:root {
  --navy: #071c33;
  --navy-2: #0c2a49;
  --navy-3: #143c61;
  --gold: #d8ad59;
  --gold-2: #f0ce83;
  --cream: #f7f4ed;
  --paper: #fffdf8;
  --white: #ffffff;
  --ink: #132234;
  --muted: #647184;
  --line: rgba(7, 28, 51, .13);
  --shadow: 0 24px 70px rgba(7, 28, 51, .14);
  --radius: 6px;
  --container: 1240px;
  --display-font: "Times New Roman", "Noto Serif", serif;
}

html[lang="zh"] { --display-font: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif; }
html[lang="ko"] { --display-font: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
html[lang="ja"] { --display-font: "Yu Mincho", "Yu Gothic", "Noto Sans JP", sans-serif; }
html:is([lang="zh"], [lang="ko"], [lang="ja"]) h1,
html:is([lang="zh"], [lang="ko"], [lang="ja"]) h2 { letter-spacing: -.01em; }
html:is([lang="zh"], [lang="ko"], [lang="ja"]) h1 { max-width: 820px; font-size: clamp(52px, 5.2vw, 76px); line-height: 1.14; }
html:is([lang="zh"], [lang="ko"], [lang="ja"]) h1 em,
html:is([lang="zh"], [lang="ko"], [lang="ja"]) h2 em { font-style: normal; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.menu-open, body.modal-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
svg { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--gold); padding: 10px 16px; border-radius: 0 0 4px 4px; transition: top .2s; }
.skip-link:focus { top: 0; }

.topbar { height: 34px; background: #031221; color: rgba(255,255,255,.72); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.topbar-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.topbar a { display: flex; gap: 7px; align-items: center; color: var(--gold-2); font-weight: 800; }
.topbar svg { width: 13px; }

.site-header { position: absolute; z-index: 50; top: 34px; left: 0; right: 0; border-bottom: 1px solid rgba(255,255,255,.19); color: var(--white); transition: background .3s, box-shadow .3s, transform .3s; }
.site-header.sticky { position: fixed; top: 0; background: rgba(7, 28, 51, .97); box-shadow: 0 12px 30px rgba(0,0,0,.17); }
.header-inner { height: 82px; display: flex; align-items: center; gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; color: var(--navy); background: linear-gradient(145deg, var(--gold-2), var(--gold)); clip-path: polygon(50% 0, 94% 25%, 94% 75%, 50% 100%, 6% 75%, 6% 25%); font-size: 13px; font-weight: 900; letter-spacing: -.05em; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.1; }
.brand strong { font-size: 18px; letter-spacing: .14em; }
.brand small { margin-top: 5px; color: rgba(255,255,255,.66); font-size: 8px; letter-spacing: .25em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.main-nav a { position: relative; color: rgba(255,255,255,.82); font-size: 13px; font-weight: 700; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: -10px; left: 0; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .25s; }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.language-switcher { position: relative; flex: 0 0 auto; }
.language-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-width: 52px; height: 42px; padding: 0 10px; border: 1px solid rgba(255,255,255,.22); color: white; background: rgba(3,18,33,.18); font-size: 10px; font-weight: 850; letter-spacing: .08em; cursor: pointer; }
.language-toggle svg { width: 17px; height: 17px; color: var(--gold-2); }
.language-menu { position: absolute; top: calc(100% + 12px); right: 0; z-index: 70; display: grid; width: 190px; padding: 7px; border: 1px solid rgba(255,255,255,.12); background: rgba(7,28,51,.98); box-shadow: 0 18px 45px rgba(0,0,0,.28); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, visibility .2s, transform .2s; }
.language-switcher.open .language-menu { opacity: 1; visibility: visible; transform: none; }
.language-menu button { display: grid; grid-template-columns: 42px 1fr; align-items: center; min-height: 42px; padding: 0 10px; border: 0; color: rgba(255,255,255,.76); background: transparent; font-size: 12px; text-align: left; cursor: pointer; }
.language-menu button span { color: var(--gold-2); font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.language-menu button:hover, .language-menu button[aria-selected="true"] { color: white; background: rgba(255,255,255,.08); }
.header-call { display: flex; align-items: center; gap: 10px; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.22); }
.header-call > svg { width: 21px; height: 21px; color: var(--gold-2); }
.header-call span { display: flex; flex-direction: column; line-height: 1.1; }
.header-call small { margin-bottom: 5px; color: rgba(255,255,255,.57); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.header-call strong { color: var(--gold-2); font-size: 14px; letter-spacing: .04em; }
.menu-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.24); background: transparent; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: white; transition: transform .2s; }

.hero { position: relative; min-height: 850px; height: 100vh; color: white; overflow: hidden; background: var(--navy); }
.hero-media { position: absolute; inset: 0; background: url("assets/images/hero-nam-tien.jpg") center center / cover no-repeat; transform: scale(1.015); animation: hero-in 1.6s ease-out both; }
@keyframes hero-in { from { opacity: .2; transform: scale(1.08); } to { opacity: 1; transform: scale(1.015); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,15,29,.95) 0%, rgba(4,22,40,.82) 27%, rgba(4,21,39,.3) 57%, rgba(4,20,38,.04) 78%), linear-gradient(0deg, rgba(1,11,21,.74), transparent 42%); }
.hero::after { content: ""; position: absolute; left: 0; bottom: 0; width: 31%; height: 4px; background: var(--gold); }
.hero-inner { position: relative; z-index: 2; display: flex; align-items: center; min-height: 100%; padding-top: 86px; }
.hero-copy { max-width: 720px; padding-top: 40px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: var(--navy-3); font-size: 11px; font-weight: 850; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow span { width: 32px; height: 1px; background: var(--gold); }
.eyebrow.light { color: var(--gold-2); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--display-font); font-weight: 400; letter-spacing: -.025em; line-height: 1.04; }
h1 { max-width: 760px; margin-bottom: 25px; font-size: clamp(58px, 6.2vw, 96px); text-shadow: 0 3px 20px rgba(0,0,0,.25); }
h1 em, h2 em { color: var(--gold-2); font-style: italic; }
.hero-copy > p { max-width: 640px; margin-bottom: 32px; color: rgba(255,255,255,.8); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 54px; padding: 0 23px; border: 1px solid transparent; border-radius: 2px; font-size: 12px; font-weight: 850; letter-spacing: .04em; cursor: pointer; transition: transform .2s, background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-gold { color: var(--navy); background: linear-gradient(120deg, var(--gold), var(--gold-2)); box-shadow: 0 12px 35px rgba(216,173,89,.2); }
.btn-gold:hover { background: #f5d994; }
.btn-ghost { color: white; border-color: rgba(255,255,255,.42); background: rgba(4,20,38,.18); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: white; background: rgba(255,255,255,.08); }
.btn-navy { color: white; background: var(--navy); }
.btn svg { transition: transform .2s; }
.btn:hover svg, .text-link:hover svg { transform: translateX(4px); }
.hero-hotline { display: flex; align-items: center; gap: 20px; margin-top: 42px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.2); width: fit-content; }
.hero-hotline span { color: rgba(255,255,255,.55); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero-hotline a { color: var(--gold-2); font-family: var(--display-font); font-size: 27px; letter-spacing: .05em; }
.hero-caption { position: absolute; z-index: 2; right: 28px; bottom: 23px; color: rgba(255,255,255,.63); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; writing-mode: vertical-rl; }
.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 25px; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.65); font-size: 9px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { display: block; width: 1px; height: 32px; background: rgba(255,255,255,.5); animation: scroll 1.8s infinite; }
@keyframes scroll { 0%,100% { transform: scaleY(.45); transform-origin: top; } 50% { transform: scaleY(1); } }

.fact-strip { position: relative; z-index: 5; background: var(--navy); color: white; }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { position: relative; display: flex; align-items: center; gap: 16px; min-height: 118px; padding: 25px 32px; border-right: 1px solid rgba(255,255,255,.12); }
.fact:first-child { border-left: 1px solid rgba(255,255,255,.12); }
.fact strong { color: var(--gold-2); font-family: var(--display-font); font-size: 36px; font-weight: 400; white-space: nowrap; }
.fact span { max-width: 90px; color: rgba(255,255,255,.66); font-size: 10px; line-height: 1.5; letter-spacing: .11em; text-transform: uppercase; }

.section { padding: 120px 0; }
.section-heading h2 { margin-bottom: 0; color: var(--navy); font-size: clamp(44px, 5vw, 69px); }
.section-heading h2 em { color: #a77b2f; }
.section-heading.centered { max-width: 720px; margin: 0 auto 65px; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 120px; align-items: start; }
.intro-copy { padding-top: 18px; }
.intro-copy .lead { color: var(--ink); font-size: 20px; line-height: 1.65; }
.intro-copy p:not(.lead) { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; padding-bottom: 7px; border-bottom: 1px solid var(--gold); color: var(--navy); font-size: 12px; font-weight: 850; letter-spacing: .04em; }
.overview-visual { position: relative; margin-top: 85px; }
.overview-visual img { height: 610px; object-fit: cover; }
.visual-card { position: absolute; right: -1px; bottom: -1px; width: min(390px, 40%); padding: 36px; color: white; background: var(--navy); }
.visual-card::before { content: ""; position: absolute; top: 0; left: 0; width: 90px; height: 3px; background: var(--gold); }
.visual-card span { color: var(--gold-2); font-size: 9px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.visual-card strong { display: block; margin: 12px 0; font-family: var(--display-font); font-size: 27px; font-weight: 400; }
.visual-card p { margin: 0; color: rgba(255,255,255,.6); font-size: 12px; }

.location { color: white; background: var(--navy); overflow: hidden; }
.location .section-heading h2, .sectors .section-heading h2 { color: white; }
.location-head { display: grid; grid-template-columns: 1.25fr .75fr; gap: 100px; align-items: end; margin-bottom: 65px; }
.location-head > p { margin-bottom: 8px; color: rgba(255,255,255,.64); font-size: 16px; }
.connection-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 54px; align-items: stretch; }
.map-card { position: relative; min-height: 650px; padding: 0; overflow: hidden; border: 0; background: #0b2139; cursor: zoom-in; }
.map-card img { width: 100%; height: 100%; object-fit: cover; }
.map-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 65%, rgba(3,15,28,.65)); }
.expand-label { position: absolute; z-index: 2; right: 20px; bottom: 20px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 13px; color: white; background: rgba(7,28,51,.82); font-size: 10px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(8px); }
.connections { border-top: 1px solid rgba(255,255,255,.15); }
.connections article { display: grid; grid-template-columns: 94px 1fr; gap: 22px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.connections b { color: var(--gold-2); font-family: var(--display-font); font-size: 22px; font-weight: 400; }
.connections div { display: flex; flex-direction: column; }
.connections strong { font-size: 14px; }
.connections span { margin-top: 4px; color: rgba(255,255,255,.53); font-size: 11px; line-height: 1.45; }
.data-note { max-width: 920px; margin: 28px 0 0; color: rgba(255,255,255,.42); font-size: 10px; }

.investment-case { background: var(--cream); }
.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.reason-card { position: relative; min-height: 420px; padding: 38px 35px; border: 1px solid var(--line); background: var(--paper); }
.reason-card.featured { color: white; background: var(--navy); transform: translateY(-16px); }
.reason-number { color: var(--gold); font-family: var(--display-font); font-size: 15px; }
.reason-card h3 { margin: 72px 0 18px; font-family: var(--display-font); font-size: 29px; font-weight: 400; line-height: 1.2; }
.reason-card p { color: var(--muted); font-size: 14px; }
.reason-card.featured p { color: rgba(255,255,255,.62); }
.reason-card ul { display: grid; gap: 11px; margin: 30px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; }
.reason-card.featured ul { border-color: rgba(255,255,255,.15); }
.reason-card li { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; }
.reason-card li svg { color: var(--gold); }

.image-break { position: relative; min-height: 720px; display: flex; align-items: center; color: white; overflow: hidden; }
.image-break > img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.image-break-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,16,29,.88), rgba(3,16,29,.26) 62%, transparent), linear-gradient(0deg, rgba(3,16,29,.5), transparent); }
.image-break-copy { position: relative; z-index: 2; }
.image-break-copy > span { color: var(--gold-2); font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.image-break-copy h2 { max-width: 670px; margin: 22px 0 34px; font-size: clamp(50px, 5.5vw, 78px); }

.infrastructure { background: var(--paper); }
.infra-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; align-items: end; margin-bottom: 65px; }
.infra-intro > p { color: var(--muted); font-size: 16px; }
.infra-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.infra-card { position: relative; min-height: 330px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.infra-card > svg { width: 38px; height: 38px; color: var(--gold); stroke-width: 1.25; }
.infra-card > span { position: absolute; top: 36px; right: 32px; color: #9ba4af; font-family: var(--display-font); font-size: 13px; }
.infra-card h3 { margin: 58px 0 8px; font-family: var(--display-font); font-size: 25px; font-weight: 400; }
.infra-card strong { display: block; color: #a77b2f; font-size: 13px; letter-spacing: .03em; }
.infra-card p { margin: 24px 0 0; color: var(--muted); font-size: 13px; }

.sectors { color: white; background: #06182c; padding-block: 0; }
.sectors-layout { display: grid; grid-template-columns: 1fr 1fr; width: 100%; max-width: none; }
.sectors-visual { position: relative; min-height: 810px; }
.sectors-visual img { height: 100%; object-fit: cover; }
.sector-badge { position: absolute; right: 0; bottom: 0; display: flex; flex-direction: column; width: 260px; padding: 30px; color: var(--navy); background: var(--gold-2); }
.sector-badge strong { font-family: var(--display-font); font-size: 28px; font-weight: 400; }
.sector-badge span { margin-top: 5px; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.sectors-content { display: flex; flex-direction: column; justify-content: center; max-width: 620px; padding: 90px 70px; }
.sectors-content h2 { margin-bottom: 26px; color: white; font-size: clamp(43px, 4.3vw, 64px); }
.sectors-content > p { color: rgba(255,255,255,.61); }
.sector-list { margin-top: 30px; border-top: 1px solid rgba(255,255,255,.14); }
.sector-list div { display: grid; grid-template-columns: 40px 1fr; gap: 15px; align-items: center; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.sector-list span { color: var(--gold); font-family: var(--display-font); font-size: 12px; }
.sector-list strong { font-size: 13px; }
.sectors-content .sector-note { margin-top: 20px; color: rgba(255,255,255,.35); font-size: 9px; }

.developer { background: var(--cream); }
.developer-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 100px; align-items: center; }
.developer-copy h2 { margin-bottom: 28px; color: var(--navy); font-size: clamp(44px, 4.5vw, 65px); }
.developer-copy > p { max-width: 650px; color: var(--muted); }
.developer-copy dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.developer-copy dl div { padding: 20px 10px 20px 0; }
.developer-copy dt { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.developer-copy dd { margin: 6px 0 0; color: var(--navy); font-family: var(--display-font); font-size: 17px; }
.legal-card { position: relative; padding: 60px 52px; color: white; background: var(--navy); box-shadow: var(--shadow); }
.legal-card::before { content: "NT"; position: absolute; right: 30px; bottom: 5px; color: rgba(255,255,255,.025); font-family: var(--display-font); font-size: 150px; }
.legal-label { color: var(--gold-2); font-size: 9px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.legal-card > strong { display: block; margin-top: 22px; font-family: var(--display-font); font-size: 30px; font-weight: 400; line-height: 1.3; }
.legal-divider { width: 60px; height: 2px; margin: 30px 0; background: var(--gold); }
.legal-card ul { display: grid; gap: 14px; padding: 0; list-style: none; }
.legal-card li { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.13); font-size: 12px; }
.legal-card li span { color: rgba(255,255,255,.5); }
.legal-card li b { text-align: right; }
.legal-card small { position: relative; display: block; margin-top: 28px; color: rgba(255,255,255,.38); font-size: 9px; }

.gallery-section { background: var(--paper); }
.gallery-head { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 56px; }
.gallery-controls { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.gallery-controls button { padding: 8px 12px; border: 1px solid var(--line); color: var(--muted); background: transparent; font-size: 10px; font-weight: 800; cursor: pointer; }
.gallery-controls button.active, .gallery-controls button:hover { color: white; border-color: var(--navy); background: var(--navy); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 245px; gap: 10px; }
.gallery-item { position: relative; padding: 0; overflow: hidden; border: 0; background: #d7dde2; cursor: zoom-in; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.hidden { display: none; }
.gallery-item img { height: 100%; object-fit: cover; transition: transform .55s ease; }
.gallery-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,16,29,.68), transparent 55%); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item span { position: absolute; z-index: 2; left: 18px; bottom: 15px; color: white; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.gallery-disclaimer { margin-top: 16px; color: var(--muted); font-size: 9px; text-align: right; }

.faq-section { background: var(--cream); }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.faq-layout .section-heading p { margin-top: 28px; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 23px 50px 23px 0; font-family: var(--display-font); font-size: 20px; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; top: 34px; right: 8px; width: 14px; height: 1px; background: var(--navy); }
.faq-list summary span::after { transform: rotate(90deg); transition: transform .2s; }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 700px; padding: 0 40px 22px 0; color: var(--muted); font-size: 13px; }

.contact-section { position: relative; padding: 120px 0; color: white; background: var(--navy); overflow: hidden; }
.contact-section::before { content: ""; position: absolute; right: -20%; top: -60%; width: 900px; height: 900px; border: 1px solid rgba(216,173,89,.13); border-radius: 50%; box-shadow: 0 0 0 90px rgba(216,173,89,.035), 0 0 0 180px rgba(216,173,89,.025); }
.contact-layout { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: center; }
.contact-copy h2 { margin-bottom: 25px; font-size: clamp(46px, 5vw, 72px); }
.contact-copy > p { color: rgba(255,255,255,.61); }
.contact-hotline { margin: 45px 0 28px; }
.contact-hotline small { display: block; margin-bottom: 7px; color: var(--gold-2); font-size: 9px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.contact-hotline a { font-family: var(--display-font); font-size: clamp(35px, 4.5vw, 58px); letter-spacing: .03em; }
.contact-secondary { display: grid; gap: 9px; }
.contact-secondary a { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.57); font-size: 12px; }
.contact-secondary svg { color: var(--gold); }
.lead-form { display: grid; grid-template-columns: 1fr; gap: 15px; padding: 48px; color: var(--ink); background: white; box-shadow: 0 28px 80px rgba(0,0,0,.24); }
.form-title { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 10px; }
.form-title span { font-family: var(--display-font); font-size: 28px; }
.form-title small { color: var(--muted); font-size: 9px; }
.lead-form label { display: grid; gap: 7px; color: #5b6674; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lead-form input, .lead-form select, .lead-form textarea { width: 100%; border: 0; border-bottom: 1px solid #d8dde3; border-radius: 0; outline: 0; background: transparent; color: var(--ink); font-size: 14px; font-weight: 500; letter-spacing: 0; text-transform: none; transition: border-color .2s; }
.lead-form input, .lead-form select { height: 45px; }
.lead-form textarea { padding: 12px 0; resize: vertical; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: var(--gold); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-submit { width: 100%; margin-top: 10px; border: 0; }
.form-status { display: none; margin: 0; padding: 11px; background: #eef8f0; color: #27623a; font-size: 11px; text-align: center; }
.form-status.show { display: block; }
.privacy { color: #8a939f; font-size: 8px; text-align: center; }

.site-footer { color: rgba(255,255,255,.62); background: #031221; }
.footer-main { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 45px; align-items: center; padding-block: 65px; }
.footer-brand small { color: rgba(255,255,255,.45); }
.footer-main > p { margin: 0; font-size: 11px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 15px; font-size: 11px; }
.footer-links a:hover { color: white; }
.footer-phone { display: flex; flex-direction: column; color: var(--gold-2); font-family: var(--display-font); font-size: 21px; text-align: right; }
.footer-phone small { margin-bottom: 5px; color: rgba(255,255,255,.45); font-family: Inter, sans-serif; font-size: 8px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 20px; border-top: 1px solid rgba(255,255,255,.09); font-size: 8px; letter-spacing: .07em; text-transform: uppercase; }

.floating-contact { position: fixed; z-index: 80; right: 18px; bottom: 22px; display: grid; gap: 8px; }
.floating-contact a { display: flex; align-items: center; min-height: 52px; border-radius: 3px; box-shadow: 0 10px 30px rgba(0,0,0,.22); }
.float-zalo { gap: 10px; padding: 0 16px; color: white; background: #087bee; }
.float-zalo span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; font-size: 10px; font-weight: 900; }
.float-zalo small { font-size: 10px; }
.float-phone { gap: 10px; padding: 0 17px; color: var(--navy); background: var(--gold-2); }
.float-phone > svg { width: 21px; height: 21px; }
.float-phone span { display: flex; flex-direction: column; font-family: var(--display-font); font-size: 15px; line-height: 1.15; }
.float-phone small { font-family: Inter, sans-serif; font-size: 7px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.mobile-cta { display: none; }

.gallery-modal { width: min(95vw, 1500px); max-width: none; height: min(92vh, 1000px); padding: 0; border: 0; color: white; background: rgba(3,15,28,.96); }
.gallery-modal::backdrop { background: rgba(0,0,0,.86); backdrop-filter: blur(5px); }
.gallery-modal figure { display: grid; place-items: center; height: 100%; margin: 0; padding: 50px 80px; }
.gallery-modal figure img { max-width: 100%; max-height: calc(100% - 36px); width: auto; height: auto; object-fit: contain; }
.gallery-modal figcaption { margin-top: 13px; color: rgba(255,255,255,.65); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.modal-close, .modal-nav { position: absolute; z-index: 2; display: grid; place-items: center; border: 0; color: white; background: rgba(255,255,255,.08); cursor: pointer; }
.modal-close { top: 15px; right: 15px; width: 40px; height: 40px; font-size: 24px; }
.modal-nav { top: 50%; width: 46px; height: 66px; font-size: 40px; transform: translateY(-50%); }
.modal-nav.prev { left: 14px; }
.modal-nav.next { right: 14px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .main-nav { gap: 18px; }
  .header-call { display: none; }
  .intro-grid, .location-head, .infra-intro { gap: 60px; }
  .connection-layout { grid-template-columns: 1fr; }
  .map-card { min-height: 600px; }
  .connections { display: grid; grid-template-columns: 1fr 1fr; }
  .connections article:nth-child(odd) { padding-right: 24px; }
  .connections article:nth-child(even) { padding-left: 24px; }
  .developer-grid, .faq-layout, .contact-layout { gap: 60px; }
  .sectors-content { padding: 80px 45px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-phone { text-align: left; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 70px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .topbar { display: none; }
  .site-header { top: 0; }
  .header-inner { height: 70px; }
  .brand strong { font-size: 15px; }
  .brand-mark { width: 38px; height: 38px; }
  .language-switcher { order: 2; margin-left: auto; }
  .menu-toggle { order: 3; display: block; margin-left: 0; }
  .language-toggle { min-width: 46px; padding-inline: 8px; }
  .language-menu { right: -50px; }
  .main-nav { position: fixed; inset: 70px 0 auto; display: grid; gap: 0; padding: 18px 24px 28px; background: var(--navy); transform: translateY(-140%); transition: transform .3s; box-shadow: 0 20px 40px rgba(0,0,0,.22); }
  .menu-open .main-nav { transform: translateY(0); }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero { min-height: 760px; height: 100svh; }
  .hero-media { background-position: 58% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(2,15,29,.96), rgba(4,22,40,.77) 60%, rgba(4,21,39,.25)), linear-gradient(0deg, rgba(1,11,21,.7), transparent); }
  .hero-inner { padding-top: 70px; }
  .hero-copy { max-width: 610px; padding-top: 15px; }
  h1 { font-size: clamp(48px, 10vw, 68px); }
  html:is([lang="zh"], [lang="ko"], [lang="ja"]) h1 { font-size: clamp(42px, 8vw, 58px); }
  .hero-copy > p { max-width: 550px; font-size: 15px; }
  .hero-caption, .scroll-cue { display: none; }
  .fact { flex-direction: column; align-items: flex-start; gap: 3px; padding: 20px; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact strong { font-size: 29px; }
  .section { padding: 85px 0; }
  .section-heading h2 { font-size: clamp(42px, 8vw, 60px); }
  .intro-grid, .location-head, .infra-intro, .developer-grid, .faq-layout, .contact-layout { grid-template-columns: 1fr; gap: 42px; }
  .overview-visual img { height: 460px; }
  .visual-card { width: min(390px, 70%); }
  .map-card { min-height: 520px; }
  .reason-grid { grid-template-columns: 1fr; }
  .reason-card, .reason-card.featured { min-height: 330px; transform: none; }
  .reason-card h3 { margin-top: 42px; }
  .infra-grid { grid-template-columns: 1fr 1fr; }
  .sectors-layout { grid-template-columns: 1fr; }
  .sectors-visual { min-height: 560px; }
  .sectors-content { max-width: none; padding: 80px 32px; }
  .gallery-head { align-items: flex-start; flex-direction: column; }
  .gallery-controls { justify-content: flex-start; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .faq-layout .section-heading { max-width: 650px; }
  .lead-form { padding: 36px; }
  .footer-main { gap: 35px; }
  .floating-contact { display: none; }
  .mobile-cta { position: fixed; z-index: 100; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: .38fr .62fr; height: 58px; color: white; box-shadow: 0 -10px 30px rgba(0,0,0,.15); }
  .mobile-cta a { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; font-weight: 850; }
  .mobile-cta a:first-child { background: #087bee; }
  .mobile-cta a:last-child { color: var(--navy); background: var(--gold-2); }
  .site-footer { padding-bottom: 58px; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .hero { min-height: 720px; }
  .hero-copy { padding-top: 30px; }
  h1 { font-size: 42px; line-height: 1.08; }
  html:is([lang="zh"], [lang="ko"], [lang="ja"]) h1 { font-size: 38px; line-height: 1.16; }
  .hero-copy > p { font-size: 13px; line-height: 1.65; }
  .hero-actions { display: grid; }
  .btn { width: 100%; }
  .hero-hotline { margin-top: 28px; padding-top: 20px; }
  .hero-hotline a { font-size: 23px; }
  .fact { min-height: 100px; padding: 15px; }
  .fact strong { font-size: 26px; }
  .section { padding: 72px 0; }
  .eyebrow { font-size: 9px; }
  .section-heading h2 { font-size: 39px; }
  .intro-copy .lead { font-size: 17px; }
  .overview-visual { margin-top: 52px; }
  .overview-visual img { height: 380px; }
  .visual-card { position: relative; width: 100%; padding: 28px; }
  .location-head { margin-bottom: 38px; }
  .map-card { min-height: 430px; }
  .connections { grid-template-columns: 1fr; }
  .connections article:nth-child(n) { padding: 18px 0; }
  .image-break { min-height: 620px; }
  .infra-grid { grid-template-columns: 1fr; }
  .infra-card { min-height: 280px; }
  .sectors-visual { min-height: 420px; }
  .sector-badge { width: 220px; padding: 22px; }
  .sectors-content { padding: 70px 24px; }
  .sectors-content h2 { font-size: 39px; }
  .developer-copy dl { grid-template-columns: 1fr; }
  .developer-copy dl div { border-bottom: 1px solid var(--line); }
  .legal-card { padding: 42px 28px; }
  .gallery-grid { grid-auto-rows: 185px; }
  .gallery-item.wide { grid-column: span 2; }
  .gallery-modal figure { padding: 50px 18px; }
  .modal-nav { top: auto; bottom: 10px; width: 42px; height: 42px; }
  .form-row { grid-template-columns: 1fr; }
  .lead-form { padding: 28px 20px; }
  .form-title { align-items: flex-start; flex-direction: column; gap: 3px; }
  .footer-main { grid-template-columns: 1fr; padding-block: 50px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
