:root{
  --bg:#ffffff; --text:#0f172a; --muted:#475569; --card:#ffffff; --line:#e2e8f0;
  --brand:#2563eb; --brand2:#1d4ed8; --accent:#16a34a; --shadow:0 10px 30px rgba(2,6,23,.08)
}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
a{color:var(--brand);text-decoration:none}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:32px}
.menu{display:flex;gap:14px;align-items:center}
.menu a{color:var(--muted)}
.burger{display:none;background:none;border:0;font-size:28px}
.btn{background:var(--brand);color:#fff;padding:10px 16px;border-radius:12px;border:0;font-weight:700;box-shadow:var(--shadow);transition:transform .15s ease, box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 16px 36px rgba(2,6,23,.12);background:var(--brand2)}
.btn--ghost{background:#fff;color:var(--brand);border:1px solid var(--line);box-shadow:none}
.btn--light{background:#fff;color:var(--brand);border:1px solid var(--line)}
.btn--xl{padding:14px 20px;font-size:18px}
.hero{padding:72px 0;background:linear-gradient(180deg,#f8fbff 0,#fff 100%)}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center}
.hero h1{font-size:40px;line-height:1.15;margin:0 0 8px}
.hero .sub{color:var(--muted);font-size:18px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.badges span{background:#fff;border:1px solid var(--line);padding:6px 10px;border-radius:999px;color:#0f172a}
.hero__art img{width:100%;height:auto;display:block;filter:drop-shadow(0 10px 30px rgba(2,6,23,.15));border-radius:20px}
.section{padding:64px 0;border-top:1px solid var(--line)}
.section__header{text-align:center;max-width:780px;margin:0 auto 26px}
h2{font-size:30px;margin:0 0 8px}
.section__header p{color:var(--muted)}
.cards{display:grid;gap:16px}
.cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(2,6,23,.12)}
.card i{font-size:24px;color:var(--brand);display:block;margin-bottom:8px}
.list{display:grid;gap:14px;max-width:900px}
.list--checks .item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
.list--checks i{font-size:22px;color:var(--brand);margin-top:2px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.step span{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:6px}
.tier .price{font-size:28px;font-weight:800;color:var(--accent);margin:6px 0 10px}
.tier ul{color:#0f172a;margin:8px 0 0 18px}
.tier .tag{position:absolute;top:12px;right:12px;background:linear-gradient(90deg,#22c55e,#16a34a);color:#fff;border-radius:999px;font-size:12px;padding:4px 8px;font-weight:800}
.tier{position:relative}
.tier--featured{border:2px solid #bbf7d0}
.quote p{font-size:16px;margin:0 0 8px}
.quote__meta{color:var(--muted);font-size:14px}
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
form input, form textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px}
form button{margin-top:10px}
.contact__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.contact__side .side__item{margin:8px 0}
.contact .note{color:var(--muted);font-size:14px}
.foot{border-top:1px solid var(--line);padding:18px 0;background:#fff}
.foot__grid{display:flex;align-items:center;justify-content:space-between}
.foot__nav a{color:var(--muted);margin-left:12px}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
.reveal.revealed{opacity:1;transform:translateY(0)}
@media (max-width:1000px){
  .hero__grid{grid-template-columns:1fr}
  .cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact__grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .menu{display:none}
  .burger{display:block}
  .cards--3, .cards--4{grid-template-columns:1fr}
  .contact .grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
}