:root{
  --bg:#0a0f1e;
  --bg-soft:#0f1530;
  --surface:#121a3a;
  --text:#e7ecff;
  --text-dim:#a4adcf;
  --blue:#3b82f6;
  --cyan:#22d3ee;
  --violet:#8b5cf6;
  --grad: linear-gradient(135deg, var(--blue), var(--cyan));
  --radius:16px;
  --max-w:1140px;
  --font-head:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  margin:0 0 .5em;
  line-height:1.2;
  font-weight:600;
}
p{margin:0 0 1em; color:var(--text-dim);}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0;}
.container{max-width:var(--max-w); margin:0 auto; padding:0 24px;}

/* NAVBAR */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(10,15,30,0.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:72px;}
.logo{font-family:var(--font-head); font-weight:700; font-size:1.3rem; color:var(--text);}
.logo span{color:var(--cyan);}
.logo.small{font-size:1.1rem;}
.nav-links{display:flex; gap:32px;}
.nav-links a{color:var(--text-dim); font-weight:500; font-size:.95rem; transition:color .2s;}
.nav-links a:hover{color:var(--text);}
.nav-cta{display:inline-block;}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;}
.nav-toggle span{width:24px; height:2px; background:var(--text); display:block; border-radius:2px;}

.btn{
  display:inline-block;
  padding:12px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .2s ease;
}
.btn-primary{background:var(--grad); color:#06101f;}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 24px rgba(34,211,238,0.25);}
.btn-ghost{border-color:rgba(255,255,255,0.2); color:var(--text);}
.btn-ghost:hover{border-color:var(--cyan); color:var(--cyan);}

/* HERO */
.hero{position:relative; padding:160px 0 100px; overflow:hidden;}
.hero-bg{
  position:absolute; inset:-20% -10% auto -10%; height:140%;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(59,130,246,0.25), transparent 60%),
    radial-gradient(50% 50% at 80% 30%, rgba(34,211,238,0.18), transparent 60%),
    radial-gradient(40% 40% at 50% 80%, rgba(139,92,246,0.15), transparent 60%);
  z-index:0;
}
.hero-inner{position:relative; z-index:1; max-width:760px;}
.eyebrow{
  color:var(--cyan); font-weight:600; font-size:.85rem; letter-spacing:.06em;
  text-transform:uppercase; margin-bottom:16px;
}
.hero h1{font-size:clamp(2.1rem, 4.5vw, 3.4rem); color:var(--text);}
.hero h1 .highlight{background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;}
.hero-sub{font-size:1.05rem; max-width:600px;}
.hero-actions{display:flex; gap:16px; margin:32px 0 56px; flex-wrap:wrap;}
.hero-stats{display:flex; gap:40px; flex-wrap:wrap;}
.hero-stats div{display:flex; flex-direction:column;}
.hero-stats strong{font-family:var(--font-head); font-size:1.1rem; color:var(--text);}
.hero-stats span{font-size:.85rem; color:var(--text-dim);}

/* SECTION SHARED */
section{padding:100px 0;}
.section-tag{
  color:var(--cyan); font-weight:600; font-size:.85rem; letter-spacing:.06em;
  text-transform:uppercase; margin-bottom:12px;
}
.services h2, .why-text h2, .contact-text h2{font-size:clamp(1.6rem, 3vw, 2.2rem); color:var(--text); max-width:640px;}
.services h2 span, .contact-text h2{color:var(--text);}
.services h2 span{background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;}

/* SERVICES CARDS */
.cards{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; margin-top:48px;}
.card{
  background:var(--surface);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius);
  padding:32px;
  transition:transform .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-6px); border-color:rgba(34,211,238,0.3);}
.card-icon{
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
}
.card-icon svg{width:24px; height:24px;}
.icon-blue{background:rgba(59,130,246,0.15); color:var(--blue);}
.icon-cyan{background:rgba(34,211,238,0.15); color:var(--cyan);}
.icon-violet{background:rgba(139,92,246,0.15); color:var(--violet);}
.card h3{font-size:1.15rem; color:var(--text);}
.card-list{list-style:none; margin-top:16px; display:flex; flex-direction:column; gap:8px;}
.card-list li{font-size:.88rem; color:var(--text-dim); padding-left:18px; position:relative;}
.card-list li::before{
  content:''; position:absolute; left:0; top:8px; width:6px; height:6px;
  border-radius:50%; background:var(--cyan);
}

/* WHY */
.why{background:var(--bg-soft);}
.why-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:center;}
.why-text h2{color:var(--text);}
.why-points{display:grid; gap:20px; margin-top:32px;}
.why-point h4{color:var(--text); font-size:1rem; margin-bottom:4px;}
.why-point p{margin:0; font-size:.92rem;}

.why-visual{position:relative; height:360px;}
.orbit-core{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:130px; height:130px; border-radius:50%;
  background:var(--grad); color:#06101f;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-head); font-weight:700; font-size:1rem;
  box-shadow:0 0 60px rgba(34,211,238,0.35);
}
.orbit-card{
  position:absolute; width:72px; height:72px; border-radius:16px;
  background:var(--surface); border:1px solid rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-head); font-weight:600; font-size:.85rem; color:var(--text);
}
.oc-1{top:0; left:10%;}
.oc-2{top:10%; right:0;}
.oc-3{bottom:5%; left:0;}
.oc-4{bottom:0; right:15%;}

/* CONTACT */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
.contact-text h2{color:var(--text);}
.contact-info{display:flex; flex-direction:column; gap:6px; margin-top:24px;}
.contact-info a{color:var(--cyan); font-weight:600;}
.contact-info span{color:var(--text-dim); font-size:.9rem;}

.contact-form{
  display:flex; flex-direction:column; gap:6px;
  background:var(--surface); padding:32px; border-radius:var(--radius);
  border:1px solid rgba(255,255,255,0.06);
}
.contact-form label{font-size:.85rem; color:var(--text-dim); margin-top:10px;}
.contact-form input, .contact-form textarea{
  background:var(--bg); border:1px solid rgba(255,255,255,0.1);
  border-radius:8px; padding:10px 12px; color:var(--text); font-family:var(--font-body);
  font-size:.95rem;
}
.contact-form input:focus, .contact-form textarea:focus{outline:none; border-color:var(--cyan);}
.contact-form button{margin-top:18px;}
.hidden-field{display:none;}
.form-status{font-size:.85rem; margin-top:10px; min-height:1em;}

/* FOOTER */
.footer{border-top:1px solid rgba(255,255,255,0.06); padding:32px 0;}
.footer-inner{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;}
.footer-inner p{margin:0; font-size:.85rem;}

/* RESPONSIVE */
@media (max-width:900px){
  .cards{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .why-visual{height:240px; margin-top:24px;}
}
@media (max-width:720px){
  .nav-links{
    position:absolute; top:72px; left:0; right:0;
    background:var(--bg-soft);
    flex-direction:column; gap:0;
    border-bottom:1px solid rgba(255,255,255,0.06);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{max-height:300px;}
  .nav-links a{padding:16px 24px; border-top:1px solid rgba(255,255,255,0.05); width:100%;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:140px 0 70px;}
  .hero-stats{gap:24px;}
  section{padding:70px 0;}
}