*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#fff;color:#000}
a{color:#000;text-decoration:none}
img{max-width:100%;height:auto;display:block}
/* Topbar */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:#fff;border-bottom:1px solid #e6e6e6}
.brand{display:flex;align-items:center;gap:10px;color:#000;font-weight:800;letter-spacing:.2px}
.brand__logo{width:26px;height:26px}
.nav{display:flex;gap:12px;align-items:center}
/* Buttons */
.btn{display:inline-block;background:#fff;border:1px solid #d9d9d9;border-radius:12px;padding:12px 16px;font-weight:700;color:#000;box-shadow:0 2px 0 rgba(0,0,0,.08);transform:translateY(0);transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease}
.btn:hover,.btn:focus{transform:translateY(-2px);box-shadow:0 6px 12px rgba(0,0,0,.10)}
.btn:active,.btn.is-pressed{transform:translateY(-4px);box-shadow:0 10px 18px rgba(0,0,0,.14);border-color:#000}
.btn--wide{padding:14px 22px;border-radius:14px}
/* Sections */
.section{max-width:1120px;margin:0 auto;padding:64px 24px}
h1{font-size:44px;line-height:1.1;margin:0 0 10px;font-weight:900;letter-spacing:-.2px}
h2{font-size:28px;margin:0 0 18px}
h3{margin:0 0 8px}
.muted{color:#505050}
.small{font-size:13px}
/* Hero */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;max-width:1120px;margin:0 auto;padding:84px 24px;align-items:center}
.hero__copy p{color:#222;margin:10px 0 0;font-size:18px}
.mock-window{border:1px solid #e6e6e6;border-radius:16px;overflow:hidden;background:#fff}
.win-head{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid #e6e6e6}
.win-head span{width:10px;height:10px;border-radius:50%;background:#000;opacity:.18}
.win-body{padding:16px;display:flex;flex-direction:column;gap:12px}
.hit{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;border:1px solid #eee;border-radius:12px;padding:12px;background:#fff}
.pill{font-weight:800;border:1px solid #d9d9d9;border-radius:999px;padding:4px 10px}
/* Cards + grid */
.grid{display:grid;gap:16px}
.features{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid #e6e6e6;border-radius:16px;padding:18px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.card h3{font-weight:800}
/* Pricing */
.pricing{grid-template-columns:repeat(3,1fr)}
.price{transition:transform .14s ease, box-shadow .14s ease, border-color .14s ease; will-change:transform, box-shadow; border:1px solid #e6e6e6; cursor:pointer;border-radius:16px;padding:20px}
.price:hover,.price:focus-within{transform:translateY(-4px) scale(1.02); box-shadow:0 14px 24px rgba(0,0,0,.12); border-color:transparent}
.price:active,.price.is-active{transform:translateY(-6px) scale(1.03); box-shadow:0 18px 28px rgba(0,0,0,.16); border-color:transparent}
.price__value{font-size:34px;font-weight:900;margin:6px 0 10px}
.price ul{margin:0;padding:0 0 0 18px}
/* Settings */
.settings{display:grid;grid-template-columns:1fr;gap:18px;margin-top:12px}
.settings.card{border:1px solid #e6e6e6;border-radius:16px;padding:22px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.field{display:flex;flex-direction:column;gap:6px}
.field input{padding:14px;border-radius:12px;border:1px solid #d9d9d9;background:#fff;font-size:15px;color:#000}
.helper{font-size:12px;color:#686868}
.group{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.divider{height:1px;background:#eee;margin:8px 0}
.switch{display:flex;align-items:center;gap:10px;margin-top:4px}
.switch input{width:18px;height:18px}
.actions{display:flex;gap:10px;margin-top:6px}
/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;padding:20px}
.modal.hidden{display:none}
.modal__panel{background:#fff;border:1px solid #e6e6e6;border-radius:16px;padding:22px;max-width:420px;width:100%;box-shadow:0 20px 40px rgba(0,0,0,.18)}
.modal__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.modal__close{background:#fff;border:1px solid #d9d9d9;border-radius:10px;padding:6px 10px}
.authform{display:grid;gap:12px}
/* Plan page */
.plan{max-width:980px;margin:0 auto;padding:72px 24px}
.plan-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;border-bottom:1px solid #eee;padding-bottom:14px}
.plan-title{font-size:40px;font-weight:900;margin:0}
.price-pill{display:inline-block;border:1px solid #d9d9d9;border-radius:999px;padding:8px 14px;font-weight:800}
.plan-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.box{border:1px solid #e6e6e6;border-radius:16px;padding:18px;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.checklist{list-style:none;margin:0;padding:0}
.checklist li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed #eee}
.checklist li:last-child{border-bottom:0}
.check{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1px solid #000;font-size:14px;font-weight:800}
.faq .q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:10px 0;border-bottom:1px dashed #eee}
.faq .a{display:none;padding:6px 0 12px;color:#444}
.faq .item.open .a{display:block}
/* Footer */
.footer{display:flex;justify-content:space-between;align-items:center;padding:24px;border-top:1px solid #e6e6e6;color:#000}
/* Responsive */
@media (max-width: 1020px){
  .features{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr}
  .hero{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .group{grid-template-columns:1fr}
}