/* Minimal, clean, responsive styles */
*{box-sizing:border-box}
html,body{margin:0;padding:0}

:root{
  --bg:#0b1220;
  --bg-alt:#0e1529;
  --card:#121b31;
  --text:#e8ecf3;
  --muted:#9aa7bf;
  --accent:#5aa9ff;
  --accent-2:#67e8f9;
  --border:rgba(255,255,255,0.08);
  --radius:16px
}

body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6
}

a{
  color:var(--accent);
  text-decoration:none
}
a:hover{
  text-decoration:underline
}

.container{
  max-width:1100px;
  margin:0 auto;
  padding:0 20px
}

/* Header and nav */

.site-header{
  position:sticky;
  top:0;
  background:rgba(11,18,32,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  z-index:50
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:64px;
  gap:16px
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  white-space:nowrap
}

.brand-mark{
  display:block
}

/* Desktop nav */

.nav{
  display:flex;
  gap:18px;
  align-items:center;
  flex-wrap:wrap
}

.nav-link{
  padding:10px 12px;
  border-radius:12px;
  color:var(--text);
  font-size:14px
}

.nav-cta{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#081326;
  font-weight:700;
  border:none
}

/* Mobile menu button */

.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  padding:8px;
  border-radius:12px;
  border:1px solid var(--border);
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px
}

.nav-toggle span{
  display:block;
  width:100%;
  height:2px;
  background:var(--text);
  border-radius:4px;
  transition:transform 0.2s ease,opacity 0.2s ease
}

.nav-toggle.open span:nth-child(1){
  transform:translateY(4px) rotate(45deg)
}
.nav-toggle.open span:nth-child(2){
  opacity:0
}
.nav-toggle.open span:nth-child(3){
  transform:translateY(-4px) rotate(-45deg)
}

/* Hero */

.hero{
  padding:64px 0;
  background:
    radial-gradient(70% 70% at 0% 0%, rgba(90,169,255,0.15), transparent 60%),
    radial-gradient(60% 60% at 100% 0%, rgba(103,232,249,0.12), transparent 70%)
}

.hero-inner{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:32px;
  align-items:center
}

.hero-copy h1{
  font-size:40px;
  line-height:1.1;
  margin:0 0 12px
}

.lead{
  font-size:18px;
  color:var(--muted);
  margin:0 0 20px
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap
}

.btn{
  display:inline-block;
  padding:12px 18px;
  border:1px solid var(--border);
  border-radius:14px;
  font-size:14px
}

.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#081326;
  font-weight:700;
  border:none
}

.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,0.04)
}

.hero-art img{
  width:100%;
  height:auto;
  border-radius:16px;
  border:1px solid var(--border);
  object-fit:cover
}

/* Sections */

.section{
  padding:56px 0
}
.section.alt{
  background:var(--bg-alt)
}

.grid.two{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px
}

.grid.three{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px
}

.notice{
  margin-top:12px;
  background:rgba(103,232,249,0.08);
  border:1px solid var(--border);
  padding:12px;
  border-radius:12px
}

.links{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:8px;
  font-size:14px
}

.cta{
  padding:56px 0;
  background:linear-gradient(180deg, rgba(103,232,249,0.08), transparent)
}

.cta-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:8px
}

/* Footer */

.site-footer{
  border-top:1px solid var(--border);
  padding:28px 0;
  background:var(--bg-alt)
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:20px
}

.brand-footer{
  display:flex;
  align-items:center;
  gap:8px
}

.muted{
  color:var(--muted);
  font-size:13px
}

.contacts{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:10px;
  font-size:14px
}
.contacts a{
  word-break:break-all
}

/* Responsive */

@media (max-width:900px){

  .header-inner{
    gap:8px
  }

  .nav-toggle{
    display:flex
  }

  .nav{
    position:fixed;
    inset:64px 16px auto 16px;
    padding:14px;
    background:rgba(11,18,32,0.98);
    border-radius:16px;
    border:1px solid var(--border);
    display:flex;
    flex-direction:column;
    gap:6px;
    opacity:0;
    pointer-events:none;
    transform:translateY(-8px);
    transition:opacity 0.2s ease, transform 0.2s ease;
    z-index:40;
  }

  .nav.open{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }

  .nav-link{
    width:100%;
    padding:10px 10px;
    border-radius:10px;
    background:transparent;
    font-size:15px
  }

  .nav-link:hover{
    background:rgba(255,255,255,0.04);
    text-decoration:none
  }

  .nav-cta{
    text-align:center;
    margin-top:4px
  }

  .hero-inner{
    grid-template-columns:1fr;
    gap:24px
  }

  .hero{
    padding:40px 0
  }

  .hero-copy h1{
    font-size:30px
  }

  .lead{
    font-size:16px
  }

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

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

  .footer-grid{
    grid-template-columns:1fr;
    gap:16px
  }
}

@media (max-width:560px){

  .section{
    padding:40px 0
  }

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

  .btn,
  .nav-link{
    font-size:14px
  }

  .brand-text{
    font-size:14px
  }
}