/* Trade Alliance — one column, left aligned. See DESIGN.md. */
:root{
  --blue:#046bd2; --blue-dark:#045cb4; --ink:#111111; --slate:#334155;
  --muted:#475569; --faint:#9ca3af; --line:#d9e0e8; --alt:#f0f5fa;
  --shell:#fbfbfb; --navy:#0f2942; --white:#ffffff;
  --wrap:1180px; --prose:74ch;
}
*{box-sizing:border-box}
body{margin:0;background:var(--white);color:var(--slate);
  font:400 16.5px/1.75 "Inter","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* top bar */
.topbar{background:var(--navy);color:#cfe0f0;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;min-height:46px}
.topbar a{color:#cfe0f0}
.topbar span{display:inline-flex;align-items:center;gap:8px}

/* header */
.site-head{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:20px}
.logo img{height:56px;width:auto}
.nav{display:flex;gap:30px}
.nav a{color:var(--ink);font-size:14.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--blue);text-decoration:none}
.nav a[aria-current="page"]{color:var(--blue);border-bottom-color:var(--blue)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* hero */
.hero{background:var(--alt);border-bottom:1px solid var(--line);padding:64px 0}
.hero h1{margin:0 0 14px;color:var(--ink);font-size:clamp(27px,3.4vw,40px);line-height:1.2;font-weight:700;max-width:22ch}
.hero p{margin:0;max-width:var(--prose);font-size:17px;color:var(--muted)}
.hero .rule{width:56px;height:4px;background:var(--blue);border-radius:2px;margin:0 0 20px}

/* sections */
main section{padding:62px 0;border-bottom:1px solid var(--line)}
main section:nth-child(even){background:var(--shell)}
main section:last-child{border-bottom:0}
h2{margin:0 0 8px;color:var(--ink);font-size:clamp(23px,2.5vw,30px);line-height:1.25;font-weight:700;max-width:26ch}
h3{margin:30px 0 8px;color:var(--ink);font-size:20px;font-weight:650}
h4{margin:22px 0 6px;color:var(--ink);font-size:17.5px;font-weight:650}
p{margin:0 0 16px;max-width:var(--prose)}
h2+.rule{width:52px;height:4px;background:var(--blue);border-radius:2px;margin:0 0 20px}
ul.pts{list-style:none;margin:6px 0 18px;padding:0;max-width:var(--prose)}
ul.pts li{position:relative;padding:0 0 0 26px;margin:0 0 10px}
ul.pts li:before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;
  border-radius:50%;background:var(--blue)}
figure{margin:24px 0 0;max-width:820px}
figure img{border:1px solid var(--line);border-radius:12px}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin:26px 0 0}
.card{border:1px solid var(--line);border-radius:12px;background:var(--white);padding:26px;transition:.18s}
.card:hover{box-shadow:0 8px 26px rgba(4,107,210,.10);transform:translateY(-2px)}
.card h3{margin:0 0 8px;font-size:19px}
.card p{margin:0;font-size:15px;color:var(--muted)}

/* contact list */
.contact{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px;max-width:640px}
.contact li{display:flex;gap:13px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);
  border-radius:11px;background:var(--white)}
.contact .lbl{display:block;font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--faint);margin-bottom:2px}
.contact svg{flex:0 0 20px;margin-top:3px;stroke:var(--blue)}

/* CTA */
.cta{background:var(--navy);color:#e8f1fa;border-bottom:0;padding:76px 0}
.cta h2{color:var(--white)}
.cta p{color:#bcd2e8}
.btn{display:inline-block;margin-top:8px;background:var(--blue);color:var(--white);font-weight:600;
  padding:13px 26px;border-radius:9px;font-size:15.5px}
.btn:hover{background:var(--blue-dark);text-decoration:none}

/* footer */
.site-foot{background:#0b2036;color:#9fb6cd;font-size:14.5px;padding:44px 0 26px}
.site-foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}
.site-foot h4{color:var(--white);font-size:15px;margin:0 0 12px;letter-spacing:.03em}
.site-foot a{color:#9fb6cd}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:0 0 9px}
.site-foot .bottom{border-top:1px solid #16324d;margin-top:30px;padding-top:18px;font-size:13.5px;color:#7d95ad}

@media(max-width:860px){
  .nav{display:none;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;
    background:var(--white);border-bottom:1px solid var(--line);padding:8px 22px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .site-head .wrap{position:relative}
  .site-foot .cols{grid-template-columns:1fr;gap:26px}
}
@media(max-width:640px){
  body{font-size:16px}
  .hero{padding:44px 0}
  main section{padding:44px 0}
  .cta{padding:52px 0}
}