:root{
  /* Soft light theme: close to white, not bright */
  --bg:#eef2f7;
  --panel:#f6f8fc;
  --card:#fbfcff;
  --text:rgba(13,22,40,.92);
  --muted:rgba(13,22,40,.68);
  --line:rgba(13,22,40,.12);
  --primary:#2a6bff;
  --accent:#28d6a8;
  --shadow:0 18px 50px rgba(13,22,40,.12);
  --radius:18px;
  --radius-sm:14px;
  --container:1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans","Liberation Sans",sans-serif;
  line-height:1.45;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 20% -10%, rgba(42,107,255,.18), transparent 60%),
    radial-gradient(700px 420px at 92% 20%, rgba(40,214,168,.14), transparent 60%),
    radial-gradient(820px 520px at 40% 120%, rgba(42,107,255,.10), transparent 60%),
    var(--bg);
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
strong{font-weight:650}

.container{max-width:var(--container);margin:0 auto;padding:0 18px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
.section__head h2{margin:0;font-size:clamp(22px,2.4vw,34px);letter-spacing:-.02em}
.section__head p{margin:0;max-width:64ch}

.muted{color:var(--muted)}
.help{color:var(--muted);font-size:13px}
.link{text-decoration:underline;text-decoration-color:rgba(13,22,40,.28);text-underline-offset:3px}
.link:hover{text-decoration-color:rgba(13,22,40,.55)}

.skip-link{
  position:absolute;left:-9999px;top:10px;
  background:rgba(246,248,252,.98);
  border:1px solid var(--line);
  padding:10px 12px;border-radius:12px;
}
.skip-link:focus{left:12px;z-index:10000}

.header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(12px);
  background:rgba(246,248,252,.72);
  border-bottom:1px solid var(--line);
}
.header.is-scrolled{background:rgba(246,248,252,.86)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}

.brand{display:flex;align-items:center;gap:12px;min-width:190px}
.brand__mark{
  display:grid;place-items:center;
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg, rgba(42,107,255,.95), rgba(40,214,168,.85));
  color:#07101a;font-weight:850;letter-spacing:-.03em;
  box-shadow:0 10px 26px rgba(42,107,255,.20);
}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__name{font-weight:780;letter-spacing:-.02em}
.brand__tag{font-size:12px;color:var(--muted)}

.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--muted);font-size:14px;padding:10px 10px;border-radius:12px}
.nav a:hover{color:var(--text);background:rgba(13,22,40,.05)}

.header__actions{display:flex;align-items:center;gap:10px}

.chip{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);
  padding:9px 12px;border-radius:999px;
  background:rgba(251,252,255,.78);
  color:var(--muted);
  font-size:13px;
  transition:transform .12s ease, background .12s ease, border-color .12s ease, color .12s ease;
}
.chip:hover{transform:translateY(-1px);border-color:rgba(13,22,40,.20);color:var(--text)}
.chip--tg{border-color:rgba(40,214,168,.35);background:rgba(40,214,168,.10)}
.chip--tg:hover{border-color:rgba(40,214,168,.60)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 14px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(251,252,255,.78);
  color:var(--text);
  font-weight:650;
  font-size:14px;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform:translateY(-1px);border-color:rgba(13,22,40,.20)}
.btn:active{transform:translateY(0)}
.btn--primary{
  border-color:rgba(42,107,255,.55);
  background:linear-gradient(135deg, rgba(42,107,255,.95), rgba(42,107,255,.70));
  box-shadow:0 12px 26px rgba(42,107,255,.22);
  color:rgba(250,252,255,.98);
}
.btn--primary:hover{border-color:rgba(42,107,255,.75)}
.btn--ghost{
  background:rgba(251,252,255,.55);
  border-color:var(--line);
}
.btn--full{width:100%}

.burger{
  display:none;
  width:44px;height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(251,252,255,.78);
  padding:10px;
}
.burger span{display:block;height:2px;background:rgba(13,22,40,.85);border-radius:2px}
.burger span+span{margin-top:6px}

.mobile-panel{
  margin:0 0 12px;
  border:1px solid var(--line);
  background:rgba(246,248,252,.92);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.mobile-panel__grid{display:grid;gap:8px;padding:14px}
.mobile-panel__grid a{padding:12px 12px;border-radius:14px}
.mobile-panel__grid a:hover{background:rgba(13,22,40,.05)}
.mobile-panel__contacts{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}

.hero{
  padding-top:34px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("../img/background.jpg");
  background-repeat:no-repeat;
  background-size:cover;
  background-position:center center;
  /* less haze (~40%), slightly more "distant" */
  opacity:.91;
  transform:scale(1);
  filter:saturate(1.05) contrast(.95);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(225,232,245,.58), rgba(218,228,248,.42));
  pointer-events:none;
}
.hero__grid{position:relative;z-index:1}
.hero__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
.hero .eyebrow{color:rgba(8,18,48,.82)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);
  padding:8px 10px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(251,252,255,.70);
}
.hero h1{margin:12px 0 10px;font-size:clamp(28px,3.6vw,48px);line-height:1.12;letter-spacing:-.03em;color:rgba(6,14,42,.98)}
.lead{margin:0 0 14px;font-size:clamp(15px,1.25vw,18px);font-weight:650;color:rgba(4,12,38,.98);max-width:70ch}
.hero__cta{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 14px}
.hero__points{display:grid;gap:10px;max-width:560px}
.hero__points .check{color:rgba(4,12,38,.98);font-weight:650}
.check{display:flex;gap:10px;align-items:flex-start}
.check__dot{
  width:10px;height:10px;border-radius:999px;margin-top:6px;
  background:rgba(40,214,168,.95);
  box-shadow:0 0 0 6px rgba(40,214,168,.12);
}

.hero__panel{
  border:1px solid var(--line);
  background:rgba(246,248,252,.92);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 10px;border-radius:999px;
  font-size:12px;font-weight:650;
  border:1px solid var(--line);
  background:rgba(251,252,255,.70);
}
.badge--accent{border-color:rgba(40,214,168,.35);background:rgba(40,214,168,.12);color:rgba(13,22,40,.90)}
.hero__panel-actions{display:flex;gap:10px;flex-wrap:wrap}

.cards{display:grid;gap:14px}
.cards--features{grid-template-columns:repeat(4, minmax(0,1fr))}
.cards--pricing{grid-template-columns:repeat(4, minmax(0,1fr))}

.card{
  border:1px solid var(--line);
  background:rgba(251,252,255,.84);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.card__title{font-weight:740;letter-spacing:-.01em}
.card__text{margin-top:8px;color:var(--muted);font-size:14px}
.card__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

.card--price{position:relative;overflow:hidden}
.card--price::before{
  content:"";
  position:absolute;inset:-120px -120px auto auto;
  width:220px;height:220px;border-radius:999px;
  background:radial-gradient(circle at 30% 30%, rgba(40,214,168,.24), transparent 62%);
  pointer-events:none;
}
.price{margin:10px 0 8px}
.price__main{font-size:18px}
.price__sub{margin-top:2px;color:rgba(13,22,40,.62);font-size:13px}

.note{
  margin-top:14px;
  border:1px solid rgba(42,107,255,.35);
  background:rgba(42,107,255,.10);
  border-radius:var(--radius);
  padding:14px 16px;
}
.note__title{font-weight:740}
.note__text{margin-top:6px;color:rgba(13,22,40,.74)}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.step{
  border:1px solid var(--line);
  background:rgba(251,252,255,.80);
  border-radius:var(--radius);
  padding:14px;
  display:flex;gap:12px;
}
.step__num{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(13,22,40,.04);
  border:1px solid var(--line);
  font-weight:780;color:rgba(13,22,40,.86);
}
.step__title{font-weight:740}
.step__text{margin-top:4px;color:var(--muted);font-size:14px}

.cta-band{
  border:1px solid var(--line);
  background:
    radial-gradient(700px 380px at 0% 50%, rgba(40,214,168,.10), transparent 60%),
    radial-gradient(700px 420px at 100% 30%, rgba(42,107,255,.12), transparent 62%),
    rgba(251,252,255,.80);
  border-radius:calc(var(--radius) + 4px);
  box-shadow:var(--shadow);
}
.cta-band__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;padding:18px}
.cta-band__actions{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start;justify-content:flex-end}

.faq{display:grid;gap:10px}
.faq__item{
  border:1px solid var(--line);
  background:rgba(251,252,255,.80);
  border-radius:var(--radius);
  padding:12px 14px;
}
.faq__item summary{
  cursor:pointer;
  font-weight:740;
  list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__body{margin-top:8px;color:var(--muted)}
.faq__item[open]{border-color:rgba(40,214,168,.28);background:rgba(40,214,168,.06)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.contact-card,.form-card{
  border:1px solid var(--line);
  background:rgba(251,252,255,.84);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.contact-card h3,.form-card h3{margin:0 0 10px}
.contact-list{display:grid;gap:10px}
.contact-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid var(--line);
  background:rgba(13,22,40,.03);
  padding:12px 12px;border-radius:14px;
}
.contact-link:hover{border-color:rgba(13,22,40,.18);background:rgba(13,22,40,.05)}
.contact-link__k{color:var(--muted);font-size:13px}
.contact-link__v{font-weight:700}
.contact-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

form{display:grid;gap:12px}
.field label{display:block;color:rgba(13,22,40,.86);font-size:13px;margin-bottom:6px}
input,select,textarea{
  width:100%;
  border:1px solid var(--line);
  background:rgba(251,252,255,.92);
  color:var(--text);
  padding:12px 12px;
  border-radius:14px;
  outline:none;
}
textarea{resize:vertical;min-height:96px}
input::placeholder,textarea::placeholder{color:rgba(13,22,40,.42)}
input:focus,select:focus,textarea:focus{border-color:rgba(42,107,255,.55);box-shadow:0 0 0 4px rgba(42,107,255,.16)}
select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, rgba(13,22,40,.70) 50%),linear-gradient(135deg, rgba(13,22,40,.70) 50%, transparent 50%);background-position:calc(100% - 18px) calc(1em + 2px),calc(100% - 13px) calc(1em + 2px);background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field__error{min-height:16px;margin-top:6px;color:rgba(255,116,116,.95);font-size:12px}
.hp{position:absolute;left:-9999px;top:-9999px;opacity:0}

.form-status{margin-top:4px}
.success,.error{
  border-radius:14px;
  padding:10px 12px;
  font-size:13px;
  border:1px solid var(--line);
  background:rgba(251,252,255,.80);
}
.success{border-color:rgba(40,214,168,.30);background:rgba(40,214,168,.10)}
.error{border-color:rgba(255,116,116,.30);background:rgba(255,116,116,.10)}

.footer{padding:42px 0 28px;border-top:1px solid var(--line);background:rgba(246,248,252,.75)}
.footer__grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px;align-items:start}
.footer__brand{font-weight:800;letter-spacing:-.02em;margin-bottom:4px}
.footer__links{display:grid;gap:8px}
.footer__links a{color:var(--muted);padding:8px 10px;border-radius:12px}
.footer__links a:hover{background:rgba(13,22,40,.05);color:var(--text)}
.footer__bottom{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .55s ease, transform .55s ease}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}

@media (max-width: 1024px){
  .cards--features,.cards--pricing{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero__grid{grid-template-columns:1fr}
  .cta-band__inner{grid-template-columns:1fr}
  .cta-band__actions{justify-content:flex-start}
  .steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
}
@media (max-width: 840px){
  .nav{display:none}
  .burger{display:inline-flex}
  .header__cta{display:none}
  .chip{display:none}
}
@media (max-width: 520px){
  .section{padding:54px 0}
  .section__head{flex-direction:column;align-items:flex-start}
  .cards--features,.cards--pricing{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .brand{min-width:auto}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
  [data-reveal]{opacity:1;transform:none}
}