:root{
  --bg:#fbfbf8;
  --surface:#ffffff;
  --soft:#f1f4ec;
  --text:#10150f;
  --muted:#687067;
  --line:#e3e7df;
  --brand:#79e35b;
  --brand-deep:#2f7d32;
  --dark:#111a12;
  --shadow:0 20px 60px rgba(20,35,18,.08);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans Sinhala",system-ui,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,251,248,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(227,231,223,.7)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.4px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--brand);color:#12230f;font-weight:900}
.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}
.nav a:not(.btn){color:#313a30}
.nav a:hover{color:#000}
.nav-ghost{padding:10px 4px}
.menu-btn{display:none;border:0;background:transparent;font-size:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 22px;background:var(--dark);color:#fff;font-weight:700;font-size:14px;transition:.2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(17,26,18,.16)}
.btn-sm{padding:11px 18px!important}
.btn-outline{background:transparent;color:var(--dark);border:1px solid #cdd3c8}
.btn-light{background:#fff;color:var(--dark)}
.hero{position:relative;overflow:hidden;padding:88px 0 80px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.hero-copy{position:relative;z-index:2}
.eyebrow,.section-kicker{display:inline-block;color:var(--brand-deep);font-weight:800;font-size:12px;letter-spacing:1.4px;margin-bottom:15px}
.hero h1{font-size:clamp(48px,6vw,78px);line-height:.98;letter-spacing:-4px;margin:0 0 24px;max-width:760px}
.hero h1 span{color:var(--brand-deep)}
.hero-text{max-width:660px;font-size:18px;color:var(--muted);margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust-row{display:flex;gap:36px;margin-top:46px}
.trust-row div{display:flex;flex-direction:column}
.trust-row strong{font-size:19px}
.trust-row span{font-size:12px;color:var(--muted);margin-top:2px}
.hero-card{position:relative;z-index:2;background:var(--surface);border:1px solid var(--line);border-radius:32px;padding:14px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
.course-visual{min-height:410px;padding:34px;border-radius:23px;background:linear-gradient(145deg,#182317,#2f5831 60%,#81e963);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
.course-visual:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.19);border-radius:50%;top:-35px;right:-30px}
.course-visual:after{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(255,255,255,.15);border-radius:50%;top:12px;right:20px}
.visual-badge{position:absolute;left:26px;top:26px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:8px 12px;font-size:12px}
.visual-icon{position:absolute;right:32px;top:114px;font-size:70px;font-weight:200;color:rgba(255,255,255,.86);transform:rotate(20deg)}
.course-visual h3{font-size:38px;line-height:1.03;letter-spacing:-1.8px;margin:0 0 10px;position:relative;z-index:2}
.course-visual p{margin:0;color:rgba(255,255,255,.72);font-size:13px}
.floating-chip{position:absolute;background:#fff;color:#1d281c;padding:9px 13px;border-radius:999px;font-size:11px;font-weight:700;box-shadow:0 12px 35px rgba(0,0,0,.14)}
.chip-a{right:20px;bottom:116px;transform:rotate(-6deg)}
.chip-b{left:22px;top:105px;transform:rotate(5deg)}
.hero-card-bottom{display:flex;justify-content:space-between;align-items:center;padding:17px 8px 4px 12px}
.hero-card-bottom div{display:flex;flex-direction:column}
.hero-card-bottom small{color:var(--muted);font-size:11px}
.hero-card-bottom strong{font-size:14px;margin-top:2px}
.circle-btn{width:44px;height:44px;display:grid;place-items:center;background:var(--brand);border-radius:50%;font-size:20px}
.hero-orb{position:absolute;border-radius:50%;filter:blur(4px);opacity:.5}
.orb-1{width:380px;height:380px;background:#dfffd4;right:-100px;top:80px}
.orb-2{width:300px;height:300px;background:#f0ffd3;left:-170px;bottom:-100px}
.logo-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.strip-content{height:76px;display:flex;align-items:center;justify-content:center;gap:32px;text-transform:uppercase;font-weight:700;font-size:12px;letter-spacing:1.4px;color:#475046}
.strip-content i{color:#9aa39a}
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:42px}
.section-head h2,.faq-wrap h2,.cta-box h2{font-size:clamp(34px,4vw,52px);line-height:1.05;letter-spacing:-2.1px;margin:0}
.section-head>p{max-width:430px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:240px}
.icon-box{width:48px;height:48px;border-radius:14px;background:#e7fddd;color:#285b27;display:grid;place-items:center;font-weight:800;margin-bottom:34px}
.feature-card h3{font-size:18px;margin:0 0 9px}
.feature-card p{font-size:14px;color:var(--muted);margin:0}
.text-link{font-weight:700;font-size:14px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.course-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;transition:.2s ease}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.course-cover{height:240px;padding:24px;color:#fff;display:flex;flex-direction:column;justify-content:space-between}
.course-cover span{font-size:10px;font-weight:800;letter-spacing:1.5px}
.course-cover strong{font-size:29px;line-height:1.02;letter-spacing:-1px}
.cover-1{background:linear-gradient(145deg,#153f23,#64cb56)}
.cover-2{background:linear-gradient(145deg,#26212c,#786483)}
.cover-3{background:linear-gradient(145deg,#4f3f1e,#d3a94c)}
.course-body{padding:21px}
.course-meta{display:flex;gap:8px;margin-bottom:12px}
.course-meta span{background:#f3f5f1;border-radius:999px;padding:5px 9px;font-size:10px;color:#5d655c}
.course-body h3{font-size:17px;line-height:1.35;margin:0 0 6px}
.course-body>p{font-size:12px;color:var(--muted);margin:0 0 20px}
.course-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:15px;font-size:12px}
.course-footer a{font-weight:700}
.instructor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.instructor-card{text-align:center;border:1px solid var(--line);background:#fff;border-radius:22px;padding:26px 20px}
.avatar{height:190px;border-radius:18px;display:grid;place-items:center;font-size:40px;font-weight:800;margin-bottom:20px}
.avatar-a{background:#dff7d5}.avatar-b{background:#eee5f5}.avatar-c{background:#f8e9cf}.avatar-d{background:#dfeef7}
.instructor-card h3{margin:0 0 3px;font-size:17px}
.instructor-card p{margin:0;color:var(--muted);font-size:12px}
.cta-section{padding:24px 0 80px}
.cta-box{background:linear-gradient(120deg,#162315,#2d6d31);color:#fff;border-radius:32px;padding:56px 60px;display:flex;justify-content:space-between;align-items:center;gap:50px}
.cta-box h2{max-width:700px;margin-bottom:16px}
.cta-box p{margin:0;color:rgba(255,255,255,.7);max-width:650px}
.light{color:#a7f493}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}
.faq-intro{color:var(--muted);max-width:390px}
.faq-list details{border-top:1px solid var(--line);padding:22px 2px}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}
.faq-list summary:after{content:"+";font-size:20px;font-weight:400}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{color:var(--muted);font-size:14px;max-width:760px}
.footer{background:#101710;color:#fff;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px}
.brand-light{margin-bottom:18px}
.footer p{color:#aeb5ad;max-width:420px;font-size:13px}
.footer h4{margin:5px 0 16px;font-size:13px}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:10px}
.footer-grid a:not(.brand){font-size:12px;color:#b9c0b8}
.copyright{border-top:1px solid #283028;margin-top:45px;padding-top:22px;color:#7d877c;font-size:11px}

@media (max-width: 900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:78px;left:20px;right:20px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero h1{letter-spacing:-3px}
  .feature-grid,.instructor-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:1fr}
  .course-cover{height:300px}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 600px){
  .container{width:min(100% - 26px,1160px)}
  .hero{padding:58px 0}
  .hero h1{font-size:48px}
  .hero-text{font-size:16px}
  .trust-row{gap:18px;justify-content:space-between}
  .trust-row strong{font-size:16px}
  .trust-row span{font-size:10px}
  .course-visual{min-height:340px}
  .course-visual h3{font-size:31px}
  .section{padding:70px 0}
  .section-head{display:block}
  .section-head>p,.section-head>.text-link{display:block;margin-top:16px}
  .feature-grid,.instructor-grid{grid-template-columns:1fr}
  .cta-box{padding:38px 26px;display:block}
  .cta-box .btn{margin-top:26px}
  .footer-grid{grid-template-columns:1fr}
  .strip-content{gap:12px;font-size:9px}
}