:root{
  --navy:#071a2f;
  --navy-2:#0b2442;
  --green:#11a93a;
  --green-dark:#0b812d;
  --blue:#136d8b;
  --text:#172033;
  --muted:#64748b;
  --soft:#f5f8fb;
  --line:#dfe7ef;
  --white:#ffffff;
  --shadow:0 14px 40px rgba(15,23,42,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(15,23,42,.08);backdrop-filter:blur(14px)}
.header-inner{height:94px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand img{width:390px;max-height:78px;object-fit:contain;object-position:left center}
.main-nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.main-nav a{transition:.2s ease}
.main-nav a:hover{color:var(--green)}
.nav-cta{padding:11px 17px;border-radius:999px;background:var(--green);color:#fff!important}
.nav-toggle{display:none;border:0;background:none;font-size:28px}

.hero{position:relative;min-height:690px;background:url('assets/hero-virtual-data.jpg') center/cover no-repeat;display:flex;align-items:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(1,14,28,.92) 0%,rgba(1,14,28,.78) 42%,rgba(1,14,28,.28) 72%,rgba(1,14,28,.18) 100%)}
.hero-content{position:relative;z-index:2}
.hero-copy{max-width:720px;color:#fff}
.eyebrow,.section-kicker{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.15em;color:var(--green);margin-bottom:14px}
.hero h1{font-size:clamp(42px,5vw,70px);line-height:1.08;margin:0 0 22px;letter-spacing:-.045em}
.hero-text{font-size:20px;max-width:690px;color:rgba(255,255,255,.88);margin-bottom:30px}
.hero-actions,.cta-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:0 26px;border-radius:999px;font-weight:700;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(17,169,58,.24)}
.btn-primary:hover{background:var(--green-dark)}
.btn-secondary{background:#fff;color:var(--text)}
.btn-secondary.light{border-color:rgba(255,255,255,.45);background:transparent;color:#fff}
.btn-card{width:100%;background:var(--green);color:#fff;margin-top:auto}

.section{padding:92px 0}
.section-heading{text-align:center;max-width:820px;margin:0 auto 48px}
.section-heading h2{font-size:clamp(34px,4vw,52px);line-height:1.12;margin:0 0 16px;letter-spacing:-.035em}
.section-heading p{font-size:18px;color:var(--muted);margin:0}

.units{background:#fff}
.unit-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.unit-card{border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.25s ease}
.unit-card:hover{transform:translateY(-6px);border-color:rgba(17,169,58,.45)}
.unit-icon{font-size:44px}
.unit-card h3{font-size:34px;line-height:1.1;margin:14px 0 18px}
.unit-card h3 span{color:var(--green)}
.unit-card p{color:var(--muted);font-size:17px}
.unit-card ul{padding-left:22px;margin:16px 0 30px}
.unit-card li{margin:8px 0}
.unit-card .btn{align-self:flex-start;margin-top:auto}

.programs{background:var(--soft)}
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.program-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 10px 28px rgba(15,23,42,.07);display:flex;flex-direction:column;transition:.25s ease}
.program-card:hover{transform:translateY(-7px);box-shadow:0 18px 45px rgba(15,23,42,.14)}
.program-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.program-body{padding:24px;display:flex;flex-direction:column;flex:1}
.program-tag{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--green)}
.program-card h3{font-size:22px;line-height:1.25;margin:10px 0 12px}
.program-card p{color:var(--muted);font-size:15px}
.feature-list{padding:0;margin:12px 0 24px;list-style:none}
.feature-list li{margin:7px 0;font-size:14px}
.feature-list li:before{content:'✓';color:var(--green);font-weight:800;margin-right:8px}

.why{background:#fff}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit-grid article{background:var(--soft);border-radius:20px;padding:28px;border:1px solid var(--line)}
.benefit-grid span{font-size:36px}
.benefit-grid h3{margin:12px 0 8px}
.benefit-grid p{color:var(--muted);font-size:15px;margin:0}

.research{padding-top:30px}
.research-box{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:28px;padding:52px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.research-box h2{font-size:36px;margin:0 0 12px}
.research-box p{color:rgba(255,255,255,.75);max-width:720px}

.cta{background:var(--soft)}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:36px;margin:0 0 8px}
.cta p{color:var(--muted);margin:0}

.site-footer{background:#061529;color:#fff;padding:70px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:35px}
.footer-logo{width:300px;filter:brightness(0) invert(1);opacity:.95}
.footer-grid h3{margin-top:0}
.footer-grid a{display:block;color:rgba(255,255,255,.72);margin:8px 0}
.footer-grid p{color:rgba(255,255,255,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;color:rgba(255,255,255,.58);font-size:14px}

@media(max-width:980px){
  .brand img{width:300px}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;left:20px;right:20px;top:85px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .program-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .container{width:min(100% - 28px,1180px)}
  .header-inner{height:82px}
  .brand img{width:245px}
  .hero{min-height:660px;background-position:62% center}
  .hero-overlay{background:rgba(1,14,28,.74)}
  .hero h1{font-size:42px}
  .hero-text{font-size:17px}
  .unit-grid,.program-grid,.benefit-grid{grid-template-columns:1fr}
  .unit-card{padding:30px}
  .section{padding:72px 0}
  .research-box,.cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
}