:root{
  --green:#10b981;
  --blue:#2563eb;
  --red:#dc2626;
  --black:#07111f;
  --soft:#f8fbff;
  --white:#ffffff;
  --muted:#647086;
  --border:#e5edf7;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter, Arial, sans-serif;
  background:var(--soft);
  color:var(--black);
}
a{text-decoration:none}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 6%;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--black);
}
.logo-mark{
  width:44px;
  height:44px;
  border-radius:15px;
  background:linear-gradient(135deg,var(--green),var(--blue),var(--red),var(--black));
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:900;
}
.brand small{
  display:block;
  color:var(--muted);
  font-size:12px;
  margin-top:2px;
}
.nav{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav a,.lang-btn{
  color:var(--black);
  font-weight:800;
  border:0;
  background:transparent;
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
}
.lang-switch{
  display:flex;
  gap:6px;
  background:#eef4ff;
  padding:5px;
  border-radius:14px;
}
.lang-btn.active{
  background:var(--blue);
  color:#fff;
}
.menu-btn{
  display:none;
  background:var(--black);
  color:#fff;
  border:0;
  border-radius:12px;
  padding:10px 13px;
}
.hero{
  padding:74px 6%;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
  color:#fff;
  background:linear-gradient(135deg,var(--black),var(--blue),var(--green));
}
.badge{
  display:inline-flex;
  padding:8px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  font-weight:900;
}
.hero h1,.page-hero h1{
  font-size:48px;
  line-height:1.05;
  margin:16px 0;
}
.hero p,.page-hero p{
  font-size:18px;
  line-height:1.7;
  color:#eaf2ff;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
}
.btn{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  padding:13px 18px;
  border-radius:14px;
  font-weight:900;
  border:0;
  cursor:pointer;
}
.primary{
  background:#fff;
  color:var(--black);
}
.secondary{
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
}
.hero-panel{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:28px;
  padding:28px;
}
.section,.about-section,.form-section{
  padding:60px 6%;
}
.section-head{
  max-width:760px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:34px;
  margin:0 0 10px;
}
.section-head p{
  color:var(--muted);
  line-height:1.7;
}
.module-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.module-card,.about-block,.register-form{
  background:#fff;
  border:1px solid var(--border);
  border-radius:24px;
  padding:24px;
  box-shadow:0 12px 32px rgba(7,17,31,.06);
}
.module-card h3,.about-block h2{
  margin-top:0;
}
.module-card p,.about-block p,.about-block li{
  color:var(--muted);
  line-height:1.65;
}
.icon{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:900;
  margin-bottom:14px;
}
.green{background:var(--green)}
.blue{background:var(--blue)}
.red{background:var(--red)}
.black{background:var(--black)}
.page-hero{
  padding:68px 6%;
  background:linear-gradient(135deg,var(--black),var(--blue));
  color:#fff;
}
.about-section{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.benefit-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
.benefit-list span{
  background:#f1f7ff;
  border-radius:14px;
  padding:12px;
  color:var(--black);
  font-weight:700;
}
.about-cta{
  grid-column:1/-1;
  background:linear-gradient(135deg,var(--black),var(--blue),var(--green));
  color:#fff;
  border-radius:26px;
  padding:34px;
}
.about-cta p{color:#eaf2ff;line-height:1.7}
.form-section{
  background:#fff;
}
.register-form{
  max-width:900px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.register-form label{
  font-weight:900;
  display:block;
  margin-bottom:8px;
}
.register-form input,.register-form select,.register-form textarea{
  width:100%;
  border:1px solid #dbe4ef;
  border-radius:14px;
  padding:14px;
}
.register-form textarea{
  min-height:110px;
}
.full{grid-column:1/-1}
.footer{
  background:var(--black);
  color:#fff;
  padding:48px 6% 20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:28px;
  align-items:start;
}
.footer-brand .logo-mark{
  margin-bottom:14px;
}
.footer h4,.footer h3{
  margin-top:0;
}
.footer p{
  color:#cbd5e1;
  line-height:1.6;
}
.footer-col{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col a{
  color:#cbd5e1;
}
.footer-col a:hover{
  color:#fff;
}
.footer-bottom{
  margin-top:30px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;
  color:#cbd5e1;
}
@media(max-width:980px){
  .hero,.about-section,.footer-grid,.register-form{
    grid-template-columns:1fr;
  }
  .module-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .nav{
    display:none;
    position:absolute;
    top:76px;
    right:6%;
    background:#fff;
    border:1px solid var(--border);
    border-radius:18px;
    padding:14px;
    flex-direction:column;
    align-items:flex-start;
    box-shadow:0 18px 38px rgba(7,17,31,.12);
  }
  .nav.show{display:flex}
  .menu-btn{display:block}
}
@media(max-width:560px){
  .module-grid,.benefit-list{
    grid-template-columns:1fr;
  }
  .hero h1,.page-hero h1{
    font-size:34px;
  }
}
