:root{
  --bg:#0b1220;
  --bg2:#0f1a33;
  --card:#101a33cc;
  --text:#eaf0ff;
  --muted:#b7c2e1;
  --line:#213055;
  --accent:#5eead4;
  --accent2:#60a5fa;
  --danger:#fb7185;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
  --radius:16px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1200px 800px at 15% 10%, rgba(96,165,250,.25), transparent 55%),
              radial-gradient(900px 600px at 85% 0%, rgba(94,234,212,.20), transparent 55%),
              linear-gradient(180deg, var(--bg), #070b14 70%);
  color:var(--text);
}

a{ color:inherit; }

.container{
  width:min(1100px, 92vw);
  margin:0 auto;
}

.muted{ color:var(--muted); }
.tiny{ font-size:12px; line-height:1.35; }

.top{
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(11,18,32,.85), rgba(11,18,32,.55));
  border-bottom:1px solid rgba(33,48,85,.6);
}
.top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:18px;
}

.brand{ display:flex; align-items:center; gap:12px; min-width: 280px; }
.brand__mark{
  width:42px; height:42px;
  display:grid; place-items:center;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(94,234,212,.22), rgba(96,165,250,.22));
  border:1px solid rgba(33,48,85,.75);
  font-weight:800;
  letter-spacing:.6px;
}
.brand__name{ font-weight:800; }
.brand__tag{ font-size:12px; color:var(--muted); margin-top:2px; }

.top__contacts{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:4px;
  text-align:right;
}

.link{
  text-decoration:none;
  border-bottom:1px dashed transparent;
}
.link:hover{ border-bottom-color: rgba(94,234,212,.55); }

.hero{
  padding:54px 0 26px;
}
.hero__inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
  align-items:start;
}
h1{
  margin:0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height:1.05;
  letter-spacing:-.02em;
}
.lead{
  margin:0 0 18px;
  color:var(--muted);
  font-size:16px;
  line-height:1.55;
}

.hero__actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 14px 0 14px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 14px;
  border-radius: 14px;
  font-weight:700;
  border:1px solid rgba(33,48,85,.9);
  background: rgba(16,26,51,.45);
  color:var(--text);
  cursor:pointer;
  transition: transform .08s ease, background .18s ease, border-color .18s ease;
}
.btn:hover{ background: rgba(16,26,51,.7); border-color: rgba(94,234,212,.35); }
.btn:active{ transform: translateY(1px); }
.btn--primary{
  background: linear-gradient(135deg, rgba(94,234,212,.25), rgba(96,165,250,.20));
  border-color: rgba(94,234,212,.35);
}
.btn--primary:hover{ border-color: rgba(94,234,212,.7); }
.btn--ghost{
  background: transparent;
}

.chips{
  list-style:none;
  padding:0; margin: 12px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip{
  padding:8px 10px;
  border-radius: 999px;
  border:1px solid rgba(33,48,85,.8);
  background: rgba(16,26,51,.35);
  color: var(--muted);
  font-size:12px;
}

.section{
  padding: 40px 0;
}
.section--alt{
  background: linear-gradient(180deg, rgba(15,26,51,.6), rgba(7,11,20,.0));
  border-top:1px solid rgba(33,48,85,.55);
  border-bottom:1px solid rgba(33,48,85,.55);
}
.section__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom: 18px;
  flex-wrap:wrap;
}
h2{
  margin:0;
  font-size: 26px;
  letter-spacing:-.01em;
}
h3{
  margin:0 0 8px;
  font-size: 16px;
  letter-spacing:-.01em;
}

.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:12px;
}

.card{
  border:1px solid rgba(33,48,85,.75);
  background: rgba(16,26,51,.45);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.card--glass{
  background: linear-gradient(180deg, rgba(16,26,51,.55), rgba(16,26,51,.30));
}
.card--info{
  background: linear-gradient(135deg, rgba(96,165,250,.12), rgba(94,234,212,.08));
  border-color: rgba(96,165,250,.25);
}
.card__title{
  font-weight:800;
  margin-bottom:10px;
}

.list{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  line-height:1.55;
}
.list li{ margin: 6px 0; }

.layout{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 12px;
  align-items:start;
}

.form{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.form__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.field{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.field__label{
  font-size:12px;
  color: var(--muted);
}

input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid rgba(33,48,85,.9);
  background: rgba(7,11,20,.55);
  color: var(--text);
  outline:none;
}
textarea{ resize: vertical; min-height: 110px; }
input::placeholder, textarea::placeholder{ color: rgba(183,194,225,.65); }
input:focus, select:focus, textarea:focus{ border-color: rgba(94,234,212,.55); }

.check{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color: var(--muted);
  font-size: 12px;
  line-height:1.35;
}
.check input{ width: 18px; height: 18px; margin-top:2px; }

.form__actions{
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.form__status{
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
}
.form__status[data-kind="ok"]{ color: rgba(94,234,212,.95); }
.form__status[data-kind="err"]{ color: var(--danger); }

.fallback{
  border-top: 1px solid rgba(33,48,85,.55);
  padding-top: 12px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.fallback__title{
  font-weight:800;
}
.fallback textarea{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.fallback__actions{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}

.side{ display:flex; flex-direction:column; gap:12px; }
.kv{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:8px 10px;
  margin-top: 10px;
}
.kv__k{ color: var(--muted); font-size: 12px; }
.kv__v{ font-weight:700; }

.footer{
  padding: 20px 0 34px;
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top: 1px solid rgba(33,48,85,.55);
  padding-top: 18px;
}
.footer__links{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__inner{ grid-template-columns: 1fr; }
  .layout{ grid-template-columns: 1fr; }
  .top__contacts{ align-items:flex-start; text-align:left; }
}
@media (max-width: 560px){
  .form__row{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }
}