf6e8; }
.service-item:hover::before, .service-item.open::before { transform: scaleY(1); }
.service-header {
  display: flex; align-items: center; gap: 24px; width: 100%;
  padding: 28px 36px; background: none; border: none; margin: 0;
  font: inherit; color: inherit; text-align: left; cursor: pointer;
  transition: padding var(--transition);
}
.service-item:hover .service-header { padding-left: 44px; }
.service-icon { font-size: 1.8rem; flex-shrink: 0; }
.service-content { flex: 1; }
.service-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.service-content p { font-size: .9rem; color: var(--gray); line-height: 1.6; }
.service-tag { padding: 4px 14px; background: var(--gradient-main); color: var(--white); border-radius: 40px; font-size: .75rem; font-weight: 700; flex-shrink: 0; }
.service-caret { font-size: .85rem; color: var(--gray); flex-shrink: 0; transition: transform var(--transition); }
.service-item.open .service-caret { transform: rotate(180deg); color: var(--gold-dark); }
.service-detail { max-height: 0; overflow: hidden; transition: max-height .45s cubic-bezier(0.4,0,0.2,1); }
.service-item.open .service-detail { max-height: 500px; }
.service-detail-inner { padding: 0 36px 28px 84px; font-size: .9rem; color: var(--navy-soft); line-height: 1.8; }
.service-detail-inner ul { margin: 10px 0 0; padding-left: 20px; }
.service-detail-inner li { margin-bottom: 6px; }

.cta-banner { position: relative; padding: 100px 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #16181d 0%, #3a2408 55%, #16181d 100%); }
.cta-bg::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.05)'/%3E%3C/svg%3E"); }
.cta-content { position: relative; z-index: 1; text-align: center; }
.cta-content h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: var(--white); margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,.7); font-size: 1.1rem; margin-bottom: 40px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

.job-layout { display: grid; grid-template-columns: 360px 1fr; gap: 56px; align-items: start; }
.job-layout .contact-grid { gap: 32px; }
.job-photo { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xl); position: sticky; top: calc(var(--header-h) + 24px); }
.job-photo img { width: 100%; display: block; cursor: zoom-in; }
.contact-info p { color: var(--gray); line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-weight: 700; color: var(--navy); margin-bottom: 2px; }
.contact-item p { margin: 0; font-size: .9rem; color: var(--gray); }
.contact-item a { color: var(--gold-dark); font-weight: 600; }
.social-links { display: flex; gap: 12px; }
.social-btn { width: 44px; height: 44px; background: var(--gray-pale); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--gray); transition: all var(--transition); }
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover { background: var(--gold); color: var(--white); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(217,140,15,.3); }

.contact-form-wrap { background: var(--white); border: 1px solid var(--gray-light); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 700; color: var(--navy-soft); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; background: var(--gray-pale); border: 2px solid transparent; border-radius: var(--radius-sm); font-size: .95rem; color: var(--navy); transition: border-color var(--transition), background var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--gold); background: var(--white); box-shadow: 0 0 0 4px rgba(217,140,15,.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.btn.btn-primary svg { width: 18px; height: 18px; }

.form-message { margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 600; text-align: center; }
.form-message.success { background: rgba(16,185,129,.1); color: #065f46; }
.form-message.error { background: rgba(239,68,68,.1); color: #991b1b; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); height: 380px; border: 1px solid var(--gray-light); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

#footer { background: var(--navy); }
.footer-top { display: grid; grid-template-columns: 300px 1fr; gap: 60px; padding: 80px 0 60px; }
.footer-logo { margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 76px; width: auto; }
.footer-brand p { font-size: .9rem; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 24px; }
.footer-cert { display: flex; gap: 8px; flex-wrap: wrap; }
.cert-badge { padding: 4px 12px; border: 1px solid rgba(255,255,255,.15); border-radius: 40px; font-size: .7rem; font-weight: 700; color: rgba(255,255,255,.5); letter-spacing: .05em; }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 { font-size: .85rem; font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li { font-size: .9rem; color: rgba(255,255,255,.45); line-height: 1.5; }
.footer-col a { font-size: .9rem; color: rgba(255,255,255,.45); transition: color var(--transition); }
.footer-col a:hover { color: var(--gold-light); }
.footer-col p { font-size: .85rem; color: rgba(255,255,255,.45); line-height: 1.6; margin-bottom: 16px; }

.footer-factory {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-factory-info { flex: 0 0 260px; }
.footer-factory-info h4 { font-size: .85rem; font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 10px; }
.footer-factory-info p { font-size: .95rem; color: rgba(255,255,255,.6); line-height: 1.6; }
.footer-map {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  height: 220px;
  border: 1px solid rgba(255,255,255,.12);
  filter: grayscale(.2) contrast(1.05);
}
.footer-map iframe { width: 100%; height: 100%; border: 0; display: block; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: .85rem; color: rgba(255,255,255,.3); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: .8rem; color: rgba(255,255,255,.3); transition: color var(--transition); }
.footer-legal a:hover { color: rgba(255,255,255,.6); }

#backToTop {
  position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px;
  background: var(--gradient-main); color: var(--white); border-radius: 50%; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(192,113,10,.4); z-index: 500;
  opacity: 0; pointer-events: none; transform: translateY(16px); transition: all var(--transition);
}
#backToTop.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#backToTop:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(192,113,10,.5); }

.float-actions {
  position: fixed; bottom: 32px; left: 32px; z-index: 500;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); transition: all var(--transition);
  overflow: hidden;
}
.float-btn svg { width: 24px; height: 24px; }
.float-btn.call { background: var(--accent-2); color: var(--white); animation: pulseRing 2s infinite; }
.float-btn.zalo { background: var(--white); padding: 8px; }
.float-btn.zalo img { width: 100%; height: 100%; object-fit: contain; }
.float-btn.facebook { background: #1877f2; color: var(--white); }
.float-btn:hover { transform: scale(1.08); }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(16,185,129,.5); } 70% { box-shadow: 0 0 0 14px rgba(16,185,129,0); } 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); } }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .6s cubic-bezier(0.4,0,0.2,1), transform .6s cubic-bezier(0.4,0,0.2,1); transition-delay: var(--delay, 0s); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Shared Image Lightbox (product gallery + zoomable images) ===== */
.img-lightbox {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(10,12,16,.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition);
}
.img-lightbox.active { opacity: 1; visibility: visible; }
.img-lightbox-img {
  max-width: min(90vw, 900px); max-height: 86vh; object-fit: contain;
  border-radius: var(--radius-sm);
  transform: scale(.96); transition: transform var(--transition);
}
.img-lightbox.active .img-lightbox-img { transform: scale(1); }
.img-lightbox-close, .img-lightbox-nav {
  position: absolute; background: rgba(255,255,255,.1); color: var(--white);
  border: none; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.img-lightbox-close:hover, .img-lightbox-nav:hover { background: rgba(255,255,255,.22); }
.img-lightbox-close { top: 20px; right: 20px; width: 44px; height: 44px; font-size: 1.1rem; }
.img-lightbox-nav { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 1.8rem; }
.img-lightbox-prev { left: 16px; }
.img-lightbox-next { right: 16px; }

@media (max-width: 640px) {
  .img-lightbox-nav { width: 40px; height: 40px; font-size: 1.4rem; }
  .img-lightbox-close { width: 38px; height: 38px; }
  .img-lightbox-img { max-width: 94vw; max-height: 78vh; }
}

.breadcrumb { font-size: .85rem; color: var(--gray); margin-bottom: 16px; }
.breadcrumb a { color: var(--gold-dark); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.page-hero { padding: calc(var(--header-h) + 48px) 0 56px; position: relative; overflow: hidden; background: var(--gray-pale); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero-icon { font-size: 3rem; margin-bottom: 12px; display: block; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--navy); margin-bottom: 12px; }
.page-hero p { font-size: 1.05rem; color: var(--gray); max-width: 640px; line-height: 1.75; }

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .certs-gallery { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .job-layout { grid-template-columns: 1fr; gap: 32px; }
  .job-photo { position: static; max-width: 380px; margin: 0 auto; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .logo-badge, .logo-badge img { height: 56px; }
  #header.scrolled .logo-badge, #header.scrolled .logo-badge img { height: 40px; }
  .section { padding: 70px 0; }

  .header-inner { display: flex; justify-content: space-between; }
  #nav, .header-cta { display: none; }
  #nav.open {
    display: block; position: fixed; top: var(--header-h); left: 0; right: 0;
    background: rgba(22,24,29,.98); backdrop-filter: blur(16px); padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  #nav.open ul { flex-direction: column; gap: 2px; align-items: stretch; }
  #nav.open .nav-link { color: rgba(255,255,255,.85); display: flex; padding: 14px 16px; font-size: 1rem; opacity: 1; justify-content: space-between; }
  #nav.open .nav-link:hover { background: rgba(255,255,255,.08); color: var(--white); }
  #nav.open .dropdown { position: static; opacity: 1; visibility: visible; transform: none; padding-top: 0; display: none; }
  #nav.open .has-dropdown.open-sub .dropdown { display: block; }
  #nav.open .dropdown-inner { background: rgba(255,255,255,.04); box-shadow: none; padding: 4px 8px 10px 16px; }
  #nav.open .dropdown-inner a { color: rgba(255,255,255,.6); white-space: normal; }
  .hamburger { display: flex; }

  .hero-content { max-width: 100%; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .hero-dots { right: 16px; bottom: 90px; }

  .products-grid { grid-template-columns: 1fr; }

  .about-badge-float { right: 12px; top: 12px; padding: 14px 18px; }

  .why-grid { grid-template-columns: 1fr; gap: 2px; }

  .gallery-masonry { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .gallery-item.large { grid-column: span 2; height: 220px; }
  .gallery-item:not(.large) { height: 180px; }

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

  .service-header { flex-wrap: wrap; padding: 24px; }
  .service-item:hover .service-header { padding-left: 24px; }
  .service-detail-inner { padding: 0 24px 24px 24px; }

  .form-row { grid-template-columns: 1fr; }

  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-factory { flex-direction: column; align-items: stretch; gap: 16px; }
  .footer-factory-info { flex: none; }
  .footer-map { height: 180px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }

  #backToTop { bottom: 20px; right: 20px; }
  .float-actions { bottom: 20px; left: 20px; }
  .float-btn { width: 46px; height: 46px; font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .hero-stats { justify-content: center; }
  .footer-links { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 20px; }
  .why-card { padding: 28px 20px; }
  .gallery-masonry { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; height: 200px; }
  .gallery-item:not(.large) { height: 180px; }
  .certs-gallery { grid-template-columns: 1fr 1fr; }
}