:root {
  --navy: #062b5c;
  --navy-2: #0b3974;
  --blue: #0f4b8f;
  --gold: #d8a33b;
  --orange: #f5a623;
  --ink: #152842;
  --muted: #637084;
  --line: #e4e9f0;
  --soft: #f5f7fa;
  --shell: min(1180px, calc(100% - 48px));
  --display: "Montserrat", sans-serif;
  --body: "Be Vietnam Pro", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: white; font-family: var(--body); overflow-x: hidden; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
svg { display: block; }
.shell { width: var(--shell); margin-inline: auto; }
section[id] { scroll-margin-top: 90px; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.section-title { margin: 0; color: var(--navy); font-family: var(--display); font-size: clamp(1.55rem, 2.8vw, 2.55rem); font-weight: 800; line-height: 1.2; letter-spacing: -.03em; text-transform: uppercase; }
.section-copy { color: var(--muted); font-size: .9rem; line-height: 1.9; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 47px; padding: 0 22px; color: white; background: var(--navy); border: 1px solid var(--navy); font-size: .75rem; font-weight: 800; text-transform: uppercase; transition: .2s; }
.button:hover { color: var(--navy); background: white; }
.button.gold { background: var(--orange); border-color: var(--orange); }
.button.gold:hover { color: var(--navy); background: white; }

.site-header { position: fixed; top: 0; right: 0; left: 0; z-index: 1000; height: 84px; color: white; background: linear-gradient(180deg, rgba(2,27,59,.45), transparent); border-bottom: 1px solid transparent; transition: transform .34s cubic-bezier(.22, 1, .36, 1), background-color .25s ease, border-color .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { color: var(--ink); background: rgba(255,255,255,.96); border-bottom-color: rgba(6,43,92,.1); box-shadow: 0 10px 30px rgba(6,43,92,.1); backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%); }
.site-header.is-hidden { transform: translateY(-110%); }
.header-inner { display: flex; align-items: center; height: 100%; gap: 38px; }
.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-logo { flex: 0 0 auto; width: 55px; height: 55px; object-fit: contain; filter: drop-shadow(0 5px 10px rgba(3,31,69,.16)); }
.brand-mark { position: relative; width: 47px; height: 51px; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 3px; height: 43px; background: currentColor; transform-origin: bottom; }
.brand-mark::before { transform: rotate(21deg); }
.brand-mark::after { transform: rotate(-21deg); }
.brand-mark span::before, .brand-mark span::after { content: ""; position: absolute; z-index: 2; left: 4px; width: 39px; height: 2px; background: var(--gold); transform: rotate(-9deg); }
.brand-mark span::before { top: 25px; }
.brand-mark span::after { top: 35px; transform: rotate(7deg); }
.brand-type strong { display: block; color: currentColor; font-family: var(--display); font-size: 1.28rem; line-height: 1; letter-spacing: -.025em; }
.brand-type small { display: block; margin-top: 6px; color: currentColor; opacity: .72; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.site-nav { display: flex; align-items: stretch; justify-content: center; height: 100%; gap: clamp(18px, 2.3vw, 34px); margin-left: auto; }
.site-nav a { position: relative; display: flex; align-items: center; color: currentColor; font-size: .75rem; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: 21px; left: 0; height: 2px; background: var(--gold); transform: scaleX(0); transition: transform .2s; }
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }
.header-cta { display: inline-flex; align-items: center; padding: 13px 18px; color: white; background: rgba(6,43,92,.88); border: 1px solid rgba(255,255,255,.3); font-size: .75rem; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.menu-toggle { display: none; width: 44px; height: 44px; margin-left: auto; padding: 0; color: currentColor; background: transparent; border: 0; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { display: block; width: 25px; height: 2px; margin: 5px auto; content: ""; background: currentColor; transition: .2s; }

.page-hero { position: relative; min-height: 380px; display: flex; align-items: center; overflow: hidden; color: white; background: var(--navy); isolation: isolate; }
.page-hero > img { position: absolute; inset: 0; z-index: -2; height: 100%; object-fit: cover; opacity: .48; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,39,83,.98), rgba(5,39,83,.7) 62%, rgba(5,39,83,.3)); }
.page-hero h1 { max-width: 770px; margin: 0; font-family: var(--display); font-size: clamp(2.2rem, 5vw, 3.75rem); line-height: 1.08; letter-spacing: -.045em; text-transform: uppercase; }
.page-hero p { max-width: 650px; margin: 19px 0 0; color: #d8e2ee; font-size: .88rem; line-height: 1.8; }
.breadcrumbs { display: flex; gap: 9px; margin-bottom: 22px; color: #d6e1ed; font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.breadcrumbs a:hover { color: white; }

.intro-section { padding: 86px 0; }
.two-col { display: grid; grid-template-columns: .9fr 1.2fr; align-items: center; gap: 68px; }
.two-col.reverse { grid-template-columns: 1.2fr .9fr; }
.feature-image { min-height: 390px; height: 100%; object-fit: cover; }
.lead { margin: 22px 0 0; color: #34465d; font-size: 1rem; line-height: 1.9; }
.body-copy { color: var(--muted); font-size: .82rem; line-height: 1.9; }

.value-section { padding: 75px 0; background: var(--soft); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; }
.value-card { min-height: 215px; padding: 27px 25px; background: white; border-top: 3px solid var(--gold); box-shadow: 0 8px 24px rgba(17,44,77,.06); }
.value-number { display: block; margin-bottom: 28px; color: #c8d6e7; font-family: var(--display); font-size: 2.1rem; font-weight: 800; }
.value-card h3 { margin: 0 0 11px; color: var(--navy); font-size: .82rem; text-transform: uppercase; }
.value-card p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.75; }

.timeline-section { padding: 82px 0; }
.timeline { position: relative; margin-top: 42px; padding-left: 32px; border-left: 2px solid #d6deea; }
.timeline-item { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 25px; padding: 0 0 38px 24px; }
.timeline-item::before { content: ""; position: absolute; top: 3px; left: -40px; width: 14px; height: 14px; background: var(--gold); border: 5px solid white; border-radius: 50%; box-shadow: 0 0 0 1px #cbd5e1; }
.timeline-year { color: var(--navy); font-family: var(--display); font-size: 1.45rem; font-weight: 800; }
.timeline-item h3 { margin: 0 0 8px; color: var(--ink); font-size: .85rem; }
.timeline-item p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.8; }

.dark-section { padding: 78px 0; color: white; background: var(--navy); }
.dark-section .section-title { color: white; }
.dark-section .eyebrow { color: #bdd0e5; }
.mission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; margin-top: 35px; }
.mission-card { padding: 34px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.04); }
.mission-card h3 { margin: 0 0 14px; color: var(--gold); font-family: var(--display); font-size: 1.15rem; text-transform: uppercase; }
.mission-card p { margin: 0; color: #cbd8e7; font-size: .78rem; line-height: 1.85; }

.org-section { padding: 82px 0; }
.org-chart { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 38px; }
.org-node { position: relative; min-height: 118px; padding: 28px 22px; background: var(--soft); border: 1px solid var(--line); text-align: center; }
.org-node.primary { grid-column: 2; color: white; background: var(--navy); border-color: var(--navy); }
.org-node h3 { margin: 0; font-size: .78rem; text-transform: uppercase; }
.org-node p { margin: 9px 0 0; color: var(--muted); font-size: .75rem; line-height: 1.6; }
.org-node.primary p { color: #c8d5e5; }

.leader-section { padding: 78px 0; background: var(--soft); }
.leader-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 35px; }
.leader-card { overflow: hidden; background: white; }
.leader-portrait { display: grid; place-items: center; min-height: 240px; color: #9fb0c4; background: linear-gradient(145deg, #edf2f7, #dce5ef); }
.leader-portrait svg { width: 92px; height: 92px; }
.leader-info { padding: 23px; }
.leader-info h3 { margin: 0; color: var(--navy); font-size: .85rem; text-transform: uppercase; }
.leader-info p { margin: 8px 0 0; color: var(--muted); font-size: .75rem; line-height: 1.65; }

.service-detail { padding: 82px 0; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.capability-card { min-height: 215px; padding: 27px; background: white; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(17,44,77,.06); }
.capability-icon { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 21px; color: var(--navy); background: #edf3f8; border-radius: 50%; }
.capability-icon svg { width: 30px; height: 30px; }
.capability-card h3 { margin: 0 0 10px; color: var(--navy); font-size: .79rem; text-transform: uppercase; }
.capability-card p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.75; }

.equipment-section { padding: 78px 0; background: var(--soft); }
.equipment-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 55px; align-items: stretch; margin-top: 34px; }
.equipment-grid img { height: 100%; min-height: 410px; object-fit: cover; }
.equipment-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.equipment-item { padding: 21px; background: white; border-left: 3px solid var(--gold); }
.equipment-item strong { display: block; color: var(--navy); font-family: var(--display); font-size: 1.3rem; }
.equipment-item span { display: block; margin-top: 7px; color: var(--muted); font-size: .75rem; line-height: 1.6; }

.people-section { padding: 82px 0; }
.people-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 55px; align-items: center; margin-top: 35px; }
.people-grid img { min-height: 410px; height: 100%; object-fit: cover; }
.people-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px; }
.people-stat { padding: 25px; color: white; background: var(--navy); }
.people-stat strong { display: block; color: var(--gold); font-family: var(--display); font-size: 2rem; }
.people-stat span { display: block; margin-top: 8px; font-size: .75rem; line-height: 1.6; }

.certificate-section { padding: 78px 0; background: var(--soft); }
.certificate-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 35px; }
.certificate-card { position: relative; min-height: 265px; padding: 20px; overflow: hidden; background: white; border: 1px solid #dfe5ed; box-shadow: 0 9px 24px rgba(16,45,80,.07); }
.certificate-card::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(216,163,59,.5); }
.certificate-seal { display: grid; place-items: center; width: 66px; height: 66px; margin: 16px auto 19px; color: var(--gold); border: 2px solid currentColor; border-radius: 50%; font-family: var(--display); font-size: 1.2rem; font-weight: 800; }
.certificate-card h3 { margin: 0; color: var(--navy); font-family: var(--display); font-size: .8rem; line-height: 1.5; text-align: center; text-transform: uppercase; }
.certificate-card p { margin: 10px 0 0; color: var(--muted); font-size: .75rem; line-height: 1.65; text-align: center; }

.news-section { padding: 80px 0; }
.news-feature { margin-top: 36px; padding-bottom: 55px; border-bottom: 1px solid var(--line); }
.news-feature-link { display: grid; grid-template-columns: 1.2fr 1fr; gap: 34px; align-items: center; }
.news-feature img { height: 385px; object-fit: cover; }
.news-date { color: var(--blue); font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.news-feature h2 { margin: 13px 0 16px; color: var(--navy); font-family: var(--display); font-size: clamp(1.45rem, 2.7vw, 2.35rem); line-height: 1.3; }
.news-feature p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.85; }
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.news-card { overflow: hidden; background: white; border: 1px solid var(--line); }
.news-card > a { display: block; height: 100%; }
.news-card img { aspect-ratio: 1.55; object-fit: cover; }
.news-card-body { padding: 20px; }
.news-card h3 { margin: 10px 0 0; color: var(--ink); font-size: .82rem; line-height: 1.6; }
.news-card p { margin: 10px 0 0; color: var(--muted); font-size: .75rem; line-height: 1.7; }
.news-feature img, .news-card img { transition: transform .5s cubic-bezier(.22, 1, .36, 1); }
.news-feature:hover img, .news-card:hover img { transform: scale(1.025); }
.news-read-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--navy); font-size: .75rem; font-weight: 800; text-transform: uppercase; }

.profile-section { padding: 80px 0; }
.profile-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.profile-cover { position: relative; min-height: 590px; padding: 55px 45px; overflow: hidden; color: white; background: var(--navy); box-shadow: 0 22px 55px rgba(5,39,83,.2); isolation: isolate; }
.profile-cover::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url("assets/hero.webp") center/cover; opacity: .4; }
.profile-cover::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(5,39,83,.62), rgba(5,39,83,.98)); }
.profile-cover .brand-type strong { color: white; font-size: 1.6rem; }
.profile-cover h2 { margin: 150px 0 15px; font-family: var(--display); font-size: 2.6rem; line-height: 1.15; text-transform: uppercase; }
.profile-cover p { margin: 0; color: #d6e0ec; font-size: .78rem; line-height: 1.8; }
.profile-cover > small { position: absolute; bottom: 40px; left: 45px; color: #aebed2; font-size: .75rem; }
.profile-benefits { display: grid; gap: 15px; margin: 28px 0 32px; }
.profile-benefit { display: grid; grid-template-columns: 38px 1fr; gap: 13px; align-items: start; padding: 18px; background: var(--soft); }
.profile-benefit strong { display: block; color: var(--navy); font-size: .75rem; }
.profile-benefit span { display: block; margin-top: 5px; color: var(--muted); font-size: .75rem; line-height: 1.6; }

.bottom-cta { padding: 55px 0; color: white; background: var(--navy); }
.bottom-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.bottom-cta h2 { margin: 0; font-family: var(--display); font-size: clamp(1.35rem, 2.5vw, 2.15rem); }
.bottom-cta p { margin: 9px 0 0; color: #c5d2e1; font-size: .75rem; }

.footer { color: #c8d2df; background: #052650; }
.footer-main { display: grid; grid-template-columns: 1.65fr .8fr .95fr .8fr 1.45fr; gap: 40px; padding: 50px 0 42px; }
.footer .brand-type strong { color: white; }
.footer .brand-type small { color: #9eacc0; }
.footer .brand-mark::before, .footer .brand-mark::after { background: white; }
.footer-intro p { max-width: 260px; margin: 18px 0 0; font-size: .75rem; line-height: 1.75; }
.footer h3 { margin: 7px 0 17px; color: white; font-size: .75rem; text-transform: uppercase; }
.footer ul { margin: 0; padding: 0; list-style: none; }
.footer li, .footer-address p { margin: 0 0 10px; font-size: .75rem; line-height: 1.6; }
.footer a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.11); }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 30px; padding: 17px 0 20px; color: #94a5bb; font-size: .75rem; }
.footer-policy { display: flex; gap: 24px; }
.reveal,
.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .68s cubic-bezier(.22, 1, .36, 1),
    transform .68s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.is-visible,
.reveal-group.is-visible > .reveal-item {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 34px, 720px); }
  .site-header { height: 72px; }
  .brand-mark { width: 39px; height: 44px; }
  .brand-logo { width: 46px; height: 46px; }
  .brand-type strong { font-size: 1.05rem; }
  .brand-type small { font-size: .75rem; }
  .site-nav { position: fixed; inset: 72px 0 auto; display: grid; align-content: start; height: calc(100vh - 72px); padding: 30px 24px; color: var(--ink); background: white; transform: translateX(100%); transition: transform .25s; }
  .site-nav.is-open { transform: none; }
  .site-nav a { display: block; padding: 14px 0; font-size: .8rem; border-bottom: 1px solid var(--line); }
  .site-nav a::after { display: none; }
  .header-cta { display: none; }
  .menu-toggle { display: block; }
  .menu-toggle.is-open span { opacity: 0; }
  .menu-toggle.is-open::before { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.is-open::after { transform: translateY(-7px) rotate(-45deg); }
  .two-col, .two-col.reverse, .equipment-grid, .people-grid, .news-feature-link, .profile-grid { grid-template-columns: 1fr; }
  .value-grid, .certificate-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid, .news-list { grid-template-columns: repeat(2, 1fr); }
  .org-chart, .leader-grid { grid-template-columns: repeat(2, 1fr); }
  .org-node.primary { grid-column: 1 / -1; }
  .footer-main { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-address { grid-column: 2 / 4; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 30px); }
  .page-hero { min-height: 345px; }
  .page-hero h1 { font-size: 2.25rem; }
  .intro-section, .timeline-section, .org-section, .service-detail, .people-section, .news-section, .profile-section { padding: 62px 0; }
  .value-grid, .mission-grid, .capability-grid, .equipment-list, .people-stats, .certificate-grid, .news-list, .org-chart, .leader-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .feature-image, .equipment-grid img, .people-grid img { min-height: 280px; }
  .profile-cover { min-height: 500px; padding: 38px 28px; }
  .profile-cover h2 { margin-top: 115px; font-size: 2rem; }
  .profile-cover > small { left: 28px; }
  .bottom-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px 22px; }
  .footer-intro, .footer-address { grid-column: 1 / -1; }
  .footer-bottom-inner { align-items: flex-start; flex-direction: column; }
  .footer-policy { flex-wrap: wrap; }
}