:root {
  --navy: #102c50;
  --navy-deep: #0c223e;
  --blue: #235fad;
  --ink: #182b42;
  --muted: #58687b;
  --line: #dce3ec;
  --soft: #f4f6f9;
  --white: #fff;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; color: var(--ink); background: var(--white); font: 1rem/1.8 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
svg { display: block; flex-shrink: 0; }
h1, h2, h3, p { margin: 0; }
a:focus-visible, button:focus-visible { outline: 3px solid #76a7ed; outline-offset: 5px; }
.container { width: min(1280px, calc(100% - 80px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: #fff; border-top: 4px solid var(--navy); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; min-height: 96px; }
.header-brand { display: flex; align-items: center; gap: 28px; min-width: 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; flex-shrink: 0; }
.brand-mark { color: var(--navy); width: 46px; height: 46px; }
.brand-name { font-size: 1.65rem; font-weight: 650; line-height: 1.2; letter-spacing: 3px; }
.brand-name small { display: block; font-size: .75rem; font-weight: 500; letter-spacing: .55px; margin-top: 6px; line-height: 1.3; }
.brand-entity { border-left: 1px solid var(--line); padding-left: 28px; font-size: .875rem; color: #5d6c7e; letter-spacing: .4px; }
#site-nav { display: flex; align-items: stretch; align-self: stretch; gap: 39px; font-size: .9375rem; font-weight: 500; }
.nav-link { position: relative; display: flex; align-items: center; padding: 8px 3px; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: transparent; }
.nav-link:hover, .nav-link[aria-current="location"] { color: var(--blue); }
.nav-link[aria-current="location"]::after { background: var(--blue); }
.menu-toggle { display: none; }
.hero-banner { position: relative; overflow: hidden; isolation: isolate; background: var(--navy-deep); }
.hero-banner::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, #102c50 0%, #102c50 31%, rgba(16,44,80,.94) 43%, rgba(16,44,80,.28) 63%, rgba(16,44,80,0) 80%); }
.hero-main { position: relative; z-index: 2; min-height: 552px; display: flex; align-items: center; padding-block: 66px; pointer-events: none; }
.hero-copy { color: #fff; width: 56%; pointer-events: auto; }
.eyebrow { font-size: .75rem; line-height: 1.5; font-weight: 600; letter-spacing: 1.8px; color: var(--blue); display: flex; align-items: center; gap: 12px; }
.hero-copy .eyebrow { color: #c0d4ef; letter-spacing: 2px; }
.eyebrow-line { width: 26px; height: 1px; background: currentColor; flex-shrink: 0; }
h1 { margin: 25px 0 23px; font-size: clamp(2.55rem, 3.8vw, 3.5rem); line-height: 1.42; font-weight: 600; letter-spacing: 1px; }
h1 span { color: #c7dcfa; }
.hero-description { color: #d5dfed; font-size: 1.0625rem; line-height: 1.95; letter-spacing: .4px; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 29px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 25px; border: 1px solid transparent; border-radius: 2px; font-size: .875rem; font-weight: 500; }
.button-primary { background: #fff; color: var(--navy); }
.button-primary:hover { background: #e8eff8; }
.button-text { color: #fff; border-color: #96abc5; }
.button-text:hover { background: #ffffff12; border-color: #fff; }
.hero-location { display: flex; gap: 7px; align-items: center; font-size: .75rem; color: #b6c9e1; margin-top: 28px; }
.hero-visual { position: absolute; inset: 0 0 0 34%; z-index: 0; background: #edf3fa; }
.visual-art { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 66% center; }
.visual-head { position: absolute; z-index: 2; left: 48%; right: max(40px, calc((100vw - 1280px) / 2)); top: 31px; display: flex; gap: 20px; justify-content: space-between; color: #435d7f; font-size: .75rem; letter-spacing: 1.4px; }
.visual-head span:last-child { white-space: nowrap; }
.visual-foot { position: absolute; z-index: 2; bottom: 32px; right: max(40px, calc((100vw - 1280px) / 2)); width: min(400px, 32vw); padding-top: 17px; border-top: 1px solid #6883a455; display: flex; align-items: center; justify-content: space-between; color: #354f70; font-size: .8125rem; letter-spacing: .5px; }
.visual-foot i { font-style: normal; color: #637a98; }
.credentials-wrap { border-bottom: 1px solid var(--line); background: #f7f9fc; }
.credentials { min-height: 112px; display: grid; grid-template-columns: .85fr 1.15fr 1.45fr; align-items: center; gap: 25px; }
.credentials-label { font-size: .875rem; font-weight: 600; }
.credentials-label span { display: block; font-size: .75rem; font-weight: 400; letter-spacing: .7px; color: #6c7c90; margin-top: 3px; }
.credential { display: flex; align-items: center; gap: 18px; border-left: 1px solid #d6dfeb; padding-left: 30px; font-size: 1rem; font-weight: 500; line-height: 1.7; }
.credential svg { width: 33px; height: 33px; color: #315c91; }
.section { padding: 96px 0; }
h2 { color: var(--navy); margin-top: 20px; font-size: 2.125rem; line-height: 1.55; letter-spacing: .2px; font-weight: 600; text-wrap: balance; }
h3 { color: var(--navy); font-size: 1.25rem; line-height: 1.6; font-weight: 600; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.section-heading { position: relative; }
.section-heading::after { content: ""; display: block; width: 44px; height: 3px; background: var(--blue); margin-top: 30px; }
.section-aside { color: #55687e; font-size: .875rem; margin-top: 23px; }
.about-content .lead { font-size: 1.1875rem; line-height: 1.95; color: #263e5b; font-weight: 500; margin-top: -6px; }
.about-content p { color: var(--muted); font-size: 1rem; line-height: 2; margin-top: 20px; }
.about-focus { display: flex; gap: 25px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 27px; color: var(--blue); font-size: .875rem; }
.about-focus span + span { border-left: 1px solid var(--line); padding-left: 25px; }
.services-section { background: var(--soft); border-top: 1px solid #e6ebf1; }
.section-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 35px; margin-bottom: 40px; }
.section-top > p { font-size: 1rem; line-height: 1.9; color: var(--muted); margin-bottom: 5px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { background: #fff; border: 1px solid #dbe3ed; border-top: 3px solid #6f8fb7; padding: 31px 30px 27px; display: flex; flex-direction: column; }
.service-card[href]:hover { border-color: #235fad; background: #fbfcfe; box-shadow: 0 7px 22px #102c5010; }
.service-card[href]:focus-visible { outline: 3px solid #235fad; outline-offset: 4px; }
.service-card .card-action { display: block; color: var(--blue); font-size: .875rem; font-weight: 500; margin-top: 20px; text-decoration: underline; text-underline-offset: 5px; }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 23px; }
.card-top svg { width: 32px; height: 32px; color: var(--blue); }
.card-top > span { font-size: 1.5rem; line-height: 1; font-weight: 400; letter-spacing: 1px; color: #647e9f; font-variant-numeric: tabular-nums; }
.service-card p { color: var(--muted); font-size: 1rem; line-height: 1.9; margin-top: 14px; margin-bottom: 24px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px 15px; margin-top: auto; padding-top: 18px; border-top: 1px solid #e7ecf2; }
.tags span { font-size: .8125rem; color: #436185; line-height: 1.8; }
.site-footer { background: var(--navy-deep); color: #edf3fc; border-top: 4px solid #315a8c; padding: 48px 0 25px; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 45px; padding-bottom: 38px; }
.footer-brand .brand-mark { color: #406b9e; width: 43px; height: 43px; }
.footer-brand .brand-name { font-size: 1.5rem; }
.footer-brand .brand-name small { color: #c3d1e4; font-size: .75rem; }
.footer-identity > p { font-size: .875rem; color: #c4d1e2; margin-top: 19px; }
.footer-nav { display: flex; gap: 30px; font-size: .875rem; color: #d5e0ef; margin-left: auto; }
.footer-nav a { padding: 10px 0; }
.footer-nav a:hover, .back-top:hover { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
.back-top { font-size: .8125rem; color: #c4d3e7; border: 1px solid #60748e; padding: 9px 16px; white-space: nowrap; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid #47607d; font-size: .75rem; color: #b4c5dc; line-height: 1.9; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 40; background: #fff; color: var(--navy); padding: 12px 18px; border: 2px solid var(--blue); }
.skip-link:focus { top: 12px; }
@media (min-width: 1700px) {
  .hero-main { min-height: 590px; }
  .hero-banner::after { background: linear-gradient(90deg, #102c50 0%, #102c50 34%, rgba(16,44,80,.95) 44%, rgba(16,44,80,.18) 66%, transparent 82%); }
}
@media (max-width: 1120px) {
  .container { width: calc(100% - 64px); }
  .brand-entity { display: none; }
  .hero-main { min-height: 520px; }
  .hero-copy { width: 61%; }
  .visual-head { left: 51%; right: 32px; }
  .visual-head span:first-child { display: none; }
  .visual-foot { right: 32px; width: 32vw; }
  .credentials { grid-template-columns: .72fr 1fr 1.16fr; gap: 20px; }
  .credential { font-size: .875rem; gap: 13px; padding-left: 20px; }
  .credential svg { width: 28px; height: 28px; }
  .credentials-label span { letter-spacing: 0; }
  .about-grid { gap: 60px; }
  .section { padding: 80px 0; }
  .section-top > p { font-size: .9375rem; }
  h2 { font-size: 1.875rem; }
  .service-card { padding: 27px 24px 24px; }
  .services-grid { gap: 18px; }
  .about-focus { gap: 16px; }
  .about-focus span + span { padding-left: 16px; }
  .footer-main { gap: 30px; }
  .footer-nav { gap: 23px; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 48px); }
  .header-inner { min-height: 83px; }
  #site-nav { gap: 26px; }
  .hero-main { min-height: 502px; padding-block: 52px; }
  .hero-copy { width: 67%; }
  h1 { font-size: 2.5rem; }
  .hero-description { font-size: 1rem; }
  .hero-banner::after { background: linear-gradient(90deg, #102c50 0%, rgba(16,44,80,.98) 37%, rgba(16,44,80,.82) 56%, rgba(16,44,80,.05) 92%); }
  .visual-head { display: none; }
  .visual-foot { display: none; }
  .credentials { min-height: 112px; grid-template-columns: 1fr 1.14fr; gap: 22px; }
  .credentials-label { display: none; }
  .credential { border: 0; padding: 0; font-size: .875rem; }
  .credential + .credential { border-left: 1px solid var(--line); padding-left: 20px; }
  .about-grid { grid-template-columns: .85fr 1.15fr; gap: 35px; }
  .about-focus { gap: 10px; font-size: .8125rem; }
  .about-focus span + span { padding-left: 10px; }
  .section-top { align-items: flex-start; flex-direction: column; gap: 20px; }
  .section-top > p br { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { flex-wrap: wrap; }
  .footer-nav { margin-left: 0; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 90px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 73px; gap: 15px; }
  .brand { gap: 10px; }
  .brand-mark { width: 37px; height: 37px; }
  .brand-name { font-size: 1.35rem; letter-spacing: 2px; }
  .brand-name small { font-size: .75rem; letter-spacing: 0; margin-top: 4px; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 6px; width: 44px; height: 44px; background: transparent; border: 1px solid var(--line); border-radius: 2px; flex-shrink: 0; }
  .menu-toggle span { width: 20px; height: 2px; background: var(--navy); }
  #site-nav { display: none; position: absolute; left: 0; right: 0; top: 77px; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px 15px; box-shadow: 0 8px 15px #102c500d; }
  #site-nav.is-open { display: flex; flex-direction: column; gap: 0; }
  .nav-link { min-height: 49px; padding: 12px 10px; }
  .nav-link::after { width: 3px; height: auto; left: 0; top: 13px; bottom: 13px; right: auto; }
  .hero-main { min-height: 455px; padding-block: 43px; }
  .hero-copy { width: 100%; }
  .hero-copy .eyebrow { font-size: .75rem; letter-spacing: 1.2px; gap: 9px; }
  h1 { font-size: clamp(1.9rem, 8.5vw, 2.75rem); line-height: 1.5; margin: 22px 0 19px; letter-spacing: .3px; }
  .hero-description { font-size: 1rem; line-height: 1.95; color: #e2eafa; }
  .desktop-break { display: none; }
  .hero-actions { margin-top: 25px; gap: 12px; }
  .button { padding: 10px 20px; min-height: 47px; }
  .hero-location { margin-top: 24px; color: #c7d5e8; }
  .hero-banner::after { background: linear-gradient(90deg, rgba(16,44,80,.98) 0%, rgba(16,44,80,.93) 53%, rgba(16,44,80,.78) 100%); }
  .hero-visual { left: 0; }
  .visual-art { object-position: 57% center; }
  .credentials { padding-block: 25px; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
  .credential { font-size: .875rem; gap: 13px; }
  .credential + .credential { border: 0; padding-left: 0; }
  .credential svg { width: 27px; height: 27px; }
  .section { padding: 58px 0; }
  .eyebrow { font-size: .75rem; letter-spacing: 1.5px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  h2 { font-size: 1.75rem; line-height: 1.6; margin-top: 16px; }
  .about-grid h2 br { display: none; }
  .section-aside { font-size: .875rem; margin-top: 16px; }
  .section-heading::after { margin-top: 23px; width: 36px; }
  .about-content .lead { font-size: 1.125rem; }
  .about-content p { font-size: 1rem; }
  .about-focus { gap: 13px; font-size: .8125rem; padding-top: 23px; margin-top: 24px; }
  .about-focus span + span { padding-left: 13px; }
  .section-top { gap: 16px; margin-bottom: 30px; }
  .section-top > p { font-size: 1rem; }
  .services-grid { grid-template-columns: 1fr; gap: 18px; }
  .service-card { padding: 26px 25px 25px; }
  .service-card h3 { font-size: 1.25rem; }
  .service-card p { margin-bottom: 23px; }
  .card-top { margin-bottom: 20px; }
  .tags { gap: 8px 18px; padding-top: 16px; }
  .tags span { font-size: .875rem; }
  .site-footer { padding: 37px 0 25px; }
  .footer-main { gap: 28px 22px; padding-bottom: 30px; align-items: flex-start; }
  .footer-identity { width: 100%; }
  .footer-brand .brand-name { font-size: 1.4rem; }
  .footer-brand .brand-mark { width: 40px; height: 40px; }
  .footer-identity > p { font-size: .875rem; margin-top: 18px; }
  .footer-nav { font-size: .875rem; gap: 22px; flex-wrap: wrap; }
  .back-top { margin-left: auto; padding: 8px 12px; }
  .footer-bottom { font-size: .75rem; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Display the supplied symbol directly; preserve the source image and its proportions. */
.brand .brand-logo {
  position: relative;
  display: block;
  width: var(--brand-logo-width, 72px);
  height: auto;
  aspect-ratio: 916 / 650;
  overflow: hidden;
  flex-shrink: 0;
  background: #fff;
}
.brand-logo img {
  position: absolute;
  display: block;
  width: calc(100% * 2048 / 916);
  max-width: none;
  height: auto;
  left: calc(-100% * 568 / 916);
  top: calc(-100% * 380 / 650);
}
.footer-brand { --brand-logo-width: 60px; }
@media (max-width: 640px) {
  .header-brand { --brand-logo-width: 58px; }
}
@media (max-width: 360px) {
  .header-brand .brand-name small { max-width: 135px; }
}

/* A single scene connects the brand mark, architectural materials and light. */
.hero-brand {
  background-color: #171e24;
  background-image: linear-gradient(90deg, #10192380 0%, #10192324 45%, transparent 60%),
                    url("assets/hero-brand-integrated.png");
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}
.hero-brand::after { display: none; }
.hero-brand h1 span { color: #d9e0e9; }
.hero-brand .hero-description { color: #d0d8e3; }
.hero-brand .hero-copy .eyebrow,
.hero-brand .hero-location { color: #b7c4d4; }
.hero-brand .button-primary { color: #202c39; background: #f7f8fa; }
.hero-brand .button-primary:hover { background: #e4e9ef; }
.hero-brand .button-text { border-color: #8696a9; }
.hero-brand .hero-visual {
  inset: 0 auto 0 54%;
  width: 28%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  gap: 0;
  padding-block: 54px;
  background: transparent;
  pointer-events: none;
}
.hero-brand .visual-head {
  position: static;
  inset: auto;
  display: flex;
  align-items: center;
  color: #f0f3f7;
  text-shadow: 0 1px 5px #080e16b3;
  font-size: .75rem;
  letter-spacing: 1.6px;
}
.hero-brand .visual-head span:first-child { display: inline; }
.hero-brand-mark { flex: 1; }
.hero-brand .visual-foot {
  position: static;
  inset: auto;
  display: flex;
  width: 100%;
  padding-top: 18px;
  border-top: 1px solid #637185;
  color: #f0f3f7;
  text-shadow: 0 1px 5px #080e16b3;
}
.hero-brand .visual-foot i { color: #a6b3c4; }
@media (max-width: 1120px) {
  .hero-brand .hero-visual { left: 53%; right: auto; width: 30%; }
  .hero-brand .visual-head { letter-spacing: .4px; gap: 12px; }
}
@media (max-width: 800px) {
  .hero-brand {
    background-image: linear-gradient(180deg, #111a23 0%, #111a23 37%, #111a2300 70%),
                      url("assets/hero-brand-integrated.png");
    background-size: 100% 100%, auto 740px;
    background-position: center, calc(50% - 237px) calc(100% + 240px);
  }
  .hero-brand .hero-main { min-height: 0; padding-top: 48px; padding-bottom: 34px; }
  .hero-brand .hero-copy { width: 100%; }
  .hero-brand .hero-visual {
    position: relative;
    inset: auto;
    width: min(470px, calc(100% - 48px));
    height: 326px;
    margin-inline: auto;
    padding-top: 0;
    padding-bottom: 40px;
    gap: 18px;
  }
}
@media (max-width: 640px) {
  .hero-brand .hero-main { padding-top: 38px; padding-bottom: 32px; }
  .hero-brand .hero-visual { width: calc(100% - 40px); padding-bottom: 32px; gap: 16px; }
  .hero-brand .visual-head { letter-spacing: .7px; }
  .hero-brand .visual-foot { font-size: .75rem; padding-top: 15px; }
}