*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;color:#17211c;background:#fff}
a{color:inherit}
.container,.topbar,.hero-inner{width:min(1120px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid #dfe7e2;backdrop-filter:blur(10px)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:13px 0}
.brand img{display:block;width:178px;height:auto}
nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
nav a{padding:8px 11px;border-radius:8px;color:#34463c;text-decoration:none;font-weight:600}
nav a:hover,nav a:focus{background:#edf6f1;color:#095d35}
.hero{position:relative;overflow:hidden;padding:92px 0 96px;background:linear-gradient(135deg,#064126 0%,#095d35 58%,#087c48 100%);color:#fff}
.hero::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-210px;border:80px solid rgba(0,187,223,.12);border-radius:50%}
.hero-inner{position:relative;z-index:1}
.eyebrow,.section-label{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:800}
.eyebrow{margin:0 0 16px;color:#9be5f2}
h1{max-width:820px;margin:0;font-size:clamp(42px,6vw,72px);line-height:1.04;letter-spacing:-.035em}
.hero-copy{max-width:720px;margin:24px 0 0;font-size:21px;color:#e2f0e8}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:28px}
.btn{display:inline-block;padding:11px 18px;border:1px solid transparent;border-radius:9px;font-weight:750;text-decoration:none}
.btn-primary{background:#00bbdf;color:#082a1b}
.btn-primary:hover,.btn-primary:focus{background:#72cee1}
.btn-secondary{border-color:#9fc5b0;color:#fff;background:transparent}
.btn-secondary:hover,.btn-secondary:focus{background:rgba(255,255,255,.09)}
.section{padding:76px 0}
.section-tint{background:#f3f8f5;border-block:1px solid #dfe9e3}
.section-intro{max-width:820px}
.section-intro.narrow{max-width:700px}
.section-label{margin:0 0 8px;color:#087c48}
h2{margin:0 0 14px;font-size:clamp(30px,4vw,44px);line-height:1.12;letter-spacing:-.025em;color:#123c27}
h3{margin:0 0 8px;font-size:19px;line-height:1.25;color:#123c27}
.section-intro p:not(.section-label),.bcsi-grid p,.about-grid p{font-size:18px;color:#3f4f46}
.overview-figure{width:min(780px,calc(100% - 40px));margin:42px 0 0 20px;padding:24px;border:1px solid #cfe0d6;border-radius:14px;background:#fff}
.overview-figure img{display:block;width:100%;height:auto}
.outcome-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.outcome-grid article{padding:22px;border-top:3px solid #087c48;background:#fff;box-shadow:0 8px 22px rgba(9,93,53,.07)}
.outcome-grid p{margin:0;color:#536159}
.principles{list-style:none;margin:38px 0 0;padding:0;border-top:1px solid #dfe7e2}
.principles li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid #dfe7e2}
.principles li>span{color:#00a8c8;font-weight:800;font-size:18px}
.principles strong{display:block;font-size:20px;color:#123c27}
.principles p{margin:3px 0 0;color:#536159}
.key-line{margin:30px 0 0;font-size:22px;font-weight:800;color:#095d35}
.bcsi-section{background:#0d2f20;color:#fff}
.bcsi-grid,.about-grid{display:grid;grid-template-columns:minmax(260px,.75fr) minmax(320px,1.25fr);gap:72px;align-items:start}
.bcsi-section h2{color:#fff}
.bcsi-section .section-label{color:#72cee1}
.bcsi-grid p{margin-top:0;color:#d8e8df}
.text-link{font-weight:750;color:#72cee1;text-decoration:none}
.text-link:hover,.text-link:focus{text-decoration:underline}
.about-grid p:first-child{margin-top:0}
.site-footer{padding:30px 0;background:#f3f8f5;border-top:1px solid #dfe7e2}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.footer-inner img{width:142px;height:auto}
.footer-inner p{margin:0;text-align:right;font-size:14px;color:#5a685f}
.footer-inner a{color:#095d35;font-weight:700}
@media (max-width:900px){
  .outcome-grid{grid-template-columns:repeat(2,1fr)}
  .bcsi-grid,.about-grid{grid-template-columns:1fr;gap:10px}
}
@media (max-width:680px){
  .container,.topbar,.hero-inner{width:min(100% - 28px,1120px)}
  .topbar{align-items:flex-start;flex-direction:column;gap:8px}
  .brand img{width:150px}
  nav{gap:2px}
  nav a{padding:6px 8px;font-size:14px}
  .hero{padding:68px 0 72px}
  .hero-copy{font-size:18px}
  .section{padding:56px 0}
  .overview-figure{width:100%;margin-left:0;padding:12px}
  .outcome-grid{grid-template-columns:1fr}
  .principles li{grid-template-columns:44px 1fr;gap:10px}
  .footer-inner{align-items:flex-start;flex-direction:column}
  .footer-inner p{text-align:left}
}