:root{
  --bg:#050607;
  --bg-alt:#0a0c0e;
  --fg:#f2f3f3;
  --fg-dim:#9aa0a6;
  --accent:#4fd1ff;
  --line:#1c1f22;
  --card:#0d0f11;
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"Inter","Helvetica Neue",Arial,sans-serif;
  line-height:1.5;
  overflow-x:hidden;
}

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

.grid-overlay{
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}

.navbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(5,6,7,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:18px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  font-weight:700;
  letter-spacing:0.14em;
  font-size:15px;
}
.logo.small{font-size:13px;color:var(--fg-dim);}
.nav-links{
  display:flex;
  gap:36px;
  list-style:none;
  align-items:center;
  font-size:14px;
  color:var(--fg-dim);
}
.nav-links a{transition:color .2s;}
.nav-links a:hover{color:var(--fg);}
.nav-cta{
  border:1px solid var(--line);
  padding:8px 16px;
  border-radius:4px;
  color:var(--fg) !important;
}
.nav-cta:hover{border-color:var(--accent);}

.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:140px 24px 80px;
  z-index:1;
}
.hero-glow{
  position:absolute;
  top:-200px;
  left:50%;
  transform:translateX(-50%);
  width:900px;
  height:600px;
  background:radial-gradient(circle, rgba(79,209,255,0.14), transparent 70%);
  pointer-events:none;
}
.hero-content{max-width:820px; position:relative; z-index:2;}
.hero-eyebrow{
  font-size:13px;
  letter-spacing:0.22em;
  color:var(--accent);
  margin-bottom:22px;
  font-weight:600;
}
.hero h1{
  font-size:clamp(48px,8vw,88px);
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.05;
  margin-bottom:26px;
}
.hero-sub{
  font-size:18px;
  color:var(--fg-dim);
  max-width:640px;
  margin:0 auto 40px;
}
.hero-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn-primary{
  background:var(--fg);
  color:#050607;
  padding:14px 28px;
  border-radius:4px;
  font-weight:600;
  font-size:15px;
  transition:transform .15s, opacity .15s;
}
.btn-primary:hover{opacity:0.85;transform:translateY(-1px);}
.btn-secondary{
  border:1px solid var(--line);
  padding:14px 28px;
  border-radius:4px;
  font-size:15px;
  color:var(--fg-dim);
  transition:border-color .2s, color .2s;
}
.btn-secondary:hover{border-color:var(--accent);color:var(--fg);}

.stats-strip{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:60px;
  padding:36px 24px;
  background:var(--bg-alt);
}
.stat{text-align:center;}
.stat-num{
  display:block;
  font-size:22px;
  font-weight:700;
  color:var(--accent);
}
.stat-label{
  display:block;
  font-size:13px;
  color:var(--fg-dim);
  margin-top:6px;
}

.section{
  position:relative;
  z-index:1;
  padding:120px 24px;
}
.section-inner{
  max-width:1100px;
  margin:0 auto;
}
.section-dark{background:var(--bg-alt);}
.section-eyebrow{
  font-size:13px;
  letter-spacing:0.18em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:18px;
}
.section h2{
  font-size:clamp(32px,4.5vw,48px);
  font-weight:700;
  letter-spacing:-0.01em;
  max-width:760px;
  margin-bottom:56px;
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.feature-card{
  background:var(--card);
  padding:40px;
}
.feature-index{
  font-size:13px;
  color:var(--fg-dim);
  margin-bottom:20px;
  font-weight:600;
}
.feature-card h3{
  font-size:20px;
  margin-bottom:12px;
  font-weight:600;
}
.feature-card p{
  color:var(--fg-dim);
  font-size:15px;
}

.approach-text{
  color:var(--fg-dim);
  font-size:17px;
  max-width:720px;
  margin-bottom:48px;
}
.approach-list{
  display:flex;
  flex-direction:column;
  gap:22px;
}
.approach-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.approach-num{color:var(--accent);font-weight:700;}
.approach-item p{color:var(--fg-dim);font-size:16px;}

.about-inner{max-width:720px;}
.about-text{color:var(--fg-dim);font-size:17px;}

.contact-section{text-align:center;}
.contact-inner{max-width:600px;margin:0 auto;}
.contact-section h2{margin:0 auto 20px;}
.contact-sub{color:var(--fg-dim);margin-bottom:36px;}
.contact-btn{display:inline-block;}

.footer{
  border-top:1px solid var(--line);
  padding:28px 24px;
  position:relative;
  z-index:1;
}
.footer-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.footer-copy{
  color:var(--fg-dim);
  font-size:13px;
}

@media (max-width:720px){
  .nav-links{gap:18px;font-size:13px;}
  .feature-grid{grid-template-columns:1fr;}
  .section{padding:80px 20px;}
}