:root{
  --bg:#dde9f8;
  --bg-soft:#e9f1fb;
  --surface:#ffffff;
  --ink:#0d2b54;
  --ink-soft:#34527c;
  --muted:#5b73a0;
  --line:#c5d9f0;
  --blue:#1f6fce;
  --blue-deep:#123a73;
  --blue-bright:#3ba0e0;
  --grad:linear-gradient(90deg,#123a73,#2e7dd1 55%,#3ba0e0);
  --shadow:0 18px 45px rgba(18,58,115,0.16);
  --shadow-sm:0 8px 22px rgba(18,58,115,0.10);
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
}

.container{
  width:90%;
  max-width:1250px;
  margin:auto;
}

.header{
  position:fixed;
  width:100%;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 0;
}

.logo{
  display:flex;
  align-items:center;
}

.logo img{
  height:46px;
  width:auto;
  display:block;
}

.menu{
  display:flex;
  gap:30px;
}

.menu a{
  color:var(--ink);
  text-decoration:none;
  font-weight:500;
  transition:0.3s;
}

.menu a:hover{
  color:var(--blue);
}

.mobile-btn{
  display:none;
  background:none;
  border:none;
  color:var(--ink);
  font-size:2rem;
}

.hero{
  min-height:100vh;
  position:relative;
  display:flex;
  align-items:center;
  background:linear-gradient(135deg,#e3eefb 0%,#c6ddf6 45%,#a9cdf0 100%);
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    url('assets/images/circuit.svg') center/cover no-repeat,
    radial-gradient(900px circle at 82% 18%, rgba(59,160,224,0.30), transparent 60%),
    radial-gradient(760px circle at 6% 95%, rgba(18,58,115,0.22), transparent 60%);
}

.hero-overlay::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(227,238,251,0.92) 0%, rgba(227,238,251,0.55) 42%, rgba(198,221,246,0.15) 100%);
}

.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:60px;
  align-items:center;
}

.badge{
  display:inline-block;
  padding:10px 18px;
  border-radius:50px;
  background:rgba(46,125,209,0.10);
  border:1px solid rgba(46,125,209,0.28);
  color:var(--blue-deep);
  margin-bottom:25px;
  font-size:0.9rem;
  font-weight:600;
}

.hero h1{
  font-size:4rem;
  line-height:1.1;
  margin-bottom:25px;
  color:var(--ink);
}

.hero p{
  font-size:1.1rem;
  color:var(--ink-soft);
  max-width:650px;
  margin-bottom:35px;
}

.hero-buttons{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:35px;
}

.btn-primary,
.btn-secondary{
  padding:16px 28px;
  border-radius:14px;
  text-decoration:none;
  font-weight:700;
  transition:0.3s;
}

.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 28px rgba(46,125,209,0.30);
}

.btn-primary:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 36px rgba(46,125,209,0.38);
}

.btn-secondary{
  border:1px solid var(--line);
  color:var(--blue-deep);
  background:var(--surface);
  box-shadow:var(--shadow-sm);
}

.btn-secondary:hover{
  border-color:var(--blue);
  transform:translateY(-5px);
}

.hero-techs{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.hero-techs span{
  padding:10px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--ink-soft);
  font-weight:500;
  box-shadow:var(--shadow-sm);
}

.glass-card{
  background:var(--surface);
  border:1px solid var(--line);
  padding:35px;
  border-radius:24px;
  box-shadow:var(--shadow);
}

.glass-card h3{
  margin-bottom:25px;
  font-size:1.4rem;
  color:var(--ink);
}

.metric{
  margin-bottom:25px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}

.metric:last-child{
  margin-bottom:0;
  padding-bottom:0;
  border-bottom:none;
}

.metric strong{
  display:block;
  margin-bottom:6px;
  font-size:1rem;
  color:var(--blue-deep);
}

.metric span{
  color:var(--muted);
  font-size:0.95rem;
}

section{
  padding:120px 0;
}

.services{
  background:var(--bg-soft);
}

.section-header{
  text-align:center;
  margin-bottom:60px;
}

.section-tag{
  display:inline-block;
  padding:8px 14px;
  border-radius:50px;
  background:rgba(46,125,209,0.12);
  color:var(--blue-deep);
  font-size:0.85rem;
  font-weight:600;
  margin-bottom:18px;
}

.section-header h2,
.expertise h2,
.contact h2{
  font-size:2.8rem;
  line-height:1.2;
  color:var(--ink);
}

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:28px;
}

.service-card{
  background:var(--surface);
  padding:35px;
  border-radius:24px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:0.3s;
}

.service-card:hover{
  transform:translateY(-8px);
  border-color:var(--blue);
  box-shadow:var(--shadow);
}

.icon{
  font-size:2rem;
  margin-bottom:20px;
  width:60px;
  height:60px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:rgba(46,125,209,0.10);
}

.service-card h3{
  margin-bottom:15px;
  font-size:1.4rem;
  color:var(--ink);
}

.service-card p{
  color:var(--muted);
}

.expertise-wrapper{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
}

.expertise-text{
  margin:25px 0;
  color:var(--ink-soft);
}

.check-list{
  list-style:none;
}

.check-list li{
  margin-bottom:14px;
  position:relative;
  padding-left:30px;
  color:var(--ink-soft);
  font-weight:500;
}

.check-list li::before{
  content:'✔';
  position:absolute;
  left:0;
  color:var(--blue);
  font-weight:700;
}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}

.stat-box{
  padding:40px 20px;
  border-radius:24px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  text-align:center;
}

.stat-box h3{
  font-size:3rem;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:10px;
}

.stat-box p{
  color:var(--muted);
}

.contact{
  background:var(--bg-soft);
}

.contact-card{
  background:var(--surface);
  padding:80px 40px;
  border-radius:30px;
  text-align:center;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.contact-card p{
  margin:25px auto;
  max-width:700px;
  color:var(--ink-soft);
}

.contact-buttons{
  display:flex;
  justify-content:center;
  gap:20px;
  flex-wrap:wrap;
}

.footer{
  padding:40px 0;
  text-align:center;
  border-top:1px solid var(--line);
  color:var(--muted);
  background:var(--bg);
}

.footer-logo{
  height:60px;
  width:auto;
  margin-bottom:14px;
}

@media(max-width:900px){
  .hero-grid,
  .expertise-wrapper{
    grid-template-columns:1fr;
  }
  .hero h1{
    font-size:3rem;
  }
}

@media(max-width:768px){
  .menu{
    position:absolute;
    top:74px;
    right:0;
    width:100%;
    background:var(--surface);
    padding:25px;
    display:none;
    flex-direction:column;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .menu.active{
    display:flex;
  }
  .mobile-btn{
    display:block;
  }
  .logo img{
    height:40px;
  }
  .hero h1{
    font-size:2.3rem;
  }
  .section-header h2,
  .expertise h2,
  .contact h2{
    font-size:2rem;
  }
  .stats-grid{
    grid-template-columns:1fr;
  }
}