:root{
  --bg:#03111a;
  --bg2:#061923;
  --panel:#0a202c;
  --ink:#eef7fb;
  --muted:#9db3bf;
  --cyan:#2bc5d9;
  --blue:#2b8fbd;
  --line:#1d4452;
  --accent:#ff7d3d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.nav{
  position:fixed;inset:0 0 auto;z-index:30;
  background:rgba(2,11,17,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(80,173,201,.18)
}
.nav-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand img{width:166px;filter:brightness(1.15)}
nav{display:flex;gap:28px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
nav a{color:#c8d8df}
nav a:hover{color:var(--cyan)}
.hero{min-height:900px;position:relative;display:flex;align-items:center;overflow:hidden}
.hero-video{position:absolute;inset:0;overflow:hidden;background:#000}
.hero-video iframe{
  position:absolute;left:50%;top:50%;
  width:177.78vh;height:56.25vw;min-width:100%;min-height:100%;
  transform:translate(-50%,-50%);border:0;pointer-events:none
}
.hero-shade{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(1,10,16,.96) 0%,rgba(1,10,16,.82) 38%,rgba(1,10,16,.32) 72%,rgba(1,10,16,.5) 100%),
    linear-gradient(0deg,rgba(3,17,26,.92),transparent 42%)
}
.hero-content{position:relative;z-index:2;padding-top:100px;max-width:1180px}
.eyebrow{font-size:11px;font-weight:900;letter-spacing:.22em;text-transform:uppercase;color:#b9ced6}
.eyebrow.cyan{color:var(--cyan)}
h1,h2,h3{margin:0;font-weight:900;line-height:.94;letter-spacing:-.03em}
h1{font-size:clamp(56px,8vw,116px);max-width:900px;margin:18px 0 24px}
h1 span{color:var(--cyan)}
h2{font-size:clamp(40px,5.4vw,72px)}
h3{font-size:24px}
.hero-content p{max-width:660px;color:#c2d2d8;font-size:18px}
.hero-actions{display:flex;gap:12px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 22px;border:1px solid #3d7b94;
  font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase
}
.btn.primary{background:linear-gradient(90deg,#1989b1,#2bc5d9);color:#001119;border-color:transparent}
.btn.ghost{background:rgba(0,0,0,.2)}
.hero-stats{
  position:absolute;z-index:3;left:50%;bottom:30px;transform:translateX(-50%);
  display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(61,134,157,.5)
}
.hero-stats div{padding:18px 26px;border-right:1px solid rgba(61,134,157,.28)}
.hero-stats strong{display:block;font-size:11px;letter-spacing:.18em;color:var(--cyan)}
.hero-stats span{font-size:12px;color:#a8bdc6}
.section{padding:105px 0}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}
.lead-copy{font-size:18px;color:#b7cbd3}
.triad{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:70px}
.triad article,.expertise-grid article{
  background:linear-gradient(180deg,#0a202b,#071720);border:1px solid var(--line);padding:30px
}
.num,.expertise-grid span{font-size:11px;font-weight:900;color:var(--cyan);letter-spacing:.15em}
.triad h3{margin:20px 0 12px}.triad p,.expertise-grid p{color:var(--muted)}
.dark{background:#020b11;border-top:1px solid #123440;border-bottom:1px solid #123440}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:48px}
.section-head>p{max-width:480px;color:var(--muted)}
.expertise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.expertise-grid h3{font-size:20px;margin:15px 0 10px;line-height:1.1}
.systems{background:radial-gradient(circle at 80% 20%,rgba(43,197,217,.08),transparent 35%),#04121b}
.system-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.system-card{
  position:relative;min-height:330px;background:#020a0f;border:1px solid #173d4d;overflow:hidden
}
.system-card.large{grid-column:span 2}
.system-card img{width:100%;height:250px;object-fit:contain;background:#02080d}
.system-card div{padding:20px}
.system-card span{font-size:10px;color:var(--cyan);font-weight:900;letter-spacing:.16em}
.system-card h3{margin-top:7px}
.system-card p{color:var(--muted)}
.film-section{background:#01070b}
.video-frame{position:relative;aspect-ratio:16/9;border:1px solid #28627b;background:#000;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.fieldwork{background:#071821}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gallery figure{margin:0;position:relative;min-height:260px;overflow:hidden;background:#031017}
.gallery figure.wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.4s transform}
.gallery figure:hover img{transform:scale(1.035)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:35px 18px 15px;
  background:linear-gradient(transparent,rgba(0,0,0,.88));
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase
}
.survey{background:linear-gradient(110deg,#020b11,#07202b)}
.survey-grid{align-items:center}
.survey p{color:var(--muted);font-size:17px;max-width:560px}
.survey-visual{border:1px solid #235468;padding:12px;background:#020b11}
.survey-visual img{width:100%;height:440px;object-fit:cover}
.collaborate{background:linear-gradient(90deg,#0f6f8d,#0a2735)}
.collaborate-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end}
.collab-copy p{font-size:18px;color:#d9e7ec;max-width:530px;margin-bottom:28px}
footer{padding:34px 0;background:#01070b;border-top:1px solid #173e4d;color:#7f9aa6;font-size:11px}
.footer-inner{display:grid;grid-template-columns:180px 1fr 90px;gap:30px;align-items:center}
.footer-brand img{width:150px;filter:brightness(1.1)}
.seal img{width:68px;margin-left:auto}
@media(max-width:900px){
  nav{display:none}
  .hero{min-height:800px}
  .hero-stats{grid-template-columns:1fr;bottom:14px}
  .hero-stats div{padding:8px 0;border:0}
  .split,.collaborate-inner{grid-template-columns:1fr;gap:35px}
  .triad,.expertise-grid,.system-grid{grid-template-columns:1fr}
  .system-card.large{grid-column:auto}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery figure.wide{grid-column:span 2}
  .section-head{display:block}
  .section-head>p{margin-top:20px}
}
@media(max-width:560px){
  .wrap{width:min(100% - 24px,1180px)}
  .section{padding:72px 0}
  .gallery{grid-template-columns:1fr}
  .gallery figure.wide{grid-column:auto}
  .footer-inner{grid-template-columns:1fr}
  .seal img{margin:0}
}
\n\n/* ===== FRRC V2 visual refinement ===== */\n.nav{background:linear-gradient(180deg,rgba(1,9,15,.97),rgba(2,13,20,.93));border-bottom:1px solid rgba(43,197,217,.28)}\n.nav-inner{height:84px}\n.brand{display:flex;align-items:center;gap:12px;min-width:275px}\n.brand-mark{width:58px;height:58px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#fff;padding:7px;box-shadow:0 0 0 1px rgba(43,197,217,.20),0 8px 24px rgba(0,0,0,.28)}\n.brand-mark img{width:100%;height:100%;object-fit:contain;filter:none!important}\n.brand-text{display:flex;flex-direction:column;line-height:1}\n.brand-text strong{font-size:21px;letter-spacing:.08em;color:#f5fbff}\n.brand-text span{margin-top:5px;font-size:8px;letter-spacing:.08em;text-transform:uppercase;color:#91aab5}\n.hero{min-height:820px}\n.hero-shade{background:linear-gradient(90deg,rgba(1,10,16,.98) 0%,rgba(1,10,16,.90) 31%,rgba(1,10,16,.61) 54%,rgba(1,10,16,.20) 78%,rgba(1,10,16,.44) 100%),linear-gradient(0deg,rgba(3,17,26,.94),transparent 44%)}\n.hero-content{padding-top:112px;max-width:1180px}\n.hero-content .eyebrow{margin-bottom:18px;color:#d4e3e9}\nh1{font-size:clamp(56px,5.55vw,84px);max-width:700px;margin:0 0 22px;line-height:.92;letter-spacing:-.035em}\nh1>span{display:block;white-space:nowrap}\nh1 .line-white{color:#f4f8fb}\nh1 .line-cyan{color:#2bc5d9}\nh1 .dot{display:inline;color:#2bc5d9}\n.hero-content p{max-width:590px;font-size:16px;line-height:1.58;color:#d5e1e6;text-shadow:0 1px 8px rgba(0,0,0,.35)}\n.hero-actions{margin-top:26px}\n.btn{min-height:48px}\n.hero-stats{bottom:0;background:rgba(1,11,17,.86);border-top:1px solid rgba(43,197,217,.38);border-bottom:1px solid rgba(43,197,217,.12)}\n.hero-stats div{padding:16px 24px}\n.hero-stats strong{font-size:10px}\n.hero-stats span{font-size:11px}\n.about{padding-top:86px}\n.about h2{max-width:520px;font-size:clamp(42px,4.7vw,64px);line-height:.95}\n.about-copy{display:grid;grid-template-columns:1fr;gap:16px}\n.about-inline-image{width:100%;height:220px;object-fit:cover;border:1px solid #25566a;border-radius:12px;opacity:.94}\n.triad{margin-top:54px}\n.triad article,.expertise-grid article,.system-card{border-radius:10px}\n.system-card img{height:235px}\n.gallery figure{border-radius:8px}\n@media(max-width:1100px){.brand-text{display:none}.brand{min-width:auto}h1{font-size:clamp(50px,6.7vw,74px);max-width:650px}}\n@media(max-width:900px){.hero{min-height:760px}.hero-content{padding-top:105px}h1{font-size:clamp(46px,9vw,66px);max-width:590px}h1>span{white-space:normal}.hero-stats{position:relative;left:auto;bottom:auto;transform:none;margin-top:42px}.about-inline-image{height:260px}}\n@media(max-width:560px){.brand-mark{width:46px;height:46px}.nav-inner{height:70px}.hero{min-height:720px}.hero-content{padding-top:105px}h1{font-size:41px;line-height:.96}.hero-content p{font-size:15px}.hero-actions{flex-direction:column;align-items:flex-start}}\n

/* ===== FRRC V3 — PPT image edition ===== */
.brand{
  display:flex;align-items:center;min-width:255px;
}
.brand img{
  width:220px;height:58px;object-fit:contain;object-position:left center;
  filter:none!important;
}
.brand-mark,.brand-text{display:none!important}

.hero{
  min-height:760px;
  background:#03111a;
}
.hero-photo{
  position:absolute;inset:0;overflow:hidden;background:#03111a;
}
.hero-photo img{
  width:100%;height:100%;object-fit:cover;object-position:center 42%;
  transform:scale(1.015);
}
.hero-shade{
  background:
    linear-gradient(90deg,rgba(1,10,16,.98) 0%,rgba(1,10,16,.92) 29%,rgba(1,10,16,.67) 49%,rgba(1,10,16,.28) 72%,rgba(1,10,16,.18) 100%),
    linear-gradient(0deg,rgba(2,14,22,.94) 0%,rgba(2,14,22,.18) 46%,rgba(2,14,22,.18) 100%);
}
.hero-content{
  padding-top:92px;
  max-width:1180px;
}
.hero-content .eyebrow{
  margin-bottom:18px;
}
h1{
  font-size:clamp(43px,4.35vw,66px);
  max-width:650px;
  line-height:.98;
  letter-spacing:-.025em;
  margin-bottom:24px;
}
h1>span{white-space:normal}
.hero-content p{
  max-width:570px;
  font-size:16px;
  line-height:1.62;
}
.hero-actions{margin-top:27px}
.hero-stats{
  background:rgba(1,11,17,.91);
}
.about h2{
  font-size:clamp(38px,4vw,56px);
  max-width:460px;
}
.about-inline-image{
  height:270px;
  object-position:center;
}
@media(max-width:1100px){
  .brand img{width:190px;height:52px}
  h1{font-size:clamp(42px,5.6vw,60px);max-width:600px}
}
@media(max-width:900px){
  .hero{min-height:720px}
  .hero-content{padding-top:100px}
  .hero-photo img{object-position:58% center}
  h1{font-size:clamp(40px,8vw,56px)}
}
@media(max-width:560px){
  .brand img{width:165px;height:46px}
  h1{font-size:38px;line-height:1}
}

/* ===== FRRC V4 hero video ===== */
.hero-video{position:absolute;inset:0;overflow:hidden;background:#03111a;pointer-events:none}
.hero-video iframe{position:absolute;top:50%;left:50%;width:177.77777778vh;min-width:100%;height:56.25vw;min-height:100%;transform:translate(-50%,-50%);border:0;pointer-events:none}
@media(max-width:900px){.hero-video iframe{width:177.77777778vh;min-width:100%;height:56.25vw;min-height:100%}}

/* ===== FRRC V5 footer logo visibility ===== */
.footer-brand img{width:190px;height:auto;filter:none!important;opacity:1;}
@media(max-width:900px){.footer-brand img{width:180px}}