:root{
  --brand:#22c55e; /* hijau */
  --brand2:#14b8a6; /* teal */
  --ink:#0f172a; --muted:#64748b; --bg:#f8fafc; --card:#ffffff;
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 'Inter',system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink)}
.wrap{max-width:1000px;margin:auto;padding:24px}

.hero{display:grid;gap:14px;padding:32px 20px;text-align:center;background:linear-gradient(180deg,#ecfeff,#f0fdf4)}
.hero h1{margin:0;font-size:clamp(24px,4.2vw,42px)}
.hero p{margin:0 auto;max-width:800px;color:var(--muted)}
.badge{display:inline-block;background:#dcfce7;color:#166534;border:1px solid #86efac;padding:4px 10px;border-radius:999px;font-size:12px}

.cards{display:grid;grid-template-columns:1fr;gap:16px;margin:28px 0}
@media (min-width:820px){.cards{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid #e2e8f0;border-radius:16px;padding:20px;box-shadow:0 6px 20px rgba(2,8,23,.04)}
.price{font-size:32px;font-weight:700;margin:6px 0}
.muted{color:var(--muted)}
ul.clean{padding-left:18px;margin:10px 0}
.footnote{font-size:12px;color:var(--muted)}
.footnote.extra{margin-top:10px}

.form{background:var(--card);border:1px solid #e2e8f0;border-radius:16px;padding:20px;margin:22px 0;box-shadow:0 6px 20px rgba(2,8,23,.04)}
.grid{display:grid;gap:12px}
.grid.two{grid-template-columns:1fr}
@media(min-width:760px){.grid.two{grid-template-columns:1fr 1fr}}
label{font-weight:600;font-size:14px}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;outline:none
}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,197,94,.2)}
.hint{font-size:12px;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.agree-text{font-weight:400}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;border:0;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer
}
.btn.secondary{background:#0ea5e9}
.btn:disabled{opacity:.6;cursor:not-allowed}
.lock{font-size:12px;opacity:.8}

.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:18px;background:#0f172a;color:#fff;
  padding:10px 14px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.2);display:none
}