:root {
  --primary: #0A1A5F;
  --secondary: #2F2FE0;
  --accent: #E1006A;
  --bg: #F3F4F6;
  --text: #111827;
  --muted: #6B7280;
  --radius-lg: 18px;
}

* { box-sizing:border-box; margin:0; padding:0;}

body{
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:#ffffff;
  color:var(--text);
  line-height:1.6;
}

a{ color:inherit; text-decoration:none;}

img{max-width:100%; display:block;}

.container{
  max-width:1120px;
  margin:0 auto;
  padding:0 1.25rem;
}

/* Header */
.header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(10px);
  border-bottom:1px solid #E5E7EB;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  padding:0.7rem 0.4rem;
}

.logo img{
  height:50px;
  width:auto;
  object-fit:contain;
}

.nav{
  display:flex;
  align-items:center;
  gap:1.5rem;
  font-size:0.95rem;
  font-weight:500;
}

.nav a{
  position:relative;
  color:#111827;
}

.nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--secondary),var(--accent));
  transition:width .18s ease;
}

.nav a:hover::after,
.nav a.active::after{
  width:100%;
}

.btn-primary{
  padding:0.55rem 1.3rem;
  border-radius:999px;
  background:linear-gradient(120deg,#EC008C,#5F0A87);
  color:#fff;
  font-size:0.9rem;
  font-weight:600;
  border:none;
  cursor:pointer;
  box-shadow:0 10px 25px rgba(15,23,42,0.25);
}

.btn-primary:hover{
  transform:translateY(-1px);
}

/* Layout */
.site-main{
  padding:2.2rem 0 3rem;
}

.hero{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:2.2rem;
  align-items:center;
}

.hero h1{
  font-size:2.4rem;
  line-height:1.15;
  margin-bottom:0.75rem;
  color:#020617;
}

.hero p{
  font-size:0.98rem;
  color:var(--muted);
  max-width:32rem;
  margin-bottom:1.1rem;
}

.hero-buttons{
  display:flex;
  gap:0.8rem;
  margin-bottom:1.3rem;
}

.btn-secondary{
  padding:0.55rem 1.2rem;
  border-radius:999px;
  border:1px solid #D1D5DB;
  background:#fff;
  font-size:0.9rem;
  font-weight:500;
  color:#111827;
}

.hero-image{
  justify-self:center;
}

.features{
  margin-top:3rem;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1.2rem;
}

.feature-box{
  padding:1rem;
  border-radius:var(--radius-lg);
  border:1px solid #E5E7EB;
  background:#fff;
  box-shadow:0 10px 20px rgba(15,23,42,0.03);
}

.feature-box h3{
  font-size:1rem;
  margin-bottom:0.35rem;
}

.feature-box p{
  font-size:0.9rem;
  color:var(--muted);
}

.about-snippet{
  margin-top:3rem;
  padding:1.5rem 1.3rem;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#EEF2FF,#FDF2FF);
}

.about-snippet h2{
  font-size:1.5rem;
  margin-bottom:0.4rem;
}

/* Footer */
.site-footer{
  border-top:1px solid #E5E7EB;
  background:#020617;
  color:#9CA3AF;
  padding:1.4rem 0 1.6rem;
  margin-top:2rem;
}

.site-footer .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1rem;
}

.footer-copy{ font-size:0.8rem;}

/* Responsive */
@media (max-width:900px){
  .hero{
    grid-template-columns:minmax(0,1fr);
  }
  .hero-image{
    order:-1;
  }
  .features{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width:640px){
  .header-inner{
    flex-wrap:wrap;
    justify-content:space-between;
  }
  .nav{
    font-size:0.85rem;
    gap:0.9rem;
  }
  .features{
    grid-template-columns:minmax(0,1fr);
  }
}