:root{
  --blue:#3D6FF5;
  --blue-light:#6E9BFF;
  --bg:#070b14;
  --bg-soft:#0c1220;
  --card:rgba(255,255,255,0.04);
  --border:rgba(255,255,255,0.08);
  --text:#e9edf5;
  --text-dim:#8d97ad;
  --mono:'JetBrains Mono', monospace;
  --sans:'Inter', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
}
.container{
  width:100%;
  max-width:1140px;
  margin:0 auto;
  padding:0 24px;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}

/* ---------- Background layer ---------- */
.bg-layer{
  position:fixed;
  inset:0;
  z-index:-1;
  overflow:hidden;
  background:radial-gradient(ellipse at 50% -10%, #0e1a33 0%, var(--bg) 60%);
}
.bg-grid{
  position:absolute;
  inset:-2px;
  background-image:
    linear-gradient(rgba(61,111,245,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,111,245,0.07) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%, black 0%, transparent 75%);
}
.bg-glow{
  position:absolute;
  top:10%;
  left:50%;
  width:900px;
  height:900px;
  transform:translateX(-50%);
  background:radial-gradient(circle, rgba(61,111,245,0.18) 0%, transparent 65%);
  filter:blur(20px);
}
.firewall-icon{
  position:absolute;
  top:42%;
  left:50%;
  transform:translate(-50%,-50%);
  opacity:0.9;
  will-change:transform;
}
.code-field{
  position:absolute;
  inset:0;
}
.code-fragment{
  position:absolute;
  font-family:var(--mono);
  font-size:12px;
  color:var(--blue-light);
  opacity:0;
  white-space:nowrap;
  animation:fragFloat linear infinite;
}
@keyframes fragFloat{
  0%{opacity:0; transform:translateY(20px);}
  10%{opacity:0.35;}
  90%{opacity:0.35;}
  100%{opacity:0; transform:translateY(-30px);}
}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(7,11,20,0.6);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:16px;
}
.brand-logo{height:36px;}
.nav-links{
  display:flex;
  gap:32px;
  font-weight:500;
  font-size:15px;
}
.nav-links a{
  color:var(--text-dim);
  transition:color .2s;
}
.nav-links a:hover{color:var(--text);}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav-toggle span{
  width:22px;height:2px;background:var(--text);border-radius:2px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 26px;
  border-radius:10px;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary{
  background:linear-gradient(135deg, var(--blue), #2451c9);
  color:#fff;
  box-shadow:0 8px 24px rgba(61,111,245,0.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(61,111,245,0.45);}
.btn-ghost{
  border-color:var(--border);
  color:var(--text);
  background:rgba(255,255,255,0.02);
}
.btn-ghost:hover{border-color:var(--blue-light);color:var(--blue-light);}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding-top:72px;
  position:relative;
}
.hero-inner{max-width:780px;}
.eyebrow{
  font-family:var(--mono);
  letter-spacing:2px;
  font-size:13px;
  color:var(--blue-light);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2.4rem, 6vw, 4.2rem);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-1px;
}
.text-gradient{
  background:linear-gradient(135deg, var(--blue-light), var(--blue));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin:22px auto 0;
  max-width:520px;
  color:var(--text-dim);
  font-size:17px;
}
.hero-actions{
  margin-top:36px;
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.scroll-cue{
  position:absolute;
  bottom:36px;
  left:50%;
  transform:translateX(-50%);
  width:24px;
  height:38px;
  border:2px solid var(--border);
  border-radius:14px;
}
.scroll-cue span{
  position:absolute;
  top:6px;left:50%;
  width:4px;height:8px;
  margin-left:-2px;
  background:var(--blue-light);
  border-radius:2px;
  animation:cueDrop 1.6s infinite;
}
@keyframes cueDrop{
  0%{opacity:1; top:6px;}
  70%{opacity:0; top:20px;}
  100%{opacity:0; top:6px;}
}

/* ---------- Section shared ---------- */
section{padding:120px 0;position:relative;}
.section-tag{
  font-family:var(--mono);
  color:var(--blue-light);
  font-size:13px;
  letter-spacing:1.5px;
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(1.8rem, 4vw, 2.6rem);
  font-weight:700;
  letter-spacing:-0.5px;
  margin-bottom:48px;
}

/* ---------- Services ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:32px 26px;
  backdrop-filter:blur(8px);
  transition:transform .25s, border-color .25s, background .25s;
}
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(61,111,245,0.4);
  background:rgba(61,111,245,0.06);
}
.card-icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(61,111,245,0.12);
  color:var(--blue-light);
  font-size:20px;
  margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{color:var(--text-dim);font-size:14.5px;line-height:1.5;}

/* ---------- Why ---------- */
.why-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:60px;
  flex-wrap:wrap;
}
.why-text{max-width:380px;}
.why-text p:last-child{color:var(--text-dim);margin-top:14px;}
.stats{
  display:flex;
  gap:40px;
  flex-wrap:wrap;
}
.stat{
  display:flex;
  flex-direction:column;
  gap:6px;
  min-width:120px;
}
.stat-num{
  font-size:2.2rem;
  font-weight:800;
  color:var(--blue-light);
  font-family:var(--mono);
}
.stat-label{color:var(--text-dim);font-size:14px;}

/* ---------- Contact ---------- */
.contact-inner{text-align:center;max-width:600px;}
.contact-sub{color:var(--text-dim);margin-bottom:36px;}
.contact-form{
  display:flex;
  flex-direction:column;
  gap:16px;
  text-align:left;
}
.form-row{display:flex;gap:16px;}
.form-row input{flex:1;}
input, textarea{
  width:100%;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:10px;
  padding:14px 16px;
  color:var(--text);
  font-family:var(--sans);
  font-size:14.5px;
  resize:none;
}
input::placeholder, textarea::placeholder{color:var(--text-dim);}
input:focus, textarea:focus{outline:none;border-color:var(--blue);}
.contact-form .btn{align-self:flex-start;margin-top:4px;}

/* ---------- Footer ---------- */
.footer{
  border-top:1px solid var(--border);
  padding:32px 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-logo{height:26px;opacity:0.8;}
.footer p{color:var(--text-dim);font-size:13px;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .cards{grid-template-columns:repeat(2, 1fr);}
  .why-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .nav-links, .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-links.open{
    display:flex;
    position:absolute;
    top:72px;left:0;right:0;
    background:rgba(7,11,20,0.96);
    flex-direction:column;
    padding:20px 24px;
    gap:18px;
    border-bottom:1px solid var(--border);
  }
  .cards{grid-template-columns:1fr;}
  .form-row{flex-direction:column;}
  .firewall-icon{width:340px;height:340px;}
}