:root{
  --bg:#0b0d12;
  --card:#151821;
  --card-2:#171b24;
  --text:#f7f7fb;
  --muted:#a8adbb;
  --line:#292e39;
  --blue:#2f7cff;
  --violet:#6b5cff;
  --magenta:#c020ff;
  --radius:24px;
  --shadow:0 16px 44px rgba(0,0,0,.25);
}

*{
  box-sizing:border-box;
}

html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(47,124,255,.14), transparent 30%),
    radial-gradient(circle at 88% 4%, rgba(192,32,255,.12), transparent 28%),
    var(--bg);
}

a{
  color:inherit;
}

.site-shell{
  min-height:100vh;
}

.wrap{
  width:min(920px, calc(100% - 36px));
  margin:0 auto;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
  min-height:86px;
}

.brand{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
  flex:0 0 auto;
  min-width:0;
}

.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:2px;
  white-space:nowrap;
  line-height:1;
}

.logo-letter{
  color:var(--text);
  font-size:42px;
  font-weight:800;
  letter-spacing:-0.06em;
  line-height:1;
}

.logo-o{
  position:relative;
  width:44px;
  height:44px;
  flex:0 0 44px;
  margin:0 2px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.logo-o-ring{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:
    conic-gradient(
      from 220deg,
      #2f7cff 0deg,
      #4d74ff 85deg,
      #6b5cff 170deg,
      #8b53ff 250deg,
      #c020ff 360deg
    );
  -webkit-mask:radial-gradient(circle, transparent 0 53%, #000 54% 100%);
  mask:radial-gradient(circle, transparent 0 53%, #000 54% 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.08),
    0 0 18px rgba(107,92,255,.16);
}

.logo-check{
  position:relative;
  z-index:1;
  width:22px;
  height:22px;
  display:block;
  filter:drop-shadow(0 0 3px rgba(107,92,255,.16));
}

.nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.nav a{
  text-decoration:none;
  color:var(--muted);
  font-weight:700;
  padding:10px 13px;
  border-radius:999px;
  transition:background-color .2s ease,color .2s ease;
}

.nav a:hover{
  background:#171b24;
  color:var(--text);
}

.hero{
  padding:76px 0 56px;
  text-align:center;
}

.eyebrow{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  background:#fff;
  color:#9aa0ae;
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
}

h1{
  margin:22px auto 14px;
  max-width:760px;
  font-size:clamp(42px, 7vw, 78px);
  line-height:.98;
  letter-spacing:-.045em;
  overflow-wrap:anywhere;
}

.grad{
  background:linear-gradient(90deg, var(--blue), var(--violet), var(--magenta));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lead{
  margin:0 auto;
  max-width:650px;
  color:var(--muted);
  font-size:clamp(17px, 2.2vw, 21px);
  line-height:1.7;
}

.page-lead{
  margin:0;
}

.grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
  padding:10px 0 70px;
}

.card{
  min-width:0;
  background:rgba(21,24,33,.96);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}

.card.full{
  grid-column:1 / -1;
}

.card-icon{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:16px;
  margin-bottom:20px;
  background:linear-gradient(135deg, rgba(47,124,255,.14), rgba(192,32,255,.15));
  font-size:23px;
}

h2{
  margin:0 0 8px;
  font-size:25px;
}

.card p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:22px;
  min-height:46px;
  padding:0 18px;
  border-radius:14px;
  text-decoration:none;
  font-weight:800;
  border:1px solid var(--line);
  background:var(--card-2);
  transition:transform .15s ease, opacity .15s ease;
}

.button:hover{
  transform:translateY(-1px);
  opacity:.98;
}

.button.primary{
  color:#fff;
  border:none;
  background:linear-gradient(90deg, var(--blue), var(--violet), var(--magenta));
}

.page{
  padding:54px 0 80px;
}

.page-head{
  margin-bottom:28px;
}

.page h1{
  font-size:clamp(42px, 6vw, 64px);
  text-align:left;
  margin:0 0 12px;
}

.meta{
  color:var(--muted);
}

.content{
  background:rgba(21,24,33,.96);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(24px, 5vw, 48px);
  box-shadow:var(--shadow);
}

.content h2{
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}

.content h2:first-child{
  margin-top:0;
  padding-top:0;
  border-top:0;
}

.content p,
.content li{
  color:#c7cad3;
  line-height:1.8;
}

.content a{
  color:var(--blue);
  font-weight:700;
}

.email{
  display:inline-flex;
  margin-top:8px;
  font-weight:800;
  color:var(--blue);
  word-break:break-word;
}

.footer{
  color:var(--muted);
  text-align:center;
  padding:28px 0 46px;
  font-size:14px;
}

@media (max-width: 720px){
  .wrap{
    width:min(100% - 32px, 920px);
  }

  .topbar{
    padding:18px 0;
    min-height:72px;
    gap:16px;
  }

  .logo-letter{
    font-size:36px;
  }

  .logo-o{
    width:38px;
    height:38px;
    flex-basis:38px;
  }

  .logo-check{
    width:19px;
    height:19px;
  }

  .nav{
    gap:4px;
  }

  .nav a{
    padding:8px 9px;
    font-size:14px;
  }

  .hero{
    padding:52px 0 44px;
  }

  .grid{
    grid-template-columns:1fr;
  }

  .card.full{
    grid-column:auto;
  }
}

@media (max-width: 520px){
  .topbar{
    align-items:center;
  }

  .logo-letter{
    font-size:32px;
  }

  .logo-o{
    width:34px;
    height:34px;
    flex-basis:34px;
  }

  .logo-check{
    width:17px;
    height:17px;
  }

  .nav a{
    font-size:13px;
    padding:7px 8px;
  }

  h1{
    font-size:clamp(38px, 10vw, 52px);
  }

  .lead{
    font-size:18px;
  }
}

@media (max-width: 390px){
  .wrap{
    width:calc(100% - 26px);
  }

  .topbar{
    gap:10px;
  }

  .logo-letter{
    font-size:28px;
  }

  .logo-o{
    width:30px;
    height:30px;
    flex-basis:30px;
    margin:0 1px;
  }

  .logo-check{
    width:15px;
    height:15px;
  }

  .nav a{
    font-size:12px;
    padding:6px 7px;
  }
}