/* Layout: diagonal-cut photo bands (from the company profile) alternating with calm white/mist sections; navy carries structure, orange marks sequence and action. */
:root {
  --navy: #0A2A6B;
  --deep: #061A44;
  --royal: #0B4DB3;
  --sky: #29ABE2;
  --orange: #E8890C;
  --orange-ink: #A85C00;
  --ink: #12203A;
  --muted: #3D4C66;
  --soft: #C8D4EA;
  --line: #D3DCEA;
  --mist: #F2F5FA;
  --paper: #FFFFFF;
  --f-display: "Montserrat", "Segoe UI", Arial, sans-serif;
  --f-body: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  --wrap: 1200px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: var(--royal); }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--f-display); color: var(--navy); margin: 0; line-height: 1.12; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* Language switching: every bilingual string is a pair of data-l elements */
html[data-lang="en"] [data-l="vi"], html[data-lang="vi"] [data-l="en"] { display: none !important; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 40px); margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.eyebrow { font-family: var(--f-display); font-size: 13px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--royal); }
.eyebrow.on-dark { color: #FFB45C; }
.sub-vi { color: var(--muted); font-weight: 600; }
.bar { width: 64px; height: 6px; background: var(--orange); }
.lead { font-size: 18px; color: var(--muted); max-width: 62ch; }
.section { padding-block: 88px; }
.section.mist { background: var(--mist); }
.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 44px; max-width: 760px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 900; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 24px; font-family: var(--f-display); font-weight: 700; font-size: 15px; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.btn-primary { background: var(--orange); color: #FFFFFF; border-color: var(--orange); }
.btn-primary:hover { background: var(--orange-ink); border-color: var(--orange-ink); color: #FFFFFF; }
.btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-ghost:hover { background: var(--navy); color: #FFFFFF; }
.btn-light { border-color: #FFFFFF; color: #FFFFFF; }
.btn-light:hover { background: #FFFFFF; color: var(--navy); }

/* Header */
.topbar { background: var(--deep); color: var(--soft); font-size: 13px; }
.topbar .wrap { display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: space-between; align-items: center; padding-block: 8px; }
.topbar a { color: #FFFFFF; text-decoration: none; font-weight: 600; }
.topbar .tb-items { display: flex; flex-wrap: wrap; gap: 6px 24px; }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: #FFFFFF; border-bottom: 1px solid var(--line); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: #FFFFFF; }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 80px; }
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a { font-family: var(--f-display); font-weight: 700; font-size: 14px; color: var(--ink); text-decoration: none; padding: 10px 12px; position: relative; }
.nav a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--navy); }
.header-tools { display: flex; align-items: center; gap: 12px; }
.lang { display: inline-flex; border: 2px solid var(--navy); }
.lang button { font-family: var(--f-display); font-weight: 800; font-size: 13px; letter-spacing: .06em; background: transparent; color: var(--navy); border: 0; min-width: 44px; min-height: 40px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--navy); color: #FFFFFF; }
.header-cta { display: inline-flex; }
.menu-btn { display: none; background: transparent; border: 2px solid var(--navy); width: 48px; height: 44px; align-items: center; justify-content: center; cursor: pointer; color: var(--navy); }

@media (max-width: 1080px) {
  .header-cta { display: none; }
}
@media (max-width: 920px) {
  .menu-btn { display: inline-flex; }
  .site-header .wrap { flex-wrap: wrap; min-height: 72px; gap: 12px; }
  .brand img { height: 44px; }
  .header-tools { margin-left: auto; }
  .nav { order: 3; width: 100%; flex-direction: column; align-items: stretch; margin: 0; padding-bottom: 12px; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 4px; border-top: 1px solid var(--line); }
  .nav a::after { left: 4px; right: auto; width: 40px; }
}

/* Hero (home) */
.hero { position: relative; background: #FFFFFF; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); min-height: 600px; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; gap: 22px; padding-block: 72px; padding-left: var(--gutter-l); padding-right: 32px; max-width: 620px; margin-left: auto; width: 100%; }
.hero-copy h1 { font-size: clamp(32px, 3.8vw, 50px); font-weight: 900; letter-spacing: -.01em; }
.hero-copy .tagline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; font-family: var(--f-display); font-weight: 700; font-size: 13px; letter-spacing: .18em; color: var(--navy); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); display: inline-block; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-media { position: relative; min-height: 420px; }
.hero-media .layer-o, .hero-media .layer-b, .hero-media img { position: absolute; inset: 0; clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%); }
.hero-media .layer-o { background: var(--orange); }
.hero-media .layer-b { background: var(--royal); left: 22px; }
.hero-media img { left: 46px; width: calc(100% - 46px); height: 100%; object-fit: cover; object-position: 62% 50%; }

.facts { background: var(--navy); color: #FFFFFF; }
.facts .wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.fact { padding: 26px 22px; border-left: 1px solid rgba(255,255,255,.14); display: flex; flex-direction: column; gap: 4px; }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact strong { font-family: var(--f-display); font-size: 17px; font-weight: 800; }
.fact span { color: var(--soft); font-size: 14px; }
.fact a { color: #FFFFFF; text-decoration: none; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { max-width: none; padding-right: var(--gutter-r); padding-block: 48px 40px; order: 2; }
  .hero-media { min-height: 300px; order: 1; }
  .hero-media .layer-o, .hero-media .layer-b, .hero-media img { clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%); }
  .hero-media .layer-b { left: 0; top: 0; bottom: 10px; }
  .hero-media img { left: 0; width: 100%; bottom: 20px; height: auto; top: 0; }
  .facts .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact { border-left: 0; padding-left: 0; border-top: 1px solid rgba(255,255,255,.14); }
}

/* Page banner (inner pages) */
.banner { position: relative; color: #FFFFFF; background: var(--deep); overflow: hidden; }
.banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner::after { content: ""; position: absolute; inset: 0; background: rgba(6, 26, 68, .64); }
.banner .wrap { position: relative; z-index: 1; padding-block: 96px 80px; display: flex; flex-direction: column; gap: 14px; }
.banner h1 { color: #FFFFFF; font-size: clamp(34px, 5vw, 58px); font-weight: 900; }
.banner .vi-title { font-size: 18px; color: var(--soft); font-weight: 600; }
.banner .crumbs { font-size: 14px; color: var(--soft); }
.banner .crumbs a { color: #FFFFFF; }
.banner-stripe { height: 8px; background: var(--orange); }

/* Service split (home) */
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.service { position: relative; display: flex; flex-direction: column; background: #FFFFFF; text-decoration: none; color: var(--ink); border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.service:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(10, 42, 107, .14); color: var(--ink); }
.service .ph { aspect-ratio: 16 / 10; overflow: hidden; max-width: 100%; }
.service .ph img { width: 100%; height: 100%; object-fit: cover; }
.service .num { position: absolute; top: 0; left: 0; background: var(--orange); color: #FFFFFF; font-family: var(--f-display); font-weight: 900; font-size: 22px; padding: 10px 16px; }
.service .body { padding: 28px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.service h3 { font-size: 26px; font-weight: 900; }
.service .more { margin-top: auto; padding-top: 10px; font-family: var(--f-display); font-weight: 800; color: var(--royal); font-size: 15px; }
@media (max-width: 760px) { .services { grid-template-columns: 1fr; } }

/* Split media/text */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-text { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.split-text h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 900; }
.split-media { position: relative; }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split-media.tall img { aspect-ratio: 4 / 5; }
.split-media::before { content: ""; position: absolute; left: -14px; bottom: -14px; width: 46%; height: 46%; background: var(--orange); z-index: -1; }
.split-media { z-index: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 36px; } .split.reverse .split-media { order: 0; } .split-media::before { left: -8px; bottom: -8px; } }

/* Lists of values / commitments */
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.value { background: #FFFFFF; border-top: 5px solid var(--royal); padding: 26px 24px; display: flex; flex-direction: column; gap: 8px; }
.value:nth-child(even) { border-top-color: var(--orange); }
.value svg { width: 38px; height: 38px; color: var(--royal); }
.value h3 { font-size: 19px; font-weight: 800; }
.value .sub-vi { font-size: 13px; color: var(--royal); }
.value p { font-size: 15px; color: var(--muted); }
@media (max-width: 980px) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .values { grid-template-columns: 1fr; } }

.commit-list { display: flex; flex-direction: column; }
.commit { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.commit:last-child { border-bottom: 0; }
.commit .n { font-family: var(--f-display); font-size: 30px; font-weight: 900; color: var(--orange); }
.commit h3 { font-size: 18px; font-weight: 800; }
.commit p { font-size: 15px; color: var(--muted); }

/* Hexagon gallery */
.hexes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 0; max-width: 520px; }
.hex { aspect-ratio: 240 / 208; clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); overflow: hidden; max-width: 100%; }
.hex img { width: 100%; height: 100%; object-fit: cover; }
.hexes .hex:nth-child(even) { transform: translate(-12%, 52%); }
.hex.brand-hex { background: var(--orange); color: #FFFFFF; display: flex; align-items: center; justify-content: center; text-align: center; font-family: var(--f-display); font-weight: 800; letter-spacing: .1em; font-size: 15px; line-height: 1.5; }
.hex-wrap { padding-bottom: 24%; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; counter-reset: s; }
.step { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.step img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.step .row { display: flex; align-items: center; gap: 12px; }
.step .row b { font-family: var(--f-display); font-weight: 900; font-size: 36px; color: var(--orange); line-height: 1; }
.step .row i { flex: 1; height: 2px; background: var(--line); }
.step h3 { font-size: 18px; font-weight: 800; }
.step .sub-vi { font-size: 13px; color: var(--royal); }
.step p { font-size: 15px; color: var(--muted); }
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

.process { display: flex; flex-direction: column; gap: 18px; }
.pstep { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 18px; align-items: center; }
.pstep .box { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; font-family: var(--f-display); font-weight: 800; font-size: 18px; color: #FFFFFF; background: var(--orange); }
.pstep:nth-child(even) .box { background: var(--royal); }
.pstep h3 { font-size: 18px; font-weight: 800; }
.pstep p { font-size: 15px; color: var(--muted); }

/* Chips and ranks */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 10px 16px; background: var(--royal); color: #FFFFFF; font-weight: 600; font-size: 14px; }
.chip.outline { background: transparent; border: 2px solid var(--royal); color: var(--navy); }
.ranks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.rank { border-top: 4px solid var(--orange); padding-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.rank h3 { font-size: 18px; font-weight: 800; }
.rank .sub-vi { font-size: 13px; color: var(--royal); }
.rank ul { margin: 6px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 15px; display: flex; flex-direction: column; gap: 2px; }
@media (max-width: 640px) { .ranks { grid-template-columns: 1fr; } }

/* Dark feature band */
.band { background: var(--navy); color: #FFFFFF; }
.band h2, .band h3 { color: #FFFFFF; }
.band p { color: var(--soft); }
.band .lead { color: var(--soft); }
.band .split-media::before { background: var(--orange); }
.compliance { border-left: 6px solid var(--orange); background: rgba(255,255,255,.06); padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.compliance strong { font-family: var(--f-display); letter-spacing: .14em; font-size: 13px; color: #FFB45C; }

.strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.strip img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
@media (max-width: 640px) { .strip { grid-template-columns: 1fr; } }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { background: #FFFFFF; display: flex; flex-direction: column; border: 1px solid var(--line); }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card .body { padding: 20px; display: flex; flex-direction: column; gap: 6px; }
.card h3 { font-size: 18px; font-weight: 800; }
.card .sub-vi { font-size: 13px; color: var(--royal); }
.card p { font-size: 15px; color: var(--muted); }
.card.solid { background: var(--royal); border-color: var(--royal); color: #FFFFFF; padding: 24px 22px; gap: 12px; }
.card.solid h3 { color: #FFFFFF; }
.card.solid ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.card.solid li { padding-left: 18px; position: relative; }
.card.solid li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 3px; background: var(--orange); }
@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .cards { grid-template-columns: 1fr; } }

.promises { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; background: var(--navy); color: #FFFFFF; }
.promise { padding: 26px 28px; border-left: 1px solid rgba(255,255,255,.14); display: flex; gap: 14px; align-items: center; }
.promise:first-child { border-left: 0; }
.promise svg { flex: none; width: 30px; height: 30px; color: #FFB45C; }
.promise strong { font-family: var(--f-display); font-size: 16px; display: block; }
.promise span { color: var(--soft); font-size: 14px; }
@media (max-width: 760px) { .promises { grid-template-columns: 1fr; } .promise { border-left: 0; border-top: 1px solid rgba(255,255,255,.14); } .promise:first-child { border-top: 0; } }

/* Info table */
.info { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 8px 16px; font-size: 15px; border-top: 2px solid var(--navy); padding-top: 18px; }
.info dt { font-weight: 700; color: var(--muted); }
.info dd { margin: 0; }
@media (max-width: 520px) { .info { grid-template-columns: 1fr; gap: 2px; } .info dd { margin-bottom: 10px; } }

/* Vision / mission */
.vm { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.vm-card { background: #FFFFFF; padding: 32px; display: flex; flex-direction: column; gap: 12px; border: 1px solid var(--line); }
.vm-card svg { width: 40px; height: 40px; color: var(--royal); }
.vm-card h3 { font-size: 22px; font-weight: 800; }
.vm-card p { color: var(--muted); }
@media (max-width: 760px) { .vm { grid-template-columns: 1fr; } }

/* CTA band */
.cta { background: var(--royal); color: #FFFFFF; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; right: -40px; top: 0; bottom: 0; width: 34%; background: var(--navy); clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%); }
.cta .wrap { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-block: 56px; }
.cta h2 { color: #FFFFFF; font-size: clamp(26px, 3vw, 36px); font-weight: 900; }
.cta p { color: #DCE6F7; margin-top: 8px; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; }
.cinfo { display: flex; flex-direction: column; gap: 22px; }
.citem { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 16px; align-items: start; }
.citem .ic { width: 52px; height: 52px; background: var(--navy); display: flex; align-items: center; justify-content: center; color: #FFFFFF; }
.citem .ic svg { width: 24px; height: 24px; }
.citem small { display: block; font-weight: 700; color: var(--muted); font-size: 13px; }
.citem .val { font-weight: 600; font-size: 16px; word-break: break-word; }
.citem .val.big { font-family: var(--f-display); font-size: 22px; font-weight: 800; color: var(--navy); }
.copy-btn { margin-top: 6px; font-family: var(--f-display); font-size: 12px; font-weight: 700; background: transparent; color: var(--royal); border: 1.5px solid var(--royal); padding: 4px 10px; min-height: 32px; cursor: pointer; }
.copy-btn:hover { background: var(--royal); color: #FFFFFF; }
.form { background: var(--mist); padding: 32px; display: flex; flex-direction: column; gap: 16px; border-top: 6px solid var(--orange); }
.form h2 { font-size: 26px; font-weight: 900; }
.form .row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label { font-weight: 700; font-size: 14px; color: var(--navy); }
.field input, .field select, .field textarea { font: inherit; font-size: 16px; padding: 12px 14px; border: 1.5px solid #9FB0CC; background: #FFFFFF; color: var(--ink); width: 100%; min-height: 48px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--sky); outline-offset: 0; border-color: var(--royal); }
.form-note { font-size: 14px; color: var(--muted); }
.form-status { font-size: 15px; font-weight: 600; color: var(--navy); background: #FFFFFF; border-left: 4px solid var(--orange); padding: 12px 14px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form .row2 { grid-template-columns: 1fr; } .form { padding: 22px; } }

/* Footer */
.footer { background: var(--deep); color: var(--soft); font-size: 15px; }
.footer .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr); gap: 40px; padding-block: 64px 40px; }
.footer h4 { color: #FFFFFF; font-size: 14px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 14px; }
.footer a { color: #FFFFFF; text-decoration: none; }
.footer a:hover { color: #FFB45C; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.logo-chip { background: #FFFFFF; padding: 12px 16px; display: inline-flex; margin-bottom: 18px; }
.logo-chip img { height: 56px; width: auto; }
.footer .legal { border-top: 1px solid rgba(255,255,255,.12); }
.footer .legal .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-block: 18px; grid-template-columns: none; font-size: 13px; }
@media (max-width: 860px) { .footer .wrap { grid-template-columns: 1fr; gap: 28px; } }

.stack { display: flex; flex-direction: column; gap: 16px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.split-media.no-deco::before { display: none; }

/* Secondary tab bar */
.subnav { background: linear-gradient(100deg, var(--navy), #24508F); }
.subnav .wrap { display: flex; justify-content: center; flex-wrap: wrap; gap: 4px 8px; }
.subnav a { color: #FFFFFF; text-decoration: none; font-family: var(--f-display); font-weight: 700; font-size: 16px; padding: 14px 26px; position: relative; }
.subnav a::after { content: ""; position: absolute; left: 26px; right: 26px; bottom: 6px; height: 3px; background: var(--orange); transform: scaleX(0); transition: transform .25s; }
.subnav a:hover::after, .subnav a[aria-current="page"]::after { transform: scaleX(1); }
.subnav a:hover { color: #FFFFFF; }
.topbar .wrap > span:last-child { text-align: right; }
@media (max-width: 920px) {
  .subnav { display: none; }
  .subnav.open { display: block; }
  .subnav .wrap { flex-direction: column; align-items: stretch; gap: 0; padding-block: 6px; }
  .subnav a { padding: 12px 4px; border-top: 1px solid rgba(255,255,255,.14); }
  .subnav a::after { left: 4px; right: auto; width: 40px; }
  .topbar .wrap > span:last-child { text-align: left; }
}

/* Checklist */
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; background: var(--orange); clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%); }

/* Gallery */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filter { font-family: var(--f-display); font-weight: 700; font-size: 14px; min-height: 44px; padding: 8px 20px; border: 2px solid var(--navy); background: transparent; color: var(--navy); cursor: pointer; }
.filter[aria-pressed="true"] { background: var(--navy); color: #FFFFFF; }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.g-item { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.g-open { padding: 0; border: 0; background: none; cursor: zoom-in; display: block; overflow: hidden; }
.g-open img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .35s; }
.g-open:hover img { transform: scale(1.05); }
.g-item figcaption { font-size: 14px; color: var(--muted); font-weight: 600; }
@media (max-width: 980px) { .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1100px, 94vw); width: 100%; overflow: visible; }
.lightbox::backdrop { background: rgba(6, 26, 68, .9); }
.lightbox figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.lightbox img { width: 100%; max-height: 80vh; object-fit: contain; }
.lightbox figcaption { color: #FFFFFF; font-weight: 600; text-align: center; }
.lb-close, .lb-nav { position: absolute; background: var(--orange); color: #FFFFFF; border: 0; width: 48px; height: 48px; font-size: 28px; line-height: 1; cursor: pointer; z-index: 2; }
.lb-close { top: -56px; right: 0; }
.lb-nav { top: 40%; }
.lb-prev { left: 8px; }
.lb-next { right: 8px; }

/* Posts (news / activities) */
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.post { background: #FFFFFF; border: 1px solid var(--line); display: flex; flex-direction: column; }
.post img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.post .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.post h3 { font-size: 19px; font-weight: 800; }
.post p { color: var(--muted); font-size: 15px; }
.post time { font-family: var(--f-display); font-weight: 800; font-size: 13px; color: var(--orange-ink); letter-spacing: .08em; }
.pill { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--navy); background: var(--mist); border: 1px solid var(--line); padding: 4px 10px; }
@media (max-width: 900px) { .posts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .posts { grid-template-columns: 1fr; } }

/* Knowledge */
.kb { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; align-items: start; }
.toc { position: sticky; top: 150px; display: flex; flex-direction: column; gap: 4px; border-left: 4px solid var(--orange); padding-left: 18px; }
.toc a { text-decoration: none; font-weight: 600; padding: 6px 0; }
.articles { display: flex; flex-direction: column; gap: 56px; min-width: 0; }
.article { display: flex; flex-direction: column; gap: 16px; max-width: 760px; scroll-margin-top: 150px; }
.article h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 900; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--navy); color: #FFFFFF; font-family: var(--f-display); font-weight: 700; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 860px) { .kb { grid-template-columns: 1fr; gap: 28px; } .toc { position: static; } }
.lead strong { color: var(--navy); }

/* Provisions promise block */
.promise-block { background: var(--deep); color: #DCE6F7; padding: 40px 44px; margin-bottom: 40px; display: flex; flex-direction: column; gap: 18px; border-left: 8px solid var(--orange); }
.promise-block .two-tone { color: #FFFFFF; font-size: clamp(26px, 3vw, 38px); font-weight: 900; }
.promise-block .two-tone span { color: #8FD3F2; }
.promise-block p { max-width: 80ch; font-size: 17px; }
.dot-list { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; font-size: 16px; }
.dot-list strong { color: #FFFFFF; }
@media (max-width: 600px) { .promise-block { padding: 28px 22px; border-left-width: 6px; } }
#services .section-head { max-width: 900px; } #services .section-head .lead { max-width: none; }

/* Fixed quick-contact bar (right edge, vertically centred) */
.float-bar { position: fixed; right: calc(12px + env(safe-area-inset-right, 0px)); top: 50%; transform: translateY(-50%); z-index: 80; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.fb-contact { writing-mode: vertical-rl; transform: rotate(180deg); background: var(--navy); color: #FFFFFF; font-family: var(--f-display); font-weight: 800; font-size: 15px; letter-spacing: .04em; text-decoration: none; padding: 22px 13px; border-radius: 30px; box-shadow: 0 6px 18px rgba(6, 26, 68, .3); }
.fb-contact:hover { background: var(--royal); color: #FFFFFF; }
.fb-btn { width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; box-shadow: 0 6px 18px rgba(6, 26, 68, .3); transition: transform .2s; }
.fb-btn:hover { transform: scale(1.08); }
.fb-phone { background: #E53935; position: relative; animation: pm-pulse 1.6s ease-out infinite; }
.fb-phone svg { animation: pm-ring 1.2s ease-in-out infinite; transform-origin: 50% 50%; }
.fb-zalo { background: #0068FF; color: #FFFFFF; font-family: var(--f-display); font-weight: 800; font-size: 14px; border: 3px solid #FFFFFF; }
.fb-zalo:hover { color: #FFFFFF; }
.fb-face { background: #1877F2; }
@keyframes pm-ring {
  0%, 50%, 100% { transform: rotate(0); }
  5%, 15%, 25%, 35% { transform: rotate(-18deg); }
  10%, 20%, 30%, 40% { transform: rotate(18deg); }
}
@keyframes pm-pulse {
  0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, .55), 0 6px 18px rgba(6, 26, 68, .3); }
  70% { box-shadow: 0 0 0 16px rgba(229, 57, 53, 0), 0 6px 18px rgba(6, 26, 68, .3); }
  100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0), 0 6px 18px rgba(6, 26, 68, .3); }
}
@media (max-width: 600px) {
  .float-bar { right: calc(8px + env(safe-area-inset-right, 0px)); gap: 10px; }
  .fb-btn { width: 46px; height: 46px; }
  .fb-zalo { font-size: 12px; }
  .fb-contact { font-size: 13px; padding: 16px 10px; }
}

/* Footer map */
.map-block { margin-top: 26px; display: flex; flex-direction: column; gap: 8px; }
.map-head { display: flex; align-items: center; gap: 10px; color: #FFFFFF; font-family: var(--f-display); font-size: 17px; }
.map-link { color: #8FD3F2 !important; font-weight: 600; font-size: 14px; padding-left: 30px; }
.map-frame { margin-top: 8px; background: #E4EAF2; border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 10; max-width: 100%; }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.card-kicker { font-family: var(--f-display); font-weight: 800; font-size: 17px; color: var(--navy); }

/* Larger logo so the tagline is legible */
.brand img { height: 84px; }
.site-header .wrap { min-height: 104px; }
.logo-chip img { height: 78px; }
@media (max-width: 920px) { .brand img { height: 62px; } .site-header .wrap { min-height: 80px; } }
.toc { top: 200px; }
.article { scroll-margin-top: 200px; }

/* Single-row main navigation in the blue bar */
.site-header .header-tools { margin-left: auto; }
.subnav .wrap { flex-wrap: nowrap; justify-content: space-between; gap: 0; }
.subnav a { font-size: 15px; padding: 14px 10px; white-space: nowrap; }
.subnav a::after { left: 10px; right: 10px; }
@media (max-width: 1240px) { .subnav a { font-size: 13.5px; padding: 13px 6px; } .subnav a::after { left: 6px; right: 6px; } }
@media (max-width: 1060px) { .subnav a { font-size: 12.5px; padding: 12px 4px; } }
@media (max-width: 920px) {
  .subnav .wrap { flex-direction: column; align-items: stretch; flex-wrap: nowrap; }
  .subnav a { font-size: 15px; padding: 12px 4px; white-space: normal; }
  .site-header .wrap { flex-wrap: nowrap; }
}

/* Top info bar now lives inside the sticky header, so it stays visible while scrolling */
.site-header .topbar .wrap, .site-header .subnav .wrap { min-height: 0; }
.site-header .topbar .wrap { flex-wrap: wrap; gap: 6px 24px; justify-content: space-between; }
.site-header .subnav .wrap { gap: 0; }
@media (max-width: 920px) {
  .site-header .subnav .wrap { flex-direction: column; align-items: stretch; }
  .site-header .topbar .wrap { flex-wrap: wrap; }
}
@media (max-width: 600px) { .site-header { position: relative; top: 0; } }

/* Full-width layout: content stretches with the screen instead of sitting in a narrow centre column */
:root {
  --gutter-l: max(20px, 4vw, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, 4vw, env(safe-area-inset-right, 0px));
}
.wrap { max-width: 1760px; }
.hero-grid { min-height: max(520px, calc(100svh - 250px)); }
.hero-copy { max-width: 760px; padding-left: var(--gutter-l); }
.hero-copy h1 { font-size: clamp(32px, 3.6vw, 64px); }
.lead { font-size: clamp(16px, 1.05vw, 20px); }
.section-head { max-width: 1000px; }
#services .section-head { max-width: 1200px; }
@media (min-width: 1500px) {
  body { font-size: 17px; }
  .subnav a { font-size: 16px; }
  .gallery { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 900px) { .hero-grid { min-height: 0; } }