:root{
  --bg:#07090b;
  --bg2:#0d1013;
  --panel:#11151a;
  --panel2:#151a20;
  --text:#f0f2f4;
  --soft:#aab1b9;
  --line:rgba(255,255,255,.11);
  --accent:#c5a15c;
  --accent2:#e4c17c;
  --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,8,10,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--max);height:86px;margin:auto;padding:0 28px;display:grid;grid-template-columns:240px 1fr 220px;align-items:center;gap:28px}
.brand img{width:205px;filter:brightness(1.45) contrast(1.04)}
.nav{display:flex;justify-content:center;gap:28px}
.nav a{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#c7ccd1}
.nav a:hover{color:#fff}
.verify-link{justify-self:end;border:1px solid rgba(197,161,92,.72);padding:13px 17px;text-transform:uppercase;font-size:12px;letter-spacing:.09em;color:var(--accent2)}
.menu-btn{display:none;background:none;border:0;color:white;font-size:28px}

.hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/U_S_%2C_Chilean_medical_teams_training_together_to_improve_combat_casualty_response_%289795021%29.jpg') center 42%/cover no-repeat;filter:grayscale(.15)}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,7,9,.97) 0%,rgba(5,7,9,.86) 38%,rgba(5,7,9,.36) 74%,rgba(5,7,9,.70) 100%),linear-gradient(0deg,rgba(5,7,9,.92),transparent 55%)}
.hero-content{position:relative;z-index:2;max-width:var(--max);width:100%;margin:auto;padding:90px 28px 68px}
.eyebrow,.kicker{display:block;color:var(--accent2);font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.hero h1{max-width:850px;margin:16px 0 20px;font-size:clamp(48px,6.5vw,88px);line-height:.95;letter-spacing:-.05em;text-transform:uppercase}
.hero h1 span{color:var(--accent2);font-weight:700}
.hero p{max-width:700px;font-size:19px;color:#c7cdd3}
.hero-actions{display:flex;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 22px;border-radius:3px;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.08em}
.btn.primary{background:var(--accent);color:#111}
.btn.secondary{border:1px solid rgba(255,255,255,.38)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;max-width:900px;margin-top:62px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-metrics div{padding:18px 24px 18px 0;border-right:1px solid var(--line)}
.hero-metrics div+div{padding-left:24px}
.hero-metrics div:last-child{border-right:0}
.hero-metrics strong{display:block;font-size:18px}
.hero-metrics span{display:block;color:var(--soft);font-size:13px;margin-top:3px}

.section{max-width:var(--max);margin:auto;padding:88px 28px}
.section-head{max-width:820px;margin:0 auto 46px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head h2,.backing-copy h2,.contact h2{font-size:clamp(34px,4vw,54px);line-height:1.06;margin:10px 0 16px;letter-spacing:-.035em}
.section-head p,.backing-copy p,.contact>div:first-child p{color:var(--soft);font-size:17px}
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.principle{padding:30px;border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.principle:last-child{border-right:0}
.principle .icon{font-size:28px;color:var(--accent2)}
.principle h3{font-size:20px;margin:15px 0 10px}
.principle p,.principle li{color:var(--soft);font-size:14px}
.principle ul{padding-left:18px;margin:0}

.courses{max-width:none;background:#f1f2f3;color:#111;padding-left:max(28px,calc((100vw - var(--max))/2 + 28px));padding-right:max(28px,calc((100vw - var(--max))/2 + 28px))}
.courses .section-head p{color:#5d646b}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.course-card{background:white;box-shadow:0 10px 30px rgba(0,0,0,.07);overflow:hidden}
.course-card img{width:100%;height:235px;object-fit:cover;filter:saturate(.82) contrast(1.02)}
.course-card.featured{grid-column:span 2}
.course-card.featured img{height:300px}
.course-body{padding:24px}
.course-tag{font-size:11px;font-weight:800;letter-spacing:.16em;color:#8e6a2f}
.course-body h3{font-size:23px;line-height:1.12;margin:8px 0 10px}
.course-body p{margin:0;color:#61666c;font-size:14px}

.backing{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center}
.backing-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.backing-grid div{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.backing-grid div:nth-child(2n){border-right:0}
.backing-grid div:nth-child(n+3){border-bottom:0}
.backing-grid strong{display:block;font-size:16px}
.backing-grid span{display:block;color:var(--soft);font-size:13px;margin-top:6px}
.backing-note{grid-column:1/-1;color:#7e858d;font-size:12px;margin:0}

.contact{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.contact-grid a{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact-grid a:nth-child(2n){border-right:0}
.contact-grid a:nth-child(n+3){border-bottom:0}
.contact-grid span{display:block;color:var(--accent2);font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px}
.contact-grid strong{font-size:14px;line-height:1.5}

.footer{border-top:1px solid var(--line);max-width:var(--max);margin:auto;padding:42px 28px 26px;display:grid;grid-template-columns:1fr auto;gap:30px}
.footer-brand img{width:180px;filter:brightness(1.45)}
.footer-brand p{color:var(--soft);font-size:13px}
.footer-links{display:flex;gap:22px;align-items:flex-start;font-size:13px;color:#c4c9ce}
.footer-legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#737b84;font-size:11px}

@media(max-width:980px){
  .nav-wrap{grid-template-columns:1fr auto; height:74px}
  .brand img{width:175px}
  .menu-btn{display:block}
  .verify-link{display:none}
  .nav{position:absolute;top:74px;left:0;right:0;background:#090b0e;border-bottom:1px solid var(--line);padding:20px 28px;display:none;flex-direction:column;gap:16px}
  .nav.open{display:flex}
  .hero{min-height:650px}
  .principles-grid{grid-template-columns:1fr 1fr}
  .principle:nth-child(2){border-right:0}
  .principle:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .course-grid{grid-template-columns:1fr 1fr}
  .course-card.featured{grid-column:span 2}
  .backing,.contact{grid-template-columns:1fr}
}
@media(max-width:680px){
  .hero h1{font-size:44px}
  .hero p{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-metrics{grid-template-columns:1fr;margin-top:42px}
  .hero-metrics div,.hero-metrics div+div{padding:14px 0;border-right:0;border-bottom:1px solid var(--line)}
  .hero-metrics div:last-child{border-bottom:0}
  .section{padding-top:66px;padding-bottom:66px}
  .principles-grid,.course-grid,.backing-grid,.contact-grid{grid-template-columns:1fr}
  .principle,.principle:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
  .principle:last-child{border-bottom:0}
  .course-card.featured{grid-column:span 1}
  .course-card img,.course-card.featured img{height:220px}
  .backing-grid div,.backing-grid div:nth-child(2n){border-right:0;border-bottom:1px solid var(--line)}
  .backing-grid div:last-child{border-bottom:0}
  .contact-grid a,.contact-grid a:nth-child(2n){border-right:0;border-bottom:1px solid var(--line)}
  .contact-grid a:last-child{border-bottom:0}
  .footer{grid-template-columns:1fr}
  .footer-links{flex-wrap:wrap}
  .footer-legal{flex-direction:column}
}