:root {
  --navy: #0a1d34;
  --navy-2: #112a49;
  --blue: #0865cf;
  --gold: #d8a92f;
  --ink: #152337;
  --muted: #617087;
  --line: #dfe6ee;
  --soft: #f3f6f9;
  --white: #fff;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Manrope", system-ui, sans-serif; color: var(--ink); background: #fff; font-size: 16px; line-height: 1.65; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 50; min-height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 12px clamp(20px, 5vw, 72px); background: rgba(8, 26, 47, .96); color: #fff; backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.1); }
.brand, .footer-brand { display: flex; align-items: center; gap: 11px; }
.brand > span:last-child, .footer-brand > span:last-child { display: grid; line-height: 1.08; letter-spacing: .06em; }
.brand strong, .footer-brand strong { font-size: 18px; }
.brand small, .footer-brand small { margin-top: 4px; font-size: 10px; color: #9fb1c7; letter-spacing: .22em; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; background: #071f3f; display: block; overflow: hidden; line-height: 0; }
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: cover; }
.brand-mark.small { width: 36px; height: 36px; }
nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 36px); font-size: 14px; font-weight: 600; }
nav a:not(.nav-cta) { color: #cbd7e5; }
nav a:hover { color: #fff; }
.nav-cta { padding: 10px 18px; border-radius: 999px; background: var(--gold); color: var(--navy); }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.02fr .98fr; background: var(--navy); color: #fff; }
.hero-copy { padding: clamp(70px, 10vw, 138px) clamp(32px, 7vw, 110px); display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 16px; color: #81b8f7; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.eyebrow.dark { color: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(42px, 5.5vw, 76px); line-height: 1.05; letter-spacing: -.045em; }
.lead { max-width: 700px; color: #c2cfde; font-size: 18px; }
.hero-actions { display: flex; gap: 12px; margin: 18px 0 44px; flex-wrap: wrap; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; padding: 0 22px; border: 1px solid transparent; font-weight: 800; cursor: pointer; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold); color: var(--navy); }
.button-ghost { border-color: rgba(255,255,255,.28); color: #fff; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; }
.hero-stats div { border-top: 1px solid rgba(255,255,255,.18); padding-top: 16px; }
.hero-stats dt { font-size: 22px; font-weight: 800; }
.hero-stats dd { margin: 2px 0 0; color: #93a7bd; font-size: 13px; }
.hero-media { position: relative; min-height: 520px; overflow: hidden; background: #ddd; }
.hero-media img { height: 100%; object-fit: cover; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,29,52,.28), transparent 45%); }
.hero-badge { position: absolute; z-index: 2; right: 28px; bottom: 28px; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: 14px; background: rgba(9,25,44,.88); backdrop-filter: blur(9px); }
.hero-badge span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: var(--gold); color: var(--navy); font-weight: 900; }
.hero-badge strong { font-size: 13px; }
.trust-line { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--gold); color: var(--navy); font-size: 13px; font-weight: 800; text-align: center; letter-spacing: .02em; }
.trust-line span { padding: 18px 12px; border-right: 1px solid rgba(10,29,52,.18); }
.section { padding: 110px clamp(22px, 6vw, 92px); }
.section-head { display: grid; grid-template-columns: 1.15fr .85fr; gap: 42px; align-items: end; margin-bottom: 44px; }
.section-head h2, .contact h2 { margin-bottom: 0; font-size: clamp(34px, 4.2vw, 58px); line-height: 1.08; letter-spacing: -.035em; }
.section-head > p { max-width: 600px; margin-bottom: 4px; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.product-card { min-height: 440px; display: grid; grid-template-rows: 1fr auto; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.product-card-wide { grid-column: span 2; }
.product-card img { height: 310px; object-fit: cover; background: var(--soft); transition: transform .45s ease; }
.product-card:hover img { transform: scale(1.035); }
.product-body { padding: 22px 24px 26px; }
.product-body p { margin-bottom: 7px; color: var(--blue); font-weight: 800; font-size: 12px; letter-spacing: .15em; }
.product-body h3 { margin-bottom: 7px; font-size: 21px; }
.product-body span { color: var(--muted); font-size: 14px; }
.catalog-panel { margin-top: 24px; display: grid; grid-template-columns: 220px 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(26px, 4vw, 52px); overflow: hidden; border-radius: var(--radius); background: linear-gradient(135deg, #0b1f37 0%, #102e4f 100%); color: #fff; }
.catalog-cover { position: relative; max-width: 220px; padding: 9px; border-radius: 14px; background: rgba(255,255,255,.1); box-shadow: 0 22px 46px rgba(0,0,0,.28); }
.catalog-cover img { display: block; width: 100%; aspect-ratio: 595 / 842; object-fit: cover; border-radius: 8px; }
.catalog-cover span { position: absolute; right: 18px; bottom: 18px; padding: 7px 10px; border-radius: 8px; background: rgba(5,18,33,.9); color: #fff; font-size: 12px; font-weight: 800; }
.catalog-copy h3 { margin: 4px 0 16px; font-size: clamp(28px, 3.5vw, 46px); line-height: 1.08; letter-spacing: -.03em; }
.catalog-copy > p:not(.eyebrow) { max-width: 760px; color: #c2cfde; }
.catalog-copy ul { margin: 22px 0 26px; padding: 0; display: grid; gap: 9px; list-style: none; color: #e5edf6; }
.catalog-copy li::before { content: "✓"; margin-right: 10px; color: var(--gold); font-weight: 800; }
.catalog-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.catalog-download { border-color: rgba(255,255,255,.3); color: #fff; }
.section-dark { background: var(--navy); color: #fff; }
.section-head.light > p { color: #aabace; }
.facility-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 250px 250px; gap: 16px; }
.facility-grid figure { position: relative; margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--navy-2); }
.facility-grid figure img { height: 100%; object-fit: cover; opacity: .9; }
.facility-grid figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(4,16,30,.9)); }
.facility-main { grid-row: span 2; }
.facility-grid figcaption { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 19px; display: grid; }
.facility-grid figcaption b { font-size: 16px; }
.facility-grid figcaption span { color: #b7c6d7; font-size: 13px; }
.capability-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.capability-cards article { padding: 28px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); background: rgba(255,255,255,.035); }
.capability-cards span { color: var(--gold); font-weight: 800; font-size: 13px; }
.capability-cards h3 { margin: 11px 0 8px; }
.capability-cards p { margin-bottom: 0; color: #aabace; font-size: 14px; }
.steps { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; counter-reset: none; border-top: 1px solid var(--line); }
.steps li { padding: 30px 28px; border-right: 1px solid var(--line); }
.steps li:first-child { padding-left: 0; }
.steps li:last-child { border-right: 0; }
.steps span { color: var(--blue); font-weight: 800; font-size: 13px; }
.steps h3 { margin: 14px 0 7px; font-size: 20px; }
.steps p { color: var(--muted); font-size: 14px; }
.locations { background: var(--soft); }
.location-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.location-grid article { min-height: 280px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: flex; flex-direction: column; }
.location-grid h3 { margin: 18px 0 12px; font-size: 23px; }
.location-grid p { margin-bottom: 22px; color: var(--muted); }
.location-grid small { margin-top: auto; padding-top: 17px; border-top: 1px solid var(--line); color: #79869a; font-size: 13px; }
.location-tag { align-self: flex-start; padding: 7px 11px; border-radius: 999px; background: #e8f1fc; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.location-vietnam { background: var(--navy) !important; color: #fff; border-color: var(--navy) !important; }
.location-vietnam p { color: #c2cfde; }
.location-vietnam small { color: #9fb1c7; border-top-color: rgba(255,255,255,.15); }
.location-vietnam .location-tag { background: var(--gold); color: var(--navy); }
.contact { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px, 8vw, 120px); background: var(--blue); color: #fff; }
.contact-copy > p { color: #d6e7fb; }
.contact-note { display: grid; gap: 4px; margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.25); }
.contact-note span { color: #d3e4f7; font-size: 14px; }
.contact-channels { display: grid; gap: 10px; margin-top: 26px; }
.contact-channels a, .contact-channels button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 16px; border: 1px solid rgba(255,255,255,.28); border-radius: 12px; background: rgba(255,255,255,.08); color: #fff; text-align: left; cursor: pointer; }
.contact-channels a:hover, .contact-channels button:hover { background: rgba(255,255,255,.15); }
.contact-channels b { font-size: 14px; }
.contact-channels span { color: #d6e7fb; font-size: 13px; }
.quote-form { padding: clamp(26px, 4vw, 46px); border-radius: 20px; background: #fff; color: var(--ink); box-shadow: 0 22px 50px rgba(0,0,0,.18); }
.quote-form label { display: grid; gap: 8px; margin-bottom: 17px; font-weight: 700; font-size: 14px; }
.quote-form input, .quote-form textarea { width: 100%; border: 1px solid #cfd8e3; border-radius: 10px; padding: 13px 14px; color: var(--ink); background: #fff; outline: none; }
.quote-form input:focus, .quote-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8,101,207,.11); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.full { width: 100%; }
.quote-result { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.button-copy { width: 100%; background: var(--navy); color: #fff; }
.button-zalo { width: 100%; margin-top: 10px; background: var(--blue); color: #fff; }
#copy-status { min-height: 22px; margin: 8px 0 0; color: #1f7a46; font-size: 13px; text-align: center; }
footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 28px; padding: 30px clamp(22px, 6vw, 92px); background: #061425; color: #fff; }
footer p, footer a { margin: 0; color: #9fb1c7; font-size: 13px; }
@media (max-width: 980px) {
  nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 84px 28px 70px; }
  .hero-media { min-height: 480px; }
  .section-head, .contact { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card-wide { grid-column: span 1; }
  .facility-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 330px 250px 250px; }
  .facility-main { grid-column: span 2; grid-row: auto; }
  .capability-cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:first-child { padding-left: 28px; }
  footer { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .site-header { min-height: 68px; padding: 10px 16px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: 15px; }
  .nav-cta { padding: 9px 13px; font-size: 13px; }
  h1 { font-size: 42px; }
  .lead { font-size: 16px; }
  .hero-media { min-height: 350px; }
  .hero-stats { gap: 8px; }
  .hero-stats dt { font-size: 17px; }
  .hero-stats dd { font-size: 11px; }
  .hero-badge { left: 18px; right: auto; bottom: 18px; }
  .trust-line { grid-template-columns: 1fr 1fr; }
  .section { padding: 78px 18px; }
  .section-head { gap: 18px; margin-bottom: 30px; }
  .section-head h2, .contact h2 { font-size: 36px; }
  .product-grid, .capability-cards, .steps, .form-row, .location-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 400px; }
  .product-card img { height: 275px; }
  .catalog-panel { grid-template-columns: 1fr; }
  .catalog-cover { width: 170px; }
  .catalog-actions .button { width: 100%; }
  .facility-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: repeat(4, 310px); }
  .facility-main { grid-column: auto; }
  .steps li, .steps li:first-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .steps li:last-child { border-bottom: 0; }
  .quote-form { padding: 24px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}