:root{--green:#2ecc71;--green-700:#1f9a54;--text:#1f2937;--muted:#6b7280;--bg:#ffffff;--bg-soft:#f6f9fb;--card:#ffffff;--line:#e5e7eb}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

.topbar{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:44px;gap:12px}
.topbar .left,.topbar .right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

.header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:40}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#a7f3d0,var(--green));display:grid;place-items:center;color:#0b3d2b;font-weight:900}
.logo-text{font-weight:800;font-size:20px}
.nav{display:flex;align-items:center;gap:20px}
.nav a{color:#374151;font-weight:500}
.nav a:hover{color:#000}
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:700;border-radius:12px;padding:10px 16px}
.btn:hover{background:var(--green-700)}
.badge{display:inline-block;background:#effaf4;color:var(--green-700);border:1px solid #c9f0db;border-radius:999px;font-size:12px;padding:6px 10px}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:10px}

.hero{position:relative;min-height:520px;display:grid;place-items:center;background:var(--bg-soft)}
.hero .inner{position:relative;color:var(--text);text-align:left;width:100%}
.hero h1{font-size:46px;line-height:1.1;margin:10px 0 14px;color:var(--text)}
.kicker{display:inline-block;background:#0ea5a5;color:#e6fffb;padding:6px 12px;border-radius:999px;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.hero .lead{font-size:18px;color:var(--muted);max-width:760px}
.hero .actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}

.features-strip{transform:translateY(-48px)}
.features-strip .row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;align-items:center;gap:12px;box-shadow:0 6px 14px rgba(0,0,0,.05)}
.icon{width:36px;height:36px;border-radius:10px;background:#effaf4;display:grid;place-items:center;color:var(--green)}

.section{padding:64px 0}
.grid{display:grid;gap:24px}
.two-col{grid-template-columns:1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.lead{color:#374151}

.story{align-items:start}
.story .image{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.exp-badge{position:absolute;left:-10px;bottom:-10px;background:#fff;border:1px solid var(--line);border-left:6px solid var(--green);border-radius:12px;padding:14px 16px;box-shadow:0 6px 18px rgba(0,0,0,.1)}
.exp-badge .num{font-size:28px;font-weight:900;color:var(--green-700)}
.exp-badge .txt{font-size:12px;color:#374151}

.why .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:18px}
.why .cards .card h3{margin:10px 0 8px}
.card p{color:#6b7280}

.footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:26px 0;color:#6b7280;font-size:14px}

/* Responsive */
@media (max-width: 980px){
  .nav{display:none}
  .menu-btn{display:inline-block}
  .features-strip .row{grid-template-columns:1fr}
  .why .cards{grid-template-columns:1fr 1fr}
}
@media (min-width: 981px){
  .two-col{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hero h1{font-size:34px}
  .why .cards{grid-template-columns:1fr}
}