:root{
  --bg:#F6F7FB;
  --panel:#fff;
  --text:#0B0B0F;
  --muted:rgba(11,11,15,.65);
  --line:rgba(11,11,15,.12);
  --shadow:0 18px 50px rgba(11,11,15,.12);
  --radius:18px;
  --max:1120px;

  --accent:#18B26A;
  --dark:#0B0B0F;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", sans-serif;
  color:var(--text);
  background:var(--bg);
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

.topbar{
  position:sticky; top:0; z-index:20;
  background:rgba(246,247,251,.78);
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(10px);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:900}
.brand__mark{
  width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--dark);color:#fff;
}
.nav{display:flex;gap:14px}
.nav a{padding:8px 10px;border-radius:10px;color:var(--muted)}
.nav a:hover{background:rgba(0,0,0,.05);color:var(--text)}

.btn{
  border:0; cursor:pointer;
  padding:10px 14px;border-radius:14px;
  background:var(--accent);color:#fff;font-weight:800;
}
.btn--ghost{
  background:transparent;color:var(--text);
  border:1px solid var(--line);
}
.btn:hover{filter:brightness(.97)}
.btn--ghost:hover{background:rgba(0,0,0,.04)}

.hero{padding:34px 0 18px}
.hero__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:stretch}
.hero h1{margin:0 0 12px;font-size:44px;line-height:1.05;letter-spacing:-.6px}
.accent{color:var(--accent)}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.note{
  margin-top:14px;padding:12px 14px;border-radius:18px;
  border:1px solid var(--line); background:rgba(255,255,255,.65);
}
.section{padding:32px 0}
.section--alt{background:rgba(255,255,255,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{margin-bottom:16px}
.section__head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.section h2{margin:0 0 6px;font-size:26px}
.filters{display:flex;gap:10px;flex-wrap:wrap}

.input{
  width:100%; min-width:220px;
  padding:10px 12px;border-radius:14px;
  border:1px solid var(--line); background:var(--panel);
  outline:none;
}
.input:focus{border-color:rgba(24,178,106,.55);box-shadow:0 0 0 3px rgba(24,178,106,.14)}

.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:22px;padding:14px;
}
.card.big{box-shadow:var(--shadow)}
.step{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(0,0,0,.06);font-weight:900;
}
.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.notice{
  margin-top:14px;padding:12px 14px;border-radius:18px;
  background:rgba(24,178,106,.10);
  border:1px solid rgba(24,178,106,.22);
}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.product{
  background:var(--panel);border:1px solid var(--line);
  border-radius:22px;padding:14px;
  box-shadow:0 10px 26px rgba(11,11,15,.06);
  display:flex;flex-direction:column;gap:10px;
}
.product__top{display:flex;justify-content:space-between;gap:10px}
.product__title{font-weight:900;line-height:1.2}
.badge{
  padding:6px 10px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;font-weight:900;color:var(--muted);white-space:nowrap;
}
.price{font-weight:900}
.actions{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}

.form{
  background:var(--panel);border:1px solid var(--line);
  border-radius:24px;padding:14px;box-shadow:0 18px 50px rgba(11,11,15,.06);
}
.form label{display:block;font-weight:900;font-size:13px;margin:8px 0 6px}
.form__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.span2{grid-column:1/-1}
textarea.input{resize:vertical}
.form__actions{display:flex;gap:10px;justify-content:flex-end;margin-top:10px;flex-wrap:wrap}

.empty{padding:14px;border-radius:18px;border:1px dashed var(--line);background:rgba(255,255,255,.6)}
.hidden{display:none !important}

.footer{padding:22px 0;border-top:1px solid var(--line)}
.footer__inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:18px}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal__panel{
  position:relative;
  width:min(820px, 100%);
  background:var(--panel);
  border-radius:24px;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:14px;
}
.modal__head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.iconbtn{
  width:38px;height:38px;border-radius:14px;
  border:1px solid var(--line);background:transparent;cursor:pointer;
}
.modal__body{padding:10px 0;display:grid;gap:10px}
.offerCard{
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px;
  background:rgba(255,255,255,.7);
}
.modal__footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .form__grid{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .grid4{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .nav{display:none}
}
.previewBox{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.7);
  padding:10px;
  min-height:120px;
  display:grid;
  place-items:center;
  overflow:hidden;
}
.previewBox img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:12px;
}