:root{
  --green:#0E7A52;
  --green-700:#0B5E40;
  --green-50:#E8F4EE;
  --gold:#F4A300;
  --gold-soft:#FBE6BD;
  --ink:#0C1B2A;
  --muted:#5A6B79;
  --line:#E4EBF0;
  --bg:#FFFFFF;
  --bg-alt:#F5F8FA;
  --radius:16px;
  --shadow:0 10px 30px rgba(12,27,42,.08);
  --shadow-lg:0 20px 50px rgba(12,27,42,.14);
  --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-display:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand-text,.btn,.step-n,.stat strong,.kicker{font-family:var(--font-display)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Scroll progress */
#mb-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--green),var(--gold));z-index:1000;transition:width .1s}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(12,27,42,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{flex:none}
.brand-text{font-size:20px;letter-spacing:.5px;color:var(--ink)}
.brand-text span{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-weight:600;font-size:15px;color:var(--ink);opacity:.85;transition:.2s}
.nav-links a:hover{opacity:1;color:var(--green)}
.nav-cta{background:var(--green);color:#fff!important;padding:9px 18px;border-radius:999px;opacity:1!important}
.nav-cta:hover{background:var(--green-700);transform:translateY(-1px)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang-toggle{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-toggle button{border:0;background:#fff;padding:6px 11px;font-weight:700;font-size:13px;cursor:pointer;color:var(--muted)}
.lang-toggle button.active{background:var(--green);color:#fff}
.menu-btn{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink)}

/* Hero */
.hero{position:relative;padding:150px 0 90px;overflow:hidden;background:linear-gradient(160deg,#06351f 0%,#0B5E40 45%,#0E7A52 100%);color:#fff}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(8px);opacity:.5;animation:float 14s ease-in-out infinite}
.orb-a{width:340px;height:340px;background:radial-gradient(circle,#F4A300,transparent 70%);top:-80px;right:-60px}
.orb-b{width:260px;height:260px;background:radial-gradient(circle,#36C08A,transparent 70%);bottom:-60px;left:-40px;animation-delay:-4s}
.orb-c{width:180px;height:180px;background:radial-gradient(circle,#FFFFFF,transparent 70%);opacity:.18;top:40%;left:55%;animation-delay:-8s}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-26px) translateX(18px)}}
.hero-inner{position:relative;z-index:2;max-width:820px}
.eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:20px}
.hero h1{font-size:clamp(32px,5.2vw,56px);line-height:1.1;font-weight:800;margin-bottom:20px}
.lead{font-size:clamp(16px,2vw,19px);max-width:640px;color:rgba(255,255,255,.9);margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:0;transition:.2s}
.btn-primary{background:var(--gold);color:#1a1205}
.btn-primary:hover{background:#ffb524;transform:translateY(-2px);box-shadow:0 12px 26px rgba(244,163,0,.4)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.hero-badges{list-style:none;display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.92);font-weight:600;font-size:14px}
.hero-badges li{white-space:nowrap}

/* Stats */
.stats{background:var(--green-700);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:38px 22px}
.stat{text-align:center}
.stat strong{display:block;font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--gold)}
.stat span{font-size:14px;opacity:.85}

/* Sections */
.section{padding:90px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:680px;margin:0 auto 50px}
.kicker{display:inline-block;color:var(--green);font-weight:700;letter-spacing:.6px;text-transform:uppercase;font-size:13px;margin-bottom:10px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:17px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--green-50)}
.card-ic{font-size:30px;width:56px;height:56px;display:grid;place-items:center;background:var(--green-50);border-radius:14px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;position:relative;box-shadow:var(--shadow)}
.step-n{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--gold));color:#fff;font-weight:800;display:grid;place-items:center;margin:0 auto 14px;font-size:18px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}

/* Coverage */
.coverage{display:flex;align-items:stretch;justify-content:center;gap:14px;flex-wrap:wrap}
.cov-col{flex:1;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.cov-col h4{color:var(--green);margin-bottom:14px;font-size:16px}
.cov-col ul{list-style:none}
.cov-col li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:15px}
.cov-col li:last-child{border-bottom:0}
.cov-final{background:var(--green);color:#fff;border-color:var(--green)}
.cov-final h4{color:var(--gold)}
.cov-final li{border-color:rgba(255,255,255,.2)}
.cov-arrow{display:grid;place-items:center;font-size:30px;color:var(--green);font-weight:800}

/* Tags */
.tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-weight:600;font-size:15px;transition:.2s}
.tags span:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}

/* About */
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.about-text h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin:10px 0 18px}
.about-text p{color:var(--muted);margin-bottom:14px}
.about-list{list-style:none;margin-top:14px}
.about-list li{padding:8px 0 8px 28px;position:relative;font-weight:600}
.about-list li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}
.about-card{background:linear-gradient(150deg,var(--green),var(--green-700));color:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-lg)}
.about-card h3{font-size:22px;margin-bottom:10px}
.about-card p{opacity:.92;margin-bottom:20px}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:44px}
.contact-intro h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin:10px 0 12px}
.contact-intro p{color:var(--muted);margin-bottom:22px}
.contact-info{list-style:none}
.contact-info li{padding:8px 0;font-weight:600}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field textarea{font-family:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.2s;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px var(--green-50)}
.field textarea{resize:vertical}
.form-status{grid-column:1/-1;font-size:14px;font-weight:600;margin-top:4px}
.form-status.ok{color:var(--green)}
.form-status.error{color:#d23b3b}

/* Footer */
.footer{background:var(--ink);color:#cdd8e0;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.footer-brand .brand-text{color:#fff;font-size:22px}
.footer-brand .brand-text span{color:var(--gold)}
.footer-brand p{margin-top:12px;color:#9fb0bd;max-width:320px;font-size:14px}
.footer h4{color:#fff;margin-bottom:14px;font-size:15px}
.footer a,.footer span{display:block;padding:5px 0;color:#9fb0bd;font-size:14px;transition:.2s}
.footer a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7e8f9c}

/* Back to top */
.to-top{position:fixed;bottom:24px;right:24px;width:46px;height:46px;border-radius:50%;border:0;background:var(--green);color:#fff;font-size:20px;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;z-index:800}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--green-700)}

/* Responsive */
@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .about,.contact{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px}
}
@media(max-width:640px){
  .nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 0;box-shadow:var(--shadow);transform:translateY(-130%);transition:.3s;border-bottom:1px solid var(--line)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 22px;width:100%}
  .nav-cta{margin:8px 22px;display:inline-block;text-align:center}
  .menu-btn{display:block}
  .cards,.steps{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}
  .coverage{flex-direction:column}
  .cov-arrow{transform:rotate(90deg)}
  .stats-grid{grid-template-columns:1fr 1fr}
}

/* ===== China & Malawi flags ===== */
.flag{width:22px;height:15px;border-radius:3px;vertical-align:middle;margin-right:9px;flex:none;box-shadow:0 1px 4px rgba(12,27,42,.18);display:inline-block}
.cov-col li .flag{margin-right:9px}
.flag-lg{width:34px;height:23px;margin-right:0;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.28)}

/* Logo polish */
.brand-mark{filter:drop-shadow(0 2px 4px rgba(0,0,0,.18));transition:transform .3s}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04)}
.brand-text{letter-spacing:.6px}

/* Hero red (China) orb */
.orb-d{width:220px;height:220px;background:radial-gradient(circle,#DE2910,transparent 70%);opacity:.32;top:26%;right:16%;animation-delay:-6s}

/* Hero nations bar — China → Malawi */
.nations{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin:34px auto 4px;padding:13px 22px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:999px;backdrop-filter:blur(6px);width:fit-content;max-width:100%}
.nation{display:flex;align-items:center;gap:11px}
.nation-name{font-weight:700;font-size:15px;color:#fff;line-height:1.1}
.nation-name em{display:block;font-style:normal;font-weight:600;font-size:12px;opacity:.82}
.route{display:flex;flex-direction:column;align-items:center;gap:1px}
.route-svg{width:118px;height:22px;overflow:visible}
.route-line{fill:none;stroke:var(--gold);stroke-width:2.2;stroke-dasharray:5 5;animation:mb-dash 1.1s linear infinite}
.route-arrow{fill:var(--gold);filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}
.route-label{font-size:11px;color:rgba(255,255,255,.82);font-weight:600;letter-spacing:.3px;white-space:nowrap}
@keyframes mb-dash{to{stroke-dashoffset:-20}}

/* Footer flags */
.footer-flags{display:flex;align-items:center;gap:8px;margin-top:14px}
.footer-flags .flag{margin-right:0;box-shadow:none;width:24px;height:16px}
.footer-flags span{color:#9fb0bd;font-size:13px;font-weight:600}